diff options
Diffstat (limited to '.pc/04_CVE-2012-4405.diff/icc')
| -rw-r--r-- | .pc/04_CVE-2012-4405.diff/icc/icc.c | 17833 |
1 files changed, 0 insertions, 17833 deletions
diff --git a/.pc/04_CVE-2012-4405.diff/icc/icc.c b/.pc/04_CVE-2012-4405.diff/icc/icc.c deleted file mode 100644 index 68668d0..0000000 --- a/.pc/04_CVE-2012-4405.diff/icc/icc.c +++ /dev/null @@ -1,17833 +0,0 @@ - -/* - * International Color Consortium Format Library (icclib) - * For ICC profile version 3.4 - * - * Author: Graeme W. Gill - * Date: 2002/04/22 - * Version: 2.15 - * - * Copyright 1997 - 2012 Graeme W. Gill - * - * This material is licensed with an "MIT" free use license:- - * see the License.txt file in this directory for licensing details. - */ - -/* - * TTBD: - * - * Add a "warning mode" to file reading, in which file format - * errors are ignored where possible, rather than generating - * a fatal error (see ICM_STRICT #define). - * - * NameColor Dump doesn't handle device space correctly - - * should use appropriate interpretation in case device is Lab etc. - * - * Should recognise & honour unicode 0xFFFE endian marker. - * Should generate it on writing too ? - * - * Add support for copying tags from one icc to another. - * - * Should fix all write_number failure errors to indicate failed value. - * (Partially implemented - need to check all write_number functions) - * - * Make write fail error messages be specific on which element failed. - * - * Should add named color space lookup function support. - * - * Would be nice to add generic ability to add new tag type handling, - * so that the base library doesn't need to be modified (ie. VideoCardGamma) ? - * - * Need to add DeviceSettings and OutputResponse tags to bring up to - * ICC.1:1998-09 [started but not complete] - * - */ - -#undef ICM_STRICT /* Not fully implimented - switch off strict checking of file format */ - -/* Make the default grid points of the Lab clut be symetrical about */ -/* a/b 0.0, and also make L = 100.0 fall on a grid point. */ -#define SYMETRICAL_DEFAULT_LAB_RANGE - -#define _ICC_C_ /* Turn on implimentation code */ - -#undef DEBUG_SETLUT /* Show each value being set in setting lut contents */ -#undef DEBUG_SETLUT_CLIP /* Show clipped values when setting LUT */ -#undef DEBUG_LULUT /* Show each value being looked up from lut contents */ -#undef DEBUG_LLULUT /* Debug individual lookup steps (not fully implemented) */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <string.h> -#include <ctype.h> -#include <math.h> -#include <time.h> -#ifdef __sun -#include <unistd.h> -#endif -#if defined(__IBMC__) && defined(_M_IX86) -#include <float.h> -#endif -#include "icc.h" - -#ifdef _MSC_VER -#define vsnprintf _vsnprintf -#define snprintf _snprintf -#endif - -/* ========================================================== */ -/* Default system interface object implementations */ - -#ifndef SEPARATE_STD -#define COMBINED_STD - -#include "iccstd.c" - -#undef COMBINED_STD -#endif /* SEPARATE_STD */ - -/* Forced byte alignment for tag table and tags */ -#define ALIGN_SIZE 4 - -/* =========================================================== */ - -#ifdef DEBUG_SETLUT -#undef DBGSL -#define DBGSL(xxx) printf xxx ; -#else -#undef DBGSL -#define DBGSL(xxx) -#endif - -#if defined(DEBUG_SETLUT) || defined(DEBUG_SETLUT_CLIP) -#undef DBGSLC -#define DBGSLC(xxx) printf xxx ; -#else -#undef DBGSLC -#define DBGSLC(xxx) -#endif - -#ifdef DEBUG_LULUT -#undef DBGLL -#define DBGLL(xxx) printf xxx ; -#else -#undef DBGLL -#define DBGLL(xxx) -#endif - -#ifdef DEBUG_LLULUT -#undef DBLLL -#define DBLLL(xxx) printf xxx ; -#else -#undef DBLLL -#define DBLLL(xxx) -#endif - -/* =========================================================== */ -/* Overflow protected unsigned int arithmatic functions. */ -/* These functions saturate rather than wrapping around. */ -/* (Divide doesn't need protection) */ -/* They return UINT_MAX if there was an overflow */ - -/* a + b */ -static unsigned int sat_add(unsigned int a, unsigned int b) { - if (b > (UINT_MAX - a)) - return UINT_MAX; - return a + b; -} - -/* a - b */ -static unsigned int sat_sub(unsigned int a, unsigned int b) { - if (a < b) - return UINT_MAX; - return a - b; -} - -/* a * b */ -static unsigned int sat_mul(unsigned int a, unsigned int b) { - unsigned int c; - - if (a == 0 || b == 0) - return 0; - - if (a > (UINT_MAX/b)) - return UINT_MAX; - else - return a * b; -} - -/* A + B + C */ -#define sat_addadd(A, B, C) sat_add(A, sat_add(B, C)) - -/* A + B * C */ -#define sat_addmul(A, B, C) sat_add(A, sat_mul(B, C)) - -/* A + B + C * D */ -#define sat_addaddmul(A, B, C, D) sat_add(A, sat_add(B, sat_mul(C, D))) - -/* A * B * C */ -#define sat_mul3(A, B, C) sat_mul(A, sat_mul(B, C)) - -/* a ^ b */ -static unsigned int sat_pow(unsigned int a, unsigned int b) { - unsigned int c = 1; - for (; b > 0; b--) { - c = sat_mul(c, a); - if (c == UINT_MAX) - break; - } - return c; -} - -/* Alignment */ -static unsigned int sat_align(unsigned int align_size, unsigned int a) { - align_size--; - - if (align_size > (UINT_MAX - a)) - return UINT_MAX; - - return (a + align_size) & ~align_size; -} - -/* These test functions detect whether an overflow would occur */ - -/* Return nz if add would overflow */ -static int ovr_add(unsigned int a, unsigned int b) { - - if (b > (UINT_MAX - a)) - return 1; - return 0; -} - -/* Return nz if sub would overflow */ -static int ovr_sub(unsigned int a, unsigned int b) { - if (a < b) - return 1; - return 0; -} - -/* Return nz if mult would overflow */ -static int ovr_mul(unsigned int a, unsigned int b) { - if (a > (UINT_MAX/b)) - return 1; - return 0; -} - - -/* size_t versions of saturating arithmatic */ - -#ifndef SIZE_MAX -# define SIZE_MAX ((size_t)(-1)) -#endif - -/* a + b */ -static size_t ssat_add(size_t a, size_t b) { - if (b > (SIZE_MAX - a)) - return SIZE_MAX; - return a + b; -} - -/* a - b */ -static size_t ssat_sub(size_t a, size_t b) { - if (a < b) - return SIZE_MAX; - return a - b; -} - -/* a * b */ -static size_t ssat_mul(size_t a, size_t b) { - size_t c; - - if (a == 0 || b == 0) - return 0; - - if (a > (SIZE_MAX/b)) - return SIZE_MAX; - else - return a * b; -} - -/* ------------------------------------------------- */ -/* Memory image icmFile compatible class */ -/* Buffer is assumed to have been allocated by the given allocator, */ -/* and will be expanded on write. */ - -/* Get the size of the file */ -static size_t icmFileMem_get_size(icmFile *pp) { - icmFileMem *p = (icmFileMem *)pp; - - return p->end - p->start; -} - -/* Set current position to offset. Return 0 on success, nz on failure. */ -static int icmFileMem_seek( -icmFile *pp, -unsigned int offset -) { - icmFileMem *p = (icmFileMem *)pp; - unsigned char *np; - - np = p->start + offset; - if (np < p->start || np >= p->end) - return 1; - p->cur = np; - return 0; -} - -/* Read count items of size length. Return number of items successfully read. */ -static size_t icmFileMem_read( -icmFile *pp, -void *buffer, -size_t size, -size_t count -) { - icmFileMem *p = (icmFileMem *)pp; - size_t len; - - len = ssat_mul(size, count); - if (len > (p->end - p->cur)) { /* Too much */ - if (size > 0) - count = (p->end - p->cur)/size; - else - count = 0; - } - len = size * count; - if (len > 0) - memmove(buffer, p->cur, len); - p->cur += len; - return count; -} - -/* Expand the memory buffer file to hold up to pointer ep */ -/* Don't expand if realloc fails */ -static void icmFileMem_filemem_resize(icmFileMem *p, unsigned char *ep) { - size_t na, co, ce; - unsigned char *nstart; - - /* No need to realloc */ - if (ep <= p->aend) { - return; - } - - co = p->cur - p->start; /* Current offset */ - ce = p->end - p->start; /* Current end */ - na = ep - p->start; /* new allocated size */ - - /* Round new allocation up */ - if (na <= 1024) - na += 1024; - else - na += 4096; - - if ((nstart = p->al->realloc(p->al, p->start, na)) != NULL) { - p->start = nstart; - p->cur = nstart + co; - p->end = nstart + ce; - p->aend = nstart + na; - } -} - -/* write count items of size length. Return number of items successfully written. */ -static size_t icmFileMem_write( -icmFile *pp, -void *buffer, -size_t size, -size_t count -) { - icmFileMem *p = (icmFileMem *)pp; - size_t len; - - len = ssat_mul(size, count); - if (len > (size_t)(p->aend - p->cur)) /* Try and expand buffer */ - icmFileMem_filemem_resize(p, p->start + len); - - if (len > (size_t)(p->aend - p->cur)) { - if (size > 0) - count = (p->aend - p->cur)/size; - else - count = 0; - } - len = size * count; - if (len > 0) - memmove(p->cur, buffer, len); - p->cur += len; - if (p->end < p->cur) - p->end = p->cur; - return count; -} - -/* do a printf */ -static int icmFileMem_printf( -icmFile *pp, -const char *format, -... -) { - int rv; - va_list args; - icmFileMem *p = (icmFileMem *)pp; - int len; - - va_start(args, format); - - rv = 1; - len = 100; /* Initial allocation for printf */ - icmFileMem_filemem_resize(p, p->cur + len); - - /* We have to use the available printf functions to resize the buffer if needed. */ - for (;rv != 0;) { - /* vsnprintf() either returns -1 if it doesn't fit, or */ - /* returns the size-1 needed in order to fit. */ - len = vsnprintf((char *)p->cur, (p->aend - p->cur), format, args); - - if (len > -1 && ((p->cur + len +1) <= p->aend)) /* Fitted in current allocation */ - break; - - if (len > -1) /* vsnprintf returned needed size-1 */ - len = len+2; /* (In case vsnprintf returned 1 less than it needs) */ - else - len *= 2; /* We just have to guess */ - - /* Attempt to resize */ - icmFileMem_filemem_resize(p, p->cur + len); - - /* If resize failed */ - if ((p->aend - p->cur) < len) { - rv = 0; - break; - } - } - if (rv != 0) { - /* Figure out where end of printf is */ - len = strlen((char *)p->cur); /* Length excluding nul */ - p->cur += len; - if (p->cur > p->end) - p->end = p->cur; - rv = len; - } - va_end(args); - return rv; -} - -/* flush all write data out to secondary storage. Return nz on failure. */ -static int icmFileMem_flush( -icmFile *pp -) { - return 0; -} - -/* Return the memory buffer. Error if not icmFileMem */ -static int icmFileMem_get_buf( -icmFile *pp, -unsigned char **buf, -size_t *len -) { - icmFileMem *p = (icmFileMem *)pp; - if (buf != NULL) - *buf = p->start; - if (len != NULL) - *len = p->end - p->start; - return 0; -} - -/* we're done with the file object, return nz on failure */ -static int icmFileMem_delete( -icmFile *pp -) { - icmFileMem *p = (icmFileMem *)pp; - icmAlloc *al = p->al; - int del_al = p->del_al; - - if (p->del_buf) /* Free the memory buffer */ - al->free(al, p->start); - al->free(al, p); /* Free object */ - if (del_al) /* We are responsible for deleting allocator */ - al->del(al); - return 0; -} - -/* Create a memory image file access class with allocator */ -/* Buffer is used as is. */ -icmFile *new_icmFileMem_a( -void *base, /* Pointer to base of memory buffer */ -size_t length, /* Number of bytes in buffer */ -icmAlloc *al /* heap allocator */ -) { - icmFileMem *p; - - if ((p = (icmFileMem *) al->calloc(al, 1, sizeof(icmFileMem))) == NULL) { - return NULL; - } - p->al = al; /* Heap allocator */ - p->get_size = icmFileMem_get_size; - p->seek = icmFileMem_seek; - p->read = icmFileMem_read; - p->write = icmFileMem_write; - p->gprintf = icmFileMem_printf; - p->flush = icmFileMem_flush; - p->get_buf = icmFileMem_get_buf; - p->del = icmFileMem_delete; - - p->start = (unsigned char *)base; - p->cur = p->start; - p->aend = p->end = p->start + length; - - return (icmFile *)p; -} - -/* Create a memory image file access class with given allocator */ -/* and delete base when icmFile is deleted. */ -icmFile *new_icmFileMem_ad(void *base, size_t length, icmAlloc *al) { - icmFile *fp; - - if ((fp = new_icmFileMem_a(base, length, al)) != NULL) { - ((icmFileMem *)fp)->del_buf = 1; - } - - return fp; -} - -/* ========================================================== */ -/* Conversion support functions */ -/* Convert between ICC storage types and native C types */ -/* Write routine return non-zero if numbers can't be represented */ - -/* Unsigned */ -static unsigned int read_UInt8Number(char *p) { - unsigned int rv; - rv = (unsigned int)((ORD8 *)p)[0]; - return rv; -} - -static int write_UInt8Number(unsigned int d, char *p) { - if (d > 255) - return 1; - ((ORD8 *)p)[0] = (ORD8)d; - return 0; -} - -static unsigned int read_UInt16Number(char *p) { - unsigned int rv; - rv = 256 * (unsigned int)((ORD8 *)p)[0] - + (unsigned int)((ORD8 *)p)[1]; - return rv; -} - -static int write_UInt16Number(unsigned int d, char *p) { - if (d > 65535) - return 1; - ((ORD8 *)p)[0] = (ORD8)(d >> 8); - ((ORD8 *)p)[1] = (ORD8)(d); - return 0; -} - -static unsigned int read_UInt32Number(char *p) { - unsigned int rv; - rv = 16777216 * (unsigned int)((ORD8 *)p)[0] - + 65536 * (unsigned int)((ORD8 *)p)[1] - + 256 * (unsigned int)((ORD8 *)p)[2] - + (unsigned int)((ORD8 *)p)[3]; - return rv; -} - -static int write_UInt32Number(unsigned int d, char *p) { - ((ORD8 *)p)[0] = (ORD8)(d >> 24); - ((ORD8 *)p)[1] = (ORD8)(d >> 16); - ((ORD8 *)p)[2] = (ORD8)(d >> 8); - ((ORD8 *)p)[3] = (ORD8)(d); - return 0; -} - -static void read_UInt64Number(icmUint64 *d, char *p) { - d->h = 16777216 * (unsigned int)((ORD8 *)p)[0] - + 65536 * (unsigned int)((ORD8 *)p)[1] - + 256 * (unsigned int)((ORD8 *)p)[2] - + (unsigned int)((ORD8 *)p)[3]; - d->l = 16777216 * (unsigned int)((ORD8 *)p)[4] - + 65536 * (unsigned int)((ORD8 *)p)[5] - + 256 * (unsigned int)((ORD8 *)p)[6] - + (unsigned int)((ORD8 *)p)[7]; -} - -static int write_UInt64Number(icmUint64 *d, char *p) { - ((ORD8 *)p)[0] = (ORD8)(d->h >> 24); - ((ORD8 *)p)[1] = (ORD8)(d->h >> 16); - ((ORD8 *)p)[2] = (ORD8)(d->h >> 8); - ((ORD8 *)p)[3] = (ORD8)(d->h); - ((ORD8 *)p)[4] = (ORD8)(d->l >> 24); - ((ORD8 *)p)[5] = (ORD8)(d->l >> 16); - ((ORD8 *)p)[6] = (ORD8)(d->l >> 8); - ((ORD8 *)p)[7] = (ORD8)(d->l); - return 0; -} - -static double read_U8Fixed8Number(char *p) { - ORD32 o32; - o32 = 256 * (ORD32)((ORD8 *)p)[0] /* Read big endian 16 bit unsigned */ - + (ORD32)((ORD8 *)p)[1]; - return (double)o32/256.0; -} - -static int write_U8Fixed8Number(double d, char *p) { - ORD32 o32; - d = d * 256.0 + 0.5; - if (d >= 65536.0) - return 1; - if (d < 0.0) - return 1; - o32 = (ORD32)d; - ((ORD8 *)p)[0] = (ORD8)((o32) >> 8); - ((ORD8 *)p)[1] = (ORD8)((o32)); - return 0; -} - -static double read_U16Fixed16Number(char *p) { - ORD32 o32; - o32 = 16777216 * (ORD32)((ORD8 *)p)[0] /* Read big endian 32 bit unsigned */ - + 65536 * (ORD32)((ORD8 *)p)[1] - + 256 * (ORD32)((ORD8 *)p)[2] - + (ORD32)((ORD8 *)p)[3]; - return (double)o32/65536.0; -} - -static int write_U16Fixed16Number(double d, char *p) { - ORD32 o32; - d = d * 65536.0 + 0.5; - if (d >= 4294967296.0) - return 1; - if (d < 0.0) - return 1; - o32 = (ORD32)d; - ((ORD8 *)p)[0] = (ORD8)((o32) >> 24); - ((ORD8 *)p)[1] = (ORD8)((o32) >> 16); - ((ORD8 *)p)[2] = (ORD8)((o32) >> 8); - ((ORD8 *)p)[3] = (ORD8)((o32)); - return 0; -} - - -/* Signed numbers */ -static int read_SInt8Number(char *p) { - int rv; - rv = (int)((INR8 *)p)[0]; - return rv; -} - -static int write_SInt8Number(int d, char *p) { - if (d > 127) - return 1; - else if (d < -128) - return 1; - ((INR8 *)p)[0] = (INR8)d; - return 0; -} - -static int read_SInt16Number(char *p) { - int rv; - rv = 256 * (int)((INR8 *)p)[0] - + (int)((ORD8 *)p)[1]; - return rv; -} - -static int write_SInt16Number(int d, char *p) { - if (d > 32767) - return 1; - else if (d < -32768) - return 1; - ((INR8 *)p)[0] = (INR8)(d >> 8); - ((ORD8 *)p)[1] = (ORD8)(d); - return 0; -} - -static int read_SInt32Number(char *p) { - int rv; - rv = 16777216 * (int)((INR8 *)p)[0] - + 65536 * (int)((ORD8 *)p)[1] - + 256 * (int)((ORD8 *)p)[2] - + (int)((ORD8 *)p)[3]; - return rv; -} - -static int write_SInt32Number(int d, char *p) { - ((INR8 *)p)[0] = (INR8)(d >> 24); - ((ORD8 *)p)[1] = (ORD8)(d >> 16); - ((ORD8 *)p)[2] = (ORD8)(d >> 8); - ((ORD8 *)p)[3] = (ORD8)(d); - return 0; -} - -static void read_SInt64Number(icmInt64 *d, char *p) { - d->h = 16777216 * (int)((INR8 *)p)[0] - + 65536 * (int)((ORD8 *)p)[1] - + 256 * (int)((ORD8 *)p)[2] - + (int)((ORD8 *)p)[3]; - d->l = 16777216 * (unsigned int)((ORD8 *)p)[4] - + 65536 * (unsigned int)((ORD8 *)p)[5] - + 256 * (unsigned int)((ORD8 *)p)[6] - + (unsigned int)((ORD8 *)p)[7]; -} - -static int write_SInt64Number(icmInt64 *d, char *p) { - ((INR8 *)p)[0] = (INR8)(d->h >> 24); - ((ORD8 *)p)[1] = (ORD8)(d->h >> 16); - ((ORD8 *)p)[2] = (ORD8)(d->h >> 8); - ((ORD8 *)p)[3] = (ORD8)(d->h); - ((ORD8 *)p)[4] = (ORD8)(d->l >> 24); - ((ORD8 *)p)[5] = (ORD8)(d->l >> 16); - ((ORD8 *)p)[6] = (ORD8)(d->l >> 8); - ((ORD8 *)p)[7] = (ORD8)(d->l); - return 0; -} - -static double read_S15Fixed16Number(char *p) { - INR32 i32; - i32 = 16777216 * (INR32)((INR8 *)p)[0] /* Read big endian 32 bit signed */ - + 65536 * (INR32)((ORD8 *)p)[1] - + 256 * (INR32)((ORD8 *)p)[2] - + (INR32)((ORD8 *)p)[3]; - return (double)i32/65536.0; -} - -static int write_S15Fixed16Number(double d, char *p) { - INR32 i32; - d = floor(d * 65536.0 + 0.5); /* Beware! (int)(d + 0.5) doesn't work! */ - if (d >= 2147483648.0) - return 1; - if (d < -2147483648.0) - return 1; - i32 = (INR32)d; - ((INR8 *)p)[0] = (INR8)((i32) >> 24); /* Write big endian 32 bit signed */ - ((ORD8 *)p)[1] = (ORD8)((i32) >> 16); - ((ORD8 *)p)[2] = (ORD8)((i32) >> 8); - ((ORD8 *)p)[3] = (ORD8)((i32)); - return 0; -} - -/* Device coordinate as 8 bit value range 0.0 - 1.0 */ -static double read_DCS8Number(char *p) { - unsigned int rv; - rv = (unsigned int)((ORD8 *)p)[0]; - return (double)rv/255.0; -} - -static int write_DCS8Number(double d, char *p) { - ORD32 o32; - d = d * 255.0 + 0.5; - if (d >= 256.0) - return 1; - if (d < 0.0) - return 1; - o32 = (ORD32)d; - ((ORD8 *)p)[0] = (ORD8)(o32); - return 0; -} - -/* Device coordinate as 16 bit value range 0.0 - 1.0 */ -static double read_DCS16Number(char *p) { - unsigned int rv; - rv = 256 * (unsigned int)((ORD8 *)p)[0] - + (unsigned int)((ORD8 *)p)[1]; - return (double)rv/65535.0; -} - -static int write_DCS16Number(double d, char *p) { - ORD32 o32; - d = d * 65535.0 + 0.5; - if (d >= 65536.0) - return 1; - if (d < 0.0) - return 1; - o32 = (ORD32)d; - ((ORD8 *)p)[0] = (ORD8)(o32 >> 8); - ((ORD8 *)p)[1] = (ORD8)(o32); - return 0; -} - -static void Lut_Lut2XYZ(double *out, double *in); -static void Lut_XYZ2Lut(double *out, double *in); -static void Lut_Lut2Lab_8(double *out, double *in); -static void Lut_Lab2Lut_8(double *out, double *in); -static void Lut_Lut2LabV2_16(double *out, double *in); -static void Lut_Lab2LutV2_16(double *out, double *in); -static void Lut_Lut2LabV4_16(double *out, double *in); -static void Lut_Lab2LutV4_16(double *out, double *in); - -static void Lut_Lut2Y(double *out, double *in); -static void Lut_Y2Lut(double *out, double *in); -static void Lut_Lut2L_8(double *out, double *in); -static void Lut_L2Lut_8(double *out, double *in); -static void Lut_Lut2LV2_16(double *out, double *in); -static void Lut_L2LutV2_16(double *out, double *in); -static void Lut_Lut2LV4_16(double *out, double *in); -static void Lut_L2LutV4_16(double *out, double *in); - -//~~~~888888 -/* read a PCS number. PCS can be profile PCS, profile version Lab, */ -/* or a specific type of Lab, depending on the value of csig: */ -/* icmSigPCSData, icSigXYZData, icmSigLab8Data, icSigLabData, */ -/* icmSigLabV2Data or icmSigLabV4Data */ -/* Do nothing if not one of the above. */ -static void read_PCSNumber(icc *icp, icColorSpaceSignature csig, double pcs[3], char *p) { - - if (csig == icmSigPCSData) - csig = icp->header->pcs; - if (csig == icSigLabData) { - if (icp->ver != 0) - csig = icmSigLabV4Data; - else - csig = icmSigLabV2Data; - } - - if (csig == icmSigLab8Data) { - pcs[0] = read_DCS8Number(p); - pcs[1] = read_DCS8Number(p+1); - pcs[2] = read_DCS8Number(p+2); - } else { - pcs[0] = read_DCS16Number(p); - pcs[1] = read_DCS16Number(p+2); - pcs[2] = read_DCS16Number(p+4); - } - switch (csig) { - case icSigXYZData: - Lut_Lut2XYZ(pcs, pcs); - break; - case icmSigLab8Data: - Lut_Lut2Lab_8(pcs, pcs); - break; - case icmSigLabV2Data: - Lut_Lut2LabV2_16(pcs, pcs); - break; - case icmSigLabV4Data: - Lut_Lut2LabV4_16(pcs, pcs); - break; - default: - break; - } -} - -/* write a PCS number. PCS can be profile PCS, profile version Lab, */ -/* or a specific type of Lab, depending on the value of csig: */ -/* icmSigPCSData, icSigXYZData, icmSigLab8Data, icSigLabData, */ -/* icmSigLabV2Data or icmSigLabV4Data */ -/* Return 1 if error */ -static int write_PCSNumber(icc *icp, icColorSpaceSignature csig, double pcs[3], char *p) { - double v[3]; - int j; - - if (csig == icmSigPCSData) - csig = icp->header->pcs; - if (csig == icSigLabData) { - if (icp->ver != 0) - csig = icmSigLabV4Data; - else - csig = icmSigLabV2Data; - } - - switch (csig) { - case icSigXYZData: - Lut_XYZ2Lut(v, pcs); - break; - case icmSigLab8Data: - Lut_Lab2Lut_8(v, pcs); - break; - case icmSigLabV2Data: - Lut_Lab2LutV2_16(v, pcs); - break; - case icmSigLabV4Data: - Lut_Lab2LutV4_16(v, pcs); - break; - default: - return 1; - } - if (csig == icmSigLab8Data) { - for (j = 0; j < 3; j++) { - if (write_DCS8Number(v[j], p+j)) - return 1; - } - } else { - for (j = 0; j < 3; j++) { - if (write_DCS16Number(v[j], p+(2 * j))) - return 1; - } - } - - return 0; -} - -/* Read a given primitive type. Return non-zero on error */ -/* (Not currently used internaly ?) */ -/* Public: */ -int read_Primitive(icc *icp, icmPrimType ptype, void *prim, char *p) { - - switch(ptype) { - case icmUInt8Number: - *((unsigned int *)prim) = read_UInt8Number(p); - return 0; - case icmUInt16Number: - *((unsigned int *)prim) = read_UInt16Number(p); - return 0; - case icmUInt32Number: - *((unsigned int *)prim) = read_UInt32Number(p); - return 0; - case icmUInt64Number: - read_UInt64Number((icmUint64 *)prim, p); - return 0; - case icmU8Fixed8Number: - *((double *)prim) = read_U8Fixed8Number(p); - return 0; - case icmU16Fixed16Number: - *((double *)prim) = read_U16Fixed16Number(p); - return 0; - case icmSInt8Number: - *((int *)prim) = read_SInt8Number(p); - return 0; - case icmSInt16Number: - *((int *)prim) = read_SInt16Number(p); - return 0; - case icmSInt32Number: - *((int *)prim) = read_SInt32Number(p); - return 0; - case icmSInt64Number: - read_SInt64Number((icmInt64 *)prim, p); - return 0; - case icmS15Fixed16Number: - *((double *)prim) = read_S15Fixed16Number(p); - return 0; - case icmDCS8Number: - *((double *)prim) = read_DCS8Number(p); - return 0; - case icmDCS16Number: - *((double *)prim) = read_DCS16Number(p); - return 0; - case icmPCSNumber: - read_PCSNumber(icp, icmSigPCSData, ((double *)prim), p); - return 0; - case icmPCSXYZNumber: - read_PCSNumber(icp, icSigXYZData, ((double *)prim), p); - return 0; - case icmPCSLab8Number: - read_PCSNumber(icp, icmSigLab8Data, ((double *)prim), p); - return 0; - case icmPCSLabNumber: - read_PCSNumber(icp, icSigLabData, ((double *)prim), p); - return 0; - case icmPCSLabV2Number: - read_PCSNumber(icp, icmSigLabV2Data, ((double *)prim), p); - return 0; - case icmPCSLabV4Number: - read_PCSNumber(icp, icmSigLabV4Data, ((double *)prim), p); - return 0; - } - - return 2; -} - -/* Write a given primitive type. Return non-zero on error */ -/* (Not currently used internaly ?) */ -/* Public: */ -int write_Primitive(icc *icp, icmPrimType ptype, char *p, void *prim) { - - switch(ptype) { - case icmUInt8Number: - return write_UInt8Number(*((unsigned int *)prim), p); - case icmUInt16Number: - return write_UInt16Number(*((unsigned int *)prim), p); - case icmUInt32Number: - return write_UInt32Number(*((unsigned int *)prim), p); - case icmUInt64Number: - return write_UInt64Number((icmUint64 *)prim, p); - case icmU8Fixed8Number: - return write_U8Fixed8Number(*((double *)prim), p); - case icmU16Fixed16Number: - return write_U16Fixed16Number(*((double *)prim), p); - case icmSInt8Number: - return write_SInt8Number(*((int *)prim), p); - case icmSInt16Number: - return write_SInt16Number(*((int *)prim), p); - case icmSInt32Number: - return write_SInt32Number(*((int *)prim), p); - case icmSInt64Number: - return write_SInt64Number((icmInt64 *)prim, p); - case icmS15Fixed16Number: - return write_S15Fixed16Number(*((double *)prim), p); - case icmDCS8Number: - return write_DCS8Number(*((double *)prim), p); - case icmDCS16Number: - return write_DCS16Number(*((double *)prim), p); - case icmPCSNumber: - return write_PCSNumber(icp, icmSigPCSData, ((double *)prim), p); - case icmPCSXYZNumber: - return write_PCSNumber(icp, icSigXYZData, ((double *)prim), p); - case icmPCSLab8Number: - return write_PCSNumber(icp, icmSigLab8Data, ((double *)prim), p); - case icmPCSLabNumber: - return write_PCSNumber(icp, icSigLabData, ((double *)prim), p); - case icmPCSLabV2Number: - return write_PCSNumber(icp, icmSigLabV2Data, ((double *)prim), p); - case icmPCSLabV4Number: - return write_PCSNumber(icp, icmSigLabV4Data, ((double *)prim), p); - } - - return 2; -} - -/* ---------------------------------------------------------- */ -/* Auiliary function - return a string that represents a tag */ -/* Note - returned buffers are static, can only be used 5 */ -/* times before buffers get reused. */ -char *tag2str( - int tag -) { - int i; - static int si = 0; /* String buffer index */ - static char buf[5][20]; /* String buffers */ - char *bp; - unsigned char c[4]; - - bp = buf[si++]; - si %= 5; /* Rotate through buffers */ - - c[0] = 0xff & (tag >> 24); - c[1] = 0xff & (tag >> 16); - c[2] = 0xff & (tag >> 8); - c[3] = 0xff & (tag >> 0); - for (i = 0; i < 4; i++) { /* Can we represent it as a string ? */ - if (!isprint(c[i])) - break; - } - if (i < 4) { /* Not printable - use hex */ - sprintf(bp,"0x%x",tag); - } else { /* Printable */ - sprintf(bp,"'%c%c%c%c'",c[0],c[1],c[2],c[3]); - } - return bp; -} - -/* Auiliary function - return a tag created from a string */ -/* Note there is also the icmMakeTag() macro */ -unsigned int str2tag( - const char *str -) { - unsigned int tag; - tag = (((unsigned int)str[0]) << 24) - + (((unsigned int)str[1]) << 16) - + (((unsigned int)str[2]) << 8) - + (((unsigned int)str[3])); - return tag; -} - -/* helper - return 1 if the string doesn't have a */ -/* null terminator within len, return 0 has null at exactly len, */ -/* and 2 if it has null before len. */ -/* Note: will return 1 if len == 0 */ -static int check_null_string(char *cp, int len) { - for (; len > 0; len--) { - if (cp[0] == '\000') - break; - cp++; - } - if (len == 0) - return 1; - if (len > 1) - return 2; - return 0; -} - -/* helper - return 1 if the string doesn't have a */ -/* null terminator within len, return 0 has null at exactly len, */ -/* and 2 if it has null before len. */ -/* Note: will return 1 if len == 0 */ -/* Unicode version */ -static int check_null_string16(char *cp, int len) { - for (; len > 0; len--) { /* Length is in characters */ - if (cp[0] == 0 && cp[1] == 0) - break; - cp += 2; - } - if (len == 0) - return 1; - if (len > 1) - return 2; - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Color Space to number of component conversion */ -/* Return 0 on error */ -static unsigned int number_ColorSpaceSignature(icColorSpaceSignature sig) { - switch(sig) { - case icSigXYZData: - return 3; - case icSigLabData: - return 3; - case icSigLuvData: - return 3; - case icSigYCbCrData: - return 3; - case icSigYxyData: - return 3; - case icSigRgbData: - return 3; - case icSigGrayData: - return 1; - case icSigHsvData: - return 3; - case icSigHlsData: - return 3; - case icSigCmykData: - return 4; - case icSigCmyData: - return 3; - case icSig2colorData: - return 2; - case icSig3colorData: - return 3; - case icSig4colorData: - return 4; - case icSig5colorData: - case icSigMch5Data: - return 5; - case icSig6colorData: - case icSigMch6Data: - return 6; - case icSig7colorData: - case icSigMch7Data: - return 7; - case icSig8colorData: - case icSigMch8Data: - return 8; - case icSig9colorData: - return 9; - case icSig10colorData: - return 10; - case icSig11colorData: - return 11; - case icSig12colorData: - return 12; - case icSig13colorData: - return 13; - case icSig14colorData: - return 14; - case icSig15colorData: - return 15; - - /* Non-standard and Pseudo spaces */ - case icmSigYData: - return 1; - case icmSigLData: - return 1; - case icmSigL8Data: - return 1; - case icmSigLV2Data: - return 1; - case icmSigLV4Data: - return 1; - case icmSigPCSData: - return 3; - case icmSigLab8Data: - return 3; - case icmSigLabV2Data: - return 3; - case icmSigLabV4Data: - return 3; - - default: - break; - } - return 0; -} - -/* Public version of above */ - -/* Return the number of channels for the given color space. Return 0 if unknown. */ -ICCLIB_API unsigned int icmCSSig2nchan(icColorSpaceSignature sig) { - return number_ColorSpaceSignature(sig); -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Return the individual channel names and number of channels give a colorspace signature. */ -/* Return 0 if it is not a colorspace that itself defines particular channels, */ -/* 1 if it is a colorant based colorspace, and 2 if it is not a colorant based space */ -static int chnames_ColorSpaceSignature( -icColorSpaceSignature sig, -char *cvals[] /* Pointers to return for each channel */ -) { - switch (sig) { - case icSigXYZData: - cvals[0] = "CIE X"; - cvals[1] = "CIE Y"; - cvals[2] = "CIE Z"; - return 2; - - case icSigLabData: - cvals[0] = "CIE L*"; - cvals[1] = "CIE a*"; - cvals[2] = "CIE b*"; - return 2; - - case icSigLuvData: - cvals[0] = "CIE L*"; - cvals[1] = "CIE u*"; - cvals[2] = "CIE v*"; - return 2; - - /* Usually ITU-R BT.601 (was CCIR 601) */ - case icSigYCbCrData: - cvals[0] = "ITU Y"; - cvals[1] = "ITU Cb"; - cvals[2] = "ITU Cr"; - return 2; - - case icSigYxyData: - cvals[0] = "CIE Y"; - cvals[1] = "CIE x"; - cvals[2] = "CIE y"; - return 2; - - /* Alvy Ray Smith ? */ - case icSigHsvData: - cvals[0] = "RGB Hue"; - cvals[1] = "RGB Saturation"; - cvals[2] = "RGB Value"; - return 2; - - /* GSPC ? */ - case icSigHlsData: - cvals[0] = "RGB Hue"; - cvals[1] = "RGB Lightness"; - cvals[2] = "RGB Saturation"; - return 2; - - case icSigCmyData: - cvals[0] = "Cyan"; - cvals[1] = "Magenta"; - cvals[2] = "Yellow"; - return 1; - - case icSigRgbData: - cvals[0] = "Red"; - cvals[1] = "Green"; - cvals[2] = "Blue"; - return 1; - - case icSigCmykData: - cvals[0] = "Cyan"; - cvals[1] = "Magenta"; - cvals[2] = "Yellow"; - cvals[3] = "Black"; - return 1; - - - /* Non-standard and Pseudo spaces */ - case icmSigYData: - cvals[0] = "CIE Y"; - return 2; - - case icmSigLData: - cvals[0] = "CIE L*"; - return 2; - - default: - break; - - } - return 0; -} - -/* Public version of above */ - -/* Return the individual channel names and number of channels give a colorspace signature. */ -/* Return 0 if it is not a colorspace that itself defines particular channels, */ -/* 1 if it is a colorant based colorspace, and 2 if it is not a colorant based space */ -ICCLIB_API unsigned int icmCSSig2chanNames(icColorSpaceSignature sig, char *cvals[]) { - - return chnames_ColorSpaceSignature(sig, cvals); -} - -/* ------------------------------------------------------- */ -/* Flag dump functions */ -/* Note - returned buffers are static, can only be used 5 */ -/* times before buffers get reused. */ - -/* Screening Encodings */ -static char *string_ScreenEncodings(unsigned int flags) { - static int si = 0; /* String buffer index */ - static char buf[5][80]; /* String buffers */ - char *bp, *cp; - - cp = bp = buf[si++]; - si %= 5; /* Rotate through buffers */ - - if (flags & icPrtrDefaultScreensTrue) { - sprintf(cp,"Default Screen"); - } else { - sprintf(cp,"No Default Screen"); - } - cp = cp + strlen(cp); - if (flags & icLinesPerInch) { - sprintf(cp,", Lines Per Inch"); - } else { - sprintf(cp,", Lines Per cm"); - } - cp = cp + strlen(cp); - - return bp; -} - -/* Device attributes */ -static char *string_DeviceAttributes(unsigned int flags) { - static int si = 0; /* String buffer index */ - static char buf[5][80]; /* String buffers */ - char *bp, *cp; - - cp = bp = buf[si++]; - si %= 5; /* Rotate through buffers */ - - if (flags & icTransparency) { - sprintf(cp,"Transparency"); - } else { - sprintf(cp,"Reflective"); - } - cp = cp + strlen(cp); - if (flags & icMatte) { - sprintf(cp,", Matte"); - } else { - sprintf(cp,", Glossy"); - } - cp = cp + strlen(cp); - if (flags & icNegative) { - sprintf(cp,", Negative"); - } else { - sprintf(cp,", Positive"); - } - cp = cp + strlen(cp); - if (flags & icBlackAndWhite) { - sprintf(cp,", BlackAndWhite"); - } else { - sprintf(cp,", Color"); - } - cp = cp + strlen(cp); - - return bp; -} - -/* Profile header flags */ -static char *string_ProfileHeaderFlags(unsigned int flags) { - static int si = 0; /* String buffer index */ - static char buf[5][80]; /* String buffers */ - char *bp, *cp; - - cp = bp = buf[si++]; - si %= 5; /* Rotate through buffers */ - - if (flags & icEmbeddedProfileTrue) { - sprintf(cp,"Embedded Profile"); - } else { - sprintf(cp,"Not Embedded Profile"); - } - cp = cp + strlen(cp); - if (flags & icUseWithEmbeddedDataOnly) { - sprintf(cp,", Use with embedded data only"); - } else { - sprintf(cp,", Use anywhere"); - } - cp = cp + strlen(cp); - - return bp; -} - - -static char *string_AsciiOrBinaryData(unsigned int flags) { - static int si = 0; /* String buffer index */ - static char buf[5][80]; /* String buffers */ - char *bp, *cp; - - cp = bp = buf[si++]; - si %= 5; /* Rotate through buffers */ - - if (flags & icBinaryData) { - sprintf(cp,"Binary"); - } else { - sprintf(cp,"Ascii"); - } - cp = cp + strlen(cp); - - return bp; -} - -/* ------------------------------------------------------------ */ -/* Enumeration dump functions */ -/* Note - returned buffers are static, can only be used once */ -/* before buffers get reused if type is unknown. */ - -/* public tags and sizes */ -static const char *string_TagSignature(icTagSignature sig) { - static char buf[80]; - switch(sig) { - case icSigAToB0Tag: - return "AToB0 Multidimentional Transform"; - case icSigAToB1Tag: - return "AToB1 Multidimentional Transform"; - case icSigAToB2Tag: - return "AToB2 Multidimentional Transform"; - case icSigBlueColorantTag: - return "Blue Colorant"; - case icSigBlueTRCTag: - return "Blue Tone Reproduction Curve"; - case icSigBToA0Tag: - return "BToA0 Multidimentional Transform"; - case icSigBToA1Tag: - return "BToA1 Multidimentional Transform"; - case icSigBToA2Tag: - return "BToA2 Multidimentional Transform"; - case icSigCalibrationDateTimeTag: - return "Calibration Date & Time"; - case icSigCharTargetTag: - return "Characterization Target"; - case icSigCopyrightTag: - return "Copyright"; - case icSigCrdInfoTag: - return "CRD Info"; - case icSigDeviceMfgDescTag: - return "Device Manufacturer Description"; - case icSigDeviceModelDescTag: - return "Device Model Description"; - case icSigGamutTag: - return "Gamut"; - case icSigGrayTRCTag: - return "Gray Tone Reproduction Curve"; - case icSigGreenColorantTag: - return "Green Colorant"; - case icSigGreenTRCTag: - return "Green Tone Reproduction Curve"; - case icSigLuminanceTag: - return "Luminance"; - case icSigMeasurementTag: - return "Measurement"; - case icSigMediaBlackPointTag: - return "Media Black Point"; - case icSigMediaWhitePointTag: - return "Media White Point"; - case icSigNamedColorTag: - return "Named Color"; - case icSigNamedColor2Tag: - return "Named Color 2"; - case icSigPreview0Tag: - return "Preview0"; - case icSigPreview1Tag: - return "Preview1"; - case icSigPreview2Tag: - return "Preview2"; - case icSigProfileDescriptionTag: - return "Profile Description"; - case icSigProfileSequenceDescTag: - return "Profile Sequence"; - case icSigPs2CRD0Tag: - return "PS Level 2 CRD perceptual"; - case icSigPs2CRD1Tag: - return "PS Level 2 CRD colorimetric"; - case icSigPs2CRD2Tag: - return "PS Level 2 CRD saturation"; - case icSigPs2CRD3Tag: - return "PS Level 2 CRD absolute"; - case icSigPs2CSATag: - return "PS Level 2 color space array"; - case icSigPs2RenderingIntentTag: - return "PS Level 2 Rendering Intent"; - case icSigRedColorantTag: - return "Red Colorant"; - case icSigRedTRCTag: - return "Red Tone Reproduction Curve"; - case icSigScreeningDescTag: - return "Screening Description"; - case icSigScreeningTag: - return "Screening Attributes"; - case icSigTechnologyTag: - return "Device Technology"; - case icSigUcrBgTag: - return "Under Color Removal & Black Generation"; - case icSigVideoCardGammaTag: - return "Video Card Gamma Curve"; - case icSigViewingCondDescTag: - return "Viewing Condition Description"; - case icSigViewingConditionsTag: - return "Viewing Condition Paramaters"; - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -/* technology signature descriptions */ -static const char *string_TechnologySignature(icTechnologySignature sig) { - static char buf[80]; - switch(sig) { - case icSigDigitalCamera: - return "Digital Camera"; - case icSigFilmScanner: - return "Film Scanner"; - case icSigReflectiveScanner: - return "Reflective Scanner"; - case icSigInkJetPrinter: - return "InkJet Printer"; - case icSigThermalWaxPrinter: - return "Thermal WaxPrinter"; - case icSigElectrophotographicPrinter: - return "Electrophotographic Printer"; - case icSigElectrostaticPrinter: - return "Electrostatic Printer"; - case icSigDyeSublimationPrinter: - return "DyeSublimation Printer"; - case icSigPhotographicPaperPrinter: - return "Photographic Paper Printer"; - case icSigFilmWriter: - return "Film Writer"; - case icSigVideoMonitor: - return "Video Monitor"; - case icSigVideoCamera: - return "Video Camera"; - case icSigProjectionTelevision: - return "Projection Television"; - case icSigCRTDisplay: - return "Cathode Ray Tube Display"; - case icSigPMDisplay: - return "Passive Matrix Display"; - case icSigAMDisplay: - return "Active Matrix Display"; - case icSigPhotoCD: - return "Photo CD"; - case icSigPhotoImageSetter: - return "Photo ImageSetter"; - case icSigGravure: - return "Gravure"; - case icSigOffsetLithography: - return "Offset Lithography"; - case icSigSilkscreen: - return "Silkscreen"; - case icSigFlexography: - return "Flexography"; - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -/* type signatures */ -static const char *string_TypeSignature(icTagTypeSignature sig) { - static char buf[80]; - switch(sig) { - case icSigCurveType: - return "Curve"; - case icSigDataType: - return "Data"; - case icSigDateTimeType: - return "DateTime"; - case icSigLut16Type: - return "Lut16"; - case icSigLut8Type: - return "Lut8"; - case icSigMeasurementType: - return "Measurement"; - case icSigNamedColorType: - return "Named Color"; - case icSigProfileSequenceDescType: - return "Profile Sequence Desc"; - case icSigS15Fixed16ArrayType: - return "S15Fixed16 Array"; - case icSigScreeningType: - return "Screening"; - case icSigSignatureType: - return "Signature"; - case icSigTextType: - return "Text"; - case icSigTextDescriptionType: - return "Text Description"; - case icSigU16Fixed16ArrayType: - return "U16Fixed16 Array"; - case icSigUcrBgType: - return "Under Color Removal & Black Generation"; - case icSigUInt16ArrayType: - return "UInt16 Array"; - case icSigUInt32ArrayType: - return "UInt32 Array"; - case icSigUInt64ArrayType: - return "UInt64 Array"; - case icSigUInt8ArrayType: - return "UInt8 Array"; - case icSigVideoCardGammaType: - return "Video Card Gamma"; - case icSigViewingConditionsType: - return "Viewing Conditions"; - case icSigXYZType: - return "XYZ (Array?)"; - case icSigNamedColor2Type: - return "Named Color 2"; - case icSigCrdInfoType: - return "CRD Info"; - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -/* Color Space Signatures */ -static const char *string_ColorSpaceSignature(icColorSpaceSignature sig) { - static char buf[80]; - switch(sig) { - case icSigXYZData: - return "XYZ"; - case icSigLabData: - return "Lab"; - case icSigLuvData: - return "Luv"; - case icSigYCbCrData: - return "YCbCr"; - case icSigYxyData: - return "Yxy"; - case icSigRgbData: - return "RGB"; - case icSigGrayData: - return "Gray"; - case icSigHsvData: - return "HSV"; - case icSigHlsData: - return "HLS"; - case icSigCmykData: - return "CMYK"; - case icSigCmyData: - return "CMY"; - case icSig2colorData: - return "2 Color"; - case icSig3colorData: - return "3 Color"; - case icSig4colorData: - return "4 Color"; - case icSig5colorData: - case icSigMch5Data: - return "5 Color"; - case icSig6colorData: - case icSigMch6Data: - return "6 Color"; - case icSig7colorData: - case icSigMch7Data: - return "7 Color"; - case icSig8colorData: - case icSigMch8Data: - return "8 Color"; - case icSig9colorData: - return "9 Color"; - case icSig10colorData: - return "10 Color"; - case icSig11colorData: - return "11 Color"; - case icSig12colorData: - return "12 Color"; - case icSig13colorData: - return "13 Color"; - case icSig14colorData: - return "14 Color"; - case icSig15colorData: - return "15 Color"; - - /* Non-standard and Pseudo spaces */ - case icmSigYData: - return "Y"; - case icmSigLData: - return "L"; - case icmSigL8Data: - return "L"; - case icmSigLV2Data: - return "L"; - case icmSigLV4Data: - return "L"; - case icmSigPCSData: - return "PCS"; - case icmSigLab8Data: - return "Lab"; - case icmSigLabV2Data: - return "Lab"; - case icmSigLabV4Data: - return "Lab"; - - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -#ifdef NEVER -/* Public version of above */ -char *ColorSpaceSignature2str(icColorSpaceSignature sig) { - return string_ColorSpaceSignature(sig); -} -#endif - - -/* profileClass enumerations */ -static const char *string_ProfileClassSignature(icProfileClassSignature sig) { - static char buf[80]; - switch(sig) { - case icSigInputClass: - return "Input"; - case icSigDisplayClass: - return "Display"; - case icSigOutputClass: - return "Output"; - case icSigLinkClass: - return "Link"; - case icSigAbstractClass: - return "Abstract"; - case icSigColorSpaceClass: - return "Color Space"; - case icSigNamedColorClass: - return "Named Color"; - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -/* Platform Signatures */ -static const char *string_PlatformSignature(icPlatformSignature sig) { - static char buf[80]; - switch(sig) { - case icSigMacintosh: - return "Macintosh"; - case icSigMicrosoft: - return "Microsoft"; - case icSigSolaris: - return "Solaris"; - case icSigSGI: - return "SGI"; - case icSigTaligent: - return "Taligent"; - case icmSig_nix: - return "*nix"; - default: - sprintf(buf,"Unrecognized - %s",tag2str(sig)); - return buf; - } -} - -/* Measurement Geometry, used in the measurmentType tag */ -static const char *string_MeasurementGeometry(icMeasurementGeometry sig) { - static char buf[30]; - switch(sig) { - case icGeometryUnknown: - return "Unknown"; - case icGeometry045or450: - return "0/45 or 45/0"; - case icGeometry0dord0: - return "0/d or d/0"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - -/* Rendering Intents, used in the profile header */ -static const char *string_RenderingIntent(icRenderingIntent sig) { - static char buf[30]; - switch(sig) { - case icPerceptual: - return "Perceptual"; - case icRelativeColorimetric: - return "Relative Colorimetric"; - case icSaturation: - return "Saturation"; - case icAbsoluteColorimetric: - return "Absolute Colorimetric"; - case icmAbsolutePerceptual: /* icclib specials */ - return "Absolute Perceptual"; - case icmAbsoluteSaturation: /* icclib specials */ - return "Absolute Saturation"; - case icmDefaultIntent: /* icclib specials */ - return "Default Intent"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - -/* Transform Lookup function */ -static const char *string_LookupFunc(icmLookupFunc sig) { - static char buf[30]; - switch(sig) { - case icmFwd: - return "Forward"; - case icmBwd: - return "Backward"; - case icmGamut: - return "Gamut"; - case icmPreview: - return "Preview"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - - -/* Different Spot Shapes currently defined, used for screeningType */ -static const char *string_SpotShape(icSpotShape sig) { - static char buf[30]; - switch(sig) { - case icSpotShapeUnknown: - return "Unknown"; - case icSpotShapePrinterDefault: - return "Printer Default"; - case icSpotShapeRound: - return "Round"; - case icSpotShapeDiamond: - return "Diamond"; - case icSpotShapeEllipse: - return "Ellipse"; - case icSpotShapeLine: - return "Line"; - case icSpotShapeSquare: - return "Square"; - case icSpotShapeCross: - return "Cross"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - -/* Standard Observer, used in the measurmentType tag */ -static const char *string_StandardObserver(icStandardObserver sig) { - static char buf[30]; - switch(sig) { - case icStdObsUnknown: - return "Unknown"; - case icStdObs1931TwoDegrees: - return "1931 Two Degrees"; - case icStdObs1964TenDegrees: - return "1964 Ten Degrees"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - -/* Pre-defined illuminants, used in measurement and viewing conditions type */ -static const char *string_Illuminant(icIlluminant sig) { - static char buf[30]; - switch(sig) { - case icIlluminantUnknown: - return "Unknown"; - case icIlluminantD50: - return "D50"; - case icIlluminantD65: - return "D65"; - case icIlluminantD93: - return "D93"; - case icIlluminantF2: - return "F2"; - case icIlluminantD55: - return "D55"; - case icIlluminantA: - return "A"; - case icIlluminantEquiPowerE: - return "Equi-Power(E)"; - case icIlluminantF8: - return "F8"; - default: - sprintf(buf,"Unrecognized - 0x%x",sig); - return buf; - } -} - -/* Return a text abreviation of a color lookup algorithm */ -static const char *string_LuAlg(icmLuAlgType alg) { - static char buf[80]; - - switch(alg) { - case icmMonoFwdType: - return "MonoFwd"; - case icmMonoBwdType: - return "MonoBwd"; - case icmMatrixFwdType: - return "MatrixFwd"; - case icmMatrixBwdType: - return "MatrixBwd"; - case icmLutType: - return "Lut"; - default: - sprintf(buf,"Unrecognized - %d",alg); - return buf; - } -} - -/* Return a string description of the given enumeration value */ -/* Public: */ -const char *icm2str(icmEnumType etype, int enumval) { - - switch(etype) { - case icmScreenEncodings: - return string_ScreenEncodings((unsigned int) enumval); - case icmDeviceAttributes: - return string_DeviceAttributes((unsigned int) enumval); - case icmProfileHeaderFlags: - return string_ProfileHeaderFlags((unsigned int) enumval); - case icmAsciiOrBinaryData: - return string_AsciiOrBinaryData((unsigned int) enumval); - case icmTagSignature: - return string_TagSignature((icTagSignature) enumval); - case icmTechnologySignature: - return string_TechnologySignature((icTechnologySignature) enumval); - case icmTypeSignature: - return string_TypeSignature((icTagTypeSignature) enumval); - case icmColorSpaceSignature: - return string_ColorSpaceSignature((icColorSpaceSignature) enumval); - case icmProfileClassSignature: - return string_ProfileClassSignature((icProfileClassSignature) enumval); - case icmPlatformSignature: - return string_PlatformSignature((icPlatformSignature) enumval); - case icmMeasurementGeometry: - return string_MeasurementGeometry((icMeasurementGeometry) enumval); - case icmRenderingIntent: - return string_RenderingIntent((icRenderingIntent) enumval); - case icmTransformLookupFunc: - return string_LookupFunc((icmLookupFunc) enumval); - case icmSpotShape: - return string_SpotShape((icSpotShape) enumval); - case icmStandardObserver: - return string_StandardObserver((icStandardObserver) enumval); - case icmIlluminant: - return string_Illuminant((icIlluminant) enumval); - case icmLuAlg: - return string_LuAlg((icmLuAlgType) enumval); - default: - return "enum2str got unknown type"; - } -} - -/* ========================================================== */ -/* Object I/O routines */ -/* ========================================================== */ -/* icmUnknown object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUnknown_get_size( - icmBase *pp -) { - icmUnknown *p = (icmUnknown *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 1); /* 1 byte for each unknown data */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUnknown_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUnknown *p = (icmUnknown *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmUnknown_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUnknown_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUnknown_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/1; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - p->uttype = (icTagTypeSignature)read_SInt32Number(bp); - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 1) { - p->data[i] = read_UInt8Number(bp); - } - icp->al->free(p->icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUnknown_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUnknown *p = (icmUnknown *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUnknown_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUnknown_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->uttype,bp)) != 0) { - sprintf(icp->err,"icmUnknown_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp += 8; /* Skip padding */ - - /* Write all the data to the buffer */ - for (i = 0; i < p->size; i++, bp += 1) { - if ((rv = write_UInt8Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmUnknown_write: write_UInt8umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUnknown_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUnknown_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUnknown *p = (icmUnknown *)pp; - unsigned int i, ii, r, ph; - - if (verb <= 1) - return; - - op->gprintf(op,"Unknown:\n"); - op->gprintf(op," Payload size in bytes = %u\n",p->size); - - /* Print one row of binary and ASCII interpretation if verb == 2, All if == 3 */ - /* else print all of it. */ - ii = i = ph = 0; - for (r = 1;; r++) { /* count rows */ - int c = 1; /* Character location */ - - c = 1; - if (ph != 0) { /* Print ASCII under binary */ - op->gprintf(op," "); - i = ii; /* Swap */ - c += 12; - } else { - op->gprintf(op," 0x%04lx: ",i); - ii = i; /* Swap */ - c += 12; - } - while (i < p->size && c < 60) { - if (ph == 0) - op->gprintf(op,"%02x ",p->data[i]); - else { - if (isprint(p->data[i])) - op->gprintf(op,"%c ",p->data[i]); - else - op->gprintf(op," ",p->data[i]); - } - c += 3; - i++; - } - if (ph == 0 || i < p->size) - op->gprintf(op,"\n"); - - if (ph == 1 && i >= p->size) { - op->gprintf(op,"\n"); - break; - } - if (ph == 1 && r > 1 && verb < 3) { - op->gprintf(op," ...\n"); - break; /* Print 1 row if not verbose */ - } - - if (ph == 0) - ph = 1; - else - ph = 0; - - } -} - -/* Allocate variable sized data elements */ -static int icmUnknown_allocate( - icmBase *pp -) { - icmUnknown *p = (icmUnknown *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(unsigned char))) { - sprintf(icp->err,"icmUnknown_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (unsigned char *) icp->al->calloc(icp->al, p->size, sizeof(unsigned char))) - == NULL) { - sprintf(icp->err,"icmUnknown_alloc: malloc() of icmUnknown data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUnknown_delete( - icmBase *pp -) { - icmUnknown *p = (icmUnknown *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUnknown( - icc *icp -) { - icmUnknown *p; - if ((p = (icmUnknown *) icp->al->calloc(icp->al,1,sizeof(icmUnknown))) == NULL) - return NULL; - p->ttype = icmSigUnknownType; - p->uttype = icmSigUnknownType; - p->refcount = 1; - p->get_size = icmUnknown_get_size; - p->read = icmUnknown_read; - p->write = icmUnknown_write; - p->dump = icmUnknown_dump; - p->allocate = icmUnknown_allocate; - p->del = icmUnknown_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmUInt8Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUInt8Array_get_size( - icmBase *pp -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 1); /* 1 byte for each UInt8 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUInt8Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmUInt8Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt8Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUInt8Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/1; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - icp->al->free(icp->al, buf); - sprintf(icp->err,"icmUInt8Array_read: Wrong tag type for icmUInt8Array"); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 1) { - p->data[i] = read_UInt8Number(bp); - } - icp->al->free(p->icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUInt8Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUInt8Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt8Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmUInt8Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp += 8; /* Skip padding */ - - /* Write all the data to the buffer */ - for (i = 0; i < p->size; i++, bp += 1) { - if ((rv = write_UInt8Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmUInt8Array_write: write_UInt8umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUInt8Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUInt8Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"UInt8Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: %u\n",i,p->data[i]); - } -} - -/* Allocate variable sized data elements */ -static int icmUInt8Array_allocate( - icmBase *pp -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(unsigned int))) { - sprintf(icp->err,"icmUInt8Array_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (unsigned int *) icp->al->calloc(icp->al, p->size, sizeof(unsigned int))) - == NULL) { - sprintf(icp->err,"icmUInt8Array_alloc: malloc() of icmUInt8Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUInt8Array_delete( - icmBase *pp -) { - icmUInt8Array *p = (icmUInt8Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUInt8Array( - icc *icp -) { - icmUInt8Array *p; - if ((p = (icmUInt8Array *) icp->al->calloc(icp->al,1,sizeof(icmUInt8Array))) == NULL) - return NULL; - p->ttype = icSigUInt8ArrayType; - p->refcount = 1; - p->get_size = icmUInt8Array_get_size; - p->read = icmUInt8Array_read; - p->write = icmUInt8Array_write; - p->dump = icmUInt8Array_dump; - p->allocate = icmUInt8Array_allocate; - p->del = icmUInt8Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmUInt16Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUInt16Array_get_size( - icmBase *pp -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 2); /* 2 bytes for each UInt16 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUInt16Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmUInt16Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt16Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUInt16Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/2; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmUInt16Array_read: Wrong tag type for icmUInt16Array"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 2) { - p->data[i] = read_UInt16Number(bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUInt16Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUInt16Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt16Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmUInt16Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 2) { - if ((rv = write_UInt16Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmUInt16Array_write: write_UInt16umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUInt16Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUInt16Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"UInt16Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: %u\n",i,p->data[i]); - } -} - -/* Allocate variable sized data elements */ -static int icmUInt16Array_allocate( - icmBase *pp -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(unsigned int))) { - sprintf(icp->err,"icmUInt16Array_alloc:: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (unsigned int *) icp->al->calloc(icp->al, p->size, sizeof(unsigned int))) - == NULL) { - sprintf(icp->err,"icmUInt16Array_alloc: malloc() of icmUInt16Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUInt16Array_delete( - icmBase *pp -) { - icmUInt16Array *p = (icmUInt16Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUInt16Array( - icc *icp -) { - icmUInt16Array *p; - if ((p = (icmUInt16Array *) icp->al->calloc(icp->al,1,sizeof(icmUInt16Array))) == NULL) - return NULL; - p->ttype = icSigUInt16ArrayType; - p->refcount = 1; - p->get_size = icmUInt16Array_get_size; - p->read = icmUInt16Array_read; - p->write = icmUInt16Array_write; - p->dump = icmUInt16Array_dump; - p->allocate = icmUInt16Array_allocate; - p->del = icmUInt16Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmUInt32Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUInt32Array_get_size( - icmBase *pp -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 4); /* 4 bytes for each UInt32 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUInt32Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmUInt32Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt32Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUInt32Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/4; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmUInt32Array_read: Wrong tag type for icmUInt32Array"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 4) { - p->data[i] = read_UInt32Number(bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUInt32Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUInt32Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt32Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmUInt32Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 4) { - if ((rv = write_UInt32Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmUInt32Array_write: write_UInt32umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUInt32Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUInt32Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"UInt32Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: %u\n",i,p->data[i]); - } -} - -/* Allocate variable sized data elements */ -static int icmUInt32Array_allocate( - icmBase *pp -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(unsigned int))) { - sprintf(icp->err,"icmUInt32Array_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (unsigned int *) icp->al->calloc(icp->al, p->size, sizeof(unsigned int))) - == NULL) { - sprintf(icp->err,"icmUInt32Array_alloc: malloc() of icmUInt32Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUInt32Array_delete( - icmBase *pp -) { - icmUInt32Array *p = (icmUInt32Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUInt32Array( - icc *icp -) { - icmUInt32Array *p; - if ((p = (icmUInt32Array *) icp->al->calloc(icp->al,1,sizeof(icmUInt32Array))) == NULL) - return NULL; - p->ttype = icSigUInt32ArrayType; - p->refcount = 1; - p->get_size = icmUInt32Array_get_size; - p->read = icmUInt32Array_read; - p->write = icmUInt32Array_write; - p->dump = icmUInt32Array_dump; - p->allocate = icmUInt32Array_allocate; - p->del = icmUInt32Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmUInt64Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUInt64Array_get_size( - icmBase *pp -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 8); /* 8 bytes for each UInt64 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUInt64Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmUInt64Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt64Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUInt64Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/8; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmUInt64Array_read: Wrong tag type for icmUInt64Array"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 8) { - read_UInt64Number(&p->data[i], bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUInt64Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUInt64Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUInt64Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmUInt64Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 8) { - if ((rv = write_UInt64Number(&p->data[i],bp)) != 0) { - sprintf(icp->err,"icmUInt64Array_write: write_UInt64umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUInt64Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUInt64Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"UInt64Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: h=%lu, l=%lu\n",i,p->data[i].h,p->data[i].l); - } -} - -/* Allocate variable sized data elements */ -static int icmUInt64Array_allocate( - icmBase *pp -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(icmUint64))) { - sprintf(icp->err,"icmUInt64Array_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmUint64 *) icp->al->calloc(icp->al, p->size, sizeof(icmUint64))) - == NULL) { - sprintf(icp->err,"icmUInt64Array_alloc: malloc() of icmUInt64Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUInt64Array_delete( - icmBase *pp -) { - icmUInt64Array *p = (icmUInt64Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUInt64Array( - icc *icp -) { - icmUInt64Array *p; - if ((p = (icmUInt64Array *) icp->al->calloc(icp->al,1,sizeof(icmUInt64Array))) == NULL) - return NULL; - p->ttype = icSigUInt64ArrayType; - p->refcount = 1; - p->get_size = icmUInt64Array_get_size; - p->read = icmUInt64Array_read; - p->write = icmUInt64Array_write; - p->dump = icmUInt64Array_dump; - p->allocate = icmUInt64Array_allocate; - p->del = icmUInt64Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmU16Fixed16Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmU16Fixed16Array_get_size( - icmBase *pp -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 4); /* 4 byte for each U16Fixed16 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmU16Fixed16Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmU16Fixed16Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmU16Fixed16Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmU16Fixed16Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/4; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmU16Fixed16Array_read: Wrong tag type for icmU16Fixed16Array"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 4) { - p->data[i] = read_U16Fixed16Number(bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmU16Fixed16Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmU16Fixed16Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmU16Fixed16Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmU16Fixed16Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 4) { - if ((rv = write_U16Fixed16Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmU16Fixed16Array_write: write_U16Fixed16umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmU16Fixed16Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmU16Fixed16Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"U16Fixed16Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: %f\n",i,p->data[i]); - } -} - -/* Allocate variable sized data elements */ -static int icmU16Fixed16Array_allocate( - icmBase *pp -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(double))) { - sprintf(icp->err,"icmU16Fixed16Array_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (double *) icp->al->calloc(icp->al, p->size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmU16Fixed16Array_alloc: malloc() of icmU16Fixed16Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmU16Fixed16Array_delete( - icmBase *pp -) { - icmU16Fixed16Array *p = (icmU16Fixed16Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmU16Fixed16Array( - icc *icp -) { - icmU16Fixed16Array *p; - if ((p = (icmU16Fixed16Array *) icp->al->calloc(icp->al,1,sizeof(icmU16Fixed16Array))) == NULL) - return NULL; - p->ttype = icSigU16Fixed16ArrayType; - p->refcount = 1; - p->get_size = icmU16Fixed16Array_get_size; - p->read = icmU16Fixed16Array_read; - p->write = icmU16Fixed16Array_write; - p->dump = icmU16Fixed16Array_dump; - p->allocate = icmU16Fixed16Array_allocate; - p->del = icmU16Fixed16Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmS15Fixed16Array object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmS15Fixed16Array_get_size( - icmBase *pp -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 4); /* 4 byte for each S15Fixed16 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmS15Fixed16Array_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmS15Fixed16Array_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmS15Fixed16Array_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmS15Fixed16Array_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/4; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmS15Fixed16Array_read: Wrong tag type for icmS15Fixed16Array"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 4) { - p->data[i] = read_S15Fixed16Number(bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmS15Fixed16Array_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmS15Fixed16Array_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmS15Fixed16Array_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmS15Fixed16Array_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 4) { - if ((rv = write_S15Fixed16Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmS15Fixed16Array_write: write_S15Fixed16umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmS15Fixed16Array_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmS15Fixed16Array_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"S15Fixed16Array:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %lu: %f\n",i,p->data[i]); - } -} - -/* Allocate variable sized data elements */ -static int icmS15Fixed16Array_allocate( - icmBase *pp -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(double))) { - sprintf(icp->err,"icmS15Fixed16Array_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (double *) icp->al->calloc(icp->al, p->size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmS15Fixed16Array_alloc: malloc() of icmS15Fixed16Array data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmS15Fixed16Array_delete( - icmBase *pp -) { - icmS15Fixed16Array *p = (icmS15Fixed16Array *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmS15Fixed16Array( - icc *icp -) { - icmS15Fixed16Array *p; - if ((p = (icmS15Fixed16Array *) icp->al->calloc(icp->al,1,sizeof(icmS15Fixed16Array))) == NULL) - return NULL; - p->ttype = icSigS15Fixed16ArrayType; - p->refcount = 1; - p->get_size = icmS15Fixed16Array_get_size; - p->read = icmS15Fixed16Array_read; - p->write = icmS15Fixed16Array_write; - p->dump = icmS15Fixed16Array_dump; - p->allocate = icmS15Fixed16Array_allocate; - p->del = icmS15Fixed16Array_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ - -/* Data conversion support functions */ -static int write_XYZNumber(icmXYZNumber *p, char *d) { - int rv; - if ((rv = write_S15Fixed16Number(p->X, d + 0)) != 0) - return rv; - if ((rv = write_S15Fixed16Number(p->Y, d + 4)) != 0) - return rv; - if ((rv = write_S15Fixed16Number(p->Z, d + 8)) != 0) - return rv; - return 0; -} - -static int read_XYZNumber(icmXYZNumber *p, char *d) { - p->X = read_S15Fixed16Number(d + 0); - p->Y = read_S15Fixed16Number(d + 4); - p->Z = read_S15Fixed16Number(d + 8); - return 0; -} - - -/* Helper: Return a string that shows the XYZ number value */ -static char *string_XYZNumber(icmXYZNumber *p) { - static char buf[40]; - - sprintf(buf,"%f, %f, %f", p->X, p->Y, p->Z); - return buf; -} - -/* Helper: Return a string that shows the XYZ number value, */ -/* and the Lab D50 number in paren. Note the buffer will be re-used on every call. */ -static char *string_XYZNumber_and_Lab(icmXYZNumber *p) { - static char buf[100]; - double lab[3]; - lab[0] = p->X; - lab[1] = p->Y; - lab[2] = p->Z; - icmXYZ2Lab(&icmD50, lab, lab); - snprintf(buf,sizeof(buf),"%f, %f, %f [Lab %f, %f, %f]", p->X, p->Y, p->Z, lab[0], lab[1], lab[2]); - return buf; -} - -/* icmXYZArray object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmXYZArray_get_size( - icmBase *pp -) { - icmXYZArray *p = (icmXYZArray *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 12); /* 12 bytes for each XYZ */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmXYZArray_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmXYZArray *p = (icmXYZArray *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, size; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmXYZArray_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmXYZArray_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmXYZArray_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 8)/12; /* Number of elements in the array */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmXYZArray_read: Wrong tag type for icmXYZArray"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read all the data from the buffer */ - for (i = 0; i < size; i++, bp += 12) { - read_XYZNumber(&p->data[i], bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmXYZArray_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmXYZArray *p = (icmXYZArray *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmXYZArray_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmXYZArray_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmXYZArray_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - for (i = 0; i < p->size; i++, bp += 12) { - if ((rv = write_XYZNumber(&p->data[i],bp)) != 0) { - sprintf(icp->err,"icmXYZArray_write: write_XYZumber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmXYZArray_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmXYZArray_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmXYZArray *p = (icmXYZArray *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"XYZArray:\n"); - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) { - op->gprintf(op," %lu: %s\n",i,string_XYZNumber_and_Lab(&p->data[i])); - - } - } -} - -/* Allocate variable sized data elements */ -static int icmXYZArray_allocate( - icmBase *pp -) { - icmXYZArray *p = (icmXYZArray *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(icmXYZNumber))) { - sprintf(icp->err,"icmXYZArray_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmXYZNumber *) icp->al->malloc(icp->al, sat_mul(p->size, sizeof(icmXYZNumber)))) == NULL) { - sprintf(icp->err,"icmXYZArray_alloc: malloc() of icmXYZArray data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmXYZArray_delete( - icmBase *pp -) { - icmXYZArray *p = (icmXYZArray *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmXYZArray( - icc *icp -) { - icmXYZArray *p; - if ((p = (icmXYZArray *) icp->al->calloc(icp->al,1,sizeof(icmXYZArray))) == NULL) - return NULL; - p->ttype = icSigXYZArrayType; - p->refcount = 1; - p->get_size = icmXYZArray_get_size; - p->read = icmXYZArray_read; - p->write = icmXYZArray_write; - p->dump = icmXYZArray_dump; - p->allocate = icmXYZArray_allocate; - p->del = icmXYZArray_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmCurve object */ - -/* Do a forward lookup through the curve */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmCurve_lookup_fwd( - icmCurve *p, - double *out, - double *in -) { - int rv = 0; - if (p->flag == icmCurveLin) { - *out = *in; - } else if (p->flag == icmCurveGamma) { - double val = *in; - if (val <= 0.0) - *out = 0.0; - else - *out = pow(val, p->data[0]); - } else if (p->size == 0) { /* Table of 0 size */ - *out = *in; - } else { /* Use linear interpolation */ - unsigned int ix; - double val, w; - double inputEnt_1 = (double)(p->size-1); - - val = *in * inputEnt_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > inputEnt_1) { - val = inputEnt_1; - rv |= 1; - } - ix = (unsigned int)floor(val); /* Coordinate */ - if (ix > (p->size-2)) - ix = (p->size-2); - w = val - (double)ix; /* weight */ - val = p->data[ix]; - *out = val + w * (p->data[ix+1] - val); - } - return rv; -} - -/* - - - - - - - - - - - - */ -/* Support for reverse interpolation of 1D lookup tables */ - -/* Create a reverse curve lookup acceleration table */ -/* return non-zero on error, 2 = malloc error. */ -static int icmTable_setup_bwd( - icc *icp, /* Base icc object */ - icmRevTable *rt, /* Reverse table data to setup */ - unsigned int size, /* Size of fwd table */ - double *data /* Table */ -) { - unsigned int i; - - rt->size = size; /* Stash pointers to these away */ - rt->data = data; - - /* Find range of output values */ - rt->rmin = 1e300; - rt->rmax = -1e300; - for (i = 0; i < rt->size; i++) { - if (rt->data[i] > rt->rmax) - rt->rmax = rt->data[i]; - if (rt->data[i] < rt->rmin) - rt->rmin = rt->data[i]; - } - - /* Decide on reverse granularity */ - rt->rsize = sat_add(rt->size,2)/2; - rt->qscale = (double)rt->rsize/(rt->rmax - rt->rmin); /* Scale factor to quantize to */ - - if (ovr_mul(rt->size, sizeof(unsigned int *))) { - return 2; - } - /* Initialize the reverse lookup structures, and get overall min/max */ - if ((rt->rlists = (unsigned int **) icp->al->calloc(icp->al, rt->rsize, sizeof(unsigned int *))) == NULL) { - return 2; - } - - /* Assign each output value range bucket lists it intersects */ - for (i = 0; i < (rt->size-1); i++) { - unsigned int s, e, j; /* Start and end indexes (inclusive) */ - s = (unsigned int)((rt->data[i] - rt->rmin) * rt->qscale); - e = (unsigned int)((rt->data[i+1] - rt->rmin) * rt->qscale); - if (s >= rt->rsize) - s = rt->rsize-1; - if (e >= rt->rsize) - e = rt->rsize-1; - if (s > e) { /* swap */ - unsigned int t; - t = s; s = e; e = t; - } - - /* For all buckets that may contain this output range, add index of this output */ - for (j = s; j <= e; j++) { - unsigned int as; /* Allocation size */ - unsigned int nf; /* Next free slot */ - if (rt->rlists[j] == NULL) { /* No allocation */ - as = 5; /* Start with space for 5 */ - if ((rt->rlists[j] = (unsigned int *) icp->al->calloc(icp->al, as, sizeof(unsigned int))) == NULL) { - return 2; - } - rt->rlists[j][0] = as; - nf = rt->rlists[j][1] = 2; - } else { - as = rt->rlists[j][0]; /* Allocate space for this list */ - nf = rt->rlists[j][1]; /* Next free location in list */ - if (nf >= as) { /* need to expand space */ - if ((as = sat_mul(as, 2)) == UINT_MAX - || ovr_mul(as, sizeof(unsigned int))) { - return 2; - } - rt->rlists[j] = (unsigned int *) icp->al->realloc(icp->al,rt->rlists[j], as * sizeof(unsigned int)); - if (rt->rlists[j] == NULL) { - return 2; - } - rt->rlists[j][0] = as; - } - } - rt->rlists[j][nf++] = i; - rt->rlists[j][1] = nf; - } - } - rt->inited = 1; - return 0; -} - -/* Free up any data */ -static void icmTable_delete_bwd( - icc *icp, /* Base icc */ - icmRevTable *rt /* Reverse table data to setup */ -) { - if (rt->inited != 0) { - while (rt->rsize > 0) - icp->al->free(icp->al, rt->rlists[--rt->rsize]); - icp->al->free(icp->al, rt->rlists); - rt->size = 0; /* Don't keep these */ - rt->data = NULL; - } -} - -/* Do a reverse lookup through the curve */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmTable_lookup_bwd( - icmRevTable *rt, - double *out, - double *in -) { - int rv = 0; - unsigned int ix, k, i; - double oval, ival = *in, val; - double rsize_1; - - /* Find appropriate reverse list */ - rsize_1 = (double)(rt->rsize-1); - val = ((ival - rt->rmin) * rt->qscale); - if (val < 0.0) - val = 0.0; - else if (val > rsize_1) - val = rsize_1; - ix = (unsigned int)floor(val); /* Coordinate */ - - if (ix > (rt->size-2)) - ix = (rt->size-2); - if (rt->rlists[ix] != NULL) { /* There is a list of fwd candidates */ - /* For each candidate forward range */ - for (i = 2; i < rt->rlists[ix][1]; i++) { /* For all fwd indexes */ - double lv,hv; - k = rt->rlists[ix][i]; /* Base index */ - lv = rt->data[k]; - hv = rt->data[k+1]; - if ((ival >= lv && ival <= hv) /* If this slot contains output value */ - || (ival >= hv && ival <= lv)) { - /* Reverse linear interpolation */ - if (hv == lv) { /* Technically non-monotonic - due to quantization ? */ - oval = (k + 0.5)/(rt->size-1.0); - } else - oval = (k + ((ival - lv)/(hv - lv)))/(rt->size-1.0); - /* If we kept looking, we would find multiple */ - /* solution for non-monotonic curve */ - *out = oval; - return rv; - } - } - } - - /* We have failed to find an exact value, so return the nearest value */ - /* (This is slow !) */ - val = fabs(ival - rt->data[0]); - for (k = 0, i = 1; i < rt->size; i++) { - double er; - er = fabs(ival - rt->data[i]); - if (er < val) { /* new best */ - val = er; - k = i; - } - } - *out = k/(rt->size-1.0); - rv |= 1; - return rv; -} - - -/* - - - - - - - - - - - - */ - -/* Do a reverse lookup through the curve */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmCurve_lookup_bwd( - icmCurve *p, - double *out, - double *in -) { - icc *icp = p->icp; - int rv = 0; - if (p->flag == icmCurveLin) { - *out = *in; - } else if (p->flag == icmCurveGamma) { - double val = *in; - if (val <= 0.0) - *out = 0.0; - else - *out = pow(val, 1.0/p->data[0]); - } else if (p->size == 0) { /* Table of 0 size */ - *out = *in; - } else { /* Use linear interpolation */ - if (p->rt.inited == 0) { - rv = icmTable_setup_bwd(icp, &p->rt, p->size, p->data); - if (rv != 0) { - sprintf(icp->err,"icmCurve_lookup: Malloc failure in reverse lookup init."); - return icp->errc = rv; - } - } - rv = icmTable_lookup_bwd(&p->rt, out, in); - } - return rv; -} - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmCurve_get_size( - icmBase *pp -) { - icmCurve *p = (icmCurve *)pp; - unsigned int len = 0; - len = sat_add(len, 12); /* 12 bytes for tag, padding and count */ - len = sat_addmul(len, p->size, 2); /* 2 bytes for each UInt16 */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmCurve_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmCurve *p = (icmCurve *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i; - char *bp, *buf, *end; - - if (len < 12) { - sprintf(icp->err,"icmCurve_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmCurve_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmCurve_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmCurve_read: Wrong tag type for icmCurve"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - p->size = read_UInt32Number(bp+8); - bp = bp + 12; - - /* Set flag up before allocating */ - if (p->size == 0) { /* Linear curve */ - p->flag = icmCurveLin; - } else if (p->size == 1) { /* Gamma curve */ - p->flag = icmCurveGamma; - } else { - p->flag = icmCurveSpec; - if (p->size > (len - 12)/2) { - sprintf(icp->err,"icmCurve_read: size overflow"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - if (p->flag == icmCurveGamma) { /* Gamma curve */ - if (bp > end || 1 > (end - bp)) { - sprintf(icp->err,"icmCurve_read: Data too short for curve gamma"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->data[0] = read_U8Fixed8Number(bp); - } else if (p->flag == icmCurveSpec) { - /* Read all the data from the buffer */ - for (i = 0; i < p->size; i++, bp += 2) { - if (bp > end || 2 > (end - bp)) { - sprintf(icp->err,"icmCurve_read: Data too short for curve value"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->data[i] = read_DCS16Number(bp); - } - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmCurve_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmCurve *p = (icmCurve *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmCurve_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmCurve_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmCurve_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write count */ - if ((rv = write_UInt32Number(p->size,bp+8)) != 0) { - sprintf(icp->err,"icmCurve_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write all the data to the buffer */ - bp += 12; /* Skip padding */ - if (p->flag == icmCurveLin) { - if (p->size != 0) { - sprintf(icp->err,"icmCurve_write: Must be exactly 0 entry for Linear"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } else if (p->flag == icmCurveGamma) { - if (p->size != 1) { - sprintf(icp->err,"icmCurve_write: Must be exactly 1 entry for Gamma"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if ((rv = write_U8Fixed8Number(p->data[0],bp)) != 0) { - sprintf(icp->err,"icmCurve_write: write_U8Fixed8umber(%f) failed",p->data[0]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } else if (p->flag == icmCurveSpec) { - if (p->size < 2) { - sprintf(icp->err,"icmCurve_write: Must be 2 or more entries for Specified curve"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - for (i = 0; i < p->size; i++, bp += 2) { - if ((rv = write_DCS16Number(p->data[i],bp)) != 0) { - sprintf(icp->err,"icmCurve_write: write_UInt16umber(%f) failed",p->data[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmCurve_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmCurve_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmCurve *p = (icmCurve *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Curve:\n"); - - if (p->flag == icmCurveLin) { - op->gprintf(op," Curve is linear\n"); - } else if (p->flag == icmCurveGamma) { - op->gprintf(op," Curve is gamma of %f\n",p->data[0]); - } else { - op->gprintf(op," No. elements = %lu\n",p->size); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->size; i++) - op->gprintf(op," %3lu: %f\n",i,p->data[i]); - } - } -} - -/* Allocate variable sized data elements */ -static int icmCurve_allocate( - icmBase *pp -) { - icmCurve *p = (icmCurve *)pp; - icc *icp = p->icp; - - if (p->flag == icmCurveUndef) { - sprintf(icp->err,"icmCurve_alloc: flag not set"); - return icp->errc = 1; - } else if (p->flag == icmCurveLin) { - p->size = 0; - } else if (p->flag == icmCurveGamma) { - p->size = 1; - } - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(double))) { - sprintf(icp->err,"icmCurve_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (double *) icp->al->calloc(icp->al, p->size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmCurve_alloc: malloc() of icmCurve data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmCurve_delete( - icmBase *pp -) { - icmCurve *p = (icmCurve *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icmTable_delete_bwd(icp, &p->rt); /* Free reverse table info */ - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmCurve( - icc *icp -) { - icmCurve *p; - if ((p = (icmCurve *) icp->al->calloc(icp->al,1,sizeof(icmCurve))) == NULL) - return NULL; - p->ttype = icSigCurveType; - p->refcount = 1; - p->get_size = icmCurve_get_size; - p->read = icmCurve_read; - p->write = icmCurve_write; - p->dump = icmCurve_dump; - p->allocate = icmCurve_allocate; - p->del = icmCurve_delete; - p->icp = icp; - - p->lookup_fwd = icmCurve_lookup_fwd; - p->lookup_bwd = icmCurve_lookup_bwd; - - p->rt.inited = 0; - - p->flag = icmCurveUndef; - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmData object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmData_get_size( - icmBase *pp -) { - icmData *p = (icmData *)pp; - unsigned int len = 0; - len = sat_add(len, 12); /* 12 bytes for tag and padding */ - len = sat_addmul(len, p->size, 1); /* 1 byte for each data element */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmData_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmData *p = (icmData *)pp; - icc *icp = p->icp; - int rv; - unsigned size, f; - char *bp, *buf; - - if (len < 12) { - sprintf(icp->err,"icmData_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmData_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmData_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = size = (len - 12)/1; /* Number of elements in the array */ - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmData_read: Wrong tag type for icmData"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Read the data type flag */ - f = read_UInt32Number(bp+8); - if (f == 0) { - p->flag = icmDataASCII; - } else if (f == 1) { - p->flag = icmDataBin; -#ifndef ICM_STRICT /* Profile maker sometimes has a problem */ - } else if (f == 0x01000000) { - p->flag = icmDataBin; -#endif - } else { - sprintf(icp->err,"icmData_read: Unknown flag value 0x%x",f); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 12; /* Skip padding and flag */ - - if (p->size > 0) { - if (p->flag == icmDataASCII) { - if ((rv = check_null_string(bp,p->size)) == 1) { - sprintf(icp->err,"icmData_read: ACSII is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - } - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - memmove((void *)p->data, (void *)bp, p->size); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmData_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmData *p = (icmData *)pp; - icc *icp = p->icp; - unsigned int len, f; - char *bp, *buf; /* Buffer to write from */ - int rv; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmData_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmData_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmData_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - switch(p->flag) { - case icmDataASCII: - f = 0; - break; - case icmDataBin: - f = 1; - break; - default: - sprintf(icp->err,"icmData_write: Unknown Data Flag value"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Write data flag descriptor to the buffer */ - if ((rv = write_UInt32Number(f,bp+8)) != 0) { - sprintf(icp->err,"icmData_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp += 12; /* Skip padding */ - - if (p->data != NULL) { - if (p->flag == icmDataASCII) { - if ((rv = check_null_string((char *)p->data, p->size)) == 1) { - sprintf(icp->err,"icmData_write: ASCII is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - } - memmove((void *)bp, (void *)p->data, p->size); - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmData_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmData_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmData *p = (icmData *)pp; - unsigned int i, r, c, ii, size = 0; - int ph = 0; /* Phase */ - - if (verb <= 0) - return; - - op->gprintf(op,"Data:\n"); - switch(p->flag) { - case icmDataASCII: - op->gprintf(op," ASCII data\n"); - size = p->size > 0 ? p->size-1 : 0; - break; - case icmDataBin: - op->gprintf(op," Binary data\n"); - size = p->size; - break; - case icmDataUndef: - op->gprintf(op," Undefined data\n"); - size = p->size; - break; - } - op->gprintf(op," No. elements = %lu\n",p->size); - - ii = i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - - c = 1; - if (ph != 0) { /* Print ASCII under binary */ - op->gprintf(op," "); - i = ii; - c += 11; - } else { - op->gprintf(op," 0x%04lx: ",i); - ii = i; - c += 10; - } - while (i < size && c < 75) { - if (p->flag == icmDataASCII) { - if (isprint(p->data[i])) { - op->gprintf(op,"%c",p->data[i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->data[i]); - c += 4; - } - } else { - if (ph == 0) - op->gprintf(op,"%02x ",p->data[i]); - else { - if (isprint(p->data[i])) - op->gprintf(op," %c ",p->data[i]); - else - op->gprintf(op," ",p->data[i]); - } - c += 3; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - if (verb > 2 && p->flag != icmDataASCII && ph == 0) - ph = 1; - else - ph = 0; - } -} - -/* Allocate variable sized data elements */ -static int icmData_allocate( - icmBase *pp -) { - icmData *p = (icmData *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(unsigned char))) { - sprintf(icp->err,"icmData_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (unsigned char *) icp->al->calloc(icp->al, p->size, sizeof(unsigned char))) == NULL) { - sprintf(icp->err,"icmData_alloc: malloc() of icmData data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmData_delete( - icmBase *pp -) { - icmData *p = (icmData *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmData( - icc *icp -) { - icmData *p; - if ((p = (icmData *) icp->al->calloc(icp->al,1,sizeof(icmData))) == NULL) - return NULL; - p->ttype = icSigDataType; - p->refcount = 1; - p->get_size = icmData_get_size; - p->read = icmData_read; - p->write = icmData_write; - p->dump = icmData_dump; - p->allocate = icmData_allocate; - p->del = icmData_delete; - p->icp = icp; - - p->flag = icmDataUndef; - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmText object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmText_get_size( - icmBase *pp -) { - icmText *p = (icmText *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addmul(len, p->size, 1); /* 1 byte for each character element (inc. null) */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmText_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmText *p = (icmText *)pp; - icc *icp = p->icp; - int rv; - char *bp, *buf; - - if (len < 8) { - sprintf(icp->err,"icmText_read: Tag too short to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmText_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmText_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = (len - 8)/1; /* Number of elements in the array */ - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmText_read: Wrong tag type for icmText"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp = bp + 8; - - if (p->size > 0) { - if ((rv = check_null_string(bp,p->size)) == 1) { - sprintf(icp->err,"icmText_read: text is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - memmove((void *)p->data, (void *)bp, p->size); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmText_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmText *p = (icmText *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmText_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmText_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmText_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp = bp + 8; - - if (p->data != NULL) { - if ((rv = check_null_string(p->data, p->size)) == 1) { - sprintf(icp->err,"icmText_write: text is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - memmove((void *)bp, (void *)p->data, p->size); - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmText_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmText_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmText *p = (icmText *)pp; - unsigned int i, r, c, size; - - if (verb <= 0) - return; - - op->gprintf(op,"Text:\n"); - op->gprintf(op," No. chars = %lu\n",p->size); - - size = p->size > 0 ? p->size-1 : 0; - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 75) { - if (isprint(p->data[i])) { - op->gprintf(op,"%c",p->data[i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->data[i]); - c += 4; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } -} - -/* Allocate variable sized data elements */ -static int icmText_allocate( - icmBase *pp -) { - icmText *p = (icmText *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(char))) { - sprintf(icp->err,"icmText_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (char *) icp->al->calloc(icp->al, p->size, sizeof(char))) == NULL) { - sprintf(icp->err,"icmText_alloc: malloc() of icmText data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmText_delete( - icmBase *pp -) { - icmText *p = (icmText *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmText( - icc *icp -) { - icmText *p; - if ((p = (icmText *) icp->al->calloc(icp->al,1,sizeof(icmText))) == NULL) - return NULL; - p->ttype = icSigTextType; - p->refcount = 1; - p->get_size = icmText_get_size; - p->read = icmText_read; - p->write = icmText_write; - p->dump = icmText_dump; - p->allocate = icmText_allocate; - p->del = icmText_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ - -/* Data conversion support functions */ -static int write_DateTimeNumber(icmDateTimeNumber *p, char *d) { - int rv; - if (p->year < 1900 || p->year > 3000 - || p->month == 0 || p->month > 12 - || p->day == 0 || p->day > 31 - || p->hours > 23 - || p->minutes > 59 - || p->seconds > 59) - return 1; - - if ((rv = write_UInt16Number(p->year, d + 0)) != 0) - return rv; - if ((rv = write_UInt16Number(p->month, d + 2)) != 0) - return rv; - if ((rv = write_UInt16Number(p->day, d + 4)) != 0) - return rv; - if ((rv = write_UInt16Number(p->hours, d + 6)) != 0) - return rv; - if ((rv = write_UInt16Number(p->minutes, d + 8)) != 0) - return rv; - if ((rv = write_UInt16Number(p->seconds, d + 10)) != 0) - return rv; - return 0; -} - -static int read_DateTimeNumber(icmDateTimeNumber *p, char *d) { - - p->year = read_UInt16Number(d + 0); - p->month = read_UInt16Number(d + 2); - p->day = read_UInt16Number(d + 4); - p->hours = read_UInt16Number(d + 6); - p->minutes = read_UInt16Number(d + 8); - p->seconds = read_UInt16Number(d + 10); - - /* Sanity check the date and time */ - if (p->year >= 1900 && p->year <= 3000 - && p->month != 0 && p->month <= 12 - && p->day != 0 && p->day <= 31 - && p->hours <= 23 - && p->minutes <= 59 - && p->seconds <= 59) - return 0; - -#ifdef NEVER - printf("Raw year = %d, month = %d, day = %d\n",p->year, p->month, p->day); - printf("Raw hour = %d, minutes = %d, seconds = %d\n", p->hours, p->minutes, p->seconds); -#endif /* NEVER */ - -#ifdef ICM_STRICT - return 1; /* Not legal */ - -#else - /* Be more forgiving */ - - /* Check for Adobe problem */ - if (p->month >= 1900 && p->month <= 3000 - && p->year != 0 && p->year <= 12 - && p->hours != 0 && p->hours <= 31 - && p->day <= 23 - && p->seconds <= 59 - && p->minutes <= 59) { - unsigned int tt; - - /* Correct Adobe's faulty profile */ - tt = p->month; p->month = p->year; p->year = tt; - tt = p->hours; p->hours = p->day; p->day = tt; - tt = p->seconds; p->seconds = p->minutes; p->minutes = tt; - - return 0; - } - - /* Hmm. some other sort of corruption. Limit values to sane */ - if (p->year < 1900) { - if (p->year < 100) /* Hmm. didn't use 4 digit year, guess it's 19xx ? */ - p->year += 1900; - else - p->year = 1900; - } else if (p->year > 3000) - p->year = 3000; - - if (p->month == 0) - p->month = 1; - else if (p->month > 12) - p->month = 12; - - if (p->day == 0) - p->day = 1; - else if (p->day > 31) - p->day = 31; - - if (p->hours > 23) - p->hours = 23; - - if (p->minutes > 59) - p->minutes = 59; - - if (p->seconds > 59) - p->seconds = 59; - - return 0; -#endif -} - -/* Return a string that shows the given date and time */ -static char *string_DateTimeNumber(icmDateTimeNumber *p) { - static const char *mstring[13] = {"Bad", "Jan","Feb","Mar","Apr","May","Jun", - "Jul","Aug","Sep","Oct","Nov","Dec"}; - static char buf[80]; - - sprintf(buf,"%d %s %4d, %d:%02d:%02d", - p->day, mstring[p->month > 12 ? 0 : p->month], p->year, - p->hours, p->minutes, p->seconds); - return buf; -} - -/* Set the DateTime structure to the current date and time */ -static void setcur_DateTimeNumber(icmDateTimeNumber *p) { - time_t cclk; - struct tm *ctm; - - cclk = time(NULL); - ctm = localtime(&cclk); - - p->year = ctm->tm_year + 1900; - p->month = ctm->tm_mon + 1; - p->day = ctm->tm_mday; - p->hours = ctm->tm_hour; - p->minutes = ctm->tm_min; - p->seconds = ctm->tm_sec; -} - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmDateTimeNumber_get_size( - icmBase *pp -) { - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 12); /* 12 bytes for Date & Time */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmDateTimeNumber_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmDateTimeNumber *p = (icmDateTimeNumber *)pp; - icc *icp = p->icp; - int rv; - char *bp, *buf; - - if (len < 20) { - sprintf(icp->err,"icmDateTimeNumber_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmDateTimeNumber_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmDateTimeNumber_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmDateTimeNumber_read: Wrong tag type for icmDateTimeNumber"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - /* Read the time and date from buffer */ - if((rv = read_DateTimeNumber(p, bp)) != 0) { - sprintf(icp->err,"icmDateTimeNumber_read: Corrupted DateTime"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmDateTimeNumber_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmDateTimeNumber *p = (icmDateTimeNumber *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmDateTimeNumber_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmDateTimeNumber_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmDateTimeNumber_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write all the data to the buffer */ - bp += 8; /* Skip padding */ - if ((rv = write_DateTimeNumber(p, bp)) != 0) { - sprintf(icp->err,"icmDateTimeNumber_write: write_DateTimeNumber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmDateTimeNumber_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmDateTimeNumber_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmDateTimeNumber *p = (icmDateTimeNumber *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"DateTimeNumber:\n"); - op->gprintf(op," Date = %s\n", string_DateTimeNumber(p)); -} - -/* Allocate variable sized data elements */ -static int icmDateTimeNumber_allocate( - icmBase *pp -) { - /* Nothing to do */ - return 0; -} - -/* Free all storage in the object */ -static void icmDateTimeNumber_delete( - icmBase *pp -) { - icmDateTimeNumber *p = (icmDateTimeNumber *)pp; - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmDateTimeNumber( - icc *icp -) { - icmDateTimeNumber *p; - if ((p = (icmDateTimeNumber *) icp->al->calloc(icp->al,1,sizeof(icmDateTimeNumber))) == NULL) - return NULL; - p->ttype = icSigDateTimeType; - p->refcount = 1; - p->get_size = icmDateTimeNumber_get_size; - p->read = icmDateTimeNumber_read; - p->write = icmDateTimeNumber_write; - p->dump = icmDateTimeNumber_dump; - p->allocate = icmDateTimeNumber_allocate; - p->del = icmDateTimeNumber_delete; - p->icp = icp; - - setcur_DateTimeNumber(p); /* Default to current date and time */ - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmLut object */ - -/* Check if the matrix is non-zero */ -static int icmLut_nu_matrix( - icmLut *p /* Pointer to Lut object */ -) { - int i, j; - - for (j = 0; j < 3; j++) { /* Rows */ - for (i = 0; i < 3; i++) { /* Columns */ - if ( (i == j && p->e[j][i] != 1.0) - || (i != j && p->e[j][i] != 0.0)) - return 1; - } - } - return 0; -} - -/* return the locations of the minimum and */ -/* maximum values of the given channel, in the clut */ -static void icmLut_min_max( - icmLut *p, /* Pointer to Lut object */ - double *minp, /* Return position of min/max */ - double *maxp, - int chan /* Channel, -1 for average of all */ -) { - double *tp; - double minv, maxv; /* Values */ - unsigned int e, ee, f; - int gc[MAX_CHAN]; /* Grid coordinate */ - - minv = 1e6; - maxv = -1e6; - - for (e = 0; e < p->inputChan; e++) - gc[e] = 0; /* init coords */ - - /* Search the whole table */ - for (tp = p->clutTable, e = 0; e < p->inputChan; tp += p->outputChan) { - double v; - if (chan == -1) { - for (v = 0.0, f = 0; f < p->outputChan; f++) - v += tp[f]; - } else { - v = tp[chan]; - } - if (v < minv) { - minv = v; - for (ee = 0; ee < p->inputChan; ee++) - minp[ee] = gc[ee]/(p->clutPoints-1.0); - } - if (v > maxv) { - maxv = v; - for (ee = 0; ee < p->inputChan; ee++) - maxp[ee] = gc[ee]/(p->clutPoints-1.0); - } - - /* Increment coord */ - for (e = 0; e < p->inputChan; e++) { - if (++gc[e] < p->clutPoints) - break; /* No carry */ - gc[e] = 0; - } - } -} - -/* Convert XYZ throught Luts matrix */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmLut_lookup_matrix( -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[outputChan] in ICC order - see Table 39 in 6.5.5 */ -double *in /* Input array[inputChan] */ -) { - double t0,t1; /* Take care if out == in */ - t0 = p->e[0][0] * in[0] + p->e[0][1] * in[1] + p->e[0][2] * in[2]; - t1 = p->e[1][0] * in[0] + p->e[1][1] * in[1] + p->e[1][2] * in[2]; - out[2] = p->e[2][0] * in[0] + p->e[2][1] * in[1] + p->e[2][2] * in[2]; - out[0] = t0; - out[1] = t1; - - return 0; -} - -/* Convert normalized numbers though this Luts input tables. */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmLut_lookup_input( -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[inputChan] */ -double *in /* Input array[inputChan] */ -) { - int rv = 0; - unsigned int ix, n; - double inputEnt_1 = (double)(p->inputEnt-1); - double *table = p->inputTable; - - if (p->inputEnt == 0) { /* Hmm. */ - for (n = 0; n < p->inputChan; n++) - out[n] = in[n]; - } else { - /* Use linear interpolation */ - for (n = 0; n < p->inputChan; n++, table += p->inputEnt) { - double val, w; - val = in[n] * inputEnt_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > inputEnt_1) { - val = inputEnt_1; - rv |= 1; - } - ix = (unsigned int)floor(val); /* Grid coordinate */ - if (ix > (p->inputEnt-2)) - ix = (p->inputEnt-2); - w = val - (double)ix; /* weight */ - val = table[ix]; - out[n] = val + w * (table[ix+1] - val); - } - } - return rv; -} - -/* Convert normalized numbers though this Luts multi-dimensional table. */ -/* using multi-linear interpolation. */ -static int icmLut_lookup_clut_nl( -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[inputChan] */ -double *in /* Input array[outputChan] */ -) { - icc *icp = p->icp; - int rv = 0; - double *gp; /* Pointer to grid cube base */ - double co[MAX_CHAN]; /* Coordinate offset with the grid cell */ - double *gw, GW[1 << 8]; /* weight for each grid cube corner */ - - if (p->inputChan <= 8) { - gw = GW; /* Use stack allocation */ - } else { - if ((gw = (double *) icp->al->malloc(icp->al, sat_mul((1 << p->inputChan), sizeof(double)))) == NULL) { - sprintf(icp->err,"icmLut_lookup_clut: malloc() failed"); - return icp->errc = 2; - } - } - - /* We are using an multi-linear (ie. Trilinear for 3D input) interpolation. */ - /* The implementation here uses more multiplies that some other schemes, */ - /* (for instance, see "Tri-Linear Interpolation" by Steve Hill, */ - /* Graphics Gems IV, page 521), but has less involved bookeeping, */ - /* needs less local storage for intermediate output values, does fewer */ - /* output and intermediate value reads, and fp multiplies are fast on */ - /* todays processors! */ - - /* Compute base index into grid and coordinate offsets */ - { - unsigned int e; - double clutPoints_1 = (double)(p->clutPoints-1); - int clutPoints_2 = p->clutPoints-2; - gp = p->clutTable; /* Base of grid array */ - - for (e = 0; e < p->inputChan; e++) { - unsigned int x; - double val; - val = in[e] * clutPoints_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > clutPoints_1) { - val = clutPoints_1; - rv |= 1; - } - x = (unsigned int)floor(val); /* Grid coordinate */ - if (x > clutPoints_2) - x = clutPoints_2; - co[e] = val - (double)x; /* 1.0 - weight */ - gp += x * p->dinc[e]; /* Add index offset for base of cube */ - } - } - /* Compute corner weights needed for interpolation */ - { - unsigned int e; - int i, g = 1; - gw[0] = 1.0; - for (e = 0; e < p->inputChan; e++) { - for (i = 0; i < g; i++) { - gw[g+i] = gw[i] * co[e]; - gw[i] *= (1.0 - co[e]); - } - g *= 2; - } - } - /* Now compute the output values */ - { - int i; - unsigned int f; - double w = gw[0]; - double *d = gp + p->dcube[0]; - for (f = 0; f < p->outputChan; f++) /* Base of cube */ - out[f] = w * d[f]; - for (i = 1; i < (1 << p->inputChan); i++) { /* For all other corners of cube */ - w = gw[i]; /* Strength reduce */ - d = gp + p->dcube[i]; - for (f = 0; f < p->outputChan; f++) - out[f] += w * d[f]; - } - } - if (gw != GW) - icp->al->free(icp->al, (void *)gw); - return rv; -} - -/* Convert normalized numbers though this Luts multi-dimensional table */ -/* using simplex interpolation. */ -static int icmLut_lookup_clut_sx( -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[inputChan] */ -double *in /* Input array[outputChan] */ -) { - int rv = 0; - double *gp; /* Pointer to grid cube base */ - double co[MAX_CHAN]; /* Coordinate offset with the grid cell */ - int si[MAX_CHAN]; /* co[] Sort index, [0] = smalest */ - - /* We are using a simplex (ie. tetrahedral for 3D input) interpolation. */ - /* This method is more appropriate for XYZ/RGB/CMYK input spaces, */ - - /* Compute base index into grid and coordinate offsets */ - { - unsigned int e; - double clutPoints_1 = (double)(p->clutPoints-1); - int clutPoints_2 = p->clutPoints-2; - gp = p->clutTable; /* Base of grid array */ - - for (e = 0; e < p->inputChan; e++) { - unsigned int x; - double val; - val = in[e] * clutPoints_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > clutPoints_1) { - val = clutPoints_1; - rv |= 1; - } - x = (unsigned int)floor(val); /* Grid coordinate */ - if (x > clutPoints_2) - x = clutPoints_2; - co[e] = val - (double)x; /* 1.0 - weight */ - gp += x * p->dinc[e]; /* Add index offset for base of cube */ - } - } -#ifdef NEVER - /* Do selection sort on coordinates, smallest to largest. */ - { - int e, f; - for (e = 0; e < p->inputChan; e++) - si[e] = e; /* Initial unsorted indexes */ - for (e = 0; e < (p->inputChan-1); e++) { - double cosn; - cosn = co[si[e]]; /* Current smallest value */ - for (f = e+1; f < p->inputChan; f++) { /* Check against rest */ - int tt; - tt = si[f]; - if (cosn > co[tt]) { - si[f] = si[e]; /* Exchange */ - si[e] = tt; - cosn = co[tt]; - } - } - } - } -#else - /* Do insertion sort on coordinates, smallest to largest. */ - { - int f, vf; - unsigned int e; - double v; - for (e = 0; e < p->inputChan; e++) - si[e] = e; /* Initial unsorted indexes */ - - for (e = 1; e < p->inputChan; e++) { - f = e; - v = co[si[f]]; - vf = f; - while (f > 0 && co[si[f-1]] > v) { - si[f] = si[f-1]; - f--; - } - si[f] = vf; - } - } -#endif - /* Now compute the weightings, simplex vertices and output values */ - { - unsigned int e, f; - double w; /* Current vertex weight */ - - w = 1.0 - co[si[p->inputChan-1]]; /* Vertex at base of cell */ - for (f = 0; f < p->outputChan; f++) - out[f] = w * gp[f]; - - for (e = p->inputChan-1; e > 0; e--) { /* Middle verticies */ - w = co[si[e]] - co[si[e-1]]; - gp += p->dinc[si[e]]; /* Move to top of cell in next largest dimension */ - for (f = 0; f < p->outputChan; f++) - out[f] += w * gp[f]; - } - - w = co[si[0]]; - gp += p->dinc[si[0]]; /* Far corner from base of cell */ - for (f = 0; f < p->outputChan; f++) - out[f] += w * gp[f]; - } - return rv; -} - -#ifdef NEVER // ~~~99 development code - -/* Convert normalized numbers though this Luts multi-dimensional table */ -/* using optimised simplex interpolation. */ -/* This version optimses the simplex split axis depending on the input */ -/* colorspace. */ -static int icmLut_lookup_clut_osx( -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[inputChan] */ -double *in /* Input array[outputChan] */ -) { - int rv = 0; - double *gp; /* Pointer to grid cube base */ - double co[MAX_CHAN]; /* Coordinate offset with the grid cell */ - int si[MAX_CHAN]; /* co[] Sort index, [0] = smalest */ - char xflip[MAX_CHAN]; /* Optimised simplex axis flip flags */ - - /* Compute base index into grid and coordinate offsets */ - { - unsigned int e; - double clutPoints_1 = (double)(p->clutPoints-1); - int clutPoints_2 = p->clutPoints-2; - gp = p->clutTable; /* Base of grid array */ - - for (e = 0; e < p->inputChan; e++) { - unsigned int x; - double val; -// ~~~999 -#ifdef NEVER - xflip[e] = p->finfo[e].bthff; - if (in[e] >= p->finfo[e].fth) - xflip[e] = p->finfo[e].athff; -#else - - xflip[e] = 0; - if (e == 0) - xflip[e] = 1; -#endif - val = in[e] * clutPoints_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > clutPoints_1) { - val = clutPoints_1; - rv |= 1; - } - x = (unsigned int)floor(val); /* Grid coordinate */ - if (x > clutPoints_2) - x = clutPoints_2; - co[e] = val - (double)x; /* 1.0 - weight */ - gp += x * p->dinc[e]; /* Add index offset for base of cube */ - if (xflip[e]) { /* Reverse sense of direction for this axis */ - co[e] = 1.0 - co[e]; - gp += p->dinc[e]; - } - } - } -//printf("*");fflush(stdout); -#ifdef NEVER - /* Do selection sort on coordinates, smallest to largest. */ - { - int e, f; - for (e = 0; e < p->inputChan; e++) - si[e] = e; /* Initial unsorted indexes */ - for (e = 0; e < (p->inputChan-1); e++) { - double cosn; - cosn = co[si[e]]; /* Current smallest value */ - for (f = e+1; f < p->inputChan; f++) { /* Check against rest */ - int tt; - tt = si[f]; - if (cosn > co[tt]) { - si[f] = si[e]; /* Exchange */ - si[e] = tt; - cosn = co[tt]; - } - } - } - } -#else - /* Do insertion sort on coordinates, smallest to largest. */ - { - int f, vf; - unsigned int e; - double v; - for (e = 0; e < p->inputChan; e++) - si[e] = e; /* Initial unsorted indexes */ - - for (e = 1; e < p->inputChan; e++) { - f = e; - v = co[si[f]]; - vf = f; - while (f > 0 && co[si[f-1]] > v) { - si[f] = si[f-1]; - f--; - } - si[f] = vf; - } - } -#endif - /* Now compute the weightings, simplex vertices and output values */ - { - unsigned int e, f; - double w; /* Current vertex weight */ - - w = 1.0 - co[si[p->inputChan-1]]; /* Vertex at base of cell */ - for (f = 0; f < p->outputChan; f++) - out[f] = w * gp[f]; - - for (e = p->inputChan-1; e > 0; e--) { /* Middle verticies */ - w = co[si[e]] - co[si[e-1]]; - if (xflip[e]) - gp -= p->dinc[si[e]]; /* Move to top of cell in next largest dimension */ - else - gp += p->dinc[si[e]]; /* Move to top of cell in next largest dimension */ - for (f = 0; f < p->outputChan; f++) - out[f] += w * gp[f]; - } - - w = co[si[0]]; - if (xflip[0]) - gp -= p->dinc[si[0]]; /* Far corner from base of cell */ - else - gp += p->dinc[si[0]]; /* Far corner from base of cell */ - for (f = 0; f < p->outputChan; f++) - out[f] += w * gp[f]; - } - return rv; -} - -#endif /* NEVER */ // ~~~99 development code - - -/* Convert normalized numbers though this Luts output tables. */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ -static int icmLut_lookup_output( -icmLut *p, /* Pointer to Lut object */ -double *out, /* Output array[outputChan] */ -double *in /* Input array[outputChan] */ -) { - int rv = 0; - unsigned int ix, n; - double outputEnt_1 = (double)(p->outputEnt-1); - double *table = p->outputTable; - - if (p->outputEnt == 0) { /* Hmm. */ - for (n = 0; n < p->outputChan; n++) - out[n] = in[n]; - } else { - /* Use linear interpolation */ - for (n = 0; n < p->outputChan; n++, table += p->outputEnt) { - double val, w; - val = in[n] * outputEnt_1; - if (val < 0.0) { - val = 0.0; - rv |= 1; - } else if (val > outputEnt_1) { - val = outputEnt_1; - rv |= 1; - } - ix = (unsigned int)floor(val); /* Grid coordinate */ - if (ix > (p->outputEnt-2)) - ix = (p->outputEnt-2); - w = val - (double)ix; /* weight */ - val = table[ix]; - out[n] = val + w * (table[ix+1] - val); - } - } - return rv; -} - -/* ----------------------------------------------- */ -/* Pseudo - Hilbert count sequencer */ - -/* This multi-dimensional count sequence is a distributed */ -/* Gray code sequence, with direction reversal on every */ -/* alternate power of 2 scale. */ -/* It is intended to aid cache coherence in multi-dimensional */ -/* regular sampling. It approximates the Hilbert curve sequence. */ - -/* Initialise, returns total usable count */ -unsigned -psh_init( -psh *p, /* Pointer to structure to initialise */ -int di, /* Dimensionality */ -unsigned int res, /* Size per coordinate */ -int co[] /* Coordinates to initialise (May be NULL) */ -) { - int e; - - p->di = di; - p->res = res; - - /* Compute bits */ - for (p->bits = 0; (1u << p->bits) < res; p->bits++) - ; - - /* Compute the total count mask */ - p->tmask = ((((unsigned)1) << (p->bits * di))-1); - - /* Compute usable count */ - p->count = 1; - for (e = 0; e < di; e++) - p->count *= res; - - p->ix = 0; - - if (co != NULL) { - for (e = 0; e < di; e++) - co[e] = 0; - } - - return p->count; -} - -/* Reset the counter */ -void -psh_reset( -psh *p /* Pointer to structure */ -) { - p->ix = 0; -} - -/* Increment pseudo-hilbert coordinates */ -/* Return non-zero if count rolls over to 0 */ -int -psh_inc( -psh *p, /* Pointer to structure */ -int co[] /* Coordinates to return */ -) { - int di = p->di; - unsigned int res = p->res; - unsigned int bits = p->bits; - int e; - - do { - unsigned int b; - int gix; /* Gray code index */ - - p->ix = (p->ix + 1) & p->tmask; - - gix = p->ix ^ (p->ix >> 1); /* Convert to gray code index */ - - for (e = 0; e < di; e++) - co[e] = 0; - - for (b = 0; b < bits; b++) { /* Distribute bits */ - if (b & 1) { - for (e = di-1; e >= 0; e--) { /* In reverse order */ - co[e] |= (gix & 1) << b; - gix >>= 1; - } - } else { - for (e = 0; e < di; e++) { /* In normal order */ - co[e] |= (gix & 1) << b; - gix >>= 1; - } - } - } - - /* Convert from Gray to binary coordinates */ - for (e = 0; e < di; e++) { - unsigned int sh, tv; - - for(sh = 1, tv = co[e];; sh <<= 1) { - unsigned ptv = tv; - tv ^= (tv >> sh); - if (ptv <= 1 || sh == 16) - break; - } - if (tv >= res) /* Dumbo filter - increment again if outside cube range */ - break; - co[e] = tv; - } - - } while (e < di); - - return (p->ix == 0); -} - -/* ------------------------------------------------------- */ - -#ifndef COUNTERS_H - -/* Macros for a multi-dimensional counter. */ - -/* Declare the counter name nn, maximum di mxdi, dimensions di, & count */ -/* This counter can have each dimension range clipped */ - -#define FCOUNT(nn, mxdi, di) \ - int nn[mxdi]; /* counter value */ \ - int nn##_di = (di); /* Number of dimensions */ \ - int nn##_stt[mxdi]; /* start count value */ \ - int nn##_res[mxdi]; /* last count +1 */ \ - int nn##_e /* dimension index */ - -#define FRECONF(nn, start, endp1) \ - for (nn##_e = 0; nn##_e < nn##_di; nn##_e++) { \ - nn##_stt[nn##_e] = (start); /* start count value */ \ - nn##_res[nn##_e] = (endp1); /* last count +1 */ \ - } - -/* Set the counter value to 0 */ -#define FC_INIT(nn) \ -{ \ - for (nn##_e = 0; nn##_e < nn##_di; nn##_e++) \ - nn[nn##_e] = nn##_stt[nn##_e]; \ - nn##_e = 0; \ -} - -/* Increment the counter value */ -#define FC_INC(nn) \ -{ \ - for (nn##_e = 0; nn##_e < nn##_di; nn##_e++) { \ - nn[nn##_e]++; \ - if (nn[nn##_e] < nn##_res[nn##_e]) \ - break; /* No carry */ \ - nn[nn##_e] = nn##_stt[nn##_e]; \ - } \ -} - -/* After increment, expression is TRUE if counter is done */ -#define FC_DONE(nn) \ - (nn##_e >= nn##_di) - -#endif /* COUNTERS_H */ - -/* Parameter to getNormFunc function */ -typedef enum { - icmFromLuti = 0, /* return "fromo Lut normalized index" conversion function */ - icmToLuti = 1, /* return "to Lut normalized index" conversion function */ - icmFromLutv = 2, /* return "from Lut normalized value" conversion function */ - icmToLutv = 3 /* return "to Lut normalized value" conversion function */ -} icmNormFlag; - -/* Return an appropriate color space normalization function, */ -/* given the color space and Lut type */ -/* Return 0 on success, 1 on match failure */ -static int getNormFunc( - icc *icp, - icColorSpaceSignature csig, - icTagTypeSignature tagSig, - icmNormFlag flag, - void (**nfunc)(double *out, double *in) -); - -#define CLIP_MARGIN 0.005 /* Margine to allow before reporting clipping = 0.5% */ - -/* Helper function to set multiple Lut tables simultaneously. */ -/* Note that these tables all have to be compatible in */ -/* having the same configuration and resolution. */ -/* Set errc and return error number in underlying icc */ -/* Set warnc if there is clipping in the output values */ -/* 1 = input table, 2 = main clut, 3 = clut midpoin, 4 = midpoint interp, 5 = output table */ -int icmSetMultiLutTables( - int ntables, /* Number of tables to be set, 1..n */ - icmLut **pp, /* Pointer to array of Lut objects */ - int flags, /* Setting flags */ - void *cbctx, /* Opaque callback context pointer value */ - icColorSpaceSignature insig, /* Input color space */ - icColorSpaceSignature outsig, /* Output color space */ - void (*infunc)(void *cbctx, double *out, double *in), - /* Input transfer function, inspace->inspace' (NULL = default) */ - /* Will be called ntables times for each input grid value */ - double *inmin, double *inmax, /* Maximum range of inspace' values */ - /* (NULL = default) */ - void (*clutfunc)(void *cbntx, double *out, double *in), - /* inspace' -> outspace[ntables]' transfer function */ - /* will be called once for each input' grid value, and */ - /* ntables output values should be written consecutively */ - /* to out[]. */ - double *clutmin, double *clutmax, /* Maximum range of outspace' values */ - /* (NULL = default) */ - void (*outfunc)(void *cbntx, double *out, double *in)) - /* Output transfer function, outspace'->outspace (NULL = deflt) */ - /* Will be called ntables times on each output value */ -{ - icmLut *p, *pn; /* Pointer to 0'th nd tn'th Lut object */ - icc *icp; /* Pointer to common icc */ - int tn; - unsigned int e, f, i, n; - double **clutTable2 = NULL; /* Cell center values for ICM_CLUT_SET_APXLS */ - double *clutTable3 = NULL; /* Vertex smoothing radius values [ntables] per entry */ - int dinc3[MAX_CHAN]; /* Dimensional increment through clut3 (in doubles) */ - int dcube3[1 << MAX_CHAN]; /* Hyper cube offsets throught clut3 (in doubles) */ - int ii[MAX_CHAN]; /* Index value */ - psh counter; /* Pseudo-Hilbert counter */ -// double _iv[4 * MAX_CHAN], *iv = &_iv[MAX_CHAN], *ivn; /* Real index value/table value */ - int maxchan; /* Actual max of input and output */ - double *_iv, *iv, *ivn; /* Real index value/table value */ - double imin[MAX_CHAN], imax[MAX_CHAN]; - double omin[MAX_CHAN], omax[MAX_CHAN]; - void (*ifromindex)(double *out, double *in); /* Index to input color space function */ - void (*itoentry)(double *out, double *in); /* Input color space to entry function */ - void (*ifromentry)(double *out, double *in); /* Entry to input color space function */ - void (*otoentry)(double *out, double *in); /* Output colorspace to table value function */ - void (*ofromentry)(double *out, double *in); /* Table value to output color space function */ - int clip = 0; - - /* Check that everything is OK to proceed */ - if (ntables < 1 || ntables > MAX_CHAN) { - if (ntables >= 1) { - icp = pp[0]->icp; - sprintf(icp->err,"icmSetMultiLutTables has illegal number of tables %d",ntables); - return icp->errc = 1; - } else { - /* Can't write error message anywhere */ - return 1; - } - } - - p = pp[0]; - icp = p->icp; - - for (tn = 1; tn < ntables; tn++) { - if (pp[tn]->icp != icp) { - sprintf(icp->err,"icmSetMultiLutTables Tables base icc is different"); - return icp->errc = 1; - } - if (pp[tn]->ttype != p->ttype) { - sprintf(icp->err,"icmSetMultiLutTables Tables have different Tage Type"); - return icp->errc = 1; - } - - if (pp[tn]->inputChan != p->inputChan) { - sprintf(icp->err,"icmSetMultiLutTables Tables have different inputChan"); - return icp->errc = 1; - } - if (pp[tn]->outputChan != p->outputChan) { - sprintf(icp->err,"icmSetMultiLutTables Tables have different outputChan"); - return icp->errc = 1; - } - if (pp[tn]->clutPoints != p->clutPoints) { - sprintf(icp->err,"icmSetMultiLutTables Tables have different clutPoints"); - return icp->errc = 1; - } - } - - if (getNormFunc(icp, insig, p->ttype, icmFromLuti, &ifromindex) != 0) { - sprintf(icp->err,"icmLut_set_tables index to input colorspace function lookup failed"); - return icp->errc = 1; - } - if (getNormFunc(icp, insig, p->ttype, icmToLutv, &itoentry) != 0) { - sprintf(icp->err,"icmLut_set_tables input colorspace to table entry function lookup failed"); - return icp->errc = 1; - } - if (getNormFunc(icp, insig, p->ttype, icmFromLutv, &ifromentry) != 0) { - sprintf(icp->err,"icmLut_set_tables table entry to input colorspace function lookup failed"); - return icp->errc = 1; - } - - if (getNormFunc(icp, outsig, p->ttype, icmToLutv, &otoentry) != 0) { - sprintf(icp->err,"icmLut_set_tables output colorspace to table entry function lookup failed"); - return icp->errc = 1; - } - if (getNormFunc(icp, outsig, p->ttype, icmFromLutv, &ofromentry) != 0) { - sprintf(icp->err,"icmLut_set_tables table entry to output colorspace function lookup failed"); - return icp->errc = 1; - } - - /* Allocate an array to hold the input and output values. */ - /* It needs to be able to hold di "index under valus as in[], */ - /* and ntables ICM_CLUT_SET_FILTER values as out[], so we assume maxchan >= di */ - maxchan = p->inputChan > p->outputChan ? p->inputChan : p->outputChan; - if ((_iv = (double *) icp->al->malloc(icp->al, sizeof(double) * maxchan * (ntables+1))) - == NULL) { - sprintf(icp->err,"icmLut_read: malloc() failed"); - return icp->errc = 2; - } - iv = _iv + maxchan; /* Allow for "index under" and smoothing radius values */ - - /* Setup input table value min-max */ - if (inmin == NULL || imax == NULL) { -#ifdef SYMETRICAL_DEFAULT_LAB_RANGE /* Symetrical default range. */ - /* We are assuming V2 Lab16 encoding, since this is a lut16type that always uses */ - /* this encoding */ - if (insig == icSigLabData) { /* Special case Lab */ - double mn[3], mx[3]; - /* This is to ensure that Lab 100,0,0 maps exactly to a clut grid point. */ - /* This should work well if there is an odd grid resolution, */ - /* and icclib is being used, as input lookup will */ - /* be computed using floating point, so that the CLUT input value */ - /* 0.5 can be represented exactly. */ - /* Because the symetric range will cause slight clipping, */ - /* only do it if the input table has sufficient resolution */ - /* to represent the clipping faithfuly. */ - if (p->inputEnt >= 64) { - if (p->ttype == icSigLut8Type) { - mn[0] = 0.0, mn[1] = mn[2] = -127.0; - mx[0] = 100.0, mx[1] = mx[2] = 127.0; - } else { - mn[0] = 0.0, mn[1] = mn[2] = -127.0 - 255.0/256.0; - mx[0] = 100.0, mx[1] = mx[2] = 127.0 + 255.0/256.0; - } - itoentry(imin, mn); /* Convert from input color space to table representation */ - itoentry(imax, mx); - } else { - for (e = 0; e < p->inputChan; e++) { - imin[e] = 0.0; - imax[e] = 1.0; - } - } - } else -#endif - { - for (e = 0; e < p->inputChan; e++) { - imin[e] = 0.0; /* We are assuming this is true for all other color spaces. */ - imax[e] = 1.0; - } - } - } else { - itoentry(imin, inmin); /* Convert from input color space to table representation */ - itoentry(imax, inmax); - } - - /* Setup output table value min-max */ - if (clutmin == NULL || clutmax == NULL) { -#ifdef SYMETRICAL_DEFAULT_LAB_RANGE - /* This really isn't doing much, since the full range encoding doesn't need */ - /* any adjustment to map a*b* 0 to an integer value. */ - /* We are tweaking the 16 bit L* = 100 to the last index into */ - /* the output table, which may help its accuracy slightly. */ - /* We are assuming V2 Lab16 encoding, since this is a lut16type that always uses */ - /* this encoding */ - if (outsig == icSigLabData) { /* Special case Lab */ - double mn[3], mx[3]; - /* The output of the CLUT will be an 8 or 16 bit value, and we want to */ - /* adjust the range so that the input grid point holding the white */ - /* point can encode 0.0 exactly. */ - /* Note that in the case of the a & b values, the range equates to */ - /* normalised 0.0 .. 1.0, since 0 can be represented exactly in it. */ - if (p->outputEnt >= 64) { - if (p->ttype == icSigLut8Type) { - mn[0] = 0.0, mn[1] = mn[2] = -128.0; - mx[0] = 100.0, mx[1] = mx[2] = 127.0; - } else { - mn[0] = 0.0, mn[1] = mn[2] = -128.0; - mx[0] = 100.0, mx[1] = mx[2] = (65535.0 * 255.0)/65280.0 - 128.0; - } - otoentry(omin, mn);/* Convert from output color space to table representation */ - otoentry(omax, mx); - } else { - for (e = 0; e < p->inputChan; e++) { - omin[e] = 0.0; - omax[e] = 1.0; - } - } - } else -#endif - { - for (f = 0; f < p->outputChan; f++) { - omin[f] = 0.0; /* We are assuming this is true for all other color spaces. */ - omax[f] = 1.0; - } - } - } else { - otoentry(omin, clutmin);/* Convert from output color space to table representation */ - otoentry(omax, clutmax); - } - - /* Create the input table entry values */ - for (tn = 0; tn < ntables; tn++) { - pn = pp[tn]; - for (n = 0; n < pn->inputEnt; n++) { - double fv; - fv = n/(pn->inputEnt-1.0); - for (e = 0; e < pn->inputChan; e++) - iv[e] = fv; - - ifromindex(iv,iv); /* Convert from index value to input color space value */ - - if (infunc != NULL) - infunc(cbctx, iv, iv); /* In colorspace -> input table -> In colorspace. */ - - itoentry(iv,iv); /* Convert from input color space value to table value */ - - /* Expand used range to 0.0 - 1.0, and clip to legal values */ - /* Note that if the range is reduced, and clipping occurs, */ - /* then there should be enough resolution within the input */ - /* table, to represent the sharp edges of the clipping. */ - for (e = 0; e < pn->inputChan; e++) { - double tt; - tt = (iv[e] - imin[e])/(imax[e] - imin[e]); - if (tt < 0.0) { - DBGSLC(("iclip: tt = %f, iv = %f, omin = %f, omax = %f\n",tt,iv[e],omin[e],omax[e])); - if (tt < -CLIP_MARGIN) - clip = 1; - tt = 0.0; - } else if (tt > 1.0) { - DBGSLC(("iclip: tt = %f, iv = %f, omin = %f, omax = %f\n",tt,iv[e],omin[e],omax[e])); - if (tt > (1.0 + CLIP_MARGIN)) - clip = 1; - tt = 1.0; - } - iv[e] = tt; - } - - for (e = 0; e < pn->inputChan; e++) /* Input tables */ - pn->inputTable[e * pn->inputEnt + n] = iv[e]; - } - } - - /* Allocate space for cell center value lookup */ - if (flags & ICM_CLUT_SET_APXLS) { - if ((clutTable2 = (double **) icp->al->calloc(icp->al,sizeof(double *), ntables)) == NULL) { - sprintf(icp->err,"icmLut_set_tables malloc of cube center array failed"); - icp->al->free(icp->al, _iv); - return icp->errc = 1; - } - for (tn = 0; tn < ntables; tn++) { - if ((clutTable2[tn] = (double *) icp->al->calloc(icp->al,sizeof(double), - p->clutTable_size)) == NULL) { - for (--tn; tn >= 0; tn--) - icp->al->free(icp->al, clutTable2[tn]); - icp->al->free(icp->al, _iv); - icp->al->free(icp->al, clutTable2); - sprintf(icp->err,"icmLut_set_tables malloc of cube center array failed"); - return icp->errc = 1; - } - } - } - - /* Allocate space for smoothing radius values */ - if (flags & ICM_CLUT_SET_FILTER) { - unsigned int j, g, size; - - /* Private: compute dimensional increment though clut3 */ - i = p->inputChan-1; - dinc3[i--] = ntables; - for (; i < p->inputChan; i--) - dinc3[i] = dinc3[i+1] * p->clutPoints; - - /* Private: compute offsets from base of cube to other corners */ - for (dcube3[0] = 0, g = 1, j = 0; j < p->inputChan; j++) { - for (i = 0; i < g; i++) - dcube3[g+i] = dcube3[i] + dinc3[j]; - g *= 2; - } - - if ((size = sat_mul(ntables, sat_pow(p->clutPoints,p->inputChan))) == UINT_MAX) { - sprintf(icp->err,"icmLut_alloc size overflow"); - if (flags & ICM_CLUT_SET_APXLS) { - for (tn = 0; tn < ntables; tn++) - icp->al->free(icp->al, clutTable2[tn]); - } - icp->al->free(icp->al, clutTable2); - icp->al->free(icp->al, _iv); - return icp->errc = 1; - } - - if ((clutTable3 = (double *) icp->al->calloc(icp->al,sizeof(double), - size)) == NULL) { - if (flags & ICM_CLUT_SET_APXLS) { - for (tn = 0; tn < ntables; tn++) - icp->al->free(icp->al, clutTable2[tn]); - } - icp->al->free(icp->al, clutTable2); - icp->al->free(icp->al, _iv); - sprintf(icp->err,"icmLut_set_tables malloc of vertex smoothing value array failed"); - return icp->errc = 1; - } - } - - /* Create the multi-dimensional lookup table values */ - - /* To make this clut function cache friendly, we use the pseudo-hilbert */ - /* count sequence. This keeps each point close to the last in the */ - /* multi-dimensional space. This is the point of setting multiple Luts at */ - /* once too - the assumption is that these tables are all related (different */ - /* gamut compressions for instance), and hence calling the clutfunc() with */ - /* close values will maximise reverse lookup cache hit rate. */ - - psh_init(&counter, p->inputChan, p->clutPoints, ii); /* Initialise counter */ - - /* Itterate through all verticies in the grid */ - for (;;) { - int ti, ti3; /* Table indexes */ - - for (ti = e = 0; e < p->inputChan; e++) { /* Input tables */ - ti += ii[e] * p->dinc[e]; /* Clut index */ - iv[e] = ii[e]/(p->clutPoints-1.0); /* Vertex coordinates */ - iv[e] = iv[e] * (imax[e] - imin[e]) + imin[e]; /* Undo expansion to 0.0 - 1.0 */ - *((int *)&iv[-((int)e)-1]) = ii[e]; /* Trick to supply grid index in iv[] */ - } - - if (flags & ICM_CLUT_SET_FILTER) { - for (ti3 = e = 0; e < p->inputChan; e++) /* Input tables */ - ti3 += ii[e] * dinc3[e]; /* Clut3 index */ - } - - DBGSL(("\nix %s\n",icmPiv(p->inputChan, ii))); - DBGSL(("raw itv %s to iv'",icmPdv(p->inputChan, iv))); - ifromentry(iv,iv); /* Convert from table value to input color space */ - DBGSL((" %s\n",icmPdv(p->inputChan, iv))); - - /* Apply incolor -> outcolor function we want to represent for all tables */ - DBGSL(("iv: %s to ov'",icmPdv(p->inputChan, iv))); - clutfunc(cbctx, iv, iv); - DBGSL((" %s\n",icmPdv(p->outputChan, iv))); - - /* Save the results to the output tables */ - for (tn = 0, ivn = iv; tn < ntables; ivn += p->outputChan, tn++) { - pn = pp[tn]; - - DBGSL(("tn %d, ov' %s -> otv",tn,icmPdv(p->outputChan, ivn))); - otoentry(ivn,ivn); /* Convert from output color space value to table value */ - DBGSL((" %s\n -> oval",icmPdv(p->outputChan, ivn))); - - /* Expand used range to 0.0 - 1.0, and clip to legal values */ - for (f = 0; f < pn->outputChan; f++) { - double tt; - tt = (ivn[f] - omin[f])/(omax[f] - omin[f]); - if (tt < 0.0) { - DBGSLC(("lclip: tt = %f, ivn= %f, omin = %f, omax = %f\n",tt,ivn[f],omin[f],omax[f])); - if (tt < -CLIP_MARGIN) - clip = 2; - tt = 0.0; - } else if (tt > 1.0) { - DBGSLC(("lclip: tt = %f, ivn= %f, omin = %f, omax = %f\n",tt,ivn[f],omin[f],omax[f])); - if (tt > (1.0 + CLIP_MARGIN)) - clip = 2; - tt = 1.0; - } - ivn[f] = tt; - } - - for (f = 0; f < pn->outputChan; f++) /* Output chans */ - pn->clutTable[ti + f] = ivn[f]; - DBGSL((" %s\n",icmPdv(pn->outputChan, ivn))); - - if (flags & ICM_CLUT_SET_FILTER) { - clutTable3[ti3 + tn] = iv[-1 -tn]; /* Filter radiuses */ - } - } - - /* Lookup cell center value if ICM_CLUT_SET_APXLS */ - if (clutTable2 != NULL) { - - for (e = 0; e < p->inputChan; e++) { - if (ii[e] >= (p->clutPoints-1)) - break; /* Don't lookup beyond last */ - iv[e] = (ii[e] + 0.5)/(p->clutPoints-1.0); /* Vertex coordinates + 0.5 */ - iv[e] = iv[e] * (imax[e] - imin[e]) + imin[e]; /* Undo expansion to 0.0 - 1.0 */ - *((int *)&iv[-((int)e)-1]) = ii[e]; /* Trick to supply grid index in iv[] */ - /* (Not this is only the base for +0.5) */ - } - - if (e >= p->inputChan) { /* We're not on the last row */ - - ifromentry(iv,iv); /* Convert from table value to input color space */ - - /* Apply incolor -> outcolor function we want to represent */ - clutfunc(cbctx, iv, iv); - - /* Save the results to the output tables */ - for (tn = 0, ivn = iv; tn < ntables; ivn += p->outputChan, tn++) { - pn = pp[tn]; - - otoentry(ivn,ivn); /* Convert from output color space value to table value */ - - /* Expand used range to 0.0 - 1.0, and clip to legal values */ - for (f = 0; f < pn->outputChan; f++) { - double tt; - tt = (ivn[f] - omin[f])/(omax[f] - omin[f]); - if (tt < 0.0) { - DBGSLC(("lclip: tt = %f, ivn= %f, omin = %f, omax = %f\n",tt,ivn[f],omin[f],omax[f])); - if (tt < -CLIP_MARGIN) - clip = 3; - tt = 0.0; - } else if (tt > 1.0) { - DBGSLC(("lclip: tt = %f, ivn= %f, omin = %f, omax = %f\n",tt,ivn[f],omin[f],omax[f])); - if (tt > (1.0 + CLIP_MARGIN)) - clip = 3; - tt = 1.0; - } - ivn[f] = tt; - } - - for (f = 0; f < pn->outputChan; f++) /* Output chans */ - clutTable2[tn][ti + f] = ivn[f]; - } - } - } - - /* Increment index within block (Reverse index significancd) */ - if (psh_inc(&counter, ii)) - break; - } - -#define APXLS_WHT 0.5 -#define APXLS_DIFF_THRHESH 0.2 - /* Deal with cell center value, aproximate least squares adjustment. */ - /* Subtract some of the mean of the surrounding center values from each grid value. */ - /* Skip the edges so that things like the white point are not changed. */ - /* Avoid modifying the value if the difference between the */ - /* interpolated value and the current value is too great, */ - /* and there is the possibility of different color aliases. */ - if (clutTable2 != NULL) { - int ti; /* cube vertex table index */ - int ti2; /* cube center table2 index */ - int ee; - double cw = 1.0/(double)(1 << p->inputChan); /* Weight for each cube corner */ - - /* For each cell center point except last row */ - for (e = 0; e < p->inputChan; e++) - ii[e] = 0; /* init coords */ - - /* Compute linear interpolated value from center values */ - for (ee = 0; ee < p->inputChan;) { - - /* Compute base index for table2 */ - for (ti2 = e = 0; e < p->inputChan; e++) /* Input tables */ - ti2 += ii[e] * p->dinc[e]; /* Clut index */ - - ti = ti2 + p->dcube[(1 << p->inputChan)-1]; /* +1 to each coord for vertex index */ - - for (tn = 0; tn < ntables; tn++) { - double mval[MAX_CHAN], vv; - double maxd = 0.0; - - pn = pp[tn]; - - /* Compute mean of center values */ - for (f = 0; f < pn->outputChan; f++) { /* Output chans */ - - mval[f] = 0.0; - for (i = 0; i < (1 << p->inputChan); i++) { /* For surrounding center values */ - mval[f] += clutTable2[tn][ti2 + p->dcube[i] + f]; - } - mval[f] = pn->clutTable[ti + f] - mval[f] * cw; /* Diff to mean */ - vv = fabs(mval[f]); - if (vv > maxd) - maxd = vv; - } - - if (pn->outputChan <= 3 || maxd < APXLS_DIFF_THRHESH) { - for (f = 0; f < pn->outputChan; f++) { /* Output chans */ - - vv = pn->clutTable[ti + f] + APXLS_WHT * mval[f]; - - /* Hmm. This is a bit crude. How do we know valid range is 0-1 ? */ - /* What about an ink limit ? */ - if (vv < 0.0) { - vv = 0.0; - } else if (vv > 1.0) { - vv = 1.0; - } - pn->clutTable[ti + f] = vv; - } - } - } - - /* Increment coord */ - for (ee = 0; ee < p->inputChan; ee++) { - if (++ii[ee] < (p->clutPoints-2)) /* Don't go through upper edge */ - break; /* No carry */ - ii[ee] = 0; - } - } - - /* Done with center values */ - for (tn = 0; tn < ntables; tn++) - icp->al->free(icp->al, clutTable2[tn]); - icp->al->free(icp->al, clutTable2); - } - - /* Apply any smoothing in the clipped region to the resulting clutTable */ - if (clutTable3 != NULL) { - double *clutTable1; /* Copy of current unfilted values */ - FCOUNT(cc, MAX_CHAN, p->inputChan); /* Surrounding counter */ - - if ((clutTable1 = (double *) icp->al->calloc(icp->al,sizeof(double), - p->clutTable_size)) == NULL) { - icp->al->free(icp->al, clutTable3); - icp->al->free(icp->al, _iv); - sprintf(icp->err,"icmLut_set_tables malloc of grid copy failed"); - return icp->errc = 1; - } - - for (tn = 0; tn < ntables; tn++) { - int aa; - int ee; - int ti, ti3; /* Table indexes */ - - pn = pp[tn]; - - /* For each pass */ - for (aa = 0; aa < 2; aa++) { - - /* Copy current values */ - memcpy(clutTable1, pn->clutTable, sizeof(double) * pn->clutTable_size); - - /* Filter each point */ - for (e = 0; e < pn->inputChan; e++) - ii[e] = 0; /* init coords */ - - /* Compute linear interpolated error to actual cell center value */ - for (ee = 0; ee < pn->inputChan;) { - double rr; /* Filter radius */ - int ir; /* Integer radius */ - double tw; /* Total weight */ - - /* Compute base index for this cell */ - for (ti3 = ti = e = 0; e < pn->inputChan; e++) { /* Input tables */ - ti += ii[e] * pn->dinc[e]; /* Clut index */ - ti3 += ii[e] * dinc3[e]; /* Clut3 index */ - } - rr = clutTable3[ti3 + tn] * (pn->clutPoints-1.0); - ir = (int)floor(rr + 0.5); /* Don't bother unless 1/2 over vertex */ - - if (ir < 1) - goto next_vert; - - //FRECONF(cc, -ir, ir + 1); /* Set size of surroundign grid */ - - /* Clip scanning cube to be within grid */ - for (e = 0; e < pn->inputChan; e++) { - int cr = ir; - if ((ii[e] - ir) < 0) - cr = ii[e]; - if ((ii[e] + ir) >= pn->clutPoints) - cr = pn->clutPoints -1 -ii[e]; - - cc_stt[e] = -cr; - cc_res[e] = cr + 1; - } - - for (f = 0; f < pn->outputChan; f++) - pn->clutTable[ti + f] = 0.0; - tw = 0.0; - - FC_INIT(cc) - for (tw = 0.0; !FC_DONE(cc);) { - double r; - int tti; - - /* Radius of this cell */ - for (r = 0.0, tti = e = 0; e < pn->inputChan; e++) { - int ix; - r += cc[e] * cc[e]; - tti += (ii[e] + cc[e]) * p->dinc[e]; - } - r = sqrt(r); - - if (r <= rr && e >= pn->inputChan) { - double w = (rr - r)/rr; /* Triangle weighting */ - w = sqrt(w); - for (f = 0; f < pn->outputChan; f++) - pn->clutTable[ti+f] += w * clutTable1[tti + f]; - tw += w; - } - FC_INC(cc); - } - for (f = 0; f < pn->outputChan; f++) { - double vv = pn->clutTable[ti+f] / tw; - if (vv < 0.0) { - vv = 0.0; - } else if (vv > 1.0) { - vv = 1.0; - } - pn->clutTable[ti+f] = vv; - } - - /* Increment coord */ - next_vert:; - for (ee = 0; ee < pn->inputChan; ee++) { - if (++ii[ee] < (pn->clutPoints-1)) /* Don't go through upper edge */ - break; /* No carry */ - ii[ee] = 0; - } - } /* Next grid point to filter */ - } /* Next pass */ - } /* Next table */ - - free(clutTable1); - free(clutTable3); - } - - /* Create the output table entry values */ - for (tn = 0; tn < ntables; tn++) { - pn = pp[tn]; - for (n = 0; n < pn->outputEnt; n++) { - double fv; - fv = n/(pn->outputEnt-1.0); - for (f = 0; f < pn->outputChan; f++) - iv[f] = fv; - - /* Undo expansion to 0.0 - 1.0 */ - for (f = 0; f < pn->outputChan; f++) /* Output tables */ - iv[f] = iv[f] * (omax[f] - omin[f]) + omin[f]; - - ofromentry(iv,iv); /* Convert from table value to output color space value */ - - if (outfunc != NULL) - outfunc(cbctx, iv, iv); /* Out colorspace -> output table -> out colorspace. */ - - otoentry(iv,iv); /* Convert from output color space value to table value */ - - /* Clip to legal values */ - for (f = 0; f < pn->outputChan; f++) { - double tt; - tt = iv[f]; - if (tt < 0.0) { - DBGSLC(("oclip: tt = %f\n",tt)); - if (tt < -CLIP_MARGIN) - clip = 5; - tt = 0.0; - } else if (tt > 1.0) { - DBGSLC(("oclip: tt = %f\n",tt)); - if (tt > (1.0 + CLIP_MARGIN)) - clip = 5; - tt = 1.0; - } - iv[f] = tt; - } - - for (f = 0; f < pn->outputChan; f++) /* Input tables */ - pn->outputTable[f * pn->outputEnt + n] = iv[f]; - } - } - - icp->al->free(icp->al, _iv); - - icp->warnc = 0; - if (clip) { - DBGSLC(("Returning clip status = %d\n",clip)); - icp->warnc = clip; - } - - return 0; -} - -/* Helper function to initialize a Lut tables contents */ -/* from supplied transfer functions. */ -/* Set errc and return error number */ -/* Set warnc if there is clipping in the output values */ -static int icmLut_set_tables ( -icmLut *p, /* Pointer to Lut object */ -int flags, /* Setting flags */ -void *cbctx, /* Opaque callback context pointer value */ -icColorSpaceSignature insig, /* Input color space */ -icColorSpaceSignature outsig, /* Output color space */ -void (*infunc)(void *cbcntx, double *out, double *in), - /* Input transfer function, inspace->inspace' (NULL = default) */ -double *inmin, double *inmax, /* Maximum range of inspace' values (NULL = default) */ -void (*clutfunc)(void *cbctx, double *out, double *in), - /* inspace' -> outspace' transfer function */ -double *clutmin, double *clutmax, /* Maximum range of outspace' values (NULL = default) */ -void (*outfunc)(void *cbctx, double *out, double *in) - /* Output transfer function, outspace'->outspace (NULL = deflt) */ -) { - struct _icmLut *pp[3]; - - /* Simply call the multiple table function with one table */ - pp[0] = p; - return icmSetMultiLutTables(1, pp, flags, - cbctx, insig, outsig, - infunc, - inmin, inmax, - clutfunc, - clutmin, clutmax, - outfunc); -} - -/* - - - - - - - - - - - - - - - - */ -/* Return the number of bytes needed to write this tag */ -static unsigned int icmLut_get_size( - icmBase *pp -) { - icmLut *p = (icmLut *)pp; - unsigned int len = 0; - - if (p->ttype == icSigLut8Type) { - len = sat_add(len, 48); /* tag and header */ - len = sat_add(len, sat_mul3(1, p->inputChan, p->inputEnt)); - len = sat_add(len, sat_mul3(1, p->outputChan, sat_pow(p->clutPoints,p->inputChan))); - len = sat_add(len, sat_mul3(1, p->outputChan, p->outputEnt)); - } else { - len = sat_add(len, 52); /* tag and header */ - len = sat_add(len, sat_mul3(2, p->inputChan, p->inputEnt)); - len = sat_add(len, sat_mul3(2, p->outputChan, sat_pow(p->clutPoints,p->inputChan))); - len = sat_add(len, sat_mul3(2, p->outputChan, p->outputEnt)); - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmLut_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmLut *p = (icmLut *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i, j, g, size; - char *bp, *buf; - - if (len < 4) { - sprintf(icp->err,"icmLut_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmLut_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmLut_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - p->ttype = (icTagTypeSignature)read_SInt32Number(bp); - if (p->ttype != icSigLut8Type && p->ttype != icSigLut16Type) { - sprintf(icp->err,"icmLut_read: Wrong tag type for icmLut"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - if (p->ttype == icSigLut8Type) { - if (len < 48) { - sprintf(icp->err,"icmLut_read: Tag too small to be legal"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } else { - if (len < 52) { - sprintf(icp->err,"icmLut_read: Tag too small to be legal"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } - - /* Read in the info common to 8 and 16 bit Lut */ - p->inputChan = read_UInt8Number(bp+8); - p->outputChan = read_UInt8Number(bp+9); - p->clutPoints = read_UInt8Number(bp+10); - - /* Sanity check */ - if (p->inputChan > MAX_CHAN) { - sprintf(icp->err,"icmLut_read: Can't handle > %d input channels\n",MAX_CHAN); - return icp->errc = 1; - } - - if (p->outputChan > MAX_CHAN) { - sprintf(icp->err,"icmLut_read: Can't handle > %d output channels\n",MAX_CHAN); - return icp->errc = 1; - } - - /* Read 3x3 transform matrix */ - for (j = 0; j < 3; j++) { /* Rows */ - for (i = 0; i < 3; i++) { /* Columns */ - p->e[j][i] = read_S15Fixed16Number(bp + 12 + ((j * 3 + i) * 4)); - } - } - /* Read 16 bit specific stuff */ - if (p->ttype == icSigLut8Type) { - p->inputEnt = 256; /* By definition */ - p->outputEnt = 256; /* By definition */ - bp = buf+48; - } else { - p->inputEnt = read_UInt16Number(bp+48); - p->outputEnt = read_UInt16Number(bp+50); - bp = buf+52; - } - - /* Sanity check dimensions. This protects against */ - /* subsequent integer overflows involving the dimensions. */ - if ((size = icmLut_get_size((icmBase *)p)) == UINT_MAX - || size > len) { - sprintf(icp->err,"icmLut_read: Tag wrong size for contents"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read the input tables */ - size = (p->inputChan * p->inputEnt); - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) - p->inputTable[i] = read_DCS8Number(bp); - } else { - for (i = 0; i < size; i++, bp += 2) - p->inputTable[i] = read_DCS16Number(bp); - } - - /* Read the clut table */ - size = (p->outputChan * sat_pow(p->clutPoints,p->inputChan)); - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) - p->clutTable[i] = read_DCS8Number(bp); - } else { - for (i = 0; i < size; i++, bp += 2) - p->clutTable[i] = read_DCS16Number(bp); - } - - /* Read the output tables */ - size = (p->outputChan * p->outputEnt); - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) - p->outputTable[i] = read_DCS8Number(bp); - } else { - for (i = 0; i < size; i++, bp += 2) - p->outputTable[i] = read_DCS16Number(bp); - } - - /* Private: compute dimensional increment though clut */ - /* Note that first channel varies least rapidly. */ - i = p->inputChan-1; - p->dinc[i--] = p->outputChan; - for (; i < p->inputChan; i--) - p->dinc[i] = p->dinc[i+1] * p->clutPoints; - - /* Private: compute offsets from base of cube to other corners */ - for (p->dcube[0] = 0, g = 1, j = 0; j < p->inputChan; j++) { - for (i = 0; i < g; i++) - p->dcube[g+i] = p->dcube[i] + p->dinc[j]; - g *= 2; - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmLut_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmLut *p = (icmLut *)pp; - icc *icp = p->icp; - unsigned int i,j; - unsigned int len, size; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmLut_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmLut_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmLut_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write the info common to 8 and 16 bit Lut */ - if ((rv = write_UInt8Number(p->inputChan, bp+8)) != 0) { - sprintf(icp->err,"icmLut_write: write_UInt8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt8Number(p->outputChan, bp+9)) != 0) { - sprintf(icp->err,"icmLut_write: write_UInt8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt8Number(p->clutPoints, bp+10)) != 0) { - sprintf(icp->err,"icmLut_write: write_UInt8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - write_UInt8Number(0, bp+11); /* Set padding to 0 */ - - /* Write 3x3 transform matrix */ - for (j = 0; j < 3; j++) { /* Rows */ - for (i = 0; i < 3; i++) { /* Columns */ - if ((rv = write_S15Fixed16Number(p->e[j][i],bp + 12 + ((j * 3 + i) * 4))) != 0) { - sprintf(icp->err,"icmLut_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write 16 bit specific stuff */ - if (p->ttype == icSigLut8Type) { - if (p->inputEnt != 256 || p->outputEnt != 256) { - sprintf(icp->err,"icmLut_write: 8 bit Input and Output tables must be 256 entries"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp = buf+48; - } else { - if (p->inputEnt > 4096 || p->outputEnt > 4096) { - sprintf(icp->err,"icmLut_write: 16 bit Input and Output tables must each be less than 4096 entries"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if ((rv = write_UInt16Number(p->inputEnt, bp+48)) != 0) { - sprintf(icp->err,"icmLut_write: write_UInt16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt16Number(p->outputEnt, bp+50)) != 0) { - sprintf(icp->err,"icmLut_write: write_UInt16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp = buf+52; - } - - /* Write the input tables */ - size = (p->inputChan * p->inputEnt); - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) { - if ((rv = write_DCS8Number(p->inputTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: inputTable write_DCS8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } else { - for (i = 0; i < size; i++, bp += 2) { - if ((rv = write_DCS16Number(p->inputTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: inputTable write_DCS16Number(%f) failed",p->inputTable[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write the clut table */ - size = (p->outputChan * sat_pow(p->clutPoints,p->inputChan)); - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) { - if ((rv = write_DCS8Number(p->clutTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: clutTable write_DCS8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } else { - for (i = 0; i < size; i++, bp += 2) { - if ((rv = write_DCS16Number(p->clutTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: clutTable write_DCS16Number(%f) failed",p->clutTable[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write the output tables */ - size = (p->outputChan * p->outputEnt); - if (p->ttype == icSigLut8Type) { - for (i = 0; i < size; i++, bp += 1) { - if ((rv = write_DCS8Number(p->outputTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: outputTable write_DCS8Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } else { - for (i = 0; i < size; i++, bp += 2) { - if ((rv = write_DCS16Number(p->outputTable[i], bp)) != 0) { - sprintf(icp->err,"icmLut_write: outputTable write_DCS16Number(%f) failed",p->outputTable[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write buffer to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmLut_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmLut_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmLut *p = (icmLut *)pp; - if (verb <= 0) - return; - - if (p->ttype == icSigLut8Type) { - op->gprintf(op,"Lut8:\n"); - } else { - op->gprintf(op,"Lut16:\n"); - } - op->gprintf(op," Input Channels = %u\n",p->inputChan); - op->gprintf(op," Output Channels = %u\n",p->outputChan); - op->gprintf(op," CLUT resolution = %u\n",p->clutPoints); - op->gprintf(op," Input Table entries = %u\n",p->inputEnt); - op->gprintf(op," Output Table entries = %u\n",p->outputEnt); - op->gprintf(op," XYZ matrix = %f, %f, %f\n",p->e[0][0],p->e[0][1],p->e[0][2]); - op->gprintf(op," %f, %f, %f\n",p->e[1][0],p->e[1][1],p->e[1][2]); - op->gprintf(op," %f, %f, %f\n",p->e[2][0],p->e[2][1],p->e[2][2]); - - if (verb >= 2) { - unsigned int i, j, size; - unsigned int ii[MAX_CHAN]; /* maximum no of input channels */ - - op->gprintf(op," Input table:\n"); - for (i = 0; i < p->inputEnt; i++) { - op->gprintf(op," %3u: ",i); - for (j = 0; j < p->inputChan; j++) - op->gprintf(op," %1.10f",p->inputTable[j * p->inputEnt + i]); - op->gprintf(op,"\n"); - } - - op->gprintf(op,"\n CLUT table:\n"); - if (p->inputChan > MAX_CHAN) { - op->gprintf(op," !!Can't dump > %d input channel CLUT table!!\n",MAX_CHAN); - } else { - size = (p->outputChan * sat_pow(p->clutPoints,p->inputChan)); - for (j = 0; j < p->inputChan; j++) - ii[j] = 0; - for (i = 0; i < size;) { - unsigned int k; - /* Print table entry index */ - op->gprintf(op," "); - for (j = p->inputChan-1; j < p->inputChan; j--) - op->gprintf(op," %2u",ii[j]); - op->gprintf(op,":"); - /* Print table entry contents */ - for (k = 0; k < p->outputChan; k++, i++) - op->gprintf(op," %1.10f",p->clutTable[i]); - op->gprintf(op,"\n"); - - for (j = 0; j < p->inputChan; j++) { /* Increment index */ - ii[j]++; - if (ii[j] < p->clutPoints) - break; /* No carry */ - ii[j] = 0; - } - } - } - - op->gprintf(op,"\n Output table:\n"); - for (i = 0; i < p->outputEnt; i++) { - op->gprintf(op," %3u: ",i); - for (j = 0; j < p->outputChan; j++) - op->gprintf(op," %1.10f",p->outputTable[j * p->outputEnt + i]); - op->gprintf(op,"\n"); - } - - } -} - -/* Allocate variable sized data elements */ -static int icmLut_allocate( - icmBase *pp -) { - unsigned int i, j, g, size; - icmLut *p = (icmLut *)pp; - icc *icp = p->icp; - - /* Sanity check */ - if (p->inputChan < 1) { - sprintf(icp->err,"icmLut_alloc: Can't handle %d input channels\n",p->inputChan); - return icp->errc = 1; - } - - if (p->inputChan > MAX_CHAN) { - sprintf(icp->err,"icmLut_alloc: Can't handle > %d input channels\n",MAX_CHAN); - return icp->errc = 1; - } - - if (p->outputChan > MAX_CHAN) { - sprintf(icp->err,"icmLut_alloc: Can't handle > %d output channels\n",MAX_CHAN); - return icp->errc = 1; - } - - if ((size = sat_mul(p->inputChan, p->inputEnt)) == UINT_MAX) { - sprintf(icp->err,"icmLut_alloc size overflow"); - return icp->errc = 1; - } - if (size != p->inputTable_size) { - if (ovr_mul(size, sizeof(double))) { - sprintf(icp->err,"icmLut_alloc: size overflow"); - return icp->errc = 1; - } - if (p->inputTable != NULL) - icp->al->free(icp->al, p->inputTable); - if ((p->inputTable = (double *) icp->al->calloc(icp->al,size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmLut_alloc: calloc() of Lut inputTable data failed"); - return icp->errc = 2; - } - p->inputTable_size = size; - } - if ((size = sat_mul(p->outputChan, sat_pow(p->clutPoints,p->inputChan))) == UINT_MAX) { - sprintf(icp->err,"icmLut_alloc size overflow"); - return icp->errc = 1; - } - if (size != p->clutTable_size) { - if (ovr_mul(size, sizeof(double))) { - sprintf(icp->err,"icmLut_alloc: size overflow"); - return icp->errc = 1; - } - if (p->clutTable != NULL) - icp->al->free(icp->al, p->clutTable); - if ((p->clutTable = (double *) icp->al->calloc(icp->al,size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmLut_alloc: calloc() of Lut clutTable data failed"); - return icp->errc = 2; - } - p->clutTable_size = size; - } - if ((size = sat_mul(p->outputChan, p->outputEnt)) == UINT_MAX) { - sprintf(icp->err,"icmLut_alloc size overflow"); - return icp->errc = 1; - } - if (size != p->outputTable_size) { - if (ovr_mul(size, sizeof(double))) { - sprintf(icp->err,"icmLut_alloc: size overflow"); - return icp->errc = 1; - } - if (p->outputTable != NULL) - icp->al->free(icp->al, p->outputTable); - if ((p->outputTable = (double *) icp->al->calloc(icp->al,size, sizeof(double))) == NULL) { - sprintf(icp->err,"icmLut_alloc: calloc() of Lut outputTable data failed"); - return icp->errc = 2; - } - p->outputTable_size = size; - } - - /* Private: compute dimensional increment though clut */ - /* Note that first channel varies least rapidly. */ - i = p->inputChan-1; - p->dinc[i--] = p->outputChan; - for (; i < p->inputChan; i--) - p->dinc[i] = p->dinc[i+1] * p->clutPoints; - - /* Private: compute offsets from base of cube to other corners */ - for (p->dcube[0] = 0, g = 1, j = 0; j < p->inputChan; j++) { - for (i = 0; i < g; i++) - p->dcube[g+i] = p->dcube[i] + p->dinc[j]; - g *= 2; - } - - return 0; -} - -/* Free all storage in the object */ -static void icmLut_delete( - icmBase *pp -) { - icmLut *p = (icmLut *)pp; - icc *icp = p->icp; - int i; - - if (p->inputTable != NULL) - icp->al->free(icp->al, p->inputTable); - if (p->clutTable != NULL) - icp->al->free(icp->al, p->clutTable); - if (p->outputTable != NULL) - icp->al->free(icp->al, p->outputTable); - for (i = 0; i < p->inputChan; i++) - icmTable_delete_bwd(icp, &p->rit[i]); - for (i = 0; i < p->outputChan; i++) - icmTable_delete_bwd(icp, &p->rot[i]); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmLut( - icc *icp -) { - int i,j; - icmLut *p; - if ((p = (icmLut *) icp->al->calloc(icp->al,1,sizeof(icmLut))) == NULL) - return NULL; - p->ttype = icSigLut16Type; - p->refcount = 1; - p->get_size = icmLut_get_size; - p->read = icmLut_read; - p->write = icmLut_write; - p->dump = icmLut_dump; - p->allocate = icmLut_allocate; - p->del = icmLut_delete; - - /* Lookup methods */ - p->nu_matrix = icmLut_nu_matrix; - p->min_max = icmLut_min_max; - p->lookup_matrix = icmLut_lookup_matrix; - p->lookup_input = icmLut_lookup_input; - p->lookup_clut_nl = icmLut_lookup_clut_nl; - p->lookup_clut_sx = icmLut_lookup_clut_sx; - p->lookup_output = icmLut_lookup_output; - - /* Set method */ - p->set_tables = icmLut_set_tables; - - p->icp = icp; - - /* Set matrix to reasonable default */ - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) { - if (i == j) - p->e[i][j] = 1.0; - else - p->e[i][j] = 0.0; - } - - /* Init lookups to non-dangerous values */ - for (i = 0; i < MAX_CHAN; i++) - p->dinc[i] = 0; - - for (i = 0; i < (1 << MAX_CHAN); i++) - p->dcube[i] = 0; - - for (i = 0; i < MAX_CHAN; i++) { - p->rit[i].inited = 0; - p->rot[i].inited = 0; - } - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* Measurement */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmMeasurement_get_size( - icmBase *pp -) { - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for standard observer */ - len = sat_add(len, 12); /* 12 for XYZ of measurement backing */ - len = sat_add(len, 4); /* 4 for measurement geometry */ - len = sat_add(len, 4); /* 4 for measurement flare */ - len = sat_add(len, 4); /* 4 for standard illuminant */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmMeasurement_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmMeasurement *p = (icmMeasurement *)pp; - icc *icp = p->icp; - int rv; - char *bp, *buf; - - if (len < 36) { - sprintf(icp->err,"icmMeasurement_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmMeasurement_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmMeasurement_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmMeasurement_read: Wrong tag type for icmMeasurement"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read the encoded standard observer */ - p->observer = (icStandardObserver)read_SInt32Number(bp + 8); - - /* Read the XYZ values for measurement backing */ - if ((rv = read_XYZNumber(&p->backing, bp+12)) != 0) { - sprintf(icp->err,"icmMeasurement: read_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Read the encoded measurement geometry */ - p->geometry = (icMeasurementGeometry)read_SInt32Number(bp + 24); - - /* Read the proportion of flare */ - p->flare = read_U16Fixed16Number(bp + 28); - - /* Read the encoded standard illuminant */ - p->illuminant = (icIlluminant)read_SInt32Number(bp + 32); - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmMeasurement_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmMeasurement *p = (icmMeasurement *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmMeasurement_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmMeasurement_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmMeasurement_write, type: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write the encoded standard observer */ - if ((rv = write_SInt32Number((int)p->observer, bp + 8)) != 0) { - sprintf(icp->err,"icmMeasurementa_write, observer: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the XYZ values for measurement backing */ - if ((rv = write_XYZNumber(&p->backing, bp+12)) != 0) { - sprintf(icp->err,"icmMeasurement, backing: write_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the encoded measurement geometry */ - if ((rv = write_SInt32Number((int)p->geometry, bp + 24)) != 0) { - sprintf(icp->err,"icmMeasurementa_write, geometry: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the proportion of flare */ - if ((rv = write_U16Fixed16Number(p->flare, bp + 28)) != 0) { - sprintf(icp->err,"icmMeasurementa_write, flare: write_U16Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the encoded standard illuminant */ - if ((rv = write_SInt32Number((int)p->illuminant, bp + 32)) != 0) { - sprintf(icp->err,"icmMeasurementa_write, illuminant: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmMeasurement_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmMeasurement_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmMeasurement *p = (icmMeasurement *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Measurement:\n"); - op->gprintf(op," Standard Observer = %s\n", string_StandardObserver(p->observer)); - op->gprintf(op," XYZ for Measurement Backing = %s\n", string_XYZNumber_and_Lab(&p->backing)); - op->gprintf(op," Measurement Geometry = %s\n", string_MeasurementGeometry(p->geometry)); - op->gprintf(op," Measurement Flare = %5.1f%%\n", p->flare * 100.0); - op->gprintf(op," Standard Illuminant = %s\n", string_Illuminant(p->illuminant)); -} - -/* Allocate variable sized data elements */ -static int icmMeasurement_allocate( - icmBase *pp -) { - /* Nothing to do */ - return 0; -} - -/* Free all storage in the object */ -static void icmMeasurement_delete( - icmBase *pp -) { - icmMeasurement *p = (icmMeasurement *)pp; - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmMeasurement( - icc *icp -) { - icmMeasurement *p; - if ((p = (icmMeasurement *) icp->al->calloc(icp->al,1,sizeof(icmMeasurement))) == NULL) - return NULL; - p->ttype = icSigMeasurementType; - p->refcount = 1; - p->get_size = icmMeasurement_get_size; - p->read = icmMeasurement_read; - p->write = icmMeasurement_write; - p->dump = icmMeasurement_dump; - p->allocate = icmMeasurement_allocate; - p->del = icmMeasurement_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ - -/* Named color structure read/write support */ -static int read_NamedColorVal( - icmNamedColorVal *p, - char *bp, - char *end, - icColorSpaceSignature pcs, /* Header Profile Connection Space */ - unsigned int ndc /* Number of device corrds */ -) { - icc *icp = p->icp; - unsigned int i; - unsigned int mxl; /* Max possible string length */ - int rv; - - if (bp > end) { - sprintf(icp->err,"icmNamedColorVal_read: Data too short to read"); - return icp->errc = 1; - } - mxl = (end - bp) < 32 ? (end - bp) : 32; - if ((rv = check_null_string(bp,mxl)) == 1) { - sprintf(icp->err,"icmNamedColorVal_read: Root name string not terminated"); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - strcpy(p->root, bp); - bp += strlen(p->root) + 1; - if (bp > end || ndc > (end - bp)) { - sprintf(icp->err,"icmNamedColorVal_read: Data too short to read device coords"); - return icp->errc = 1; - } - for (i = 0; i < ndc; i++) { - p->deviceCoords[i] = read_DCS8Number(bp); - bp += 1; - } - return 0; -} - -static int read_NamedColorVal2( - icmNamedColorVal *p, - char *bp, - char *end, - icColorSpaceSignature pcs, /* Header Profile Connection Space */ - unsigned int ndc /* Number of device coords */ -) { - int rv; - icc *icp = p->icp; - unsigned int i; - - if (bp > end - || (32 + 6) > (end - bp) - || ndc > (end - bp - 32 - 6)/2) { - sprintf(icp->err,"icmNamedColorVal2_read: Data too short to read"); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,32)) == 1) { - sprintf(icp->err,"icmNamedColorVal2_read: Root name string not terminated"); - return icp->errc = 1; - } - memmove((void *)p->root,(void *)(bp + 0),32); - switch(pcs) { - case icSigXYZData: - read_PCSNumber(icp, icSigXYZData, p->pcsCoords, bp+32); - break; - case icSigLabData: - /* namedColor2Type retains legacy Lab encoding */ - read_PCSNumber(icp, icmSigLabV2Data, p->pcsCoords, bp+32); - break; - default: - return 1; /* Unknown PCS */ - } - for (i = 0; i < ndc; i++) - p->deviceCoords[i] = read_DCS16Number(bp + 32 + 6 + 2 * i); - return 0; -} - -static int write_NamedColorVal( - icmNamedColorVal *p, - char *d, - icColorSpaceSignature pcs, /* Header Profile Connection Space */ - unsigned int ndc /* Number of device corrds */ -) { - icc *icp = p->icp; - unsigned int i; - int rv; - - if ((rv = check_null_string(p->root,32)) == 1) { - sprintf(icp->err,"icmNamedColorVal_write: Root string names is unterminated"); - return icp->errc = 1; - } - strcpy(d, p->root); - d += strlen(p->root) + 1; - for (i = 0; i < ndc; i++) { - if ((rv = write_DCS8Number(p->deviceCoords[i], d)) != 0) { - sprintf(icp->err,"icmNamedColorVal_write: write of device coord failed"); - return icp->errc = 1; - } - d += 1; - } - return 0; -} - -static int write_NamedColorVal2( - icmNamedColorVal *p, - char *bp, - icColorSpaceSignature pcs, /* Header Profile Connection Space */ - unsigned int ndc /* Number of device coords */ -) { - icc *icp = p->icp; - unsigned int i; - int rv; - - if ((rv = check_null_string(p->root,32)) == 1) { - sprintf(icp->err,"icmNamedColorVal2_write: Root string names is unterminated"); - return icp->errc = 1; - } - rv = 0; - memmove((void *)(bp + 0),(void *)p->root,32); - switch(pcs) { - case icSigXYZData: - rv |= write_PCSNumber(icp, icSigXYZData, p->pcsCoords, bp+32); - break; - case icSigLabData: - /* namedColor2Type retains legacy Lab encoding */ - rv |= write_PCSNumber(icp, icmSigLabV2Data, p->pcsCoords, bp+32); - break; - default: - sprintf(icp->err,"icmNamedColorVal2_write: Unknown PCS"); - return icp->errc = 1; - } - if (rv) { - sprintf(icp->err,"icmNamedColorVal2_write: write of PCS coord failed"); - return icp->errc = 1; - } - for (i = 0; i < ndc; i++) { - if ((rv = write_DCS16Number(p->deviceCoords[i], bp + 32 + 6 + 2 * i)) != 0) { - sprintf(icp->err,"icmNamedColorVal2_write: write of device coord failed"); - return icp->errc = 1; - } - } - return 0; -} - -/* - - - - - - - - - - - */ -/* icmNamedColor object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmNamedColor_get_size( - icmBase *pp -) { - icmNamedColor *p = (icmNamedColor *)pp; - unsigned int len = 0; - if (p->ttype == icSigNamedColorType) { - unsigned int i; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for vendor specific flags */ - len = sat_add(len, 4); /* 4 for count of named colors */ - len = sat_add(len, strlen(p->prefix) + 1); /* prefix of color names */ - len = sat_add(len, strlen(p->suffix) + 1); /* suffix of color names */ - for (i = 0; i < p->count; i++) { - len = sat_add(len, strlen(p->data[i].root) + 1); /* color names */ - len = sat_add(len, p->nDeviceCoords * 1); /* bytes for each named color */ - } - } else { /* Named Color 2 */ - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for vendor specific flags */ - len = sat_add(len, 4); /* 4 for count of named colors */ - len = sat_add(len, 4); /* 4 for number of device coords */ - len = sat_add(len, 32); /* 32 for prefix of color names */ - len = sat_add(len, 32); /* 32 for suffix of color names */ - len = sat_add(len, sat_mul(p->count, (32 + 6 + p->nDeviceCoords * 2))); - /* bytes for each named color */ - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmNamedColor_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmNamedColor *p = (icmNamedColor *)pp; - icc *icp = p->icp; - unsigned int i; - char *bp, *buf, *end; - int rv; - - if (len < 4) { - sprintf(icp->err,"icmNamedColor_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmNamedColor_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmNamedColor_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - p->ttype = (icTagTypeSignature)read_SInt32Number(bp); - if (p->ttype != icSigNamedColorType && p->ttype != icSigNamedColor2Type) { - sprintf(icp->err,"icmNamedColor_read: Wrong tag type for icmNamedColor"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - if (p->ttype == icSigNamedColorType) { - if (len < 16) { - sprintf(icp->err,"icmNamedColor_read: Tag too small to be legal"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Make sure that the number of device coords in known */ - p->nDeviceCoords = number_ColorSpaceSignature(icp->header->colorSpace); - if (p->nDeviceCoords > MAX_CHAN) { - sprintf(icp->err,"icmNamedColor_read: Can't handle more than %d device channels",MAX_CHAN); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - } else { /* icmNC2 */ - if (len < 84) { - sprintf(icp->err,"icmNamedColor_read: Tag too small to be legal"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } - - /* Read vendor specific flag */ - p->vendorFlag = read_UInt32Number(bp+8); - - /* Read count of named colors */ - p->count = read_UInt32Number(bp+12); - - if (p->ttype == icSigNamedColorType) { - unsigned int mxl; /* Max possible string length */ - bp = bp + 16; - - /* Prefix for each color name */ - if (bp > end) { - sprintf(icp->err,"icmNamedColor_read: Data too short to read"); - return icp->errc = 1; - } - mxl = (end - bp) < 32 ? (end - bp) : 32; - if ((rv = check_null_string(bp,mxl)) == 1) { - sprintf(icp->err,"icmNamedColor_read: Color prefix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - strcpy(p->prefix, bp); - bp += strlen(p->prefix) + 1; - - /* Suffix for each color name */ - if (bp > end) { - sprintf(icp->err,"icmNamedColor_read: Data too short to read"); - return icp->errc = 1; - } - mxl = (end - bp) < 32 ? (end - bp) : 32; - if ((rv = check_null_string(bp,mxl)) == 1) { - sprintf(icp->err,"icmNamedColor_read: Color suffix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - strcpy(p->suffix, bp); - bp += strlen(p->suffix) + 1; - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read all the data from the buffer */ - for (i = 0; i < p->count; i++) { - if ((rv = read_NamedColorVal(p->data+i, bp, end, icp->header->pcs, p->nDeviceCoords)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - bp += strlen(p->data[i].root) + 1; - bp += p->nDeviceCoords * 1; - } - } else { /* icmNC2 */ - /* Number of device coords per color */ - p->nDeviceCoords = read_UInt32Number(bp+16); - if (p->nDeviceCoords > MAX_CHAN) { - sprintf(icp->err,"icmNamedColor_read: Can't handle more than %d device channels",MAX_CHAN); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Prefix for each color name */ - memmove((void *)p->prefix, (void *)(bp + 20), 32); - if ((rv = check_null_string(p->prefix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_read: Color prefix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Suffix for each color name */ - memmove((void *)p->suffix, (void *)(bp + 52), 32); - if ((rv = check_null_string(p->suffix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_read: Color suffix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read all the data from the buffer */ - bp = bp + 84; - for (i = 0; i < p->count; i++) { - if ((rv = read_NamedColorVal2(p->data+i, bp, end, icp->header->pcs, p->nDeviceCoords)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - bp += 32 + 6 + p->nDeviceCoords * 2; - } - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmNamedColor_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmNamedColor *p = (icmNamedColor *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmNamedColor_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmNamedColor_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmNamedColor_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write vendor specific flag */ - if ((rv = write_UInt32Number(p->vendorFlag, bp+8)) != 0) { - sprintf(icp->err,"icmNamedColor_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write count of named colors */ - if ((rv = write_UInt32Number(p->count, bp+12)) != 0) { - sprintf(icp->err,"icmNamedColor_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - if (p->ttype == icSigNamedColorType) { - bp = bp + 16; - - /* Prefix for each color name */ - if ((rv = check_null_string(p->prefix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_write: Color prefix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - strcpy(bp, p->prefix); - bp += strlen(p->prefix) + 1; - - /* Suffix for each color name */ - if ((rv = check_null_string(p->suffix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_write: Color sufix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - strcpy(bp, p->suffix); - bp += strlen(p->suffix) + 1; - - /* Write all the data to the buffer */ - - for (i = 0; i < p->count; i++) { - if ((rv = write_NamedColorVal(p->data+i, bp, icp->header->pcs, p->nDeviceCoords)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - bp += strlen(p->data[i].root) + 1; - bp += p->nDeviceCoords * 1; - } - } else { /* icmNC2 */ - /* Number of device coords per color */ - if ((rv = write_UInt32Number(p->nDeviceCoords, bp+16)) != 0) { - sprintf(icp->err,"icmNamedColor_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Prefix for each color name */ - if ((rv = check_null_string(p->prefix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_write: Color prefix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - memmove((void *)(bp + 20), (void *)p->prefix, 32); - - /* Suffix for each color name */ - if ((rv = check_null_string(p->suffix,32)) == 1) { - sprintf(icp->err,"icmNamedColor_write: Color sufix is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - memmove((void *)(bp + 52), (void *)p->suffix, 32); - - /* Write all the data to the buffer */ - bp = bp + 84; - for (i = 0; i < p->count; i++, bp += (32 + 6 + p->nDeviceCoords * 2)) { - if ((rv = write_NamedColorVal2(p->data+i, bp, icp->header->pcs, p->nDeviceCoords)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmNamedColor_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmNamedColor_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmNamedColor *p = (icmNamedColor *)pp; - icc *icp = p->icp; - if (verb <= 0) - return; - - if (p->ttype == icSigNamedColorType) - op->gprintf(op,"NamedColor:\n"); - else - op->gprintf(op,"NamedColor2:\n"); - op->gprintf(op," Vendor Flag = 0x%x\n",p->vendorFlag); - op->gprintf(op," No. colors = %u\n",p->count); - op->gprintf(op," No. dev. coords = %u\n",p->nDeviceCoords); - op->gprintf(op," Name prefix = '%s'\n",p->prefix); - op->gprintf(op," Name suffix = '%s'\n",p->suffix); - if (verb >= 2) { - unsigned int i, n; - icmNamedColorVal *vp; - for (i = 0; i < p->count; i++) { - vp = p->data + i; - op->gprintf(op," Color %lu:\n",i); - op->gprintf(op," Name root = '%s'\n",vp->root); - - if (p->ttype == icSigNamedColor2Type) { - switch(icp->header->pcs) { - case icSigXYZData: - op->gprintf(op," XYZ = %f, %f, %f\n", - vp->pcsCoords[0],vp->pcsCoords[1],vp->pcsCoords[2]); - break; - case icSigLabData: - op->gprintf(op," Lab = %f, %f, %f\n", - vp->pcsCoords[0],vp->pcsCoords[1],vp->pcsCoords[2]); - break; - default: - op->gprintf(op," Unexpected PCS\n"); - break; - } - } - if (p->nDeviceCoords > 0) { - op->gprintf(op," Device Coords = "); - for (n = 0; n < p->nDeviceCoords; n++) { - if (n > 0) - op->gprintf(op,", "); - op->gprintf(op,"%f",vp->deviceCoords[n]); - } - op->gprintf(op,"\n"); - } - } - } -} - -/* Allocate variable sized data elements */ -static int icmNamedColor_allocate( - icmBase *pp -) { - icmNamedColor *p = (icmNamedColor *)pp; - icc *icp = p->icp; - - if (p->count != p->_count) { - unsigned int i; - if (ovr_mul(p->count, sizeof(icmNamedColorVal))) { - sprintf(icp->err,"icmNamedColor_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmNamedColorVal *) icp->al->calloc(icp->al,p->count, sizeof(icmNamedColorVal))) == NULL) { - sprintf(icp->err,"icmNamedColor_alloc: malloc() of icmNamedColor data failed"); - return icp->errc = 2; - } - for (i = 0; i < p->count; i++) { - p->data[i].icp = icp; /* Do init */ - } - p->_count = p->count; - } - return 0; -} - -/* Free all storage in the object */ -static void icmNamedColor_delete( - icmBase *pp -) { - icmNamedColor *p = (icmNamedColor *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmNamedColor( - icc *icp -) { - icmNamedColor *p; - if ((p = (icmNamedColor *) icp->al->calloc(icp->al,1,sizeof(icmNamedColor))) == NULL) - return NULL; - p->ttype = icSigNamedColor2Type; - p->refcount = 1; - p->get_size = icmNamedColor_get_size; - p->read = icmNamedColor_read; - p->write = icmNamedColor_write; - p->dump = icmNamedColor_dump; - p->allocate = icmNamedColor_allocate; - p->del = icmNamedColor_delete; - p->icp = icp; - - /* Default the the number of device coords appropriately for NamedColorType */ - p->nDeviceCoords = number_ColorSpaceSignature(icp->header->colorSpace); - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* Colorant table structure read/write support */ -/* (Contribution from Piet Vandenborre) */ - -static int read_ColorantTableVal( - icmColorantTableVal *p, - char *bp, - char *end, - icColorSpaceSignature pcs /* Header Profile Connection Space */ -) { - int rv; - icc *icp = p->icp; - if (bp > end || (32 + 6) > (end - bp)) { - sprintf(icp->err,"icmColorantTableVal_read: Data too short to read"); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,32)) == 1) { - sprintf(icp->err,"icmColorantTableVal_read: Name string not terminated"); - return icp->errc = 1; - } - memmove((void *)p->name,(void *)(bp + 0),32); - switch(pcs) { - case icSigXYZData: - case icSigLabData: - read_PCSNumber(icp, pcs, p->pcsCoords, bp+32); - break; - default: - return 1; /* Unknown PCS */ - } - return 0; -} - -static int write_ColorantTableVal( - icmColorantTableVal *p, - char *bp, - icColorSpaceSignature pcs /* Header Profile Connection Space */ -) { - int rv; - icc *icp = p->icp; - - if ((rv = check_null_string(p->name,32)) == 1) { - sprintf(icp->err,"icmColorantTableVal_write: Name string is unterminated"); - return icp->errc = 1; - } - memmove((void *)(bp + 0),(void *)p->name,32); - rv = 0; - switch(pcs) { - case icSigXYZData: - case icSigLabData: - rv |= write_PCSNumber(icp, pcs, p->pcsCoords, bp+32); - break; - default: - sprintf(icp->err,"icmColorantTableVal_write: Unknown PCS"); - return icp->errc = 1; - } - if (rv) { - sprintf(icp->err,"icmColorantTableVal_write: write of PCS coord failed"); - return icp->errc = 1; - } - return 0; -} - -/* - - - - - - - - - - - */ -/* icmColorantTable object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmColorantTable_get_size( - icmBase *pp -) { - icmColorantTable *p = (icmColorantTable *)pp; - unsigned int len = 0; - if (p->ttype == icSigColorantTableType - || p->ttype == icmSigAltColorantTableType) { - unsigned int i; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for count of colorants */ - for (i = 0; i < p->count; i++) { - len = sat_add(len, 32); /* colorant names - 32 bytes*/ - len = sat_add(len, 6); /* colorant pcs value - 3 x 16bit number*/ - } - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmColorantTable_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmColorantTable *p = (icmColorantTable *)pp; - icc *icp = p->icp; - icColorSpaceSignature pcs; - unsigned int i; - char *bp, *buf, *end; - int rv = 0; - - if (icp->header->deviceClass != icSigLinkClass) - pcs = icp->header->pcs; - else - pcs = icSigLabData; - - if (len < 4) { - sprintf(icp->err,"icmColorantTable_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmColorantTable_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmColorantTable_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - p->ttype = (icTagTypeSignature)read_SInt32Number(bp); - if (p->ttype != icSigColorantTableType - && p->ttype != icmSigAltColorantTableType) { - sprintf(icp->err,"icmColorantTable_read: Wrong tag type for icmColorantTable"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - if (len < 12) { - sprintf(icp->err,"icmColorantTable_read: Tag too small to be legal"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read count of colorants */ - if (p->ttype == icmSigAltColorantTableType) - p->count = read_UInt8Number(bp+8); /* Hmm. This is Little Endian */ - else - p->count = read_UInt32Number(bp+8); - - if (p->count > ((len - 12) / (32 + 6))) { - sprintf(icp->err,"icmColorantTable_read count overflow, count %x, len %d",p->count,len); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - bp = bp + 12; - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read all the data from the buffer */ - for (i = 0; i < p->count; i++, bp += (32 + 6)) { - if (p->ttype == icmSigAltColorantTableType /* Hack to reverse little endian */ - && (end - bp) >= 38) { - int tt; - tt = *(bp + 32); - *(bp+32) = *(bp+33); - *(bp+33) = tt; - tt = *(bp + 34); - *(bp+34) = *(bp+35); - *(bp+35) = tt; - tt = *(bp + 36); - *(bp+36) = *(bp+37); - *(bp+37) = tt; - } - if ((rv = read_ColorantTableVal(p->data+i, bp, end, pcs)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - } - - icp->al->free(icp->al, buf); - return rv; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmColorantTable_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmColorantTable *p = (icmColorantTable *)pp; - icc *icp = p->icp; - icColorSpaceSignature pcs; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - if (icp->header->deviceClass != icSigLinkClass) - pcs = icp->header->pcs; - else - pcs = icSigLabData; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmColorantTable_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmColorantTable_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmColorantTable_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write count of colorants */ - if ((rv = write_UInt32Number(p->count, bp+8)) != 0) { - sprintf(icp->err,"icmColorantTable_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - bp = bp + 12; - - /* Write all the data to the buffer */ - for (i = 0; i < p->count; i++, bp += (32 + 6)) { - if ((rv = write_ColorantTableVal(p->data+i, bp, pcs)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmColorantTable_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmColorantTable_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmColorantTable *p = (icmColorantTable *)pp; - icc *icp = p->icp; - icColorSpaceSignature pcs; - - if (icp->header->deviceClass != icSigLinkClass) - pcs = icp->header->pcs; - else - pcs = icSigLabData; - - if (verb <= 0) - return; - - if (p->ttype == icSigColorantTableType - || p->ttype == icmSigAltColorantTableType) - op->gprintf(op,"ColorantTable:\n"); - op->gprintf(op," No. colorants = %u\n",p->count); - if (verb >= 2) { - unsigned int i; - icmColorantTableVal *vp; - for (i = 0; i < p->count; i++) { - vp = p->data + i; - op->gprintf(op," Colorant %lu:\n",i); - op->gprintf(op," Name = '%s'\n",vp->name); - - if (p->ttype == icSigColorantTableType - || p->ttype == icmSigAltColorantTableType) { - - switch(pcs) { - case icSigXYZData: - op->gprintf(op," XYZ = %f, %f, %f\n", - vp->pcsCoords[0],vp->pcsCoords[1],vp->pcsCoords[2]); - break; - case icSigLabData: - op->gprintf(op," Lab = %f, %f, %f\n", - vp->pcsCoords[0],vp->pcsCoords[1],vp->pcsCoords[2]); - break; - default: - op->gprintf(op," Unexpected PCS\n"); - break; - } - } - } - } -} - -/* Allocate variable sized data elements */ -static int icmColorantTable_allocate( - icmBase *pp -) { - icmColorantTable *p = (icmColorantTable *)pp; - icc *icp = p->icp; - - if (p->count != p->_count) { - unsigned int i; - if (ovr_mul(p->count, sizeof(icmColorantTableVal))) { - sprintf(icp->err,"icmColorantTable_alloc: count overflow (%d of %ld bytes)",p->count,sizeof(icmColorantTableVal)); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmColorantTableVal *) icp->al->calloc(icp->al,p->count, sizeof(icmColorantTableVal))) == NULL) { - sprintf(icp->err,"icmColorantTable_alloc: malloc() of icmColorantTable data failed"); - return icp->errc = 2; - } - for (i = 0; i < p->count; i++) { - p->data[i].icp = icp; /* Do init */ - } - p->_count = p->count; - } - return 0; -} - -/* Free all storage in the object */ -static void icmColorantTable_delete( - icmBase *pp -) { - icmColorantTable *p = (icmColorantTable *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmColorantTable( - icc *icp -) { - icmColorantTable *p; - if ((p = (icmColorantTable *) icp->al->calloc(icp->al,1,sizeof(icmColorantTable))) == NULL) - return NULL; - p->ttype = icSigColorantTableType; - p->refcount = 1; - p->get_size = icmColorantTable_get_size; - p->read = icmColorantTable_read; - p->write = icmColorantTable_write; - p->dump = icmColorantTable_dump; - p->allocate = icmColorantTable_allocate; - p->del = icmColorantTable_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* textDescription */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmTextDescription_get_size( - icmBase *pp -) { - icmTextDescription *p = (icmTextDescription *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addadd(len, 4, p->size); /* Ascii string length + ascii string */ - len = sat_addaddmul(len, 8, 2, p->ucSize); /* Unicode language code + length + string */ - len = sat_addadd(len, 3, 67); /* ScriptCode code, length string */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmTextDescription_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmTextDescription *p = (icmTextDescription *)pp; - icc *icp = p->icp; - int rv; - char *bp, *buf, *end; - -#ifdef ICM_STRICT - if (len < (8 + 4 + 8 + 3 /* + 67 */)) { -#else - if (len < (8 + 4 + 8 + 3)) { -#endif - sprintf(icp->err,"icmTextDescription_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmTextDescription_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmTextDescription_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read from the buffer into the structure */ - if ((rv = p->core_read(p, &bp, end)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* core read the object, return 0 on success, error code on fail */ -static int icmTextDescription_core_read( - icmTextDescription *p, - char **bpp, /* Pointer to buffer pointer, returns next after read */ - char *end /* Pointer to past end of read buffer */ -) { - icc *icp = p->icp; - int rv; - char *bp = *bpp; - - if (bp > end || 8 > (end - bp)) { - sprintf(icp->err,"icmTextDescription_read: Data too short to type descriptor"); - *bpp = bp; - return icp->errc = 1; - } - - p->size = read_UInt32Number(bp); - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Wrong tag type ('%s') for icmTextDescription", - tag2str((icTagTypeSignature)read_SInt32Number(bp))); - return icp->errc = 1; - } - bp = bp + 8; - - /* Read the Ascii string */ - if (bp > end || 4 > (end - bp)) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read Ascii header"); - return icp->errc = 1; - } - p->size = read_UInt32Number(bp); - bp += 4; - if (p->size > 0) { - if (bp > end || p->size > (end - bp)) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read Ascii string"); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,p->size)) == 1) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: ascii string is not terminated"); - return icp->errc = 1; - } -#ifdef ICM_STRICT - if (rv == 2) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: ascii string is shorter than count"); - return icp->errc = 1; - } -#endif - if ((rv = p->allocate((icmBase *)p)) != 0) { - return rv; - } - strcpy(p->desc, bp); - bp += p->size; - } - - /* Read the Unicode string */ - if (bp > end || 8 > (end - bp)) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read Unicode string"); - return icp->errc = 1; - } - p->ucLangCode = read_UInt32Number(bp); - bp += 4; - p->ucSize = read_UInt32Number(bp); - bp += 4; - if (p->ucSize > 0) { - ORD16 *up; - char *tbp; - if (bp > end || p->ucSize > (end - bp)/2) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read Unicode string"); - return icp->errc = 1; - } - if ((rv = check_null_string16(bp,p->ucSize)) == 1) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Unicode string is not terminated"); - return icp->errc = 1; - } -#ifdef ICM_STRICT - if (rv == 2) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Unicode string is shorter than count"); - return icp->errc = 1; - } -#endif - if ((rv = p->allocate((icmBase *)p)) != 0) { - return rv; - } - for (up = p->ucDesc, tbp = bp; tbp[0] != 0 || tbp[1] != 0; up++, tbp += 2) - *up = read_UInt16Number(tbp); - *up = 0; /* Unicode null */ - bp += p->ucSize * 2; - } - - /* Read the ScriptCode string */ - if (bp > end || 3 > (end - bp)) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read ScriptCode header"); - return icp->errc = 1; - } - p->scCode = read_UInt16Number(bp); - bp += 2; - p->scSize = read_UInt8Number(bp); - bp += 1; - if (p->scSize > 0) { - if (p->scSize > 67) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: ScriptCode string too long"); - return icp->errc = 1; - } - if (bp > end || p->scSize > (end - bp)) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: Data too short to read ScriptCode string"); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,p->scSize)) == 1) { -#ifdef ICM_STRICT - *bpp = bp; - sprintf(icp->err,"icmTextDescription_read: ScriptCode string is not terminated"); - return icp->errc = 1; -#else - /* Patch it up */ - bp[p->scSize-1] = '\000'; -#endif - } - memmove((void *)p->scDesc, (void *)bp, p->scSize); - } else { - memset((void *)p->scDesc, 0, 67); - } - bp += 67; - - *bpp = bp; - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmTextDescription_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmTextDescription *p = (icmTextDescription *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmTextDescription_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmTextDescription_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write to the buffer from the structure */ - if ((rv = p->core_write(p, &bp)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmTextDescription_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Core write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmTextDescription_core_write( - icmTextDescription *p, - char **bpp /* Pointer to buffer pointer, returns next after read */ -) { - icc *icp = p->icp; - char *bp = *bpp; - int rv; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_SInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp = bp + 8; - - /* Write the Ascii string */ - if ((rv = write_UInt32Number(p->size,bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - bp += 4; - if (p->size > 0) { - if ((rv = check_null_string(p->desc,p->size)) == 1) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: ascii string is not terminated"); - return icp->errc = 1; - } - if (rv == 2) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: ascii string is shorter than length"); - return icp->errc = 1; - } - strcpy(bp, p->desc); - bp += strlen(p->desc) + 1; - } - - /* Write the Unicode string */ - if ((rv = write_UInt32Number(p->ucLangCode, bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - bp += 4; - if ((rv = write_UInt32Number(p->ucSize, bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - bp += 4; - if (p->ucSize > 0) { - ORD16 *up; - if ((rv = check_null_string16((char *)p->ucDesc,p->ucSize)) == 1) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: Unicode string is not terminated"); - return icp->errc = 1; - } - if (rv == 2) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: Unicode string is shorter than length"); - return icp->errc = 1; - } - for(up = p->ucDesc; *up != 0; up++, bp += 2) { - if ((rv = write_UInt16Number(((unsigned int)*up), bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt16Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - } - bp[0] = 0; /* null */ - bp[1] = 0; - bp += 2; - } - - /* Write the ScriptCode string */ - if ((rv = write_UInt16Number(p->scCode, bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt16Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - bp += 2; - if ((rv = write_UInt8Number(p->scSize, bp)) != 0) { - sprintf(icp->err,"icmTextDescription_write: write_UInt8Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - bp += 1; - if (p->scSize > 0) { - if (p->scSize > 67) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: ScriptCode string too long"); - return icp->errc = 1; - } - if ((rv = check_null_string((char *)p->scDesc,p->scSize)) == 1) { - *bpp = bp; - sprintf(icp->err,"icmTextDescription_write: ScriptCode string is not terminated"); - return icp->errc = 1; - } - memmove((void *)bp, (void *)p->scDesc, 67); - } else { - memset((void *)bp, 0, 67); - } - bp += 67; - - *bpp = bp; - return 0; -} - -/* Dump a text description of the object */ -static void icmTextDescription_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmTextDescription *p = (icmTextDescription *)pp; - unsigned int i, r, c; - - if (verb <= 0) - return; - - op->gprintf(op,"TextDescription:\n"); - - if (p->size > 0) { - unsigned int size = p->size > 0 ? p->size-1 : 0; - op->gprintf(op," ASCII data, length %lu chars:\n",p->size); - - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 75) { - if (isprint(p->desc[i])) { - op->gprintf(op,"%c",p->desc[i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->desc[i]); - c += 4; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - } else { - op->gprintf(op," No ASCII data\n"); - } - - /* Can't dump Unicode or ScriptCode as text with portable code */ - if (p->ucSize > 0) { - unsigned int size = p->ucSize; - op->gprintf(op," Unicode Data, Language code 0x%x, length %lu chars\n", - p->ucLangCode, p->ucSize); - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 75) { - op->gprintf(op,"%04x ",p->ucDesc[i]); - c += 5; - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - } else { - op->gprintf(op," No Unicode data\n"); - } - if (p->scSize > 0) { - unsigned int size = p->scSize; - op->gprintf(op," ScriptCode Data, Code 0x%x, length %lu chars\n", - p->scCode, p->scSize); - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 75) { - op->gprintf(op,"%02x ",p->scDesc[i]); - c += 3; - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - } else { - op->gprintf(op," No ScriptCode data\n"); - } -} - -/* Allocate variable sized data elements */ -static int icmTextDescription_allocate( - icmBase *pp -) { - icmTextDescription *p = (icmTextDescription *)pp; - icc *icp = p->icp; - - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(char))) { - sprintf(icp->err,"icmTextDescription_alloc: size overflow"); - return icp->errc = 1; - } - if (p->desc != NULL) - icp->al->free(icp->al, p->desc); - if ((p->desc = (char *) icp->al->calloc(icp->al, p->size, sizeof(char))) == NULL) { - sprintf(icp->err,"icmTextDescription_alloc: malloc() of Ascii description failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - if (p->ucSize != p->uc_size) { - if (ovr_mul(p->ucSize, sizeof(ORD16))) { - sprintf(icp->err,"icmTextDescription_alloc: size overflow"); - return icp->errc = 1; - } - if (p->ucDesc != NULL) - icp->al->free(icp->al, p->ucDesc); - if ((p->ucDesc = (ORD16 *) icp->al->calloc(icp->al, p->ucSize, sizeof(ORD16))) == NULL) { - sprintf(icp->err,"icmTextDescription_alloc: malloc() of Unicode description failed"); - return icp->errc = 2; - } - p->uc_size = p->ucSize; - } - return 0; -} - -/* Free all variable sized elements */ -static void icmTextDescription_unallocate( - icmTextDescription *p -) { - icc *icp = p->icp; - - if (p->desc != NULL) - icp->al->free(icp->al, p->desc); - if (p->ucDesc != NULL) - icp->al->free(icp->al, p->ucDesc); -} - -/* Free all storage in the object */ -static void icmTextDescription_delete( - icmBase *pp -) { - icmTextDescription *p = (icmTextDescription *)pp; - icc *icp = p->icp; - - icmTextDescription_unallocate(p); - icp->al->free(icp->al, p); -} - -/* Initialze a named object */ -static void icmTextDescription_init( - icmTextDescription *p, - icc *icp -) { - memset((void *)p, 0, sizeof(icmTextDescription)); /* Imitate calloc */ - - p->ttype = icSigTextDescriptionType; - p->refcount = 1; - p->get_size = icmTextDescription_get_size; - p->read = icmTextDescription_read; - p->write = icmTextDescription_write; - p->dump = icmTextDescription_dump; - p->allocate = icmTextDescription_allocate; - p->del = icmTextDescription_delete; - p->icp = icp; - - p->core_read = icmTextDescription_core_read; - p->core_write = icmTextDescription_core_write; -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmTextDescription( - icc *icp -) { - icmTextDescription *p; - if ((p = (icmTextDescription *) icp->al->calloc(icp->al,1,sizeof(icmTextDescription))) == NULL) - return NULL; - - icmTextDescription_init(p,icp); - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ - -/* Support for icmDescStruct */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmDescStruct_get_size( - icmDescStruct *p -) { - unsigned int len = 0; - len = sat_add(len, 20); /* 20 bytes for header info */ - len = sat_add(len, p->device.get_size((icmBase *)&p->device)); - if (p->device.size == 0) - len = sat_add(len, 1); /* Extra 1 because of zero length desciption */ - len = sat_add(len, p->model.get_size((icmBase *)&p->model)); - if (p->model.size == 0) - len = sat_add(len, 1); /* Extra 1 because of zero length desciption */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmDescStruct_read( - icmDescStruct *p, - char **bpp, /* Pointer to buffer pointer, returns next after read */ - char *end /* Pointer to past end of read buffer */ -) { - icc *icp = p->icp; - char *bp = *bpp; - int rv = 0; - - if (bp > end || 20 > (end - bp)) { - sprintf(icp->err,"icmDescStruct_read: Data too short read header"); - *bpp = bp; - return icp->errc = 1; - } - - p->deviceMfg = read_SInt32Number(bp + 0); - p->deviceModel = read_UInt32Number(bp + 4); - read_UInt64Number(&p->attributes, bp + 8); - p->technology = (icTechnologySignature) read_UInt32Number(bp + 16); - *bpp = bp += 20; - - /* Read the device text description */ - if ((rv = p->device.core_read(&p->device, bpp, end)) != 0) { - return rv; - } - - /* Read the model text description */ - if ((rv = p->model.core_read(&p->model, bpp, end)) != 0) { - return rv; - } - - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmDescStruct_write( - icmDescStruct *p, - char **bpp /* Pointer to buffer pointer, returns next after read */ -) { - icc *icp = p->icp; - char *bp = *bpp; - int rv = 0; - char *ttd = NULL; - unsigned int tts = 0; - - if ((rv = write_SInt32Number(p->deviceMfg, bp + 0)) != 0) { - sprintf(icp->err,"icmDescStruct_write: write_SInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - if ((rv = write_UInt32Number(p->deviceModel, bp + 4)) != 0) { - sprintf(icp->err,"icmDescStruct_write: write_UInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - if ((rv = write_UInt64Number(&p->attributes, bp + 8)) != 0) { - sprintf(icp->err,"icmDescStruct_write: write_UInt64Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - if ((rv = write_UInt32Number(p->technology, bp + 16)) != 0) { - sprintf(icp->err,"icmDescStruct_write: write_UInt32Number() failed"); - *bpp = bp; - return icp->errc = rv; - } - *bpp = bp += 20; - - /* Make sure the ASCII device text is a minimum size of 1, as per the spec. */ - ttd = p->device.desc; - tts = p->device.size; - - if (p->device.size == 0) { - p->device.desc = ""; - p->device.size = 1; - } - - /* Write the device text description */ - if ((rv = p->device.core_write(&p->device, bpp)) != 0) { - return rv; - } - - p->device.desc = ttd; - p->device.size = tts; - - /* Make sure the ASCII model text is a minimum size of 1, as per the spec. */ - ttd = p->model.desc; - tts = p->model.size; - - if (p->model.size == 0) { - p->model.desc = ""; - p->model.size = 1; - } - - /* Write the model text description */ - if ((rv = p->model.core_write(&p->model, bpp)) != 0) { - return rv; - } - - p->model.desc = ttd; - p->model.size = tts; - - /* Make sure the ASCII model text is a minimum size of 1, as per the spec. */ - ttd = p->device.desc; - tts = p->device.size; - - return 0; -} - -/* Dump a text description of the object */ -static void icmDescStruct_dump( - icmDescStruct *p, - icmFile *op, /* Output to dump to */ - int verb, /* Verbosity level */ - int index /* Description index */ -) { - if (verb <= 0) - return; - - op->gprintf(op,"DescStruct %u:\n",index); - if (verb >= 1) { - op->gprintf(op," Dev. Mnfctr. = %s\n",tag2str(p->deviceMfg)); /* ~~~ */ - op->gprintf(op," Dev. Model = %s\n",tag2str(p->deviceModel)); /* ~~~ */ - op->gprintf(op," Dev. Attrbts = %s\n", string_DeviceAttributes(p->attributes.l)); - op->gprintf(op," Dev. Technology = %s\n", string_TechnologySignature(p->technology)); - p->device.dump((icmBase *)&p->device, op,verb); - p->model.dump((icmBase *)&p->model, op,verb); - op->gprintf(op,"\n"); - } -} - -/* Allocate variable sized data elements (ie. descriptions) */ -static int icmDescStruct_allocate( - icmDescStruct *p -) { - int rv; - - if ((rv = p->device.allocate((icmBase *)&p->device)) != 0) { - return rv; - } - if ((rv = p->model.allocate((icmBase *)&p->model)) != 0) { - return rv; - } - return 0; -} - -/* Free all storage in the object */ -static void icmDescStruct_delete( - icmDescStruct *p -) { - icmTextDescription_unallocate(&p->device); - icmTextDescription_unallocate(&p->model); -} - -/* Init a DescStruct object */ -static void icmDescStruct_init( - icmDescStruct *p, - icc *icp -) { - - p->allocate = icmDescStruct_allocate; - p->icp = icp; - - icmTextDescription_init(&p->device, icp); - icmTextDescription_init(&p->model, icp); -} - -/* - - - - - - - - - - - - - - - */ -/* icmProfileSequenceDesc object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmProfileSequenceDesc_get_size( - icmBase *pp -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - unsigned int len = 0; - unsigned int i; - len = sat_add(len, 12); /* 12 bytes for tag, padding and count */ - for (i = 0; i < p->count; i++) { /* All the description structures */ - len = sat_add(len, icmDescStruct_get_size(&p->data[i])); - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmProfileSequenceDesc_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - icc *icp = p->icp; - unsigned int i; - char *bp, *buf, *end; - int rv = 0; - - if (len < 12) { - sprintf(icp->err,"icmProfileSequenceDesc_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmProfileSequenceDesc_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmProfileSequenceDesc_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmProfileSequenceDesc_read: Wrong tag type for icmProfileSequenceDesc"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp += 8; /* Skip padding */ - - p->count = read_UInt32Number(bp); /* Number of sequence descriptions */ - bp += 4; - - /* Read all the sequence descriptions */ - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - for (i = 0; i < p->count; i++) { - if ((rv = icmDescStruct_read(&p->data[i], &bp, end)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmProfileSequenceDesc_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmProfileSequenceDesc_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmProfileSequenceDesc_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmProfileSequenceDesc_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - if ((rv = write_UInt32Number(p->count,bp+8)) != 0) { - sprintf(icp->err,"icmProfileSequenceDesc_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp = bp + 12; - - /* Write all the description structures */ - for (i = 0; i < p->count; i++) { - if ((rv = icmDescStruct_write(&p->data[i], &bp)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmProfileSequenceDesc_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmProfileSequenceDesc_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"ProfileSequenceDesc:\n"); - op->gprintf(op," No. elements = %u\n",p->count); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->count; i++) - icmDescStruct_dump(&p->data[i], op, verb-1, i); - } -} - -/* Allocate variable sized data elements (ie. count of profile descriptions) */ -static int icmProfileSequenceDesc_allocate( - icmBase *pp -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - icc *icp = p->icp; - unsigned int i; - - if (p->count != p->_count) { - if (ovr_mul(p->count, sizeof(icmDescStruct))) { - sprintf(icp->err,"icmProfileSequenceDesc_allocate: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmDescStruct *) icp->al->calloc(icp->al, p->count, sizeof(icmDescStruct))) == NULL) { - sprintf(icp->err,"icmProfileSequenceDesc_allocate Allocation of DescStruct array failed"); - return icp->errc = 2; - } - /* Now init the DescStructs */ - for (i = 0; i < p->count; i++) { - icmDescStruct_init(&p->data[i], icp); - } - p->_count = p->count; - } - return 0; -} - -/* Free all storage in the object */ -static void icmProfileSequenceDesc_delete( - icmBase *pp -) { - icmProfileSequenceDesc *p = (icmProfileSequenceDesc *)pp; - icc *icp = p->icp; - unsigned int i; - - for (i = 0; i < p->count; i++) { - icmDescStruct_delete(&p->data[i]); /* Free allocated contents */ - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmProfileSequenceDesc( - icc *icp -) { - icmProfileSequenceDesc *p; - if ((p = (icmProfileSequenceDesc *) icp->al->calloc(icp->al,1,sizeof(icmProfileSequenceDesc))) == NULL) - return NULL; - p->ttype = icSigProfileSequenceDescType; - p->refcount = 1; - p->get_size = icmProfileSequenceDesc_get_size; - p->read = icmProfileSequenceDesc_read; - p->write = icmProfileSequenceDesc_write; - p->dump = icmProfileSequenceDesc_dump; - p->allocate = icmProfileSequenceDesc_allocate; - p->del = icmProfileSequenceDesc_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* Signature */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmSignature_get_size( - icmBase *pp -) { - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for signature */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmSignature_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmSignature *p = (icmSignature *)pp; - icc *icp = p->icp; - char *bp, *buf; - - if (len < 12) { - sprintf(icp->err,"icmSignature_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmSignature_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmSignature_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmSignaturSignatureng tag type for icmSignature"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read the encoded measurement geometry */ - p->sig = (icTechnologySignature)read_SInt32Number(bp + 8); - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmSignature_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmSignature *p = (icmSignature *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmSignature_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmSignature_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmSignature_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write the signature */ - if ((rv = write_SInt32Number((int)p->sig, bp + 8)) != 0) { - sprintf(icp->err,"icmSignaturea_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmSignature_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmSignature_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmSignature *p = (icmSignature *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Signature\n"); - op->gprintf(op," Technology = %s\n", string_TechnologySignature(p->sig)); -} - -/* Allocate variable sized data elements */ -static int icmSignature_allocate( - icmBase *pp -) { - /* Nothing to do */ - return 0; -} - -/* Free all storage in the object */ -static void icmSignature_delete( - icmBase *pp -) { - icmSignature *p = (icmSignature *)pp; - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmSignature( - icc *icp -) { - icmSignature *p; - if ((p = (icmSignature *) icp->al->calloc(icp->al,1,sizeof(icmSignature))) == NULL) - return NULL; - p->ttype = icSigSignatureType; - p->refcount = 1; - p->get_size = icmSignature_get_size; - p->read = icmSignature_read; - p->write = icmSignature_write; - p->dump = icmSignature_dump; - p->allocate = icmSignature_allocate; - p->del = icmSignature_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ - -/* Data conversion support functions */ -static int read_ScreeningData(icmScreeningData *p, char *d) { - p->frequency = read_S15Fixed16Number(d + 0); - p->angle = read_S15Fixed16Number(d + 4); - p->spotShape = (icSpotShape)read_SInt32Number(d + 8); - return 0; -} - -static int write_ScreeningData(icmScreeningData *p, char *d) { - int rv; - if ((rv = write_S15Fixed16Number(p->frequency, d + 0)) != 0) - return rv; - if ((rv = write_S15Fixed16Number(p->angle, d + 4)) != 0) - return rv; - if ((rv = write_SInt32Number((int)p->spotShape, d + 8)) != 0) - return rv; - return 0; -} - - -/* icmScreening object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmScreening_get_size( - icmBase *pp -) { - icmScreening *p = (icmScreening *)pp; - unsigned int len = 0; - len = sat_add(len, 16); /* 16 bytes for tag, padding, flag & channeles */ - len = sat_addmul(len, p->channels, 12); /* 12 bytes for each channel */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmScreening_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmScreening *p = (icmScreening *)pp; - icc *icp = p->icp; - int rv = 0; - unsigned int i; - char *bp, *buf, *end; - - if (len < 12) { - sprintf(icp->err,"icmScreening_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmScreening_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmScreening_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmScreening_read: Wrong tag type for icmScreening"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->screeningFlag = read_UInt32Number(bp+8); /* Flags */ - p->channels = read_UInt32Number(bp+12); /* Number of channels */ - bp = bp + 16; - - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - - /* Read all the data from the buffer */ - for (i = 0; i < p->channels; i++, bp += 12) { - if (bp > end || 12 > (end - bp)) { - sprintf(icp->err,"icmScreening_read: Data too short to read Screening Data"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - read_ScreeningData(&p->data[i], bp); - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmScreening_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmScreening *p = (icmScreening *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmScreening_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmScreening_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmScreening_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - if ((rv = write_UInt32Number(p->screeningFlag,bp+8)) != 0) { - sprintf(icp->err,"icmScreening_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt32Number(p->channels,bp+12)) != 0) { - sprintf(icp->err,"icmScreening_write: write_UInt32NumberXYZumber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp = bp + 16; - - /* Write all the data to the buffer */ - for (i = 0; i < p->channels; i++, bp += 12) { - if ((rv = write_ScreeningData(&p->data[i],bp)) != 0) { - sprintf(icp->err,"icmScreening_write: write_ScreeningData() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmScreening_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmScreening_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmScreening *p = (icmScreening *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Screening:\n"); - op->gprintf(op," Flags = %s\n", string_ScreenEncodings(p->screeningFlag)); - op->gprintf(op," No. channels = %u\n",p->channels); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->channels; i++) { - op->gprintf(op," %lu:\n",i); - op->gprintf(op," Frequency: %f\n",p->data[i].frequency); - op->gprintf(op," Angle: %f\n",p->data[i].angle); - op->gprintf(op," Spot shape: %s\n", string_SpotShape(p->data[i].spotShape)); - } - } -} - -/* Allocate variable sized data elements */ -static int icmScreening_allocate( - icmBase *pp -) { - icmScreening *p = (icmScreening *)pp; - icc *icp = p->icp; - - if (p->channels != p->_channels) { - if (ovr_mul(p->channels, sizeof(icmScreeningData))) { - sprintf(icp->err,"icmScreening_alloc: size overflow"); - return icp->errc = 1; - } - if (p->data != NULL) - icp->al->free(icp->al, p->data); - if ((p->data = (icmScreeningData *) icp->al->malloc(icp->al, p->channels * sizeof(icmScreeningData))) == NULL) { - sprintf(icp->err,"icmScreening_alloc: malloc() of icmScreening data failed"); - return icp->errc = 2; - } - p->_channels = p->channels; - } - return 0; -} - -/* Free all storage in the object */ -static void icmScreening_delete( - icmBase *pp -) { - icmScreening *p = (icmScreening *)pp; - icc *icp = p->icp; - - if (p->data != NULL) - icp->al->free(icp->al, p->data); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmScreening( - icc *icp -) { - icmScreening *p; - if ((p = (icmScreening *) icp->al->calloc(icp->al,1,sizeof(icmScreening))) == NULL) - return NULL; - p->ttype = icSigScreeningType; - p->refcount = 1; - p->get_size = icmScreening_get_size; - p->read = icmScreening_read; - p->write = icmScreening_write; - p->dump = icmScreening_dump; - p->allocate = icmScreening_allocate; - p->del = icmScreening_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmUcrBg object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmUcrBg_get_size( - icmBase *pp -) { - icmUcrBg *p = (icmUcrBg *)pp; - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addaddmul(len, 4, p->UCRcount, 2); /* Undercolor Removal */ - len = sat_addaddmul(len, 4, p->BGcount, 2); /* Black Generation */ - len = sat_add(len, p->size); /* Description string */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmUcrBg_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmUcrBg *p = (icmUcrBg *)pp; - icc *icp = p->icp; - unsigned int i; - int rv; - char *bp, *buf, *end; - - if (len < 16) { - sprintf(icp->err,"icmUcrBg_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUcrBg_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmUcrBg_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmUcrBg_read: Wrong tag type for icmUcrBg"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->UCRcount = read_UInt32Number(bp+8); /* First curve count */ - bp = bp + 12; - - if (p->UCRcount > 0) { - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - for (i = 0; i < p->UCRcount; i++, bp += 2) { - if (bp > end || 2 > (end - bp)) { - sprintf(icp->err,"icmUcrBg_read: Data too short to read UCR Data"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if (p->UCRcount == 1) /* % */ - p->UCRcurve[i] = (double)read_UInt16Number(bp); - else /* 0.0 - 1.0 */ - p->UCRcurve[i] = read_DCS16Number(bp); - } - } else { - p->UCRcurve = NULL; - } - - if (bp > end || 4 > (end - bp)) { - sprintf(icp->err,"icmData_read: Data too short to read Black Gen count"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->BGcount = read_UInt32Number(bp); /* First curve count */ - bp += 4; - - if (p->BGcount > 0) { - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - for (i = 0; i < p->BGcount; i++, bp += 2) { - if (bp > end || 2 > (end - bp)) { - sprintf(icp->err,"icmUcrBg_read: Data too short to read BG Data"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if (p->BGcount == 1) /* % */ - p->BGcurve[i] = (double)read_UInt16Number(bp); - else /* 0.0 - 1.0 */ - p->BGcurve[i] = read_DCS16Number(bp); - } - } else { - p->BGcurve = NULL; - } - - p->size = end - bp; /* Nominal string length */ - if (p->size > 0) { - if ((rv = check_null_string(bp, p->size)) == 1) { - sprintf(icp->err,"icmUcrBg_read: string is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->size = strlen(bp) + 1; - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - memmove((void *)p->string, (void *)bp, p->size); - bp += p->size; - } else { - p->string = NULL; - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmUcrBg_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmUcrBg *p = (icmUcrBg *)pp; - icc *icp = p->icp; - unsigned int i; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmUcrBg_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmUcrBg_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp = bp + 8; - - /* Write UCR curve */ - if ((rv = write_UInt32Number(p->UCRcount,bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp += 4; - - for (i = 0; i < p->UCRcount; i++, bp += 2) { - if (p->UCRcount == 1) { /* % */ - if ((rv = write_UInt16Number((unsigned int)(p->UCRcurve[i]+0.5),bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_UInt16umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } else { - if ((rv = write_DCS16Number(p->UCRcurve[i],bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_DCS16umber(%f) failed",p->UCRcurve[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - /* Write BG curve */ - if ((rv = write_UInt32Number(p->BGcount,bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp += 4; - - for (i = 0; i < p->BGcount; i++, bp += 2) { - if (p->BGcount == 1) { /* % */ - if ((rv = write_UInt16Number((unsigned int)(p->BGcurve[i]+0.5),bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_UInt16umber() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } else { - if ((rv = write_DCS16Number(p->BGcurve[i],bp)) != 0) { - sprintf(icp->err,"icmUcrBg_write: write_DCS16umber(%f) failed",p->BGcurve[i]); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - if (p->string != NULL) { - if ((rv = check_null_string(p->string,p->size)) == 1) { - sprintf(icp->err,"icmUcrBg_write: text is not null terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if (rv == 2) { - sprintf(icp->err,"icmUcrBg_write: text is shorter than length"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - memmove((void *)bp, (void *)p->string, p->size); - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmUcrBg_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmUcrBg_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmUcrBg *p = (icmUcrBg *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Undercolor Removal Curve & Black Generation:\n"); - - if (p->UCRcount == 0) { - op->gprintf(op," UCR: Not specified\n"); - } else if (p->UCRcount == 1) { - op->gprintf(op," UCR: %f%%\n",p->UCRcurve[0]); - } else { - op->gprintf(op," UCR curve no. elements = %u\n",p->UCRcount); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->UCRcount; i++) - op->gprintf(op," %3lu: %f\n",i,p->UCRcurve[i]); - } - } - if (p->BGcount == 0) { - op->gprintf(op," BG: Not specified\n"); - } else if (p->BGcount == 1) { - op->gprintf(op," BG: %f%%\n",p->BGcurve[0]); - } else { - op->gprintf(op," BG curve no. elements = %u\n",p->BGcount); - if (verb >= 2) { - unsigned int i; - for (i = 0; i < p->BGcount; i++) - op->gprintf(op," %3lu: %f\n",i,p->BGcurve[i]); - } - } - - { - unsigned int i, r, c, size; - op->gprintf(op," Description:\n"); - op->gprintf(op," No. chars = %lu\n",p->size); - - size = p->size > 0 ? p->size-1 : 0; - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 73) { - if (isprint(p->string[i])) { - op->gprintf(op,"%c",p->string[i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->string[i]); - c += 4; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - } -} - -/* Allocate variable sized data elements */ -static int icmUcrBg_allocate( - icmBase *pp -) { - icmUcrBg *p = (icmUcrBg *)pp; - icc *icp = p->icp; - - if (p->UCRcount != p->UCR_count) { - if (ovr_mul(p->UCRcount, sizeof(double))) { - sprintf(icp->err,"icmUcrBg_allocate: size overflow"); - return icp->errc = 1; - } - if (p->UCRcurve != NULL) - icp->al->free(icp->al, p->UCRcurve); - if ((p->UCRcurve = (double *) icp->al->calloc(icp->al, p->UCRcount, sizeof(double))) == NULL) { - sprintf(icp->err,"icmUcrBg_allocate: malloc() of UCR curve data failed"); - return icp->errc = 2; - } - p->UCR_count = p->UCRcount; - } - if (p->BGcount != p->BG_count) { - if (ovr_mul(p->BGcount, sizeof(double))) { - sprintf(icp->err,"icmUcrBg_allocate: size overflow"); - return icp->errc = 1; - } - if (p->BGcurve != NULL) - icp->al->free(icp->al, p->BGcurve); - if ((p->BGcurve = (double *) icp->al->calloc(icp->al, p->BGcount, sizeof(double))) == NULL) { - sprintf(icp->err,"icmUcrBg_allocate: malloc() of BG curve data failed"); - return icp->errc = 2; - } - p->BG_count = p->BGcount; - } - if (p->size != p->_size) { - if (ovr_mul(p->size, sizeof(char))) { - sprintf(icp->err,"icmUcrBg_allocate: size overflow"); - return icp->errc = 1; - } - if (p->string != NULL) - icp->al->free(icp->al, p->string); - if ((p->string = (char *) icp->al->calloc(icp->al, p->size, sizeof(char))) == NULL) { - sprintf(icp->err,"icmUcrBg_allocate: malloc() of string data failed"); - return icp->errc = 2; - } - p->_size = p->size; - } - return 0; -} - -/* Free all storage in the object */ -static void icmUcrBg_delete( - icmBase *pp -) { - icmUcrBg *p = (icmUcrBg *)pp; - icc *icp = p->icp; - - if (p->UCRcurve != NULL) - icp->al->free(icp->al, p->UCRcurve); - if (p->BGcurve != NULL) - icp->al->free(icp->al, p->BGcurve); - if (p->string != NULL) - icp->al->free(icp->al, p->string); - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmUcrBg( - icc *icp -) { - icmUcrBg *p; - if ((p = (icmUcrBg *) icp->al->calloc(icp->al,1,sizeof(icmUcrBg))) == NULL) - return NULL; - p->ttype = icSigUcrBgType; - p->refcount = 1; - p->get_size = icmUcrBg_get_size; - p->read = icmUcrBg_read; - p->write = icmUcrBg_write; - p->dump = icmUcrBg_dump; - p->allocate = icmUcrBg_allocate; - p->del = icmUcrBg_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* VideoCardGamma (ColorSync 2.5 specific - c/o Neil Okamoto) */ -/* 'vcgt' */ - -static unsigned int icmVideoCardGamma_get_size( - icmBase *pp -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - unsigned int len = 0; - - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 4); /* 4 for gamma type */ - - /* compute size of remainder */ - if (p->tagType == icmVideoCardGammaTableType) { - len = sat_add(len, 2); /* 2 bytes for channels */ - len = sat_add(len, 2); /* 2 for entry count */ - len = sat_add(len, 2); /* 2 for entry size */ - len = sat_add(len, sat_mul3(p->u.table.channels, /* compute table size */ - p->u.table.entryCount, p->u.table.entrySize)); - } - else if (p->tagType == icmVideoCardGammaFormulaType) { - len = sat_add(len, 12); /* 4 bytes each for red gamma, min, & max */ - len = sat_add(len, 12); /* 4 bytes each for green gamma, min & max */ - len = sat_add(len, 12); /* 4 bytes each for blue gamma, min & max */ - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmVideoCardGamma_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - icc *icp = p->icp; - int rv, c; - char *bp, *buf; - ORD8 *pchar; - ORD16 *pshort; - - if (len < 18) { - sprintf(icp->err,"icmVideoCardGamma_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmVideoCardGamma_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmVideoCardGamma_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmVideoCardGamma_read: Wrong tag type for icmVideoCardGamma"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read gamma format (eg. table or formula) from the buffer */ - p->tagType = (icmVideoCardGammaTagType)read_UInt32Number(bp+8); - - /* Read remaining gamma data based on format */ - if (p->tagType == icmVideoCardGammaTableType) { - p->u.table.channels = read_UInt16Number(bp+12); - p->u.table.entryCount = read_UInt16Number(bp+14); - p->u.table.entrySize = read_UInt16Number(bp+16); - if ((len-18) < sat_mul3(p->u.table.channels, p->u.table.entryCount, - p->u.table.entrySize)) { - sprintf(icp->err,"icmVideoCardGamma_read: Tag too small to be legal"); - return icp->errc = 1; - } - if ((rv = pp->allocate(pp)) != 0) { /* make space for table */ - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - /* ~~~~ This should be a table of doubles like the rest of icclib ! ~~~~ */ - pchar = (ORD8 *)p->u.table.data; - pshort = (ORD16 *)p->u.table.data; - for (c=0, bp=bp+18; c<p->u.table.channels*p->u.table.entryCount; c++) { - switch (p->u.table.entrySize) { - case 1: - *pchar++ = read_UInt8Number(bp); - bp++; - break; - case 2: - *pshort++ = read_UInt16Number(bp); - bp+=2; - break; - default: - sprintf(icp->err,"icmVideoCardGamma_read: unsupported table entry size"); - pp->del(pp); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } - } else if (p->tagType == icmVideoCardGammaFormulaType) { - if (len < 48) { - sprintf(icp->err,"icmVideoCardGamma_read: Tag too small to be legal"); - return icp->errc = 1; - } - p->u.table.channels = 3; /* Always 3 for formula */ - p->u.formula.redGamma = read_S15Fixed16Number(bp+12); - p->u.formula.redMin = read_S15Fixed16Number(bp+16); - p->u.formula.redMax = read_S15Fixed16Number(bp+20); - p->u.formula.greenGamma = read_S15Fixed16Number(bp+24); - p->u.formula.greenMin = read_S15Fixed16Number(bp+28); - p->u.formula.greenMax = read_S15Fixed16Number(bp+32); - p->u.formula.blueGamma = read_S15Fixed16Number(bp+36); - p->u.formula.blueMin = read_S15Fixed16Number(bp+40); - p->u.formula.blueMax = read_S15Fixed16Number(bp+44); - } else { - sprintf(icp->err,"icmVideoCardGammaTable_read: Unknown gamma format for icmVideoCardGamma"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmVideoCardGamma_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0, c; - ORD8 *pchar; - ORD16 *pshort; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmViewingConditions_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmViewingConditions_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write gamma format (eg. table of formula) */ - if ((rv = write_UInt32Number(p->tagType,bp+8)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write remaining gamma data based on format */ - if (p->tagType == icmVideoCardGammaTableType) { - if ((rv = write_UInt16Number(p->u.table.channels,bp+12)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_UInt16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt16Number(p->u.table.entryCount,bp+14)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_UInt16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt16Number(p->u.table.entrySize,bp+16)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_UInt16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - pchar = (ORD8 *)p->u.table.data; - pshort = (ORD16 *)p->u.table.data; - for (c=0, bp=bp+18; c<p->u.table.channels*p->u.table.entryCount; c++) { - switch (p->u.table.entrySize) { - case 1: - write_UInt8Number(*pchar++,bp); - bp++; - break; - case 2: - write_UInt16Number(*pshort++,bp); - bp+=2; - break; - default: - sprintf(icp->err,"icmVideoCardGamma_write: unsupported table entry size"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - } - } else if (p->tagType == icmVideoCardGammaFormulaType) { - if ((rv = write_S15Fixed16Number(p->u.formula.redGamma,bp+12)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.redMin,bp+16)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.redMax,bp+20)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.greenGamma,bp+24)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.greenMin,bp+28)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.greenMax,bp+32)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.blueGamma,bp+36)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.blueMin,bp+40)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_S15Fixed16Number(p->u.formula.blueMax,bp+44)) != 0) { - sprintf(icp->err,"icmVideoCardGamma_write: write_S15Fixed16Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } else { - sprintf(icp->err,"icmVideoCardGammaTable_write: Unknown gamma format for icmVideoCardGamma"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmViewingConditions_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmVideoCardGamma_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - int c,i; - - if (verb <= 0) - return; - - if (p->tagType == icmVideoCardGammaTableType) { - op->gprintf(op,"VideoCardGammaTable:\n"); - op->gprintf(op," channels = %d\n", p->u.table.channels); - op->gprintf(op," entries = %d\n", p->u.table.entryCount); - op->gprintf(op," entrysize = %d\n", p->u.table.entrySize); - if (verb >= 2) { - /* dump array contents also */ - for (c=0; c<p->u.table.channels; c++) { - op->gprintf(op," channel #%d\n",c); - for (i=0; i<p->u.table.entryCount; i++) { - if (p->u.table.entrySize == 1) { - op->gprintf(op," %d: %d\n",i,((ORD8 *)p->u.table.data)[c*p->u.table.entryCount+i]); - } - else if (p->u.table.entrySize == 2) { - op->gprintf(op," %d: %d\n",i,((ORD16 *)p->u.table.data)[c*p->u.table.entryCount+i]); - } - } - } - } - } else if (p->tagType == icmVideoCardGammaFormulaType) { - op->gprintf(op,"VideoCardGammaFormula:\n"); - op->gprintf(op," red gamma = %f\n", p->u.formula.redGamma); - op->gprintf(op," red min = %f\n", p->u.formula.redMin); - op->gprintf(op," red max = %f\n", p->u.formula.redMax); - op->gprintf(op," green gamma = %f\n", p->u.formula.greenGamma); - op->gprintf(op," green min = %f\n", p->u.formula.greenMin); - op->gprintf(op," green max = %f\n", p->u.formula.greenMax); - op->gprintf(op," blue gamma = %f\n", p->u.formula.blueGamma); - op->gprintf(op," blue min = %f\n", p->u.formula.blueMin); - op->gprintf(op," blue max = %f\n", p->u.formula.blueMax); - } else { - op->gprintf(op," Unknown tag format\n"); - } -} - -/* Allocate variable sized data elements */ -static int icmVideoCardGamma_allocate( - icmBase *pp -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - icc *icp = p->icp; - unsigned int size; - - /* note: allocation is only relevant for table type - * and in that case the channels, entryCount, and entrySize - * fields must all be set prior to getting here - */ - - if (p->tagType == icmVideoCardGammaTableType) { - size = sat_mul(p->u.table.channels, p->u.table.entryCount); - switch (p->u.table.entrySize) { - case 1: - size = sat_mul(size, sizeof(ORD8)); - break; - case 2: - size = sat_mul(size, sizeof(unsigned short)); - break; - default: - sprintf(icp->err,"icmVideoCardGamma_alloc: unsupported table entry size"); - return icp->errc = 1; - } - if (size == UINT_MAX) { - sprintf(icp->err,"icmVideoCardGamma_alloc: size overflow"); - return icp->errc = 1; - } - if (p->u.table.data != NULL) - icp->al->free(icp->al, p->u.table.data); - if ((p->u.table.data = (void*) icp->al->malloc(icp->al, size)) == NULL) { - sprintf(icp->err,"icmVideoCardGamma_alloc: malloc() of table data failed"); - return icp->errc = 2; - } - } - - return 0; -} - -/* Read a value */ -static double icmVideoCardGamma_lookup( - icmVideoCardGamma *p, - int chan, /* Channel, 0, 1 or 2 */ - double iv /* Input value 0.0 - 1.0 */ -) { - double ov = 0.0; - - if (chan < 0 || chan > (p->u.table.channels-1) - || iv < 0.0 || iv > 1.0) - return iv; - - if (p->tagType == icmVideoCardGammaTableType && p->u.table.entryCount == 0) { - /* Deal with siliness */ - ov = iv; - } else if (p->tagType == icmVideoCardGammaTableType) { - /* Use linear interpolation */ - unsigned int ix; - double val0, val1, w; - double inputEnt_1 = (double)(p->u.table.entryCount-1); - - val0 = iv * inputEnt_1; - if (val0 < 0.0) - val0 = 0.0; - else if (val0 > inputEnt_1) - val0 = inputEnt_1; - ix = (unsigned int)floor(val0); /* Coordinate */ - if (ix > (p->u.table.entryCount-2)) - ix = (p->u.table.entryCount-2); - w = val0 - (double)ix; /* weight */ - if (p->u.table.entrySize == 1) { - val0 = ((ORD8 *)p->u.table.data)[chan * p->u.table.entryCount + ix]/255.0; - val1 = ((ORD8 *)p->u.table.data)[chan * p->u.table.entryCount + ix + 1]/255.0; - } else if (p->u.table.entrySize == 2) { - val0 = ((ORD16 *)p->u.table.data)[chan * p->u.table.entryCount + ix]/65535.0; - val1 = ((ORD16 *)p->u.table.data)[chan * p->u.table.entryCount + ix + 1]/65535.0; - } else { - val0 = val1 = iv; - } - ov = val0 + w * (val1 - val0); - - } else if (p->tagType == icmVideoCardGammaFormulaType) { - double min, max, gam; - - if (iv == 0) { - min = p->u.formula.redMin; - max = p->u.formula.redMax; - gam = p->u.formula.redGamma; - } else if (iv == 1) { - min = p->u.formula.greenMin; - max = p->u.formula.greenMax; - gam = p->u.formula.greenGamma; - } else { - min = p->u.formula.blueMin; - max = p->u.formula.blueMax; - gam = p->u.formula.blueGamma; - } - - /* The Apple OSX doco confirms this is the formula */ - ov = min + (max - min) * pow(iv, gam); - } - return ov; -} - -/* Free all storage in the object */ -static void icmVideoCardGamma_delete( - icmBase *pp -) { - icmVideoCardGamma *p = (icmVideoCardGamma *)pp; - icc *icp = p->icp; - - if (p->tagType == icmVideoCardGammaTableType && p->u.table.data != NULL) - icp->al->free(icp->al, p->u.table.data); - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmVideoCardGamma( - icc *icp -) { - icmVideoCardGamma *p; - if ((p = (icmVideoCardGamma *) icp->al->calloc(icp->al,1,sizeof(icmVideoCardGamma))) == NULL) - return NULL; - p->ttype = icSigVideoCardGammaType; - p->refcount = 1; - p->get_size = icmVideoCardGamma_get_size; - p->read = icmVideoCardGamma_read; - p->write = icmVideoCardGamma_write; - p->lookup = icmVideoCardGamma_lookup; - p->dump = icmVideoCardGamma_dump; - p->allocate = icmVideoCardGamma_allocate; - p->del = icmVideoCardGamma_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* ViewingConditions */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmViewingConditions_get_size( - icmBase *pp -) { - unsigned int len = 0; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_add(len, 12); /* 12 for XYZ of illuminant */ - len = sat_add(len, 12); /* 12 for XYZ of surround */ - len = sat_add(len, 4); /* 4 for illuminant type */ - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmViewingConditions_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmViewingConditions *p = (icmViewingConditions *)pp; - icc *icp = p->icp; - int rv; - char *bp, *buf; - - if (len < 36) { - sprintf(icp->err,"icmViewingConditions_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmViewingConditions_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmViewingConditions_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmViewingConditions_read: Wrong tag type for icmViewingConditions"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read the XYZ values for the illuminant */ - if ((rv = read_XYZNumber(&p->illuminant, bp+8)) != 0) { - sprintf(icp->err,"icmViewingConditions: read_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Read the XYZ values for the surround */ - if ((rv = read_XYZNumber(&p->surround, bp+20)) != 0) { - sprintf(icp->err,"icmViewingConditions: read_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Read the encoded standard illuminant */ - p->stdIlluminant = (icIlluminant)read_SInt32Number(bp + 32); - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmViewingConditions_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmViewingConditions *p = (icmViewingConditions *)pp; - icc *icp = p->icp; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmViewingConditions_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmViewingConditions_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmViewingConditions_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - - /* Write the XYZ values for the illuminant */ - if ((rv = write_XYZNumber(&p->illuminant, bp+8)) != 0) { - sprintf(icp->err,"icmViewingConditions: write_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the XYZ values for the surround */ - if ((rv = write_XYZNumber(&p->surround, bp+20)) != 0) { - sprintf(icp->err,"icmViewingConditions: write_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write the encoded standard illuminant */ - if ((rv = write_SInt32Number((int)p->stdIlluminant, bp + 32)) != 0) { - sprintf(icp->err,"icmViewingConditionsa_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmViewingConditions_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmViewingConditions_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmViewingConditions *p = (icmViewingConditions *)pp; - if (verb <= 0) - return; - - op->gprintf(op,"Viewing Conditions:\n"); - op->gprintf(op," XYZ value of illuminant in cd/m^2 = %s\n", string_XYZNumber(&p->illuminant)); - op->gprintf(op," XYZ value of surround in cd/m^2 = %s\n", string_XYZNumber(&p->surround)); - op->gprintf(op," Illuminant type = %s\n", string_Illuminant(p->stdIlluminant)); -} - -/* Allocate variable sized data elements */ -static int icmViewingConditions_allocate( - icmBase *pp -) { - /* Nothing to do */ - return 0; -} - -/* Free all storage in the object */ -static void icmViewingConditions_delete( - icmBase *pp -) { - icmViewingConditions *p = (icmViewingConditions *)pp; - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmViewingConditions( - icc *icp -) { - icmViewingConditions *p; - if ((p = (icmViewingConditions *) icp->al->calloc(icp->al,1,sizeof(icmViewingConditions))) == NULL) - return NULL; - p->ttype = icSigViewingConditionsType; - p->refcount = 1; - p->get_size = icmViewingConditions_get_size; - p->read = icmViewingConditions_read; - p->write = icmViewingConditions_write; - p->dump = icmViewingConditions_dump; - p->allocate = icmViewingConditions_allocate; - p->del = icmViewingConditions_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ---------------------------------------------------------- */ -/* icmCrdInfo object */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmCrdInfo_get_size( - icmBase *pp -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - unsigned int len = 0, t; - len = sat_add(len, 8); /* 8 bytes for tag and padding */ - len = sat_addadd(len, 4, p->ppsize); /* Postscript product name */ - for (t = 0; t < 4; t++) { /* For all 4 intents */ - len = sat_addadd(len, 4, p->crdsize[t]); /* crd names */ - } - return len; -} - -/* read the object, return 0 on success, error code on fail */ -static int icmCrdInfo_read( - icmBase *pp, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - icc *icp = p->icp; - unsigned int t; - int rv; - char *bp, *buf, *end; - - if (len < 28) { - sprintf(icp->err,"icmCrdInfo_read: Tag too small to be legal"); - return icp->errc = 1; - } - - /* Allocate a file read buffer */ - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmCrdInfo_read: malloc() failed"); - return icp->errc = 2; - } - bp = buf; - end = buf + len; - - /* Read portion of file into buffer */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, bp, 1, len) != len) { - sprintf(icp->err,"icmCrdInfo_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Read type descriptor from the buffer */ - if (((icTagTypeSignature)read_SInt32Number(bp)) != p->ttype) { - sprintf(icp->err,"icmCrdInfo_read: Wrong tag type for icmCrdInfo"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - bp = bp + 8; - - /* Postscript product name */ - if (bp > end || 4 > (end - bp)) { - sprintf(icp->err,"icmCrdInfo_read: Data too short to read Postscript product name"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->ppsize = read_UInt32Number(bp); - bp += 4; - if (p->ppsize > 0) { - if (p->ppsize > (end - bp)) { - sprintf(icp->err,"icmCrdInfo_read: Data to short to read Postscript product string"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,p->ppsize)) == 1) { - sprintf(icp->err,"icmCrdInfo_read: Postscript product name is not terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - memmove((void *)p->ppname, (void *)bp, p->ppsize); - bp += p->ppsize; - } - - /* CRD names for the four rendering intents */ - for (t = 0; t < 4; t++) { /* For all 4 intents */ - if (bp > end || 4 > (end - bp)) { - sprintf(icp->err,"icmCrdInfo_read: Data too short to read CRD%d name",t); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->crdsize[t] = read_UInt32Number(bp); - bp += 4; - if (p->crdsize[t] > 0) { - if (p->crdsize[t] > (end - bp)) { - sprintf(icp->err,"icmCrdInfo_read: Data to short to read CRD%d string",t); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - if ((rv = check_null_string(bp,p->crdsize[t])) == 1) { - sprintf(icp->err,"icmCrdInfo_read: CRD%d name is not terminated",t); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - if ((rv = p->allocate((icmBase *)p)) != 0) { - icp->al->free(icp->al, buf); - return rv; - } - memmove((void *)p->crdname[t], (void *)bp, p->crdsize[t]); - bp += p->crdsize[t]; - } - } - - icp->al->free(icp->al, buf); - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmCrdInfo_write( - icmBase *pp, - unsigned int of /* File offset to write from */ -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - icc *icp = p->icp; - unsigned int t; - unsigned int len; - char *bp, *buf; /* Buffer to write from */ - int rv; - - /* Allocate a file write buffer */ - if ((len = p->get_size((icmBase *)p)) == UINT_MAX) { - sprintf(icp->err,"icmCrdInfo_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmCrdInfo_write malloc() failed"); - return icp->errc = 2; - } - bp = buf; - - /* Write type descriptor to the buffer */ - if ((rv = write_SInt32Number((int)p->ttype,bp)) != 0) { - sprintf(icp->err,"icmCrdInfo_write: write_SInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - write_SInt32Number(0,bp+4); /* Set padding to 0 */ - bp = bp + 8; - - /* Postscript product name */ - if ((rv = write_UInt32Number(p->ppsize,bp)) != 0) { - sprintf(icp->err,"icmCrdInfo_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp += 4; - if (p->ppsize > 0) { - if ((rv = check_null_string(p->ppname,p->ppsize)) == 1) { - sprintf(icp->err,"icmCrdInfo_write: Postscript product name is not terminated"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - memmove((void *)bp, (void *)p->ppname, p->ppsize); - bp += p->ppsize; - } - - /* CRD names for the four rendering intents */ - for (t = 0; t < 4; t++) { /* For all 4 intents */ - if ((rv = write_UInt32Number(p->crdsize[t],bp)) != 0) { - sprintf(icp->err,"icmCrdInfo_write: write_UInt32Number() failed"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - bp += 4; - if (p->ppsize > 0) { - if ((rv = check_null_string(p->crdname[t],p->crdsize[t])) == 1) { - sprintf(icp->err,"icmCrdInfo_write: CRD%d name is not terminated",t); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - /* Haven't checked if rv == 2 is legal or not */ - memmove((void *)bp, (void *)p->crdname[t], p->crdsize[t]); - bp += p->crdsize[t]; - } - } - - /* Write to the file */ - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmCrdInfo_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - icp->al->free(icp->al, buf); - return 0; -} - -/* Dump a text description of the object */ -static void icmCrdInfo_dump( - icmBase *pp, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - unsigned int i, r, c, size, t; - - if (verb <= 0) - return; - - op->gprintf(op,"PostScript Product name and CRD names:\n"); - - op->gprintf(op," Product name:\n"); - op->gprintf(op," No. chars = %lu\n",p->ppsize); - - size = p->ppsize > 0 ? p->ppsize-1 : 0; - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 73) { - if (isprint(p->ppname[i])) { - op->gprintf(op,"%c",p->ppname[i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->ppname[i]); - c += 4; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - - for (t = 0; t < 4; t++) { /* For all 4 intents */ - op->gprintf(op," CRD%ld name:\n",t); - op->gprintf(op," No. chars = %lu\n",p->crdsize[t]); - - size = p->crdsize[t] > 0 ? p->crdsize[t]-1 : 0; - i = 0; - for (r = 1;; r++) { /* count rows */ - if (i >= size) { - op->gprintf(op,"\n"); - break; - } - if (r > 1 && verb < 2) { - op->gprintf(op,"...\n"); - break; /* Print 1 row if not verbose */ - } - c = 1; - op->gprintf(op," 0x%04lx: ",i); - c += 10; - while (i < size && c < 73) { - if (isprint(p->crdname[t][i])) { - op->gprintf(op,"%c",p->crdname[t][i]); - c++; - } else { - op->gprintf(op,"\\%03o",p->crdname[t][i]); - c += 4; - } - i++; - } - if (i < size) - op->gprintf(op,"\n"); - } - } -} - -/* Allocate variable sized data elements */ -static int icmCrdInfo_allocate( - icmBase *pp -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - icc *icp = p->icp; - unsigned int t; - - if (p->ppsize != p->_ppsize) { - if (ovr_mul(p->ppsize, sizeof(char))) { - sprintf(icp->err,"icmCrdInfo_alloc: size overflow"); - return icp->errc = 1; - } - if (p->ppname != NULL) - icp->al->free(icp->al, p->ppname); - if ((p->ppname = (char *) icp->al->calloc(icp->al, p->ppsize, sizeof(char))) == NULL) { - sprintf(icp->err,"icmCrdInfo_alloc: malloc() of string data failed"); - return icp->errc = 2; - } - p->_ppsize = p->ppsize; - } - for (t = 0; t < 4; t++) { /* For all 4 intents */ - if (p->crdsize[t] != p->_crdsize[t]) { - if (ovr_mul(p->crdsize[t], sizeof(char))) { - sprintf(icp->err,"icmCrdInfo_alloc: size overflow"); - return icp->errc = 1; - } - if (p->crdname[t] != NULL) - icp->al->free(icp->al, p->crdname[t]); - if ((p->crdname[t] = (char *) icp->al->calloc(icp->al, p->crdsize[t], sizeof(char))) == NULL) { - sprintf(icp->err,"icmCrdInfo_alloc: malloc() of CRD%d name string failed",t); - return icp->errc = 2; - } - p->_crdsize[t] = p->crdsize[t]; - } - } - return 0; -} - -/* Free all storage in the object */ -static void icmCrdInfo_delete( - icmBase *pp -) { - icmCrdInfo *p = (icmCrdInfo *)pp; - icc *icp = p->icp; - unsigned int t; - - if (p->ppname != NULL) - icp->al->free(icp->al, p->ppname); - for (t = 0; t < 4; t++) { /* For all 4 intents */ - if (p->crdname[t] != NULL) - icp->al->free(icp->al, p->crdname[t]); - } - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmBase *new_icmCrdInfo( - icc *icp -) { - icmCrdInfo *p; - if ((p = (icmCrdInfo *) icp->al->calloc(icp->al,1,sizeof(icmCrdInfo))) == NULL) - return NULL; - p->ttype = icSigCrdInfoType; - p->refcount = 1; - p->get_size = icmCrdInfo_get_size; - p->read = icmCrdInfo_read; - p->write = icmCrdInfo_write; - p->dump = icmCrdInfo_dump; - p->allocate = icmCrdInfo_allocate; - p->del = icmCrdInfo_delete; - p->icp = icp; - - return (icmBase *)p; -} - -/* ========================================================== */ -/* icmHeader object */ -/* ========================================================== */ - -/* Return the number of bytes needed to write this tag */ -static unsigned int icmHeader_get_size( - icmHeader *p -) { - return 128; /* By definition */ -} - -/* read the object, return 0 on success, error code on fail */ -static int icmHeader_read( - icmHeader *p, - unsigned int len, /* tag length */ - unsigned int of /* start offset within file */ -) { - icc *icp = p->icp; - char *buf; - unsigned int tt; - int rv = 0; - - if (len != 128) { - sprintf(icp->err,"icmHeader_read: Length expected to be 128"); - return icp->errc = 1; - } - - if ((buf = (char *) icp->al->malloc(icp->al, len)) == NULL) { - sprintf(icp->err,"icmHeader_read: malloc() failed"); - return icp->errc = 2; - } - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->read(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmHeader_read: fseek() or fread() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Check that the magic number is right */ - tt = read_SInt32Number(buf+36); - if (tt != icMagicNumber) { /* Check magic number */ - sprintf(icp->err,"icmHeader_read: wrong magic number 0x%x",tt); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - - /* Fill in the in-memory structure */ - p->size = read_UInt32Number(buf + 0); /* Profile size in bytes */ - if (p->size < (128 + 4)) { - sprintf(icp->err,"icmHeader_read: file size %d too small to be legal",p->size); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - p->cmmId = read_SInt32Number(buf + 4); /* CMM for profile */ - tt = read_UInt8Number(buf + 8); /* Raw major version number */ - p->majv = (tt >> 4) * 10 + (tt & 0xf); /* Integer major version number */ - icp->ver = p->majv > 3 ? 1 : 0; /* Set major version flag in icc */ - tt = read_UInt8Number(buf + 9); /* Raw minor/bug fix version numbers */ - p->minv = (tt >> 4); /* Integer minor version number */ - p->bfv = (tt & 0xf); /* Integer bug fix version number */ - p->deviceClass = (icProfileClassSignature) - read_SInt32Number(buf + 12); /* Type of profile */ - p->colorSpace = (icColorSpaceSignature) - read_SInt32Number(buf + 16); /* Color space of data */ - p->pcs = (icColorSpaceSignature) - read_SInt32Number(buf + 20); /* PCS: XYZ or Lab */ - if ((rv = read_DateTimeNumber(&p->date, buf + 24)) != 0) { /* Creation Date */ - sprintf(icp->err,"icmHeader_read: read_DateTimeNumber corrupted"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - p->platform = (icPlatformSignature) - read_SInt32Number(buf + 40); /* Primary platform */ - p->flags = read_UInt32Number(buf + 44); /* Various bits */ - p->manufacturer = read_SInt32Number(buf + 48); /* Dev manufacturer */ - p->model = read_SInt32Number(buf + 52); /* Dev model */ - read_UInt64Number(&p->attributes, buf + 56); /* Device attributes */ - p->renderingIntent = (icRenderingIntent) - read_SInt32Number(buf + 64); /* Rendering intent */ - if ((rv = read_XYZNumber(&p->illuminant, buf + 68)) != 0) { /* Profile illuminant */ - sprintf(icp->err,"icmHeader_read: read_XYZNumber error"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - p->creator = read_SInt32Number(buf + 80); /* Profile creator */ - - for (tt = 0; tt < 16; tt++) - p->id[tt] = icp->ver ? read_UInt8Number(buf + 84 + tt) : 0; /* Profile ID */ - - icp->al->free(icp->al, buf); - -#ifndef ENABLE_V4 - if (icp->ver) { - sprintf(icp->err,"icmHeader_read: ICC V4 not supported!"); - return icp->errc = 1; - } -#endif - return 0; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -static int icmHeader_write( - icmHeader *p, - unsigned int of, /* File offset to write from */ - int doid /* Flag, nz = writing to compute ID */ -) { - icc *icp = p->icp; - char *buf; /* Buffer to write from */ - unsigned int len; - unsigned int tt; - int rv = 0; - - /* Allocate a file write buffer */ - if ((len = p->get_size(p)) == UINT_MAX) { - sprintf(icp->err,"icmHeader_write get_size overflow"); - return icp->errc = 1; - } - if ((buf = (char *) icp->al->calloc(icp->al,1,len)) == NULL) { /* Zero it - some CMS are fussy */ - sprintf(icp->err,"icmHeader_write calloc() failed"); - return icp->errc = 2; - } - - /* Fill in the write buffer */ - if ((rv = write_UInt32Number(p->size, buf + 0)) != 0) { /* Profile size in bytes */ - sprintf(icp->err,"icmHeader_write: profile size"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - - if ((rv = write_SInt32Number(p->cmmId, buf + 4)) != 0) { /* CMM for profile */ - sprintf(icp->err,"icmHeader_write: cmmId"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if (p->majv < 0 || p->majv > 99 /* Sanity check version numbers */ - || p->minv < 0 || p->minv > 9 - || p->bfv < 0 || p->bfv > 9) { - sprintf(icp->err,"icmHeader_write: version number"); - icp->al->free(icp->al, buf); - return icp->errc = 1; - } - tt = ((p->majv/10) << 4) + (p->majv % 10); - if ((rv = write_UInt8Number(tt, buf + 8)) != 0) { /* Raw major version number */ - sprintf(icp->err,"icmHeader_write: Uint8Number major version"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - tt = (p->minv << 4) + p->bfv; - if ((rv = write_UInt8Number(tt, buf + 9)) != 0) { /* Raw minor/bug fix version numbers */ - sprintf(icp->err,"icmHeader_write: Uint8Number minor/bug fix"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number((int)p->deviceClass, buf + 12)) != 0) { /* Type of profile */ - sprintf(icp->err,"icmHeader_write: SInt32Number deviceClass"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number((int)p->colorSpace, buf + 16)) != 0) { /* Color space of data */ - sprintf(icp->err,"icmHeader_write: SInt32Number data color space"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number((int)p->pcs, buf + 20)) != 0) { /* PCS: XYZ or Lab */ - sprintf(icp->err,"icmHeader_write: SInt32Number PCS"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_DateTimeNumber(&p->date, buf + 24)) != 0) { /* Creation Date */ - sprintf(icp->err,"icmHeader_write: DateTimeNumber creation"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number(icMagicNumber, buf+36)) != 0) { /* Magic number */ - sprintf(icp->err,"icmHeader_write: SInt32Number magic"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number((int)p->platform, buf + 40)) != 0) { /* Primary platform */ - sprintf(icp->err,"icmHeader_write: SInt32Number platform"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt32Number(doid ? 0 : p->flags, buf + 44)) != 0) { /* Various flag bits */ - sprintf(icp->err,"icmHeader_write: UInt32Number flags"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number(p->manufacturer, buf + 48)) != 0) { /* Dev manufacturer */ - sprintf(icp->err,"icmHeader_write: SInt32Number manufaturer"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((write_SInt32Number(p->model, buf + 52)) != 0) { /* Dev model */ - sprintf(icp->err,"icmHeader_write: SInt32Number model"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_UInt64Number(&p->attributes, buf + 56)) != 0) { /* Device attributes */ - sprintf(icp->err,"icmHeader_write: UInt64Number attributes"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number(doid ? 0 : (int)p->renderingIntent, buf + 64)) != 0) { /* Rendering intent */ - sprintf(icp->err,"icmHeader_write: SInt32Number rendering intent"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_XYZNumber(&p->illuminant, buf + 68)) != 0) { /* Profile illuminant */ - sprintf(icp->err,"icmHeader_write: XYZNumber illuminant"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if ((rv = write_SInt32Number(p->creator, buf + 80)) != 0) { /* Profile creator */ - sprintf(icp->err,"icmHeader_write: SInt32Number creator"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - if (doid == 0 && icp->ver) { /* ID is V4.0+ feature */ - for (tt = 0; tt < 16; tt++) { - if ((rv = write_UInt8Number(p->id[tt], buf + 84 + tt)) != 0) { /* Profile ID */ - sprintf(icp->err,"icmHeader_write: UInt8Number creator"); - icp->al->free(icp->al, buf); - return icp->errc = rv; - } - } - } - - if ( icp->fp->seek(icp->fp, of) != 0 - || icp->fp->write(icp->fp, buf, 1, len) != len) { - sprintf(icp->err,"icmHeader_write fseek() or fwrite() failed"); - icp->al->free(icp->al, buf); - return icp->errc = 2; - } - - icp->al->free(icp->al, buf); - return rv; -} - -static void icmHeader_dump( - icmHeader *p, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - int i; - if (verb <= 0) - return; - - op->gprintf(op,"Header:\n"); - op->gprintf(op," size = %d bytes\n",p->size); - op->gprintf(op," CMM = %s\n",tag2str(p->cmmId)); - op->gprintf(op," Version = %d.%d.%d\n",p->majv, p->minv, p->bfv); - op->gprintf(op," Device Class = %s\n", string_ProfileClassSignature(p->deviceClass)); - op->gprintf(op," Color Space = %s\n", string_ColorSpaceSignature(p->colorSpace)); - op->gprintf(op," Conn. Space = %s\n", string_ColorSpaceSignature(p->pcs)); - op->gprintf(op," Date, Time = %s\n", string_DateTimeNumber(&p->date)); - op->gprintf(op," Platform = %s\n", string_PlatformSignature(p->platform)); - op->gprintf(op," Flags = %s\n", string_ProfileHeaderFlags(p->flags)); - op->gprintf(op," Dev. Mnfctr. = %s\n", tag2str(p->manufacturer)); /* ~~~ */ - op->gprintf(op," Dev. Model = %s\n", tag2str(p->model)); /* ~~~ */ - op->gprintf(op," Dev. Attrbts = %s\n", string_DeviceAttributes(p->attributes.l)); - op->gprintf(op," Rndrng Intnt = %s\n", string_RenderingIntent(p->renderingIntent)); - op->gprintf(op," Illuminant = %s\n", string_XYZNumber_and_Lab(&p->illuminant)); - op->gprintf(op," Creator = %s\n", tag2str(p->creator)); /* ~~~ */ - if (p->icp->ver) { /* V4.0+ feature */ - for (i = 0; i < 16; i++) { /* Check if ID has been set */ - if (p->id[i] != 0) - break; - } - if (i < 16) - op->gprintf(op," ID = %02X%02X%02X%02X%02X%02X%02X%02X" - "%02X%02X%02X%02X%02X%02X%02X%02X\n", - p->id[0], p->id[1], p->id[2], p->id[3], p->id[4], p->id[5], p->id[6], p->id[7], - p->id[8], p->id[9], p->id[10], p->id[11], p->id[12], p->id[13], p->id[14], p->id[15]); - else - op->gprintf(op," ID = <Not set>\n"); - } - op->gprintf(op,"\n"); -} - -static void icmHeader_delete( - icmHeader *p -) { - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* Create an empty object. Return null on error */ -static icmHeader *new_icmHeader( - icc *icp -) { - icmHeader *p; - if ((p = (icmHeader *) icp->al->calloc(icp->al,1,sizeof(icmHeader))) == NULL) - return NULL; - p->icp = icp; - p->get_size = icmHeader_get_size; - p->read = icmHeader_read; - p->write = icmHeader_write; - p->dump = icmHeader_dump; - p->del = icmHeader_delete; - - return p; -} - -/* ---------------------------------------------------------- */ -/* Type vector table. Match the Tag type against the object creator */ -static struct { - icTagTypeSignature ttype; /* The tag type signature */ - icmBase * (*new_obj)(icc *icp); -} typetable[] = { - {icSigColorantTableType, new_icmColorantTable}, - {icmSigAltColorantTableType, new_icmColorantTable}, - {icSigCrdInfoType, new_icmCrdInfo}, - {icSigCurveType, new_icmCurve}, - {icSigDataType, new_icmData}, - {icSigDateTimeType, new_icmDateTimeNumber}, - {icSigLut16Type, new_icmLut}, - {icSigLut8Type, new_icmLut}, - {icSigMeasurementType, new_icmMeasurement}, - {icSigNamedColorType, new_icmNamedColor}, - {icSigNamedColor2Type, new_icmNamedColor}, - {icSigProfileSequenceDescType, new_icmProfileSequenceDesc}, - {icSigS15Fixed16ArrayType, new_icmS15Fixed16Array}, - {icSigScreeningType, new_icmScreening}, - {icSigSignatureType, new_icmSignature}, - {icSigTextDescriptionType, new_icmTextDescription}, - {icSigTextType, new_icmText}, - {icSigU16Fixed16ArrayType, new_icmU16Fixed16Array}, - {icSigUcrBgType, new_icmUcrBg}, - {icSigVideoCardGammaType, new_icmVideoCardGamma}, - {icSigUInt16ArrayType, new_icmUInt16Array}, - {icSigUInt32ArrayType, new_icmUInt32Array}, - {icSigUInt64ArrayType, new_icmUInt64Array}, - {icSigUInt8ArrayType, new_icmUInt8Array}, - {icSigViewingConditionsType, new_icmViewingConditions}, - {icSigXYZArrayType, new_icmXYZArray}, - {icMaxEnumType, NULL} -}; - -/* Table that lists the legal Types for each Tag Signature */ -static struct { - icTagSignature sig; - icTagTypeSignature ttypes[4]; /* Arbitrary max of 4 */ -} sigtypetable[] = { - {icSigAToB0Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigAToB1Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigAToB2Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigBlueColorantTag, {icSigXYZType,icMaxEnumType}}, - {icSigBlueTRCTag, {icSigCurveType,icMaxEnumType}}, - {icSigBToA0Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigBToA1Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigBToA2Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigCalibrationDateTimeTag, {icSigDateTimeType,icMaxEnumType}}, - {icSigCharTargetTag, {icSigTextType,icMaxEnumType}}, - {icSigColorantTableTag, {icSigColorantTableType,icmSigAltColorantTableType, - icMaxEnumType}}, - {icSigColorantTableOutTag, {icSigColorantTableType,icmSigAltColorantTableType, - icMaxEnumType}}, - {icSigCopyrightTag, {icSigTextType,icMaxEnumType}}, - {icSigCrdInfoTag, {icSigCrdInfoType,icMaxEnumType}}, - {icSigDeviceMfgDescTag, {icSigTextDescriptionType,icMaxEnumType}}, - {icSigDeviceModelDescTag, {icSigTextDescriptionType,icMaxEnumType}}, - {icSigGamutTag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigGrayTRCTag, {icSigCurveType,icMaxEnumType}}, - {icSigGreenColorantTag, {icSigXYZType,icMaxEnumType}}, - {icSigGreenTRCTag, {icSigCurveType,icMaxEnumType}}, - {icSigLuminanceTag, {icSigXYZType,icMaxEnumType}}, - {icSigMeasurementTag, {icSigMeasurementType,icMaxEnumType}}, - {icSigMediaBlackPointTag, {icSigXYZType,icMaxEnumType}}, - {icSigMediaWhitePointTag, {icSigXYZType,icMaxEnumType}}, - {icSigNamedColorTag, {icSigNamedColorType,icMaxEnumType}}, - {icSigNamedColor2Tag, {icSigNamedColor2Type,icMaxEnumType}}, - {icSigPreview0Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigPreview1Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigPreview2Tag, {icSigLut8Type,icSigLut16Type,icMaxEnumType}}, - {icSigProfileDescriptionTag, {icSigTextDescriptionType,icMaxEnumType}}, - {icSigProfileSequenceDescTag, {icSigProfileSequenceDescType,icMaxEnumType}}, - {icSigPs2CRD0Tag, {icSigDataType,icMaxEnumType}}, - {icSigPs2CRD1Tag, {icSigDataType,icMaxEnumType}}, - {icSigPs2CRD2Tag, {icSigDataType,icMaxEnumType}}, - {icSigPs2CRD3Tag, {icSigDataType,icMaxEnumType}}, - {icSigPs2CSATag, {icSigDataType,icMaxEnumType}}, - {icSigPs2RenderingIntentTag, {icSigDataType,icMaxEnumType}}, - {icSigRedColorantTag, {icSigXYZType,icMaxEnumType}}, - {icSigRedTRCTag, {icSigCurveType,icMaxEnumType}}, - {icSigScreeningDescTag, {icSigTextDescriptionType,icMaxEnumType}}, - {icSigScreeningTag, {icSigScreeningType,icMaxEnumType}}, - {icSigTechnologyTag, {icSigSignatureType,icMaxEnumType}}, - {icSigUcrBgTag, {icSigUcrBgType,icMaxEnumType}}, - {icSigVideoCardGammaTag, {icSigVideoCardGammaType,icMaxEnumType}}, - {icSigViewingCondDescTag, {icSigTextDescriptionType,icMaxEnumType}}, - {icSigViewingConditionsTag, {icSigViewingConditionsType,icMaxEnumType}}, - {icMaxEnumTag, {icMaxEnumType}} -}; - -/* Fake color tag for specifying PCS */ -#define icSigPCSData ((icColorSpaceSignature) 0x50435320L) - -/* Table that lists the required tags for various profiles */ -static struct { - icProfileClassSignature sig; /* Profile signature */ - int chans; /* Data Color channels, -ve for match but try next, */ - /* -100 for ignore, -200 for ignore and try next */ - icColorSpaceSignature colsig; /* Data Color space signature, icMaxEnumData for ignore, */ - /* icSigPCSData for XYZ of Lab */ - icColorSpaceSignature pcssig; /* PCS Color space signature, icMaxEnumData for ignore, */ - /* icSigPCSData for XYZ or Lab */ - icTagSignature tags[12]; /* Arbitrary max of 12 */ -} tagchecktable[] = { - {icSigInputClass, -1, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigGrayTRCTag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigInputClass, -3, icMaxEnumData, icSigXYZData, - {icSigProfileDescriptionTag, - icSigRedColorantTag, - icSigGreenColorantTag, - icSigBlueColorantTag, - icSigRedTRCTag, - icSigGreenTRCTag, - icSigBlueTRCTag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigInputClass, -100, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigDisplayClass, -1, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigGrayTRCTag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigDisplayClass, -3, icSigRgbData, icSigXYZData, /* Rgb or any 3 component space ?? */ - {icSigProfileDescriptionTag, - icSigRedColorantTag, - icSigGreenColorantTag, - icSigBlueColorantTag, - icSigRedTRCTag, - icSigGreenTRCTag, - icSigBlueTRCTag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - /* Non-3 component Display device */ - {icSigDisplayClass, -100, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, /* BToA doesn't seem to be required, which is strange... */ - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -1, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigGrayTRCTag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -1, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigBToA0Tag, - icSigGamutTag, - icSigAToB1Tag, - icSigBToA1Tag, - icSigAToB2Tag, - icSigBToA2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -2, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigBToA0Tag, - icSigGamutTag, - icSigAToB1Tag, - icSigBToA1Tag, - icSigAToB2Tag, - icSigBToA2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -3, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigBToA0Tag, - icSigGamutTag, - icSigAToB1Tag, - icSigBToA1Tag, - icSigAToB2Tag, - icSigBToA2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -4, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigBToA0Tag, - icSigGamutTag, - icSigAToB1Tag, - icSigBToA1Tag, - icSigAToB2Tag, - icSigBToA2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigOutputClass, -100, icMaxEnumData, icSigPCSData, /* Assumed from Hexachrome examples */ - {icSigProfileDescriptionTag, - icSigBToA0Tag, - icSigBToA1Tag, - icSigBToA2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigLinkClass, -100, icMaxEnumData, icMaxEnumData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigProfileSequenceDescTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigColorSpaceClass, -100, icMaxEnumData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigBToA0Tag, - icSigAToB0Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigAbstractClass, -100, icSigPCSData, icSigPCSData, - {icSigProfileDescriptionTag, - icSigAToB0Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigNamedColorClass, -200, icMaxEnumData, icMaxEnumData, - {icSigProfileDescriptionTag, - icSigNamedColor2Tag, - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icSigNamedColorClass, -100, icMaxEnumData, icMaxEnumData, - {icSigProfileDescriptionTag, - icSigNamedColorTag, /* Not strictly V3.4 */ - icSigMediaWhitePointTag, - icSigCopyrightTag, icMaxEnumTag}}, - - {icMaxEnumClass,-1,icMaxEnumData, icMaxEnumData, {icMaxEnumTag}} -}; - -/* ------------------------------------------------------------- */ - -/* Return the current read fp (if any) */ -static icmFile *icc_get_rfp(icc *p) { - return p->fp; -} - -/* Change the version to be non-default (ie. not 2.2.0), */ -/* e.g. ICC V4 (used for creation) */ -/* Return 0 if OK */ -/* Return 1 on error */ -static int icc_set_version(icc *p, icmICCVersion ver) { - - if (p->header == NULL) { - sprintf(p->err,"icc_set_version: Header is missing"); - return p->errc = 1; - } - - switch (ver) { - case icmVersionDefault: - p->header->majv = 2; - p->header->minv = 2; - p->header->bfv = 0; - break; - case icmVersion2_3: - p->header->majv = 2; - p->header->minv = 3; - p->header->bfv = 0; - break; - case icmVersion2_4: - p->header->majv = 2; - p->header->minv = 4; - p->header->bfv = 0; - break; -#ifdef ENABLE_V4 - case icmVersion4_1: - p->header->majv = 4; - p->header->minv = 1; - p->header->bfv = 0; - break; -#endif - default: - sprintf(p->err,"icc_set_version: Unsupported version 0x%x",ver); - return p->errc = 1; - } - return 0; -} - - -/* Check that the ICC profile looks like it will be legal. */ -/* Return non-zero and set error string if not */ -static int check_icc_legal( - icc *p -) { - int i, j; - icProfileClassSignature sig; - icColorSpaceSignature colsig; - icColorSpaceSignature pcssig; - int dchans; - - if (p->header == NULL) { - sprintf(p->err,"icc_check_legal: Header is missing"); - return p->errc = 1; - } - - sig = p->header->deviceClass; - colsig = p->header->colorSpace; - dchans = number_ColorSpaceSignature(colsig); - pcssig = p->header->pcs; - - /* Find a matching table entry */ - for (i = 0; tagchecktable[i].sig != icMaxEnumType; i++) { - if ( tagchecktable[i].sig == sig - && ( tagchecktable[i].chans == dchans /* Exactly matches */ - || tagchecktable[i].chans == -dchans /* Exactly matches, but can try next table */ - || tagchecktable[i].chans < -99) /* Doesn't have to match or try next table */ - && ( tagchecktable[i].colsig == colsig - || (tagchecktable[i].colsig == icSigPCSData - && (colsig == icSigXYZData || colsig == icSigLabData)) - || tagchecktable[i].colsig == icMaxEnumData) - && ( tagchecktable[i].pcssig == pcssig - || (tagchecktable[i].pcssig == icSigPCSData - && (pcssig == icSigXYZData || pcssig == icSigLabData)) - || tagchecktable[i].pcssig == icMaxEnumData)) { - - /* Found entry, so now check that all the required tags are present. */ - for (j = 0; tagchecktable[i].tags[j] != icMaxEnumType; j++) { - if (p->find_tag(p, tagchecktable[i].tags[j]) != 0) { /* Not present! */ - if (tagchecktable[i].chans == -200 - || tagchecktable[i].chans == -dchans) { /* But can try next table */ - break; - } - sprintf(p->err,"icc_check_legal: deviceClass %s is missing required tag %s", - tag2str(sig), tag2str(tagchecktable[i].tags[j])); - return p->errc = 1; - } - } - if (tagchecktable[i].tags[j] == icMaxEnumType) { - break; /* Fount all required tags */ - } - } - } - - /* According to the spec. if the deviceClass is: - an Abstract Class: both in and out color spaces should be PCS - an Link Class: both in and out color spaces can be any, and should - be the input space of the first profile in the link, and the - input space of the last profile in the link respectively. - a Named Class: in and out color spaces are not defined in the spec. - Input, Display, Output and ColorSpace Classes, input color - space can be any, and the output space must be PCS. - ~~ should check this here ??? - */ - - return 0; /* Assume anything is ok */ -} - - -/* read the object, return 0 on success, error code on fail */ -/* NOTE: this doesn't read the tag types, they should be read on demand. */ -/* NOTE: fp ownership is taken even if the function fails. */ -static int icc_read_x( - icc *p, - icmFile *fp, /* File to read from */ - unsigned int of, /* File offset to read from */ - int take_fp /* NZ if icc is to take ownership of fp */ -) { - char tcbuf[4]; /* Tag count read buffer */ - unsigned int i, len; - unsigned int minoff, maxoff; /* Minimum and maximum offsets of tag data */ - int er = 0; /* Error code */ - - p->fp = fp; - if (take_fp) - p->del_fp = 1; - p->of = of; - if (p->header == NULL) { - sprintf(p->err,"icc_read: No header defined"); - return p->errc = 1; - } - - /* Read the header */ - if (p->header->read(p->header, 128, of)) { - return 1; - } - - /* Read the tag count */ - if ( p->fp->seek(p->fp, of + 128) != 0 - || p->fp->read(p->fp, tcbuf, 1, 4) != 4) { - sprintf(p->err,"icc_read: fseek() or fread() failed on tag count"); - return p->errc = 1; - } - p->count = read_UInt32Number(tcbuf); - - /* Sanity check it */ - if (p->count > 357913940 /* (2^32-5)/12 */ - || (p->count > ((p->header->size - 128 - 4) / 12))) { - sprintf(p->err,"icc_read: tag count %d is too large to be legal",p->count); - return p->errc = 1; - } - minoff = 128 + 4 + p->count * 12; - maxoff = p->header->size; - - if (p->count > 0) { - char *bp, *buf; - - if (ovr_mul(p->count, sizeof(icmTag))) { - sprintf(p->err,"icc_read: size overflow"); - return p->errc = 1; - } - - /* Read the table into memory */ - if ((p->data = (icmTag *) p->al->calloc(p->al, p->count, sizeof(icmTag))) == NULL) { - sprintf(p->err,"icc_read: Tag table malloc() failed"); - return p->errc = 2; - } - - len = sat_mul(p->count, 12); - if ((buf = (char *) p->al->malloc(p->al, len)) == NULL) { - sprintf(p->err,"icc_read: Tag table read buffer malloc() failed"); - p->al->free(p->al, p->data); - p->data = NULL; - return p->errc = 2; - } - if ( p->fp->seek(p->fp, of + 128 + 4) != 0 - || p->fp->read(p->fp, buf, 1, len) != len) { - sprintf(p->err,"icc_read: fseek() or fread() failed on tag table"); - p->al->free(p->al, p->data); - p->data = NULL; - p->al->free(p->al, buf); - return p->errc = 1; - } - - /* Fill in the tag table structure for each tag */ - for (bp = buf, i = 0; i < p->count; i++, bp += 12) { - p->data[i].sig = (icTagSignature)read_SInt32Number(bp + 0); - p->data[i].offset = read_UInt32Number(bp + 4); - p->data[i].size = read_UInt32Number(bp + 8); - } - p->al->free(p->al, buf); - - /* Check that each tag lies within the nominated space available, */ - /* and has a reasonable size. */ - for (i = 0; i < p->count; i++) { - if (p->data[i].offset < minoff - || p->data[i].offset > maxoff - || p->data[i].size < 4 - || p->data[i].size > (maxoff - minoff) - || (p->data[i].offset + p->data[i].size) < p->data[i].offset /* Overflow */ - || (p->data[i].offset + p->data[i].size) > p->header->size) { - sprintf(p->err,"icc_read: tag %d is out of range of the nominated file size",i); - p->al->free(p->al, p->data); - p->data = NULL; - return p->errc = 1; - } - } - - /* Read each tag type */ - for (i = 0; i < p->count; i++) { - if ( p->fp->seek(p->fp, of + p->data[i].offset) != 0 - || p->fp->read(p->fp, tcbuf, 1, 4) != 4) { - sprintf(p->err,"icc_read: fseek() or fread() failed on tag headers"); - p->al->free(p->al, p->data); - p->data = NULL; - return p->errc = 1; - } - p->data[i].ttype = (icTagTypeSignature) read_SInt32Number(tcbuf); /* Tag type */ - p->data[i].objp = NULL; /* Read on demand */ - } - } /* p->count > 0 */ - - return er; -} - -/* read the object, return 0 on success, error code on fail */ -/* NOTE: this doesn't read the tag types, they should be read on demand. */ -/* (backward compatible version) */ -static int icc_read( - icc *p, - icmFile *fp, /* File to read from */ - unsigned int of /* File offset to read from */ -) { - return icc_read_x(p, fp, of, 0); -} - -/* Check the profiles ID. We assume the file has already been read. */ -/* Return 0 if OK, 1 if no ID to check, 2 if doesn't match, 3 if some other error. */ -/* NOTE: this reads the whole file again, to compute the checksum. */ -static int icc_check_id( - icc *p, - ORD8 *rid /* Optionaly return computed ID */ -) { - unsigned char buf[128]; - ORD8 id[16]; - icmMD5 *md5 = NULL; - unsigned int len; - - if (p->header == NULL) { - sprintf(p->err,"icc_check_id: No header defined"); - return p->errc = 3; - } - len = p->header->size; /* Claimed size of profile */ - - /* See if there is an ID to compare against */ - for (len = 0; len < 16; len++) { - if (p->header->id[len] != 0) - break; - } - if (len >= 16) { - return 1; - } - - if ((md5 = new_icmMD5(p->al)) == NULL) { - sprintf(p->err,"icc_check_id: new_icmMD5 failed"); - return p->errc = 3; - } - - /* Check the header */ - if ( p->fp->seek(p->fp, p->of) != 0 - || p->fp->read(p->fp, buf, 1, 128) != 128) { - sprintf(p->err,"icc_check_id: fseek() or fread() failed"); - return p->errc = 3; - } - - /* Zero the appropriate bytes in the header */ - buf[44] = buf[45] = buf[46] = buf[47] = 0; - buf[64] = buf[65] = buf[66] = buf[67] = 0; - buf[84] = buf[85] = buf[86] = buf[87] = - buf[88] = buf[89] = buf[90] = buf[91] = - buf[92] = buf[93] = buf[94] = buf[95] = - buf[96] = buf[97] = buf[98] = buf[99] = 0; - - md5->add(md5, buf, 128); - - /* Suck in the rest of the profile */ - for (;len > 0;) { - unsigned int rsize = 128; - if (rsize > len) - rsize = len; - if (p->fp->read(p->fp, buf, 1, rsize) != rsize) { - sprintf(p->err,"icc_check_id: fread() failed"); - return p->errc = 3; - } - md5->add(md5, buf, rsize); - len -= rsize; - } - - md5->get(md5, id); - md5->del(md5); - - if (rid != NULL) { - for (len = 0; len < 16; len++) - rid[len] = id[len]; - } - - /* Check the ID */ - for (len = 0; len < 16; len++) { - if (p->header->id[len] != id[len]) - break; - } - if (len >= 16) { - return 0; /* Matched */ - } - return 2; /* Didn't match */ -} - -/* Return the total size needed for the profile */ -/* Return 0 on error. */ -static unsigned int icc_get_size( - icc *p -) { - unsigned int i, size = 0; - -#ifdef ICM_STRICT - /* Check that the right tags etc. are present for a legal ICC profile */ - if (check_icc_legal(p) != 0) { - return 0; - } -#endif /* ICM_STRICT */ - - /* Compute the total size and tag element data offsets */ - if (p->header == NULL) { - sprintf(p->err,"icc_get_size: No header defined"); - p->errc = 1; - return 0; - } - - size = sat_add(size, p->header->get_size(p->header)); - /* Assume header is aligned */ - size = sat_addaddmul(size, 4, p->count, 12); /* Tag table length */ - size = sat_align(ALIGN_SIZE, size); - - if (size == UINT_MAX) { - sprintf(p->err,"icc_get_size: size overflow"); - return p->errc = 1; - } - - /* Reset touched flag for each tag type */ - for (i = 0; i < p->count; i++) { - if (p->data[i].objp == NULL) { - sprintf(p->err,"icc_get_size: Internal error - NULL tag element"); - p->errc = 1; - return 0; - } - p->data[i].objp->touched = 0; - } - /* Get size for each tag type, skipping links */ - for (i = 0; i < p->count; i++) { - if (p->data[i].objp->touched == 0) { /* Not alllowed for previously */ - size = sat_add(size, p->data[i].objp->get_size(p->data[i].objp)); - size = sat_align(ALIGN_SIZE, size); - p->data[i].objp->touched = 1; /* Don't account for this again */ - } - } - - return size; /* Total size needed, or UINT_MAX if overflow */ -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -/* NOTE: fp ownership is taken even if the function fails. */ -static int icc_write_x( - icc *p, - icmFile *fp, /* File to write to */ - unsigned int of, /* File offset to write to */ - int take_fp /* NZ if icc is to take ownership of fp */ -) { - char *bp, *buf; /* tag table buffer */ - unsigned int len; - int rv = 0; - unsigned int i, size = 0; - unsigned char pbuf[ALIGN_SIZE]; - - p->fp = fp; /* Open file pointer */ - if (take_fp) - p->del_fp = 1; - p->of = of; /* Offset of ICC profile */ - - for (i = 0; i < ALIGN_SIZE; i++) - pbuf[i] = 0; - - /* Check that the right tags etc. are present for a legal ICC profile */ - if ((rv = check_icc_legal(p)) != 0) { - return rv; - } - - /* Compute the total size and tag element data offsets */ - if (p->header == NULL) { - sprintf(p->err,"icc_write: No header defined"); - return p->errc = 1; - } - - size = sat_add(size, p->header->get_size(p->header)); - /* Assume header is aligned */ - len = sat_addmul(4, p->count, 12); /* Tag table length */ - len = sat_sub(sat_align(ALIGN_SIZE, sat_add(size, len)), size); /* Aligned size */ - size = sat_align(ALIGN_SIZE, sat_add(size, len)); - - if (len == UINT_MAX) { - sprintf(p->err,"icc_write get_size overflow"); - return p->errc = 1; - } - - /* Allocate memory buffer for tag table */ - if ((buf = (char *) p->al->calloc(p->al, 1, len)) == NULL) { - sprintf(p->err,"icc_write calloc() failed"); - return p->errc = 2; - } - bp = buf; - - if ((rv = write_UInt32Number(p->count, bp)) != 0) { /* Tag count */ - sprintf(p->err,"icc_write: write_UInt32Number() failed on tag count"); - p->al->free(p->al, buf); - return p->errc = rv; - } - bp += 4; - /* Reset touched flag for each tag type */ - for (i = 0; i < p->count; i++) { - if (p->data[i].objp == NULL) { - sprintf(p->err,"icc_write: Internal error - NULL tag element"); - p->al->free(p->al, buf); - return p->errc = 1; - } - p->data[i].objp->touched = 0; - } - /* Set the offset and size for each tag type, create the tag table write data */ - /* and compute the total profile size. */ - for (i = 0; i < p->count; i++) { - if (p->data[i].objp->touched == 0) { /* Allocate space for tag type */ - p->data[i].offset = size; /* Profile relative target */ - p->data[i].size = p->data[i].objp->get_size(p->data[i].objp); - size = sat_add(size, p->data[i].size); - p->data[i].pad = sat_sub(sat_align(ALIGN_SIZE, size), size); - size = sat_align(ALIGN_SIZE, size); - p->data[i].objp->touched = 1; /* Allocated space for it */ - if (size == UINT_MAX) { - sprintf(p->err,"icc_write: size overflow"); - return p->errc = 1; - } - } else { /* must be linked - copy allocation */ - unsigned int k; - for (k = 0; k < p->count; k++) { /* Find linked tag */ - if (p->data[k].objp == p->data[i].objp) - break; - } - if (k == p->count) { - sprintf(p->err,"icc_write: corrupted link"); - return p->errc = 2; - } - p->data[i].offset = p->data[k].offset; - p->data[i].size = p->data[k].size; - p->data[i].pad = p->data[k].pad; - } - /* Write tag table entry for this tag */ - if ((rv = write_SInt32Number((int)p->data[i].sig,bp + 0)) != 0) { - sprintf(p->err,"icc_write: write_SInt32Number() failed on tag signature"); - p->al->free(p->al, buf); - return p->errc = rv; - } - if ((rv = write_UInt32Number(p->data[i].offset, bp + 4)) != 0) { - sprintf(p->err,"icc_write: write_UInt32Number() failed on tag offset"); - p->al->free(p->al, buf); - return p->errc = rv; - } - if ((rv = write_UInt32Number(p->data[i].size, bp + 8)) != 0) { - sprintf(p->err,"icc_write: write_UInt32Number() failed on tag size"); - p->al->free(p->al, buf); - return p->errc = rv; - } - bp += 12; - } - p->header->size = size; /* Record total icc padded size */ - - - /* If V4.0+, Compute the MD5 id for the profile. */ - /* We do this by writing to a fake icmFile */ - if (p->ver) { - icmMD5 *md5 = NULL; - icmFile *ofp, *dfp = NULL; - - if ((md5 = new_icmMD5(p->al)) == NULL) { - sprintf(p->err,"icc_write: new_icmMD5 failed"); - p->al->free(p->al, buf); - return p->errc = 2; - } - - if ((dfp = new_icmFileMD5_a(md5, p->al)) == NULL) { - sprintf(p->err,"icc_write: new_icmFileMD5 failed"); - md5->del(md5); - p->al->free(p->al, buf); - return p->errc = 2; - } - - ofp = p->fp; - p->fp = dfp; - - /* Dumy write the header */ - if ((rv = p->header->write(p->header, 0, 1)) != 0) { - p->al->free(p->al, buf); - return rv; - } - - /* Dumy write the tag table */ - if ( p->fp->seek(p->fp, 128) != 0 - || p->fp->write(p->fp, buf, 1, len) != len) { - sprintf(p->err,"icc_write: seek() or write() failed"); - p->al->free(p->al, buf); - return p->errc = 1; - } - - /* Dumy write all the tag element data */ - /* (We invert meaning of touched here) */ - for (i = 0; i < p->count; i++) { /* For all the tag element data */ - if (p->data[i].objp->touched == 0) - continue; /* Must be linked, and we've already written it */ - if ((rv = p->data[i].objp->write(p->data[i].objp, p->data[i].offset)) != 0) { - p->al->free(p->al, buf); - return rv; - } - /* Pad with 0 to next boundary */ - if (p->data[i].pad > 0) { - if (p->fp->write(p->fp, pbuf, 1, p->data[i].pad) != p->data[i].pad) { - sprintf(p->err,"icc_write: write() failed"); - p->al->free(p->al, buf); - return p->errc = 1; - } - } - p->data[i].objp->touched = 0; /* Written it, so don't write it again. */ - } - - if (p->fp->flush(p->fp) != 0) { - sprintf(p->err,"icc_write flush() failed"); - p->al->free(p->al, buf); - return p->errc = 1; - } - - if ((p->errc = ((icmFileMD5 *)dfp)->get_errc(dfp)) != 0) { - sprintf(p->err,"icc_write compute ID failed with code %d", p->errc); - p->al->free(p->al, buf); - return p->errc; - } - - /* Get the MD5 checksum ID */ - md5->get(md5, p->header->id); - - dfp->del(dfp); - md5->del(md5); - p->fp = ofp; - - /* Reset the touched flags */ - for (i = 0; i < p->count; i++) - p->data[i].objp->touched = 1; - } - - /* Now write out the profile for real. */ - /* Although it may appear like we're seeking for each element, */ - /* in fact elements will be written in file order. */ - - /* Write the header */ - if ((rv = p->header->write(p->header, of, 0)) != 0) { - p->al->free(p->al, buf); - return rv; - } - - /* Write the tag table */ - if ( p->fp->seek(p->fp, of + 128) != 0 - || p->fp->write(p->fp, buf, 1, len) != len) { - sprintf(p->err,"icc_write: seek() or write() failed"); - p->al->free(p->al, buf); - return p->errc = 1; - } - p->al->free(p->al, buf); - - /* Write all the tag element data */ - /* (We invert the meaning of touched here) */ - for (i = 0; i < p->count; i++) { /* For all the tag element data */ - if (p->data[i].objp->touched == 0) - continue; /* Must be linked, and we've already written it */ - if ((rv = p->data[i].objp->write(p->data[i].objp, of + p->data[i].offset)) != 0) { - return rv; - } - /* Pad with 0 to next boundary */ - if (p->data[i].pad > 0) { - if (p->fp->write(p->fp, pbuf, 1, p->data[i].pad) != p->data[i].pad) { - sprintf(p->err,"icc_write: write() failed"); - return p->errc = 1; - } - } - p->data[i].objp->touched = 0; /* Written it, so don't write it again. */ - } - - if (p->fp->flush(p->fp) != 0) { - sprintf(p->err,"icc_write flush() failed"); - return p->errc = 1; - } - - return rv; -} - -/* Write the contents of the object. Return 0 on sucess, error code on failure */ -/* (backwards compatible version) */ -static int icc_write( - icc *p, - icmFile *fp, /* File to write to */ - unsigned int of /* File offset to write to */ -) { - return icc_write_x(p, fp, of, 0); -} - -/* Create and add a tag with the given signature. */ -/* Returns a pointer to the element object */ -/* Returns NULL if error - icc->errc will contain */ -/* 2 on system error, */ -/* 3 if unknown tag */ -/* NOTE: that we prevent tag duplication */ -/* NOTE: to create a tag type icmSigUnknownType, set ttype to icmSigUnknownType, */ -/* and set the actual tag type in icmSigUnknownType->uttype */ -static icmBase *icc_add_tag( - icc *p, - icTagSignature sig, /* Tag signature - may be unknown */ - icTagTypeSignature ttype /* Tag type */ -) { - icmBase *tp; - icmBase *nob; - int i = 0, ok = 1; - unsigned int j; - - if (ttype != icmSigUnknownType) { /* Check only for possibly known types */ - - /* Check that a known signature has an acceptable type */ - for (i = 0; sigtypetable[i].sig != icMaxEnumType; i++) { - if (sigtypetable[i].sig == sig) { /* recognized signature */ - ok = 0; - for (j = 0; sigtypetable[i].ttypes[j] != icMaxEnumType; j++) { - if (sigtypetable[i].ttypes[j] == ttype) /* recognized type */ - ok = 1; - } - break; - } - } - if (!ok) { - sprintf(p->err,"icc_add_tag: wrong tag type for signature"); - p->errc = 1; - return NULL; - } - - /* Check that we know how to handle this type */ - for (i = 0; typetable[i].ttype != icMaxEnumType; i++) { - if (typetable[i].ttype == ttype) - break; - } - if (typetable[i].ttype == icMaxEnumType) { - sprintf(p->err,"icc_add_tag: unsupported tag type"); - p->errc = 1; - return NULL; - } - } - - /* Check that this tag doesn't already exist */ - /* (Perhaps we should simply replace it, rather than erroring ?) */ - for (j = 0; j < p->count; j++) { - if (p->data[j].sig == sig) { - sprintf(p->err,"icc_add_tag: Already have tag '%s' in profile",tag2str(p->data[j].sig)); - p->errc = 1; - return NULL; - } - } - - /* Make space in tag table for new tag item */ - if (ovr_mul(sat_add(p->count,1), sizeof(icmTag))) { - sprintf(p->err,"icc_add_tag: size overflow"); - p->errc = 1; - return NULL; - } - if (p->data == NULL) - tp = (icmBase *)p->al->malloc(p->al, (p->count+1) * sizeof(icmTag)); - else - tp = (icmBase *)p->al->realloc(p->al, (void *)p->data, (p->count+1) * sizeof(icmTag)); - if (tp == NULL) { - sprintf(p->err,"icc_add_tag: Tag table realloc() failed"); - p->errc = 2; - return NULL; - } - p->data = (icmTag *)tp; - - if (ttype == icmSigUnknownType) { - if ((nob = new_icmUnknown(p)) == NULL) - return NULL; - } else { - /* Allocate the empty object */ - if ((nob = typetable[i].new_obj(p)) == NULL) - return NULL; - } - - /* Fill out our tag table entry */ - p->data[p->count].sig = sig; /* The tag signature */ - p->data[p->count].ttype = nob->ttype = ttype; /* The tag type signature */ - p->data[p->count].offset = 0; /* Unknown offset yet */ - p->data[p->count].size = 0; /* Unknown size yet */ - p->data[p->count].objp = nob; /* Empty object */ - p->count++; - - return nob; -} - -/* Create and add a tag which is a link to an existing tag. */ -/* Returns a pointer to the element object */ -/* Returns NULL if error - icc->errc will contain */ -/* 3 if incompatible tag */ -/* NOTE: that we prevent tag duplication */ -static icmBase *icc_link_tag( - icc *p, - icTagSignature sig, /* Tag signature - may be unknown */ - icTagSignature ex_sig /* Tag signature of tag to link to */ -) { - icmBase *tp; - unsigned int j, exi; - int i, ok = 1; - - /* Search for existing signature */ - for (exi = 0; exi < p->count; exi++) { - if (p->data[exi].sig == ex_sig) /* Found it */ - break; - } - if (exi == p->count) { - sprintf(p->err,"icc_link_tag: Can't find existing tag '%s'",tag2str(ex_sig)); - p->errc = 1; - return NULL; - } - - if (p->data[exi].objp == NULL) { - sprintf(p->err,"icc_link_tag: Existing tag '%s' isn't loaded",tag2str(ex_sig)); - p->errc = 1; - return NULL; - } - - /* Check that a known signature has an acceptable type */ - for (i = 0; sigtypetable[i].sig != icMaxEnumType; i++) { - if (sigtypetable[i].sig == sig) { /* recognized signature */ - ok = 0; - for (j = 0; sigtypetable[i].ttypes[j] != icMaxEnumType; j++) { - if (sigtypetable[i].ttypes[j] == p->data[exi].ttype) /* recognized type */ - ok = 1; - } - break; - } - } - if (!ok) { - sprintf(p->err,"icc_link_tag: wrong tag type for signature"); - p->errc = 1; - return NULL; - } - - /* Check that this tag doesn't already exits */ - for (j = 0; j < p->count; j++) { - if (p->data[j].sig == sig) { - sprintf(p->err,"icc_link_tag: Already have tag '%s' in profile",tag2str(p->data[j].sig)); - p->errc = 1; - return NULL; - } - } - - /* Make space in tag table for new tag item */ - if (p->data == NULL) - tp = (icmBase *)p->al->malloc(p->al, (p->count+1) * sizeof(icmTag)); - else - tp = (icmBase *)p->al->realloc(p->al, (void *)p->data, (p->count+1) * sizeof(icmTag)); - if (tp == NULL) { - sprintf(p->err,"icc_link_tag: Tag table realloc() failed"); - p->errc = 2; - return NULL; - } - p->data = (icmTag *)tp; - - /* Fill out our tag table entry */ - p->data[p->count].sig = sig; /* The tag signature */ - p->data[p->count].ttype = p->data[exi].ttype; /* The tag type signature */ - p->data[p->count].offset = p->data[exi].offset; /* Same offset (may not be allocated yet) */ - p->data[p->count].size = p->data[exi].size; /* Same size (may not be allocated yet) */ - p->data[p->count].objp = p->data[exi].objp; /* Shared object */ - p->data[exi].objp->refcount++; /* Bump reference count on tag type */ - p->count++; - - return p->data[exi].objp; -} - -/* Search for tag signature */ -/* return: */ -/* 0 if found */ -/* 1 if found but not handled type */ -/* 2 if not found */ -/* NOTE: doesn't set icc->errc or icc->err[] */ -/* NOTE: we don't handle tag duplication - you'll always get the first in the file. */ -static int icc_find_tag( - icc *p, - icTagSignature sig /* Tag signature - may be unknown */ -) { - unsigned int i; - int j; - - /* Search for signature */ - for (i = 0; i < p->count; i++) { - if (p->data[i].sig == sig) /* Found it */ - break; - } - if (i == p->count) - return 2; - - /* See if we can handle this type */ - for (j = 0; typetable[j].ttype != icMaxEnumType; j++) { - if (typetable[j].ttype == p->data[i].ttype) - break; - } - if (typetable[j].ttype == icMaxEnumType) - return 1; - - return 0; -} - -/* Read the specific tag element data, and return a pointer to the object */ -/* (This is an internal function) */ -/* Returns NULL if error - icc->errc will contain: */ -/* 2 if not found */ -/* Returns an icmSigUnknownType object if the tag type isn't handled by a */ -/* specific object and alow_unk is NZ */ -/* NOTE: we don't handle tag duplication - you'll always get the first in the file */ -static icmBase *icc_read_tag_ix( - icc *p, - unsigned int i, /* Index from 0.. p->count-1 */ - int alow_unk /* NZ to allow unknown tag to load */ -) { - icTagTypeSignature ttype; /* Tag type we will create */ - icmBase *nob; - unsigned int k; - int j; - - if (i >= p->count) { - sprintf(p->err,"icc_read_tag_ix: index %d is out of range",i); - p->errc = 2; - return NULL; - } - - /* See if it's already been read */ - if (p->data[i].objp != NULL) { - return p->data[i].objp; /* Just return it */ - } - - /* See if this should be a link */ - for (k = 0; k < p->count; k++) { - if (i == k) - continue; - if (p->data[i].ttype == p->data[k].ttype /* Exact match and already read */ - && p->data[i].offset == p->data[k].offset - && p->data[i].size == p->data[k].size - && p->data[k].objp != NULL) - break; - } - if (k < p->count) { /* Make this a link */ - p->data[i].objp = p->data[k].objp; - p->data[k].objp->refcount++; /* Bump reference count */ - return p->data[k].objp; /* Done */ - } - - /* See if we can handle this type */ - for (j = 0; typetable[j].ttype != icMaxEnumType; j++) { - if (typetable[j].ttype == p->data[i].ttype) - break; - } - - if (typetable[j].ttype == icMaxEnumType) { - if (!alow_unk) { - p->errc = 2; - return NULL; - } - ttype = icmSigUnknownType; /* Use the Unknown type to handle an unknown tag type */ - } else { - ttype = p->data[i].ttype; /* We known this type */ - } - - /* Create and read in the object */ - if (ttype == icmSigUnknownType) - nob = new_icmUnknown(p); - else - nob = typetable[j].new_obj(p); - - if (nob == NULL) - return NULL; - - if ((nob->read(nob, p->data[i].size, p->of + p->data[i].offset)) != 0) { - nob->del(nob); /* Failed, so destroy it */ - return NULL; - } - p->data[i].objp = nob; - return nob; -} - -/* Read the tag element data of the first matching, and return a pointer to the object */ -/* Returns NULL if error - icc->errc will contain: */ -/* 2 if not found */ -/* Doesn't read uknown type tags */ -static icmBase *icc_read_tag( - icc *p, - icTagSignature sig /* Tag signature - may be unknown */ -) { - unsigned int i; - - /* Search for signature */ - for (i = 0; i < p->count; i++) { - if (p->data[i].sig == sig) /* Found it */ - break; - } - if (i >= p->count) { - sprintf(p->err,"icc_read_tag: Tag '%s' not found",string_TagSignature(sig)); - p->errc = 2; - return NULL; - } - - /* Let read_tag_ix do all the work */ - return icc_read_tag_ix(p, i, 0); -} - -/* Read the tag element data of the first matching, and return a pointer to the object */ -/* Returns NULL if error. -/* Returns an icmSigUnknownType object if the tag type isn't handled by a specific object. */ -/* NOTE: we don't handle tag duplication - you'll always get the first in the file. */ -static icmBase *icc_read_tag_any( - icc *p, - icTagSignature sig /* Tag signature - may be unknown */ -) { - unsigned int i; - - /* Search for signature */ - for (i = 0; i < p->count; i++) { - if (p->data[i].sig == sig) /* Found it */ - break; - } - if (i >= p->count) { - sprintf(p->err,"icc_read_tag: Tag '%s' not found",string_TagSignature(sig)); - p->errc = 2; - return NULL; - } - - /* Let read_tag_ix do all the work */ - return icc_read_tag_ix(p, i, 1); -} - -/* Rename a tag signature */ -static int icc_rename_tag( - icc *p, - icTagSignature sig, /* Existing Tag signature - may be unknown */ - icTagSignature sigNew /* New Tag signature - may be unknown */ -) { - unsigned int k; - int i, j, ok = 1; - - /* Search for signature */ - for (k = 0; k < p->count; k++) { - if (p->data[k].sig == sig) /* Found it */ - break; - } - if (k >= p->count) { - sprintf(p->err,"icc_rename_tag: Tag '%s' not found",string_TagSignature(sig)); - return p->errc = 2; - } - - /* Check that a known new signature has an acceptable type */ - for (i = 0; sigtypetable[i].sig != icMaxEnumType; i++) { - if (sigtypetable[i].sig == sigNew) { /* recognized signature */ - ok = 0; - for (j = 0; sigtypetable[i].ttypes[j] != icMaxEnumType; j++) { - if (sigtypetable[i].ttypes[j] == p->data[k].ttype) /* recognized type */ - ok = 1; - } - break; - } - } - - if (!ok) { - sprintf(p->err,"icc_rename_tag: wrong signature for tag type"); - p->errc = 1; - return p->errc; - } - - /* change its signature */ - p->data[k].sig = sigNew; - - return 0; -} - -/* Unread a specific tag, and free the underlying tag type data */ -/* if this was the last reference to it. */ -/* (This is an internal function) */ -/* Returns non-zero on error: */ -/* tag not found - icc->errc will contain 2 */ -/* tag not read - icc->errc will contain 2 */ -static int icc_unread_tag_ix( - icc *p, - unsigned int i /* Index from 0.. p->count-1 */ -) { - if (i >= p->count) { - sprintf(p->err,"icc_unread_tag_ix: index %d is out of range",i); - return p->errc = 2; - } - - /* See if it's been read */ - if (p->data[i].objp == NULL) { - sprintf(p->err,"icc_unread_tag: Tag '%s' not currently loaded",string_TagSignature(p->data[i].sig)); - return p->errc = 2; - } - - if (--(p->data[i].objp->refcount) == 0) /* decrement reference count */ - (p->data[i].objp->del)(p->data[i].objp); /* Last reference */ - p->data[i].objp = NULL; - - return 0; -} - -/* Unread the tag, and free the underlying tag type */ -/* if this was the last reference to it. */ -/* Returns non-zero on error: */ -/* tag not found - icc->errc will contain 2 */ -/* tag not read - icc->errc will contain 2 */ -/* NOTE: we don't handle tag duplication - you'll always get the first in the file */ -static int icc_unread_tag( - icc *p, - icTagSignature sig /* Tag signature - may be unknown */ -) { - unsigned int i; - - /* Search for signature */ - for (i = 0; i < p->count; i++) { - if (p->data[i].sig == sig) /* Found it */ - break; - } - if (i >= p->count) { - sprintf(p->err,"icc_unread_tag: Tag '%s' not found",string_TagSignature(sig)); - return p->errc = 2; - } - - return icc_unread_tag(p, i); -} - -/* Delete the tag, and free the underlying tag type, */ -/* if this was the last reference to it. */ -/* Note this finds the first tag with a matching signature */ -/* Returns non-zero on error: */ -/* tag not found - icc->errc will contain 2 */ -static int icc_delete_tag_ix( - icc *p, - unsigned int i /* Index from 0.. p->count-1 */ -) { - if (i >= p->count) { - sprintf(p->err,"icc_delete_tag_ix: index %d of range",i); - return p->errc = 2; - } - - /* If it's been read into memory, decrement the reference count */ - if (p->data[i].objp != NULL) { - if (--(p->data[i].objp->refcount) == 0) /* decrement reference count */ - (p->data[i].objp->del)(p->data[i].objp); /* Last reference */ - p->data[i].objp = NULL; - } - - /* Now remove it from the tag list */ - for (; i < (p->count-1); i++) - p->data[i] = p->data[i+1]; /* Copy the structure down */ - - p->count--; /* One less tag in list */ - - return 0; -} - -/* Delete the tag, and free the underlying tag type, */ -/* if this was the last reference to it. */ -/* Note this finds the first tag with a matching signature. */ -/* Returns non-zero on error: */ -/* tag not found - icc->errc will contain 2 */ -static int icc_delete_tag( - icc *p, - icTagSignature sig /* Tag signature - may be unknown */ -) { - unsigned int i; - - /* Search for signature */ - for (i = 0; i < p->count; i++) { - if (p->data[i].sig == sig) /* Found it */ - break; - } - if (i >= p->count) { - sprintf(p->err,"icc_delete_tag: Tag '%s' not found",string_TagSignature(sig)); - return p->errc = 2; - } - - return icc_delete_tag_ix(p, i); -} - -/* Read all the tags into memory, including unknown types. */ -/* Returns non-zero on error. */ -static int icc_read_all_tags( - icc *p -) { - unsigned int i; - - for (i = 0; i < p->count; i++) { /* For all the tag element data */ - if (icc_read_tag_ix(p, i, 1) == NULL) - return p->errc; - } - return 0; -} - - -static void icc_dump( - icc *p, - icmFile *op, /* Output to dump to */ - int verb /* Verbosity level */ -) { - unsigned int i; - if (verb <= 0) - return; - - op->gprintf(op,"icc:\n"); - - /* Dump the header */ - if (p->header != NULL) - p->header->dump(p->header,op,verb); - - /* Dump all the tag elements */ - for (i = 0; i < p->count; i++) { /* For all the tag element data */ - icmBase *ob; - int tr; - op->gprintf(op,"tag %d:\n",i); - op->gprintf(op," sig %s\n",tag2str(p->data[i].sig)); - op->gprintf(op," type %s\n",tag2str(p->data[i].ttype)); - op->gprintf(op," offset %d\n", p->data[i].offset); - op->gprintf(op," size %d\n", p->data[i].size); - tr = 0; - if (p->data[i].objp == NULL) { - /* The object is not loaded, so load it then free it */ - if (icc_read_tag_ix(p, i, 1) == NULL) - op->gprintf(op,"Unable to read: %d, %s\n",p->errc,p->err); - tr = 1; - } - if ((ob = p->data[i].objp) != NULL) { - /* op->gprintf(op," refcount %d\n", ob->refcount); */ - ob->dump(ob,op,verb-1); - - if (tr != 0) { /* Cleanup if temporary */ - icc_unread_tag_ix(p, i); - } - } - op->gprintf(op,"\n"); - } -} - -static void icc_delete( - icc *p -) { - unsigned int i; - icmAlloc *al = p->al; - int del_al = p->del_al; - - /* Free up the header */ - if (p->header != NULL) - (p->header->del)(p->header); - - /* Free up the tag data objects */ - if (p->data != NULL) { - for (i = 0; i < p->count; i++) { - if (p->data[i].objp != NULL) { - if (--(p->data[i].objp->refcount) == 0) /* decrement reference count */ - (p->data[i].objp->del)(p->data[i].objp); /* Last reference */ - p->data[i].objp = NULL; - } - } - /* Free tag table */ - al->free(al, p->data); - } - - /* We are responsible for deleting the file object */ - if (p->del_fp && p->fp != NULL) - p->fp->del(p->fp); - - /* This object */ - al->free(al, p); - - if (del_al) /* We are responsible for deleting allocator */ - al->del(al); -} - -/* ================================================== */ -/* Lut Color normalizing and de-normalizing functions */ - -/* As a rule, I am representing Lut in memory as values in machine form as real */ -/* numbers in the range 0.0 - 1.0. For many color spaces (ie. RGB, Gray, */ -/* hsv, hls, cmyk and other device coords), this is entirely appropriate. */ -/* For CIE based spaces though, this is not correct, since (I assume!) the binary */ -/* representation will be consistent with the encoding in Annex A, page 74 */ -/* of the standard. Note that the standard doesn't specify the encoding of */ -/* many color spaces (ie. Yuv, Yxy etc.), and is unclear about PCS. */ - -/* The following functions convert to and from the CIE base spaces */ -/* and the real Lut input/output values. These are used to convert real color */ -/* space values into/out of the raw lut 0.0-1.0 representation (which subsequently */ -/* get converted to ICC integer values in the obvious way as a mapping to 0 .. 2^n-1). */ - -/* This is used internally to support the Lut->lookup() function, */ -/* and can also be used by someone writing a Lut based profile to determine */ -/* the colorspace range that the input lut indexes cover, as well */ -/* as processing the output luts values into normalized form ready */ -/* for writing. */ - -/* These functions should be accessed by calling icc.getNormFuncs() */ - -/* - - - - - - - - - - - - - - - - */ -/* According to 6.5.5 and 6.5.6 of the spec., */ -/* XYZ index values are represented the same as their table */ -/* values, ie. as a u1.15 representation, with a value */ -/* range from 0.0 -> 1.999969482422 */ - -/* Convert Lut index/value to XYZ coord. */ -static void Lut_Lut2XYZ(double *out, double *in) { - out[0] = in[0] * (1.0 + 32767.0/32768); /* X */ - out[1] = in[1] * (1.0 + 32767.0/32768); /* Y */ - out[2] = in[2] * (1.0 + 32767.0/32768); /* Z */ -} - -/* Convert XYZ coord to Lut index/value. */ -static void Lut_XYZ2Lut(double *out, double *in) { - out[0] = in[0] * (1.0/(1.0 + 32767.0/32768)); - out[1] = in[1] * (1.0/(1.0 + 32767.0/32768)); - out[2] = in[2] * (1.0/(1.0 + 32767.0/32768)); -} - -/* Convert Lut index/value to Y coord. */ -static void Lut_Lut2Y(double *out, double *in) { - out[0] = in[0] * (1.0 + 32767.0/32768); /* Y */ -} - -/* Convert Y coord to Lut index/value. */ -static void Lut_Y2Lut(double *out, double *in) { - out[0] = in[0] * (1.0/(1.0 + 32767.0/32768)); -} - -/* - - - - - - - - - - - - - - - - */ -/* Convert 8 bit Lab to Lut numbers */ -/* Annex A specifies 8 and 16 bit encoding, but is */ -/* silent on the Lut index normalization. */ -/* Following Michael Bourgoin's 1998 SIGGRAPH course comment on this, */ -/* we assume here that the index encoding is the same as the */ -/* value encoding. */ - -/* Convert Lut8 table index/value to Lab */ -static void Lut_Lut2Lab_8(double *out, double *in) { - out[0] = in[0] * 100.0; /* L */ - out[1] = (in[1] * 255.0) - 128.0; /* a */ - out[2] = (in[2] * 255.0) - 128.0; /* b */ -} - -/* Convert Lab to Lut8 table index/value */ -static void Lut_Lab2Lut_8(double *out, double *in) { - out[0] = in[0] * 1.0/100.0; /* L */ - out[1] = (in[1] + 128.0) * 1.0/255.0; /* a */ - out[2] = (in[2] + 128.0) * 1.0/255.0; /* b */ -} - -/* Convert Lut8 table index/value to L */ -static void Lut_Lut2L_8(double *out, double *in) { - out[0] = in[0] * 100.0; /* L */ -} - -/* Convert L to Lut8 table index/value */ -static void Lut_L2Lut_8(double *out, double *in) { - out[0] = in[0] * 1.0/100.0; /* L */ -} - -/* - - - - - - - - - - - - - - - - */ -/* Convert 16 bit Lab to Lut numbers, V2 */ - -/* Convert Lut16 table index/value to Lab */ -static void Lut_Lut2LabV2_16(double *out, double *in) { - out[0] = in[0] * (100.0 * 65535.0)/65280.0; /* L */ - out[1] = (in[1] * (255.0 * 65535.0)/65280) - 128.0; /* a */ - out[2] = (in[2] * (255.0 * 65535.0)/65280) - 128.0; /* b */ -} - -/* Convert Lab to Lut16 table index/value */ -static void Lut_Lab2LutV2_16(double *out, double *in) { - out[0] = in[0] * 65280.0/(100.0 * 65535.0); /* L */ - out[1] = (in[1] + 128.0) * 65280.0/(255.0 * 65535.0); /* a */ - out[2] = (in[2] + 128.0) * 65280.0/(255.0 * 65535.0); /* b */ -} - -/* Convert Lut16 table index/value to L */ -static void Lut_Lut2LV2_16(double *out, double *in) { - out[0] = in[0] * (100.0 * 65535.0)/65280.0; /* L */ -} - -/* Convert Lab to Lut16 table index/value */ -static void Lut_L2LutV2_16(double *out, double *in) { - out[0] = in[0] * 65280.0/(100.0 * 65535.0); /* L */ -} - -/* - - - - - - - - - - - - - - - - */ -/* Convert 16 bit Lab to Lut numbers, V4 */ - -/* Convert Lut16 table index/value to Lab */ -static void Lut_Lut2LabV4_16(double *out, double *in) { - out[0] = in[0] * 100.0; /* L */ - out[1] = (in[1] * 255.0) - 128.0; /* a */ - out[2] = (in[2] * 255.0) - 128.0; /* b */ -} - -/* Convert Lab to Lut16 table index/value */ -static void Lut_Lab2LutV4_16(double *out, double *in) { - out[0] = in[0] * 1.0/100.0; /* L */ - out[1] = (in[1] + 128.0) * 1.0/255.0; /* a */ - out[2] = (in[2] + 128.0) * 1.0/255.0; /* b */ -} - -/* Convert Lut16 table index/value to L */ -static void Lut_Lut2LV4_16(double *out, double *in) { - out[0] = in[0] * 100.0; /* L */ -} - -/* Convert L to Lut16 table index/value */ -static void Lut_L2LutV4_16(double *out, double *in) { - out[0] = in[0] * 1.0/100.0; /* L */ -} - -/* - - - - - - - - - - - - - - - - */ -/* Convert Luv to Lut number */ -/* This data normalization is taken from Apples */ -/* Colorsync specification. */ -/* As per other color spaces, we assume that the index */ -/* normalization is the same as the data normalization. */ - -/* Convert Lut table index/value to Luv */ -static void Lut_Lut2Luv(double *out, double *in) { - out[0] = in[0] * 100.0; /* L */ - out[1] = (in[1] * 65535.0/256.0) - 128.0; /* u */ - out[2] = (in[2] * 65535.0/256.0) - 128.0; /* v */ -} - -/* Convert Luv to Lut table index/value */ -static void Lut_Luv2Lut(double *out, double *in) { - out[0] = in[0] * 1.0/100.0; /* L */ - out[1] = (in[1] + 128.0) * 256.0/65535.0; /* u */ - out[2] = (in[2] + 128.0) * 256.0/65535.0; /* v */ -} - -/* - - - - - - - - - - - - - - - - */ -/* Default N component conversions */ -static void Lut_N(double *out, double *in, int nc) { - for (--nc; nc >= 0; nc--) - out[nc] = in[nc]; -} - -/* 1 */ -static void Lut_1(double *out, double *in) { - out[0] = in[0]; -} - -/* 2 */ -static void Lut_2(double *out, double *in) { - out[0] = in[0]; - out[1] = in[1]; -} - -/* 3 */ -static void Lut_3(double *out, double *in) { - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; -} - -/* 4 */ -static void Lut_4(double *out, double *in) { - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - out[3] = in[3]; -} - -/* 5 */ -static void Lut_5(double *out, double *in) { - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - out[3] = in[3]; - out[4] = in[4]; -} - -/* 6 */ -static void Lut_6(double *out, double *in) { - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - out[3] = in[3]; - out[4] = in[4]; - out[5] = in[5]; -} - -/* 7 */ -static void Lut_7(double *out, double *in) { - Lut_N(out, in, 7); -} - -/* 8 */ -static void Lut_8(double *out, double *in) { - Lut_N(out, in, 8); -} - -/* 9 */ -static void Lut_9(double *out, double *in) { - Lut_N(out, in, 9); -} - -/* 10 */ -static void Lut_10(double *out, double *in) { - Lut_N(out, in, 10); -} - -/* 11 */ -static void Lut_11(double *out, double *in) { - Lut_N(out, in, 11); -} - -/* 12 */ -static void Lut_12(double *out, double *in) { - Lut_N(out, in, 12); -} - -/* 13 */ -static void Lut_13(double *out, double *in) { - Lut_N(out, in, 13); -} - -/* 14 */ -static void Lut_14(double *out, double *in) { - Lut_N(out, in, 14); -} - -/* 15 */ -static void Lut_15(double *out, double *in) { - Lut_N(out, in, 15); -} - -/* Function table - match conversions to color spaces. */ -/* Anything not here, we don't know how to convert. */ -/* (ie. YCbCr) */ -static struct { - icColorSpaceSignature csig; - void (*fromLut)(double *out, double *in); /* from Lut index/entry */ - void (*toLut)(double *out, double *in); /* to Lut index/entry */ -} colnormtable[] = { - {icSigXYZData, Lut_Lut2XYZ, Lut_XYZ2Lut }, - {icmSigYData, Lut_Lut2Y, Lut_Y2Lut }, - {icmSigLab8Data, Lut_Lut2Lab_8, Lut_Lab2Lut_8 }, - {icmSigLabV2Data, Lut_Lut2LabV2_16, Lut_Lab2LutV2_16 }, - {icmSigLabV4Data, Lut_Lut2LabV4_16, Lut_Lab2LutV4_16 }, - {icmSigL8Data, Lut_Lut2L_8, Lut_L2Lut_8 }, - {icmSigLV2Data, Lut_Lut2LV2_16, Lut_L2LutV2_16 }, - {icmSigLV4Data, Lut_Lut2LV4_16, Lut_L2LutV4_16 }, - {icSigLuvData, Lut_Lut2Luv, Lut_Luv2Lut }, - {icSigYxyData, Lut_3, Lut_3 }, - {icSigRgbData, Lut_3, Lut_3 }, - {icSigGrayData, Lut_1, Lut_1 }, - {icSigHsvData, Lut_3, Lut_3 }, - {icSigHlsData, Lut_3, Lut_3 }, - {icSigCmykData, Lut_4, Lut_4 }, - {icSigCmyData, Lut_3, Lut_3 }, - {icSigMch6Data, Lut_6, Lut_6 }, - {icSig2colorData, Lut_2, Lut_2 }, - {icSig3colorData, Lut_3, Lut_3 }, - {icSig4colorData, Lut_4, Lut_4 }, - {icSig5colorData, Lut_5, Lut_5 }, - {icSig6colorData, Lut_6, Lut_6 }, - {icSig7colorData, Lut_7, Lut_7 }, - {icSigMch5Data, Lut_5, Lut_5 }, - {icSigMch6Data, Lut_6, Lut_6 }, - {icSigMch7Data, Lut_7, Lut_7 }, - {icSigMch8Data, Lut_8, Lut_8 }, - {icSig8colorData, Lut_8, Lut_8 }, - {icSig9colorData, Lut_9, Lut_9 }, - {icSig10colorData, Lut_10, Lut_10 }, - {icSig11colorData, Lut_11, Lut_11 }, - {icSig12colorData, Lut_12, Lut_12 }, - {icSig13colorData, Lut_13, Lut_13 }, - {icSig14colorData, Lut_14, Lut_14 }, - {icSig15colorData, Lut_15, Lut_15 }, - {icMaxEnumData, NULL, NULL } -}; - -/* - Legacy Lab encoding: - - The V4 specificatins are misleading on this, since they assume in this - instance that all devices spaces, however labeled, have no defined - ICC encoding. The end result is simple enough though: - - ICC V2 Lab encoding should be used in all PCS encodings in - a icSigLut16Type or icSigNamedColor2Type tag, and can be used - for Lab encoding in device spaces for these tags. - - ICC V4 Lab encoding should be used in all PCS encodings in - all other situations, and can be used for Lab encoding in - device spaces for all other situtaions. - - [ Since the ICC spec. doesn't cover device spaces labeled as Lab, - these are ripe for mis-matches between different implementations.] - - This logic has yet to be fully implemented here. -*/ - -/* Find appropriate conversion functions from the normalised */ -/* Lut data range 0.0 - 1.0 to/from a given colorspace value, */ -/* given the color space and Lut type. */ -/* Return 0 on success, 1 on match failure. */ -/* NOTE: doesn't set error value, message etc.! */ -static int getNormFunc( - icc *icp, -// icProfileClassSignature psig, /* Profile signature to use */ - icColorSpaceSignature csig, /* Colorspace to use. */ -// int lutin, /* 0 if this is for a icSigLut16Type input, nz for output */ -// icTagSignature tagSig, /* Tag signature involved (AtoB or B2A etc.) */ - icTagTypeSignature tagType, /* icSigLut8Type or icSigLut16Type or V4 lut */ - icmNormFlag flag, /* icmFromLuti, icmFromLutv or icmToLuti, icmToLutv */ - void (**nfunc)(double *out, double *in) -) { - int i; - if (tagType == icSigLut8Type && csig == icSigLabData) { - csig = icmSigLab8Data; - } - if (csig == icSigLabData) { - if (tagType == icSigLut16Type) /* Lut16 retains legacy encoding */ - csig = icmSigLabV2Data; - else { /* Other tag types use version specific encoding */ - if (icp->ver) - csig = icmSigLabV4Data; - else - csig = icmSigLabV2Data; - } - } - - for (i = 0; colnormtable[i].csig != icMaxEnumData; i++) { - if (colnormtable[i].csig == csig) - break; /* Found it */ - } - if (colnormtable[i].csig == icMaxEnumData) { /* Oops */ - *nfunc = NULL; - return 1; - } - - if (flag == icmFromLuti || flag == icmFromLutv) { /* Table index/value decoding functions */ - *nfunc = colnormtable[i].fromLut; - return 0; - } else if (flag == icmToLuti || flag == icmToLutv) { /* Table index/value encoding functions */ - *nfunc = colnormtable[i].toLut; - return 0; - } - *nfunc = NULL; - return 1; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Colorspace ranges - used instead of norm/denorm by Mono, Matrix and */ -/* override PCS */ - -/* Function table - match ranges to color spaces. */ -/* Anything not here, we don't know how to convert. */ -/* (ie. YCbCr) */ -/* Hmm. we're not handling Lab8 properly ?? ~~~8888 */ -static struct { - icColorSpaceSignature csig; - int same; /* Non zero if first entry applies to all channels */ - double min[3]; /* Minimum value for this colorspace */ - double max[3]; /* Maximum value for this colorspace */ -} colorrangetable[] = { - {icSigXYZData, 1, { 0.0 } , { 1.0 + 32767.0/32768.0 } }, - {icmSigLab8Data, 0, { 0.0, -128.0, -128.0 }, { 100.0, 127.0, 127.0 } }, - {icmSigLabV2Data, 0, { 0.0, -128.0, -128.0 }, - { 100.0 + 25500.0/65280.0, 127.0 + 255.0/256.0, 127.0 + 255.0/256.0 } }, - {icmSigLabV4Data, 0, { 0.0, -128.0, -128.0 }, { 100.0, 127.0, 127.0 } }, - {icmSigYData, 1, { 0.0 }, { 1.0 + 32767.0/32768.0 } }, - {icmSigL8Data, 1, { 0.0 }, { 100.0 } }, - {icmSigLV2Data, 1, { 0.0 }, { 100.0 + 25500.0/65280.0 } }, - {icmSigLV4Data, 1, { 0.0 }, { 100.0 } }, - {icSigLuvData, 0, { 0.0, -128.0, -128.0 }, - { 100.0, 127.0 + 255.0/256.0, 127.0 + 255.0/256.0 } }, - {icSigYCbCrData, 1, { 0.0 }, { 1.0 } }, /* ??? */ - {icSigYxyData, 1, { 0.0 }, { 1.0 } }, /* ??? */ - {icSigRgbData, 1, { 0.0 }, { 1.0 } }, - {icSigGrayData, 1, { 0.0 }, { 1.0 } }, - {icSigHsvData, 1, { 0.0 }, { 1.0 } }, - {icSigHlsData, 1, { 0.0 }, { 1.0 } }, - {icSigCmykData, 1, { 0.0 }, { 1.0 } }, - {icSigCmyData, 1, { 0.0 }, { 1.0 } }, - {icSigMch6Data, 1, { 0.0 }, { 1.0 } }, - {icSig2colorData, 1, { 0.0 }, { 1.0 } }, - {icSig3colorData, 1, { 0.0 }, { 1.0 } }, - {icSig4colorData, 1, { 0.0 }, { 1.0 } }, - {icSig5colorData, 1, { 0.0 }, { 1.0 } }, - {icSig6colorData, 1, { 0.0 }, { 1.0 } }, - {icSig7colorData, 1, { 0.0 }, { 1.0 } }, - {icSig8colorData, 1, { 0.0 }, { 1.0 } }, - {icSigMch5Data, 1, { 0.0 }, { 1.0 } }, - {icSigMch6Data, 1, { 0.0 }, { 1.0 } }, - {icSigMch7Data, 1, { 0.0 }, { 1.0 } }, - {icSigMch8Data, 1, { 0.0 }, { 1.0 } }, - {icSig9colorData, 1, { 0.0 }, { 1.0 } }, - {icSig10colorData, 1, { 0.0 }, { 1.0 } }, - {icSig11colorData, 1, { 0.0 }, { 1.0 } }, - {icSig12colorData, 1, { 0.0 }, { 1.0 } }, - {icSig13colorData, 1, { 0.0 }, { 1.0 } }, - {icSig14colorData, 1, { 0.0 }, { 1.0 } }, - {icSig15colorData, 1, { 0.0 }, { 1.0 } }, - {icMaxEnumData, 1, { 0.0 }, { 1.0 } } -}; - -/* Find appropriate typical encoding ranges for a */ -/* colorspace given the color space. */ -/* Return 0 on success, 1 on match failure */ -static int getRange( - icc *icp, -// icProfileClassSignature psig, /* Profile signature to use */ - icColorSpaceSignature csig, /* Colorspace to use. */ -// int lutin, /* 0 if this is for a icSigLut16Type input, nz for output */ -// icTagSignature tagSig, /* Tag signature involved (AtoB or B2A etc.) */ - icTagTypeSignature tagType, /* icSigLut8Type or icSigLut16Type or V4 lut */ - double *min, double *max /* Return range values */ -) { - int i, e, ee; - - if (tagType == icSigLut8Type && csig == icSigLabData) { - csig = icmSigLab8Data; - } - if (csig == icSigLabData) { - if (tagType == icSigLut16Type) /* Lut16 retains legacy encoding */ - csig = icmSigLabV2Data; - else { /* Other tag types use version specific encoding */ - if (icp->ver) - csig = icmSigLabV4Data; - else - csig = icmSigLabV2Data; - } - } - - for (i = 0; colorrangetable[i].csig != icMaxEnumData; i++) { - if (colorrangetable[i].csig == csig) - break; /* Found it */ - } - if (colorrangetable[i].csig == icMaxEnumData) { /* Oops */ - return 1; - } - ee = number_ColorSpaceSignature(csig); /* Get number of components */ - - if (colorrangetable[i].same) { /* All channels are the same */ - for (e = 0; e < ee; e++) { - if (min != NULL) - min[e] = colorrangetable[i].min[0]; - if (max != NULL) - max[e] = colorrangetable[i].max[0]; - } - } else { - for (e = 0; e < ee; e++) { - if (min != NULL) - min[e] = colorrangetable[i].min[e]; - if (max != NULL) - max[e] = colorrangetable[i].max[e]; - } - } - return 0; -} - -/* ============================================= */ -/* Misc. support functions. */ - -/* Clamp a 3 vector to be +ve */ -void icmClamp3(double out[3], double in[3]) { - int i; - for (i = 0; i < 3; i++) - out[i] = in[i] < 0.0 ? 0.0 : in[i]; -} - -/* Add two 3 vectors */ -void icmAdd3(double out[3], double in1[3], double in2[3]) { - out[0] = in1[0] + in2[0]; - out[1] = in1[1] + in2[1]; - out[2] = in1[2] + in2[2]; -} - -/* Subtract two 3 vectors, out = in1 - in2 */ -void icmSub3(double out[3], double in1[3], double in2[3]) { - out[0] = in1[0] - in2[0]; - out[1] = in1[1] - in2[1]; - out[2] = in1[2] - in2[2]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Set a 3x3 matrix to unity */ -void icmSetUnity3x3(double mat[3][3]) { - int i, j; - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) { - if (i == j) - mat[j][i] = 1.0; - else - mat[j][i] = 0.0; - } - } - -} - -/* Copy a 3x3 transform matrix */ -void icmCpy3x3(double dst[3][3], double src[3][3]) { - int i, j; - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) - dst[j][i] = src[j][i]; - } -} - -/* Scale each element of a 3x3 transform matrix */ -void icmScale3x3(double dst[3][3], double src[3][3], double scale) { - int i, j; - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) - dst[j][i] = src[j][i] * scale; - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* - - mat in out - -[ ] [] [] -[ ] * [] => [] -[ ] [] [] - - */ - -/* Multiply 3 array by 3x3 transform matrix */ -void icmMulBy3x3(double out[3], double mat[3][3], double in[3]) { - double tt[3]; - - tt[0] = mat[0][0] * in[0] + mat[0][1] * in[1] + mat[0][2] * in[2]; - tt[1] = mat[1][0] * in[0] + mat[1][1] * in[1] + mat[1][2] * in[2]; - tt[2] = mat[2][0] * in[0] + mat[2][1] * in[1] + mat[2][2] * in[2]; - - out[0] = tt[0]; - out[1] = tt[1]; - out[2] = tt[2]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Add one 3x3 to another */ -/* dst = src1 + src2 */ -void icmAdd3x3(double dst[3][3], double src1[3][3], double src2[3][3]) { - int i, j; - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) - dst[j][i] = src1[j][i] + src2[j][i]; - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Tensor product. Multiply two 3 vectors to form a 3x3 matrix */ -/* src1[] forms the colums, and src2[] forms the rows in the result */ -void icmTensMul3(double dst[3][3], double src1[3], double src2[3]) { - int i, j; - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) - dst[j][i] = src1[j] * src2[i]; - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Multiply one 3x3 with another */ -/* dst = src * dst */ -void icmMul3x3(double dst[3][3], double src[3][3]) { - int i, j, k; - double td[3][3]; /* Temporary dest */ - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) { - double tt = 0.0; - for (k = 0; k < 3; k++) - tt += src[j][k] * dst[k][i]; - td[j][i] = tt; - } - } - - /* Copy result out */ - for (j = 0; j < 3; j++) - for (i = 0; i < 3; i++) - dst[j][i] = td[j][i]; -} - -/* Multiply one 3x3 with another #2 */ -/* dst = src1 * src2 */ -void icmMul3x3_2(double dst[3][3], double src1[3][3], double src2[3][3]) { - int i, j, k; - double td[3][3]; /* Temporary dest */ - - for (j = 0; j < 3; j++) { - for (i = 0; i < 3; i++) { - double tt = 0.0; - for (k = 0; k < 3; k++) - tt += src1[j][k] * src2[k][i]; - td[j][i] = tt; - } - } - - /* Copy result out */ - for (j = 0; j < 3; j++) - for (i = 0; i < 3; i++) - dst[j][i] = td[j][i]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* - Matrix Inversion - by Richard Carling - from "Graphics Gems", Academic Press, 1990 -*/ - -/* - * adjoint( original_matrix, inverse_matrix ) - * - * calculate the adjoint of a 3x3 matrix - * - * Let a denote the minor determinant of matrix A obtained by - * ij - * - * deleting the ith row and jth column from A. - * - * i+j - * Let b = (-1) a - * ij ji - * - * The matrix B = (b ) is the adjoint of A - * ij - */ - -#define det2x2(a, b, c, d) (a * d - b * c) - -static void adjoint( -double out[3][3], -double in[3][3] -) { - double a1, a2, a3, b1, b2, b3, c1, c2, c3; - - /* assign to individual variable names to aid */ - /* selecting correct values */ - - a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2]; - a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2]; - a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2]; - - /* row column labeling reversed since we transpose rows & columns */ - - out[0][0] = det2x2(b2, b3, c2, c3); - out[1][0] = - det2x2(a2, a3, c2, c3); - out[2][0] = det2x2(a2, a3, b2, b3); - - out[0][1] = - det2x2(b1, b3, c1, c3); - out[1][1] = det2x2(a1, a3, c1, c3); - out[2][1] = - det2x2(a1, a3, b1, b3); - - out[0][2] = det2x2(b1, b2, c1, c2); - out[1][2] = - det2x2(a1, a2, c1, c2); - out[2][2] = det2x2(a1, a2, b1, b2); -} - -/* - * double = icmDet3x3( a1, a2, a3, b1, b2, b3, c1, c2, c3 ) - * - * calculate the determinant of a 3x3 matrix - * in the form - * - * | a1, b1, c1 | - * | a2, b2, c2 | - * | a3, b3, c3 | - */ - -double icmDet3x3(double in[3][3]) { - double a1, a2, a3, b1, b2, b3, c1, c2, c3; - double ans; - - a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2]; - a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2]; - a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2]; - - ans = a1 * det2x2(b2, b3, c2, c3) - - b1 * det2x2(a2, a3, c2, c3) - + c1 * det2x2(a2, a3, b2, b3); - return ans; -} - -#define ICM_SMALL_NUMBER 1.e-8 -/* - * inverse( original_matrix, inverse_matrix ) - * - * calculate the inverse of a 4x4 matrix - * - * -1 - * A = ___1__ adjoint A - * det A - */ - -/* Return non-zero if not invertable */ -int icmInverse3x3( -double out[3][3], -double in[3][3] -) { - int i, j; - double det; - - /* calculate the 3x3 determinant - * if the determinant is zero, - * then the inverse matrix is not unique. - */ - det = icmDet3x3(in); - - if ( fabs(det) < ICM_SMALL_NUMBER) - return 1; - - /* calculate the adjoint matrix */ - adjoint(out, in); - - /* scale the adjoint matrix to get the inverse */ - for (i = 0; i < 3; i++) - for(j = 0; j < 3; j++) - out[i][j] /= det; - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Transpose a 3x3 matrix */ -void icmTranspose3x3(double out[3][3], double in[3][3]) { - int i, j; - if (out != in) { - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - out[i][j] = in[j][i]; - } else { - double tt[3][3]; - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - tt[i][j] = in[j][i]; - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - out[i][j] = tt[i][j]; - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Compute the dot product of two 3 vectors */ -double icmDot3(double in1[3], double in2[3]) { - return in1[0] * in2[0] + in1[1] * in2[1] + in1[2] * in2[2]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Compute the cross product of two 3D vectors, out = in1 x in2 */ -void icmCross3(double out[3], double in1[3], double in2[3]) { - double tt[3]; - tt[0] = (in1[1] * in2[2]) - (in1[2] * in2[1]); - tt[1] = (in1[2] * in2[0]) - (in1[0] * in2[2]); - tt[2] = (in1[0] * in2[1]) - (in1[1] * in2[0]); - out[0] = tt[0]; - out[1] = tt[1]; - out[2] = tt[2]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Compute the norm (length) squared of a 3 vector */ -double icmNorm3sq(double in[3]) { - return in[0] * in[0] + in[1] * in[1] + in[2] * in[2]; -} - -/* Compute the norm (length) of a 3 vector */ -double icmNorm3(double in[3]) { - return sqrt(in[0] * in[0] + in[1] * in[1] + in[2] * in[2]); -} - -/* Scale a 3 vector by the given ratio */ -void icmScale3(double out[3], double in[3], double rat) { - out[0] = in[0] * rat; - out[1] = in[1] * rat; - out[2] = in[2] * rat; -} - -/* Compute a blend between in0 and in1 */ -void icmBlend3(double out[3], double in0[3], double in1[3], double bf) { - out[0] = (1.0 - bf) * in0[0] + bf * in1[0]; - out[1] = (1.0 - bf) * in0[1] + bf * in1[1]; - out[2] = (1.0 - bf) * in0[2] + bf * in1[2]; -} - -/* Normalise a 3 vector to the given length. Return nz if not normalisable */ -int icmNormalize3(double out[3], double in[3], double len) { - double tt = sqrt(in[0] * in[0] + in[1] * in[1] + in[2] * in[2]); - - if (tt < ICM_SMALL_NUMBER) - return 1; - tt = len/tt; - out[0] = in[0] * tt; - out[1] = in[1] * tt; - out[2] = in[2] * tt; - return 0; -} - -/* Compute the norm (length) squared of a vector define by two points */ -double icmNorm33sq(double in1[3], double in0[3]) { - int j; - double rv; - for (rv = 0.0, j = 0; j < 3; j++) { - double tt = in1[j] - in0[j]; - rv += tt * tt; - } - return rv; -} - -/* Compute the norm (length) of a vector define by two points */ -double icmNorm33(double in1[3], double in0[3]) { - int j; - double rv; - for (rv = 0.0, j = 0; j < 3; j++) { - double tt = in1[j] - in0[j]; - rv += tt * tt; - } - return sqrt(rv); -} - -/* Scale a two point vector by the given ratio. in0[] is the origin */ -void icmScale33(double out[3], double in1[3], double in0[3], double rat) { - out[0] = in0[0] + (in1[0] - in0[0]) * rat; - out[1] = in0[1] + (in1[1] - in0[1]) * rat; - out[2] = in0[2] + (in1[2] - in0[2]) * rat; -} - -/* Normalise a two point vector to the given length. */ -/* The new location of in1[] is returned in out[]. */ -/* Return nz if not normalisable */ -int icmNormalize33(double out[3], double in1[3], double in0[3], double len) { - int j; - double vl; - - for (vl = 0.0, j = 0; j < 3; j++) { - double tt = in1[j] - in0[j]; - vl += tt * tt; - } - vl = sqrt(vl); - if (vl < ICM_SMALL_NUMBER) - return 1; - - vl = len/vl; - for (j = 0; j < 3; j++) { - out[j] = in0[j] + (in1[j] - in0[j]) * vl; - } - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Given two 3D points, create a matrix that rotates */ -/* and scales one onto the other about the origin 0,0,0. */ -/* The maths is from page 52 of Tomas Moller and Eric Haines "Real-Time Rendering". */ -/* s is source vector, t is target vector. */ -/* Usage of icmRotMat: */ -/* t[0] == mat[0][0] * s[0] + mat[0][1] * s[1] + mat[0][2] * s[2]; */ -/* t[1] == mat[1][0] * s[0] + mat[1][1] * s[1] + mat[1][2] * s[2]; */ -/* t[2] == mat[2][0] * s[0] + mat[2][1] * s[1] + mat[2][2] * s[2]; */ -/* i.e. use icmMulBy3x3 */ -void icmRotMat(double m[3][3], double s[3], double t[3]) { - double sl, tl, sn[3], tn[3]; - double v[3]; /* Cross product */ - double e; /* Dot product */ - double h; /* 1-e/Cross product dot squared */ - - /* Normalise input vectors */ - /* The rotation will be about 0,0,0 */ - sl = sqrt(s[0] * s[0] + s[1] * s[1] + s[2] * s[2]); - tl = sqrt(t[0] * t[0] + t[1] * t[1] + t[2] * t[2]); - - if (sl < 1e-12 || tl < 1e-12) { /* Hmm. Do nothing */ - m[0][0] = 1.0; - m[0][1] = 0.0; - m[0][2] = 0.0; - m[1][0] = 0.0; - m[1][1] = 1.0; - m[1][2] = 0.0; - m[2][0] = 0.0; - m[2][1] = 0.0; - m[2][2] = 1.0; - return; - } - - sn[0] = s[0]/sl; sn[1] = s[1]/sl; sn[2] = s[2]/sl; - tn[0] = t[0]/tl; tn[1] = t[1]/tl; tn[2] = t[2]/tl; - - /* Compute the cross product */ - v[0] = (sn[1] * tn[2]) - (sn[2] * tn[1]); - v[1] = (sn[2] * tn[0]) - (sn[0] * tn[2]); - v[2] = (sn[0] * tn[1]) - (sn[1] * tn[0]); - - /* Compute the dot product */ - e = sn[0] * tn[0] + sn[1] * tn[1] + sn[2] * tn[2]; - - /* Cross product dot squared */ - h = v[0] * v[0] + v[1] * v[1] + v[2] * v[2]; - - /* If the two input vectors are close to being parallel, */ - /* then h will be close to zero. */ - if (fabs(h) < 1e-12) { - m[0][0] = tl/sl; - m[0][1] = 0.0; - m[0][2] = 0.0; - m[1][0] = 0.0; - m[1][1] = tl/sl; - m[1][2] = 0.0; - m[2][0] = 0.0; - m[2][1] = 0.0; - m[2][2] = tl/sl; - } else { - /* 1-e/Cross product dot squared */ - h = (1.0 - e) / h; - - m[0][0] = tl/sl * (e + h * v[0] * v[0]); - m[0][1] = tl/sl * (h * v[0] * v[1] - v[2]); - m[0][2] = tl/sl * (h * v[0] * v[2] + v[1]); - m[1][0] = tl/sl * (h * v[0] * v[1] + v[2]); - m[1][1] = tl/sl * (e + h * v[1] * v[1]); - m[1][2] = tl/sl * (h * v[1] * v[2] - v[0]); - m[2][0] = tl/sl * (h * v[0] * v[2] - v[1]); - m[2][1] = tl/sl * (h * v[1] * v[2] + v[0]); - m[2][2] = tl/sl * (e + h * v[2] * v[2]); - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Multiply 2 array by 2x2 transform matrix */ -void icmMulBy2x2(double out[2], double mat[2][2], double in[2]) { - double tt[2]; - - tt[0] = mat[0][0] * in[0] + mat[0][1] * in[1]; - tt[1] = mat[1][0] * in[0] + mat[1][1] * in[1]; - - out[0] = tt[0]; - out[1] = tt[1]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Copy a 3x4 transform matrix */ -void icmCpy3x4(double dst[3][4], double src[3][4]) { - int i, j; - - for (j = 0; j < 3; j++) { - for (i = 0; i < 4; i++) - dst[j][i] = src[j][i]; - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Multiply 3 array by 3x4 transform matrix */ -void icmMul3By3x4(double out[3], double mat[3][4], double in[3]) { - double tt[3]; - - tt[0] = mat[0][0] * in[0] + mat[0][1] * in[1] + mat[0][2] * in[2] + mat[0][3]; - tt[1] = mat[1][0] * in[0] + mat[1][1] * in[1] + mat[1][2] * in[2] + mat[1][3]; - tt[2] = mat[2][0] * in[0] + mat[2][1] * in[1] + mat[2][2] * in[2] + mat[2][3]; - - out[0] = tt[0]; - out[1] = tt[1]; - out[2] = tt[2]; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Given two 3D vectors, create a matrix that translates, */ -/* rotates and scales one onto the other. */ -/* The maths is from page 52 of Tomas Moller and Eric Haines */ -/* "Real-Time Rendering". */ -/* s0 -> s1 is source vector, t0 -> t1 is target vector. */ -/* Usage of icmRotMat: */ -/* t[0] == mat[0][0] * s[0] + mat[0][1] * s[1] + mat[0][2] * s[2] + mat[0][3]; */ -/* t[1] == mat[1][0] * s[0] + mat[1][1] * s[1] + mat[1][2] * s[2] + mat[1][3]; */ -/* t[2] == mat[2][0] * s[0] + mat[2][1] * s[1] + mat[2][2] * s[2] + mat[2][3]; */ -/* i.e. use icmMul3By3x4 */ -void icmVecRotMat(double m[3][4], double s1[3], double s0[3], double t1[3], double t0[3]) { - int i, j; - double ss[3], tt[3], rr[3][3]; - - /* Create the rotation matrix: */ - for (i = 0; i < 3; i++) { - ss[i] = s1[i] - s0[i]; - tt[i] = t1[i] - t0[i]; - } - icmRotMat(rr, ss, tt); - - /* Create rotated version of s0: */ - icmMulBy3x3(ss, rr, s0); - - /* Create 4x4 matrix */ - for (j = 0; j < 3; j++) { - for (i = 0; i < 4; i++) { - if (i < 3 && j < 3) - m[j][i] = rr[j][i]; - else if (i == 3 && j < 3) - m[j][i] = t0[j] - ss[j]; - else if (i == j) - m[j][i] = 1.0; - else - m[j][i] = 0.0; - } - } -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Compute the 3D intersection of a vector and a plane */ -/* return nz if there is no intersection */ -int icmVecPlaneIsect( -double isect[3], /* return intersection point */ -double pl_const, /* Plane equation constant */ -double pl_norm[3], /* Plane normal vector */ -double ve_1[3], /* Point on line */ -double ve_0[3] /* Second point on line */ -) { - double den; /* denominator */ - double rv; /* Vector parameter value */ - double vvec[3]; /* Vector vector */ - double ival[3]; /* Intersection value */ - - /* Compute vector between the two points */ - vvec[0] = ve_1[0] - ve_0[0]; - vvec[1] = ve_1[1] - ve_0[1]; - vvec[2] = ve_1[2] - ve_0[2]; - - /* Compute the denominator */ - den = pl_norm[0] * vvec[0] + pl_norm[1] * vvec[1] + pl_norm[2] * vvec[2]; - - /* Too small to intersect ? */ - if (fabs(den) < 1e-12) { - return 1; - } - - /* Compute the parameterized intersction point */ - rv = -(pl_norm[0] * ve_0[0] + pl_norm[1] * ve_0[1] + pl_norm[2] * ve_0[2] + pl_const)/den; - - /* Compute the actual intersection point */ - isect[0] = ve_0[0] + rv * vvec[0]; - isect[1] = ve_0[1] + rv * vvec[1]; - isect[2] = ve_0[2] + rv * vvec[2]; - - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Compute the closest points between two lines a and b. */ -/* Return closest points and parameter values if not NULL. */ -/* Return nz if they are paralel. */ -/* The maths is from page 338 of Tomas Moller and Eric Haines "Real-Time Rendering". */ -int icmLineLineClosest(double ca[3], double cb[3], double *pa, double * pb, - double la0[3], double la1[3], double lb0[3], double lb1[3]) { - double va[3], vb[3]; - double vvab[3], vvabns; /* Cross product of va and vb and its norm squared */ - double vba0[3]; /* lb0 - la0 */ - double tt[3]; - double a, b; /* Parameter values */ - - icmSub3(va, la1, la0); - icmSub3(vb, lb1, lb0); - icmCross3(vvab, va, vb); - vvabns = icmNorm3sq(vvab); - - if (vvabns < 1e-12) - return 1; - - icmSub3(vba0, lb0, la0); - icmCross3(tt, vba0, vb); - a = icmDot3(tt, vvab) / vvabns; - - icmCross3(tt, vba0, va); - b = icmDot3(tt, vvab) / vvabns; - - if (pa != NULL) - *pa = a; - - if (pb != NULL) - *pb = b; - - if (ca != NULL) { - ca[0] = la0[0] + a * va[0]; - ca[1] = la0[1] + a * va[1]; - ca[2] = la0[2] + a * va[2]; - } - - if (cb != NULL) { - cb[0] = lb0[0] + b * vb[0]; - cb[1] = lb0[1] + b * vb[1]; - cb[2] = lb0[2] + b * vb[2]; - } - -#ifdef NEVER /* Verify */ - { - double vab[3]; /* Vector from ca to cb */ - - vab[0] = lb0[0] + b * vb[0] - la0[0] - a * va[0]; - vab[1] = lb0[1] + b * vb[1] - la0[1] - a * va[1]; - vab[2] = lb0[2] + b * vb[2] - la0[2] - a * va[2]; - - if (icmDot3(va, vab) > 1e-6 - || icmDot3(vb, vab) > 1e-6) - warning("icmLineLineClosest verify failed\n"); - } -#endif - - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Given 3 3D points, compute a plane equation. */ -/* The normal will be right handed given the order of the points */ -/* The plane equation will be the 3 normal components and the constant. */ -/* Return nz if any points are cooincident or co-linear */ -int icmPlaneEqn3(double eq[4], double p0[3], double p1[3], double p2[3]) { - double ll, v1[3], v2[3]; - - /* Compute vectors along edges */ - v2[0] = p1[0] - p0[0]; - v2[1] = p1[1] - p0[1]; - v2[2] = p1[2] - p0[2]; - - v1[0] = p2[0] - p0[0]; - v1[1] = p2[1] - p0[1]; - v1[2] = p2[2] - p0[2]; - - /* Compute cross products v1 x v2, which will be the normal */ - eq[0] = v1[1] * v2[2] - v1[2] * v2[1]; - eq[1] = v1[2] * v2[0] - v1[0] * v2[2]; - eq[2] = v1[0] * v2[1] - v1[1] * v2[0]; - - /* Normalise the equation */ - ll = sqrt(eq[0] * eq[0] + eq[1] * eq[1] + eq[2] * eq[2]); - if (ll < 1e-10) { - return 1; - } - eq[0] /= ll; - eq[1] /= ll; - eq[2] /= ll; - - /* Compute the plane equation constant */ - eq[3] = - (eq[0] * p0[0]) - - (eq[1] * p0[1]) - - (eq[2] * p0[2]); - - return 0; -} - -/* Given a 3D point and a plane equation, return the signed */ -/* distance from the plane */ -double icmPlaneDist3(double eq[4], double p[3]) { - double rv; - - rv = eq[0] * p[0] - + eq[1] * p[1] - + eq[2] * p[2] - + eq[3]; - - return rv; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* CIE Y (range 0 .. 1) to perceptual CIE 1976 L* (range 0 .. 100) */ -double -icmY2L(double val) { - if (val > 0.008856451586) - val = pow(val,1.0/3.0); - else - val = 7.787036979 * val + 16.0/116.0; - - val = (116.0 * val - 16.0); - return val; -} - -/* Perceptual CIE 1976 L* (range 0 .. 100) to CIE Y (range 0 .. 1) */ -double -icmL2Y(double val) { - val = (val + 16.0)/116.0; - - if (val > 24.0/116.0) - val = pow(val,3.0); - else - val = (val - 16.0/116.0)/7.787036979; - return val; -} - -/* CIE XYZ to perceptual CIE 1976 L*a*b* */ -void -icmXYZ2Lab(icmXYZNumber *w, double *out, double *in) { - double X = in[0], Y = in[1], Z = in[2]; - double x,y,z,fx,fy,fz; - - x = X/w->X; - y = Y/w->Y; - z = Z/w->Z; - - if (x > 0.008856451586) - fx = pow(x,1.0/3.0); - else - fx = 7.787036979 * x + 16.0/116.0; - - if (y > 0.008856451586) - fy = pow(y,1.0/3.0); - else - fy = 7.787036979 * y + 16.0/116.0; - - if (z > 0.008856451586) - fz = pow(z,1.0/3.0); - else - fz = 7.787036979 * z + 16.0/116.0; - - out[0] = 116.0 * fy - 16.0; - out[1] = 500.0 * (fx - fy); - out[2] = 200.0 * (fy - fz); -} - -/* Perceptual CIE 1976 L*a*b* to CIE XYZ */ -void -icmLab2XYZ(icmXYZNumber *w, double *out, double *in) { - double L = in[0], a = in[1], b = in[2]; - double x,y,z,fx,fy,fz; - - fy = (L + 16.0)/116.0; - fx = a/500.0 + fy; - fz = fy - b/200.0; - - if (fy > 24.0/116.0) - y = pow(fy,3.0); - else - y = (fy - 16.0/116.0)/7.787036979; - - if (fx > 24.0/116.0) - x = pow(fx,3.0); - else - x = (fx - 16.0/116.0)/7.787036979; - - if (fz > 24.0/116.0) - z = pow(fz,3.0); - else - z = (fz - 16.0/116.0)/7.787036979; - - out[0] = x * w->X; - out[1] = y * w->Y; - out[2] = z * w->Z; -} - - -/* LCh to Lab */ -void icmLCh2Lab(double *out, double *in) { - double C, h; - - C = in[1]; - h = 3.14159265359/180.0 * in[2]; - - out[0] = in[0]; - out[1] = C * cos(h); - out[2] = C * sin(h); -} - -/* Lab to LCh */ -void icmLab2LCh(double *out, double *in) { - double C, h; - - C = sqrt(in[1] * in[1] + in[2] * in[2]); - - h = (180.0/3.14159265359) * atan2(in[2], in[1]); - h = (h < 0.0) ? h + 360.0 : h; - - out[0] = in[0]; - out[1] = C; - out[2] = h; -} - -/* XYZ to Yxy */ -extern ICCLIB_API void icmXYZ2Yxy(double *out, double *in) { - double sum = in[0] + in[1] + in[2]; - double Y, x, y; - - if (sum < 1e-9) { - Y = 0.0; - y = 0.333333333; - x = 0.333333333; - } else { - Y = in[1]; - x = in[0]/sum; - y = in[1]/sum; - } - out[0] = Y; - out[1] = x; - out[2] = y; -} - -/* Yxy to XYZ */ -extern ICCLIB_API void icmYxy2XYZ(double *out, double *in) { - double Y = in[0]; - double x = in[1]; - double y = in[2]; - double z = 1.0 - x - y; - double sum; - if (y < 1e-9) { - out[0] = out[1] = out[2] = 0.0; - } else { - sum = Y/y; - out[0] = x * sum; - out[1] = Y; - out[2] = z * sum; - } -} - - -/* CIE XYZ to perceptual CIE 1976 L*u*v* */ -extern ICCLIB_API void icmXYZ2Luv(icmXYZNumber *w, double *out, double *in) { - double X = in[0], Y = in[1], Z = in[2]; - double un, vn, u, v, fl, fu, fv; - - un = (4.0 * w->X) / (w->X + 15.0 * w->Y + 3.0 * w->Z); - vn = (9.0 * w->Y) / (w->X + 15.0 * w->Y + 3.0 * w->Z); - u = (4.0 * X) / (X + 15.0 * Y + 3.0 * Z); - v = (9.0 * Y) / (X + 15.0 * Y + 3.0 * Z); - - Y /= w->Y; - - if (Y > 0.008856451586) - fl = pow(Y,1.0/3.0); - else - fl = 7.787036979 * Y + 16.0/116.0; - - fu = u - un; - fv = v - vn; - - out[0] = 116.0 * fl - 16.0; - out[1] = 13.0 * out[0] * fu; - out[2] = 13.0 * out[0] * fv; -} - -/* Perceptual CIE 1976 L*u*v* to CIE XYZ */ -extern ICCLIB_API void icmLuv2XYZ(icmXYZNumber *w, double *out, double *in) { - double un, vn, u, v, fl, fu, fv, sum, X, Y, Z; - - fl = (in[0] + 16.0)/116.0; - fu = in[1] / (13.0 * in[0]); - fv = in[2] / (13.0 * in[0]); - - un = (4.0 * w->X) / (w->X + 15.0 * w->Y + 3.0 * w->Z); - vn = (9.0 * w->Y) / (w->X + 15.0 * w->Y + 3.0 * w->Z); - - u = fu + un; - v = fv + vn; - - if (fl > 24.0/116.0) - Y = pow(fl,3.0); - else - Y = (fl - 16.0/116.0)/7.787036979; - Y *= w->Y; - - sum = (9.0 * Y)/v; - X = (u * sum)/4.0; - Z = (sum - X - 15.0 * Y)/3.0; - - out[0] = X; - out[1] = Y; - out[2] = Z; -} - -/* NOTE :- none of the following seven have been protected */ -/* against arithmmetic issues (ie. for black) */ - -/* CIE XYZ to perceptual CIE 1976 UCS diagram Yu'v'*/ -/* (Yu'v' is a better chromaticity space than Yxy) */ -extern ICCLIB_API void icmXYZ21976UCS(double *out, double *in) { - double X = in[0], Y = in[1], Z = in[2]; - double den, u, v; - - den = (X + 15.0 * Y + 3.0 * Z); - u = (4.0 * X) / den; - v = (9.0 * Y) / den; - - out[0] = Y; - out[1] = u; - out[2] = v; -} - -/* Perceptual CIE 1976 UCS diagram Yu'v' to CIE XYZ */ -extern ICCLIB_API void icm1976UCS2XYZ(double *out, double *in) { - double u, v, fl, fu, fv, sum, X, Y, Z; - - Y = in[0]; - u = in[1]; - v = in[2]; - - X = ((9.0 * u * Y)/(4.0 * v)); - Z = -(((20.0 * v + 3.0 * u - 12.0) * Y)/(4.0 * v)); - - out[0] = X; - out[1] = Y; - out[2] = Z; -} - -/* CIE XYZ to perceptual CIE 1960 UCS */ -/* (This was obsoleted by the 1976UCS, but is still used */ -/* in computing color temperatures.) */ -extern ICCLIB_API void icmXYZ21960UCS(double *out, double *in) { - double X = in[0], Y = in[1], Z = in[2]; - double u, v; - - u = (4.0 * X) / (X + 15.0 * Y + 3.0 * Z); - v = (6.0 * Y) / (X + 15.0 * Y + 3.0 * Z); - - out[0] = Y; - out[1] = u; - out[2] = v; -} - -/* Perceptual CIE 1960 UCS to CIE XYZ */ -extern ICCLIB_API void icm1960UCS2XYZ(double *out, double *in) { - double u, v, fl, fu, fv, sum, X, Y, Z; - - Y = in[0]; - u = in[1]; - v = in[2]; - - X = ((3.0 * u * Y)/(2.0 * v)); - Z = -(((10.0 * v + u - 4.0) * Y)/(2.0 * v)); - - out[0] = X; - out[1] = Y; - out[2] = Z; -} - -/* CIE XYZ to perceptual CIE 1964 WUV (U*V*W*) */ -/* (This is obsolete but still used in computing CRI) */ -extern ICCLIB_API void icmXYZ21964WUV(icmXYZNumber *w, double *out, double *in) { - double W, U, V; - double wucs[3]; - double iucs[3]; - - icmXYZ2Ary(wucs, *w); - icmXYZ21960UCS(wucs, wucs); - icmXYZ21960UCS(iucs, in); - - W = 25.0 * pow(iucs[0] * 100.0/wucs[0], 1.0/3.0) - 17.0; - U = 13.0 * W * (iucs[1] - wucs[1]); - V = 13.0 * W * (iucs[2] - wucs[2]); - - out[0] = W; - out[1] = U; - out[2] = V; -} - -/* Perceptual CIE 1964 WUV (U*V*W*) to CIE XYZ */ -extern ICCLIB_API void icm1964WUV2XYZ(icmXYZNumber *w, double *out, double *in) { - double W, U, V; - double wucs[3]; - double iucs[3]; - - icmXYZ2Ary(wucs, *w); - icmXYZ21960UCS(wucs, wucs); - - W = in[0]; - U = in[1]; - V = in[2]; - - iucs[0] = pow((W + 17.0)/25.0, 3.0) * wucs[0]/100.0; - iucs[1] = U / (13.0 * W) + wucs[1]; - iucs[2] = V / (13.0 * W) + wucs[2]; - - icm1960UCS2XYZ(out, iucs); -} - -/* CIE CIE1960 UCS to perceptual CIE 1964 WUV (U*V*W*) */ -extern ICCLIB_API void icm1960UCS21964WUV(icmXYZNumber *w, double *out, double *in) { - double W, U, V; - double wucs[3]; - - icmXYZ2Ary(wucs, *w); - icmXYZ21960UCS(wucs, wucs); - - W = 25.0 * pow(in[0] * 100.0/wucs[0], 1.0/3.0) - 17.0; - U = 13.0 * W * (in[1] - wucs[1]); - V = 13.0 * W * (in[2] - wucs[2]); - - out[0] = W; - out[1] = U; - out[2] = V; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* available D50 Illuminant */ -icmXYZNumber icmD50 = { /* Profile illuminant - D50 */ - 0.9642, 1.0000, 0.8249 -}; - -icmXYZNumber icmD50_100 = { /* Profile illuminant - D50, scaled to 100 */ - 96.42, 100.00, 82.49 -}; - -double icmD50_ary3[3] = { /* Profile illuminant - D50 */ - 0.9642, 1.0000, 0.8249 -}; - -double icmD50_100_ary3[3] = { /* Profile illuminant - D50, scaled to 100 */ - 96.42, 100.00, 82.49 -}; - -/* available D65 Illuminant */ -icmXYZNumber icmD65 = { /* Profile illuminant - D65 */ - 0.9505, 1.0000, 1.0890 -}; - -icmXYZNumber icmD65_100 = { /* Profile illuminant - D65, scaled to 100 */ - 95.05, 100.00, 108.90 -}; - -double icmD65_ary3[3] = { /* Profile illuminant - D65 */ - 0.9505, 1.0000, 1.0890 -}; - -double icmD65_100_ary3[3] = { /* Profile illuminant - D65, scaled to 100 */ - 95.05, 100.00, 108.90 -}; - -/* Default black point */ -icmXYZNumber icmBlack = { - 0.0000, 0.0000, 0.0000 -}; - -/* Return the normal Delta E given two Lab values */ -double icmLabDE(double *Lab0, double *Lab1) { - double rv = 0.0, tt; - - tt = Lab0[0] - Lab1[0]; - rv += tt * tt; - tt = Lab0[1] - Lab1[1]; - rv += tt * tt; - tt = Lab0[2] - Lab1[2]; - rv += tt * tt; - - return sqrt(rv); -} - -/* Return the normal Delta E squared, given two Lab values */ -double icmLabDEsq(double *Lab0, double *Lab1) { - double rv = 0.0, tt; - - tt = Lab0[0] - Lab1[0]; - rv += tt * tt; - tt = Lab0[1] - Lab1[1]; - rv += tt * tt; - tt = Lab0[2] - Lab1[2]; - rv += tt * tt; - - return rv; -} - -/* Return the normal Delta E given two XYZ values */ -extern ICCLIB_API double icmXYZLabDE(icmXYZNumber *w, double *in0, double *in1) { - double lab0[3], lab1[3], rv; - - icmXYZ2Lab(w, lab0, in0); - icmXYZ2Lab(w, lab1, in1); - rv = icmLabDE(lab0, lab1); - return rv; -} - -/* (Note that CIE94 can give odd results for very large delta E's, */ -/* when one of the two points is near the neutral axis: */ -/* ie DE(A,B + del) != DE(A,B) + DE(del) */ -#ifdef NEVER -{ - double w1[3] = { 99.996101, -0.058417, -0.010557 }; - double c1[3] = { 60.267956, 98.845863, -61.163277 }; - double w2[3] = { 100.014977, -0.138339, 0.089744 }; - double c2[3] = { 60.294464, 98.117104, -60.843159 }; - - printf("DE 1 = %f, 2 = %f\n", icmLabDE(c1, w1), icmLabDE(c2, w2)); - printf("DE94 1 = %f, 2 = %f\n", icmCIE94(c1, w1), icmCIE94(c2, w2)); -} -#endif - - -/* Return the CIE94 Delta E color difference measure, squared */ -double icmCIE94sq(double Lab0[3], double Lab1[3]) { - double desq, dhsq; - double dlsq, dcsq; - double c12; - - { - double dl, da, db; - dl = Lab0[0] - Lab1[0]; - dlsq = dl * dl; /* dl squared */ - da = Lab0[1] - Lab1[1]; - db = Lab0[2] - Lab1[2]; - - /* Compute normal Lab delta E squared */ - desq = dlsq + da * da + db * db; - } - - { - double c1, c2, dc; - - /* Compute chromanance for the two colors */ - c1 = sqrt(Lab0[1] * Lab0[1] + Lab0[2] * Lab0[2]); - c2 = sqrt(Lab1[1] * Lab1[1] + Lab1[2] * Lab1[2]); - c12 = sqrt(c1 * c2); /* Symetric chromanance */ - - /* delta chromanance squared */ - dc = c2 - c1; - dcsq = dc * dc; - } - - /* Compute delta hue squared */ - if ((dhsq = desq - dlsq - dcsq) < 0.0) - dhsq = 0.0; - { - double sc, sh; - - /* Weighting factors for delta chromanance & delta hue */ - sc = 1.0 + 0.048 * c12; - sh = 1.0 + 0.014 * c12; - return dlsq + dcsq/(sc * sc) + dhsq/(sh * sh); - } -} - -/* Return the CIE94 Delta E color difference measure */ -double icmCIE94(double Lab0[3], double Lab1[3]) { - return sqrt(icmCIE94sq(Lab0, Lab1)); -} - -/* Return the CIE94 Delta E color difference measure for two XYZ values */ -extern ICCLIB_API double icmXYZCIE94(icmXYZNumber *w, double *in0, double *in1) { - double lab0[3], lab1[3]; - - icmXYZ2Lab(w, lab0, in0); - icmXYZ2Lab(w, lab1, in1); - return sqrt(icmCIE94sq(lab0, lab1)); -} - - -/* From the paper "The CIEDE2000 Color-Difference Formula: Implementation Notes, */ -/* Supplementary Test Data, and Mathematical Observations", by */ -/* Gaurav Sharma, Wencheng Wu and Edul N. Dalal, */ -/* Color Res. Appl., vol. 30, no. 1, pp. 21-30, Feb. 2005. */ - -/* Return the CIEDE2000 Delta E color difference measure squared, for two Lab values */ -double icmCIE2Ksq(double *Lab0, double *Lab1) { - double C1, C2; - double h1, h2; - double dL, dC, dH; - double dsq; - - /* The trucated value of PI is needed to ensure that the */ - /* test cases pass, as one of them lies on the edge of */ - /* a mathematical discontinuity. The precision is still */ - /* enough for any practical use. */ -#define RAD2DEG(xx) (180.0/3.14159265358979 * (xx)) -#define DEG2RAD(xx) (3.14159265358979/180.0 * (xx)) - - /* Compute Cromanance and Hue angles */ - { - double C1ab, C2ab; - double Cab, Cab7, G; - double a1, a2; - - C1ab = sqrt(Lab0[1] * Lab0[1] + Lab0[2] * Lab0[2]); - C2ab = sqrt(Lab1[1] * Lab1[1] + Lab1[2] * Lab1[2]); - Cab = 0.5 * (C1ab + C2ab); - Cab7 = pow(Cab,7.0); - G = 0.5 * (1.0 - sqrt(Cab7/(Cab7 + 6103515625.0))); - a1 = (1.0 + G) * Lab0[1]; - a2 = (1.0 + G) * Lab1[1]; - C1 = sqrt(a1 * a1 + Lab0[2] * Lab0[2]); - C2 = sqrt(a2 * a2 + Lab1[2] * Lab1[2]); - - if (C1 < 1e-9) - h1 = 0.0; - else { - h1 = RAD2DEG(atan2(Lab0[2], a1)); - if (h1 < 0.0) - h1 += 360.0; - } - - if (C2 < 1e-9) - h2 = 0.0; - else { - h2 = RAD2DEG(atan2(Lab1[2], a2)); - if (h2 < 0.0) - h2 += 360.0; - } - } - - /* Compute delta L, C and H */ - { - double dh; - - dL = Lab1[0] - Lab0[0]; - dC = C2 - C1; - if (C1 < 1e-9 || C2 < 1e-9) { - dh = 0.0; - } else { - dh = h2 - h1; - if (dh > 180.0) - dh -= 360.0; - else if (dh < -180.0) - dh += 360.0; - } - - dH = 2.0 * sqrt(C1 * C2) * sin(DEG2RAD(0.5 * dh)); - } - - { - double L, C, h, T; - double hh, ddeg; - double C7, RC, L50sq, SL, SC, SH, RT; - double dLsq, dCsq, dHsq, RCH; - - L = 0.5 * (Lab0[0] + Lab1[0]); - C = 0.5 * (C1 + C2); - if (C1 < 1e-9 || C2 < 1e-9) { - h = h1 + h2; - } else { - h = h1 + h2; - if (fabs(h1 - h2) > 180.0) { - if (h < 360.0) - h += 360.0; - else if (h >= 360.0) - h -= 360.0; - } - h *= 0.5; - } - T = 1.0 - 0.17 * cos(DEG2RAD(h-30.0)) + 0.24 * cos(DEG2RAD(2.0 * h)) - + 0.32 * cos(DEG2RAD(3.0 * h + 6.0)) - 0.2 * cos(DEG2RAD(4.0 * h - 63.0)); - hh = (h - 275.0)/25.0; - ddeg = 30.0 * exp(-hh * hh); - C7 = pow(C,7.0); - RC = 2.0 * sqrt(C7/(C7 + 6103515625.0)); - L50sq = (L - 50.0) * (L - 50.0); - SL = 1.0 + (0.015 * L50sq)/sqrt(20.0 + L50sq); - SC = 1.0 + 0.045 * C; - SH = 1.0 + 0.015 * C * T; - RT = -sin(DEG2RAD(2 * ddeg)) * RC; - - dLsq = dL/SL; - dCsq = dC/SC; - dHsq = dH/SH; - - RCH = RT * dCsq * dHsq; - - dLsq *= dLsq; - dCsq *= dCsq; - dHsq *= dHsq; - - dsq = dLsq + dCsq + dHsq + RCH; - } - - return dsq; - -#undef RAD2DEG -#undef DEG2RAD -} - -/* Return the CIE2DE000 Delta E color difference measure for two Lab values */ -double icmCIE2K(double *Lab0, double *Lab1) { - return sqrt(icmCIE2Ksq(Lab0, Lab1)); -} - -/* Return the CIEDE2000 Delta E color difference measure for two XYZ values */ -extern ICCLIB_API double icmXYZCIE2K(icmXYZNumber *w, double *in0, double *in1) { - double lab0[3], lab1[3]; - - icmXYZ2Lab(w, lab0, in0); - icmXYZ2Lab(w, lab1, in1); - return sqrt(icmCIE2Ksq(lab0, lab1)); -} - - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Chromatic adaptation transform utility */ -/* Return a 3x3 chromatic adaptation matrix */ -/* Use icmMulBy3x3(dst, mat, src) */ -void icmChromAdaptMatrix( - int flags, /* Use bradford, Transform given matrix flags */ - icmXYZNumber d_wp, /* Destination white point */ - icmXYZNumber s_wp, /* Source white point */ - double mat[3][3] /* Destination matrix */ -) { - double dst[3], src[3]; /* Source & destination white points */ - double vkmat[3][3]; /* Von Kries matrix */ -#ifdef NEVER - static double bradford[3][3] = { /* Linear cone space matrix */ - { 1.0, 0.0, 0.0 }, - { 0.0, 1.0, 0.0 }, - { 0.0, 0.0, 1.0 } - }; -#endif /* NEVER */ - static double bradford[3][3] = { /* Bradford cone space matrix */ - { 0.8951, 0.2664, -0.1614 }, - { -0.7502, 1.7135, 0.0367 }, - { 0.0389, -0.0685, 1.0296 } - }; - static int inited = 0; /* Compute inverse bradford once */ - static double ibradford[3][3]; /* Inverse Bradford */ - - /* Set initial matrix to unity */ - if (!(flags & ICM_CAM_MULMATRIX)) { - icmSetUnity3x3(mat); - } - - icmXYZ2Ary(src, s_wp); - icmXYZ2Ary(dst, d_wp); - - if (flags & ICM_CAM_BRADFORD) { - icmMulBy3x3(src, bradford, src); - icmMulBy3x3(dst, bradford, dst); - } - - /* Setup the Von Kries white point adaptation matrix */ - vkmat[0][0] = dst[0]/src[0]; - vkmat[1][1] = dst[1]/src[1]; - vkmat[2][2] = dst[2]/src[2]; - vkmat[0][1] = vkmat[0][2] = 0.0; - vkmat[1][0] = vkmat[1][2] = 0.0; - vkmat[2][0] = vkmat[2][1] = 0.0; - - /* Transform to Bradford space if requested */ - if (flags & ICM_CAM_BRADFORD) { - icmMul3x3(mat, bradford); - } - - /* Apply chromatic adaptation */ - icmMul3x3(mat, vkmat); - - /* Transform from Bradford space */ - if (flags & ICM_CAM_BRADFORD) { - if (inited == 0) { - icmInverse3x3(ibradford, bradford); - inited = 1; - } - icmMul3x3(mat, ibradford); - } - - /* We're done */ -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* RGB primaries device to RGB->XYZ transform matrix. */ -/* We assume that the device is perfectly additive, but that */ -/* there may be a scale factor applied to the channels to */ -/* match the white point at RGB = 1. */ - -/* Return non-zero if matrix would be singular */ -int icmRGBprim2matrix( - icmXYZNumber white, /* White point */ - icmXYZNumber red, /* Red colorant */ - icmXYZNumber green, /* Green colorant */ - icmXYZNumber blue, /* Blue colorant */ - double mat[3][3] /* Destination matrix */ -) { - double tmat[3][3]; - double t[3]; - - /* Assemble the colorants into a matrix */ - tmat[0][0] = red.X; - tmat[0][1] = green.X; - tmat[0][2] = blue.X; - tmat[1][0] = red.Y; - tmat[1][1] = green.Y; - tmat[1][2] = blue.Y; - tmat[2][0] = red.Z; - tmat[2][1] = green.Z; - tmat[2][2] = blue.Z; - - /* Compute the inverse */ - if (icmInverse3x3(mat, tmat)) - return 1; - - /* Compute scale vector that maps colorants to white point */ - t[0] = mat[0][0] * white.X - + mat[0][1] * white.Y - + mat[0][2] * white.Z; - t[1] = mat[1][0] * white.X - + mat[1][1] * white.Y - + mat[1][2] * white.Z; - t[2] = mat[2][0] * white.X - + mat[2][1] * white.Y - + mat[2][2] * white.Z; - - /* Now formulate the transform matrix */ - mat[0][0] = red.X * t[0]; - mat[0][1] = green.X * t[1]; - mat[0][2] = blue.X * t[2]; - mat[1][0] = red.Y * t[0]; - mat[1][1] = green.Y * t[1]; - mat[1][2] = blue.Y * t[2]; - mat[2][0] = red.Z * t[0]; - mat[2][1] = green.Z * t[1]; - mat[2][2] = blue.Z * t[2]; - - return 0; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Some PCS utility functions */ - -/* Clip Lab, while maintaining hue angle. */ -/* Return nz if clipping occured */ -int icmClipLab(double out[3], double in[3]) { - double C; - - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - - if (out[0] >= 0.0 && out[0] <= 100.0 - && out[1] >= -128.0 && out[1] <= 127.0 - && out[2] >= -128.0 && out[2] <= 127.0) - return 0; - - /* Clip L */ - if (out[0] < 0.0) - out[0] = 0.0; - else if (out[0] > 100.0) - out[0] = 100.0; - - C = out[1]; - if (fabs(out[2]) > fabs(C)) - C = out[2]; - if (C < -128.0 || C > 127.0) { - if (C < 0.0) - C = -128.0/C; - else - C = 127.0/C; - out[1] *= C; - out[2] *= C; - } - - return 1; -} - -/* Clip XYZ, while maintaining hue angle */ -/* Return nz if clipping occured */ -int icmClipXYZ(double out[3], double in[3]) { - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - - if (out[0] >= 0.0 && out[0] <= 1.9999 - && out[1] >= 0.0 && out[1] <= 1.9999 - && out[2] >= 0.0 && out[2] <= 1.9999) - return 0; - - /* Clip Y and scale X and Z similarly */ - - if (out[1] > 1.9999) { - out[0] *= 1.9999/out[1]; - out[2] *= 1.9999/out[1]; - out[1] = 1.9999; - } else if (out[1] < 0.0) { - out[0] = 0.0; - out[1] = 0.0; - out[2] = 0.0; - } - - if (out[0] < 0.0 || out[0] > 1.9999 - || out[2] < 0.0 || out[2] > 1.9999) { - double D50[3] = { 0.9642, 1.0000, 0.8249 }; - double bb = 0.0; - - /* Scale the D50 so that it has the same Y value as our color */ - D50[0] *= out[1]; - D50[1] *= out[1]; - D50[2] *= out[1]; - - /* Figure out what blend factor with Y scaled D50, brings our */ - /* color X and Z values into range */ - - if (out[0] < 0.0) { - double b; - b = (0.0 - out[0])/(D50[0] - out[0]); - if (b > bb) - bb = b; - } else if (out[0] > 1.9999) { - double b; - b = (1.9999 - out[0])/(D50[0] - out[0]); - if (b > bb) - bb = b; - } - if (out[2] < 0.0) { - double b; - b = (0.0 - out[2])/(D50[2] - out[2]); - if (b > bb) - bb = b; - } else if (out[2] > 1.9999) { - double b; - b = (1.9999 - out[2])/(D50[2] - out[2]); - if (b > bb) - bb = b; - } - /* Do the desaturation */ - out[0] = D50[0] * bb + (1.0 - bb) * out[0]; - out[2] = D50[2] * bb + (1.0 - bb) * out[2]; - } - return 1; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Object for computing RFC 1321 MD5 checksums. */ -/* Derived from Colin Plumb's 1993 public domain code. */ - -/* Reset the checksum */ -static void icmMD5_reset(icmMD5 *p) { - p->tlen = 0; - - p->sum[0] = 0x67452301; - p->sum[1] = 0xefcdab89; - p->sum[2] = 0x98badcfe; - p->sum[3] = 0x10325476; - - p->fin = 0; -} - -#define F1(x, y, z) (z ^ (x & (y ^ z))) -#define F2(x, y, z) F1(z, x, y) -#define F3(x, y, z) (x ^ y ^ z) -#define F4(x, y, z) (y ^ (x | ~z)) - -#define MD5STEP(f, w, x, y, z, pp, xtra, s) \ - data = (pp)[0] + ((pp)[3] << 24) + ((pp)[2] << 16) + ((pp)[1] << 8); \ - w += f(x, y, z) + data + xtra; \ - w = (w << s) | (w >> (32-s)); \ - w += x; - -/* Add another 64 bytes to the checksum */ -static void icmMD5_accume(icmMD5 *p, ORD8 *in) { - ORD32 data, a, b, c, d; - - a = p->sum[0]; - b = p->sum[1]; - c = p->sum[2]; - d = p->sum[3]; - - MD5STEP(F1, a, b, c, d, in + (4 * 0), 0xd76aa478, 7); - MD5STEP(F1, d, a, b, c, in + (4 * 1), 0xe8c7b756, 12); - MD5STEP(F1, c, d, a, b, in + (4 * 2), 0x242070db, 17); - MD5STEP(F1, b, c, d, a, in + (4 * 3), 0xc1bdceee, 22); - MD5STEP(F1, a, b, c, d, in + (4 * 4), 0xf57c0faf, 7); - MD5STEP(F1, d, a, b, c, in + (4 * 5), 0x4787c62a, 12); - MD5STEP(F1, c, d, a, b, in + (4 * 6), 0xa8304613, 17); - MD5STEP(F1, b, c, d, a, in + (4 * 7), 0xfd469501, 22); - MD5STEP(F1, a, b, c, d, in + (4 * 8), 0x698098d8, 7); - MD5STEP(F1, d, a, b, c, in + (4 * 9), 0x8b44f7af, 12); - MD5STEP(F1, c, d, a, b, in + (4 * 10), 0xffff5bb1, 17); - MD5STEP(F1, b, c, d, a, in + (4 * 11), 0x895cd7be, 22); - MD5STEP(F1, a, b, c, d, in + (4 * 12), 0x6b901122, 7); - MD5STEP(F1, d, a, b, c, in + (4 * 13), 0xfd987193, 12); - MD5STEP(F1, c, d, a, b, in + (4 * 14), 0xa679438e, 17); - MD5STEP(F1, b, c, d, a, in + (4 * 15), 0x49b40821, 22); - - MD5STEP(F2, a, b, c, d, in + (4 * 1), 0xf61e2562, 5); - MD5STEP(F2, d, a, b, c, in + (4 * 6), 0xc040b340, 9); - MD5STEP(F2, c, d, a, b, in + (4 * 11), 0x265e5a51, 14); - MD5STEP(F2, b, c, d, a, in + (4 * 0), 0xe9b6c7aa, 20); - MD5STEP(F2, a, b, c, d, in + (4 * 5), 0xd62f105d, 5); - MD5STEP(F2, d, a, b, c, in + (4 * 10), 0x02441453, 9); - MD5STEP(F2, c, d, a, b, in + (4 * 15), 0xd8a1e681, 14); - MD5STEP(F2, b, c, d, a, in + (4 * 4), 0xe7d3fbc8, 20); - MD5STEP(F2, a, b, c, d, in + (4 * 9), 0x21e1cde6, 5); - MD5STEP(F2, d, a, b, c, in + (4 * 14), 0xc33707d6, 9); - MD5STEP(F2, c, d, a, b, in + (4 * 3), 0xf4d50d87, 14); - MD5STEP(F2, b, c, d, a, in + (4 * 8), 0x455a14ed, 20); - MD5STEP(F2, a, b, c, d, in + (4 * 13), 0xa9e3e905, 5); - MD5STEP(F2, d, a, b, c, in + (4 * 2), 0xfcefa3f8, 9); - MD5STEP(F2, c, d, a, b, in + (4 * 7), 0x676f02d9, 14); - MD5STEP(F2, b, c, d, a, in + (4 * 12), 0x8d2a4c8a, 20); - - MD5STEP(F3, a, b, c, d, in + (4 * 5), 0xfffa3942, 4); - MD5STEP(F3, d, a, b, c, in + (4 * 8), 0x8771f681, 11); - MD5STEP(F3, c, d, a, b, in + (4 * 11), 0x6d9d6122, 16); - MD5STEP(F3, b, c, d, a, in + (4 * 14), 0xfde5380c, 23); - MD5STEP(F3, a, b, c, d, in + (4 * 1), 0xa4beea44, 4); - MD5STEP(F3, d, a, b, c, in + (4 * 4), 0x4bdecfa9, 11); - MD5STEP(F3, c, d, a, b, in + (4 * 7), 0xf6bb4b60, 16); - MD5STEP(F3, b, c, d, a, in + (4 * 10), 0xbebfbc70, 23); - MD5STEP(F3, a, b, c, d, in + (4 * 13), 0x289b7ec6, 4); - MD5STEP(F3, d, a, b, c, in + (4 * 0), 0xeaa127fa, 11); - MD5STEP(F3, c, d, a, b, in + (4 * 3), 0xd4ef3085, 16); - MD5STEP(F3, b, c, d, a, in + (4 * 6), 0x04881d05, 23); - MD5STEP(F3, a, b, c, d, in + (4 * 9), 0xd9d4d039, 4); - MD5STEP(F3, d, a, b, c, in + (4 * 12), 0xe6db99e5, 11); - MD5STEP(F3, c, d, a, b, in + (4 * 15), 0x1fa27cf8, 16); - MD5STEP(F3, b, c, d, a, in + (4 * 2), 0xc4ac5665, 23); - - MD5STEP(F4, a, b, c, d, in + (4 * 0), 0xf4292244, 6); - MD5STEP(F4, d, a, b, c, in + (4 * 7), 0x432aff97, 10); - MD5STEP(F4, c, d, a, b, in + (4 * 14), 0xab9423a7, 15); - MD5STEP(F4, b, c, d, a, in + (4 * 5), 0xfc93a039, 21); - MD5STEP(F4, a, b, c, d, in + (4 * 12), 0x655b59c3, 6); - MD5STEP(F4, d, a, b, c, in + (4 * 3), 0x8f0ccc92, 10); - MD5STEP(F4, c, d, a, b, in + (4 * 10), 0xffeff47d, 15); - MD5STEP(F4, b, c, d, a, in + (4 * 1), 0x85845dd1, 21); - MD5STEP(F4, a, b, c, d, in + (4 * 8), 0x6fa87e4f, 6); - MD5STEP(F4, d, a, b, c, in + (4 * 15), 0xfe2ce6e0, 10); - MD5STEP(F4, c, d, a, b, in + (4 * 6), 0xa3014314, 15); - MD5STEP(F4, b, c, d, a, in + (4 * 13), 0x4e0811a1, 21); - MD5STEP(F4, a, b, c, d, in + (4 * 4), 0xf7537e82, 6); - MD5STEP(F4, d, a, b, c, in + (4 * 11), 0xbd3af235, 10); - MD5STEP(F4, c, d, a, b, in + (4 * 2), 0x2ad7d2bb, 15); - MD5STEP(F4, b, c, d, a, in + (4 * 9), 0xeb86d391, 21); - - p->sum[0] += a; - p->sum[1] += b; - p->sum[2] += c; - p->sum[3] += d; -} - -#undef F1 -#undef F2 -#undef F3 -#undef F4 -#undef MD5STEP - -/* Add some bytes */ -static void icmMD5_add(icmMD5 *p, ORD8 *ibuf, unsigned int len) { - unsigned int bs; - - if (p->fin) - return; /* This is actually an error */ - - bs = p->tlen; /* Current bytes added */ - p->tlen = bs + len; /* Update length after adding this buffer */ - bs &= 0x3f; /* Bytes already in buffer */ - - /* Deal with any existing partial bytes in p->buf */ - if (bs) { - ORD8 *np = (ORD8 *)p->buf + bs; /* Next free location in partial buffer */ - - bs = 64 - bs; /* Free space in partial buffer */ - - if (len < bs) { /* Not enought new to make a full buffer */ - memmove(np, ibuf, len); - return; - } - - memmove(np, ibuf, bs); /* Now got one full buffer */ - icmMD5_accume(p, np); - ibuf += bs; - len -= bs; - } - - /* Deal with input data 64 bytes at a time */ - while (len >= 64) { - icmMD5_accume(p, ibuf); - ibuf += 64; - len -= 64; - } - - /* Deal with any remaining bytes */ - memmove(p->buf, ibuf, len); -} - -/* Finalise the checksum and return the result. */ -static void icmMD5_get(icmMD5 *p, ORD8 chsum[16]) { - int i; - unsigned count; - ORD32 bits1, bits0; - ORD8 *pp; - - if (p->fin == 0) { - - /* Compute number of bytes processed mod 64 */ - count = p->tlen & 0x3f; - - /* Set the first char of padding to 0x80. This is safe since there is - always at least one byte free */ - pp = p->buf + count; - *pp++ = 0x80; - - /* Bytes of padding needed to make 64 bytes */ - count = 64 - 1 - count; - - /* Pad out to 56 mod 64, allowing 8 bytes for length in bits. */ - if (count < 8) { /* Not enough space for padding and length */ - - memset(pp, 0, count); - icmMD5_accume(p, p->buf); - - /* Now fill the next block with 56 bytes */ - memset(p->buf, 0, 56); - } else { - /* Pad block to 56 bytes */ - memset(pp, 0, count - 8); - } - - /* Compute number of bits */ - bits1 = 0x7 & (p->tlen >> (32 - 3)); - bits0 = p->tlen << 3; - - /* Append number of bits */ - p->buf[64 - 8] = bits0 & 0xff; - p->buf[64 - 7] = (bits0 >> 8) & 0xff; - p->buf[64 - 6] = (bits0 >> 16) & 0xff; - p->buf[64 - 5] = (bits0 >> 24) & 0xff; - p->buf[64 - 4] = bits1 & 0xff; - p->buf[64 - 3] = (bits1 >> 8) & 0xff; - p->buf[64 - 2] = (bits1 >> 16) & 0xff; - p->buf[64 - 1] = (bits1 >> 24) & 0xff; - - icmMD5_accume(p, p->buf); - - p->fin = 1; - } - - /* Return the result, lsb to msb */ - pp = chsum; - for (i = 0; i < 4; i++) { - *pp++ = p->sum[i] & 0xff; - *pp++ = (p->sum[i] >> 8) & 0xff; - *pp++ = (p->sum[i] >> 16) & 0xff; - *pp++ = (p->sum[i] >> 24) & 0xff; - } -} - - -/* Delete the instance */ -static void icmMD5_del(icmMD5 *p) { - p->al->free(p->al, p); -} - -/* Create a new MD5 checksumming object, with a reset checksum value */ -/* Return it or NULL if there is an error */ -icmMD5 *new_icmMD5(icmAlloc *al) { - icmMD5 *p; - - if ((p = (icmMD5 *)al->calloc(al,1,sizeof(icmMD5))) == NULL) - return NULL; - - p->al = al; - p->reset = icmMD5_reset; - p->add = icmMD5_add; - p->get = icmMD5_get; - p->del = icmMD5_del; - - p->reset(p); - - return p; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Dumy icmFile used to compute MD5 checksum on write */ - -/* Get the size of the file (Only valid for reading file. */ -static size_t icmFileMD5_get_size(icmFile *pp) { - icmFileMD5 *p = (icmFileMD5 *)pp; - - return p->size; -} - -/* Set current position to offset. Return 0 on success, nz on failure. */ -/* Seek can't be supported for MD5, so and seek must be to current location. */ -static int icmFileMD5_seek( -icmFile *pp, -unsigned int offset -) { - icmFileMD5 *p = (icmFileMD5 *)pp; - - if (p->of != offset) { - p->errc = 1; - } - if (p->of > p->size) - p->size = p->of; - return 0; -} - -/* Read count items of size length. Return number of items successfully read. */ -/* Read is not implemented */ -static size_t icmFileMD5_read( -icmFile *pp, -void *buffer, -size_t size, -size_t count -) { - return 0; -} - -/* write count items of size length. Return number of items successfully written. */ -/* Simply pass to MD5 to compute checksum */ -static size_t icmFileMD5_write( -icmFile *pp, -void *buffer, -size_t size, -size_t count -) { - icmFileMD5 *p = (icmFileMD5 *)pp; - size_t len = size * count; - - p->md5->add(p->md5, (ORD8 *)buffer, len); - p->of += len; - if (p->of > p->size) - p->size = p->of; - return count; -} - -/* do a printf */ -/* Not implemented */ -static int icmFileMD5_printf( -icmFile *pp, -const char *format, -... -) { - icmFileMD5 *p = (icmFileMD5 *)pp; - p->errc = 2; - return 0; -} - -/* flush all write data out to secondary storage. Return nz on failure. */ -static int icmFileMD5_flush( -icmFile *pp -) { - return 0; -} - -/* we're done with the file object, return nz on failure */ -static int icmFileMD5_delete( -icmFile *pp -) { - icmFileMD5 *p = (icmFileMD5 *)pp; - - p->al->free(p->al, p); /* Free object */ - return 0; -} - -/* Return the error code. Error code will usually be set */ -/* if we did a seek to other than the current location, */ -/* or did a printf. */ -static int icmFileMD5_geterrc( -icmFile *pp -) { - icmFileMD5 *p = (icmFileMD5 *)pp; - - return p->errc; -} - -/* Create a checksum dump file access class with allocator */ -icmFile *new_icmFileMD5_a( -icmMD5 *md5, /* MD5 object to use */ -icmAlloc *al /* heap allocator */ -) { - icmFileMD5 *p; - - if ((p = (icmFileMD5 *) al->calloc(al, 1, sizeof(icmFileMD5))) == NULL) { - return NULL; - } - p->md5 = md5; /* MD5 compute object */ - p->al = al; /* Heap allocator */ - p->get_size = icmFileMD5_get_size; - p->seek = icmFileMD5_seek; - p->read = icmFileMD5_read; - p->write = icmFileMD5_write; - p->gprintf = icmFileMD5_printf; - p->flush = icmFileMD5_flush; - p->del = icmFileMD5_delete; - p->get_errc = icmFileMD5_geterrc; - - p->of = 0; - p->errc = 0; - - return (icmFile *)p; -} - - -/* ============================================= */ -/* Implementation of color transform lookups. */ - -/* - - - - - - - - - - - - - - - - - - - - - - - */ -/* Methods common to all transforms (icmLuBase) : */ - -/* Return information about the native lut in/out/pcs colorspaces. */ -/* Any pointer may be NULL if value is not to be returned */ -static void -icmLutSpaces( - struct _icmLuBase *p, /* This */ - icColorSpaceSignature *ins, /* Return Native input color space */ - int *inn, /* Return number of input components */ - icColorSpaceSignature *outs, /* Return Native output color space */ - int *outn, /* Return number of output components */ - icColorSpaceSignature *pcs /* Return Native PCS color space */ - /* (this will be the same as ins or outs */ - /* depending on the lookup direction) */ -) { - if (ins != NULL) - *ins = p->inSpace; - if (inn != NULL) - *inn = (int)number_ColorSpaceSignature(p->inSpace); - - if (outs != NULL) - *outs = p->outSpace; - if (outn != NULL) - *outn = (int)number_ColorSpaceSignature(p->outSpace); - if (pcs != NULL) - *pcs = p->pcs; -} - -/* Return information about the effective lookup in/out colorspaces, */ -/* including allowance for PCS override. */ -/* Any pointer may be NULL if value is not to be returned */ -static void -icmLuSpaces( - struct _icmLuBase *p, /* This */ - icColorSpaceSignature *ins, /* Return effective input color space */ - int *inn, /* Return number of input components */ - icColorSpaceSignature *outs, /* Return effective output color space */ - int *outn, /* Return number of output components */ - icmLuAlgType *alg, /* Return type of lookup algorithm used */ - icRenderingIntent *intt, /* Return the intent being implented */ - icmLookupFunc *fnc, /* Return the profile function being implemented */ - icColorSpaceSignature *pcs, /* Return the profile effective PCS */ - icmLookupOrder *ord /* return the search Order */ -) { - if (ins != NULL) - *ins = p->e_inSpace; - if (inn != NULL) - *inn = (int)number_ColorSpaceSignature(p->e_inSpace); - - if (outs != NULL) - *outs = p->e_outSpace; - if (outn != NULL) - *outn = (int)number_ColorSpaceSignature(p->e_outSpace); - - if (alg != NULL) - *alg = p->ttype; - - if (intt != NULL) - *intt = p->intent; - - if (fnc != NULL) - *fnc = p->function; - - if (pcs != NULL) - *pcs = p->e_pcs; - - if (ord != NULL) - *ord = p->order; -} - -/* Relative to Absolute for this WP in XYZ */ -static void icmLuXYZ_Rel2Abs(icmLuBase *p, double *out, double *in) { - icmMulBy3x3(out, p->toAbs, in); -} - -/* Absolute to Relative for this WP in XYZ */ -static void icmLuXYZ_Abs2Rel(icmLuBase *p, double *out, double *in) { - icmMulBy3x3(out, p->fromAbs, in); -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Methods common to all non-named transforms (icmLuBase) : */ - -/* Initialise the LU white and black points from the ICC tags, */ -/* and the corresponding absolute<->relative conversion matrices */ -/* return nz on error */ -static int icmLuInit_Wh_bk( -struct _icmLuBase *lup -) { - icmXYZArray *whitePointTag, *blackPointTag; - icc *p = lup->icp; - - if ((whitePointTag = (icmXYZArray *)p->read_tag(p, icSigMediaWhitePointTag)) == NULL - || whitePointTag->ttype != icSigXYZType || whitePointTag->size < 1) { - if (p->header->deviceClass != icSigLinkClass - && (lup->intent == icAbsoluteColorimetric - || lup->intent == icmAbsolutePerceptual - || lup->intent == icmAbsoluteSaturation)) { - sprintf(p->err,"icc_lookup: Profile is missing Media White Point Tag"); - p->errc = 1; - return 1; - } - p->err[0] = '\000'; - p->errc = 0; - lup->whitePoint = icmD50; /* safe value */ - } else - lup->whitePoint = whitePointTag->data[0]; /* Copy structure */ - - if ((blackPointTag = (icmXYZArray *)p->read_tag(p, icSigMediaBlackPointTag)) == NULL - || blackPointTag->ttype != icSigXYZType || blackPointTag->size < 1) { - p->err[0] = '\000'; - p->errc = 0; - lup->blackPoint = icmBlack; /* default */ - lup->blackisassumed = 1; /* We assumed the default */ - } else { - lup->blackPoint = blackPointTag->data[0]; /* Copy structure */ - lup->blackisassumed = 0; /* The black is from the tag */ - } - - /* Create absolute <-> relative conversion matricies */ - icmChromAdaptMatrix(ICM_CAM_BRADFORD, lup->whitePoint, icmD50, lup->toAbs); - icmChromAdaptMatrix(ICM_CAM_BRADFORD, icmD50, lup->whitePoint, lup->fromAbs); - DBLLL(("toAbs and fromAbs created from wp %f %f %f and D50 %f %f %f\n", lup->whitePoint.X, lup->whitePoint.Y, lup->whitePoint.Z, icmD50.X, icmD50.Y, icmD50.Z)); - DBLLL(("toAbs = %f %f %f\n %f %f %f\n %f %f %f\n", lup->toAbs[0][0], lup->toAbs[0][1], lup->toAbs[0][2], lup->toAbs[1][0], lup->toAbs[1][1], lup->toAbs[1][2], lup->toAbs[2][0], lup->toAbs[2][1], lup->toAbs[2][2])); - DBLLL(("fromAbs = %f %f %f\n %f %f %f\n %f %f %f\n", lup->fromAbs[0][0], lup->fromAbs[0][1], lup->fromAbs[0][2], lup->fromAbs[1][0], lup->fromAbs[1][1], lup->fromAbs[1][2], lup->fromAbs[2][0], lup->fromAbs[2][1], lup->fromAbs[2][2])); - - return 0; -} - -/* Return the media white and black points in absolute XYZ space. */ -/* Note that if not in the icc, the black point will be returned as 0, 0, 0, */ -/* and the function will return nz. */ -/* Any pointer may be NULL if value is not to be returned */ -static int icmLuWh_bk_points( -struct _icmLuBase *p, -double *wht, -double *blk -) { - if (wht != NULL) { - icmXYZ2Ary(wht,p->whitePoint); - } - - if (blk != NULL) { - icmXYZ2Ary(blk,p->blackPoint); - } - if (p->blackisassumed) - return 1; - return 0; -} - -/* Get the LU white and black points in LU PCS space, converted to XYZ. */ -/* (ie. white and black will be relative if LU is relative intent etc.) */ -/* Return nz if the black point is being assumed to be 0,0,0 rather */ -/* than being from the tag. */ \ -static int icmLuLu_wh_bk_points( -struct _icmLuBase *p, -double *wht, -double *blk -) { - if (wht != NULL) { - icmXYZ2Ary(wht,p->whitePoint); - } - - if (blk != NULL) { - icmXYZ2Ary(blk,p->blackPoint); - } - if (p->intent != icAbsoluteColorimetric - && p->intent != icmAbsolutePerceptual - && p->intent != icmAbsoluteSaturation) { - if (wht != NULL) - icmMulBy3x3(wht, p->fromAbs, wht); - if (blk != NULL) - icmMulBy3x3(blk, p->fromAbs, blk); - } - if (p->blackisassumed) - return 1; - return 0; -} - -/* Get the native (internal) ranges for the Monochrome or Matrix profile */ -/* Arguments may be NULL */ -static void -icmLu_get_lutranges ( - struct _icmLuBase *p, - double *inmin, double *inmax, /* Return maximum range of inspace values */ - double *outmin, double *outmax /* Return maximum range of outspace values */ -) { - icTagTypeSignature tagType; - - if (p->ttype == icmLutType) { - icmLuLut *pp = (icmLuLut *)p; - tagType = pp->lut->ttype; - } else { - tagType = icMaxEnumType; - } - - /* Hmm. we have no way of handling an error from getRange. */ - /* It shouldn't ever return one unless there is a mismatch between */ - /* getRange and Lu creation... */ - getRange(p->icp, p->inSpace, tagType, inmin, inmax); - getRange(p->icp, p->outSpace, tagType, outmin, outmax); -} - -/* Get the effective (externally visible) ranges for the all profile types */ -/* Arguments may be NULL */ -static void -icmLu_get_ranges ( - struct _icmLuBase *p, - double *inmin, double *inmax, /* Return maximum range of inspace values */ - double *outmin, double *outmax /* Return maximum range of outspace values */ -) { - icTagTypeSignature tagType; - - if (p->ttype == icmLutType) { - icmLuLut *pp = (icmLuLut *)p; - tagType = pp->lut->ttype; - } else { - tagType = icMaxEnumType; - } - /* Hmm. we have no way of handling an error from getRange. */ - /* It shouldn't ever return one unless there is a mismatch between */ - /* getRange and Lu creation... */ - getRange(p->icp, p->e_inSpace, tagType, inmin, inmax); - getRange(p->icp, p->e_outSpace, tagType, outmin, outmax); -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Forward and Backward Monochrome type methods: */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ - -/* Individual components of Fwd conversion: */ - -/* Actual device to linearised device */ -static int -icmLuMonoFwd_curve ( -icmLuMono *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - icc *icp = p->icp; - int rv = 0; - - /* Translate from device to PCS scale */ - if ((rv |= p->grayCurve->lookup_fwd(p->grayCurve,&out[0],&in[0])) > 1) { - sprintf(icp->err,"icc_lookup: Curve->lookup_fwd() failed"); - icp->errc = rv; - return 2; - } - - return rv; -} - -/* Linearised device to relative PCS */ -static int -icmLuMonoFwd_map ( -icmLuMono *p, /* This */ -double *out, /* Vector of output values (native space) */ -double *in /* Vector of input values (native space) */ -) { - int rv = 0; - double Y = in[0]; /* In case out == in */ - - out[0] = p->pcswht.X; - out[1] = p->pcswht.Y; - out[2] = p->pcswht.Z; - if (p->pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); /* in Lab */ - - /* Scale linearized device level to PCS white */ - out[0] *= Y; - out[1] *= Y; - out[2] *= Y; - - return rv; -} - -/* relative PCS to absolute PCS (if required) */ -static int -icmLuMonoFwd_abs ( /* Abs comes last in Fwd conversion */ -icmLuMono *p, /* This */ -double *out, /* Vector of output values in Effective PCS */ -double *in /* Vector of input values in Native PCS */ -) { - int rv = 0; - - if (out != in) { /* Don't alter input values */ - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - } - - /* Do absolute conversion */ - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - - if (p->pcs == icSigLabData) /* Convert L to Y */ - icmLab2XYZ(&p->pcswht, out, out); - - /* Convert from Relative to Absolute colorimetric */ - icmMulBy3x3(out, p->toAbs, out); - - if (p->e_pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); - - } else { - - /* Convert from Native to Effective output space */ - if (p->pcs == icSigLabData && p->e_pcs == icSigXYZData) - icmLab2XYZ(&p->pcswht, out, out); - else if (p->pcs == icSigXYZData && p->e_pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); - } - - return rv; -} - - -/* Overall Fwd conversion routine (Dev->PCS) */ -static int -icmLuMonoFwd_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Input value */ -) { - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoFwd_curve(p, out, in); - rv |= icmLuMonoFwd_map(p, out, out); - rv |= icmLuMonoFwd_abs(p, out, out); - return rv; -} - -/* Three stage conversion routines */ -static int -icmLuMonoFwd_lookup_in( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoFwd_curve(p, out, in); - return rv; -} - -static int -icmLuMonoFwd_lookup_core( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoFwd_map(p, out, in); - rv |= icmLuMonoFwd_abs(p, out, out); - return rv; -} - -static int -icmLuMonoFwd_lookup_out( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - int rv = 0; - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - return rv; -} - - -/* - - - - - - - - - - - - - - */ -/* Individual components of Bwd conversion: */ - -/* Convert from relative PCS to absolute PCS (if required) */ -static int -icmLuMonoBwd_abs ( /* Abs comes first in Bwd conversion */ -icmLuMono *p, /* This */ -double *out, /* Vector of output values in Native PCS */ -double *in /* Vector of input values in Effective PCS */ -) { - int rv = 0; - - if (out != in) { /* Don't alter input values */ - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - } - - /* Force to monochrome locus in correct space */ - if (p->e_pcs == icSigLabData) { - double wp[3]; - - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - wp[0] = p->whitePoint.X; - wp[1] = p->whitePoint.Y; - wp[2] = p->whitePoint.Z; - } else { - wp[0] = p->pcswht.X; - wp[1] = p->pcswht.Y; - wp[2] = p->pcswht.Z; - } - icmXYZ2Lab(&p->pcswht, wp, wp); /* Convert to Lab white point */ - out[1] = out[0]/wp[0] * wp[1]; - out[2] = out[0]/wp[0] * wp[2]; - - } else { - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - out[0] = out[1]/p->whitePoint.Y * p->whitePoint.X; - out[2] = out[1]/p->whitePoint.Y * p->whitePoint.Z; - } else { - out[0] = out[1]/p->pcswht.Y * p->pcswht.X; - out[2] = out[1]/p->pcswht.Y * p->pcswht.Z; - } - } - - /* Do absolute conversion, and conversion to effective PCS */ - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - - if (p->e_pcs == icSigLabData) - icmLab2XYZ(&p->pcswht, out, out); - - icmMulBy3x3(out, p->fromAbs, out); - - /* Convert from Effective to Native input space */ - if (p->pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); - - } else { - - /* Convert from Effective to Native input space */ - if (p->e_pcs == icSigLabData && p->pcs == icSigXYZData) - icmLab2XYZ(&p->pcswht, out, out); - else if (p->e_pcs == icSigXYZData && p->pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); - } - - return rv; -} - -/* Map from relative PCS to linearised device */ -static int -icmLuMonoBwd_map ( -icmLuMono *p, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values (native space) */ -) { - int rv = 0; - double pcsw[3]; - - pcsw[0] = p->pcswht.X; - pcsw[1] = p->pcswht.Y; - pcsw[2] = p->pcswht.Z; - if (p->pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, pcsw, pcsw); /* in Lab (should be 100.0!) */ - - /* Divide linearized device level into PCS white luminence */ - if (p->pcs == icSigLabData) - out[0] = in[0]/pcsw[0]; - else - out[0] = in[1]/pcsw[1]; - - return rv; -} - -/* Map from linearised device to actual device */ -static int -icmLuMonoBwd_curve ( -icmLuMono *p, /* This */ -double *out, /* Output value */ -double *in /* Input value */ -) { - icc *icp = p->icp; - int rv = 0; - - /* Convert to device value through curve */ - if ((rv = p->grayCurve->lookup_bwd(p->grayCurve,&out[0],&in[0])) > 1) { - sprintf(icp->err,"icc_lookup: Curve->lookup_bwd() failed"); - icp->errc = rv; - return 2; - } - - return rv; -} - -/* Overall Bwd conversion routine (PCS->Dev) */ -static int -icmLuMonoBwd_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - double temp[3]; - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoBwd_abs(p, temp, in); - rv |= icmLuMonoBwd_map(p, out, temp); - rv |= icmLuMonoBwd_curve(p, out, out); - return rv; -} - -/* Three stage conversion routines */ -static int -icmLuMonoBwd_lookup_in( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - int rv = 0; - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - return rv; -} - -static int -icmLuMonoBwd_lookup_core( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - double temp[3]; - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoBwd_abs(p, temp, in); - rv |= icmLuMonoBwd_map(p, out, temp); - return rv; -} - -static int -icmLuMonoBwd_lookup_out( -icmLuBase *pp, /* This */ -double *out, /* Output value */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMono *p = (icmLuMono *)pp; - rv |= icmLuMonoBwd_curve(p, out, in); - return rv; -} - -/* - - - - - - - - - - - - - - */ - -static void -icmLuMono_delete( -icmLuBase *p -) { - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -static icmLuBase * -new_icmLuMono( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func, /* Functionality requested */ - int dir /* 0 = fwd, 1 = bwd */ -) { - icmLuMono *p; - - if ((p = (icmLuMono *) icp->al->calloc(icp->al,1,sizeof(icmLuMono))) == NULL) - return NULL; - p->icp = icp; - p->del = icmLuMono_delete; - p->lutspaces= icmLutSpaces; - p->spaces = icmLuSpaces; - p->XYZ_Rel2Abs = icmLuXYZ_Rel2Abs; - p->XYZ_Abs2Rel = icmLuXYZ_Abs2Rel; - p->get_lutranges = icmLu_get_lutranges; - p->get_ranges = icmLu_get_ranges; - p->init_wh_bk = icmLuInit_Wh_bk; - p->wh_bk_points = icmLuWh_bk_points; - p->lu_wh_bk_points = icmLuLu_wh_bk_points; - p->fwd_lookup = icmLuMonoFwd_lookup; - p->fwd_curve = icmLuMonoFwd_curve; - p->fwd_map = icmLuMonoFwd_map; - p->fwd_abs = icmLuMonoFwd_abs; - p->bwd_lookup = icmLuMonoBwd_lookup; - p->bwd_abs = icmLuMonoFwd_abs; - p->bwd_map = icmLuMonoFwd_map; - p->bwd_curve = icmLuMonoFwd_curve; - if (dir) { - p->ttype = icmMonoBwdType; - p->lookup = icmLuMonoBwd_lookup; - p->lookup_in = icmLuMonoBwd_lookup_in; - p->lookup_core = icmLuMonoBwd_lookup_core; - p->lookup_out = icmLuMonoBwd_lookup_out; - p->lookup_inv_in = icmLuMonoFwd_lookup_out; /* Opposite of Bwd_lookup_in */ - } else { - p->ttype = icmMonoFwdType; - p->lookup = icmLuMonoFwd_lookup; - p->lookup_in = icmLuMonoFwd_lookup_in; - p->lookup_core = icmLuMonoFwd_lookup_core; - p->lookup_out = icmLuMonoFwd_lookup_out; - p->lookup_inv_in = icmLuMonoBwd_lookup_out; /* Opposite of Fwd_lookup_in */ - } - - /* Lookup the white and black points */ - if (p->init_wh_bk((icmLuBase *)p)) { - p->del((icmLuBase *)p); - return NULL; - } - - /* See if the color spaces are appropriate for the mono type */ - if (number_ColorSpaceSignature(icp->header->colorSpace) != 1 - || ( icp->header->pcs != icSigXYZData && icp->header->pcs != icSigLabData)) { - p->del((icmLuBase *)p); - return NULL; - } - - /* Find the appropriate tags */ - if ((p->grayCurve = (icmCurve *)icp->read_tag(icp, icSigGrayTRCTag)) == NULL - || p->grayCurve->ttype != icSigCurveType) { - p->del((icmLuBase *)p); - return NULL; - } - - p->pcswht = icp->header->illuminant; - p->intent = intent; - p->function = func; - p->inSpace = inSpace; - p->outSpace = outSpace; - p->pcs = pcs; - p->e_inSpace = e_inSpace; - p->e_outSpace = e_outSpace; - p->e_pcs = e_pcs; - - return (icmLuBase *)p; -} - -static icmLuBase * -new_icmLuMonoFwd( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func /* Functionality requested */ -) { - return new_icmLuMono(icp, inSpace, outSpace, pcs, e_inSpace, e_outSpace, e_pcs, - intent, func, 0); -} - - -static icmLuBase * -new_icmLuMonoBwd( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func /* Functionality requested */ -) { - return new_icmLuMono(icp, inSpace, outSpace, pcs, e_inSpace, e_outSpace, e_pcs, - intent, func, 1); -} - -/* - - - - - - - - - - - - - - - - - - - - - - - */ -/* Forward and Backward Matrix type conversion */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ - -/* Individual components of Fwd conversion: */ -static int -icmLuMatrixFwd_curve ( -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - icc *icp = p->icp; - int rv = 0; - - /* Curve lookups */ - if ((rv |= p->redCurve->lookup_fwd( p->redCurve, &out[0],&in[0])) > 1 - || (rv |= p->greenCurve->lookup_fwd(p->greenCurve,&out[1],&in[1])) > 1 - || (rv |= p->blueCurve->lookup_fwd( p->blueCurve, &out[2],&in[2])) > 1) { - sprintf(icp->err,"icc_lookup: Curve->lookup_fwd() failed"); - icp->errc = rv; - return 2; - } - - return rv; -} - -static int -icmLuMatrixFwd_matrix ( -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - double tt[3]; - - /* Matrix */ - tt[0] = p->mx[0][0] * in[0] + p->mx[0][1] * in[1] + p->mx[0][2] * in[2]; - tt[1] = p->mx[1][0] * in[0] + p->mx[1][1] * in[1] + p->mx[1][2] * in[2]; - tt[2] = p->mx[2][0] * in[0] + p->mx[2][1] * in[1] + p->mx[2][2] * in[2]; - - out[0] = tt[0]; - out[1] = tt[1]; - out[2] = tt[2]; - - return rv; -} - -static int -icmLuMatrixFwd_abs (/* Abs comes last in Fwd conversion */ -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - - if (out != in) { /* Don't alter input values */ - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - } - - /* If required, convert from Relative to Absolute colorimetric */ - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - icmMulBy3x3(out, p->toAbs, out); - } - - /* If e_pcs is Lab, then convert XYZ to Lab */ - if (p->e_pcs == icSigLabData) - icmXYZ2Lab(&p->pcswht, out, out); - - return rv; -} - - -/* Overall Fwd conversion (Dev->PCS)*/ -static int -icmLuMatrixFwd_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixFwd_curve(p, out, in); - rv |= icmLuMatrixFwd_matrix(p, out, out); - rv |= icmLuMatrixFwd_abs(p, out, out); - return rv; -} - -/* Three stage conversion routines */ -static int -icmLuMatrixFwd_lookup_in ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixFwd_curve(p, out, in); - return rv; -} - -static int -icmLuMatrixFwd_lookup_core ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixFwd_matrix(p, out, in); - rv |= icmLuMatrixFwd_abs(p, out, out); - return rv; -} - -static int -icmLuMatrixFwd_lookup_out ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - return rv; -} - -/* - - - - - - - - - - - - - - */ -/* Individual components of Bwd conversion: */ - -static int -icmLuMatrixBwd_abs (/* Abs comes first in Bwd conversion */ -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - - if (out != in) { /* Don't alter input values */ - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - } - - /* If e_pcs is Lab, then convert Lab to XYZ */ - if (p->e_pcs == icSigLabData) - icmLab2XYZ(&p->pcswht, out, out); - - /* If required, convert from Absolute to Relative colorimetric */ - if (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation) { - icmMulBy3x3(out, p->fromAbs, out); - } - - return rv; -} - -static int -icmLuMatrixBwd_matrix ( -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - double tt[3]; - - tt[0] = in[0]; - tt[1] = in[1]; - tt[2] = in[2]; - - /* Matrix */ - out[0] = p->bmx[0][0] * tt[0] + p->bmx[0][1] * tt[1] + p->bmx[0][2] * tt[2]; - out[1] = p->bmx[1][0] * tt[0] + p->bmx[1][1] * tt[1] + p->bmx[1][2] * tt[2]; - out[2] = p->bmx[2][0] * tt[0] + p->bmx[2][1] * tt[1] + p->bmx[2][2] * tt[2]; - - return rv; -} - -static int -icmLuMatrixBwd_curve ( -icmLuMatrix *p, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - icc *icp = p->icp; - int rv = 0; - - /* Curves */ - if ((rv |= p->redCurve->lookup_bwd(p->redCurve,&out[0],&in[0])) > 1 - || (rv |= p->greenCurve->lookup_bwd(p->greenCurve,&out[1],&in[1])) > 1 - || (rv |= p->blueCurve->lookup_bwd(p->blueCurve,&out[2],&in[2])) > 1) { - sprintf(icp->err,"icc_lookup: Curve->lookup_bwd() failed"); - icp->errc = rv; - return 2; - } - return rv; -} - -/* Overall Bwd conversion (PCS->Dev) */ -static int -icmLuMatrixBwd_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixBwd_abs(p, out, in); - rv |= icmLuMatrixBwd_matrix(p, out, out); - rv |= icmLuMatrixBwd_curve(p, out, out); - return rv; -} - -/* Three stage conversion routines */ -static int -icmLuMatrixBwd_lookup_in ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - out[0] = in[0]; - out[1] = in[1]; - out[2] = in[2]; - return rv; -} - -static int -icmLuMatrixBwd_lookup_core ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixBwd_abs(p, out, in); - rv |= icmLuMatrixBwd_matrix(p, out, out); - return rv; -} - -static int -icmLuMatrixBwd_lookup_out ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuMatrix *p = (icmLuMatrix *)pp; - rv |= icmLuMatrixBwd_curve(p, out, in); - return rv; -} - -/* - - - - - - - - - - - - - - */ - -static void -icmLuMatrix_delete( -icmLuBase *p -) { - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -/* We setup valid fwd and bwd component conversions, */ -/* but setup only the asked for overal conversion. */ -static icmLuBase * -new_icmLuMatrix( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func, /* Functionality requested */ - int dir /* 0 = fwd, 1 = bwd */ -) { - icmLuMatrix *p; - - if ((p = (icmLuMatrix *) icp->al->calloc(icp->al,1,sizeof(icmLuMatrix))) == NULL) - return NULL; - p->icp = icp; - p->del = icmLuMatrix_delete; - p->lutspaces= icmLutSpaces; - p->spaces = icmLuSpaces; - p->XYZ_Rel2Abs = icmLuXYZ_Rel2Abs; - p->XYZ_Abs2Rel = icmLuXYZ_Abs2Rel; - p->get_lutranges = icmLu_get_lutranges; - p->get_ranges = icmLu_get_ranges; - p->init_wh_bk = icmLuInit_Wh_bk; - p->wh_bk_points = icmLuWh_bk_points; - p->lu_wh_bk_points = icmLuLu_wh_bk_points; - p->fwd_lookup = icmLuMatrixFwd_lookup; - p->fwd_curve = icmLuMatrixFwd_curve; - p->fwd_matrix = icmLuMatrixFwd_matrix; - p->fwd_abs = icmLuMatrixFwd_abs; - p->bwd_lookup = icmLuMatrixBwd_lookup; - p->bwd_abs = icmLuMatrixBwd_abs; - p->bwd_matrix = icmLuMatrixBwd_matrix; - p->bwd_curve = icmLuMatrixBwd_curve; - if (dir) { - p->ttype = icmMatrixBwdType; - p->lookup = icmLuMatrixBwd_lookup; - p->lookup_in = icmLuMatrixBwd_lookup_in; - p->lookup_core = icmLuMatrixBwd_lookup_core; - p->lookup_out = icmLuMatrixBwd_lookup_out; - p->lookup_inv_in = icmLuMatrixFwd_lookup_out; /* Opposite of Bwd_lookup_in */ - } else { - p->ttype = icmMatrixFwdType; - p->lookup = icmLuMatrixFwd_lookup; - p->lookup_in = icmLuMatrixFwd_lookup_in; - p->lookup_core = icmLuMatrixFwd_lookup_core; - p->lookup_out = icmLuMatrixFwd_lookup_out; - p->lookup_inv_in = icmLuMatrixBwd_lookup_out; /* Opposite of Fwd_lookup_in */ - } - - /* Lookup the white and black points */ - if (p->init_wh_bk((icmLuBase *)p)) { - p->del((icmLuBase *)p); - return NULL; - } - - /* Note that we can use matrix type even if PCS is Lab, */ - /* by simply converting it. */ - - /* Find the appropriate tags */ - if ((p->redCurve = (icmCurve *)icp->read_tag(icp, icSigRedTRCTag)) == NULL - || p->redCurve->ttype != icSigCurveType - || (p->greenCurve = (icmCurve *)icp->read_tag(icp, icSigGreenTRCTag)) == NULL - || p->greenCurve->ttype != icSigCurveType - || (p->blueCurve = (icmCurve *)icp->read_tag(icp, icSigBlueTRCTag)) == NULL - || p->blueCurve->ttype != icSigCurveType - || (p->redColrnt = (icmXYZArray *)icp->read_tag(icp, icSigRedColorantTag)) == NULL - || p->redColrnt->ttype != icSigXYZType || p->redColrnt->size < 1 - || (p->greenColrnt = (icmXYZArray *)icp->read_tag(icp, icSigGreenColorantTag)) == NULL - || p->greenColrnt->ttype != icSigXYZType || p->greenColrnt->size < 1 - || (p->blueColrnt = (icmXYZArray *)icp->read_tag(icp, icSigBlueColorantTag)) == NULL - || p->blueColrnt->ttype != icSigXYZType || p->blueColrnt->size < 1) { - p->del((icmLuBase *)p); - return NULL; - } - - /* Setup the matrix */ - p->mx[0][0] = p->redColrnt->data[0].X; - p->mx[0][1] = p->greenColrnt->data[0].X; - p->mx[0][2] = p->blueColrnt->data[0].X; - p->mx[1][1] = p->greenColrnt->data[0].Y; - p->mx[1][0] = p->redColrnt->data[0].Y; - p->mx[1][2] = p->blueColrnt->data[0].Y; - p->mx[2][1] = p->greenColrnt->data[0].Z; - p->mx[2][0] = p->redColrnt->data[0].Z; - p->mx[2][2] = p->blueColrnt->data[0].Z; - -#ifndef ICM_STRICT - /* Workaround for buggy Kodak RGB profiles. Their matrix values */ - /* may be scaled to 100 rather than 1.0, and the colorant curves */ - /* may be scaled by 0.5 */ - if (icp->header->cmmId == str2tag("KCMS")) { - int i, j, oc = 0; - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - if (p->mx[i][j] > 5.0) - oc++; - if (oc > 4) { /* Looks like it */ - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - p->mx[i][j] /= 100.0; - } - } -#endif /* ICM_STRICT */ - - if (icmInverse3x3(p->bmx, p->mx) != 0) { /* Compute inverse */ - sprintf(icp->err,"icc_new_iccLuMatrix: Matrix wasn't invertable"); - icp->errc = 2; - p->del((icmLuBase *)p); - return NULL; - } - - p->pcswht = icp->header->illuminant; - p->intent = intent; - p->function = func; - p->inSpace = inSpace; - p->outSpace = outSpace; - p->pcs = pcs; - p->e_inSpace = e_inSpace; - p->e_outSpace = e_outSpace; - p->e_pcs = e_pcs; - - /* Lookup the white and black points */ - if (p->init_wh_bk((icmLuBase *)p)) { - p->del((icmLuBase *)p); - return NULL; - } - - return (icmLuBase *)p; -} - -static icmLuBase * -new_icmLuMatrixFwd( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func /* Functionality requested */ -) { - return new_icmLuMatrix(icp, inSpace, outSpace, pcs, e_inSpace, e_outSpace, e_pcs, - intent, func, 0); -} - - -static icmLuBase * -new_icmLuMatrixBwd( - struct _icc *icp, - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent */ - icmLookupFunc func /* Functionality requested */ -) { - return new_icmLuMatrix(icp, inSpace, outSpace, pcs, e_inSpace, e_outSpace, e_pcs, - intent, func, 1); -} - -/* - - - - - - - - - - - - - - - - - - - - - - - */ -/* Forward and Backward Multi-Dimensional Interpolation type conversion */ -/* Return 0 on success, 1 if clipping occured, 2 on other error */ - -/* Components of overall lookup, in order */ -static int icmLuLut_in_abs(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - DBLLL(("icm in_abs: input %s\n",icmPdv(lut->inputChan, in))); - if (out != in) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) /* Don't alter input values */ - out[i] = in[i]; - } - - /* If Bwd Lut, take care of Absolute color space and effective input space */ - if ((p->function == icmBwd || p->function == icmGamut || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) { - - if (p->e_inSpace == icSigLabData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm in_abs: after Lab2XYZ %s\n",icmPdv(lut->inputChan, out))); - } - - /* Convert from Absolute to Relative colorimetric */ - icmMulBy3x3(out, p->fromAbs, out); - DBLLL(("icm in_abs: after fromAbs %s\n",icmPdv(lut->inputChan, out))); - - if (p->inSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm in_abs: after XYZ2Lab %s\n",icmPdv(lut->inputChan, out))); - } - - } else { - - /* Convert from Effective to Native input space */ - if (p->e_inSpace == icSigLabData && p->inSpace == icSigXYZData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm in_abs: after Lab2XYZ %s\n",icmPdv(lut->inputChan, out))); - } else if (p->e_inSpace == icSigXYZData && p->inSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm in_abs: after XYZ2Lab %s\n",icmPdv(lut->inputChan, out))); - } - } - DBLLL(("icm in_abs: returning %s\n",icmPdv(lut->inputChan, out))); - - return rv; -} - -/* Possible matrix lookup */ -static int icmLuLut_matrix(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - if (p->usematrix) - rv |= lut->lookup_matrix(lut,out,in); - else if (out != in) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) - out[i] = in[i]; - } - return rv; -} - -/* Do input -> input' lookup */ -static int icmLuLut_input(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - p->in_normf(out, in); /* Normalize from input color space */ - rv |= lut->lookup_input(lut,out,out); /* Lookup though input tables */ - p->in_denormf(out,out); /* De-normalize to input color space */ - return rv; -} - -/* Do input'->output' lookup */ -static int icmLuLut_clut(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - double temp[MAX_CHAN]; - int rv = 0; - - p->in_normf(temp, in); /* Normalize from input color space */ - rv |= p->lookup_clut(lut,out,temp); /* Lookup though clut tables */ - p->out_denormf(out,out); /* De-normalize to output color space */ - return rv; -} - -/* Do output'->output lookup */ -static int icmLuLut_output(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - p->out_normf(out,in); /* Normalize from output color space */ - rv |= lut->lookup_output(lut,out,out); /* Lookup though output tables */ - p->out_denormf(out, out); /* De-normalize to output color space */ - return rv; -} - -static int icmLuLut_out_abs(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - DBLLL(("icm out_abs: input %s\n",icmPdv(lut->outputChan, in))); - if (out != in) { - unsigned int i; - for (i = 0; i < lut->outputChan; i++) /* Don't alter input values */ - out[i] = in[i]; - } - - /* If Fwd Lut, take care of Absolute color space */ - /* and convert from native to effective out PCS */ - if ((p->function == icmFwd || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) { - - if (p->outSpace == icSigLabData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm out_abs: after Lab2XYZ %s\n",icmPdv(lut->outputChan, out))); - } - - /* Convert from Relative to Absolute colorimetric XYZ */ - icmMulBy3x3(out, p->toAbs, out); - DBLLL(("icm out_abs: after toAbs %s\n",icmPdv(lut->outputChan, out))); - - if (p->e_outSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm out_abs: after XYZ2Lab %s\n",icmPdv(lut->outputChan, out))); - } - } else { - - /* Convert from Native to Effective output space */ - if (p->outSpace == icSigLabData && p->e_outSpace == icSigXYZData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm out_abs: after Lab2 %s\n",icmPdv(lut->outputChan, out))); - } else if (p->outSpace == icSigXYZData && p->e_outSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm out_abs: after XYZ2Lab %s\n",icmPdv(lut->outputChan, out))); - } - } - DBLLL(("icm out_abs: returning %s\n",icmPdv(lut->outputChan, out))); - return rv; -} - - -/* Overall lookup */ -static int -icmLuLut_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuLut *p = (icmLuLut *)pp; - icmLut *lut = p->lut; - double temp[MAX_CHAN]; - - DBGLL(("icmLuLut_lookup: in = %s\n", icmPdv(p->inputChan, in))); - rv |= p->in_abs(p,temp,in); /* Possible absolute conversion */ - DBGLL(("icmLuLut_lookup: in_abs = %s\n", icmPdv(p->inputChan, temp))); - if (p->usematrix) { - rv |= lut->lookup_matrix(lut,temp,temp);/* If XYZ, multiply by non-unity matrix */ - DBGLL(("icmLuLut_lookup: matrix = %s\n", icmPdv(p->inputChan, temp))); - } - p->in_normf(temp, temp); /* Normalize for input color space */ - DBGLL(("icmLuLut_lookup: norm = %s\n", icmPdv(p->inputChan, temp))); - rv |= lut->lookup_input(lut,temp,temp); /* Lookup though input tables */ - DBGLL(("icmLuLut_lookup: input = %s\n", icmPdv(p->inputChan, temp))); - rv |= p->lookup_clut(lut,out,temp); /* Lookup though clut tables */ - DBGLL(("icmLuLut_lookup: clut = %s\n", icmPdv(p->outputChan, out))); - rv |= lut->lookup_output(lut,out,out); /* Lookup though output tables */ - DBGLL(("icmLuLut_lookup: output = %s\n", icmPdv(p->outputChan, out))); - p->out_denormf(out,out); /* Normalize for output color space */ - DBGLL(("icmLuLut_lookup: denorm = %s\n", icmPdv(p->outputChan, out))); - rv |= p->out_abs(p,out,out); /* Possible absolute conversion */ - DBGLL(("icmLuLut_lookup: out_abse = %s\n", icmPdv(p->outputChan, out))); - - return rv; -} - -#ifdef NEVER /* The following should be identical in effect to the above. */ - -/* Overall lookup */ -static int -icmLuLut_lookup ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int i, rv = 0; - icmLuLut *p = (icmLuLut *)pp; - icmLut *lut = p->lut; - double temp[MAX_CHAN]; - - rv |= p->in_abs(p,temp,in); - rv |= p->matrix(p,temp,temp); - rv |= p->input(p,temp,temp); - rv |= p->clut(p,out,temp); - rv |= p->output(p,out,out); - rv |= p->out_abs(p,out,out); - - return rv; -} - -#endif /* NEVER */ - -/* Three stage conversion */ -static int -icmLuLut_lookup_in ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuLut *p = (icmLuLut *)pp; - icmLut *lut = p->lut; - - /* If in_abs() or matrix() are active, then we can't have a per component input curve */ - if (((p->function == icmBwd || p->function == icmGamut || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) - || (p->e_inSpace != p->inSpace) - || (p->usematrix)) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) - out[i] = in[i]; - } else { - rv |= p->input(p,out,in); - } - return rv; -} - -static int -icmLuLut_lookup_core ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuLut *p = (icmLuLut *)pp; - - /* If in_abs() or matrix() are active, then we have to do the per component input curve here */ - if (((p->function == icmBwd || p->function == icmGamut || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) - || (p->e_inSpace != p->inSpace) - || (p->usematrix)) { - double temp[MAX_CHAN]; - rv |= p->in_abs(p,temp,in); - rv |= p->matrix(p,temp,temp); - rv |= p->input(p,temp,temp); - rv |= p->clut(p,out,temp); - } else { - rv |= p->clut(p,out,in); - } - - /* If out_abs() is active, then we can't have do per component out curve here */ - if (((p->function == icmFwd || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) - || (p->outSpace != p->e_outSpace)) { - rv |= p->output(p,out,out); - rv |= p->out_abs(p,out,out); - } - - return rv; -} - -static int -icmLuLut_lookup_out ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuLut *p = (icmLuLut *)pp; - icmLut *lut = p->lut; - - /* If out_abs() is active, then we can't have a per component out curve */ - if (((p->function == icmFwd || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) - || (p->outSpace != p->e_outSpace)) { - unsigned int i; - for (i = 0; i < lut->outputChan; i++) - out[i] = in[i]; - } else { - rv |= p->output(p,out,in); - } - - return rv; -} - -/* Inverse three stage conversion (partly implemented) */ -static int -icmLuLut_lookup_inv_in ( -icmLuBase *pp, /* This */ -double *out, /* Vector of output values */ -double *in /* Vector of input values */ -) { - int rv = 0; - icmLuLut *p = (icmLuLut *)pp; - icmLut *lut = p->lut; - - /* If in_abs() or matrix() are active, then we can't have a per component input curve */ - if (((p->function == icmBwd || p->function == icmGamut || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) - || (p->e_inSpace != p->inSpace) - || (p->usematrix)) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) - out[i] = in[i]; - } else { - rv |= p->inv_input(p,out,in); - } - return rv; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - */ -/* Some components of inverse lookup, in order */ -/* ~~ should these be in icmLut (like all the fwd transforms)? */ - -static int icmLuLut_inv_out_abs(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - DBLLL(("icm inv_out_abs: input %s\n",icmPdv(lut->outputChan, in))); - if (out != in) { - unsigned int i; - for (i = 0; i < lut->outputChan; i++) /* Don't alter input values */ - out[i] = in[i]; - } - - /* If Fwd Lut, take care of Absolute color space */ - /* and convert from effective to native inverse output PCS */ - /* OutSpace must be PCS: XYZ or Lab */ - if ((p->function == icmFwd || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) { - - if (p->e_outSpace == icSigLabData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm inv_out_abs: after Lab2XYZ %s\n",icmPdv(lut->outputChan, out))); - } - - /* Convert from Absolute to Relative colorimetric */ - icmMulBy3x3(out, p->fromAbs, out); - DBLLL(("icm inv_out_abs: after fromAbs %s\n",icmPdv(lut->outputChan, out))); - - if (p->outSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm inv_out_abs: after XYZ2Lab %s\n",icmPdv(lut->outputChan, out))); - } - - } else { - - /* Convert from Effective to Native output space */ - if (p->e_outSpace == icSigLabData && p->outSpace == icSigXYZData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm inv_out_abs: after Lab2XYZ %s\n",icmPdv(lut->outputChan, out))); - } else if (p->e_outSpace == icSigXYZData && p->outSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm inv_out_abs: after XYZ2Lab %s\n",icmPdv(lut->outputChan, out))); - } - } - return rv; -} - -/* Do output->output' inverse lookup */ -static int icmLuLut_inv_output(icmLuLut *p, double *out, double *in) { - icc *icp = p->icp; - icmLut *lut = p->lut; - int i; - int rv = 0; - - if (lut->rot[0].inited == 0) { - for (i = 0; i < lut->outputChan; i++) { - rv = icmTable_setup_bwd(icp, &lut->rot[i], lut->outputEnt, - lut->outputTable + i * lut->outputEnt); - if (rv != 0) { - sprintf(icp->err,"icc_Lut_inv_input: Malloc failure in inverse lookup init."); - return icp->errc = rv; - } - } - } - - p->out_normf(out,in); /* Normalize from output color space */ - for (i = 0; i < lut->outputChan; i++) { - /* Reverse lookup though output tables */ - rv |= icmTable_lookup_bwd(&lut->rot[i], &out[i], &out[i]); - } - p->out_denormf(out, out); /* De-normalize to output color space */ - return rv; -} - -/* No output' -> input inverse lookup. */ -/* This is non-trivial ! */ - -/* Do input' -> input inverse lookup */ -static int icmLuLut_inv_input(icmLuLut *p, double *out, double *in) { - icc *icp = p->icp; - icmLut *lut = p->lut; - int i; - int rv = 0; - - if (lut->rit[0].inited == 0) { - for (i = 0; i < lut->inputChan; i++) { - rv = icmTable_setup_bwd(icp, &lut->rit[i], lut->inputEnt, - lut->inputTable + i * lut->inputEnt); - if (rv != 0) { - sprintf(icp->err,"icc_Lut_inv_input: Malloc failure in inverse lookup init."); - return icp->errc = rv; - } - } - } - - p->in_normf(out, in); /* Normalize from input color space */ - for (i = 0; i < lut->inputChan; i++) { - /* Reverse lookup though input tables */ - rv |= icmTable_lookup_bwd(&lut->rit[i], &out[i], &out[i]); - } - p->in_denormf(out,out); /* De-normalize to input color space */ - return rv; -} - -/* Possible inverse matrix lookup */ -static int icmLuLut_inv_matrix(icmLuLut *p, double *out, double *in) { - icc *icp = p->icp; - icmLut *lut = p->lut; - int rv = 0; - - if (p->usematrix) { - double tt[3]; - if (p->imx_valid == 0) { - if (icmInverse3x3(p->imx, lut->e) != 0) { /* Compute inverse */ - sprintf(icp->err,"icc_new_iccLuMatrix: Matrix wasn't invertable"); - icp->errc = 2; - return 2; - } - p->imx_valid = 1; - } - /* Matrix multiply */ - tt[0] = p->imx[0][0] * in[0] + p->imx[0][1] * in[1] + p->imx[0][2] * in[2]; - tt[1] = p->imx[1][0] * in[0] + p->imx[1][1] * in[1] + p->imx[1][2] * in[2]; - tt[2] = p->imx[2][0] * in[0] + p->imx[2][1] * in[1] + p->imx[2][2] * in[2]; - out[0] = tt[0], out[1] = tt[1], out[2] = tt[2]; - } else if (out != in) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) - out[i] = in[i]; - } - return rv; -} - -static int icmLuLut_inv_in_abs(icmLuLut *p, double *out, double *in) { - icmLut *lut = p->lut; - int rv = 0; - - DBLLL(("icm inv_in_abs: input %s\n",icmPdv(lut->inputChan, in))); - if (out != in) { - unsigned int i; - for (i = 0; i < lut->inputChan; i++) /* Don't alter input values */ - out[i] = in[i]; - } - - /* If Bwd Lut, take care of Absolute color space, and */ - /* convert from native to effective input space */ - if ((p->function == icmBwd || p->function == icmGamut || p->function == icmPreview) - && (p->intent == icAbsoluteColorimetric - || p->intent == icmAbsolutePerceptual - || p->intent == icmAbsoluteSaturation)) { - - if (p->inSpace == icSigLabData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm inv_in_abs: after Lab2XYZ %s\n",icmPdv(lut->inputChan, out))); - } - - /* Convert from Relative to Absolute colorimetric XYZ */ - icmMulBy3x3(out, p->toAbs, out); - DBLLL(("icm inv_in_abs: after toAbs %s\n",icmPdv(lut->inputChan, out))); - - if (p->e_inSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm inv_in_abs: after XYZ2Lab %s\n",icmPdv(lut->inputChan, out))); - } - } else { - - /* Convert from Native to Effective input space */ - if (p->inSpace == icSigLabData && p->e_inSpace == icSigXYZData) { - icmLab2XYZ(&p->pcswht, out, out); - DBLLL(("icm inv_in_abs: after Lab2XYZ %s\n",icmPdv(lut->inputChan, out))); - } else if (p->inSpace == icSigXYZData && p->e_inSpace == icSigLabData) { - icmXYZ2Lab(&p->pcswht, out, out); - DBLLL(("icm inv_in_abs: after XYZ2Lab %s\n",icmPdv(lut->inputChan, out))); - } - } - DBLLL(("icm inv_in_abs: returning %s\n",icmPdv(lut->inputChan, out))); - return rv; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Return LuLut information */ -static void icmLuLut_get_info( - icmLuLut *p, /* this */ - icmLut **lutp, /* Pointer to icc lut type */ - icmXYZNumber *pcswhtp, /* Pointer to profile PCS white point */ - icmXYZNumber *whitep, /* Pointer to profile absolute white point */ - icmXYZNumber *blackp /* Pointer to profile absolute black point */ -) { - if (lutp != NULL) - *lutp = p->lut; - if (pcswhtp != NULL) - *pcswhtp = p->pcswht; - if (whitep != NULL) - *whitep = p->whitePoint; - if (blackp != NULL) - *blackp = p->blackPoint; -} - -/* Get the native ranges for the LuLut */ -/* This is computed differently to the mono & matrix types, to */ -/* accurately take into account the different range for 8 bit Lab */ -/* lut type. The range returned for the effective PCS is not so accurate. */ -static void -icmLuLut_get_lutranges ( - struct _icmLuBase *pp, - double *inmin, double *inmax, /* Return maximum range of inspace values */ - double *outmin, double *outmax /* Return maximum range of outspace values */ -) { - icmLuLut *p = (icmLuLut *)pp; - unsigned int i; - - for (i = 0; i < p->lut->inputChan; i++) { - inmin[i] = 0.0; /* Normalized range of input space values */ - inmax[i] = 1.0; - } - p->in_denormf(inmin,inmin); /* Convert to real colorspace range */ - p->in_denormf(inmax,inmax); - - /* Make sure min and max are so. */ - for (i = 0; i < p->lut->inputChan; i++) { - if (inmin[i] > inmax[i]) { - double tt; - tt = inmin[i]; - inmin[i] = inmax[i]; - inmax[i] = tt; - } - } - - for (i = 0; i < p->lut->outputChan; i++) { - outmin[i] = 0.0; /* Normalized range of output space values */ - outmax[i] = 1.0; - } - p->out_denormf(outmin,outmin); /* Convert to real colorspace range */ - p->out_denormf(outmax,outmax); - - /* Make sure min and max are so. */ - for (i = 0; i < p->lut->outputChan; i++) { - if (outmin[i] > outmax[i]) { - double tt; - tt = outmin[i]; - outmin[i] = outmax[i]; - outmax[i] = tt; - } - } -} - -/* Get the effective (externaly visible) ranges for the LuLut */ -/* This will be accurate if there is no override, but only */ -/* aproximate if a PCS override is in place. */ -static void -icmLuLut_get_ranges ( - struct _icmLuBase *pp, - double *inmin, double *inmax, /* Return maximum range of inspace values */ - double *outmin, double *outmax /* Return maximum range of outspace values */ -) { - icmLuLut *p = (icmLuLut *)pp; - - /* Get the native ranges first */ - icmLuLut_get_lutranges(pp, inmin, inmax, outmin, outmax); - - /* And replace them if the effective space is different */ - if (p->e_inSpace != p->inSpace) - getRange(p->icp, p->e_inSpace, p->lut->ttype, inmin, inmax); - - if (p->e_outSpace != p->outSpace) - getRange(p->icp, p->e_outSpace, p->lut->ttype, outmin, outmax); -} - -/* Return the underlying Lut matrix */ -static void -icmLuLut_get_matrix ( - struct _icmLuLut *p, - double m[3][3] -) { - int i, j; - icmLut *lut = p->lut; - - if (p->usematrix) { - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - m[i][j] = lut->e[i][j]; /* Copy from Lut */ - - } else { /* return unity matrix */ - icmSetUnity3x3(m); - } -} - - -static void -icmLuLut_delete( -icmLuBase *p -) { - icc *icp = p->icp; - - icp->al->free(icp->al, p); -} - -icmLuBase * -icc_new_icmLuLut( - icc *icp, - icTagSignature ttag, /* Target Lut tag */ - icColorSpaceSignature inSpace, /* Native Input color space */ - icColorSpaceSignature outSpace, /* Native Output color space */ - icColorSpaceSignature pcs, /* Native PCS (from header) */ - icColorSpaceSignature e_inSpace, /* Effective Input color space */ - icColorSpaceSignature e_outSpace, /* Effective Output color space */ - icColorSpaceSignature e_pcs, /* Effective PCS */ - icRenderingIntent intent, /* Rendering intent (For absolute) */ - icmLookupFunc func /* Functionality requested (for icmLuSpaces()) */ -) { - icmLuLut *p; - - if ((p = (icmLuLut *) icp->al->calloc(icp->al,1,sizeof(icmLuLut))) == NULL) - return NULL; - p->ttype = icmLutType; - p->icp = icp; - p->del = icmLuLut_delete; - p->lutspaces= icmLutSpaces; - p->spaces = icmLuSpaces; - p->XYZ_Rel2Abs = icmLuXYZ_Rel2Abs; - p->XYZ_Abs2Rel = icmLuXYZ_Abs2Rel; - p->init_wh_bk = icmLuInit_Wh_bk; - p->wh_bk_points = icmLuWh_bk_points; - p->lu_wh_bk_points = icmLuLu_wh_bk_points; - - p->lookup = icmLuLut_lookup; - p->lookup_in = icmLuLut_lookup_in; - p->lookup_core = icmLuLut_lookup_core; - p->lookup_out = icmLuLut_lookup_out; - p->lookup_inv_in = icmLuLut_lookup_inv_in; - - p->in_abs = icmLuLut_in_abs; - p->matrix = icmLuLut_matrix; - p->input = icmLuLut_input; - p->clut = icmLuLut_clut; - p->output = icmLuLut_output; - p->out_abs = icmLuLut_out_abs; - - p->inv_in_abs = icmLuLut_inv_in_abs; - p->inv_matrix = icmLuLut_inv_matrix; - p->inv_input = icmLuLut_inv_input; - p->inv_output = icmLuLut_inv_output; - p->inv_out_abs = icmLuLut_inv_out_abs; - - p->pcswht = icp->header->illuminant; - p->intent = intent; /* used to trigger absolute processing */ - p->function = func; - p->inSpace = inSpace; - p->outSpace = outSpace; - p->pcs = pcs; - p->e_inSpace = e_inSpace; - p->e_outSpace = e_outSpace; - p->e_pcs = e_pcs; - p->get_info = icmLuLut_get_info; - p->get_lutranges = icmLuLut_get_lutranges; - p->get_ranges = icmLuLut_get_ranges; - p->get_matrix = icmLuLut_get_matrix; - - /* Lookup the white and black points */ - if (p->init_wh_bk((icmLuBase *)p)) { - p->del((icmLuBase *)p); - return NULL; - } - - /* Get the Lut tag, & check that it is expected type */ - if ((p->lut = (icmLut *)icp->read_tag(icp, ttag)) == NULL - || (p->lut->ttype != icSigLut8Type && p->lut->ttype != icSigLut16Type)) { - p->del((icmLuBase *)p); - return NULL; - } - - /* Check if matrix should be used */ - if (inSpace == icSigXYZData && p->lut->nu_matrix(p->lut)) - p->usematrix = 1; - else - p->usematrix = 0; - - /* Lookup input color space to normalized index function */ - if (getNormFunc(icp, inSpace, p->lut->ttype, icmToLuti, &p->in_normf)) { - sprintf(icp->err,"icc_get_luobj: Unknown colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - - /* Lookup normalized index to input color space function */ - if (getNormFunc(icp, inSpace, p->lut->ttype, icmFromLuti, &p->in_denormf)) { - sprintf(icp->err,"icc_get_luobj: Unknown colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - - /* Lookup output color space to normalized Lut entry value function */ - if (getNormFunc(icp, outSpace, p->lut->ttype, icmToLutv, &p->out_normf)) { - sprintf(icp->err,"icc_get_luobj: Unknown colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - - /* Lookup normalized Lut entry value to output color space function */ - if (getNormFunc(icp, outSpace, p->lut->ttype, icmFromLutv, &p->out_denormf)) { - sprintf(icp->err,"icc_get_luobj: Unknown colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - - /* Note that the following two are only used in computing the expected */ - /* value ranges of the effective PCS. This might not be the best way of */ - /* doing this. */ - /* Lookup normalized index to effective input color space function */ - if (getNormFunc(icp, e_inSpace, p->lut->ttype, icmFromLuti, &p->e_in_denormf)) { - sprintf(icp->err,"icc_get_luobj: Unknown effective colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - - /* Lookup normalized Lut entry value to effective output color space function */ - if (getNormFunc(icp, e_outSpace, p->lut->ttype, icmFromLutv, &p->e_out_denormf)) { - sprintf(icp->err,"icc_get_luobj: Unknown effective colorspace"); - icp->errc = 1; - p->del((icmLuBase *)p); - return NULL; - } - -// ~~~999 -#ifndef NEVER - /* Standard code */ - /* Determine appropriate clut lookup algorithm */ - { - int use_sx; /* -1 = undecided, 0 = N-linear, 1 = Simplex lookup */ - icColorSpaceSignature ins, outs; /* In and out Lut color spaces */ - int inn, outn; /* in and out number of Lut components */ - - p->lutspaces((icmLuBase *)p, &ins, &inn, &outs, &outn, NULL); - - /* Determine if the input space is "Device" like, */ - /* ie. luminance will be expected to vary most strongly */ - /* with the diagonal change in input coordinates. */ - switch(ins) { - - /* Luminence is carried by the sum of all the output channels, */ - /* so output luminence will dominantly be in diagonal direction. */ - case icSigXYZData: /* This seems to be appropriate ? */ - case icSigRgbData: - case icSigGrayData: - case icSigCmykData: - case icSigCmyData: - case icSigMch6Data: - use_sx = 1; /* Simplex interpolation is appropriate */ - break; - - /* A single channel carries the luminence information */ - case icSigLabData: - case icSigLuvData: - case icSigYCbCrData: - case icSigYxyData: - case icSigHlsData: - case icSigHsvData: - use_sx = 0; /* N-linear interpolation is appropriate */ - break; - default: - use_sx = -1; /* undecided */ - break; - } - - /* If we couldn't figure it out from the input space, */ - /* check output luminance variation with a diagonal input */ - /* change. */ - if (use_sx == -1) { - int lc; /* Luminance channel */ - - /* Determine where the luminence is carried in the output */ - switch(outs) { - - /* Luminence is carried by the sum of all the output channels */ - case icSigRgbData: - case icSigGrayData: - case icSigCmykData: - case icSigCmyData: - case icSigMch6Data: - lc = -1; /* Average all channels */ - break; - - /* A single channel carries the luminence information */ - case icSigLabData: - case icSigLuvData: - case icSigYCbCrData: - case icSigYxyData: - lc = 0; - break; - - case icSigXYZData: - case icSigHlsData: - lc = 1; - break; - - case icSigHsvData: - lc = 2; - break; - - /* default means give up and use N-linear type lookup */ - default: - lc = -2; - break; - } - - /* If we know how luminance is represented in output space */ - if (lc != -2) { - double tout1[MAX_CHAN]; /* Test output values */ - double tout2[MAX_CHAN]; - double tt, diag; - int n; - - /* Determine input space location of min and max of */ - /* given output channel (chan = -1 means average of all) */ - p->lut->min_max(p->lut, tout1, tout2, lc); - - /* Convert to vector and then calculate normalized */ - /* dot product with diagonal vector (1,1,1...) */ - for (tt = 0.0, n = 0; n < inn; n++) { - tout1[n] = tout2[n] - tout1[n]; - tt += tout1[n] * tout1[n]; - } - if (tt > 0.0) - tt = sqrt(tt); /* normalizing factor for maximum delta */ - else - tt = 1.0; /* Hmm. */ - tt *= sqrt((double)inn); /* Normalizing factor for diagonal vector */ - for (diag = 0.0, n = 0; n < outn; n++) - diag += tout1[n] / tt; - diag = fabs(diag); - - /* I'm not really convinced that this is a reliable */ - /* indicator of whether simplex interpolation should be used ... */ - /* It does seem to do the right thing with YCC space though. */ - if (diag > 0.8) /* Diagonal is dominant ? */ - use_sx = 1; - - /* If we couldn't figure it out, use N-linear interpolation */ - if (use_sx == -1) - use_sx = 0; - } - } - - if (use_sx) { - p->lookup_clut = p->lut->lookup_clut_sx; - } else { - p->lookup_clut = p->lut->lookup_clut_nl; - } - } -#else /* Development code */ - /* Determine appropriate clut lookup algorithm, */ - /* and set optimised simplex tables */ - { - int lualg = 0; /* 0 = simplex, 1 = multi-linear, 2 = optimised simlpex */ - icColorSpaceSignature ins, outs; /* In and out Lut color spaces */ - int inn, outn; /* in and out number of Lut components */ - - p->lutspaces((icmLuBase *)p, &ins, &inn, &outs, &outn, NULL); - - /* Determine which type of Lut lookup algorithm is likely to give */ - /* minimal interpolation errors. */ - /* To use the optimised simplex, we should ideally determine */ - /* the simplex cell orientation that makes the simplex split diagonal */ - /* always point towards the white or black points. */ - switch(ins) { - - case icSigXYZData: /* This seems to be appropriate ? */ - case icSigRgbData: - case icSigGrayData: - case icSigCmykData: - case icSigCmyData: - case icSigMch6Data: - lualg = 0; /* Simplex interpolation is appropriate */ - break; - - case icSigLabData: -// ~~~~9999 this isn't right! need to lookup Lab 50,0,0 through input curves then */ -/* quantize to clut nodes to figure threshold for axis flips */ - p->lut->finfo[0].fth = 0.5; p->lut->finfo[0].bthff = 0; p->lut->finfo[0].athff = 1; - p->lut->finfo[1].fth = 0.5; p->lut->finfo[1].bthff = 1; p->lut->finfo[1].athff = 0; - p->lut->finfo[2].fth = 0.5; p->lut->finfo[2].bthff = 1; p->lut->finfo[2].athff = 0; - lualg = 2; - break; - - /* !!! Should switch to optimised simplex for these too !!! */ - case icSigLuvData: - case icSigYCbCrData: - case icSigYxyData: - case icSigHlsData: - case icSigHsvData: - lualg = 1; /* Multi-linear is best as a default for these ? */ - break; - - default: - lualg = 0; /* Simplex is best if we known nothing. */ - break; - } - - if (lualg == 2) { - p->lookup_clut = icmLut_lookup_clut_osx; - } else if (lualg == 1) { - p->lookup_clut = p->lut->lookup_clut_nl; - } else { - p->lookup_clut = p->lut->lookup_clut_sx; - } - } -#endif - return (icmLuBase *)p; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Return an appropriate lookup object */ -/* Return NULL on error, and detailed error in icc */ -static icmLuBase* icc_get_luobj ( - icc *p, /* ICC */ - icmLookupFunc func, /* Conversion functionality */ - icRenderingIntent intent, /* Rendering intent, including icmAbsoluteColorimetricXYZ */ - icColorSpaceSignature pcsor,/* PCS override (0 = def) */ - icmLookupOrder order /* Conversion representation search Order */ -) { - icmLuBase *luobj = NULL; /* Lookup object to return */ - icColorSpaceSignature pcs, e_pcs; /* PCS and effective PCS */ - -#ifdef ICM_STRICT - int rv; - /* Check that the profile is legal, since we depend on it ? */ - if ((rv = check_icc_legal(p)) != 0) - return NULL; -#endif /* ICM_STRICT */ - - /* Figure out the native and effective PCS */ - e_pcs = pcs = p->header->pcs; - if (pcsor != icmSigDefaultData) - e_pcs = pcsor; /* Override */ - - /* How we expect to execute the request depends firstly on the type of profile */ - switch (p->header->deviceClass) { - case icSigInputClass: - case icSigDisplayClass: - case icSigColorSpaceClass: - - /* Look for Intent based AToBX profile + optional BToAX reverse */ - /* or for AToB0 based profile + optional BToA0 reverse */ - /* or three component matrix profile (reversable) */ - /* or momochrome table profile (reversable) */ - /* No Lut intent for ICC < V2.4, but possible for >= V2.4, */ - /* so fall back if we can't find the chosen Lut intent.. */ - /* Device <-> PCS */ - /* Determine the algorithm and set its parameters */ - - switch (func) { - icRenderingIntent fbintent; /* Fallback intent */ - icTagSignature ttag, fbtag; - - case icmFwd: /* Device to PCS */ - if (intent == icmDefaultIntent) - intent = icPerceptual; /* Make this the default */ - - switch (intent) { - case icAbsoluteColorimetric: - ttag = icSigAToB1Tag; - fbtag = icSigAToB0Tag; - fbintent = intent; - break; - case icRelativeColorimetric: - ttag = icSigAToB1Tag; - fbtag = icSigAToB0Tag; - fbintent = icmDefaultIntent; - break; - case icPerceptual: - ttag = icSigAToB0Tag; - fbtag = icSigAToB0Tag; - fbintent = icmDefaultIntent; - break; - case icSaturation: - ttag = icSigAToB2Tag; - fbtag = icSigAToB0Tag; - fbintent = icmDefaultIntent; - break; - case icmAbsolutePerceptual: /* Special icclib intent */ - ttag = icSigAToB0Tag; - fbtag = icSigAToB0Tag; - fbintent = intent; - break; - case icmAbsoluteSaturation: /* Special icclib intent */ - ttag = icSigAToB2Tag; - fbtag = icSigAToB0Tag; - fbintent = intent; - break; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent"); - p->errc = 1; - return NULL; - } - - if (order != icmLuOrdRev) { - /* Try Lut type lookup with the chosen intent first */ - if ((luobj = icc_new_icmLuLut(p, ttag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* Try the fallback tag */ - if ((luobj = icc_new_icmLuLut(p, fbtag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - fbintent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - } else { - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* Try Lut type lookup last */ - if ((luobj = icc_new_icmLuLut(p, ttag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* Try the fallback tag */ - if ((luobj = icc_new_icmLuLut(p, fbtag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - fbintent, func)) != NULL) - break; - } - break; - - case icmBwd: /* PCS to Device */ - if (intent == icmDefaultIntent) - intent = icPerceptual; /* Make this the default */ - - switch (intent) { - case icAbsoluteColorimetric: - ttag = icSigBToA1Tag; - fbtag = icSigBToA0Tag; - fbintent = intent; - break; - case icRelativeColorimetric: - ttag = icSigBToA1Tag; - fbtag = icSigBToA0Tag; - fbintent = icmDefaultIntent; - break; - case icPerceptual: - ttag = icSigBToA0Tag; - fbtag = icSigBToA0Tag; - fbintent = icmDefaultIntent; - break; - case icSaturation: - ttag = icSigBToA2Tag; - fbtag = icSigBToA0Tag; - fbintent = icmDefaultIntent; - break; - case icmAbsolutePerceptual: /* Special icclib intent */ - ttag = icSigBToA0Tag; - fbtag = icSigBToA0Tag; - fbintent = intent; - break; - case icmAbsoluteSaturation: /* Special icclib intent */ - ttag = icSigBToA2Tag; - fbtag = icSigBToA0Tag; - fbintent = intent; - break; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent"); - p->errc = 1; - return NULL; - } - - - if (order != icmLuOrdRev) { - /* Try Lut type lookup first */ - if ((luobj = icc_new_icmLuLut(p, ttag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* Try the fallback Lut */ - if ((luobj = icc_new_icmLuLut(p, fbtag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - fbintent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - } else { - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* Try Lut type lookup last */ - if ((luobj = icc_new_icmLuLut(p, ttag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* Try the fallback Lut */ - if ((luobj = icc_new_icmLuLut(p, fbtag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - fbintent, func)) != NULL) - break; - } - break; - - default: - sprintf(p->err,"icc_get_luobj: Inaproptiate function requested"); - p->errc = 1; - return NULL; - } - break; - - case icSigOutputClass: - /* Expect BToA Lut and optional AToB Lut, All intents, expect gamut */ - /* or momochrome table profile (reversable) */ - /* Device <-> PCS */ - /* Gamut Lut - no intent */ - /* Optional preview links PCS <-> PCS */ - - /* Determine the algorithm and set its parameters */ - switch (func) { - icTagSignature ttag; - - case icmFwd: /* Device to PCS */ - - if (intent == icmDefaultIntent) - intent = icPerceptual; /* Make this the default */ - - switch (intent) { - case icRelativeColorimetric: - case icAbsoluteColorimetric: - ttag = icSigAToB1Tag; - break; - case icPerceptual: - case icmAbsolutePerceptual: /* Special icclib intent */ - ttag = icSigAToB0Tag; - break; - case icSaturation: - case icmAbsoluteSaturation: /* Special icclib intent */ - ttag = icSigAToB2Tag; - break; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent"); - p->errc = 1; - return NULL; - } - - if (order != icmLuOrdRev) { - /* Try Lut type lookup first */ - if ((luobj = icc_new_icmLuLut(p, ttag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) { - break; - } - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - } else { - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixFwd(p, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - - /* Try Lut type lookup last */ - if ((luobj = icc_new_icmLuLut(p, ttag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, e_pcs, e_pcs, - intent, func)) != NULL) - break; - } - break; - - case icmBwd: /* PCS to Device */ - - if (intent == icmDefaultIntent) - intent = icPerceptual; /* Make this the default */ - - switch (intent) { - case icRelativeColorimetric: - case icAbsoluteColorimetric: - ttag = icSigBToA1Tag; - break; - case icPerceptual: - case icmAbsolutePerceptual: /* Special icclib intent */ - ttag = icSigBToA0Tag; - break; - case icSaturation: - case icmAbsoluteSaturation: /* Special icclib intent */ - ttag = icSigBToA2Tag; - break; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent"); - p->errc = 1; - return NULL; - } - - if (order != icmLuOrdRev) { - /* Try Lut type lookup first */ - if ((luobj = icc_new_icmLuLut(p, ttag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - } else { - /* See if it could be a monochrome lookup */ - if ((luobj = new_icmLuMonoBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* See if it could be a matrix lookup */ - if ((luobj = new_icmLuMatrixBwd(p, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - - /* Try Lut type lookup last */ - if ((luobj = icc_new_icmLuLut(p, ttag, - pcs, p->header->colorSpace, pcs, - e_pcs, p->header->colorSpace, e_pcs, - intent, func)) != NULL) - break; - } - break; - - case icmGamut: /* PCS to 1D */ - -#ifdef ICM_STRICT /* Allow only default and absolute */ - if (intent != icmDefaultIntent - && intent != icAbsoluteColorimetric) { - sprintf(p->err,"icc_get_luobj: Intent is inappropriate for Gamut table"); - p->errc = 1; - return NULL; - } -#else /* Be more forgiving */ - switch (intent) { - case icAbsoluteColorimetric: - case icmAbsolutePerceptual: /* Special icclib intent */ - case icmAbsoluteSaturation: /* Special icclib intent */ - break; - case icmDefaultIntent: - case icRelativeColorimetric: - case icPerceptual: - case icSaturation: - intent = icmDefaultIntent; /* Make all other look like default */ - break; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent (0x%x)",intent); - p->errc = 1; - return NULL; - } - -#endif - /* If the target tag exists, and it is a Lut */ - luobj = icc_new_icmLuLut(p, icSigGamutTag, - pcs, icSigGrayData, pcs, - e_pcs, icSigGrayData, e_pcs, - intent, func); - break; - - case icmPreview: /* PCS to PCS */ - - switch (intent) { - case icRelativeColorimetric: - ttag = icSigPreview1Tag; - break; - case icPerceptual: - ttag = icSigPreview0Tag; - break; - case icSaturation: - ttag = icSigPreview2Tag; - break; - case icAbsoluteColorimetric: - case icmAbsolutePerceptual: /* Special icclib intent */ - case icmAbsoluteSaturation: /* Special icclib intent */ - sprintf(p->err,"icc_get_luobj: Intent is inappropriate for preview table"); - p->errc = 1; - return NULL; - default: - sprintf(p->err,"icc_get_luobj: Unknown intent"); - p->errc = 1; - return NULL; - } - - /* If the target tag exists, and it is a Lut */ - luobj = icc_new_icmLuLut(p, ttag, - pcs, pcs, pcs, - e_pcs, e_pcs, e_pcs, - intent, func); - break; - - default: - sprintf(p->err,"icc_get_luobj: Inaproptiate function requested"); - p->errc = 1; - return NULL; - } - break; - - case icSigLinkClass: - /* Expect AToB0 Lut and optional BToA0 Lut, One intent in header */ - /* Device <-> Device */ - - if (intent != p->header->renderingIntent - && intent != icmDefaultIntent) { - sprintf(p->err,"icc_get_luobj: Intent is inappropriate for Link profile"); - p->errc = 1; - return NULL; - } - intent = p->header->renderingIntent; - - /* Determine the algorithm and set its parameters */ - switch (func) { - case icmFwd: /* Device to PCS (== Device) */ - - luobj = icc_new_icmLuLut(p, icSigAToB0Tag, - p->header->colorSpace, pcs, pcs, - p->header->colorSpace, pcs, pcs, - intent, func); - break; - - case icmBwd: /* PCS (== Device) to Device */ - - luobj = icc_new_icmLuLut(p, icSigBToA0Tag, - pcs, p->header->colorSpace, pcs, - pcs, p->header->colorSpace, pcs, - intent, func); - break; - - default: - sprintf(p->err,"icc_get_luobj: Inaproptiate function requested"); - p->errc = 1; - return NULL; - } - break; - - case icSigAbstractClass: - /* Expect AToB0 Lut and option BToA0 Lut, with either relative or absolute intent. */ - /* PCS <-> PCS */ - /* Determine the algorithm and set its parameters */ - - if (intent != icmDefaultIntent - && intent != icRelativeColorimetric - && intent != icAbsoluteColorimetric) { - sprintf(p->err,"icc_get_luobj: Intent is inappropriate for Abstract profile"); - p->errc = 1; - return NULL; - } - - switch (func) { - case icmFwd: /* PCS (== Device) to PCS */ - - luobj = icc_new_icmLuLut(p, icSigAToB0Tag, - p->header->colorSpace, pcs, pcs, - e_pcs, e_pcs, e_pcs, - intent, func); - break; - - case icmBwd: /* PCS to PCS (== Device) */ - - luobj = icc_new_icmLuLut(p, icSigBToA0Tag, - pcs, p->header->colorSpace, pcs, - e_pcs, e_pcs, e_pcs, - intent, func); - break; - - default: - sprintf(p->err,"icc_get_luobj: Inaproptiate function requested"); - p->errc = 1; - return NULL; - } - break; - - case icSigNamedColorClass: - /* Expect Name -> Device, Optional PCS */ - /* and a reverse lookup would be useful */ - /* (ie. PCS or Device coords to closest named color) */ - /* ~~ to be implemented ~~ */ - - /* ~~ Absolute intent is valid for processing of */ - /* PCS from named Colors. Also allow for e_pcs */ - if (intent != icmDefaultIntent - && intent != icRelativeColorimetric - && intent != icAbsoluteColorimetric) { - sprintf(p->err,"icc_get_luobj: Intent is inappropriate for Named Color profile"); - p->errc = 1; - return NULL; - } - - sprintf(p->err,"icc_get_luobj: Named Colors not handled yet"); - p->errc = 1; - return NULL; - - default: - sprintf(p->err,"icc_get_luobj: Unknown profile class"); - p->errc = 1; - return NULL; - } - - if (luobj == NULL) { - sprintf(p->err,"icc_get_luobj: Unable to locate usable conversion"); - p->errc = 1; - } else { - luobj->order = order; - } - - return luobj; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Returns total ink limit and channel maximums. */ -/* Returns -1.0 if not applicable for this type of profile. */ -/* Returns -1.0 for grey, additive, or any profiles < 4 channels. */ -/* This is a place holder that uses a heuristic, */ -/* until there is a private or standard tag for this information */ -static double icm_get_tac( /* return TAC */ -icc *p, -double *chmax, /* device return channel sums. May be NULL */ -void (*calfunc)(void *cntx, double *out, double *in), /* Optional calibration func. */ -void *cntx -) { - icmHeader *rh = p->header; - icmLuBase *luo; - icmLuLut *ll; - icmLut *lut; - icColorSpaceSignature outs; /* Type of output space */ - int inn, outn; /* Number of components */ - icmLuAlgType alg; /* Type of lookup algorithm */ - double tac = 0.0; - double max[MAX_CHAN]; /* Channel maximums */ - int i, f; - unsigned int uf; - int size; /* Lut table size */ - double *gp; /* Pointer to grid cube base */ - - /* If not something that can really have a TAC */ - if (rh->deviceClass != icSigDisplayClass - && rh->deviceClass != icSigOutputClass - && rh->deviceClass != icSigLinkClass) { - return -1.0; - } - - /* If not a suitable color space */ - switch (rh->colorSpace) { - /* Not applicable */ - case icSigXYZData: - case icSigLabData: - case icSigLuvData: - case icSigYCbCrData: - case icSigYxyData: - case icSigHsvData: - case icSigHlsData: - return -1.0; - - /* Assume no limit */ - case icSigGrayData: - case icSig2colorData: - case icSig3colorData: - case icSigRgbData: - return -1.0; - - default: - break; - } - - /* Get a PCS->device colorimetric lookup */ - if ((luo = p->get_luobj(p, icmBwd, icRelativeColorimetric, icmSigDefaultData, icmLuOrdNorm)) == NULL) { - if ((luo = p->get_luobj(p, icmBwd, icmDefaultIntent, icmSigDefaultData, icmLuOrdNorm)) == NULL) { - return -1.0; - } - } - - /* Get details of conversion (Arguments may be NULL if info not needed) */ - luo->spaces(luo, NULL, &inn, &outs, &outn, &alg, NULL, NULL, NULL, NULL); - - /* Assume any non-Lut type doesn't have a TAC */ - if (alg != icmLutType) { - return -1.0; - } - - ll = (icmLuLut *)luo; - - /* We have a Lut type. Search the lut for the largest values */ - for (f = 0; f < outn; f++) - max[f] = 0.0; - - lut = ll->lut; - gp = lut->clutTable; /* Base of grid array */ - size = sat_pow(lut->clutPoints,lut->inputChan); - for (i = 0; i < size; i++) { - double tot, vv[MAX_CHAN]; - - lut->lookup_output(lut,vv,gp); /* Lookup though output tables */ - ll->out_denormf(vv,vv); /* Normalize for output color space */ - - if (calfunc != NULL) - calfunc(cntx, vv, vv); /* Apply device calibration */ - - for (tot = 0.0, uf = 0; uf < lut->outputChan; uf++) { - tot += vv[uf]; - if (vv[uf] > max[uf]) - max[uf] = vv[uf]; - } - if (tot > tac) - tac = tot; - gp += lut->outputChan; - } - - if (chmax != NULL) { - for (f = 0; f < outn; f++) - chmax[f] = max[f]; - } - - luo->del(luo); - - return tac; -} - -/* - - - - - - - - - - - - - - - - - - - - - - - - */ - -/* Create an empty object. Return NULL on error */ -icc *new_icc_a( -icmAlloc *al /* Memory allocator */ -) { - unsigned int i; - icc *p; - - if ((p = (icc *) al->calloc(al, 1,sizeof(icc))) == NULL) { - return NULL; - } - p->ver = 0; /* default is V2 profile */ - - p->al = al; /* Heap allocator */ - - p->get_rfp = icc_get_rfp; - p->set_version = icc_set_version; - p->get_size = icc_get_size; - p->read = icc_read; - p->read_x = icc_read_x; - p->write = icc_write; - p->write_x = icc_write_x; - p->dump = icc_dump; - p->del = icc_delete; - p->add_tag = icc_add_tag; - p->link_tag = icc_link_tag; - p->find_tag = icc_find_tag; - p->read_tag = icc_read_tag; - p->read_tag_any = icc_read_tag_any; - p->rename_tag = icc_rename_tag; - p->unread_tag = icc_unread_tag; - p->read_all_tags = icc_read_all_tags; - p->delete_tag = icc_delete_tag; - p->check_id = icc_check_id; - p->get_tac = icm_get_tac; - p->get_luobj = icc_get_luobj; - p->new_clutluobj = icc_new_icmLuLut; - -#if defined(__IBMC__) && defined(_M_IX86) - _control87(EM_UNDERFLOW, EM_UNDERFLOW); -#endif - - /* Allocate a header object */ - if ((p->header = new_icmHeader(p)) == NULL) { - al->free(al, p); - return NULL; - } - - /* Values that must be set before writing */ - p->header->deviceClass = icMaxEnumClass;/* Type of profile - must be set! */ - p->header->colorSpace = icMaxEnumData; /* Clr space of data - must be set! */ - p->header->pcs = icMaxEnumData; /* PCS: XYZ or Lab - must be set! */ - p->header->renderingIntent = icMaxEnumIntent; /* Rendering intent - must be set ! */ - - /* Values that should be set before writing */ - p->header->manufacturer = -1; /* Dev manufacturer - should be set ! */ - p->header->model = -1; /* Dev model number - should be set ! */ - p->header->attributes.l = 0; /* ICC Device attributes - should set ! */ - p->header->flags = 0; /* Embedding flags - should be set ! */ - - /* Values that may be set before writing */ - p->header->attributes.h = 0; /* Dev Device attributes - may be set ! */ - p->header->creator = str2tag("argl"); /* Profile creator - Argyll - may be set ! */ - - /* Init default values in header */ - p->header->cmmId = str2tag("argl"); /* CMM for profile - Argyll CMM */ - p->header->majv = 2; /* Current version 2.2.0 */ - p->header->minv = 2; - p->header->bfv = 0; - setcur_DateTimeNumber(&p->header->date);/* Creation Date */ - p->header->platform = icSigMicrosoft; /* Primary Platform */ - p->header->illuminant = icmD50; /* Profile illuminant - D50 */ - - /* Values that will be created automatically */ - for (i = 0; i < 16; i++) - p->header->id[i] = 0; - - return p; -} - - -/* ---------------------------------------------------------- */ -/* Print an int vector to a string. */ -/* Returned static buffer is re-used every 5 calls. */ -char *icmPiv(int di, int *p) { - static char buf[5][MAX_CHAN * 16]; - static int ix = 0; - int e; - char *bp; - - if (++ix >= 5) - ix = 0; - bp = buf[ix]; - - if (di > MAX_CHAN) - di = MAX_CHAN; /* Make sure that buf isn't overrun */ - - for (e = 0; e < di; e++) { - if (e > 0) - *bp++ = ' '; - sprintf(bp, "%d", p[e]); bp += strlen(bp); - } - return buf[ix]; -} - -/* Print a double color vector to a string. */ -/* Returned static buffer is re-used every 5 calls. */ -char *icmPdv(int di, double *p) { - static char buf[5][MAX_CHAN * 16]; - static int ix = 0; - int e; - char *bp; - - if (++ix >= 5) - ix = 0; - bp = buf[ix]; - - if (di > MAX_CHAN) - di = MAX_CHAN; /* Make sure that buf isn't overrun */ - - for (e = 0; e < di; e++) { - if (e > 0) - *bp++ = ' '; - sprintf(bp, "%f", p[e]); bp += strlen(bp); - } - return buf[ix]; -} - -/* Print a float color vector to a string. */ -/* Returned static buffer is re-used every 5 calls. */ -char *icmPfv(int di, float *p) { - static char buf[5][MAX_CHAN * 16]; - static int ix = 0; - int e; - char *bp; - - if (++ix >= 5) - ix = 0; - bp = buf[ix]; - - if (di > MAX_CHAN) - di = MAX_CHAN; /* Make sure that buf isn't overrun */ - - for (e = 0; e < di; e++) { - if (e > 0) - *bp++ = ' '; - sprintf(bp, "%f", p[e]); bp += strlen(bp); - } - return buf[ix]; -} - -/* Print an 0..1 range XYZ as a D50 Lab string */ -/* Returned static buffer is re-used every 5 calls. */ -char *icmPLab(double *p) { - static char buf[5][MAX_CHAN * 16]; - static int ix = 0; - int e; - char *bp; - double lab[3]; - - if (++ix >= 5) - ix = 0; - bp = buf[ix]; - - icmXYZ2Lab(&icmD50, lab, p); - - for (e = 0; e < 3; e++) { - if (e > 0) - *bp++ = ' '; - sprintf(bp, "%f", lab[e]); bp += strlen(bp); - } - return buf[ix]; -} - - -/* ---------------------------------------------------------- */ - |