summaryrefslogtreecommitdiff
path: root/tiff/libtiff/tiffio.h
diff options
context:
space:
mode:
Diffstat (limited to 'tiff/libtiff/tiffio.h')
-rw-r--r--tiff/libtiff/tiffio.h526
1 files changed, 526 insertions, 0 deletions
diff --git a/tiff/libtiff/tiffio.h b/tiff/libtiff/tiffio.h
new file mode 100644
index 0000000..06ec25c
--- /dev/null
+++ b/tiff/libtiff/tiffio.h
@@ -0,0 +1,526 @@
+/* $Id: tiffio.h,v 1.56.2.4 2010-06-08 18:50:43 bfriesen Exp $ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#ifndef _TIFFIO_
+#define _TIFFIO_
+
+/*
+ * TIFF I/O Library Definitions.
+ */
+#include "tiff.h"
+#include "tiffvers.h"
+
+/*
+ * TIFF is defined as an incomplete type to hide the
+ * library's internal data structures from clients.
+ */
+typedef struct tiff TIFF;
+
+/*
+ * The following typedefs define the intrinsic size of
+ * data types used in the *exported* interfaces. These
+ * definitions depend on the proper definition of types
+ * in tiff.h. Note also that the varargs interface used
+ * to pass tag types and values uses the types defined in
+ * tiff.h directly.
+ *
+ * NB: ttag_t is unsigned int and not unsigned short because
+ * ANSI C requires that the type before the ellipsis be a
+ * promoted type (i.e. one of int, unsigned int, pointer,
+ * or double) and because we defined pseudo-tags that are
+ * outside the range of legal Aldus-assigned tags.
+ * NB: tsize_t is int32 and not uint32 because some functions
+ * return -1.
+ * NB: toff_t is not off_t for many reasons; TIFFs max out at
+ * 32-bit file offsets being the most important, and to ensure
+ * that it is unsigned, rather than signed.
+ */
+typedef uint32 ttag_t; /* directory tag */
+typedef uint16 tdir_t; /* directory index */
+typedef uint16 tsample_t; /* sample number */
+typedef uint32 tstrile_t; /* strip or tile number */
+typedef tstrile_t tstrip_t; /* strip number */
+typedef tstrile_t ttile_t; /* tile number */
+typedef int32 tsize_t; /* i/o size in bytes */
+typedef void* tdata_t; /* image data ref */
+typedef uint32 toff_t; /* file offset */
+
+#if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32))
+#define __WIN32__
+#endif
+
+/*
+ * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c
+ * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c).
+ *
+ * By default tif_unix.c is assumed.
+ */
+
+#if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows)
+# if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILEIO)
+# define AVOID_WIN32_FILEIO
+# endif
+#endif
+
+#if defined(USE_WIN32_FILEIO)
+# define VC_EXTRALEAN
+# include <windows.h>
+# ifdef __WIN32__
+DECLARE_HANDLE(thandle_t); /* Win32 file handle */
+# else
+typedef HFILE thandle_t; /* client data handle */
+# endif /* __WIN32__ */
+#else
+typedef void* thandle_t; /* client data handle */
+#endif /* USE_WIN32_FILEIO */
+
+/*
+ * Flags to pass to TIFFPrintDirectory to control
+ * printing of data structures that are potentially
+ * very large. Bit-or these flags to enable printing
+ * multiple items.
+ */
+#define TIFFPRINT_NONE 0x0 /* no extra info */
+#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
+#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
+#define TIFFPRINT_COLORMAP 0x4 /* colormap */
+#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
+#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
+#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
+
+/*
+ * Colour conversion stuff
+ */
+
+/* reference white */
+#define D65_X0 (95.0470F)
+#define D65_Y0 (100.0F)
+#define D65_Z0 (108.8827F)
+
+#define D50_X0 (96.4250F)
+#define D50_Y0 (100.0F)
+#define D50_Z0 (82.4680F)
+
+/* Structure for holding information about a display device. */
+
+typedef unsigned char TIFFRGBValue; /* 8-bit samples */
+
+typedef struct {
+ float d_mat[3][3]; /* XYZ -> luminance matrix */
+ float d_YCR; /* Light o/p for reference white */
+ float d_YCG;
+ float d_YCB;
+ uint32 d_Vrwr; /* Pixel values for ref. white */
+ uint32 d_Vrwg;
+ uint32 d_Vrwb;
+ float d_Y0R; /* Residual light for black pixel */
+ float d_Y0G;
+ float d_Y0B;
+ float d_gammaR; /* Gamma values for the three guns */
+ float d_gammaG;
+ float d_gammaB;
+} TIFFDisplay;
+
+typedef struct { /* YCbCr->RGB support */
+ TIFFRGBValue* clamptab; /* range clamping table */
+ int* Cr_r_tab;
+ int* Cb_b_tab;
+ int32* Cr_g_tab;
+ int32* Cb_g_tab;
+ int32* Y_tab;
+} TIFFYCbCrToRGB;
+
+typedef struct { /* CIE Lab 1976->RGB support */
+ int range; /* Size of conversion table */
+#define CIELABTORGB_TABLE_RANGE 1500
+ float rstep, gstep, bstep;
+ float X0, Y0, Z0; /* Reference white point */
+ TIFFDisplay display;
+ float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */
+ float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */
+ float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */
+} TIFFCIELabToRGB;
+
+/*
+ * RGBA-style image support.
+ */
+typedef struct _TIFFRGBAImage TIFFRGBAImage;
+/*
+ * The image reading and conversion routines invoke
+ * ``put routines'' to copy/image/whatever tiles of
+ * raw image data. A default set of routines are
+ * provided to convert/copy raw image data to 8-bit
+ * packed ABGR format rasters. Applications can supply
+ * alternate routines that unpack the data into a
+ * different format or, for example, unpack the data
+ * and draw the unpacked raster on the display.
+ */
+typedef void (*tileContigRoutine)
+ (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
+ unsigned char*);
+typedef void (*tileSeparateRoutine)
+ (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
+ unsigned char*, unsigned char*, unsigned char*, unsigned char*);
+/*
+ * RGBA-reader state.
+ */
+struct _TIFFRGBAImage {
+ TIFF* tif; /* image handle */
+ int stoponerr; /* stop on read error */
+ int isContig; /* data is packed/separate */
+ int alpha; /* type of alpha data present */
+ uint32 width; /* image width */
+ uint32 height; /* image height */
+ uint16 bitspersample; /* image bits/sample */
+ uint16 samplesperpixel; /* image samples/pixel */
+ uint16 orientation; /* image orientation */
+ uint16 req_orientation; /* requested orientation */
+ uint16 photometric; /* image photometric interp */
+ uint16* redcmap; /* colormap pallete */
+ uint16* greencmap;
+ uint16* bluecmap;
+ /* get image data routine */
+ int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32);
+ /* put decoded strip/tile */
+ union {
+ void (*any)(TIFFRGBAImage*);
+ tileContigRoutine contig;
+ tileSeparateRoutine separate;
+ } put;
+ TIFFRGBValue* Map; /* sample mapping array */
+ uint32** BWmap; /* black&white map */
+ uint32** PALmap; /* palette image map */
+ TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */
+ TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */
+
+ int row_offset;
+ int col_offset;
+};
+
+/*
+ * Macros for extracting components from the
+ * packed ABGR form returned by TIFFReadRGBAImage.
+ */
+#define TIFFGetR(abgr) ((abgr) & 0xff)
+#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
+#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
+#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
+
+/*
+ * A CODEC is a software package that implements decoding,
+ * encoding, or decoding+encoding of a compression algorithm.
+ * The library provides a collection of builtin codecs.
+ * More codecs may be registered through calls to the library
+ * and/or the builtin implementations may be overridden.
+ */
+typedef int (*TIFFInitMethod)(TIFF*, int);
+typedef struct {
+ char* name;
+ uint16 scheme;
+ TIFFInitMethod init;
+} TIFFCodec;
+
+#include <stdio.h>
+#include <stdarg.h>
+
+/* share internal LogLuv conversion routines? */
+#ifndef LOGLUV_PUBLIC
+#define LOGLUV_PUBLIC 1
+#endif
+
+#if !defined(__GNUC__) && !defined(__attribute__)
+# define __attribute__(x) /*nothing*/
+#endif
+
+#if defined(c_plusplus) || defined(__cplusplus)
+extern "C" {
+#endif
+typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
+typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list);
+typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t);
+typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
+typedef int (*TIFFCloseProc)(thandle_t);
+typedef toff_t (*TIFFSizeProc)(thandle_t);
+typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*);
+typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t);
+typedef void (*TIFFExtendProc)(TIFF*);
+
+extern const char* TIFFGetVersion(void);
+
+extern const TIFFCodec* TIFFFindCODEC(uint16);
+extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
+extern void TIFFUnRegisterCODEC(TIFFCodec*);
+extern int TIFFIsCODECConfigured(uint16);
+extern TIFFCodec* TIFFGetConfiguredCODECs(void);
+
+/*
+ * Auxiliary functions.
+ */
+
+extern tdata_t _TIFFmalloc(tsize_t);
+extern tdata_t _TIFFrealloc(tdata_t, tsize_t);
+extern void _TIFFmemset(tdata_t, int, tsize_t);
+extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);
+extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);
+extern void _TIFFfree(tdata_t);
+
+/*
+** Stuff, related to tag handling and creating custom tags.
+*/
+extern int TIFFGetTagListCount( TIFF * );
+extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index );
+
+#define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */
+#define TIFF_VARIABLE -1 /* marker for variable length tags */
+#define TIFF_SPP -2 /* marker for SamplesPerPixel tags */
+#define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */
+
+#define FIELD_CUSTOM 65
+
+typedef struct {
+ ttag_t field_tag; /* field's tag */
+ short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */
+ short field_writecount; /* write count/TIFF_VARIABLE */
+ TIFFDataType field_type; /* type of associated data */
+ unsigned short field_bit; /* bit in fieldsset bit vector */
+ unsigned char field_oktochange; /* if true, can change while writing */
+ unsigned char field_passcount; /* if true, pass dir count on set */
+ char *field_name; /* ASCII name */
+} TIFFFieldInfo;
+
+typedef struct _TIFFTagValue {
+ const TIFFFieldInfo *info;
+ int count;
+ void *value;
+} TIFFTagValue;
+
+extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int);
+extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType);
+extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *,
+ TIFFDataType);
+extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t);
+extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *);
+
+typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list);
+typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list);
+typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long);
+
+typedef struct {
+ TIFFVSetMethod vsetfield; /* tag set routine */
+ TIFFVGetMethod vgetfield; /* tag get routine */
+ TIFFPrintMethod printdir; /* directory print routine */
+} TIFFTagMethods;
+
+extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * );
+extern void *TIFFGetClientInfo( TIFF *, const char * );
+extern void TIFFSetClientInfo( TIFF *, void *, const char * );
+
+extern void TIFFCleanup(TIFF*);
+extern void TIFFClose(TIFF*);
+extern int TIFFFlush(TIFF*);
+extern int TIFFFlushData(TIFF*);
+extern int TIFFGetField(TIFF*, ttag_t, ...);
+extern int TIFFVGetField(TIFF*, ttag_t, va_list);
+extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...);
+extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list);
+extern int TIFFReadDirectory(TIFF*);
+extern int TIFFReadCustomDirectory(TIFF*, toff_t, const TIFFFieldInfo[],
+ size_t);
+extern int TIFFReadEXIFDirectory(TIFF*, toff_t);
+extern tsize_t TIFFScanlineSize(TIFF*);
+extern tsize_t TIFFOldScanlineSize(TIFF*);
+extern tsize_t TIFFNewScanlineSize(TIFF*);
+extern tsize_t TIFFRasterScanlineSize(TIFF*);
+extern tsize_t TIFFStripSize(TIFF*);
+extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t);
+extern tsize_t TIFFVStripSize(TIFF*, uint32);
+extern tsize_t TIFFTileRowSize(TIFF*);
+extern tsize_t TIFFTileSize(TIFF*);
+extern tsize_t TIFFVTileSize(TIFF*, uint32);
+extern uint32 TIFFDefaultStripSize(TIFF*, uint32);
+extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
+extern int TIFFFileno(TIFF*);
+extern int TIFFSetFileno(TIFF*, int);
+extern thandle_t TIFFClientdata(TIFF*);
+extern thandle_t TIFFSetClientdata(TIFF*, thandle_t);
+extern int TIFFGetMode(TIFF*);
+extern int TIFFSetMode(TIFF*, int);
+extern int TIFFIsTiled(TIFF*);
+extern int TIFFIsByteSwapped(TIFF*);
+extern int TIFFIsUpSampled(TIFF*);
+extern int TIFFIsMSB2LSB(TIFF*);
+extern int TIFFIsBigEndian(TIFF*);
+extern TIFFReadWriteProc TIFFGetReadProc(TIFF*);
+extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*);
+extern TIFFSeekProc TIFFGetSeekProc(TIFF*);
+extern TIFFCloseProc TIFFGetCloseProc(TIFF*);
+extern TIFFSizeProc TIFFGetSizeProc(TIFF*);
+extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*);
+extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*);
+extern uint32 TIFFCurrentRow(TIFF*);
+extern tdir_t TIFFCurrentDirectory(TIFF*);
+extern tdir_t TIFFNumberOfDirectories(TIFF*);
+extern uint32 TIFFCurrentDirOffset(TIFF*);
+extern tstrip_t TIFFCurrentStrip(TIFF*);
+extern ttile_t TIFFCurrentTile(TIFF*);
+extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t);
+extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t);
+extern int TIFFSetupStrips(TIFF *);
+extern int TIFFWriteCheck(TIFF*, int, const char *);
+extern void TIFFFreeDirectory(TIFF*);
+extern int TIFFCreateDirectory(TIFF*);
+extern int TIFFLastDirectory(TIFF*);
+extern int TIFFSetDirectory(TIFF*, tdir_t);
+extern int TIFFSetSubDirectory(TIFF*, uint32);
+extern int TIFFUnlinkDirectory(TIFF*, tdir_t);
+extern int TIFFSetField(TIFF*, ttag_t, ...);
+extern int TIFFVSetField(TIFF*, ttag_t, va_list);
+extern int TIFFWriteDirectory(TIFF *);
+extern int TIFFCheckpointDirectory(TIFF *);
+extern int TIFFRewriteDirectory(TIFF *);
+extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int);
+
+#if defined(c_plusplus) || defined(__cplusplus)
+extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
+extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
+extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
+extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
+extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*,
+ int = ORIENTATION_BOTLEFT, int = 0);
+#else
+extern void TIFFPrintDirectory(TIFF*, FILE*, long);
+extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t);
+extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t);
+extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
+extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int);
+#endif
+
+extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * );
+extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * );
+extern int TIFFRGBAImageOK(TIFF*, char [1024]);
+extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
+extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
+extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
+extern TIFF* TIFFOpen(const char*, const char*);
+# ifdef __WIN32__
+extern TIFF* TIFFOpenW(const wchar_t*, const char*);
+# endif /* __WIN32__ */
+extern TIFF* TIFFFdOpen(int, const char*, const char*);
+extern TIFF* TIFFClientOpen(const char*, const char*,
+ thandle_t,
+ TIFFReadWriteProc, TIFFReadWriteProc,
+ TIFFSeekProc, TIFFCloseProc,
+ TIFFSizeProc,
+ TIFFMapFileProc, TIFFUnmapFileProc);
+extern const char* TIFFFileName(TIFF*);
+extern const char* TIFFSetFileName(TIFF*, const char *);
+extern void TIFFError(const char*, const char*, ...) __attribute__((format (printf,2,3)));
+extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4)));
+extern void TIFFWarning(const char*, const char*, ...) __attribute__((format (printf,2,3)));
+extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4)));
+extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
+extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt);
+extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
+extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt);
+extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
+extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t);
+extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t);
+extern ttile_t TIFFNumberOfTiles(TIFF*);
+extern tsize_t TIFFReadTile(TIFF*,
+ tdata_t, uint32, uint32, uint32, tsample_t);
+extern tsize_t TIFFWriteTile(TIFF*,
+ tdata_t, uint32, uint32, uint32, tsample_t);
+extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t);
+extern tstrip_t TIFFNumberOfStrips(TIFF*);
+extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
+extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
+extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
+extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
+extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
+extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
+extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
+extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
+extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */
+extern void TIFFSetWriteOffset(TIFF*, toff_t);
+extern void TIFFSwabShort(uint16*);
+extern void TIFFSwabLong(uint32*);
+extern void TIFFSwabDouble(double*);
+extern void TIFFSwabArrayOfShort(uint16*, unsigned long);
+extern void TIFFSwabArrayOfTriples(uint8*, unsigned long);
+extern void TIFFSwabArrayOfLong(uint32*, unsigned long);
+extern void TIFFSwabArrayOfDouble(double*, unsigned long);
+extern void TIFFReverseBits(unsigned char *, unsigned long);
+extern const unsigned char* TIFFGetBitRevTable(int);
+
+#ifdef LOGLUV_PUBLIC
+#define U_NEU 0.210526316
+#define V_NEU 0.473684211
+#define UVSCALE 410.
+extern double LogL16toY(int);
+extern double LogL10toY(int);
+extern void XYZtoRGB24(float*, uint8*);
+extern int uv_decode(double*, double*, int);
+extern void LogLuv24toXYZ(uint32, float*);
+extern void LogLuv32toXYZ(uint32, float*);
+#if defined(c_plusplus) || defined(__cplusplus)
+extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
+extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
+extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
+extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
+extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
+#else
+extern int LogL16fromY(double, int);
+extern int LogL10fromY(double, int);
+extern int uv_encode(double, double, int);
+extern uint32 LogLuv24fromXYZ(float*, int);
+extern uint32 LogLuv32fromXYZ(float*, int);
+#endif
+#endif /* LOGLUV_PUBLIC */
+
+extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*);
+extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32,
+ float *, float *, float *);
+extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float,
+ uint32 *, uint32 *, uint32 *);
+
+extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*);
+extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32,
+ uint32 *, uint32 *, uint32 *);
+
+#if defined(c_plusplus) || defined(__cplusplus)
+}
+#endif
+
+#endif /* _TIFFIO_ */
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */