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-rw-r--r--icc/mkDispProf.c331
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diff --git a/icc/mkDispProf.c b/icc/mkDispProf.c
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+
+
+/*
+ * Create an ICC V2.4 compatible matrix display profile.
+ *
+ * Author: Graeme W. Gill
+ * Date: 8/2/2008
+ * Version: 1.00
+ *
+ * Copyright 2006 - 2014 Graeme W. Gill
+ *
+ * This material is licensed with an "MIT" free use license:-
+ * see the License.txt file in this directory for licensing details.
+ *
+ * Based on icc/lutest.c
+ */
+
+
+/*
+ * TTBD:
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <fcntl.h>
+#include <string.h>
+#include <math.h>
+#include <time.h>
+#include "icc.h"
+
+void error(char *fmt, ...), warning(char *fmt, ...);
+
+void usage(void) {
+ fprintf(stderr,"Create a Matrix Display ICC profile\n");
+ fprintf(stderr,"Author: Graeme W. Gill\n");
+ fprintf(stderr,"usage: mkDispProf [-v level] outfile\n");
+ fprintf(stderr," -v Verbose\n");
+ exit(1);
+}
+
+/* sRGB like device gamma encoded value to linear value 0.0 .. 1.0 */
+static double gdv2dv(double iv) {
+ double ov;
+
+ if (iv < 0.04045)
+ ov = iv/12.92;
+ else
+ ov = pow((iv + 0.055)/1.055, 2.4);
+ return ov;
+}
+
+int
+main(
+int argc,
+char *argv[]
+) {
+ int fa,nfa;
+ char out_name[1000];
+ icmFile *wr_fp;
+ icc *wr_icco;
+ int rv = 0;
+ int verb = 0;
+
+ if (argc < 2)
+ usage();
+
+ /* Process the arguments */
+ for(fa = 1;fa < argc;fa++) {
+ nfa = fa; /* skip to nfa if next argument is used */
+ if (argv[fa][0] == '-') { /* Look for any flags */
+ char *na = NULL; /* next argument after flag, null if none */
+
+ if (argv[fa][2] != '\000')
+ na = &argv[fa][2]; /* next is directly after flag */
+ else {
+ if ((fa+1) < argc) {
+ if (argv[fa+1][0] != '-') {
+ nfa = fa + 1;
+ na = argv[nfa]; /* next is seperate non-flag argument */
+ }
+ }
+ }
+
+ if (argv[fa][1] == '?')
+ usage();
+
+ /* Verbosity */
+ else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
+ verb = 1;
+ }
+
+ else
+ usage();
+ }
+ else
+ break;
+ }
+
+ if (fa >= argc || argv[fa][0] == '-') usage();
+ strcpy(out_name,argv[fa]);
+
+ /* ---------------------------------------- */
+ /* Create a matrix/shaper based XYZ profile */
+ /* ---------------------------------------- */
+
+ /* Open up the file for writing */
+ if ((wr_fp = new_icmFileStd_name(out_name,"w")) == NULL)
+ error ("Write: Can't open file '%s'",out_name);
+
+ if ((wr_icco = new_icc()) == NULL)
+ error ("Write: Creation of ICC object failed");
+
+ /* Add all the tags required */
+
+ /* The header: */
+ {
+ icmHeader *wh = wr_icco->header;
+
+ /* Values that must be set before writing */
+ wh->deviceClass = icSigDisplayClass;
+ wh->colorSpace = icSigRgbData; /* It's RGB space */
+ wh->pcs = icSigXYZData;
+ wh->renderingIntent = icPerceptual;
+
+ /* Values that should be set before writing */
+ wh->manufacturer = str2tag("????");
+ wh->model = str2tag("????");
+ }
+ /* Profile Description Tag: */
+ {
+ icmTextDescription *wo;
+ char *dst;
+
+ dst = "sRGB like Matrix Display profile";
+ if ((wo = (icmTextDescription *)wr_icco->add_tag(
+ wr_icco, icSigProfileDescriptionTag, icSigTextDescriptionType)) == NULL)
+ error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);
+
+ wo->size = strlen(dst)+1; /* Allocated and used size of desc, inc null */
+ wo->scCode = 0;
+ wo->scSize = strlen(dst)+1;
+ if (wo->scSize > 67)
+ error("Description scriptCode string longer than 67");
+ wo->allocate((icmBase *)wo);/* Allocate space */
+ strcpy(wo->desc, dst); /* Copy the string in */
+ strcpy((char *)wo->scDesc, dst); /* Copy the string in */
+ }
+ /* Copyright Tag: */
+ {
+ icmText *wo;
+ char *crt = "Copyright tag goes here";
+ if ((wo = (icmText *)wr_icco->add_tag(
+ wr_icco, icSigCopyrightTag, icSigTextType)) == NULL)
+ error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);
+
+ wo->size = strlen(crt)+1; /* Allocated and used size of text, inc null */
+ wo->allocate((icmBase *)wo);/* Allocate space */
+ strcpy(wo->data, crt); /* Copy the text in */
+ }
+
+ /* Could add other relevant tags here, such as:
+
+ Device Manufacturers Description Tag
+ Device Model Description Tag
+ Device technology Tag
+ Viewing conditions Description Tag
+ Viewing conditions
+ Display Luminance Tag
+ Measurement information Tag
+
+ etc.
+ */
+
+ /* Setup the primaries */
+ {
+ /* Compute primaries as XYZ */
+ icmXYZNumber wrgb[4] = { /* Primaries in Yxy from the standard */
+ { 1.0, 0.3127, 0.3290 }, /* White */
+ { 1.0, 0.6400, 0.3300 }, /* Red */
+ { 1.0, 0.3000, 0.6000 }, /* Green */
+ { 1.0, 0.1500, 0.0600 } /* Blue */
+ };
+ double mat[3][3];
+ int i;
+
+ /* Convert Yxy to XYZ */
+ for (i = 0; i < 4; i++) {
+ double v[3];
+
+ icmXYZ2Ary(v, wrgb[i]);
+ icmYxy2XYZ(v, v);
+ icmAry2XYZ(wrgb[i], v);
+ }
+
+ /* Convert XYZ to normalised 3x3 matrix */
+ icmRGBprim2matrix(wrgb[0], wrgb[1], wrgb[2], wrgb[3], mat);
+
+#ifdef NEVER /* Dump XYZ of matrix */
+ printf("sRGB: XYZ\n");
+ printf("{ %f, %f, %f }, /* Red */\n"
+ "{ %f, %f, %f }, /* Green */\n"
+ "{ %f, %f, %f }, /* Blue */\n"
+ "{ %f, %f, %f } /* White */\n",
+ mat[0][0], mat[0][1], mat[0][2],
+ mat[1][0], mat[1][1], mat[1][2],
+ mat[2][0], mat[2][1], mat[2][2],
+ wrgb[0].X, wrgb[0].Y, wrgb[0].Z);
+#endif
+
+ /* White Point Tag: */
+ {
+ icmXYZArray *wo;
+
+ if ((wo = (icmXYZArray *)wr_icco->add_tag(
+ wr_icco, icSigMediaWhitePointTag, icSigXYZArrayType)) == NULL)
+ error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);
+
+ wo->size = 1;
+ wo->allocate((icmBase *)wo); /* Allocate space */
+ wo->data[0].X = wrgb[0].X;
+ wo->data[0].Y = wrgb[0].Y;
+ wo->data[0].Z = wrgb[0].Z;
+ }
+ /* Black Point Tag: */
+ {
+ icmXYZArray *wo;
+
+ if ((wo = (icmXYZArray *)wr_icco->add_tag(
+ wr_icco, icSigMediaBlackPointTag, icSigXYZArrayType)) == NULL)
+ error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);
+
+ wo->size = 1;
+ wo->allocate((icmBase *)wo); /* Allocate space */
+ wo->data[0].X = 0.00;
+ wo->data[0].Y = 0.00;
+ wo->data[0].Z = 0.00;
+ }
+ /* Red, Green and Blue Colorant Tags: */
+ {
+ icmXYZArray *wor, *wog, *wob;
+ double fromAbs[3][3];
+ double d50m[3][3];
+
+ /* Convert to D50 adapated */
+ icmChromAdaptMatrix(ICM_CAM_BRADFORD, icmD50, wrgb[0], fromAbs);
+ icmMulBy3x3(d50m[0], fromAbs, mat[0]);
+ icmMulBy3x3(d50m[1], fromAbs, mat[1]);
+ icmMulBy3x3(d50m[2], fromAbs, mat[2]);
+
+ /* Make sure rounding doesn't wreck white point */
+ quantizeRGBprimsS15Fixed16(d50m);
+
+ if ((wor = (icmXYZArray *)wr_icco->add_tag(
+ wr_icco, icSigRedColorantTag, icSigXYZArrayType)) == NULL)
+ error("add_tag failed: %d, %s",rv,wr_icco->err);
+ if ((wog = (icmXYZArray *)wr_icco->add_tag(
+ wr_icco, icSigGreenColorantTag, icSigXYZArrayType)) == NULL)
+ error("add_tag failed: %d, %s",rv,wr_icco->err);
+ if ((wob = (icmXYZArray *)wr_icco->add_tag(
+ wr_icco, icSigBlueColorantTag, icSigXYZArrayType)) == NULL)
+ error("add_tag failed: %d, %s",rv,wr_icco->err);
+
+ wor->size = wog->size = wob->size = 1;
+ wor->allocate((icmBase *)wor); /* Allocate space */
+ wog->allocate((icmBase *)wog);
+ wob->allocate((icmBase *)wob);
+ wor->data[0].X = d50m[0][0]; wor->data[0].Y = d50m[0][1]; wor->data[0].Z = d50m[0][2];
+ wog->data[0].X = d50m[1][0]; wog->data[0].Y = d50m[1][1]; wog->data[0].Z = d50m[1][2];
+ wob->data[0].X = d50m[2][0]; wob->data[0].Y = d50m[2][1]; wob->data[0].Z = d50m[2][2];
+ }
+ }
+ /* Red, Green and Blue Gamma Curve Tags: */
+ {
+ icmCurve *wor, *wog, *wob;
+ int i;
+
+ if ((wor = (icmCurve *)wr_icco->add_tag(
+ wr_icco, icSigRedTRCTag, icSigCurveType)) == NULL)
+ error("add_tag failed: %d, %s",rv,wr_icco->err);
+ wor->flag = icmCurveSpec;
+ wor->size = 1024;
+ wor->allocate((icmBase *)wor); /* Allocate space */
+ for (i = 0; i < wor->size; i++)
+ wor->data[i] = gdv2dv(i/(wor->size-1.0));
+
+ /* Link other channels to the red */
+ if ((wog = (icmCurve *)wr_icco->link_tag(
+ wr_icco, icSigGreenTRCTag, icSigRedTRCTag)) == NULL)
+ error("link_tag failed: %d, %s",rv,wr_icco->err);
+ if ((wob = (icmCurve *)wr_icco->link_tag(
+ wr_icco, icSigBlueTRCTag, icSigRedTRCTag)) == NULL)
+ error("link_tag failed: %d, %s",rv,wr_icco->err);
+ }
+
+ /* Write the file out */
+ if ((rv = wr_icco->write(wr_icco,wr_fp,0)) != 0)
+ error ("Write file: %d, %s",rv,wr_icco->err);
+
+ wr_icco->del(wr_icco);
+ wr_fp->del(wr_fp);
+
+ return 0;
+}
+
+/* ------------------------------------------------ */
+/* Basic printf type error() and warning() routines */
+
+void
+error(char *fmt, ...) {
+ va_list args;
+
+ fprintf(stderr,"mkDispProf: Error - ");
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+ exit (-1);
+}
+
+void
+warning(char *fmt, ...) {
+ va_list args;
+
+ fprintf(stderr,"mkDispProf: Warning - ");
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+}
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