385 lines
12 KiB
C
385 lines
12 KiB
C
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//---------------------------------------------------------------------------------
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//
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// Little Color Management System
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// Copyright (c) 1998-2017 Marti Maria Saguer
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the Software
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// is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//---------------------------------------------------------------------------------
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#include "utils.h"
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// ---------------------------------------------------------------------------------
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static char* Description = "Devicelink profile";
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static char* Copyright = "No copyright, use freely";
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static int Intent = INTENT_PERCEPTUAL;
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static char* cOutProf = "devicelink.icc";
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static int PrecalcMode = 1;
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static int NumOfGridPoints = 0;
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static cmsFloat64Number ObserverAdaptationState = 1.0; // According ICC 4.2 this is the default
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static cmsBool BlackPointCompensation = FALSE;
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static cmsFloat64Number InkLimit = 400;
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static cmsBool lUse8bits = FALSE;
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static cmsBool TagResult = FALSE;
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static cmsBool KeepLinearization = FALSE;
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static cmsFloat64Number Version = 4.3;
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// The manual
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static
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int Help(int level)
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{
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switch (level) {
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default:
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case 0:
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fprintf(stderr, "\nlinkicc: Links profiles into a single devicelink.\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "usage: linkicc [flags] <profiles>\n\n");
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fprintf(stderr, "flags:\n\n");
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fprintf(stderr, "%co<profile> - Output devicelink profile. [defaults to 'devicelink.icc']\n", SW);
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PrintRenderingIntents(NULL);
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fprintf(stderr, "%cc<0,1,2> - Precision (0=LowRes, 1=Normal, 2=Hi-res) [defaults to 1]\n", SW);
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fprintf(stderr, "%cn<gridpoints> - Alternate way to set precision, number of CLUT points\n", SW);
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fprintf(stderr, "%cd<description> - description text (quotes can be used)\n", SW);
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fprintf(stderr, "%cy<copyright> - copyright notice (quotes can be used)\n", SW);
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fprintf(stderr, "\n%ck<0..400> - Ink-limiting in %% (CMYK only)\n", SW);
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fprintf(stderr, "%c8 - Creates 8-bit devicelink\n", SW);
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fprintf(stderr, "%cx - Creatively, guess deviceclass of resulting profile.\n", SW);
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fprintf(stderr, "%cb - Black point compensation\n", SW);
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fprintf(stderr, "%ca<0..1> - Observer adaptation state (abs.col. only)\n\n", SW);
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fprintf(stderr, "%cl - Use linearization curves (may affect accuracy)\n", SW);
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fprintf(stderr, "%cr<v.r> - Profile version. (CAUTION: may change the profile implementation)\n", SW);
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fprintf(stderr, "\n");
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fprintf(stderr, "Colorspaces must be paired except Lab/XYZ, that can be interchanged.\n\n");
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fprintf(stderr, "%ch<0,1,2,3> - More help\n", SW);
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break;
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case 1:
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PrintBuiltins();
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break;
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case 2:
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fprintf(stderr, "\nExamples:\n\n"
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"To create 'devicelink.icm' from a.icc to b.icc:\n"
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"\tlinkicc a.icc b.icc\n\n"
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"To create 'out.icc' from sRGB to cmyk.icc:\n"
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"\tlinkicc -o out.icc *sRGB cmyk.icc\n\n"
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"To create a sRGB input profile working in Lab:\n"
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"\tlinkicc -x -o sRGBLab.icc *sRGB *Lab\n\n"
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"To create a XYZ -> sRGB output profile:\n"
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"\tlinkicc -x -o sRGBLab.icc *XYZ *sRGB\n\n"
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"To create a abstract profile doing softproof for cmyk.icc:\n"
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"\tlinkicc -t1 -x -o softproof.icc *Lab cmyk.icc cmyk.icc *Lab\n\n"
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"To create a 'grayer' sRGB input profile:\n"
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"\tlinkicc -x -o grayer.icc *sRGB gray.icc gray.icc *Lab\n\n"
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"To embed ink limiting into a cmyk output profile:\n"
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"\tlinkicc -x -o cmyklimited.icc -k 250 cmyk.icc *Lab\n\n");
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break;
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case 3:
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fprintf(stderr, "This program is intended to be a demo of the little cms\n"
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"engine. Both lcms and this program are freeware. You can\n"
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"obtain both in source code at http://www.littlecms.com\n"
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"For suggestions, comments, bug reports etc. send mail to\n"
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"info@littlecms.com\n\n");
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}
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exit(0);
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}
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// The toggles stuff
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static
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void HandleSwitches(int argc, char *argv[])
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{
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int s;
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while ((s = xgetopt(argc,argv,"a:A:BbC:c:D:d:h:H:k:K:lLn:N:O:o:r:R:T:t:V:v:xX8y:Y:")) != EOF) {
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switch (s) {
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case 'a':
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case 'A':
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ObserverAdaptationState = atof(xoptarg);
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if (ObserverAdaptationState < 0 ||
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ObserverAdaptationState > 1.0)
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FatalError("Adaptation state should be 0..1");
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break;
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case 'b':
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case 'B':
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BlackPointCompensation = TRUE;
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break;
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case 'c':
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case 'C':
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PrecalcMode = atoi(xoptarg);
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if (PrecalcMode < 0 || PrecalcMode > 2) {
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FatalError("Unknown precalc mode '%d'", PrecalcMode);
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}
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break;
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case 'd':
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case 'D':
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// Doing that is correct and safe: Description points to memory allocated in the command line.
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// same for Copyright and output devicelink.
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Description = xoptarg;
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break;
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case 'h':
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case 'H':
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Help(atoi(xoptarg));
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return;
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case 'k':
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case 'K':
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InkLimit = atof(xoptarg);
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if (InkLimit < 0.0 || InkLimit > 400.0) {
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FatalError("Ink limit must be 0%%..400%%");
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}
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break;
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case 'l':
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case 'L': KeepLinearization = TRUE;
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break;
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case 'n':
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case 'N':
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if (PrecalcMode != 1) {
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FatalError("Precalc mode already specified");
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}
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NumOfGridPoints = atoi(xoptarg);
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break;
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case 'o':
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case 'O':
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cOutProf = xoptarg;
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break;
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case 'r':
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case 'R':
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Version = atof(xoptarg);
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if (Version < 2.0 || Version > 4.3) {
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fprintf(stderr, "WARNING: lcms was not aware of this version, tag types may be wrong!\n");
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}
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break;
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case 't':
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case 'T':
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Intent = atoi(xoptarg); // Will be validated latter on
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break;
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case 'V':
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case 'v':
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Verbose = atoi(xoptarg);
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if (Verbose < 0 || Verbose > 3) {
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FatalError("Unknown verbosity level '%d'", Verbose);
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}
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break;
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case '8':
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lUse8bits = TRUE;
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break;
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case 'y':
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case 'Y':
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Copyright = xoptarg;
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break;
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case 'x':
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case 'X': TagResult = TRUE;
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break;
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default:
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FatalError("Unknown option - run without args to see valid ones.\n");
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}
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}
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}
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// Set the copyright and description
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static
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cmsBool SetTextTags(cmsContext ContextID, cmsHPROFILE hProfile)
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{
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cmsMLU *DescriptionMLU, *CopyrightMLU;
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cmsBool rc = FALSE;
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DescriptionMLU = cmsMLUalloc(ContextID, 1);
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CopyrightMLU = cmsMLUalloc(ContextID, 1);
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if (DescriptionMLU == NULL || CopyrightMLU == NULL) goto Error;
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if (!cmsMLUsetASCII(ContextID, DescriptionMLU, "en", "US", Description)) goto Error;
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if (!cmsMLUsetASCII(ContextID, CopyrightMLU, "en", "US", Copyright)) goto Error;
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if (!cmsWriteTag(ContextID, hProfile, cmsSigProfileDescriptionTag, DescriptionMLU)) goto Error;
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if (!cmsWriteTag(ContextID, hProfile, cmsSigCopyrightTag, CopyrightMLU)) goto Error;
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rc = TRUE;
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Error:
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if (DescriptionMLU)
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cmsMLUfree(ContextID, DescriptionMLU);
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if (CopyrightMLU)
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cmsMLUfree(ContextID, CopyrightMLU);
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return rc;
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}
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int main(int argc, char *argv[])
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{
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int i, nargs, rc;
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cmsHPROFILE Profiles[257];
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cmsHPROFILE hProfile;
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cmsUInt32Number dwFlags;
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cmsHTRANSFORM hTransform = NULL;
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cmsContext ContextID = NULL;
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// Here we are
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fprintf(stderr, "little cms ICC device link generator - v2.2 [LittleCMS %2.2f]\n", LCMS_VERSION / 1000.0);
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fflush(stderr);
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// Initialize
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InitUtils(ContextID, "linkicc");
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rc = 0;
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// Get the options
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HandleSwitches(argc, argv);
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// How many profiles to link?
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nargs = (argc - xoptind);
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if (nargs < 1)
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return Help(0);
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if (nargs > 255) {
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FatalError("Holy profile! what are you trying to do with so many profiles!?");
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goto Cleanup;
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}
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// Open all profiles
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memset(Profiles, 0, sizeof(Profiles));
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for (i=0; i < nargs; i++) {
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Profiles[i] = OpenStockProfile(ContextID, argv[i + xoptind]);
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if (Profiles[i] == NULL) goto Cleanup;
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if (Verbose >= 1) {
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PrintProfileInformation(ContextID, Profiles[i]);
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}
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}
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// Ink limiting
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if (InkLimit != 400.0) {
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cmsColorSpaceSignature EndingColorSpace = cmsGetColorSpace(ContextID, Profiles[nargs-1]);
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Profiles[nargs++] = cmsCreateInkLimitingDeviceLink(ContextID, EndingColorSpace, InkLimit);
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}
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// Set the flags
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dwFlags = cmsFLAGS_KEEP_SEQUENCE;
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switch (PrecalcMode) {
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case 0: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
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case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
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case 1:
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if (NumOfGridPoints > 0)
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dwFlags |= cmsFLAGS_GRIDPOINTS(NumOfGridPoints);
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break;
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default:
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{
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FatalError("Unknown precalculation mode '%d'", PrecalcMode);
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goto Cleanup;
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}
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}
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if (BlackPointCompensation)
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dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
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if (TagResult)
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dwFlags |= cmsFLAGS_GUESSDEVICECLASS;
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if (KeepLinearization)
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dwFlags |= cmsFLAGS_CLUT_PRE_LINEARIZATION|cmsFLAGS_CLUT_POST_LINEARIZATION;
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if (lUse8bits) dwFlags |= cmsFLAGS_8BITS_DEVICELINK;
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cmsSetAdaptationState(ContextID, ObserverAdaptationState);
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// Create the color transform. Specify 0 for the format is safe as the transform
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// is intended to be used only for the devicelink.
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hTransform = cmsCreateMultiprofileTransform(ContextID, Profiles, nargs, 0, 0, Intent, dwFlags|cmsFLAGS_NOOPTIMIZE);
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if (hTransform == NULL) {
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FatalError("Transform creation failed");
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goto Cleanup;
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}
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hProfile = cmsTransform2DeviceLink(ContextID, hTransform, Version, dwFlags);
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if (hProfile == NULL) {
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FatalError("Devicelink creation failed");
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goto Cleanup;
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}
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SetTextTags(ContextID, hProfile);
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cmsSetHeaderRenderingIntent(ContextID, hProfile, Intent);
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if (cmsSaveProfileToFile(ContextID, hProfile, cOutProf)) {
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if (Verbose > 0)
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fprintf(stderr, "Ok");
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}
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else
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FatalError("Error saving file!");
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cmsCloseProfile(ContextID, hProfile);
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Cleanup:
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if (hTransform != NULL) cmsDeleteTransform(ContextID, hTransform);
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for (i=0; i < nargs; i++) {
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||
|
|
if (Profiles[i] != NULL) cmsCloseProfile(ContextID, Profiles[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return rc;
|
||
|
|
}
|