eBookReaderSwitch/thirdparty/lcms2/utils/linkicc/linkicc.c

385 lines
12 KiB
C

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