//
// Little cms
// Copyright (C) 1998-2007 Marti Maria
//
// 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.
//
// THIS 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 MARTI MARIA 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.
//
#include "lcms.h"
#include <stdarg.h>
// xgetopt() interface -----------------------------------------------------
extern int xoptind;
extern char *xoptarg;
extern int xopterr;
extern char SW;
int cdecl xgetopt(int argc, char *argv[], char *optionS);
// ------------------------------------------------------------------------
static char* Description = "Devicelink profile";
static int Intent = INTENT_PERCEPTUAL;
static char *cOutProf = "devicelink.icm";
static int PrecalcMode = 1;
static int NumOfGridPoints = 0;
static LCMSBOOL BlackPointCompensation = FALSE;
static int BlackPreservation = 0;
static double InkLimit = 400;
static LCMSBOOL lUse8bits = FALSE;
static LCMSBOOL TagResult = FALSE;
static LCMSBOOL NoPrelinearization = FALSE;
static
void FatalError(const char *frm, ...)
{
va_list args;
va_start(args, frm);
vfprintf(stderr, frm, args);
va_end(args);
exit(1);
}
static
void Help(int level)
{
switch(level) {
default:
case 0:
fprintf(stderr, "\nLinks two or more profiles into a single devicelink profile.\n");
fprintf(stderr, "Colorspaces must be paired except Lab/XYZ, that can be interchanged.\n");
fprintf(stderr, "\n");
fprintf(stderr, "usage: icclink [flags] <profiles>\n\n");
fprintf(stderr, "flags:\n\n");
fprintf(stderr, "%co<profile> - Output devicelink profile. [defaults to 'devicelink.icm']\n", SW);
fprintf(stderr, "%ct<0,1,2,3> - Intent (0=Perceptual, 1=Colorimetric, 2=Saturation, 3=Absolute)\n", SW);
fprintf(stderr, "%cc<0,1,2> - Precission (0=LowRes, 1=Normal, 2=Hi-res) [defaults to 1]\n", SW);
fprintf(stderr, "%cn<gridpoints> - Alternate way to set precission, number of CLUT points\n", SW);
fprintf(stderr, "%cd<description> - description text (quotes can be used)\n", SW);
fprintf(stderr, "\n%cb - Black point compensation\n", SW);
fprintf(stderr, "%cf<0,1,2> - Black preserving 0=off, 1=K ink only 2=K plane\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, "%cl - no prelinearization.\n", SW);
fprintf(stderr, "\n");
fprintf(stderr, "%ch<0,1,2,3> - More help\n", SW);
break;
case 1:
fprintf(stderr, "\nBuilt-in profiles:\n\n");
fprintf(stderr, "\t*Lab -- D50-based CIEL*a*b (PCS)\n"
"\t*XYZ -- CIE XYZ (PCS)\n"
"\t*sRGB -- sRGB color space\n"
"\t*Gray22- Monochrome of Gamma 2.2\n"
"\t*Lin2222- CMYK linearization of gamma 2.2 on each channel\n");
break;
case 2:
fprintf(stderr, "\nExamples:\n\n"
"To create 'devicelink.icm' from a.icc to b.icc:\n"
"\ticclink a.icc b.icc\n\n"
"To create 'out.icc' from sRGB to cmyk.icc:\n"
"\ticclink -o out.icc *sRGB cmyk.icc\n\n"
"To create a sRGB input profile working in Lab:\n"
"\ticclink -x -o sRGBLab.icc *sRGB *Lab\n\n"
"To create a XYZ -> sRGB output profile:\n"
"\ticclink -x -o sRGBLab.icc *XYZ *sRGB\n\n"
"To create a abstract profile doing softproof for cmyk.icc:\n"
"\ticclink -t1 -x -o softproof.icc *Lab cmyk.icc cmyk.icc *Lab\n\n"
"To create a 'grayer' sRGB input profile:\n"
"\ticclink -x -o grayer.icc *sRGB gray.icc gray.icc *Lab\n\n"
"To embed ink limiting into a cmyk output profile:\n"
"\ticclink -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,"xXH:h:8k:K:BbO:o:T:t:D:d:C:c:n:N:f:F:lL")) != EOF) {
switch (s){
case '8':
lUse8bits = TRUE;
break;
case 'd':
case 'D':
Description = xoptarg;
break;
case 'o':
case 'O':
cOutProf = xoptarg;
break;
case 't':
case 'T':
Intent = atoi(xoptarg);
if (Intent > 3) Intent = 3;
if (Intent < 0) Intent = 0;
break;
case 'c':
case 'C':
PrecalcMode = atoi(xoptarg);
if (PrecalcMode < 0 || PrecalcMode > 2)
FatalError("ERROR: Unknown precalc mode '%d'", PrecalcMode);
break;
case 'n':
case 'N':
if (PrecalcMode != 1)
FatalError("Precalc mode already specified");
NumOfGridPoints = atoi(xoptarg);
break;
case 'b':
case 'B':
BlackPointCompensation = TRUE;
break;
case 'f':
case 'F':
BlackPreservation = atoi(xoptarg);
if (BlackPreservation < 0 || BlackPreservation > 2)
FatalError("ERROR: Unknown black preservation mode '%d'", BlackPreservation);
break;
case 'k':
case 'K':
InkLimit = atof(xoptarg);
if (InkLimit < 0.0 || InkLimit > 400.0)
FatalError("Ink limit must be 0%%..400%%");
break;
case 'x':
case 'X': TagResult = TRUE;
break;
case 'h':
case 'H':
Help(atoi(xoptarg));
break;
case 'l':
case 'L': NoPrelinearization = TRUE;
break;
default:
FatalError("Unknown option - run without args to see valid ones.\n");
}
}
}
static
cmsHPROFILE OpenProfile(const char* File)
{
cmsHPROFILE h;
if (!File)
return cmsCreate_sRGBProfile();
if (stricmp(File, "*Lab") == 0)
return cmsCreateLabProfile(NULL);
if (stricmp(File, "*XYZ") == 0)
return cmsCreateXYZProfile();
if (stricmp(File, "*srgb") == 0)
return cmsCreate_sRGBProfile();
if (stricmp(File, "*Gray22") == 0) {
LPGAMMATABLE Gamma = cmsBuildGamma(256, 2.2);
cmsHPROFILE hProfile = cmsCreateGrayProfile(cmsD50_xyY(), Gamma);
cmsFreeGamma(Gamma);
return hProfile;
}
if (stricmp(File, "*Lin2222") == 0) {
LPGAMMATABLE Gamma = cmsBuildGamma(256, 2.2);
LPGAMMATABLE Gamma4[4];
cmsHPROFILE hProfile;
Gamma4[0] = Gamma4[1] = Gamma4[2] = Gamma4[3] = Gamma;
hProfile = cmsCreateLinearizationDeviceLink(icSigCmykData, Gamma4);
cmsFreeGamma(Gamma);
return hProfile;
}
h = cmsOpenProfileFromFile(File, "r");
if (cmsGetDeviceClass(h) == icSigNamedColorClass)
FatalError("ERROR: Cannot make devicelink of named color profiles!");
return h;
}
static
int MyErrorHandler(int ErrorCode, const char *ErrorText)
{
FatalError("icclink: %s", ErrorText);
return 0;
}
int main(int argc, char *argv[])
{
int i, nargs;
cmsHPROFILE Profiles[257];
cmsHPROFILE hProfile;
DWORD dwFlags = 0;
cmsHTRANSFORM hTransform;
fprintf(stderr, "little cms device link generator - v1.7\n");
HandleSwitches(argc, argv);
cmsSetErrorHandler(MyErrorHandler);
nargs = (argc - xoptind);
if (nargs < 1)
Help(0);
if (nargs > 255)
FatalError("ERROR: Holy profile! what are you trying to do with so many profiles?");
for (i=0; i < nargs; i++) {
Profiles[i] = OpenProfile(argv[i + xoptind]);
}
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("ERROR: Unknown precalculation mode '%d'", PrecalcMode);
}
if (BlackPointCompensation)
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
if (BlackPreservation > 0) {
dwFlags |= cmsFLAGS_PRESERVEBLACK;
cmsSetCMYKPreservationStrategy(BlackPreservation-1);
}
if (TagResult)
dwFlags |= cmsFLAGS_GUESSDEVICECLASS;
if (NoPrelinearization)
dwFlags |= cmsFLAGS_NOPRELINEARIZATION;
if (InkLimit != 400.0) {
cmsHPROFILE hInkLimit = cmsCreateInkLimitingDeviceLink(
cmsGetColorSpace(Profiles[nargs-1]), InkLimit);
Profiles[nargs++] = hInkLimit;
}
if (lUse8bits) dwFlags |= cmsFLAGS_NOPRELINEARIZATION;
hTransform = cmsCreateMultiprofileTransform(Profiles, nargs, 0, 0, Intent, dwFlags);
if (hTransform) {
size_t size = sizeof(int) + nargs * sizeof(cmsPSEQDESC);
LPcmsSEQ pseq = (LPcmsSEQ) _cmsMalloc(size);
ZeroMemory(pseq, size);
pseq ->n = nargs;
for (i=0; i < nargs; i++) {
strcpy(pseq ->seq[i].Manufacturer, cmsTakeManufacturer(Profiles[i]));
strcpy(pseq ->seq[1].Model, cmsTakeModel(Profiles[i]));
}
hProfile = cmsTransform2DeviceLink(hTransform, dwFlags);
cmsAddTag(hProfile, icSigProfileDescriptionTag, (LPVOID) Description);
cmsAddTag(hProfile, icSigCopyrightTag, (LPVOID) "Generated by littlecms icclink. No copyright, use freely");
cmsAddTag(hProfile, icSigProfileSequenceDescTag, (LPVOID) pseq);
if (lUse8bits) _cmsSetLUTdepth(hProfile, 8);
if (_cmsSaveProfile(hProfile, cOutProf))
fprintf(stderr, "Ok");
else
fprintf(stderr, "Error saving file!");
cmsCloseProfile(hProfile);
_cmsFree(pseq);
}
cmsDeleteTransform(hTransform);
for (i=0; i < nargs; i++) {
cmsCloseProfile(Profiles[i]);
}
return 0;
}
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