// Search for a given color name (no prefix or suffix)
cmsInt32Number CMSEXPORT cmsNamedColorIndex(const cmsNAMEDCOLORLIST* NamedColorList, const char* Name)
{
int i, n;
if (NamedColorList == NULL) return -1;
n = cmsNamedColorCount(NamedColorList);
for (i=0; i < n; i++) {
if (cmsstrcasecmp(Name, NamedColorList->List[i].Name) == 0)
return i;
}
return -1;
}
static
int TransformImage(char *cDefInpProf, char *cOutProf)
{
cmsHPROFILE hIn, hOut, hProof;
cmsHTRANSFORM xform;
cmsUInt32Number wInput, wOutput;
int OutputColorSpace;
cmsUInt32Number dwFlags = 0;
cmsUInt32Number EmbedLen;
cmsUInt8Number* EmbedBuffer;
cmsSetAdaptationState(ObserverAdaptationState);
if (BlackPointCompensation) {
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
switch (PrecalcMode) {
case 0: dwFlags |= cmsFLAGS_NOOPTIMIZE; break;
case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
case 3: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
default:;
}
if (GamutCheck) {
dwFlags |= cmsFLAGS_GAMUTCHECK;
cmsSetAlarmCodes(Alarm);
}
// Take input color space
wInput = GetInputPixelType();
if (lIsDeviceLink) {
hIn = cmsOpenProfileFromFile(cDefInpProf, "r");
hOut = NULL;
hProof = NULL;
}
else {
if (!IgnoreEmbedded && read_icc_profile(&Decompressor, &EmbedBuffer, &EmbedLen))
{
hIn = cmsOpenProfileFromMem(EmbedBuffer, EmbedLen);
if (Verbose) {
fprintf(stdout, " (Embedded profile found)\n");
PrintProfileInformation(hIn);
fflush(stdout);
}
if (hIn != NULL && SaveEmbedded != NULL)
SaveMemoryBlock(EmbedBuffer, EmbedLen, SaveEmbedded);
free(EmbedBuffer);
}
else
{
// Default for ITU/Fax
if (cDefInpProf == NULL && T_COLORSPACE(wInput) == PT_Lab)
cDefInpProf = "*Lab";
if (cDefInpProf != NULL && cmsstrcasecmp(cDefInpProf, "*lab") == 0)
hIn = CreateITU2PCS_ICC();
else
hIn = OpenStockProfile(0, cDefInpProf);
}
if (cOutProf != NULL && cmsstrcasecmp(cOutProf, "*lab") == 0)
hOut = CreatePCS2ITU_ICC();
else
hOut = OpenStockProfile(0, cOutProf);
hProof = NULL;
if (cProofing != NULL) {
hProof = OpenStockProfile(0, cProofing);
if (hProof == NULL) {
FatalError("Proofing profile couldn't be read.");
}
dwFlags |= cmsFLAGS_SOFTPROOFING;
}
}
if (!hIn)
FatalError("Input profile couldn't be read.");
if (!hOut)
FatalError("Output profile couldn't be read.");
// Assure both, input profile and input JPEG are on same colorspace
if (cmsGetColorSpace(hIn) != _cmsICCcolorSpace(T_COLORSPACE(wInput)))
FatalError("Input profile is not operating in proper color space");
// Output colorspace is given by output profile
if (lIsDeviceLink) {
OutputColorSpace = GetDevicelinkColorSpace(hIn);
}
else {
OutputColorSpace = GetProfileColorSpace(hOut);
}
jpeg_copy_critical_parameters(&Decompressor, &Compressor);
WriteOutputFields(OutputColorSpace);
wOutput = ComputeOutputFormatDescriptor(wInput, OutputColorSpace);
xform = cmsCreateProofingTransform(hIn, wInput,
hOut, wOutput,
hProof, Intent,
ProofingIntent, dwFlags);
if (xform == NULL)
FatalError("Cannot transform by using the profiles");
DoTransform(xform, OutputColorSpace);
jcopy_markers_execute(&Decompressor, &Compressor);
cmsDeleteTransform(xform);
cmsCloseProfile(hIn);
cmsCloseProfile(hOut);
if (hProof) cmsCloseProfile(hProof);
return 1;
}
// Virtual profiles are handled here.
cmsHPROFILE OpenStockProfile(cmsContext ContextID, const char* File)
{
if (!File)
return cmsCreate_sRGBProfileTHR(ContextID);
if (cmsstrcasecmp(File, "*Lab2") == 0)
return cmsCreateLab2ProfileTHR(ContextID, NULL);
if (cmsstrcasecmp(File, "*Lab4") == 0)
return cmsCreateLab4ProfileTHR(ContextID, NULL);
if (cmsstrcasecmp(File, "*Lab") == 0)
return cmsCreateLab4ProfileTHR(ContextID, NULL);
if (cmsstrcasecmp(File, "*LabD65") == 0) {
cmsCIExyY D65xyY;
cmsWhitePointFromTemp( &D65xyY, 6504);
return cmsCreateLab4ProfileTHR(ContextID, &D65xyY);
}
if (cmsstrcasecmp(File, "*XYZ") == 0)
return cmsCreateXYZProfileTHR(ContextID);
if (cmsstrcasecmp(File, "*Gray22") == 0) {
cmsToneCurve* Curve = cmsBuildGamma(ContextID, 2.2);
cmsHPROFILE hProfile = cmsCreateGrayProfileTHR(ContextID, cmsD50_xyY(), Curve);
cmsFreeToneCurve(Curve);
return hProfile;
}
if (cmsstrcasecmp(File, "*Gray30") == 0) {
cmsToneCurve* Curve = cmsBuildGamma(ContextID, 3.0);
cmsHPROFILE hProfile = cmsCreateGrayProfileTHR(ContextID, cmsD50_xyY(), Curve);
cmsFreeToneCurve(Curve);
return hProfile;
}
if (cmsstrcasecmp(File, "*srgb") == 0)
return cmsCreate_sRGBProfileTHR(ContextID);
if (cmsstrcasecmp(File, "*null") == 0)
return cmsCreateNULLProfileTHR(ContextID);
if (cmsstrcasecmp(File, "*Lin2222") == 0) {
cmsToneCurve* Gamma = cmsBuildGamma(0, 2.2);
cmsToneCurve* Gamma4[4];
cmsHPROFILE hProfile;
Gamma4[0] = Gamma4[1] = Gamma4[2] = Gamma4[3] = Gamma;
hProfile = cmsCreateLinearizationDeviceLink(cmsSigCmykData, Gamma4);
cmsFreeToneCurve(Gamma);
return hProfile;
}
return cmsOpenProfileFromFileTHR(ContextID, File, "r");
}