static
void* DupNamedColorList(cmsStage* mpe)
{
cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
return cmsDupNamedColorList(List);
}
// New to lcms 2.0 -- have all parameters available.
cmsHTRANSFORM CMSEXPORT cmsCreateExtendedTransform(cmsContext ContextID,
cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsUInt32Number Intents[],
cmsFloat64Number AdaptationStates[],
cmsHPROFILE hGamutProfile,
cmsUInt32Number nGamutPCSposition,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number dwFlags)
{
_cmsTRANSFORM* xform;
cmsBool FloatTransform;
cmsColorSpaceSignature EntryColorSpace;
cmsColorSpaceSignature ExitColorSpace;
cmsPipeline* Lut;
cmsUInt32Number LastIntent = Intents[nProfiles-1];
// If it is a fake transform
if (dwFlags & cmsFLAGS_NULLTRANSFORM)
{
return AllocEmptyTransform(ContextID, NULL, INTENT_PERCEPTUAL, &InputFormat, &OutputFormat, &dwFlags);
}
// If gamut check is requested, make sure we have a gamut profile
if (dwFlags & cmsFLAGS_GAMUTCHECK) {
if (hGamutProfile == NULL) dwFlags &= ~cmsFLAGS_GAMUTCHECK;
}
// On floating point transforms, inhibit optimizations
FloatTransform = (_cmsFormatterIsFloat(InputFormat) && _cmsFormatterIsFloat(OutputFormat));
if (_cmsFormatterIsFloat(InputFormat) || _cmsFormatterIsFloat(OutputFormat))
dwFlags |= cmsFLAGS_NOCACHE;
// Mark entry/exit spaces
if (!GetXFormColorSpaces(nProfiles, hProfiles, &EntryColorSpace, &ExitColorSpace)) {
cmsSignalError(ContextID, cmsERROR_NULL, "NULL input profiles on transform");
return NULL;
}
// Check if proper colorspaces
if (!IsProperColorSpace(EntryColorSpace, InputFormat)) {
cmsSignalError(ContextID, cmsERROR_COLORSPACE_CHECK, "Wrong input color space on transform");
return NULL;
}
if (!IsProperColorSpace(ExitColorSpace, OutputFormat)) {
cmsSignalError(ContextID, cmsERROR_COLORSPACE_CHECK, "Wrong output color space on transform");
return NULL;
}
// Create a pipeline with all transformations
Lut = _cmsLinkProfiles(ContextID, nProfiles, Intents, hProfiles, BPC, AdaptationStates, dwFlags);
if (Lut == NULL) {
cmsSignalError(ContextID, cmsERROR_NOT_SUITABLE, "Couldn't link the profiles");
return NULL;
}
// Check channel count
if ((cmsChannelsOf(EntryColorSpace) != cmsPipelineInputChannels(Lut)) ||
(cmsChannelsOf(ExitColorSpace) != cmsPipelineOutputChannels(Lut))) {
cmsSignalError(ContextID, cmsERROR_NOT_SUITABLE, "Channel count doesn't match. Profile is corrupted");
return NULL;
}
// All seems ok
xform = AllocEmptyTransform(ContextID, Lut, LastIntent, &InputFormat, &OutputFormat, &dwFlags);
if (xform == NULL) {
return NULL;
}
// Keep values
xform ->EntryColorSpace = EntryColorSpace;
xform ->ExitColorSpace = ExitColorSpace;
xform ->RenderingIntent = Intents[nProfiles-1];
// Create a gamut check LUT if requested
if (hGamutProfile != NULL && (dwFlags & cmsFLAGS_GAMUTCHECK))
xform ->GamutCheck = _cmsCreateGamutCheckPipeline(ContextID, hProfiles,
BPC, Intents,
AdaptationStates,
nGamutPCSposition,
hGamutProfile);
// Try to read input and output colorant table
if (cmsIsTag(hProfiles[0], cmsSigColorantTableTag)) {
// Input table can only come in this way.
xform ->InputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[0], cmsSigColorantTableTag));
}
// Output is a little bit more complex.
if (cmsGetDeviceClass(hProfiles[nProfiles-1]) == cmsSigLinkClass) {
// This tag may exist only on devicelink profiles.
if (cmsIsTag(hProfiles[nProfiles-1], cmsSigColorantTableOutTag)) {
// It may be NULL if error
xform ->OutputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[nProfiles-1], cmsSigColorantTableOutTag));
}
} else {
if (cmsIsTag(hProfiles[nProfiles-1], cmsSigColorantTableTag)) {
xform -> OutputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[nProfiles-1], cmsSigColorantTableTag));
}
}
// Store the sequence of profiles
if (dwFlags & cmsFLAGS_KEEP_SEQUENCE) {
xform ->Sequence = _cmsCompileProfileSequence(ContextID, nProfiles, hProfiles);
}
else
xform ->Sequence = NULL;
// If this is a cached transform, init first value, which is zero (16 bits only)
if (!(dwFlags & cmsFLAGS_NOCACHE)) {
memset(&xform ->Cache.CacheIn, 0, sizeof(xform ->Cache.CacheIn));
if (xform ->GamutCheck != NULL) {
TransformOnePixelWithGamutCheck(xform, xform ->Cache.CacheIn, xform->Cache.CacheOut);
}
else {
xform ->Lut ->Eval16Fn(xform ->Cache.CacheIn, xform->Cache.CacheOut, xform -> Lut->Data);
}
}
return (cmsHTRANSFORM) xform;
}
// Creates all needed color transforms
static
cmsBool OpenTransforms(void)
{
cmsHPROFILE hInput, hOutput, hProof;
cmsUInt32Number dwIn, dwOut, dwFlags;
cmsNAMEDCOLORLIST* List;
int i;
// We don't need cache
dwFlags = cmsFLAGS_NOCACHE;
if (lIsDeviceLink) {
hInput = OpenStockProfile(0, cInProf);
if (hInput == NULL) return FALSE;
hOutput = NULL;
hProof = NULL;
if (cmsGetDeviceClass(hInput) == cmsSigNamedColorClass) {
OutputColorSpace = cmsGetColorSpace(hInput);
InputColorSpace = cmsGetPCS(hInput);
}
else {
InputColorSpace = cmsGetColorSpace(hInput);
OutputColorSpace = cmsGetPCS(hInput);
}
// Read colorant tables if present
if (cmsIsTag(hInput, cmsSigColorantTableTag)) {
List = cmsReadTag(hInput, cmsSigColorantTableTag);
InputColorant = cmsDupNamedColorList(List);
InputRange = 1;
}
else InputColorant = ComponentNames(InputColorSpace, TRUE);
if (cmsIsTag(hInput, cmsSigColorantTableOutTag)){
List = cmsReadTag(hInput, cmsSigColorantTableOutTag);
OutputColorant = cmsDupNamedColorList(List);
OutputRange = 1;
}
else OutputColorant = ComponentNames(OutputColorSpace, FALSE);
}
else {
hInput = OpenStockProfile(0, cInProf);
if (hInput == NULL) return FALSE;
hOutput = OpenStockProfile(0, cOutProf);
if (hOutput == NULL) return FALSE;
hProof = NULL;
if (cmsGetDeviceClass(hInput) == cmsSigLinkClass ||
cmsGetDeviceClass(hOutput) == cmsSigLinkClass)
FatalError("Use %cl flag for devicelink profiles!\n", SW);
InputColorSpace = cmsGetColorSpace(hInput);
OutputColorSpace = cmsGetColorSpace(hOutput);
// Read colorant tables if present
if (cmsIsTag(hInput, cmsSigColorantTableTag)) {
List = cmsReadTag(hInput, cmsSigColorantTableTag);
InputColorant = cmsDupNamedColorList(List);
if (cmsNamedColorCount(InputColorant) <= 3)
SetRange(255, TRUE);
else
SetRange(1, TRUE); // Inks are already divided by 100 in the formatter
}
else InputColorant = ComponentNames(InputColorSpace, TRUE);
if (cmsIsTag(hOutput, cmsSigColorantTableTag)){
List = cmsReadTag(hOutput, cmsSigColorantTableTag);
OutputColorant = cmsDupNamedColorList(List);
if (cmsNamedColorCount(OutputColorant) <= 3)
SetRange(255, FALSE);
else
SetRange(1, FALSE); // Inks are already divided by 100 in the formatter
}
else OutputColorant = ComponentNames(OutputColorSpace, FALSE);
if (cProofing != NULL) {
hProof = OpenStockProfile(0, cProofing);
if (hProof == NULL) return FALSE;
dwFlags |= cmsFLAGS_SOFTPROOFING;
}
}
// Print information on profiles
if (Verbose > 2) {
printf("Profile:\n");
PrintProfileInformation(hInput);
if (hOutput) {
printf("Output profile:\n");
PrintProfileInformation(hOutput);
}
if (hProof != NULL) {
printf("Proofing profile:\n");
PrintProfileInformation(hProof);
}
}
// Input is always in floating point
dwIn = cmsFormatterForColorspaceOfProfile(hInput, 0, TRUE);
if (lIsDeviceLink) {
dwOut = cmsFormatterForPCSOfProfile(hInput, lIsFloat ? 0 : 2, lIsFloat);
}
else {
// 16 bits or floating point (only on output)
dwOut = cmsFormatterForColorspaceOfProfile(hOutput, lIsFloat ? 0 : 2, lIsFloat);
}
// For named color, there is a specialized formatter
if (cmsGetDeviceClass(hInput) == cmsSigNamedColorClass) {
dwOut = dwIn;
dwIn = TYPE_NAMED_COLOR_INDEX;
InputNamedColor = TRUE;
}
// Precision mode
switch (PrecalcMode) {
case 0: dwFlags |= cmsFLAGS_NOOPTIMIZE; break;
case 2: dwFlags |= cmsFLAGS_HIGHRESPRECALC; break;
case 3: dwFlags |= cmsFLAGS_LOWRESPRECALC; break;
case 1: break;
default:
FatalError("Unknown precalculation mode '%d'", PrecalcMode);
}
if (BlackPointCompensation)
dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
if (GamutCheck) {
cmsUInt16Number Alarm[cmsMAXCHANNELS];
if (hProof == NULL)
FatalError("I need proofing profile -p for gamut checking!");
for (i=0; i < cmsMAXCHANNELS; i++)
Alarm[i] = 0xFFFF;
cmsSetAlarmCodes(Alarm);
dwFlags |= cmsFLAGS_GAMUTCHECK;
}
// The main transform
hTrans = cmsCreateProofingTransform(hInput, dwIn, hOutput, dwOut, hProof, Intent, ProofingIntent, dwFlags);
if (hProof) cmsCloseProfile(hProof);
if (hTrans == NULL) return FALSE;
// PCS Dump if requested
hTransXYZ = NULL; hTransLab = NULL;
if (hOutput && Verbose > 1) {
cmsHPROFILE hXYZ = cmsCreateXYZProfile();
cmsHPROFILE hLab = cmsCreateLab4Profile(NULL);
hTransXYZ = cmsCreateTransform(hInput, dwIn, hXYZ, lIsFloat ? TYPE_XYZ_DBL : TYPE_XYZ_16, Intent, cmsFLAGS_NOCACHE);
if (hTransXYZ == NULL) return FALSE;
hTransLab = cmsCreateTransform(hInput, dwIn, hLab, lIsFloat? TYPE_Lab_DBL : TYPE_Lab_16, Intent, cmsFLAGS_NOCACHE);
if (hTransLab == NULL) return FALSE;
cmsCloseProfile(hXYZ);
cmsCloseProfile(hLab);
}
if (hInput) cmsCloseProfile(hInput);
if (hOutput) cmsCloseProfile(hOutput);
return TRUE;
}
