static
int WriteInputMatrixShaper(cmsIOHANDLER* m, cmsHPROFILE hProfile, cmsStage* Matrix, cmsStage* Shaper)
{
cmsColorSpaceSignature ColorSpace;
int rc;
cmsCIEXYZ BlackPointAdaptedToD50;
ColorSpace = cmsGetColorSpace(hProfile);
cmsDetectBlackPoint(&BlackPointAdaptedToD50, hProfile, INTENT_RELATIVE_COLORIMETRIC, 0);
if (ColorSpace == cmsSigGrayData) {
cmsToneCurve** ShaperCurve = _cmsStageGetPtrToCurveSet(Shaper);
rc = EmitCIEBasedA(m, ShaperCurve[0], &BlackPointAdaptedToD50);
}
else
if (ColorSpace == cmsSigRgbData) {
rc = EmitCIEBasedABC(m, GetPtrToMatrix(Matrix),
_cmsStageGetPtrToCurveSet(Shaper),
&BlackPointAdaptedToD50);
}
else {
cmsSignalError(m ->ContextID, cmsERROR_COLORSPACE_CHECK, "Profile is not suitable for CSA. Unsupported colorspace.");
return 0;
}
return rc;
}
static
int EmitCIEBasedDEF(cmsIOHANDLER* m, cmsPipeline* Pipeline, int Intent, cmsCIEXYZ* BlackPoint)
{
const char* PreMaj;
const char* PostMaj;
const char* PreMin, *PostMin;
cmsStage* mpe;
mpe = Pipeline ->Elements;
switch (cmsStageInputChannels(mpe)) {
case 3:
_cmsIOPrintf(m, "[ /CIEBasedDEF\n");
PreMaj ="<";
PostMaj= ">\n";
PreMin = PostMin = "";
break;
case 4:
_cmsIOPrintf(m, "[ /CIEBasedDEFG\n");
PreMaj = "[";
PostMaj = "]\n";
PreMin = "<";
PostMin = ">\n";
break;
default:
return 0;
}
_cmsIOPrintf(m, "<<\n");
if (cmsStageType(mpe) == cmsSigCurveSetElemType) {
_cmsIOPrintf(m, "/DecodeDEF [ ");
EmitNGamma(m, cmsStageOutputChannels(mpe), _cmsStageGetPtrToCurveSet(mpe));
_cmsIOPrintf(m, "]\n");
mpe = mpe ->Next;
}
if (cmsStageType(mpe) == cmsSigCLutElemType) {
_cmsIOPrintf(m, "/Table ");
WriteCLUT(m, mpe, PreMaj, PostMaj, PreMin, PostMin, FALSE, (cmsColorSpaceSignature) 0);
_cmsIOPrintf(m, "]\n");
}
EmitLab2XYZ(m);
EmitWhiteBlackD50(m, BlackPoint);
EmitIntent(m, Intent);
_cmsIOPrintf(m, " >>\n");
_cmsIOPrintf(m, "]\n");
return 1;
}
static
int WriteInputMatrixShaper(cmsIOHANDLER* m, cmsHPROFILE hProfile, cmsStage* Matrix, cmsStage* Shaper)
{
cmsColorSpaceSignature ColorSpace;
int rc;
cmsCIEXYZ BlackPointAdaptedToD50;
ColorSpace = cmsGetColorSpace(hProfile);
cmsDetectBlackPoint(&BlackPointAdaptedToD50, hProfile, INTENT_RELATIVE_COLORIMETRIC, 0);
if (ColorSpace == cmsSigGrayData) {
cmsToneCurve** ShaperCurve = _cmsStageGetPtrToCurveSet(Shaper);
rc = EmitCIEBasedA(m, ShaperCurve[0], &BlackPointAdaptedToD50);
}
else
if (ColorSpace == cmsSigRgbData) {
cmsMAT3 Mat;
int i, j;
memmove(&Mat, GetPtrToMatrix(Matrix), sizeof(Mat));
for (i=0; i < 3; i++)
for (j=0; j < 3; j++)
Mat.v[i].n[j] *= MAX_ENCODEABLE_XYZ;
rc = EmitCIEBasedABC(m, (cmsFloat64Number *) &Mat,
_cmsStageGetPtrToCurveSet(Shaper),
&BlackPointAdaptedToD50);
}
else {
cmsSignalError(m ->ContextID, cmsERROR_COLORSPACE_CHECK, "Profile is not suitable for CSA. Unsupported colorspace.");
return 0;
}
return rc;
}