diff options
Diffstat (limited to 'thirdparty/liblcms2/src/cmscnvrt.c')
| -rw-r--r-- | thirdparty/liblcms2/src/cmscnvrt.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/thirdparty/liblcms2/src/cmscnvrt.c b/thirdparty/liblcms2/src/cmscnvrt.c index 1a93e83f..42e5f78b 100644 --- a/thirdparty/liblcms2/src/cmscnvrt.c +++ b/thirdparty/liblcms2/src/cmscnvrt.c @@ -1,7 +1,7 @@ //--------------------------------------------------------------------------------- // // Little Color Management System -// Copyright (c) 1998-2012 Marti Maria Saguer +// Copyright (c) 1998-2016 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"), @@ -269,6 +269,9 @@ cmsBool ComputeAbsoluteIntent(cmsFloat64Number AdaptationState, { cmsMAT3 Scale, m1, m2, m3, m4; + // TODO: Follow Marc Mahy's recommendation to check if CHAD is same by using M1*M2 == M2*M1. If so, do nothing. + // TODO: Add support for ArgyllArts tag + // Adaptation state if (AdaptationState == 1.0) { @@ -288,7 +291,7 @@ cmsBool ComputeAbsoluteIntent(cmsFloat64Number AdaptationState, if (AdaptationState == 0.0) { - + m1 = *ChromaticAdaptationMatrixOut; _cmsMAT3per(&m2, &m1, &Scale); // m2 holds CHAD from output white to D50 times abs. col. scaling @@ -530,7 +533,7 @@ cmsPipeline* DefaultICCintents(cmsContext ContextID, cmsHPROFILE hProfile; cmsMAT3 m; cmsVEC3 off; - cmsColorSpaceSignature ColorSpaceIn, ColorSpaceOut, CurrentColorSpace; + cmsColorSpaceSignature ColorSpaceIn, ColorSpaceOut = cmsSigLabData, CurrentColorSpace; cmsProfileClassSignature ClassSig; cmsUInt32Number i, Intent; @@ -632,6 +635,22 @@ cmsPipeline* DefaultICCintents(cmsContext ContextID, CurrentColorSpace = ColorSpaceOut; } + // Check for non-negatives clip + if (dwFlags & cmsFLAGS_NONEGATIVES) { + + if (ColorSpaceOut == cmsSigGrayData || + ColorSpaceOut == cmsSigRgbData || + ColorSpaceOut == cmsSigCmykData) { + + cmsStage* clip = _cmsStageClipNegatives(Result->ContextID, cmsChannelsOf(ColorSpaceOut)); + if (clip == NULL) goto Error; + + if (!cmsPipelineInsertStage(Result, cmsAT_END, clip)) + goto Error; + } + + } + return Result; Error: @@ -1045,7 +1064,7 @@ cmsPipeline* _cmsLinkProfiles(cmsContext ContextID, if (TheIntents[i] == INTENT_PERCEPTUAL || TheIntents[i] == INTENT_SATURATION) { // Force BPC for V4 profiles in perceptual and saturation - if (cmsGetProfileVersion(hProfiles[i]) >= 4.0) + if (cmsGetEncodedICCversion(hProfiles[i]) >= 0x4000000) BPC[i] = TRUE; } } |