diff options
Diffstat (limited to 'third_party/lcms/src/cmslut.c')
| -rw-r--r-- | third_party/lcms/src/cmslut.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/third_party/lcms/src/cmslut.c b/third_party/lcms/src/cmslut.c index 19d43361f0..8d5815902a 100644 --- a/third_party/lcms/src/cmslut.c +++ b/third_party/lcms/src/cmslut.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"), @@ -505,7 +505,7 @@ void* CLUTElemDup(cmsStage* mpe) goto Error; } else { NewElem ->Tab.T = (cmsUInt16Number*) _cmsDupMem(mpe ->ContextID, Data ->Tab.T, Data ->nEntries * sizeof (cmsUInt16Number)); - if (NewElem ->Tab.TFloat == NULL) + if (NewElem ->Tab.T == NULL) goto Error; } } @@ -1125,7 +1125,23 @@ cmsStage* _cmsStageNormalizeToXyzFloat(cmsContext ContextID) return mpe; } +// Clips values smaller than zero +static +void Clipper(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe) +{ + cmsUInt32Number i; + for (i = 0; i < mpe->InputChannels; i++) { + + cmsFloat32Number n = In[i]; + Out[i] = n < 0 ? 0 : n; + } +} +cmsStage* _cmsStageClipNegatives(cmsContext ContextID, int nChannels) +{ + return _cmsStageAllocPlaceholder(ContextID, cmsSigClipNegativesElemType, + nChannels, nChannels, Clipper, NULL, NULL, NULL); +} // ******************************************************************************** // Type cmsSigXYZ2LabElemType @@ -1287,7 +1303,7 @@ cmsBool BlessLUT(cmsPipeline* lut) prev = prev->Next; } } - return TRUE; + return TRUE; } @@ -1460,7 +1476,8 @@ cmsPipeline* CMSEXPORT cmsPipelineDup(const cmsPipeline* lut) First = FALSE; } else { - Anterior ->Next = NewMPE; + if (Anterior != NULL) + Anterior ->Next = NewMPE; } Anterior = NewMPE; @@ -1510,7 +1527,7 @@ int CMSEXPORT cmsPipelineInsertStage(cmsPipeline* lut, cmsStageLoc loc, cmsStage for (pt = lut ->Elements; pt != NULL; pt = pt -> Next) Anterior = pt; - + Anterior ->Next = mpe; mpe ->Next = NULL; } @@ -1519,7 +1536,7 @@ int CMSEXPORT cmsPipelineInsertStage(cmsPipeline* lut, cmsStageLoc loc, cmsStage return FALSE; } - return BlessLUT(lut); + return BlessLUT(lut); } // Unlink an element and return the pointer to it @@ -1601,7 +1618,7 @@ cmsBool CMSEXPORT cmsPipelineCat(cmsPipeline* l1, const cmsPipeline* l2) return FALSE; } - return BlessLUT(l1); + return BlessLUT(l1); } @@ -1818,3 +1835,5 @@ cmsBool CMSEXPORT cmsPipelineEvalReverseFloat(cmsFloat32Number Target[], return TRUE; } + + |