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| author | Marti Maria <info@littlecms.com> | 2011-04-12 15:48:03 +0200 |
|---|---|---|
| committer | Marti Maria <info@littlecms.com> | 2011-04-12 15:48:03 +0200 |
| commit | 97f22bda885166a18e346db8dd24bd66bc4615cd (patch) | |
| tree | df399bb7e3db23ae02b8a0b01262fe5041f6c783 /src/cmsnamed.c | |
| parent | b735a01cd82f08ef46733c9f19eb08ba1a6623af (diff) | |
| download | lcms2-97f22bda885166a18e346db8dd24bd66bc4615cd.tar.gz | |
Added named color functionality
Diffstat (limited to 'src/cmsnamed.c')
| -rw-r--r-- | src/cmsnamed.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/cmsnamed.c b/src/cmsnamed.c index d1a86b6..f4f423d 100644 --- a/src/cmsnamed.c +++ b/src/cmsnamed.c @@ -619,6 +619,24 @@ void* DupNamedColorList(cmsStage* mpe) } static +void EvalNamedColorPCS(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe) +{ + cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data; + cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0); + + if (index >= NamedColorList-> nColors) { + cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index); + } + else { + + // Named color always uses Lab + Out[0] = (cmsFloat32Number) (NamedColorList->List[index].PCS[0] / 65535.0); + Out[1] = (cmsFloat32Number) (NamedColorList->List[index].PCS[1] / 65535.0); + Out[2] = (cmsFloat32Number) (NamedColorList->List[index].PCS[2] / 65535.0); + } +} + +static void EvalNamedColor(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe) { cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data; @@ -636,12 +654,12 @@ void EvalNamedColor(const cmsFloat32Number In[], cmsFloat32Number Out[], const c // Named color lookup element -cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList) +cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList, cmsBool UsePCS) { return _cmsStageAllocPlaceholder(NamedColorList ->ContextID, cmsSigNamedColorElemType, - 1, 3, - EvalNamedColor, + 1, UsePCS ? 3 : NamedColorList ->ColorantCount, + UsePCS ? EvalNamedColorPCS : EvalNamedColor, DupNamedColorList, FreeNamedColorList, cmsDupNamedColorList(NamedColorList)); |