native/liblcms/cmsgamma.c

155 cmsBool _cmsRegisterParametricCurvesPlugin(cmsContext ContextID, cmsPluginBase* Data)
157     _cmsCurvesPluginChunkType* ctx = ( _cmsCurvesPluginChunkType*) _cmsContextGetClientChunk(ContextID, CurvesPlugin);
167     fl = (_cmsParametricCurvesCollection*) _cmsPluginMalloc(ContextID, sizeof(_cmsParametricCurvesCollection));
206 _cmsParametricCurvesCollection *GetParametricCurveByType(cmsContext ContextID, int Type, int* index)
210     _cmsCurvesPluginChunkType* ctx = ( _cmsCurvesPluginChunkType*) _cmsContextGetClientChunk(ContextID, CurvesPlugin);
241 cmsToneCurve* AllocateToneCurveStruct(cmsContext ContextID, cmsInt32Number nEntries,
250         cmsSignalError(ContextID, cmsERROR_RANGE, "Couldn't create tone curve of more than 65530 entries");
255         cmsSignalError(ContextID, cmsERROR_RANGE, "Couldn't create tone curve with zero segments and no table");
260     p = (cmsToneCurve*) _cmsMallocZero(ContextID, sizeof(cmsToneCurve));
269         p ->Segments = (cmsCurveSegment*) _cmsCalloc(ContextID, nSegments, sizeof(cmsCurveSegment));
272         p ->Evals    = (cmsParametricCurveEvaluator*) _cmsCalloc(ContextID, nSegments, sizeof(cmsParametricCurveEvaluator));
284        p ->Table16 = (cmsUInt16Number*)  _cmsCalloc(ContextID, nEntries, sizeof(cmsUInt16Number));
303         p ->SegInterp = (cmsInterpParams**) _cmsCalloc(ContextID, nSegments, sizeof(cmsInterpParams*));
310                 p ->SegInterp[i] = _cmsComputeInterpParams(ContextID, Segments[i].nGridPoints, 1, 1, NULL, CMS_LERP_FLAGS_FLOAT);
315                 p ->Segments[i].SampledPoints = (cmsFloat32Number*) _cmsDupMem(ContextID, Segments[i].SampledPoints, sizeof(cmsFloat32Number) * Segments[i].nGridPoints);
320             c = GetParametricCurveByType(ContextID, Segments[i].Type, NULL);
326     p ->InterpParams = _cmsComputeInterpParams(ContextID, p ->nEntries, 1, 1, p->Table16, CMS_LERP_FLAGS_16BITS);
331     if (p -> Segments) _cmsFree(ContextID, p ->Segments);
332     if (p -> Evals) _cmsFree(ContextID, p -> Evals);
333     if (p ->Table16) _cmsFree(ContextID, p ->Table16);
334     _cmsFree(ContextID, p);
648 cmsToneCurve* CMSEXPORT cmsBuildTabulatedToneCurve16(cmsContext ContextID, cmsInt32Number nEntries, const cmsUInt16Number Values[])
650     return AllocateToneCurveStruct(ContextID, nEntries, 0, NULL, Values);
662 cmsToneCurve* CMSEXPORT cmsBuildSegmentedToneCurve(cmsContext ContextID,
678     g = AllocateToneCurveStruct(ContextID, nGridPoints, nSegments, Segments, NULL);
697 cmsToneCurve* CMSEXPORT cmsBuildTabulatedToneCurveFloat(cmsContext ContextID, cmsUInt32Number nEntries, const cmsFloat32Number values[])
733     return cmsBuildSegmentedToneCurve(ContextID, 3, Seg);
741 cmsToneCurve* CMSEXPORT cmsBuildParametricToneCurve(cmsContext ContextID, cmsInt32Number Type, const cmsFloat64Number Params[])
746     _cmsParametricCurvesCollection* c = GetParametricCurveByType(ContextID, Type, &Pos);
751         cmsSignalError(ContextID, cmsERROR_UNKNOWN_EXTENSION, "Invalid parametric curve type %d", Type);
764     return cmsBuildSegmentedToneCurve(ContextID, 1, &Seg0);
770 cmsToneCurve* CMSEXPORT cmsBuildGamma(cmsContext ContextID, cmsFloat64Number Gamma)
772     return cmsBuildParametricToneCurve(ContextID, 1, &Gamma);
779     cmsContext ContextID;
783     ContextID = Curve ->InterpParams->ContextID;
788         _cmsFree(ContextID, Curve ->Table16);
797                 _cmsFree(ContextID, Curve ->Segments[i].SampledPoints);
804         _cmsFree(ContextID, Curve ->Segments);
805         _cmsFree(ContextID, Curve ->SegInterp);
809         _cmsFree(ContextID, Curve -> Evals);
811     if (Curve) _cmsFree(ContextID, Curve);
833     return  AllocateToneCurveStruct(In ->InterpParams ->ContextID, In ->nEntries, In ->nSegments, In ->Segments, In ->Table16);
841 cmsToneCurve* CMSEXPORT cmsJoinToneCurve(cmsContext ContextID,
858     Res = (cmsFloat32Number*) _cmsCalloc(ContextID, nResultingPoints, sizeof(cmsFloat32Number));
870     out = cmsBuildTabulatedToneCurveFloat(ContextID, nResultingPoints, Res);
874     if (Res != NULL) _cmsFree(ContextID, Res);
944         GetParametricCurveByType(InCurve ->InterpParams->ContextID, InCurve ->Segments[0].Type, NULL) != NULL) {
946         return cmsBuildParametricToneCurve(InCurve ->InterpParams->ContextID,
952     out = cmsBuildTabulatedToneCurve16(InCurve ->InterpParams->ContextID, nResultSamples, NULL);
1015 cmsBool smooth2(cmsContext ContextID, cmsFloat32Number w[], cmsFloat32Number y[], cmsFloat32Number z[], cmsFloat32Number lambda, int m)
1022     c = (cmsFloat32Number*) _cmsCalloc(ContextID, MAX_NODES_IN_CURVE, sizeof(cmsFloat32Number));
1023     d = (cmsFloat32Number*) _cmsCalloc(ContextID, MAX_NODES_IN_CURVE, sizeof(cmsFloat32Number));
1024     e = (cmsFloat32Number*) _cmsCalloc(ContextID, MAX_NODES_IN_CURVE, sizeof(cmsFloat32Number));
1064     if (c != NULL) _cmsFree(ContextID, c);
1065     if (d != NULL) _cmsFree(ContextID, d);
1066     if (e != NULL) _cmsFree(ContextID, e);
1084         cmsSignalError(Tab ->InterpParams->ContextID, cmsERROR_RANGE, "cmsSmoothToneCurve: too many points.");
1098     if (!smooth2(Tab ->InterpParams->ContextID, w, y, z, (cmsFloat32Number) lambda, nItems)) return FALSE;
1107             cmsSignalError(Tab ->InterpParams->ContextID, cmsERROR_RANGE, "cmsSmoothToneCurve: Non-Monotonic.");
1113         cmsSignalError(Tab ->InterpParams->ContextID, cmsERROR_RANGE, "cmsSmoothToneCurve: Degenerated, mostly zeros.");
1117         cmsSignalError(Tab ->InterpParams->ContextID, cmsERROR_RANGE, "cmsSmoothToneCurve: Degenerated, mostly poles.");