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Bugfix for inverse gamma in tonecurve.

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This commit is contained in:
Emil Martinec
2011-02-13 16:26:00 -06:00
parent e037c4616f
commit ed39938e55
2 changed files with 8 additions and 4 deletions
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6
rtengine/curves.cc
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@@ -404,7 +404,7 @@ void CurveFactory::complexsgnCurve (double saturation, bool satlimit, double sat
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
void CurveFactory::complexCurve (double ecomp, double black, double hlcompr, double hlcomprthresh, \
double shcompr, double br, double contr, double defmul, double gamma_, bool igamma, \
double shcompr, double br, double contr, double defmul, double gamma_, bool igamma_, \
const std::vector<double>& curvePoints, unsigned int* histogram, \
float* hlCurve, float* shCurve, int* outCurve, \
unsigned int* outBeforeCCurveHistogram, int skip) {
@@ -429,7 +429,7 @@ void CurveFactory::complexsgnCurve (double saturation, bool satlimit, double sat
bool needcontrast = contr>0.00001 || contr<-0.00001;
// check if inverse gamma is needed at the end
bool needigamma = igamma && gamma_>0;
bool needigamma = igamma_ && gamma_>0;
// create a curve if needed
Curve* tcurve = NULL;
@@ -590,7 +590,7 @@ void CurveFactory::complexsgnCurve (double saturation, bool satlimit, double sat
// if inverse gamma is needed, do it (standard sRGB inverse gamma is applied)
if (needigamma)
val = igamma2 (val);
val = igamma (val, gamma_, start, slope, mul, add);
outCurve[i] = (int) (65535.0 * val + 0.5);
}