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labgrid: work on [0,1] values

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This commit is contained in:
Alberto Griggio
2018-10-30 21:12:44 +01:00
parent fb44445f2a
commit 74a467fb4e
4 changed files with 30 additions and 21 deletions
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4
rtengine/improcfun.cc
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@@ -5782,8 +5782,8 @@ void ImProcFunctions::lab2rgb (const LabImage &src, Imagefloat &dst, const Glib:
*/
void ImProcFunctions::colorToningLabGrid(LabImage *lab, int xstart, int xend, int ystart, int yend, bool MultiThread)
{
const float factor = ColorToningParams::LABGRID_CORR_MAX * 3.f;
const float scaling = ColorToningParams::LABGRID_CORR_SCALE;
const float factor = 3.f;
const float scaling = 3.f;
float a_scale = (params->colorToning.labgridAHigh - params->colorToning.labgridALow) / factor / scaling;
float a_base = params->colorToning.labgridALow / scaling;
float b_scale = (params->colorToning.labgridBHigh - params->colorToning.labgridBLow) / factor / scaling;

2
rtengine/iplabregions.cc
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@@ -33,7 +33,7 @@ void ImProcFunctions::labColorCorrectionRegions(LabImage *lab)
return;
}
const float factor = ColorToningParams::LABGRID_CORR_MAX * 3.f;
const float factor = 3.f;
const float scaling = 1.f;
int n = params->colorToning.labregions.size();