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reduce the range of the lab grid colour toning method

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allows for more fine-tuning where it matters most
This commit is contained in:
Alberto Griggio
2018-06-13 14:14:39 +02:00
parent 09b5dca08d
commit d8bf532e47
4 changed files with 17 additions and 5 deletions
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9
rtengine/improcfun.cc
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@@ -5740,10 +5740,11 @@ 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;
float a_scale = (params->colorToning.labgridAHigh - params->colorToning.labgridALow) / factor;
float a_base = params->colorToning.labgridALow;
float b_scale = (params->colorToning.labgridBHigh - params->colorToning.labgridBLow) / factor;
float b_base = params->colorToning.labgridBLow;
const float scaling = ColorToningParams::LABGRID_CORR_SCALE;
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;
float b_base = params->colorToning.labgridBLow / scaling;
#ifdef _OPENMP
#pragma omp parallel for if (multiThread)