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Merge pull request #4605 from Beep6581/labgrid-reduce-range

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reduce the range of the lab grid colour toning method
This commit is contained in:
Alberto Griggio
2018-06-14 18:21:58 +02:00
committed by GitHub
parent fcf1fd0592 80d91d86fd
commit 5a2e6f5f76
5 changed files with 23 additions and 9 deletions
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9
rtengine/improcfun.cc
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@@ -5741,10 +5741,11 @@ 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)