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Enable curve C=f(H)

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Desmis 2020-07-13 17:51:49 +02:00
parent 32329f306f
commit c3753fa6ff
1 changed files with 9 additions and 0 deletions
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9
rtengine/iplocallab.cc
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@ -13754,6 +13754,15 @@ void ImProcFunctions::Lab_Local(
}
if (locchCurve && CHutili && lp.qualcurvemet != 0) {//C=f(H) curve
const float rhue = xatan2f(bufcolcalcb, bufcolcalca);
const float valparam = locchCurve[500.f * Color::huelab_to_huehsv2(rhue)] - 0.5f; //get valp=f(H)
float chromaChfactor = 1.0f + valparam;
bufcolcalca *= chromaChfactor;//apply C=f(H)
bufcolcalcb *= chromaChfactor;
}
if (ctoning) {//color toning and direct change color
if (lp.gridmet == 0) {
bufcolcalca += kd * bufcolcalcL * a_scale + a_base;