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correcting the gamma formula

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Fathony 2022-02-25 16:11:17 +07:00 • committed by Jordan Eldredge
parent 72653760fb
commit a92ca3203c
1 changed files with 6 additions and 4 deletions
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10
packages/webamp-modern-2/src/skin/GammaGroup.ts
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@ -69,10 +69,12 @@ export default class GammaGroup {
data[i + 2] = (data[i + 2] >> 1, 0, 255); // blue
}
let [ir,ig,ib] = [data[i],data[i+1],data[i+2] ];
if(this._gray==2) ir = (ir + ig + ib)/3;
if(this._gray==1) ir = Math.max(ir,ig,ib);
ig = ir;
ib = ir;
if(this._gray != 0){
if(this._gray==2) ir = (ir + ig + ib)/3;
if(this._gray==1) ir = Math.max(ir,ig,ib);
ig = ir;
ib = ir;
}
data[i] = clamp(ir * r, 0, 255); // red
data[i + 1] = clamp(ig * g, 0, 255); // green
data[i + 2] = clamp(ib * b, 0, 255); // blue