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Brooke Vibber 2024-09-07 15:19:15 -07:00
parent 7a1d79fa2f
commit 34aa4f55b6
1 changed files with 3 additions and 3 deletions
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dither-image.js
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@ -79,8 +79,7 @@ class RGB {
let lm = val & 15; let lm = val & 15;
let crlv = cr ? 50 : 0; let crlv = cr ? 50 : 0;
/* let phase = ((cr - 1) * 25 - 33) * (2 * Math.PI / 360);
let phase = ((cr - 1) * 25 - 58) * (2 * Math.PI / 360);
let y = 255 * (lm + 1) / 16; let y = 255 * (lm + 1) / 16;
let i = crlv * Math.cos(phase); let i = crlv * Math.cos(phase);
@ -89,8 +88,8 @@ class RGB {
let r = y + 0.956 * i + 0.621 * q; let r = y + 0.956 * i + 0.621 * q;
let g = y - 0.272 * i - 0.647 * q; let g = y - 0.272 * i - 0.647 * q;
let b = y - 1.107 * i + 1.704 * q; let b = y - 1.107 * i + 1.704 * q;
*/
/*
// PAL // PAL
let phase = ((cr - 1) * 25.7 - 15) * (2 * Math.PI / 360); let phase = ((cr - 1) * 25.7 - 15) * (2 * Math.PI / 360);
@ -101,6 +100,7 @@ class RGB {
let r = y + 0.956 * i + 0.621 * q; let r = y + 0.956 * i + 0.621 * q;
let g = y - 0.272 * i - 0.647 * q; let g = y - 0.272 * i - 0.647 * q;
let b = y - 1.107 * i + 1.704 * q; let b = y - 1.107 * i + 1.704 * q;
*/
return new RGB(r, g, b).clamp().fromSRGB(); return new RGB(r, g, b).clamp().fromSRGB();
} }