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https://github.com/reduxjs/redux-devtools.git
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c68b34e4b8
BREAKING CHANGES: Switch from pure-color to color which could change behavior of string parsing or results. No API changes.
31 lines
712 B
TypeScript
31 lines
712 B
TypeScript
export type Color = [number, number, number];
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export function yuv2rgb(yuv: Color): Color {
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const y = yuv[0],
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u = yuv[1],
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v = yuv[2];
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let r, g, b;
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r = y * 1 + u * 0 + v * 1.13983;
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g = y * 1 + u * -0.39465 + v * -0.5806;
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b = y * 1 + u * 2.02311 + v * 0;
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r = Math.min(Math.max(0, r), 1);
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g = Math.min(Math.max(0, g), 1);
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b = Math.min(Math.max(0, b), 1);
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return [r * 255, g * 255, b * 255];
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}
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export function rgb2yuv(rgb: Color): Color {
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const r = rgb[0] / 255,
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g = rgb[1] / 255,
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b = rgb[2] / 255;
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const y = r * 0.299 + g * 0.587 + b * 0.114;
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const u = r * -0.14713 + g * -0.28886 + b * 0.436;
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const v = r * 0.615 + g * -0.51499 + b * -0.10001;
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return [y, u, v];
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}
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