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imhuytq/RGBA2RGB.js

Created April 4, 2020 15:30
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RGBA2RGB
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RGBA2RGB.js
function rgba2rgb(RGB_background, RGBA_color)
{
var alpha = RGBA_color.a;
return new Color(
(1 - alpha) * RGB_background.r + alpha * RGBA_color.r,
(1 - alpha) * RGB_background.g + alpha * RGBA_color.g,
(1 - alpha) * RGB_background.b + alpha * RGBA_color.b
);
}
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