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tqc/rgbatorgb.js

Created May 1, 2012 01:39
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Convert RGBA to RGB
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rgbatorgb.js
function RGBAtoRGB(r, g, b, a, r2,g2,b2){
var r3 = Math.round(((1 - a) * r2) + (a * r))
var g3 = Math.round(((1 - a) * g2) + (a * g))
var b3 = Math.round(((1 - a) * b2) + (a * b))
return "rgb("+r3+","+g3+","+b3+")";
}
$("#result").html(RGBAtoRGB(225,110,0,0.5,255,255,255));
​
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