RGBA mask

by alex_o

JavaScript

let rgba = 0xFFFFFFFF;

//divide rgba by channels
let red = (rgba>>24) & 0xff;
let green = (rgba>>16) & 0xff;
let blue = (rgba>>8) & 0xff;
let alpha = rgba & 0xff;

//combine channels together again
var color = (red << 24) | (green << 16) | (blue << 8) | (alpha);