pixel-editor/js/util/hexToRgb.js

21 lines
802 B
JavaScript
Raw Normal View History

2019-03-27 02:20:54 +03:00
//put in a hex color code (f464b2 or #f464b2) string
//and get an rgb color object {r:0,g:0,b:0}
//divisor is an optional argument, which makes it so you can get values other than 0-255
function hexToRgb(hex, divisor) {
//if divisor isn't set, set it to one (so it has no effect)
divisor = divisor || 1;
//split given hex code into array of 3 values
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex.trim());
//console.log('hex: '+hex)
//console.log([parseInt(result[1], 16)/divisor, parseInt(result[2], 16)/divisor, parseInt(result[3], 16)/divisor])
//console.log(result)
return result ? {
r: parseInt(result[1], 16)/divisor,
g: parseInt(result[2], 16)/divisor,
b: parseInt(result[3], 16)/divisor
} : null;
}