mirror of https://github.com/jkjoy/sunpeiwen.git
43 lines
759 B
JavaScript
43 lines
759 B
JavaScript
|
var utils = require('../utils')
|
||
|
, nodes = require('../nodes')
|
||
|
, rgba = require('./rgba');
|
||
|
|
||
|
/**
|
||
|
* Return a `RGBA` from the r,g,b channels.
|
||
|
*
|
||
|
* Examples:
|
||
|
*
|
||
|
* rgb(255,204,0)
|
||
|
* // => #ffcc00
|
||
|
*
|
||
|
* rgb(#fff)
|
||
|
* // => #fff
|
||
|
*
|
||
|
* @param {Unit|RGBA|HSLA} red
|
||
|
* @param {Unit} green
|
||
|
* @param {Unit} blue
|
||
|
* @return {RGBA}
|
||
|
* @api public
|
||
|
*/
|
||
|
|
||
|
function rgb(red, green, blue){
|
||
|
switch (arguments.length) {
|
||
|
case 1:
|
||
|
utils.assertColor(red);
|
||
|
var color = red.rgba;
|
||
|
return new nodes.RGBA(
|
||
|
color.r
|
||
|
, color.g
|
||
|
, color.b
|
||
|
, 1);
|
||
|
default:
|
||
|
return rgba(
|
||
|
red
|
||
|
, green
|
||
|
, blue
|
||
|
, new nodes.Unit(1));
|
||
|
}
|
||
|
}
|
||
|
rgb.params = ['red', 'green', 'blue'];
|
||
|
module.exports = rgb;
|