mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-08-22 21:30:43 +02:00
58 lines
1.1 KiB
JavaScript
58 lines
1.1 KiB
JavaScript
|
/**
|
||
|
* @author bhouston / http://exocortex.com/
|
||
|
* @author zz85 / http://github.com/zz85
|
||
|
*/
|
||
|
|
||
|
THREE.ColorConverter = {
|
||
|
|
||
|
setHSV: function ( color, h, s, v ) {
|
||
|
|
||
|
// https://gist.github.com/xpansive/1337890#file-index-js
|
||
|
return color.setHSL( h, ( s * v ) / ( ( h = ( 2 - s ) * v ) < 1 ? h : ( 2 - h ) ), h * 0.5 );
|
||
|
|
||
|
},
|
||
|
|
||
|
getHSV: function( color ) {
|
||
|
|
||
|
var hsl = color.getHSL();
|
||
|
|
||
|
// based on https://gist.github.com/xpansive/1337890#file-index-js
|
||
|
hsl.s *= ( hsl.l < 0.5 ) ? hsl.l : ( 1 - hsl.l );
|
||
|
|
||
|
return {
|
||
|
h: hsl.h,
|
||
|
s: 2 * hsl.s / ( hsl.l + hsl.s ),
|
||
|
v: hsl.l + hsl.s
|
||
|
};
|
||
|
},
|
||
|
|
||
|
// where c, m, y, k is between 0 and 1
|
||
|
|
||
|
setCMYK: function ( color, c, m, y, k ) {
|
||
|
|
||
|
var r = ( 1 - c ) * ( 1 - k );
|
||
|
var g = ( 1 - m ) * ( 1 - k );
|
||
|
var b = ( 1 - y ) * ( 1 - k );
|
||
|
|
||
|
return color.setRGB( r, g, b );
|
||
|
|
||
|
},
|
||
|
|
||
|
getCMYK: function ( color ) {
|
||
|
|
||
|
var r = color.r;
|
||
|
var g = color.g;
|
||
|
var b = color.b;
|
||
|
var k = 1 - Math.max(r, g, b);
|
||
|
var c = ( 1 - r - k ) / ( 1 - k );
|
||
|
var m = ( 1 - g - k ) / ( 1 - k );
|
||
|
var y = ( 1 - b - k ) / ( 1 - k );
|
||
|
|
||
|
return {
|
||
|
c: c, m: m, y: y, k: k
|
||
|
};
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
};
|