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/**
* @author bhouston / http://exocortex.com/
* @author zz85 / http://github.com/zz85
*/
import {
Math as _Math
} from "../../../build/three.module.js";
var ColorConverter = {
setHSV: function ( color, h, s, v ) {
// https://gist.github.com/xpansive/1337890#file-index-js
h = _Math.euclideanModulo( h, 1 );
s = _Math.clamp( s, 0, 1 );
v = _Math.clamp( v, 0, 1 );
return color.setHSL( h, ( s * v ) / ( ( h = ( 2 - s ) * v ) < 1 ? h : ( 2 - h ) ), h * 0.5 );
},
getHSV: function () {
var hsl = {};
return function getHSV( color, target ) {
if ( target === undefined ) {
console.warn( 'THREE.ColorConverter: .getHSV() target is now required' );
target = { h: 0, s: 0, l: 0 };
}
color.getHSL( hsl );
// based on https://gist.github.com/xpansive/1337890#file-index-js
hsl.s *= ( hsl.l < 0.5 ) ? hsl.l : ( 1 - hsl.l );
target.h = hsl.h;
target.s = 2 * hsl.s / ( hsl.l + hsl.s );
target.v = hsl.l + hsl.s;
return target;
};
}(),
// 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, target ) {
if ( target === undefined ) {
console.warn( 'THREE.ColorConverter: .getCMYK() target is now required' );
target = { c: 0, m: 0, y: 0, k: 0 };
}
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 );
target.c = c;
target.m = m;
target.y = y;
target.k = k;
return target;
}
};
export { ColorConverter };
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