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| /*
* Photo Editor SDK - photoeditorsdk.com
* Copyright (c) 2013-2015 9elements GmbH
*
* Released under Attribution-NonCommercial 3.0 Unported
* http://creativecommons.org/licenses/by-nc/3.0/
*
* For commercial use, please contact us at contact@9elements.com
*/
/**
* Represents a color
* @class
* @alias ImglyKit.Color
* @param {Number} r
* @param {Number} g
* @param {Number} b
* @param {Number} [a]
* @private
*/
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
// istanbul ignore next
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
// istanbul ignore next
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var Color = (function () {
function Color(r, g, b, a) {
_classCallCheck(this, Color);
if (typeof a === 'undefined') {
a = 1.0;
}
this.r = r;
this.g = g;
this.b = b;
this.a = a;
}
/**
* Returns an rgba() representation of this color
* @return {String}
*/
_createClass(Color, [{
key: 'toRGBA',
value: function toRGBA() {
var colors = [Math.round(this.r * 255), Math.round(this.g * 255), Math.round(this.b * 255), this.a];
return 'rgba(' + colors.join(',') + ')';
}
/**
* Returns a hex representation of this color
* @return {String}
*/
}, {
key: 'toHex',
value: function toHex() {
var components = [this._componentToHex(Math.round(this.r * 255)), this._componentToHex(Math.round(this.g * 255)), this._componentToHex(Math.round(this.b * 255))];
return '#' + components.join('');
}
/**
* Returns an array with 4 values (0...1)
* @return {Array.<Number>}
*/
}, {
key: 'toGLColor',
value: function toGLColor() {
return [this.r, this.g, this.b, this.a];
}
/**
* Returns an array with 3 values (0...1)
* @return {Array.<Number>}
*/
}, {
key: 'toRGBGLColor',
value: function toRGBGLColor() {
return [this.r, this.g, this.b];
}
/**
* Converts the RGB value to HSV
* @return {Array.<Number>}
*/
}, {
key: 'toHSV',
value: function toHSV() {
var max = Math.max(this.r, this.g, this.b);
var min = Math.min(this.r, this.g, this.b);
var h = undefined;
var s = undefined;
var v = max;
var d = max - min;
s = max === 0 ? 0 : d / max;
Iif (max === min) {
h = 0; // achromatic
} else {
switch (max) {
case this.r:
h = (this.g - this.b) / d + (this.g < this.b ? 6 : 0);
break;
case this.g:
h = (this.b - this.r) / d + 2;
break;
case this.b:
h = (this.r - this.g) / d + 4;
break;
}
h /= 6;
}
return [h, s, v];
}
/**
* Sets the RGB values of this color to match the given HSV values
* @param {Number} h
* @param {Number} s
* @param {Number} v
*/
}, {
key: 'fromHSV',
value: function fromHSV(h, s, v) {
var r = this.r;
var g = this.g;
var b = this.b;
var i = Math.floor(h * 6);
var f = h * 6 - i;
var p = v * (1 - s);
var q = v * (1 - f * s);
var t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0:
r = v;
g = t;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = t;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = t;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
}
this.r = r;
this.g = g;
this.b = b;
}
/**
* Returns a clone of the current color
* @return {Color}
*/
}, {
key: 'clone',
value: function clone() {
return new Color(this.r, this.g, this.b, this.a);
}
/**
* Returns the given number as hex
* @param {Number} component
* @return {String}
* @private
*/
}, {
key: '_componentToHex',
value: function _componentToHex(component) {
var hex = component.toString(16);
return hex.length === 1 ? '0' + hex : hex;
}
/**
* Returns the string representation of this color
* @returns {String}
*/
}, {
key: 'toString',
value: function toString() {
return 'Color(' + this.r + ', ' + this.g + ', ' + this.b + ', ' + this.a + ')';
}
}]);
return Color;
})();
exports['default'] = Color;
module.exports = exports['default'];
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photoeditorsdk.com\n * Copyright (c) 2013-2015 9elements GmbH\n *\n * Released under Attribution-NonCommercial 3.0 Unported\n * http://creativecommons.org/licenses/by-nc/3.0/\n *\n * For commercial use, please contact us at contact@9elements.com\n */\n\n/**\n * Represents a color\n * @class\n * @alias ImglyKit.Color\n * @param {Number} r\n * @param {Number} g\n * @param {Number} b\n * @param {Number} [a]\n * @private\n */\nclass Color {\n  constructor (r, g, b, a) {\n    if (typeof a === 'undefined') {\n      a = 1.0\n    }\n\n    this.r = r\n    this.g = g\n    this.b = b\n    this.a = a\n  }\n\n  /**\n   * Returns an rgba() representation of this color\n   * @return {String}\n   */\n  toRGBA () {\n    var colors = [\n      Math.round(this.r * 255),\n      Math.round(this.g * 255),\n      Math.round(this.b * 255),\n      this.a\n    ]\n    return 'rgba(' + colors.join(',') + ')'\n  }\n\n  /**\n   * Returns a hex representation of this color\n   * @return {String}\n   */\n  toHex () {\n    var components = [\n      this._componentToHex(Math.round(this.r * 255)),\n      this._componentToHex(Math.round(this.g * 255)),\n      this._componentToHex(Math.round(this.b * 255))\n    ]\n    return '#' + components.join('')\n  }\n\n  /**\n   * Returns an array with 4 values (0...1)\n   * @return {Array.<Number>}\n   */\n  toGLColor () {\n    return [this.r, this.g, this.b, this.a]\n  }\n\n  /**\n   * Returns an array with 3 values (0...1)\n   * @return {Array.<Number>}\n   */\n  toRGBGLColor () {\n    return [this.r, this.g, this.b]\n  }\n\n  /**\n   * Converts the RGB value to HSV\n   * @return {Array.<Number>}\n   */\n  toHSV () {\n    let max = Math.max(this.r, this.g, this.b)\n    let min = Math.min(this.r, this.g, this.b)\n    let h\n    let s\n    let v = max\n    let d = max - min\n    s = max === 0 ? 0 : d / max\n\n    if (max === min) {\n      h = 0 // achromatic\n    } else {\n      switch (max) {\n        case this.r:\n          h = (this.g - this.b) / d + (this.g < this.b ? 6 : 0)\n          break\n        case this.g:\n          h = (this.b - this.r) / d + 2\n          break\n        case this.b:\n          h = (this.r - this.g) / d + 4\n          break\n      }\n      h /= 6\n    }\n\n    return [h, s, v]\n  }\n\n  /**\n   * Sets the RGB values of this color to match the given HSV values\n   * @param {Number} h\n   * @param {Number} s\n   * @param {Number} v\n   */\n  fromHSV (h, s, v) {\n    let {r, g, b} = this\n\n    let i = Math.floor(h * 6)\n    let f = h * 6 - i\n    let p = v * (1 - s)\n    let q = v * (1 - f * s)\n    let t = v * (1 - (1 - f) * s)\n\n    switch (i % 6) {\n      case 0:\n        r = v\n        g = t\n        b = p\n        break\n      case 1:\n        r = q\n        g = v\n        b = p\n        break\n      case 2:\n        r = p\n        g = v\n        b = t\n        break\n      case 3:\n        r = p\n        g = q\n        b = v\n        break\n      case 4:\n        r = t\n        g = p\n        b = v\n        break\n      case 5:\n        r = v\n        g = p\n        b = q\n        break\n    }\n\n    this.r = r\n    this.g = g\n    this.b = b\n  }\n\n  /**\n   * Returns a clone of the current color\n   * @return {Color}\n   */\n  clone () {\n    return new Color(this.r, this.g, this.b, this.a)\n  }\n\n  /**\n   * Returns the given number as hex\n   * @param  {Number} component\n   * @return {String}\n   * @private\n   */\n  _componentToHex (component) {\n    var hex = component.toString(16)\n    return hex.length === 1 ? '0' + hex : hex\n  }\n\n  /**\n   * Returns the string representation of this color\n   * @returns {String}\n   */\n  toString () {\n    return `Color(${this.r}, ${this.g}, ${this.b}, ${this.a})`\n  }\n}\n\nexport default Color\n"]} |