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ace-colorpicker-min.js
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ace-colorpicker-min.js
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/* https://www.jsdelivr.com/package/npm/ace-colorpicker */
var AceColorPicker = (function () {
'use strict';
/**
* @method format
*
* convert color to format string
*
* // hex
* color.format({ r : 255, g : 255, b : 255, a: 1 }, 'hex') // #FFFFFFFF
*
* // rgb
* color.format({ r : 255, g : 255, b : 255 }, 'rgb') // rgba(255, 255, 255, 0.5);
*
* // rgba
* color.format({ r : 255, g : 255, b : 255, a : 0.5 }, 'rgb') // rgba(255, 255, 255, 0.5);
*
* @param {Object} obj obj has r, g, b and a attributes
* @param {"hex"/"rgb"} type format string type
* @returns {*}
*/
function format(obj, type) {
var defaultColor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'rgba(0, 0, 0, 0)';
if (Array.isArray(obj)) {
obj = { r: obj[0], g: obj[1], b: obj[2], a: obj[3] };
}
if (type == 'hex') {
return hex(obj);
} else if (type == 'rgb') {
return rgb(obj, defaultColor);
} else if (type == 'hsl') {
return hsl(obj);
}
return obj;
}
function hex(obj) {
if (Array.isArray(obj)) {
obj = { r: obj[0], g: obj[1], b: obj[2], a: obj[3] };
}
var r = obj.r.toString(16);
if (obj.r < 16) r = "0" + r;
var g = obj.g.toString(16);
if (obj.g < 16) g = "0" + g;
var b = obj.b.toString(16);
if (obj.b < 16) b = "0" + b;
var alphaValue = '';
if (obj.a < 1) {
var alpha = Math.floor(obj.a * 255);
var alphaValue = alpha.toString(16);
if (alpha < 16) alphaValue = "0" + alphaValue;
}
return '#' + r + g + b + alphaValue;
}
function rgb(obj) {
var defaultColor = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'rgba(0, 0, 0, 0)';
if (Array.isArray(obj)) {
obj = { r: obj[0], g: obj[1], b: obj[2], a: obj[3] };
}
if (typeof obj == 'undefined') {
return undefined;
}
if (obj.a == 1 || typeof obj.a == 'undefined') {
if (isNaN(obj.r)) {
return defaultColor;
}
return 'rgb(' + obj.r + ',' + obj.g + ',' + obj.b + ')';
} else {
return 'rgba(' + obj.r + ',' + obj.g + ',' + obj.b + ',' + obj.a + ')';
}
}
function hsl(obj) {
if (Array.isArray(obj)) {
obj = { r: obj[0], g: obj[1], b: obj[2], a: obj[3] };
}
if (obj.a == 1 || typeof obj.a == 'undefined') {
return 'hsl(' + obj.h + ',' + obj.s + '%,' + obj.l + '%)';
} else {
return 'hsla(' + obj.h + ',' + obj.s + '%,' + obj.l + '%,' + obj.a + ')';
}
}
var formatter = {
format: format,
rgb: rgb,
hsl: hsl,
hex: hex
};
function round(n, k) {
k = typeof k == 'undefined' ? 1 : k;
return Math.round(n * k) / k;
}
function degreeToRadian(angle) {
return angle * Math.PI / 180;
}
/**
*
* convert radian to degree
*
* @param {*} radian
* @returns {Number} 0..360
*/
function radianToDegree(radian) {
var angle = radian * 180 / Math.PI;
if (angle < 0) {
// 각도가 0보다 작으면 360 에서 반전시킨다.
angle = 360 + angle;
}
return angle;
}
function getXInCircle(angle, radius) {
var centerX = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
return centerX + radius * Math.cos(degreeToRadian(angle));
}
function getYInCircle(angle, radius) {
var centerY = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
return centerY + radius * Math.sin(degreeToRadian(angle));
}
function getXYInCircle(angle, radius) {
var centerX = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
var centerY = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
return {
x: getXInCircle(angle, radius, centerX),
y: getYInCircle(angle, radius, centerY)
};
}
function caculateAngle(rx, ry) {
return radianToDegree(Math.atan2(ry, rx));
}
var math = {
round: round,
radianToDegree: radianToDegree,
degreeToRadian: degreeToRadian,
getXInCircle: getXInCircle,
getYInCircle: getYInCircle,
caculateAngle: caculateAngle
};
var color_names = { aliceblue: "rgb(240, 248, 255)", antiquewhite: "rgb(250, 235, 215)", aqua: "rgb(0, 255, 255)", aquamarine: "rgb(127, 255, 212)", azure: "rgb(240, 255, 255)", beige: "rgb(245, 245, 220)", bisque: "rgb(255, 228, 196)", black: "rgb(0, 0, 0)", blanchedalmond: "rgb(255, 235, 205)", blue: "rgb(0, 0, 255)", blueviolet: "rgb(138, 43, 226)", brown: "rgb(165, 42, 42)", burlywood: "rgb(222, 184, 135)", cadetblue: "rgb(95, 158, 160)", chartreuse: "rgb(127, 255, 0)", chocolate: "rgb(210, 105, 30)", coral: "rgb(255, 127, 80)", cornflowerblue: "rgb(100, 149, 237)", cornsilk: "rgb(255, 248, 220)", crimson: "rgb(237, 20, 61)", cyan: "rgb(0, 255, 255)", darkblue: "rgb(0, 0, 139)", darkcyan: "rgb(0, 139, 139)", darkgoldenrod: "rgb(184, 134, 11)", darkgray: "rgb(169, 169, 169)", darkgrey: "rgb(169, 169, 169)", darkgreen: "rgb(0, 100, 0)", darkkhaki: "rgb(189, 183, 107)", darkmagenta: "rgb(139, 0, 139)", darkolivegreen: "rgb(85, 107, 47)", darkorange: "rgb(255, 140, 0)", darkorchid: "rgb(153, 50, 204)", darkred: "rgb(139, 0, 0)", darksalmon: "rgb(233, 150, 122)", darkseagreen: "rgb(143, 188, 143)", darkslateblue: "rgb(72, 61, 139)", darkslategray: "rgb(47, 79, 79)", darkslategrey: "rgb(47, 79, 79)", darkturquoise: "rgb(0, 206, 209)", darkviolet: "rgb(148, 0, 211)", deeppink: "rgb(255, 20, 147)", deepskyblue: "rgb(0, 191, 255)", dimgray: "rgb(105, 105, 105)", dimgrey: "rgb(105, 105, 105)", dodgerblue: "rgb(30, 144, 255)", firebrick: "rgb(178, 34, 34)", floralwhite: "rgb(255, 250, 240)", forestgreen: "rgb(34, 139, 34)", fuchsia: "rgb(255, 0, 255)", gainsboro: "rgb(220, 220, 220)", ghostwhite: "rgb(248, 248, 255)", gold: "rgb(255, 215, 0)", goldenrod: "rgb(218, 165, 32)", gray: "rgb(128, 128, 128)", grey: "rgb(128, 128, 128)", green: "rgb(0, 128, 0)", greenyellow: "rgb(173, 255, 47)", honeydew: "rgb(240, 255, 240)", hotpink: "rgb(255, 105, 180)", indianred: "rgb(205, 92, 92)", indigo: "rgb(75, 0, 130)", ivory: "rgb(255, 255, 240)", khaki: "rgb(240, 230, 140)", lavender: "rgb(230, 230, 250)", lavenderblush: "rgb(255, 240, 245)", lawngreen: "rgb(124, 252, 0)", lemonchiffon: "rgb(255, 250, 205)", lightblue: "rgb(173, 216, 230)", lightcoral: "rgb(240, 128, 128)", lightcyan: "rgb(224, 255, 255)", lightgoldenrodyellow: "rgb(250, 250, 210)", lightgreen: "rgb(144, 238, 144)", lightgray: "rgb(211, 211, 211)", lightgrey: "rgb(211, 211, 211)", lightpink: "rgb(255, 182, 193)", lightsalmon: "rgb(255, 160, 122)", lightseagreen: "rgb(32, 178, 170)", lightskyblue: "rgb(135, 206, 250)", lightslategray: "rgb(119, 136, 153)", lightslategrey: "rgb(119, 136, 153)", lightsteelblue: "rgb(176, 196, 222)", lightyellow: "rgb(255, 255, 224)", lime: "rgb(0, 255, 0)", limegreen: "rgb(50, 205, 50)", linen: "rgb(250, 240, 230)", magenta: "rgb(255, 0, 255)", maroon: "rgb(128, 0, 0)", mediumaquamarine: "rgb(102, 205, 170)", mediumblue: "rgb(0, 0, 205)", mediumorchid: "rgb(186, 85, 211)", mediumpurple: "rgb(147, 112, 219)", mediumseagreen: "rgb(60, 179, 113)", mediumslateblue: "rgb(123, 104, 238)", mediumspringgreen: "rgb(0, 250, 154)", mediumturquoise: "rgb(72, 209, 204)", mediumvioletred: "rgb(199, 21, 133)", midnightblue: "rgb(25, 25, 112)", mintcream: "rgb(245, 255, 250)", mistyrose: "rgb(255, 228, 225)", moccasin: "rgb(255, 228, 181)", navajowhite: "rgb(255, 222, 173)", navy: "rgb(0, 0, 128)", oldlace: "rgb(253, 245, 230)", olive: "rgb(128, 128, 0)", olivedrab: "rgb(107, 142, 35)", orange: "rgb(255, 165, 0)", orangered: "rgb(255, 69, 0)", orchid: "rgb(218, 112, 214)", palegoldenrod: "rgb(238, 232, 170)", palegreen: "rgb(152, 251, 152)", paleturquoise: "rgb(175, 238, 238)", palevioletred: "rgb(219, 112, 147)", papayawhip: "rgb(255, 239, 213)", peachpuff: "rgb(255, 218, 185)", peru: "rgb(205, 133, 63)", pink: "rgb(255, 192, 203)", plum: "rgb(221, 160, 221)", powderblue: "rgb(176, 224, 230)", purple: "rgb(128, 0, 128)", rebeccapurple: "rgb(102, 51, 153)", red: "rgb(255, 0, 0)", rosybrown: "rgb(188, 143, 143)", royalblue: "rgb(65, 105, 225)", saddlebrown: "rgb(139, 69, 19)", salmon: "rgb(250, 128, 114)", sandybrown: "rgb(244, 164, 96)", seagreen: "rgb(46, 139, 87)", seashell: "rgb(255, 245, 238)", sienna: "rgb(160, 82, 45)", silver: "rgb(192, 192, 192)", skyblue: "rgb(135, 206, 235)", slateblue: "rgb(106, 90, 205)", slategray: "rgb(112, 128, 144)", slategrey: "rgb(112, 128, 144)", snow: "rgb(255, 250, 250)", springgreen: "rgb(0, 255, 127)", steelblue: "rgb(70, 130, 180)", tan: "rgb(210, 180, 140)", teal: "rgb(0, 128, 128)", thistle: "rgb(216, 191, 216)", tomato: "rgb(255, 99, 71)", turquoise: "rgb(64, 224, 208)", violet: "rgb(238, 130, 238)", wheat: "rgb(245, 222, 179)", white: "rgb(255, 255, 255)", whitesmoke: "rgb(245, 245, 245)", yellow: "rgb(255, 255, 0)", yellowgreen: "rgb(154, 205, 50)", transparent: "rgba(0, 0, 0, 0)" };
function isColorName(name) {
return !!color_names[name];
}
function getColorByName(name) {
return color_names[name];
}
var ColorNames = {
isColorName: isColorName,
getColorByName: getColorByName
};
function HUEtoRGB(p, q, t) {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1 / 6) return p + (q - p) * 6 * t;
if (t < 1 / 2) return q;
if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
return p;
}
function HSLtoHSV(h, s, l) {
if (arguments.length == 1) {
var _arguments$ = arguments[0],
h = _arguments$.h,
s = _arguments$.s,
l = _arguments$.l;
}
var rgb = HSLtoRGB(h, s, l);
return RGBtoHSV(rgb.r, rgb.g, rgb.b);
}
function HSLtoRGB(h, s, l) {
if (arguments.length == 1) {
var _arguments$2 = arguments[0],
h = _arguments$2.h,
s = _arguments$2.s,
l = _arguments$2.l;
}
var r, g, b;
h /= 360;
s /= 100;
l /= 100;
if (s == 0) {
r = g = b = l; // achromatic
} else {
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = HUEtoRGB(p, q, h + 1 / 3);
g = HUEtoRGB(p, q, h);
b = HUEtoRGB(p, q, h - 1 / 3);
}
return { r: round(r * 255), g: round(g * 255), b: round(b * 255) };
}
var fromHSL = {
HUEtoRGB: HUEtoRGB,
HSLtoHSV: HSLtoHSV,
HSLtoRGB: HSLtoRGB
};
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
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;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
}();
var defineProperty = function (obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
};
var _extends = Object.assign || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
var get = function get(object, property, receiver) {
if (object === null) object = Function.prototype;
var desc = Object.getOwnPropertyDescriptor(object, property);
if (desc === undefined) {
var parent = Object.getPrototypeOf(object);
if (parent === null) {
return undefined;
} else {
return get(parent, property, receiver);
}
} else if ("value" in desc) {
return desc.value;
} else {
var getter = desc.get;
if (getter === undefined) {
return undefined;
}
return getter.call(receiver);
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var slicedToArray = function () {
function sliceIterator(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"]) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
return function (arr, i) {
if (Array.isArray(arr)) {
return arr;
} else if (Symbol.iterator in Object(arr)) {
return sliceIterator(arr, i);
} else {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
};
}();
var toArray = function (arr) {
return Array.isArray(arr) ? arr : Array.from(arr);
};
var toConsumableArray = function (arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
return arr2;
} else {
return Array.from(arr);
}
};
var color_regexp = /(#(?:[\da-f]{8})|#(?:[\da-f]{3}){1,2}|rgb\((?:\s*\d{1,3},\s*){2}\d{1,3}\s*\)|rgba\((?:\s*\d{1,3},\s*){3}\d*\.?\d+\s*\)|hsl\(\s*\d{1,3}(?:,\s*\d{1,3}%){2}\s*\)|hsla\(\s*\d{1,3}(?:,\s*\d{1,3}%){2},\s*\d*\.?\d+\s*\)|([\w_\-]+))/gi;
var color_split = ',';
function matches(str) {
var matches = str.match(color_regexp);
var result = [];
if (!matches) {
return result;
}
for (var i = 0, len = matches.length; i < len; i++) {
if (matches[i].indexOf('#') > -1 || matches[i].indexOf('rgb') > -1 || matches[i].indexOf('hsl') > -1) {
result.push({ color: matches[i] });
} else {
var nameColor = ColorNames.getColorByName(matches[i]);
if (nameColor) {
result.push({ color: matches[i], nameColor: nameColor });
}
}
}
var pos = { next: 0 };
result.forEach(function (item) {
var startIndex = str.indexOf(item.color, pos.next);
item.startIndex = startIndex;
item.endIndex = startIndex + item.color.length;
pos.next = item.endIndex;
});
return result;
}
function convertMatches(str) {
var m = matches(str);
m.forEach(function (it, index) {
str = str.replace(it.color, '@' + index);
});
return { str: str, matches: m };
}
function convertMatchesArray(str) {
var splitStr = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ',';
var ret = convertMatches(str);
return ret.str.split(splitStr).map(function (it, index) {
it = trim(it);
if (ret.matches[index]) {
it = it.replace('@' + index, ret.matches[index].color);
}
return it;
});
}
function reverseMatches(str, matches) {
matches.forEach(function (it, index) {
str = str.replace('@' + index, it.color);
});
return str;
}
function trim(str) {
return str.replace(/^\s+|\s+$/g, '');
}
/**
* @method rgb
*
* parse string to rgb color
*
* color.parse("#FF0000") === { r : 255, g : 0, b : 0 }
*
* color.parse("rgb(255, 0, 0)") == { r : 255, g : 0, b :0 }
* color.parse(0xff0000) == { r : 255, g : 0, b : 0 }
* color.parse(0xff000000) == { r : 255, g : 0, b : 0, a: 0 }
*
* @param {String} str color string
* @returns {Object} rgb object
*/
function parse(str) {
if (typeof str == 'string') {
if (ColorNames.isColorName(str)) {
str = ColorNames.getColorByName(str);
}
if (str.indexOf("rgb(") > -1) {
var arr = str.replace("rgb(", "").replace(")", "").split(",");
for (var i = 0, len = arr.length; i < len; i++) {
arr[i] = parseInt(trim(arr[i]), 10);
}
var obj = { type: 'rgb', r: arr[0], g: arr[1], b: arr[2], a: 1 };
obj = Object.assign(obj, RGBtoHSL(obj));
return obj;
} else if (str.indexOf("rgba(") > -1) {
var arr = str.replace("rgba(", "").replace(")", "").split(",");
for (var i = 0, len = arr.length; i < len; i++) {
if (len - 1 == i) {
arr[i] = parseFloat(trim(arr[i]));
} else {
arr[i] = parseInt(trim(arr[i]), 10);
}
}
var obj = { type: 'rgb', r: arr[0], g: arr[1], b: arr[2], a: arr[3] };
obj = Object.assign(obj, RGBtoHSL(obj));
return obj;
} else if (str.indexOf("hsl(") > -1) {
var arr = str.replace("hsl(", "").replace(")", "").split(",");
for (var i = 0, len = arr.length; i < len; i++) {
arr[i] = parseFloat(trim(arr[i]));
}
var obj = { type: 'hsl', h: arr[0], s: arr[1], l: arr[2], a: 1 };
obj = Object.assign(obj, HSLtoRGB(obj));
return obj;
} else if (str.indexOf("hsla(") > -1) {
var arr = str.replace("hsla(", "").replace(")", "").split(",");
for (var i = 0, len = arr.length; i < len; i++) {
if (len - 1 == i) {
arr[i] = parseFloat(trim(arr[i]));
} else {
arr[i] = parseInt(trim(arr[i]), 10);
}
}
var obj = { type: 'hsl', h: arr[0], s: arr[1], l: arr[2], a: arr[3] };
obj = Object.assign(obj, HSLtoRGB(obj));
return obj;
} else if (str.indexOf("#") == 0) {
str = str.replace("#", "");
var arr = [];
var a = 1;
if (str.length == 3) {
for (var i = 0, len = str.length; i < len; i++) {
var char = str.substr(i, 1);
arr.push(parseInt(char + char, 16));
}
} else if (str.length === 8) {
for (var i = 0, len = str.length; i < len; i += 2) {
arr.push(parseInt(str.substr(i, 2), 16));
}
a = arr.pop() / 255;
} else {
for (var i = 0, len = str.length; i < len; i += 2) {
arr.push(parseInt(str.substr(i, 2), 16));
}
}
var obj = { type: 'hex', r: arr[0], g: arr[1], b: arr[2], a: a };
obj = Object.assign(obj, RGBtoHSL(obj));
return obj;
}
} else if (typeof str == 'number') {
if (0x000000 <= str && str <= 0xffffff) {
var r = (str & 0xff0000) >> 16;
var g = (str & 0x00ff00) >> 8;
var b = (str & 0x0000ff) >> 0;
var obj = { type: 'hex', r: r, g: g, b: b, a: 1 };
obj = Object.assign(obj, RGBtoHSL(obj));
return obj;
} else if (0x00000000 <= str && str <= 0xffffffff) {
var _r = (str & 0xff000000) >> 24;
var _g = (str & 0x00ff0000) >> 16;
var _b = (str & 0x0000ff00) >> 8;
var _a = (str & 0x000000ff) / 255;
var obj = { type: 'hex', r: _r, g: _g, b: _b, a: _a };
obj = Object.assign(obj, RGBtoHSL(obj));
return obj;
}
}
return str;
}
function parseGradient(colors) {
if (typeof colors == 'string') {
colors = convertMatchesArray(colors);
}
colors = colors.map(function (it) {
if (typeof it == 'string') {
var ret = convertMatches(it);
var arr = trim(ret.str).split(' ');
if (arr[1]) {
if (arr[1].includes('%')) {
arr[1] = parseFloat(arr[1].replace(/%/, '')) / 100;
} else {
arr[1] = parseFloat(arr[1]);
}
} else {
arr[1] = '*';
}
arr[0] = reverseMatches(arr[0], ret.matches);
return arr;
} else if (Array.isArray(it)) {
if (!it[1]) {
it[1] = '*';
} else if (typeof it[1] == 'string') {
if (it[1].includes('%')) {
it[1] = parseFloat(it[1].replace(/%/, '')) / 100;
} else {
it[1] = +it[1];
}
}
return [].concat(toConsumableArray(it));
}
});
var count = colors.filter(function (it) {
return it[1] === '*';
}).length;
if (count > 0) {
var sum = colors.filter(function (it) {
return it[1] != '*' && it[1] != 1;
}).map(function (it) {
return it[1];
}).reduce(function (total, cur) {
return total + cur;
}, 0);
var dist = (1 - sum) / count;
colors.forEach(function (it, index) {
if (it[1] == '*' && index > 0) {
if (colors.length - 1 == index) {
// it[1] = 1
} else {
it[1] = dist;
}
}
});
}
return colors;
}
var parser = {
matches: matches,
convertMatches: convertMatches,
convertMatchesArray: convertMatchesArray,
reverseMatches: reverseMatches,
parse: parse,
parseGradient: parseGradient,
trim: trim,
color_regexp: color_regexp,
color_split: color_split
};
function RGBtoHSV(r, g, b) {
if (arguments.length == 1) {
var _arguments$ = arguments[0],
r = _arguments$.r,
g = _arguments$.g,
b = _arguments$.b;
}
var R1 = r / 255;
var G1 = g / 255;
var B1 = b / 255;
var MaxC = Math.max(R1, G1, B1);
var MinC = Math.min(R1, G1, B1);
var DeltaC = MaxC - MinC;
var H = 0;
if (DeltaC == 0) {
H = 0;
} else if (MaxC == R1) {
H = 60 * ((G1 - B1) / DeltaC % 6);
} else if (MaxC == G1) {
H = 60 * ((B1 - R1) / DeltaC + 2);
} else if (MaxC == B1) {
H = 60 * ((R1 - G1) / DeltaC + 4);
}
if (H < 0) {
H = 360 + H;
}
var S = 0;
if (MaxC == 0) S = 0;else S = DeltaC / MaxC;
var V = MaxC;
return { h: H, s: S, v: V };
}
function RGBtoCMYK(r, g, b) {
if (arguments.length == 1) {
var _arguments$2 = arguments[0],
r = _arguments$2.r,
g = _arguments$2.g,
b = _arguments$2.b;
}
var R1 = r / 255;
var G1 = g / 255;
var B1 = b / 255;
var K = 1 - Math.max(R1, G1, B1);
var C = (1 - R1 - K) / (1 - K);
var M = (1 - G1 - K) / (1 - K);
var Y = (1 - B1 - K) / (1 - K);
return { c: C, m: M, y: Y, k: K };
}
function RGBtoHSL(r, g, b) {
if (arguments.length == 1) {
var _arguments$3 = arguments[0],
r = _arguments$3.r,
g = _arguments$3.g,
b = _arguments$3.b;
}
r /= 255, g /= 255, b /= 255;
var max = Math.max(r, g, b),
min = Math.min(r, g, b);
var h,
s,
l = (max + min) / 2;
if (max == min) {
h = s = 0; // achromatic
} else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch (max) {
case r:
h = (g - b) / d + (g < b ? 6 : 0);break;
case g:
h = (b - r) / d + 2;break;
case b:
h = (r - g) / d + 4;break;
}
h /= 6;
}
return { h: round(h * 360), s: round(s * 100), l: round(l * 100) };
}
function c(r, g, b) {
if (arguments.length == 1) {
var _arguments$4 = arguments[0],
r = _arguments$4.r,
g = _arguments$4.g,
b = _arguments$4.b;
}
return gray((r + g + b) / 3 > 90 ? 0 : 255);
}
function gray(gray) {
return { r: gray, g: gray, b: gray };
}
function RGBtoSimpleGray(r, g, b) {
if (arguments.length == 1) {
var _arguments$5 = arguments[0],
r = _arguments$5.r,
g = _arguments$5.g,
b = _arguments$5.b;
}
return gray(Math.ceil((r + g + b) / 3));
}
function RGBtoGray(r, g, b) {
if (arguments.length == 1) {
var _arguments$6 = arguments[0],
r = _arguments$6.r,
g = _arguments$6.g,
b = _arguments$6.b;
}
return gray(RGBtoYCrCb(r, g, b).y);
}
function brightness(r, g, b) {
return Math.ceil(r * 0.2126 + g * 0.7152 + b * 0.0722);
}
function RGBtoYCrCb(r, g, b) {
if (arguments.length == 1) {
var _arguments$7 = arguments[0],
r = _arguments$7.r,
g = _arguments$7.g,
b = _arguments$7.b;
}
var Y = brightness(r, g, b);
var Cb = 0.564 * (b - Y);
var Cr = 0.713 * (r - Y);
return { y: Y, cr: Cr, cb: Cb };
}
function PivotRGB(n) {
var point = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0.04045;
return (n > point ? Math.pow((n + 0.055) / 1.055, 2.4) : n / 12.92) * 100;
}
function RGBtoXYZ(r, g, b) {
//sR, sG and sB (Standard RGB) input range = 0 ÷ 255
//X, Y and Z output refer to a D65/2° standard illuminant.
if (arguments.length == 1) {
var _arguments$8 = arguments[0],
r = _arguments$8.r,
g = _arguments$8.g,
b = _arguments$8.b;
}
var R = r / 255;
var G = g / 255;
var B = b / 255;
R = PivotRGB(R);
G = PivotRGB(G);
B = PivotRGB(B);
var x = R * 0.4124 + G * 0.3576 + B * 0.1805;
var y = R * 0.2126 + G * 0.7152 + B * 0.0722;
var z = R * 0.0193 + G * 0.1192 + B * 0.9505;
return { x: x, y: y, z: z };
}
function RGBtoLAB(r, g, b) {
if (arguments.length == 1) {
var _arguments$9 = arguments[0],
r = _arguments$9.r,
g = _arguments$9.g,
b = _arguments$9.b;
}
return XYZtoLAB(RGBtoXYZ(r, g, b));
}
var fromRGB = {
RGBtoCMYK: RGBtoCMYK,
RGBtoGray: RGBtoGray,
RGBtoHSL: RGBtoHSL,
RGBtoHSV: RGBtoHSV,
RGBtoLAB: RGBtoLAB,
RGBtoSimpleGray: RGBtoSimpleGray,
RGBtoXYZ: RGBtoXYZ,
RGBtoYCrCb: RGBtoYCrCb,
c: c,
brightness: brightness,
gray: gray
};
function CMYKtoRGB(c, m, y, k) {
if (arguments.length == 1) {
var _arguments$ = arguments[0],
c = _arguments$.c,
m = _arguments$.m,
y = _arguments$.y,
k = _arguments$.k;
}
var R = 255 * (1 - c) * (1 - k);
var G = 255 * (1 - m) * (1 - k);
var B = 255 * (1 - y) * (1 - k);
return { r: R, g: G, b: B };
}
var fromCMYK = {
CMYKtoRGB: CMYKtoRGB
};
function ReverseXyz(n) {
return Math.pow(n, 3) > 0.008856 ? Math.pow(n, 3) : (n - 16 / 116) / 7.787;
}
function ReverseRGB(n) {
return n > 0.0031308 ? 1.055 * Math.pow(n, 1 / 2.4) - 0.055 : 12.92 * n;
}
function XYZtoRGB(x, y, z) {
if (arguments.length == 1) {
var _arguments$ = arguments[0],
x = _arguments$.x,
y = _arguments$.y,
z = _arguments$.z;
}
//X, Y and Z input refer to a D65/2° standard illuminant.
//sR, sG and sB (standard RGB) output range = 0 ÷ 255
var X = x / 100.0;
var Y = y / 100.0;
var Z = z / 100.0;
var R = X * 3.2406 + Y * -1.5372 + Z * -0.4986;
var G = X * -0.9689 + Y * 1.8758 + Z * 0.0415;
var B = X * 0.0557 + Y * -0.2040 + Z * 1.0570;
R = ReverseRGB(R);
G = ReverseRGB(G);
B = ReverseRGB(B);
var r = round(R * 255);
var g = round(G * 255);
var b = round(B * 255);
return { r: r, g: g, b: b };
}
function LABtoXYZ(l, a, b) {
if (arguments.length == 1) {
var _arguments$2 = arguments[0],
l = _arguments$2.l,
a = _arguments$2.a,
b = _arguments$2.b;
}
//Reference-X, Y and Z refer to specific illuminants and observers.
//Common reference values are available below in this same page.
var Y = (l + 16) / 116;
var X = a / 500 + Y;
var Z = Y - b / 200;
Y = ReverseXyz(Y);
X = ReverseXyz(X);
Z = ReverseXyz(Z);