/base/000_base/node_modules/highcharts/lib/rgbcolor.src.js |
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/** @preserve |
* A class to parse color values |
* @author Stoyan Stefanov <sstoo@gmail.com> |
* @link http://www.phpied.com/rgb-color-parser-in-javascript/ |
* @license Use it if you like it |
*/ |
(function (global) { |
function RGBColor(color_string) |
{ |
this.ok = false; |
|
// strip any leading # |
if (color_string.charAt(0) == '#') { // remove # if any |
color_string = color_string.substr(1,6); |
} |
|
color_string = color_string.replace(/ /g,''); |
color_string = color_string.toLowerCase(); |
|
// before getting into regexps, try simple matches |
// and overwrite the input |
var simple_colors = { |
aliceblue: 'f0f8ff', |
antiquewhite: 'faebd7', |
aqua: '00ffff', |
aquamarine: '7fffd4', |
azure: 'f0ffff', |
beige: 'f5f5dc', |
bisque: 'ffe4c4', |
black: '000000', |
blanchedalmond: 'ffebcd', |
blue: '0000ff', |
blueviolet: '8a2be2', |
brown: 'a52a2a', |
burlywood: 'deb887', |
cadetblue: '5f9ea0', |
chartreuse: '7fff00', |
chocolate: 'd2691e', |
coral: 'ff7f50', |
cornflowerblue: '6495ed', |
cornsilk: 'fff8dc', |
crimson: 'dc143c', |
cyan: '00ffff', |
darkblue: '00008b', |
darkcyan: '008b8b', |
darkgoldenrod: 'b8860b', |
darkgray: 'a9a9a9', |
darkgreen: '006400', |
darkkhaki: 'bdb76b', |
darkmagenta: '8b008b', |
darkolivegreen: '556b2f', |
darkorange: 'ff8c00', |
darkorchid: '9932cc', |
darkred: '8b0000', |
darksalmon: 'e9967a', |
darkseagreen: '8fbc8f', |
darkslateblue: '483d8b', |
darkslategray: '2f4f4f', |
darkturquoise: '00ced1', |
darkviolet: '9400d3', |
deeppink: 'ff1493', |
deepskyblue: '00bfff', |
dimgray: '696969', |
dodgerblue: '1e90ff', |
feldspar: 'd19275', |
firebrick: 'b22222', |
floralwhite: 'fffaf0', |
forestgreen: '228b22', |
fuchsia: 'ff00ff', |
gainsboro: 'dcdcdc', |
ghostwhite: 'f8f8ff', |
gold: 'ffd700', |
goldenrod: 'daa520', |
gray: '808080', |
green: '008000', |
greenyellow: 'adff2f', |
honeydew: 'f0fff0', |
hotpink: 'ff69b4', |
indianred : 'cd5c5c', |
indigo : '4b0082', |
ivory: 'fffff0', |
khaki: 'f0e68c', |
lavender: 'e6e6fa', |
lavenderblush: 'fff0f5', |
lawngreen: '7cfc00', |
lemonchiffon: 'fffacd', |
lightblue: 'add8e6', |
lightcoral: 'f08080', |
lightcyan: 'e0ffff', |
lightgoldenrodyellow: 'fafad2', |
lightgrey: 'd3d3d3', |
lightgreen: '90ee90', |
lightpink: 'ffb6c1', |
lightsalmon: 'ffa07a', |
lightseagreen: '20b2aa', |
lightskyblue: '87cefa', |
lightslateblue: '8470ff', |
lightslategray: '778899', |
lightsteelblue: 'b0c4de', |
lightyellow: 'ffffe0', |
lime: '00ff00', |
limegreen: '32cd32', |
linen: 'faf0e6', |
magenta: 'ff00ff', |
maroon: '800000', |
mediumaquamarine: '66cdaa', |
mediumblue: '0000cd', |
mediumorchid: 'ba55d3', |
mediumpurple: '9370d8', |
mediumseagreen: '3cb371', |
mediumslateblue: '7b68ee', |
mediumspringgreen: '00fa9a', |
mediumturquoise: '48d1cc', |
mediumvioletred: 'c71585', |
midnightblue: '191970', |
mintcream: 'f5fffa', |
mistyrose: 'ffe4e1', |
moccasin: 'ffe4b5', |
navajowhite: 'ffdead', |
navy: '000080', |
oldlace: 'fdf5e6', |
olive: '808000', |
olivedrab: '6b8e23', |
orange: 'ffa500', |
orangered: 'ff4500', |
orchid: 'da70d6', |
palegoldenrod: 'eee8aa', |
palegreen: '98fb98', |
paleturquoise: 'afeeee', |
palevioletred: 'd87093', |
papayawhip: 'ffefd5', |
peachpuff: 'ffdab9', |
peru: 'cd853f', |
pink: 'ffc0cb', |
plum: 'dda0dd', |
powderblue: 'b0e0e6', |
purple: '800080', |
red: 'ff0000', |
rosybrown: 'bc8f8f', |
royalblue: '4169e1', |
saddlebrown: '8b4513', |
salmon: 'fa8072', |
sandybrown: 'f4a460', |
seagreen: '2e8b57', |
seashell: 'fff5ee', |
sienna: 'a0522d', |
silver: 'c0c0c0', |
skyblue: '87ceeb', |
slateblue: '6a5acd', |
slategray: '708090', |
snow: 'fffafa', |
springgreen: '00ff7f', |
steelblue: '4682b4', |
tan: 'd2b48c', |
teal: '008080', |
thistle: 'd8bfd8', |
tomato: 'ff6347', |
turquoise: '40e0d0', |
violet: 'ee82ee', |
violetred: 'd02090', |
wheat: 'f5deb3', |
white: 'ffffff', |
whitesmoke: 'f5f5f5', |
yellow: 'ffff00', |
yellowgreen: '9acd32' |
}; |
for (var key in simple_colors) { |
if (color_string == key) { |
color_string = simple_colors[key]; |
} |
} |
// emd of simple type-in colors |
|
// array of color definition objects |
var color_defs = [ |
{ |
re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/, |
example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'], |
process: function (bits){ |
return [ |
parseInt(bits[1]), |
parseInt(bits[2]), |
parseInt(bits[3]) |
]; |
} |
}, |
{ |
re: /^(\w{2})(\w{2})(\w{2})$/, |
example: ['#00ff00', '336699'], |
process: function (bits){ |
return [ |
parseInt(bits[1], 16), |
parseInt(bits[2], 16), |
parseInt(bits[3], 16) |
]; |
} |
}, |
{ |
re: /^(\w{1})(\w{1})(\w{1})$/, |
example: ['#fb0', 'f0f'], |
process: function (bits){ |
return [ |
parseInt(bits[1] + bits[1], 16), |
parseInt(bits[2] + bits[2], 16), |
parseInt(bits[3] + bits[3], 16) |
]; |
} |
} |
]; |
|
// search through the definitions to find a match |
for (var i = 0; i < color_defs.length; i++) { |
var re = color_defs[i].re; |
var processor = color_defs[i].process; |
var bits = re.exec(color_string); |
if (bits) { |
channels = processor(bits); |
this.r = channels[0]; |
this.g = channels[1]; |
this.b = channels[2]; |
this.ok = true; |
} |
|
} |
|
// validate/cleanup values |
this.r = (this.r < 0 || isNaN(this.r)) ? 0 : ((this.r > 255) ? 255 : this.r); |
this.g = (this.g < 0 || isNaN(this.g)) ? 0 : ((this.g > 255) ? 255 : this.g); |
this.b = (this.b < 0 || isNaN(this.b)) ? 0 : ((this.b > 255) ? 255 : this.b); |
|
// some getters |
this.toRGB = function () { |
return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')'; |
} |
this.toHex = function () { |
var r = this.r.toString(16); |
var g = this.g.toString(16); |
var b = this.b.toString(16); |
if (r.length == 1) r = '0' + r; |
if (g.length == 1) g = '0' + g; |
if (b.length == 1) b = '0' + b; |
return '#' + r + g + b; |
} |
|
// help |
this.getHelpXML = function () { |
|
var examples = new Array(); |
// add regexps |
for (var i = 0; i < color_defs.length; i++) { |
var example = color_defs[i].example; |
for (var j = 0; j < example.length; j++) { |
examples[examples.length] = example[j]; |
} |
} |
// add type-in colors |
for (var sc in simple_colors) { |
examples[examples.length] = sc; |
} |
|
var xml = document.createElement('ul'); |
xml.setAttribute('id', 'rgbcolor-examples'); |
for (var i = 0; i < examples.length; i++) { |
try { |
var list_item = document.createElement('li'); |
var list_color = new RGBColor(examples[i]); |
var example_div = document.createElement('div'); |
example_div.style.cssText = |
'margin: 3px; ' |
+ 'border: 1px solid black; ' |
+ 'background:' + list_color.toHex() + '; ' |
+ 'color:' + list_color.toHex() |
; |
example_div.appendChild(document.createTextNode('test')); |
var list_item_value = document.createTextNode( |
' ' + examples[i] + ' -> ' + list_color.toRGB() + ' -> ' + list_color.toHex() |
); |
list_item.appendChild(example_div); |
list_item.appendChild(list_item_value); |
xml.appendChild(list_item); |
|
} catch(e){} |
} |
return xml; |
|
} |
|
} |
if (typeof define === "function" && define.amd) { |
define(function () { |
return RGBColor; |
}); |
} else if (typeof module !== "undefined" && module.exports) { |
module.exports = RGBColor; |
} else { |
global.RGBColor = RGBColor; |
} |
return RGBColor; |
})(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this); |