Missing consistent use of getYRanges(). Fixed zoom.html to use yRanges in API.

[dygraphs.git] / rgbcolor / rgbcolor.js

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