/*!
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* ====================================================
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* Kity Formula Render - v1.0.0 - 2014-07-30
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* https://github.com/kitygraph/formula
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* GitHub: https://github.com/kitygraph/formula.git
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* Copyright (c) 2014 Baidu Kity Group; Licensed MIT
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* ====================================================
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*/
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(function () {
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var _p = {
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r: function(index) {
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if (_p[index].inited) {
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return _p[index].value;
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}
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if (typeof _p[index].value === "function") {
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var module = {
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exports: {}
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}, returnValue = _p[index].value(null, module.exports, module);
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_p[index].inited = true;
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_p[index].value = returnValue;
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if (returnValue !== undefined) {
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return returnValue;
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} else {
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for (var key in module.exports) {
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if (module.exports.hasOwnProperty(key)) {
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_p[index].inited = true;
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_p[index].value = module.exports;
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return module.exports;
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}
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}
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}
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} else {
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_p[index].inited = true;
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return _p[index].value;
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}
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}
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};
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/*!
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* canvg库封装
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* canvg官网： https://code.google.com/p/canvg/
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*/
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_p[0] = {
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value: function(require) {
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/**
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* A class to parse color values
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* @author Stoyan Stefanov <sstoo@gmail.com>
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* @link http://www.phpied.com/rgb-color-parser-in-javascript/
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* @license Use it if you like it
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*/
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function RGBColor(color_string) {
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this.ok = false;
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// strip any leading #
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if (color_string.charAt(0) == "#") {
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// remove # if any
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color_string = color_string.substr(1, 6);
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}
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color_string = color_string.replace(/ /g, "");
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color_string = color_string.toLowerCase();
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// before getting into regexps, try simple matches
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// and overwrite the input
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var simple_colors = {
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aliceblue: "f0f8ff",
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antiquewhite: "faebd7",
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aqua: "00ffff",
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aquamarine: "7fffd4",
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azure: "f0ffff",
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beige: "f5f5dc",
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bisque: "ffe4c4",
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black: "000000",
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blanchedalmond: "ffebcd",
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blue: "0000ff",
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blueviolet: "8a2be2",
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brown: "a52a2a",
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burlywood: "deb887",
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cadetblue: "5f9ea0",
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chartreuse: "7fff00",
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chocolate: "d2691e",
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coral: "ff7f50",
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cornflowerblue: "6495ed",
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cornsilk: "fff8dc",
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crimson: "dc143c",
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cyan: "00ffff",
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darkblue: "00008b",
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darkcyan: "008b8b",
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darkgoldenrod: "b8860b",
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darkgray: "a9a9a9",
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darkgreen: "006400",
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darkkhaki: "bdb76b",
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darkmagenta: "8b008b",
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darkolivegreen: "556b2f",
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darkorange: "ff8c00",
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darkorchid: "9932cc",
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darkred: "8b0000",
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darksalmon: "e9967a",
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darkseagreen: "8fbc8f",
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darkslateblue: "483d8b",
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darkslategray: "2f4f4f",
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darkturquoise: "00ced1",
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darkviolet: "9400d3",
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deeppink: "ff1493",
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deepskyblue: "00bfff",
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dimgray: "696969",
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dodgerblue: "1e90ff",
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feldspar: "d19275",
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firebrick: "b22222",
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floralwhite: "fffaf0",
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forestgreen: "228b22",
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fuchsia: "ff00ff",
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gainsboro: "dcdcdc",
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ghostwhite: "f8f8ff",
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gold: "ffd700",
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goldenrod: "daa520",
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gray: "808080",
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green: "008000",
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greenyellow: "adff2f",
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honeydew: "f0fff0",
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hotpink: "ff69b4",
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indianred: "cd5c5c",
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indigo: "4b0082",
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ivory: "fffff0",
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khaki: "f0e68c",
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lavender: "e6e6fa",
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lavenderblush: "fff0f5",
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lawngreen: "7cfc00",
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lemonchiffon: "fffacd",
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lightblue: "add8e6",
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lightcoral: "f08080",
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lightcyan: "e0ffff",
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lightgoldenrodyellow: "fafad2",
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lightgrey: "d3d3d3",
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lightgreen: "90ee90",
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lightpink: "ffb6c1",
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lightsalmon: "ffa07a",
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lightseagreen: "20b2aa",
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lightskyblue: "87cefa",
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lightslateblue: "8470ff",
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lightslategray: "778899",
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lightsteelblue: "b0c4de",
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lightyellow: "ffffe0",
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lime: "00ff00",
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limegreen: "32cd32",
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linen: "faf0e6",
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magenta: "ff00ff",
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maroon: "800000",
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mediumaquamarine: "66cdaa",
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mediumblue: "0000cd",
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mediumorchid: "ba55d3",
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mediumpurple: "9370d8",
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mediumseagreen: "3cb371",
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mediumslateblue: "7b68ee",
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mediumspringgreen: "00fa9a",
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mediumturquoise: "48d1cc",
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mediumvioletred: "c71585",
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midnightblue: "191970",
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mintcream: "f5fffa",
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mistyrose: "ffe4e1",
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moccasin: "ffe4b5",
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navajowhite: "ffdead",
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navy: "000080",
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oldlace: "fdf5e6",
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olive: "808000",
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olivedrab: "6b8e23",
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orange: "ffa500",
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orangered: "ff4500",
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orchid: "da70d6",
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palegoldenrod: "eee8aa",
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palegreen: "98fb98",
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paleturquoise: "afeeee",
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palevioletred: "d87093",
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papayawhip: "ffefd5",
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peachpuff: "ffdab9",
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peru: "cd853f",
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pink: "ffc0cb",
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plum: "dda0dd",
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powderblue: "b0e0e6",
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purple: "800080",
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red: "ff0000",
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rosybrown: "bc8f8f",
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royalblue: "4169e1",
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saddlebrown: "8b4513",
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salmon: "fa8072",
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sandybrown: "f4a460",
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seagreen: "2e8b57",
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seashell: "fff5ee",
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sienna: "a0522d",
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silver: "c0c0c0",
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skyblue: "87ceeb",
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slateblue: "6a5acd",
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slategray: "708090",
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snow: "fffafa",
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springgreen: "00ff7f",
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steelblue: "4682b4",
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tan: "d2b48c",
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teal: "008080",
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thistle: "d8bfd8",
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tomato: "ff6347",
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turquoise: "40e0d0",
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violet: "ee82ee",
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violetred: "d02090",
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wheat: "f5deb3",
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white: "ffffff",
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whitesmoke: "f5f5f5",
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yellow: "ffff00",
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yellowgreen: "9acd32"
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};
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for (var key in simple_colors) {
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if (color_string == key) {
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color_string = simple_colors[key];
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}
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}
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// emd of simple type-in colors
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// array of color definition objects
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var color_defs = [ {
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re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
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example: [ "rgb(123, 234, 45)", "rgb(255,234,245)" ],
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process: function(bits) {
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return [ parseInt(bits[1]), parseInt(bits[2]), parseInt(bits[3]) ];
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}
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}, {
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re: /^(\w{2})(\w{2})(\w{2})$/,
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example: [ "#00ff00", "336699" ],
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process: function(bits) {
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return [ parseInt(bits[1], 16), parseInt(bits[2], 16), parseInt(bits[3], 16) ];
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}
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}, {
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re: /^(\w{1})(\w{1})(\w{1})$/,
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example: [ "#fb0", "f0f" ],
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process: function(bits) {
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return [ parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16) ];
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}
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} ];
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// search through the definitions to find a match
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for (var i = 0; i < color_defs.length; i++) {
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var re = color_defs[i].re;
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var processor = color_defs[i].process;
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var bits = re.exec(color_string);
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if (bits) {
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channels = processor(bits);
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this.r = channels[0];
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this.g = channels[1];
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this.b = channels[2];
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this.ok = true;
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}
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}
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// validate/cleanup values
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this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
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this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
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this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
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// some getters
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this.toRGB = function() {
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return "rgb(" + this.r + ", " + this.g + ", " + this.b + ")";
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};
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this.toHex = function() {
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var r = this.r.toString(16);
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var g = this.g.toString(16);
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var b = this.b.toString(16);
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if (r.length == 1) r = "0" + r;
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if (g.length == 1) g = "0" + g;
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if (b.length == 1) b = "0" + b;
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return "#" + r + g + b;
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};
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// help
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this.getHelpXML = function() {
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var examples = new Array();
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// add regexps
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for (var i = 0; i < color_defs.length; i++) {
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var example = color_defs[i].example;
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for (var j = 0; j < example.length; j++) {
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examples[examples.length] = example[j];
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}
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}
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// add type-in colors
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for (var sc in simple_colors) {
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examples[examples.length] = sc;
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}
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var xml = document.createElement("ul");
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xml.setAttribute("id", "rgbcolor-examples");
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for (var i = 0; i < examples.length; i++) {
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try {
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var list_item = document.createElement("li");
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var list_color = new RGBColor(examples[i]);
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var example_div = document.createElement("div");
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example_div.style.cssText = "margin: 3px; " + "border: 1px solid black; " + "background:" + list_color.toHex() + "; " + "color:" + list_color.toHex();
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example_div.appendChild(document.createTextNode("test"));
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var list_item_value = document.createTextNode(" " + examples[i] + " -> " + list_color.toRGB() + " -> " + list_color.toHex());
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list_item.appendChild(example_div);
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list_item.appendChild(list_item_value);
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xml.appendChild(list_item);
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} catch (e) {}
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}
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return xml;
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};
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}
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/*
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StackBlur - a fast almost Gaussian Blur For Canvas
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Version: 0.5
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Author: Mario Klingemann
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Contact: mario@quasimondo.com
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Website: http://www.quasimondo.com/StackBlurForCanvas
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Twitter: @quasimondo
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In case you find this class useful - especially in commercial projects -
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I am not totally unhappy for a small donation to my PayPal account
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mario@quasimondo.de
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Or support me on flattr:
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https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript
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Copyright (c) 2010 Mario Klingemann
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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var mul_table = [ 512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292, 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292, 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259, 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292, 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373, 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259, 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381, 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292, 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461, 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373, 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309, 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259, 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442, 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381, 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332, 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292, 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259 ];
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var shg_table = [ 9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24 ];
|
function stackBlurImage(imageID, canvasID, radius, blurAlphaChannel) {
|
var img = document.getElementById(imageID);
|
var w = img.naturalWidth;
|
var h = img.naturalHeight;
|
var canvas = document.getElementById(canvasID);
|
canvas.style.width = w + "px";
|
canvas.style.height = h + "px";
|
canvas.width = w;
|
canvas.height = h;
|
var context = canvas.getContext("2d");
|
context.clearRect(0, 0, w, h);
|
context.drawImage(img, 0, 0);
|
if (isNaN(radius) || radius < 1) return;
|
if (blurAlphaChannel) stackBlurCanvasRGBA(canvasID, 0, 0, w, h, radius); else stackBlurCanvasRGB(canvasID, 0, 0, w, h, radius);
|
}
|
function stackBlurCanvasRGBA(id, top_x, top_y, width, height, radius) {
|
if (isNaN(radius) || radius < 1) return;
|
radius |= 0;
|
var canvas = document.getElementById(id);
|
var context = canvas.getContext("2d");
|
var imageData;
|
try {
|
try {
|
imageData = context.getImageData(top_x, top_y, width, height);
|
} catch (e) {
|
// NOTE: this part is supposedly only needed if you want to work with local files
|
// so it might be okay to remove the whole try/catch block and just use
|
// imageData = context.getImageData( top_x, top_y, width, height );
|
try {
|
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
|
imageData = context.getImageData(top_x, top_y, width, height);
|
} catch (e) {
|
alert("Cannot access local image");
|
throw new Error("unable to access local image data: " + e);
|
return;
|
}
|
}
|
} catch (e) {
|
alert("Cannot access image");
|
throw new Error("unable to access image data: " + e);
|
}
|
var pixels = imageData.data;
|
var x, y, i, p, yp, yi, yw, r_sum, g_sum, b_sum, a_sum, r_out_sum, g_out_sum, b_out_sum, a_out_sum, r_in_sum, g_in_sum, b_in_sum, a_in_sum, pr, pg, pb, pa, rbs;
|
var div = radius + radius + 1;
|
var w4 = width << 2;
|
var widthMinus1 = width - 1;
|
var heightMinus1 = height - 1;
|
var radiusPlus1 = radius + 1;
|
var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
|
var stackStart = new BlurStack();
|
var stack = stackStart;
|
for (i = 1; i < div; i++) {
|
stack = stack.next = new BlurStack();
|
if (i == radiusPlus1) var stackEnd = stack;
|
}
|
stack.next = stackStart;
|
var stackIn = null;
|
var stackOut = null;
|
yw = yi = 0;
|
var mul_sum = mul_table[radius];
|
var shg_sum = shg_table[radius];
|
for (y = 0; y < height; y++) {
|
r_in_sum = g_in_sum = b_in_sum = a_in_sum = r_sum = g_sum = b_sum = a_sum = 0;
|
r_out_sum = radiusPlus1 * (pr = pixels[yi]);
|
g_out_sum = radiusPlus1 * (pg = pixels[yi + 1]);
|
b_out_sum = radiusPlus1 * (pb = pixels[yi + 2]);
|
a_out_sum = radiusPlus1 * (pa = pixels[yi + 3]);
|
r_sum += sumFactor * pr;
|
g_sum += sumFactor * pg;
|
b_sum += sumFactor * pb;
|
a_sum += sumFactor * pa;
|
stack = stackStart;
|
for (i = 0; i < radiusPlus1; i++) {
|
stack.r = pr;
|
stack.g = pg;
|
stack.b = pb;
|
stack.a = pa;
|
stack = stack.next;
|
}
|
for (i = 1; i < radiusPlus1; i++) {
|
p = yi + ((widthMinus1 < i ? widthMinus1 : i) << 2);
|
r_sum += (stack.r = pr = pixels[p]) * (rbs = radiusPlus1 - i);
|
g_sum += (stack.g = pg = pixels[p + 1]) * rbs;
|
b_sum += (stack.b = pb = pixels[p + 2]) * rbs;
|
a_sum += (stack.a = pa = pixels[p + 3]) * rbs;
|
r_in_sum += pr;
|
g_in_sum += pg;
|
b_in_sum += pb;
|
a_in_sum += pa;
|
stack = stack.next;
|
}
|
stackIn = stackStart;
|
stackOut = stackEnd;
|
for (x = 0; x < width; x++) {
|
pixels[yi + 3] = pa = a_sum * mul_sum >> shg_sum;
|
if (pa != 0) {
|
pa = 255 / pa;
|
pixels[yi] = (r_sum * mul_sum >> shg_sum) * pa;
|
pixels[yi + 1] = (g_sum * mul_sum >> shg_sum) * pa;
|
pixels[yi + 2] = (b_sum * mul_sum >> shg_sum) * pa;
|
} else {
|
pixels[yi] = pixels[yi + 1] = pixels[yi + 2] = 0;
|
}
|
r_sum -= r_out_sum;
|
g_sum -= g_out_sum;
|
b_sum -= b_out_sum;
|
a_sum -= a_out_sum;
|
r_out_sum -= stackIn.r;
|
g_out_sum -= stackIn.g;
|
b_out_sum -= stackIn.b;
|
a_out_sum -= stackIn.a;
|
p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
|
r_in_sum += stackIn.r = pixels[p];
|
g_in_sum += stackIn.g = pixels[p + 1];
|
b_in_sum += stackIn.b = pixels[p + 2];
|
a_in_sum += stackIn.a = pixels[p + 3];
|
r_sum += r_in_sum;
|
g_sum += g_in_sum;
|
b_sum += b_in_sum;
|
a_sum += a_in_sum;
|
stackIn = stackIn.next;
|
r_out_sum += pr = stackOut.r;
|
g_out_sum += pg = stackOut.g;
|
b_out_sum += pb = stackOut.b;
|
a_out_sum += pa = stackOut.a;
|
r_in_sum -= pr;
|
g_in_sum -= pg;
|
b_in_sum -= pb;
|
a_in_sum -= pa;
|
stackOut = stackOut.next;
|
yi += 4;
|
}
|
yw += width;
|
}
|
for (x = 0; x < width; x++) {
|
g_in_sum = b_in_sum = a_in_sum = r_in_sum = g_sum = b_sum = a_sum = r_sum = 0;
|
yi = x << 2;
|
r_out_sum = radiusPlus1 * (pr = pixels[yi]);
|
g_out_sum = radiusPlus1 * (pg = pixels[yi + 1]);
|
b_out_sum = radiusPlus1 * (pb = pixels[yi + 2]);
|
a_out_sum = radiusPlus1 * (pa = pixels[yi + 3]);
|
r_sum += sumFactor * pr;
|
g_sum += sumFactor * pg;
|
b_sum += sumFactor * pb;
|
a_sum += sumFactor * pa;
|
stack = stackStart;
|
for (i = 0; i < radiusPlus1; i++) {
|
stack.r = pr;
|
stack.g = pg;
|
stack.b = pb;
|
stack.a = pa;
|
stack = stack.next;
|
}
|
yp = width;
|
for (i = 1; i <= radius; i++) {
|
yi = yp + x << 2;
|
r_sum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
|
g_sum += (stack.g = pg = pixels[yi + 1]) * rbs;
|
b_sum += (stack.b = pb = pixels[yi + 2]) * rbs;
|
a_sum += (stack.a = pa = pixels[yi + 3]) * rbs;
|
r_in_sum += pr;
|
g_in_sum += pg;
|
b_in_sum += pb;
|
a_in_sum += pa;
|
stack = stack.next;
|
if (i < heightMinus1) {
|
yp += width;
|
}
|
}
|
yi = x;
|
stackIn = stackStart;
|
stackOut = stackEnd;
|
for (y = 0; y < height; y++) {
|
p = yi << 2;
|
pixels[p + 3] = pa = a_sum * mul_sum >> shg_sum;
|
if (pa > 0) {
|
pa = 255 / pa;
|
pixels[p] = (r_sum * mul_sum >> shg_sum) * pa;
|
pixels[p + 1] = (g_sum * mul_sum >> shg_sum) * pa;
|
pixels[p + 2] = (b_sum * mul_sum >> shg_sum) * pa;
|
} else {
|
pixels[p] = pixels[p + 1] = pixels[p + 2] = 0;
|
}
|
r_sum -= r_out_sum;
|
g_sum -= g_out_sum;
|
b_sum -= b_out_sum;
|
a_sum -= a_out_sum;
|
r_out_sum -= stackIn.r;
|
g_out_sum -= stackIn.g;
|
b_out_sum -= stackIn.b;
|
a_out_sum -= stackIn.a;
|
p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
|
r_sum += r_in_sum += stackIn.r = pixels[p];
|
g_sum += g_in_sum += stackIn.g = pixels[p + 1];
|
b_sum += b_in_sum += stackIn.b = pixels[p + 2];
|
a_sum += a_in_sum += stackIn.a = pixels[p + 3];
|
stackIn = stackIn.next;
|
r_out_sum += pr = stackOut.r;
|
g_out_sum += pg = stackOut.g;
|
b_out_sum += pb = stackOut.b;
|
a_out_sum += pa = stackOut.a;
|
r_in_sum -= pr;
|
g_in_sum -= pg;
|
b_in_sum -= pb;
|
a_in_sum -= pa;
|
stackOut = stackOut.next;
|
yi += width;
|
}
|
}
|
context.putImageData(imageData, top_x, top_y);
|
}
|
function stackBlurCanvasRGB(id, top_x, top_y, width, height, radius) {
|
if (isNaN(radius) || radius < 1) return;
|
radius |= 0;
|
var canvas = document.getElementById(id);
|
var context = canvas.getContext("2d");
|
var imageData;
|
try {
|
try {
|
imageData = context.getImageData(top_x, top_y, width, height);
|
} catch (e) {
|
// NOTE: this part is supposedly only needed if you want to work with local files
|
// so it might be okay to remove the whole try/catch block and just use
|
// imageData = context.getImageData( top_x, top_y, width, height );
|
try {
|
netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
|
imageData = context.getImageData(top_x, top_y, width, height);
|
} catch (e) {
|
alert("Cannot access local image");
|
throw new Error("unable to access local image data: " + e);
|
return;
|
}
|
}
|
} catch (e) {
|
alert("Cannot access image");
|
throw new Error("unable to access image data: " + e);
|
}
|
var pixels = imageData.data;
|
var x, y, i, p, yp, yi, yw, r_sum, g_sum, b_sum, r_out_sum, g_out_sum, b_out_sum, r_in_sum, g_in_sum, b_in_sum, pr, pg, pb, rbs;
|
var div = radius + radius + 1;
|
var w4 = width << 2;
|
var widthMinus1 = width - 1;
|
var heightMinus1 = height - 1;
|
var radiusPlus1 = radius + 1;
|
var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
|
var stackStart = new BlurStack();
|
var stack = stackStart;
|
for (i = 1; i < div; i++) {
|
stack = stack.next = new BlurStack();
|
if (i == radiusPlus1) var stackEnd = stack;
|
}
|
stack.next = stackStart;
|
var stackIn = null;
|
var stackOut = null;
|
yw = yi = 0;
|
var mul_sum = mul_table[radius];
|
var shg_sum = shg_table[radius];
|
for (y = 0; y < height; y++) {
|
r_in_sum = g_in_sum = b_in_sum = r_sum = g_sum = b_sum = 0;
|
r_out_sum = radiusPlus1 * (pr = pixels[yi]);
|
g_out_sum = radiusPlus1 * (pg = pixels[yi + 1]);
|
b_out_sum = radiusPlus1 * (pb = pixels[yi + 2]);
|
r_sum += sumFactor * pr;
|
g_sum += sumFactor * pg;
|
b_sum += sumFactor * pb;
|
stack = stackStart;
|
for (i = 0; i < radiusPlus1; i++) {
|
stack.r = pr;
|
stack.g = pg;
|
stack.b = pb;
|
stack = stack.next;
|
}
|
for (i = 1; i < radiusPlus1; i++) {
|
p = yi + ((widthMinus1 < i ? widthMinus1 : i) << 2);
|
r_sum += (stack.r = pr = pixels[p]) * (rbs = radiusPlus1 - i);
|
g_sum += (stack.g = pg = pixels[p + 1]) * rbs;
|
b_sum += (stack.b = pb = pixels[p + 2]) * rbs;
|
r_in_sum += pr;
|
g_in_sum += pg;
|
b_in_sum += pb;
|
stack = stack.next;
|
}
|
stackIn = stackStart;
|
stackOut = stackEnd;
|
for (x = 0; x < width; x++) {
|
pixels[yi] = r_sum * mul_sum >> shg_sum;
|
pixels[yi + 1] = g_sum * mul_sum >> shg_sum;
|
pixels[yi + 2] = b_sum * mul_sum >> shg_sum;
|
r_sum -= r_out_sum;
|
g_sum -= g_out_sum;
|
b_sum -= b_out_sum;
|
r_out_sum -= stackIn.r;
|
g_out_sum -= stackIn.g;
|
b_out_sum -= stackIn.b;
|
p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
|
r_in_sum += stackIn.r = pixels[p];
|
g_in_sum += stackIn.g = pixels[p + 1];
|
b_in_sum += stackIn.b = pixels[p + 2];
|
r_sum += r_in_sum;
|
g_sum += g_in_sum;
|
b_sum += b_in_sum;
|
stackIn = stackIn.next;
|
r_out_sum += pr = stackOut.r;
|
g_out_sum += pg = stackOut.g;
|
b_out_sum += pb = stackOut.b;
|
r_in_sum -= pr;
|
g_in_sum -= pg;
|
b_in_sum -= pb;
|
stackOut = stackOut.next;
|
yi += 4;
|
}
|
yw += width;
|
}
|
for (x = 0; x < width; x++) {
|
g_in_sum = b_in_sum = r_in_sum = g_sum = b_sum = r_sum = 0;
|
yi = x << 2;
|
r_out_sum = radiusPlus1 * (pr = pixels[yi]);
|
g_out_sum = radiusPlus1 * (pg = pixels[yi + 1]);
|
b_out_sum = radiusPlus1 * (pb = pixels[yi + 2]);
|
r_sum += sumFactor * pr;
|
g_sum += sumFactor * pg;
|
b_sum += sumFactor * pb;
|
stack = stackStart;
|
for (i = 0; i < radiusPlus1; i++) {
|
stack.r = pr;
|
stack.g = pg;
|
stack.b = pb;
|
stack = stack.next;
|
}
|
yp = width;
|
for (i = 1; i <= radius; i++) {
|
yi = yp + x << 2;
|
r_sum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
|
g_sum += (stack.g = pg = pixels[yi + 1]) * rbs;
|
b_sum += (stack.b = pb = pixels[yi + 2]) * rbs;
|
r_in_sum += pr;
|
g_in_sum += pg;
|
b_in_sum += pb;
|
stack = stack.next;
|
if (i < heightMinus1) {
|
yp += width;
|
}
|
}
|
yi = x;
|
stackIn = stackStart;
|
stackOut = stackEnd;
|
for (y = 0; y < height; y++) {
|
p = yi << 2;
|
pixels[p] = r_sum * mul_sum >> shg_sum;
|
pixels[p + 1] = g_sum * mul_sum >> shg_sum;
|
pixels[p + 2] = b_sum * mul_sum >> shg_sum;
|
r_sum -= r_out_sum;
|
g_sum -= g_out_sum;
|
b_sum -= b_out_sum;
|
r_out_sum -= stackIn.r;
|
g_out_sum -= stackIn.g;
|
b_out_sum -= stackIn.b;
|
p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
|
r_sum += r_in_sum += stackIn.r = pixels[p];
|
g_sum += g_in_sum += stackIn.g = pixels[p + 1];
|
b_sum += b_in_sum += stackIn.b = pixels[p + 2];
|
stackIn = stackIn.next;
|
r_out_sum += pr = stackOut.r;
|
g_out_sum += pg = stackOut.g;
|
b_out_sum += pb = stackOut.b;
|
r_in_sum -= pr;
|
g_in_sum -= pg;
|
b_in_sum -= pb;
|
stackOut = stackOut.next;
|
yi += width;
|
}
|
}
|
context.putImageData(imageData, top_x, top_y);
|
}
|
function BlurStack() {
|
this.r = 0;
|
this.g = 0;
|
this.b = 0;
|
this.a = 0;
|
this.next = null;
|
}
|
/*
|
* canvg.js - Javascript SVG parser and renderer on Canvas
|
* MIT Licensed
|
* Gabe Lerner (gabelerner@gmail.com)
|
* http://code.google.com/p/canvg/
|
*
|
* Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
|
*/
|
(function() {
|
// canvg(target, s)
|
// empty parameters: replace all 'svg' elements on page with 'canvas' elements
|
// target: canvas element or the id of a canvas element
|
// s: svg string, url to svg file, or xml document
|
// opts: optional hash of options
|
// ignoreMouse: true => ignore mouse events
|
// ignoreAnimation: true => ignore animations
|
// ignoreDimensions: true => does not try to resize canvas
|
// ignoreClear: true => does not clear canvas
|
// offsetX: int => draws at a x offset
|
// offsetY: int => draws at a y offset
|
// scaleWidth: int => scales horizontally to width
|
// scaleHeight: int => scales vertically to height
|
// renderCallback: function => will call the function after the first render is completed
|
// forceRedraw: function => will call the function on every frame, if it returns true, will redraw
|
this.canvg = function(target, s, opts) {
|
// no parameters
|
if (target == null && s == null && opts == null) {
|
var svgTags = document.getElementsByTagName("svg");
|
for (var i = 0; i < svgTags.length; i++) {
|
var svgTag = svgTags[i];
|
var c = document.createElement("canvas");
|
c.width = svgTag.clientWidth;
|
c.height = svgTag.clientHeight;
|
svgTag.parentNode.insertBefore(c, svgTag);
|
svgTag.parentNode.removeChild(svgTag);
|
var div = document.createElement("div");
|
div.appendChild(svgTag);
|
canvg(c, div.innerHTML);
|
}
|
return;
|
}
|
opts = opts || {};
|
if (typeof target == "string") {
|
target = document.getElementById(target);
|
}
|
// store class on canvas
|
if (target.svg != null) target.svg.stop();
|
var svg = build();
|
// on i.e. 8 for flash canvas, we can't assign the property so check for it
|
if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == "OBJECT")) target.svg = svg;
|
svg.opts = opts;
|
var ctx = target.getContext("2d");
|
if (typeof s.documentElement != "undefined") {
|
// load from xml doc
|
svg.loadXmlDoc(ctx, s);
|
} else if (s.substr(0, 1) == "<") {
|
// load from xml string
|
svg.loadXml(ctx, s);
|
} else {
|
// load from url
|
svg.load(ctx, s);
|
}
|
};
|
function build() {
|
var svg = {};
|
svg.FRAMERATE = 30;
|
svg.MAX_VIRTUAL_PIXELS = 3e4;
|
// globals
|
svg.init = function(ctx) {
|
var uniqueId = 0;
|
svg.UniqueId = function() {
|
uniqueId++;
|
return "canvg" + uniqueId;
|
};
|
svg.Definitions = {};
|
svg.Styles = {};
|
svg.Animations = [];
|
svg.Images = [];
|
svg.ctx = ctx;
|
svg.ViewPort = new function() {
|
this.viewPorts = [];
|
this.Clear = function() {
|
this.viewPorts = [];
|
};
|
this.SetCurrent = function(width, height) {
|
this.viewPorts.push({
|
width: width,
|
height: height
|
});
|
};
|
this.RemoveCurrent = function() {
|
this.viewPorts.pop();
|
};
|
this.Current = function() {
|
return this.viewPorts[this.viewPorts.length - 1];
|
};
|
this.width = function() {
|
return this.Current().width;
|
};
|
this.height = function() {
|
return this.Current().height;
|
};
|
this.ComputeSize = function(d) {
|
if (d != null && typeof d == "number") return d;
|
if (d == "x") return this.width();
|
if (d == "y") return this.height();
|
return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
|
};
|
}();
|
};
|
svg.init();
|
// images loaded
|
svg.ImagesLoaded = function() {
|
for (var i = 0; i < svg.Images.length; i++) {
|
if (!svg.Images[i].loaded) return false;
|
}
|
return true;
|
};
|
// trim
|
svg.trim = function(s) {
|
return s.replace(/^\s+|\s+$/g, "");
|
};
|
// compress spaces
|
svg.compressSpaces = function(s) {
|
return s.replace(/[\s\r\t\n]+/gm, " ");
|
};
|
// ajax
|
svg.ajax = function(url) {
|
var AJAX;
|
if (window.XMLHttpRequest) {
|
AJAX = new XMLHttpRequest();
|
} else {
|
AJAX = new ActiveXObject("Microsoft.XMLHTTP");
|
}
|
if (AJAX) {
|
AJAX.open("GET", url, false);
|
AJAX.send(null);
|
return AJAX.responseText;
|
}
|
return null;
|
};
|
// parse xml
|
svg.parseXml = function(xml) {
|
if (window.DOMParser) {
|
var parser = new DOMParser();
|
return parser.parseFromString(xml, "text/xml");
|
} else {
|
xml = xml.replace(/<!DOCTYPE svg[^>]*>/, "");
|
var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
|
xmlDoc.async = "false";
|
xmlDoc.loadXML(xml);
|
return xmlDoc;
|
}
|
};
|
svg.Property = function(name, value) {
|
this.name = name;
|
this.value = value;
|
};
|
svg.Property.prototype.getValue = function() {
|
return this.value;
|
};
|
svg.Property.prototype.hasValue = function() {
|
return this.value != null && this.value !== "";
|
};
|
// return the numerical value of the property
|
svg.Property.prototype.numValue = function() {
|
if (!this.hasValue()) return 0;
|
var n = parseFloat(this.value);
|
if ((this.value + "").match(/%$/)) {
|
n = n / 100;
|
}
|
return n;
|
};
|
svg.Property.prototype.valueOrDefault = function(def) {
|
if (this.hasValue()) return this.value;
|
return def;
|
};
|
svg.Property.prototype.numValueOrDefault = function(def) {
|
if (this.hasValue()) return this.numValue();
|
return def;
|
};
|
// color extensions
|
// augment the current color value with the opacity
|
svg.Property.prototype.addOpacity = function(opacity) {
|
var newValue = this.value;
|
if (opacity != null && opacity != "" && typeof this.value == "string") {
|
// can only add opacity to colors, not patterns
|
var color = new RGBColor(this.value);
|
if (color.ok) {
|
newValue = "rgba(" + color.r + ", " + color.g + ", " + color.b + ", " + opacity + ")";
|
}
|
}
|
return new svg.Property(this.name, newValue);
|
};
|
// definition extensions
|
// get the definition from the definitions table
|
svg.Property.prototype.getDefinition = function() {
|
var name = this.value.match(/#([^\)'"]+)/);
|
if (name) {
|
name = name[1];
|
}
|
if (!name) {
|
name = this.value;
|
}
|
return svg.Definitions[name];
|
};
|
svg.Property.prototype.isUrlDefinition = function() {
|
return this.value.indexOf("url(") == 0;
|
};
|
svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) {
|
var def = this.getDefinition();
|
// gradient
|
if (def != null && def.createGradient) {
|
return def.createGradient(svg.ctx, e, opacityProp);
|
}
|
// pattern
|
if (def != null && def.createPattern) {
|
if (def.getHrefAttribute().hasValue()) {
|
var pt = def.attribute("patternTransform");
|
def = def.getHrefAttribute().getDefinition();
|
if (pt.hasValue()) {
|
def.attribute("patternTransform", true).value = pt.value;
|
}
|
}
|
return def.createPattern(svg.ctx, e);
|
}
|
return null;
|
};
|
// length extensions
|
svg.Property.prototype.getDPI = function(viewPort) {
|
return 96;
|
};
|
svg.Property.prototype.getEM = function(viewPort) {
|
var em = 12;
|
var fontSize = new svg.Property("fontSize", svg.Font.Parse(svg.ctx.font).fontSize);
|
if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
|
return em;
|
};
|
svg.Property.prototype.getUnits = function() {
|
var s = this.value + "";
|
return s.replace(/[0-9\.\-]/g, "");
|
};
|
// get the length as pixels
|
svg.Property.prototype.toPixels = function(viewPort, processPercent) {
|
if (!this.hasValue()) return 0;
|
var s = this.value + "";
|
if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort);
|
if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2;
|
if (s.match(/px$/)) return this.numValue();
|
if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1 / 72);
|
if (s.match(/pc$/)) return this.numValue() * 15;
|
if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54;
|
if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4;
|
if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort);
|
if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort);
|
var n = this.numValue();
|
if (processPercent && n < 1) return n * svg.ViewPort.ComputeSize(viewPort);
|
return n;
|
};
|
// time extensions
|
// get the time as milliseconds
|
svg.Property.prototype.toMilliseconds = function() {
|
if (!this.hasValue()) return 0;
|
var s = this.value + "";
|
if (s.match(/s$/)) return this.numValue() * 1e3;
|
if (s.match(/ms$/)) return this.numValue();
|
return this.numValue();
|
};
|
// angle extensions
|
// get the angle as radians
|
svg.Property.prototype.toRadians = function() {
|
if (!this.hasValue()) return 0;
|
var s = this.value + "";
|
if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180);
|
if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200);
|
if (s.match(/rad$/)) return this.numValue();
|
return this.numValue() * (Math.PI / 180);
|
};
|
// fonts
|
svg.Font = new function() {
|
this.Styles = "normal|italic|oblique|inherit";
|
this.Variants = "normal|small-caps|inherit";
|
this.Weights = "normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit";
|
this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
|
var f = inherit != null ? this.Parse(inherit) : this.CreateFont("", "", "", "", "", svg.ctx.font);
|
return {
|
fontFamily: fontFamily || f.fontFamily,
|
fontSize: fontSize || f.fontSize,
|
fontStyle: fontStyle || f.fontStyle,
|
fontWeight: fontWeight || f.fontWeight,
|
fontVariant: fontVariant || f.fontVariant,
|
toString: function() {
|
return [ this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily ].join(" ");
|
}
|
};
|
};
|
var that = this;
|
this.Parse = function(s) {
|
var f = {};
|
var d = svg.trim(svg.compressSpaces(s || "")).split(" ");
|
var set = {
|
fontSize: false,
|
fontStyle: false,
|
fontWeight: false,
|
fontVariant: false
|
};
|
var ff = "";
|
for (var i = 0; i < d.length; i++) {
|
if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) {
|
if (d[i] != "inherit") f.fontStyle = d[i];
|
set.fontStyle = true;
|
} else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) {
|
if (d[i] != "inherit") f.fontVariant = d[i];
|
set.fontStyle = set.fontVariant = true;
|
} else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) {
|
if (d[i] != "inherit") f.fontWeight = d[i];
|
set.fontStyle = set.fontVariant = set.fontWeight = true;
|
} else if (!set.fontSize) {
|
if (d[i] != "inherit") f.fontSize = d[i].split("/")[0];
|
set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true;
|
} else {
|
if (d[i] != "inherit") ff += d[i];
|
}
|
}
|
if (ff != "") f.fontFamily = ff;
|
return f;
|
};
|
}();
|
// points and paths
|
svg.ToNumberArray = function(s) {
|
var a = svg.trim(svg.compressSpaces((s || "").replace(/,/g, " "))).split(" ");
|
for (var i = 0; i < a.length; i++) {
|
a[i] = parseFloat(a[i]);
|
}
|
return a;
|
};
|
svg.Point = function(x, y) {
|
this.x = x;
|
this.y = y;
|
};
|
svg.Point.prototype.angleTo = function(p) {
|
return Math.atan2(p.y - this.y, p.x - this.x);
|
};
|
svg.Point.prototype.applyTransform = function(v) {
|
var xp = this.x * v[0] + this.y * v[2] + v[4];
|
var yp = this.x * v[1] + this.y * v[3] + v[5];
|
this.x = xp;
|
this.y = yp;
|
};
|
svg.CreatePoint = function(s) {
|
var a = svg.ToNumberArray(s);
|
return new svg.Point(a[0], a[1]);
|
};
|
svg.CreatePath = function(s) {
|
var a = svg.ToNumberArray(s);
|
var path = [];
|
for (var i = 0; i < a.length; i += 2) {
|
path.push(new svg.Point(a[i], a[i + 1]));
|
}
|
return path;
|
};
|
// bounding box
|
svg.BoundingBox = function(x1, y1, x2, y2) {
|
// pass in initial points if you want
|
this.x1 = Number.NaN;
|
this.y1 = Number.NaN;
|
this.x2 = Number.NaN;
|
this.y2 = Number.NaN;
|
this.x = function() {
|
return this.x1;
|
};
|
this.y = function() {
|
return this.y1;
|
};
|
this.width = function() {
|
return this.x2 - this.x1;
|
};
|
this.height = function() {
|
return this.y2 - this.y1;
|
};
|
this.addPoint = function(x, y) {
|
if (x != null) {
|
if (isNaN(this.x1) || isNaN(this.x2)) {
|
this.x1 = x;
|
this.x2 = x;
|
}
|
if (x < this.x1) this.x1 = x;
|
if (x > this.x2) this.x2 = x;
|
}
|
if (y != null) {
|
if (isNaN(this.y1) || isNaN(this.y2)) {
|
this.y1 = y;
|
this.y2 = y;
|
}
|
if (y < this.y1) this.y1 = y;
|
if (y > this.y2) this.y2 = y;
|
}
|
};
|
this.addX = function(x) {
|
this.addPoint(x, null);
|
};
|
this.addY = function(y) {
|
this.addPoint(null, y);
|
};
|
this.addBoundingBox = function(bb) {
|
this.addPoint(bb.x1, bb.y1);
|
this.addPoint(bb.x2, bb.y2);
|
};
|
this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
|
var cp1x = p0x + 2 / 3 * (p1x - p0x);
|
// CP1 = QP0 + 2/3 *(QP1-QP0)
|
var cp1y = p0y + 2 / 3 * (p1y - p0y);
|
// CP1 = QP0 + 2/3 *(QP1-QP0)
|
var cp2x = cp1x + 1 / 3 * (p2x - p0x);
|
// CP2 = CP1 + 1/3 *(QP2-QP0)
|
var cp2y = cp1y + 1 / 3 * (p2y - p0y);
|
// CP2 = CP1 + 1/3 *(QP2-QP0)
|
this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
|
};
|
this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
|
// from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
|
var p0 = [ p0x, p0y ], p1 = [ p1x, p1y ], p2 = [ p2x, p2y ], p3 = [ p3x, p3y ];
|
this.addPoint(p0[0], p0[1]);
|
this.addPoint(p3[0], p3[1]);
|
for (i = 0; i <= 1; i++) {
|
var f = function(t) {
|
return Math.pow(1 - t, 3) * p0[i] + 3 * Math.pow(1 - t, 2) * t * p1[i] + 3 * (1 - t) * Math.pow(t, 2) * p2[i] + Math.pow(t, 3) * p3[i];
|
};
|
var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
|
var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
|
var c = 3 * p1[i] - 3 * p0[i];
|
if (a == 0) {
|
if (b == 0) continue;
|
var t = -c / b;
|
if (0 < t && t < 1) {
|
if (i == 0) this.addX(f(t));
|
if (i == 1) this.addY(f(t));
|
}
|
continue;
|
}
|
var b2ac = Math.pow(b, 2) - 4 * c * a;
|
if (b2ac < 0) continue;
|
var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
|
if (0 < t1 && t1 < 1) {
|
if (i == 0) this.addX(f(t1));
|
if (i == 1) this.addY(f(t1));
|
}
|
var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
|
if (0 < t2 && t2 < 1) {
|
if (i == 0) this.addX(f(t2));
|
if (i == 1) this.addY(f(t2));
|
}
|
}
|
};
|
this.isPointInBox = function(x, y) {
|
return this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2;
|
};
|
this.addPoint(x1, y1);
|
this.addPoint(x2, y2);
|
};
|
// transforms
|
svg.Transform = function(v) {
|
var that = this;
|
this.Type = {};
|
// translate
|
this.Type.translate = function(s) {
|
this.p = svg.CreatePoint(s);
|
this.apply = function(ctx) {
|
ctx.translate(this.p.x || 0, this.p.y || 0);
|
};
|
this.unapply = function(ctx) {
|
ctx.translate(-1 * this.p.x || 0, -1 * this.p.y || 0);
|
};
|
this.applyToPoint = function(p) {
|
p.applyTransform([ 1, 0, 0, 1, this.p.x || 0, this.p.y || 0 ]);
|
};
|
};
|
// rotate
|
this.Type.rotate = function(s) {
|
var a = svg.ToNumberArray(s);
|
this.angle = new svg.Property("angle", a[0]);
|
this.cx = a[1] || 0;
|
this.cy = a[2] || 0;
|
this.apply = function(ctx) {
|
ctx.translate(this.cx, this.cy);
|
ctx.rotate(this.angle.toRadians());
|
ctx.translate(-this.cx, -this.cy);
|
};
|
this.unapply = function(ctx) {
|
ctx.translate(this.cx, this.cy);
|
ctx.rotate(-1 * this.angle.toRadians());
|
ctx.translate(-this.cx, -this.cy);
|
};
|
this.applyToPoint = function(p) {
|
var a = this.angle.toRadians();
|
p.applyTransform([ 1, 0, 0, 1, this.p.x || 0, this.p.y || 0 ]);
|
p.applyTransform([ Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0 ]);
|
p.applyTransform([ 1, 0, 0, 1, -this.p.x || 0, -this.p.y || 0 ]);
|
};
|
};
|
this.Type.scale = function(s) {
|
this.p = svg.CreatePoint(s);
|
this.apply = function(ctx) {
|
ctx.scale(this.p.x || 1, this.p.y || this.p.x || 1);
|
};
|
this.unapply = function(ctx) {
|
ctx.scale(1 / this.p.x || 1, 1 / this.p.y || this.p.x || 1);
|
};
|
this.applyToPoint = function(p) {
|
p.applyTransform([ this.p.x || 0, 0, 0, this.p.y || 0, 0, 0 ]);
|
};
|
};
|
this.Type.matrix = function(s) {
|
this.m = svg.ToNumberArray(s);
|
this.apply = function(ctx) {
|
ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
|
};
|
this.applyToPoint = function(p) {
|
p.applyTransform(this.m);
|
};
|
};
|
this.Type.SkewBase = function(s) {
|
this.base = that.Type.matrix;
|
this.base(s);
|
this.angle = new svg.Property("angle", s);
|
};
|
this.Type.SkewBase.prototype = new this.Type.matrix();
|
this.Type.skewX = function(s) {
|
this.base = that.Type.SkewBase;
|
this.base(s);
|
this.m = [ 1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0 ];
|
};
|
this.Type.skewX.prototype = new this.Type.SkewBase();
|
this.Type.skewY = function(s) {
|
this.base = that.Type.SkewBase;
|
this.base(s);
|
this.m = [ 1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0 ];
|
};
|
this.Type.skewY.prototype = new this.Type.SkewBase();
|
this.transforms = [];
|
this.apply = function(ctx) {
|
for (var i = 0; i < this.transforms.length; i++) {
|
this.transforms[i].apply(ctx);
|
}
|
};
|
this.unapply = function(ctx) {
|
for (var i = this.transforms.length - 1; i >= 0; i--) {
|
this.transforms[i].unapply(ctx);
|
}
|
};
|
this.applyToPoint = function(p) {
|
for (var i = 0; i < this.transforms.length; i++) {
|
this.transforms[i].applyToPoint(p);
|
}
|
};
|
var data = svg.trim(svg.compressSpaces(v)).replace(/\)(\s?,\s?)/g, ") ").split(/\s(?=[a-z])/);
|
for (var i = 0; i < data.length; i++) {
|
var type = svg.trim(data[i].split("(")[0]);
|
var s = data[i].split("(")[1].replace(")", "");
|
var transform = new this.Type[type](s);
|
transform.type = type;
|
this.transforms.push(transform);
|
}
|
};
|
// aspect ratio
|
svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
|
// aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
|
aspectRatio = svg.compressSpaces(aspectRatio);
|
aspectRatio = aspectRatio.replace(/^defer\s/, "");
|
// ignore defer
|
var align = aspectRatio.split(" ")[0] || "xMidYMid";
|
var meetOrSlice = aspectRatio.split(" ")[1] || "meet";
|
// calculate scale
|
var scaleX = width / desiredWidth;
|
var scaleY = height / desiredHeight;
|
var scaleMin = Math.min(scaleX, scaleY);
|
var scaleMax = Math.max(scaleX, scaleY);
|
if (meetOrSlice == "meet") {
|
desiredWidth *= scaleMin;
|
desiredHeight *= scaleMin;
|
}
|
if (meetOrSlice == "slice") {
|
desiredWidth *= scaleMax;
|
desiredHeight *= scaleMax;
|
}
|
refX = new svg.Property("refX", refX);
|
refY = new svg.Property("refY", refY);
|
if (refX.hasValue() && refY.hasValue()) {
|
ctx.translate(-scaleMin * refX.toPixels("x"), -scaleMin * refY.toPixels("y"));
|
} else {
|
// align
|
if (align.match(/^xMid/) && (meetOrSlice == "meet" && scaleMin == scaleY || meetOrSlice == "slice" && scaleMax == scaleY)) ctx.translate(width / 2 - desiredWidth / 2, 0);
|
if (align.match(/YMid$/) && (meetOrSlice == "meet" && scaleMin == scaleX || meetOrSlice == "slice" && scaleMax == scaleX)) ctx.translate(0, height / 2 - desiredHeight / 2);
|
if (align.match(/^xMax/) && (meetOrSlice == "meet" && scaleMin == scaleY || meetOrSlice == "slice" && scaleMax == scaleY)) ctx.translate(width - desiredWidth, 0);
|
if (align.match(/YMax$/) && (meetOrSlice == "meet" && scaleMin == scaleX || meetOrSlice == "slice" && scaleMax == scaleX)) ctx.translate(0, height - desiredHeight);
|
}
|
// scale
|
if (align == "none") ctx.scale(scaleX, scaleY); else if (meetOrSlice == "meet") ctx.scale(scaleMin, scaleMin); else if (meetOrSlice == "slice") ctx.scale(scaleMax, scaleMax);
|
// translate
|
ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
|
};
|
// elements
|
svg.Element = {};
|
svg.EmptyProperty = new svg.Property("EMPTY", "");
|
svg.Element.ElementBase = function(node) {
|
this.attributes = {};
|
this.styles = {};
|
this.children = [];
|
// get or create attribute
|
this.attribute = function(name, createIfNotExists) {
|
var a = this.attributes[name];
|
if (a != null) return a;
|
if (createIfNotExists == true) {
|
a = new svg.Property(name, "");
|
this.attributes[name] = a;
|
}
|
return a || svg.EmptyProperty;
|
};
|
this.getHrefAttribute = function() {
|
for (var a in this.attributes) {
|
if (a.match(/:href$/)) {
|
return this.attributes[a];
|
}
|
}
|
return svg.EmptyProperty;
|
};
|
// get or create style, crawls up node tree
|
this.style = function(name, createIfNotExists) {
|
var s = this.styles[name];
|
if (s != null) return s;
|
var a = this.attribute(name);
|
if (a != null && a.hasValue()) {
|
this.styles[name] = a;
|
// move up to me to cache
|
return a;
|
}
|
var p = this.parent;
|
if (p != null) {
|
var ps = p.style(name);
|
if (ps != null && ps.hasValue()) {
|
return ps;
|
}
|
}
|
if (createIfNotExists == true) {
|
s = new svg.Property(name, "");
|
this.styles[name] = s;
|
}
|
return s || svg.EmptyProperty;
|
};
|
// base render
|
this.render = function(ctx) {
|
// don't render display=none
|
if (this.style("display").value == "none") return;
|
// don't render visibility=hidden
|
if (this.attribute("visibility").value == "hidden") return;
|
ctx.save();
|
if (this.attribute("mask").hasValue()) {
|
// mask
|
var mask = this.attribute("mask").getDefinition();
|
if (mask != null) mask.apply(ctx, this);
|
} else if (this.style("filter").hasValue()) {
|
// filter
|
var filter = this.style("filter").getDefinition();
|
if (filter != null) filter.apply(ctx, this);
|
} else {
|
this.setContext(ctx);
|
this.renderChildren(ctx);
|
this.clearContext(ctx);
|
}
|
ctx.restore();
|
};
|
// base set context
|
this.setContext = function(ctx) {};
|
// base clear context
|
this.clearContext = function(ctx) {};
|
// base render children
|
this.renderChildren = function(ctx) {
|
for (var i = 0; i < this.children.length; i++) {
|
this.children[i].render(ctx);
|
}
|
};
|
this.addChild = function(childNode, create) {
|
var child = childNode;
|
if (create) child = svg.CreateElement(childNode);
|
child.parent = this;
|
this.children.push(child);
|
};
|
if (node != null && node.nodeType == 1) {
|
//ELEMENT_NODE
|
// add children
|
for (var i = 0; i < node.childNodes.length; i++) {
|
var childNode = node.childNodes[i];
|
if (childNode.nodeType == 1) this.addChild(childNode, true);
|
//ELEMENT_NODE
|
if (this.captureTextNodes && childNode.nodeType == 3) {
|
var text = childNode.nodeValue || childNode.text || "";
|
if (svg.trim(svg.compressSpaces(text)) != "") {
|
this.addChild(new svg.Element.tspan(childNode), false);
|
}
|
}
|
}
|
// add attributes
|
for (var i = 0; i < node.attributes.length; i++) {
|
var attribute = node.attributes[i];
|
this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue);
|
}
|
// add tag styles
|
var styles = svg.Styles[node.nodeName];
|
if (styles != null) {
|
for (var name in styles) {
|
this.styles[name] = styles[name];
|
}
|
}
|
// add class styles
|
if (this.attribute("class").hasValue()) {
|
var classes = svg.compressSpaces(this.attribute("class").value).split(" ");
|
for (var j = 0; j < classes.length; j++) {
|
styles = svg.Styles["." + classes[j]];
|
if (styles != null) {
|
for (var name in styles) {
|
this.styles[name] = styles[name];
|
}
|
}
|
styles = svg.Styles[node.nodeName + "." + classes[j]];
|
if (styles != null) {
|
for (var name in styles) {
|
this.styles[name] = styles[name];
|
}
|
}
|
}
|
}
|
// add id styles
|
if (this.attribute("id").hasValue()) {
|
var styles = svg.Styles["#" + this.attribute("id").value];
|
if (styles != null) {
|
for (var name in styles) {
|
this.styles[name] = styles[name];
|
}
|
}
|
}
|
// add inline styles
|
if (this.attribute("style").hasValue()) {
|
var styles = this.attribute("style").value.split(";");
|
for (var i = 0; i < styles.length; i++) {
|
if (svg.trim(styles[i]) != "") {
|
var style = styles[i].split(":");
|
var name = svg.trim(style[0]);
|
var value = svg.trim(style[1]);
|
this.styles[name] = new svg.Property(name, value);
|
}
|
}
|
}
|
// add id
|
if (this.attribute("id").hasValue()) {
|
if (svg.Definitions[this.attribute("id").value] == null) {
|
svg.Definitions[this.attribute("id").value] = this;
|
}
|
}
|
}
|
};
|
svg.Element.RenderedElementBase = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.setContext = function(ctx) {
|
// fill
|
if (this.style("fill").isUrlDefinition()) {
|
var fs = this.style("fill").getFillStyleDefinition(this, this.style("fill-opacity"));
|
if (fs != null) ctx.fillStyle = fs;
|
} else if (this.style("fill").hasValue()) {
|
var fillStyle = this.style("fill");
|
if (fillStyle.value == "currentColor") fillStyle.value = this.style("color").value;
|
ctx.fillStyle = fillStyle.value == "none" ? "rgba(0,0,0,0)" : fillStyle.value;
|
}
|
if (this.style("fill-opacity").hasValue()) {
|
var fillStyle = new svg.Property("fill", ctx.fillStyle);
|
fillStyle = fillStyle.addOpacity(this.style("fill-opacity").value);
|
ctx.fillStyle = fillStyle.value;
|
}
|
// stroke
|
if (this.style("stroke").isUrlDefinition()) {
|
var fs = this.style("stroke").getFillStyleDefinition(this, this.style("stroke-opacity"));
|
if (fs != null) ctx.strokeStyle = fs;
|
} else if (this.style("stroke").hasValue()) {
|
var strokeStyle = this.style("stroke");
|
if (strokeStyle.value == "currentColor") strokeStyle.value = this.style("color").value;
|
ctx.strokeStyle = strokeStyle.value == "none" ? "rgba(0,0,0,0)" : strokeStyle.value;
|
}
|
if (this.style("stroke-opacity").hasValue()) {
|
var strokeStyle = new svg.Property("stroke", ctx.strokeStyle);
|
strokeStyle = strokeStyle.addOpacity(this.style("stroke-opacity").value);
|
ctx.strokeStyle = strokeStyle.value;
|
}
|
if (this.style("stroke-width").hasValue()) {
|
var newLineWidth = this.style("stroke-width").toPixels();
|
ctx.lineWidth = newLineWidth == 0 ? .001 : newLineWidth;
|
}
|
if (this.style("stroke-linecap").hasValue()) ctx.lineCap = this.style("stroke-linecap").value;
|
if (this.style("stroke-linejoin").hasValue()) ctx.lineJoin = this.style("stroke-linejoin").value;
|
if (this.style("stroke-miterlimit").hasValue()) ctx.miterLimit = this.style("stroke-miterlimit").value;
|
if (this.style("stroke-dasharray").hasValue()) {
|
var gaps = svg.ToNumberArray(this.style("stroke-dasharray").value);
|
if (typeof ctx.setLineDash != "undefined") {
|
ctx.setLineDash(gaps);
|
} else if (typeof ctx.webkitLineDash != "undefined") {
|
ctx.webkitLineDash = gaps;
|
} else if (typeof ctx.mozDash != "undefined") {
|
ctx.mozDash = gaps;
|
}
|
var offset = this.style("stroke-dashoffset").numValueOrDefault(1);
|
if (typeof ctx.lineDashOffset != "undefined") {
|
ctx.lineDashOffset = offset;
|
} else if (typeof ctx.webkitLineDashOffset != "undefined") {
|
ctx.webkitLineDashOffset = offset;
|
} else if (typeof ctx.mozDashOffset != "undefined") {
|
ctx.mozDashOffset = offset;
|
}
|
}
|
// font
|
if (typeof ctx.font != "undefined") {
|
ctx.font = svg.Font.CreateFont(this.style("font-style").value, this.style("font-variant").value, this.style("font-weight").value, this.style("font-size").hasValue() ? this.style("font-size").toPixels() + "px" : "", this.style("font-family").value).toString();
|
}
|
// transform
|
if (this.attribute("transform").hasValue()) {
|
var transform = new svg.Transform(this.attribute("transform").value);
|
transform.apply(ctx);
|
}
|
// clip
|
if (this.style("clip-path").hasValue()) {
|
var clip = this.style("clip-path").getDefinition();
|
if (clip != null) clip.apply(ctx);
|
}
|
// opacity
|
if (this.style("opacity").hasValue()) {
|
ctx.globalAlpha = this.style("opacity").numValue();
|
}
|
};
|
};
|
svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase();
|
svg.Element.PathElementBase = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.path = function(ctx) {
|
if (ctx != null) ctx.beginPath();
|
return new svg.BoundingBox();
|
};
|
this.renderChildren = function(ctx) {
|
this.path(ctx);
|
svg.Mouse.checkPath(this, ctx);
|
if (ctx.fillStyle != "") {
|
if (this.attribute("fill-rule").hasValue()) {
|
ctx.fill(this.attribute("fill-rule").value);
|
} else {
|
ctx.fill();
|
}
|
}
|
if (ctx.strokeStyle != "") ctx.stroke();
|
var markers = this.getMarkers();
|
if (markers != null) {
|
if (this.style("marker-start").isUrlDefinition()) {
|
var marker = this.style("marker-start").getDefinition();
|
marker.render(ctx, markers[0][0], markers[0][1]);
|
}
|
if (this.style("marker-mid").isUrlDefinition()) {
|
var marker = this.style("marker-mid").getDefinition();
|
for (var i = 1; i < markers.length - 1; i++) {
|
marker.render(ctx, markers[i][0], markers[i][1]);
|
}
|
}
|
if (this.style("marker-end").isUrlDefinition()) {
|
var marker = this.style("marker-end").getDefinition();
|
marker.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]);
|
}
|
}
|
};
|
this.getBoundingBox = function() {
|
return this.path();
|
};
|
this.getMarkers = function() {
|
return null;
|
};
|
};
|
svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase();
|
// svg element
|
svg.Element.svg = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.baseClearContext = this.clearContext;
|
this.clearContext = function(ctx) {
|
this.baseClearContext(ctx);
|
svg.ViewPort.RemoveCurrent();
|
};
|
this.baseSetContext = this.setContext;
|
this.setContext = function(ctx) {
|
// initial values
|
ctx.strokeStyle = "rgba(0,0,0,0)";
|
ctx.lineCap = "butt";
|
ctx.lineJoin = "miter";
|
ctx.miterLimit = 4;
|
this.baseSetContext(ctx);
|
// create new view port
|
if (!this.attribute("x").hasValue()) this.attribute("x", true).value = 0;
|
if (!this.attribute("y").hasValue()) this.attribute("y", true).value = 0;
|
ctx.translate(this.attribute("x").toPixels("x"), this.attribute("y").toPixels("y"));
|
var width = svg.ViewPort.width();
|
var height = svg.ViewPort.height();
|
if (!this.attribute("width").hasValue()) this.attribute("width", true).value = "100%";
|
if (!this.attribute("height").hasValue()) this.attribute("height", true).value = "100%";
|
if (typeof this.root == "undefined") {
|
width = this.attribute("width").toPixels("x");
|
height = this.attribute("height").toPixels("y");
|
var x = 0;
|
var y = 0;
|
if (this.attribute("refX").hasValue() && this.attribute("refY").hasValue()) {
|
x = -this.attribute("refX").toPixels("x");
|
y = -this.attribute("refY").toPixels("y");
|
}
|
ctx.beginPath();
|
ctx.moveTo(x, y);
|
ctx.lineTo(width, y);
|
ctx.lineTo(width, height);
|
ctx.lineTo(x, height);
|
ctx.closePath();
|
ctx.clip();
|
}
|
svg.ViewPort.SetCurrent(width, height);
|
// viewbox
|
if (this.attribute("viewBox").hasValue()) {
|
var viewBox = svg.ToNumberArray(this.attribute("viewBox").value);
|
var minX = viewBox[0];
|
var minY = viewBox[1];
|
width = viewBox[2];
|
height = viewBox[3];
|
svg.AspectRatio(ctx, this.attribute("preserveAspectRatio").value, svg.ViewPort.width(), width, svg.ViewPort.height(), height, minX, minY, this.attribute("refX").value, this.attribute("refY").value);
|
svg.ViewPort.RemoveCurrent();
|
svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
}
|
};
|
};
|
svg.Element.svg.prototype = new svg.Element.RenderedElementBase();
|
// rect element
|
svg.Element.rect = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
this.path = function(ctx) {
|
var x = this.attribute("x").toPixels("x");
|
var y = this.attribute("y").toPixels("y");
|
var width = this.attribute("width").toPixels("x");
|
var height = this.attribute("height").toPixels("y");
|
var rx = this.attribute("rx").toPixels("x");
|
var ry = this.attribute("ry").toPixels("y");
|
if (this.attribute("rx").hasValue() && !this.attribute("ry").hasValue()) ry = rx;
|
if (this.attribute("ry").hasValue() && !this.attribute("rx").hasValue()) rx = ry;
|
rx = Math.min(rx, width / 2);
|
ry = Math.min(ry, height / 2);
|
if (ctx != null) {
|
ctx.beginPath();
|
ctx.moveTo(x + rx, y);
|
ctx.lineTo(x + width - rx, y);
|
ctx.quadraticCurveTo(x + width, y, x + width, y + ry);
|
ctx.lineTo(x + width, y + height - ry);
|
ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);
|
ctx.lineTo(x + rx, y + height);
|
ctx.quadraticCurveTo(x, y + height, x, y + height - ry);
|
ctx.lineTo(x, y + ry);
|
ctx.quadraticCurveTo(x, y, x + rx, y);
|
ctx.closePath();
|
}
|
return new svg.BoundingBox(x, y, x + width, y + height);
|
};
|
};
|
svg.Element.rect.prototype = new svg.Element.PathElementBase();
|
// circle element
|
svg.Element.circle = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
this.path = function(ctx) {
|
var cx = this.attribute("cx").toPixels("x");
|
var cy = this.attribute("cy").toPixels("y");
|
var r = this.attribute("r").toPixels();
|
if (ctx != null) {
|
ctx.beginPath();
|
ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
|
ctx.closePath();
|
}
|
return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
|
};
|
};
|
svg.Element.circle.prototype = new svg.Element.PathElementBase();
|
// ellipse element
|
svg.Element.ellipse = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
this.path = function(ctx) {
|
var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
|
var rx = this.attribute("rx").toPixels("x");
|
var ry = this.attribute("ry").toPixels("y");
|
var cx = this.attribute("cx").toPixels("x");
|
var cy = this.attribute("cy").toPixels("y");
|
if (ctx != null) {
|
ctx.beginPath();
|
ctx.moveTo(cx, cy - ry);
|
ctx.bezierCurveTo(cx + KAPPA * rx, cy - ry, cx + rx, cy - KAPPA * ry, cx + rx, cy);
|
ctx.bezierCurveTo(cx + rx, cy + KAPPA * ry, cx + KAPPA * rx, cy + ry, cx, cy + ry);
|
ctx.bezierCurveTo(cx - KAPPA * rx, cy + ry, cx - rx, cy + KAPPA * ry, cx - rx, cy);
|
ctx.bezierCurveTo(cx - rx, cy - KAPPA * ry, cx - KAPPA * rx, cy - ry, cx, cy - ry);
|
ctx.closePath();
|
}
|
return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
|
};
|
};
|
svg.Element.ellipse.prototype = new svg.Element.PathElementBase();
|
// line element
|
svg.Element.line = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
this.getPoints = function() {
|
return [ new svg.Point(this.attribute("x1").toPixels("x"), this.attribute("y1").toPixels("y")), new svg.Point(this.attribute("x2").toPixels("x"), this.attribute("y2").toPixels("y")) ];
|
};
|
this.path = function(ctx) {
|
var points = this.getPoints();
|
if (ctx != null) {
|
ctx.beginPath();
|
ctx.moveTo(points[0].x, points[0].y);
|
ctx.lineTo(points[1].x, points[1].y);
|
}
|
return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
|
};
|
this.getMarkers = function() {
|
var points = this.getPoints();
|
var a = points[0].angleTo(points[1]);
|
return [ [ points[0], a ], [ points[1], a ] ];
|
};
|
};
|
svg.Element.line.prototype = new svg.Element.PathElementBase();
|
// polyline element
|
svg.Element.polyline = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
this.points = svg.CreatePath(this.attribute("points").value);
|
this.path = function(ctx) {
|
var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
|
if (ctx != null) {
|
ctx.beginPath();
|
ctx.moveTo(this.points[0].x, this.points[0].y);
|
}
|
for (var i = 1; i < this.points.length; i++) {
|
bb.addPoint(this.points[i].x, this.points[i].y);
|
if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
|
}
|
return bb;
|
};
|
this.getMarkers = function() {
|
var markers = [];
|
for (var i = 0; i < this.points.length - 1; i++) {
|
markers.push([ this.points[i], this.points[i].angleTo(this.points[i + 1]) ]);
|
}
|
markers.push([ this.points[this.points.length - 1], markers[markers.length - 1][1] ]);
|
return markers;
|
};
|
};
|
svg.Element.polyline.prototype = new svg.Element.PathElementBase();
|
// polygon element
|
svg.Element.polygon = function(node) {
|
this.base = svg.Element.polyline;
|
this.base(node);
|
this.basePath = this.path;
|
this.path = function(ctx) {
|
var bb = this.basePath(ctx);
|
if (ctx != null) {
|
ctx.lineTo(this.points[0].x, this.points[0].y);
|
ctx.closePath();
|
}
|
return bb;
|
};
|
};
|
svg.Element.polygon.prototype = new svg.Element.polyline();
|
// path element
|
svg.Element.path = function(node) {
|
this.base = svg.Element.PathElementBase;
|
this.base(node);
|
var d = this.attribute("d").value;
|
// TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF
|
d = d.replace(/,/gm, " ");
|
// get rid of all commas
|
d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, "$1 $2");
|
// separate commands from commands
|
d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, "$1 $2");
|
// separate commands from commands
|
d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm, "$1 $2");
|
// separate commands from points
|
d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm, "$1 $2");
|
// separate commands from points
|
d = d.replace(/([0-9])([+\-])/gm, "$1 $2");
|
// separate digits when no comma
|
d = d.replace(/(\.[0-9]*)(\.)/gm, "$1 $2");
|
// separate digits when no comma
|
d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm, "$1 $3 $4 ");
|
// shorthand elliptical arc path syntax
|
d = svg.compressSpaces(d);
|
// compress multiple spaces
|
d = svg.trim(d);
|
this.PathParser = new function(d) {
|
this.tokens = d.split(" ");
|
this.reset = function() {
|
this.i = -1;
|
this.command = "";
|
this.previousCommand = "";
|
this.start = new svg.Point(0, 0);
|
this.control = new svg.Point(0, 0);
|
this.current = new svg.Point(0, 0);
|
this.points = [];
|
this.angles = [];
|
};
|
this.isEnd = function() {
|
return this.i >= this.tokens.length - 1;
|
};
|
this.isCommandOrEnd = function() {
|
if (this.isEnd()) return true;
|
return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
|
};
|
this.isRelativeCommand = function() {
|
switch (this.command) {
|
case "m":
|
case "l":
|
case "h":
|
case "v":
|
case "c":
|
case "s":
|
case "q":
|
case "t":
|
case "a":
|
case "z":
|
return true;
|
break;
|
}
|
return false;
|
};
|
this.getToken = function() {
|
this.i++;
|
return this.tokens[this.i];
|
};
|
this.getScalar = function() {
|
return parseFloat(this.getToken());
|
};
|
this.nextCommand = function() {
|
this.previousCommand = this.command;
|
this.command = this.getToken();
|
};
|
this.getPoint = function() {
|
var p = new svg.Point(this.getScalar(), this.getScalar());
|
return this.makeAbsolute(p);
|
};
|
this.getAsControlPoint = function() {
|
var p = this.getPoint();
|
this.control = p;
|
return p;
|
};
|
this.getAsCurrentPoint = function() {
|
var p = this.getPoint();
|
this.current = p;
|
return p;
|
};
|
this.getReflectedControlPoint = function() {
|
if (this.previousCommand.toLowerCase() != "c" && this.previousCommand.toLowerCase() != "s" && this.previousCommand.toLowerCase() != "q" && this.previousCommand.toLowerCase() != "t") {
|
return this.current;
|
}
|
// reflect point
|
var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
|
return p;
|
};
|
this.makeAbsolute = function(p) {
|
if (this.isRelativeCommand()) {
|
p.x += this.current.x;
|
p.y += this.current.y;
|
}
|
return p;
|
};
|
this.addMarker = function(p, from, priorTo) {
|
// if the last angle isn't filled in because we didn't have this point yet ...
|
if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length - 1] == null) {
|
this.angles[this.angles.length - 1] = this.points[this.points.length - 1].angleTo(priorTo);
|
}
|
this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
|
};
|
this.addMarkerAngle = function(p, a) {
|
this.points.push(p);
|
this.angles.push(a);
|
};
|
this.getMarkerPoints = function() {
|
return this.points;
|
};
|
this.getMarkerAngles = function() {
|
for (var i = 0; i < this.angles.length; i++) {
|
if (this.angles[i] == null) {
|
for (var j = i + 1; j < this.angles.length; j++) {
|
if (this.angles[j] != null) {
|
this.angles[i] = this.angles[j];
|
break;
|
}
|
}
|
}
|
}
|
return this.angles;
|
};
|
}(d);
|
this.path = function(ctx) {
|
var pp = this.PathParser;
|
pp.reset();
|
var bb = new svg.BoundingBox();
|
if (ctx != null) ctx.beginPath();
|
while (!pp.isEnd()) {
|
pp.nextCommand();
|
switch (pp.command) {
|
case "M":
|
case "m":
|
var p = pp.getAsCurrentPoint();
|
pp.addMarker(p);
|
bb.addPoint(p.x, p.y);
|
if (ctx != null) ctx.moveTo(p.x, p.y);
|
pp.start = pp.current;
|
while (!pp.isCommandOrEnd()) {
|
var p = pp.getAsCurrentPoint();
|
pp.addMarker(p, pp.start);
|
bb.addPoint(p.x, p.y);
|
if (ctx != null) ctx.lineTo(p.x, p.y);
|
}
|
break;
|
|
case "L":
|
case "l":
|
while (!pp.isCommandOrEnd()) {
|
var c = pp.current;
|
var p = pp.getAsCurrentPoint();
|
pp.addMarker(p, c);
|
bb.addPoint(p.x, p.y);
|
if (ctx != null) ctx.lineTo(p.x, p.y);
|
}
|
break;
|
|
case "H":
|
case "h":
|
while (!pp.isCommandOrEnd()) {
|
var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
|
pp.addMarker(newP, pp.current);
|
pp.current = newP;
|
bb.addPoint(pp.current.x, pp.current.y);
|
if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
}
|
break;
|
|
case "V":
|
case "v":
|
while (!pp.isCommandOrEnd()) {
|
var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
|
pp.addMarker(newP, pp.current);
|
pp.current = newP;
|
bb.addPoint(pp.current.x, pp.current.y);
|
if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
|
}
|
break;
|
|
case "C":
|
case "c":
|
while (!pp.isCommandOrEnd()) {
|
var curr = pp.current;
|
var p1 = pp.getPoint();
|
var cntrl = pp.getAsControlPoint();
|
var cp = pp.getAsCurrentPoint();
|
pp.addMarker(cp, cntrl, p1);
|
bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
}
|
break;
|
|
case "S":
|
case "s":
|
while (!pp.isCommandOrEnd()) {
|
var curr = pp.current;
|
var p1 = pp.getReflectedControlPoint();
|
var cntrl = pp.getAsControlPoint();
|
var cp = pp.getAsCurrentPoint();
|
pp.addMarker(cp, cntrl, p1);
|
bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
}
|
break;
|
|
case "Q":
|
case "q":
|
while (!pp.isCommandOrEnd()) {
|
var curr = pp.current;
|
var cntrl = pp.getAsControlPoint();
|
var cp = pp.getAsCurrentPoint();
|
pp.addMarker(cp, cntrl, cntrl);
|
bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
}
|
break;
|
|
case "T":
|
case "t":
|
while (!pp.isCommandOrEnd()) {
|
var curr = pp.current;
|
var cntrl = pp.getReflectedControlPoint();
|
pp.control = cntrl;
|
var cp = pp.getAsCurrentPoint();
|
pp.addMarker(cp, cntrl, cntrl);
|
bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
|
if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
|
}
|
break;
|
|
case "A":
|
case "a":
|
while (!pp.isCommandOrEnd()) {
|
var curr = pp.current;
|
var rx = pp.getScalar();
|
var ry = pp.getScalar();
|
var xAxisRotation = pp.getScalar() * (Math.PI / 180);
|
var largeArcFlag = pp.getScalar();
|
var sweepFlag = pp.getScalar();
|
var cp = pp.getAsCurrentPoint();
|
// Conversion from endpoint to center parameterization
|
// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
|
// x1', y1'
|
var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2);
|
// adjust radii
|
var l = Math.pow(currp.x, 2) / Math.pow(rx, 2) + Math.pow(currp.y, 2) / Math.pow(ry, 2);
|
if (l > 1) {
|
rx *= Math.sqrt(l);
|
ry *= Math.sqrt(l);
|
}
|
// cx', cy'
|
var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt((Math.pow(rx, 2) * Math.pow(ry, 2) - Math.pow(rx, 2) * Math.pow(currp.y, 2) - Math.pow(ry, 2) * Math.pow(currp.x, 2)) / (Math.pow(rx, 2) * Math.pow(currp.y, 2) + Math.pow(ry, 2) * Math.pow(currp.x, 2)));
|
if (isNaN(s)) s = 0;
|
var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
|
// cx, cy
|
var centp = new svg.Point((curr.x + cp.x) / 2 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y);
|
// vector magnitude
|
var m = function(v) {
|
return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
|
};
|
// ratio between two vectors
|
var r = function(u, v) {
|
return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v));
|
};
|
// angle between two vectors
|
var a = function(u, v) {
|
return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(r(u, v));
|
};
|
// initial angle
|
var a1 = a([ 1, 0 ], [ (currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry ]);
|
// angle delta
|
var u = [ (currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry ];
|
var v = [ (-currp.x - cpp.x) / rx, (-currp.y - cpp.y) / ry ];
|
var ad = a(u, v);
|
if (r(u, v) <= -1) ad = Math.PI;
|
if (r(u, v) >= 1) ad = 0;
|
// for markers
|
var dir = 1 - sweepFlag ? 1 : -1;
|
var ah = a1 + dir * (ad / 2);
|
var halfWay = new svg.Point(centp.x + rx * Math.cos(ah), centp.y + ry * Math.sin(ah));
|
pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
|
pp.addMarkerAngle(cp, ah - dir * Math.PI);
|
bb.addPoint(cp.x, cp.y);
|
// TODO: this is too naive, make it better
|
if (ctx != null) {
|
var r = rx > ry ? rx : ry;
|
var sx = rx > ry ? 1 : rx / ry;
|
var sy = rx > ry ? ry / rx : 1;
|
ctx.translate(centp.x, centp.y);
|
ctx.rotate(xAxisRotation);
|
ctx.scale(sx, sy);
|
ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
|
ctx.scale(1 / sx, 1 / sy);
|
ctx.rotate(-xAxisRotation);
|
ctx.translate(-centp.x, -centp.y);
|
}
|
}
|
break;
|
|
case "Z":
|
case "z":
|
if (ctx != null) ctx.closePath();
|
pp.current = pp.start;
|
}
|
}
|
return bb;
|
};
|
this.getMarkers = function() {
|
var points = this.PathParser.getMarkerPoints();
|
var angles = this.PathParser.getMarkerAngles();
|
var markers = [];
|
for (var i = 0; i < points.length; i++) {
|
markers.push([ points[i], angles[i] ]);
|
}
|
return markers;
|
};
|
};
|
svg.Element.path.prototype = new svg.Element.PathElementBase();
|
// pattern element
|
svg.Element.pattern = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.createPattern = function(ctx, element) {
|
var width = this.attribute("width").toPixels("x", true);
|
var height = this.attribute("height").toPixels("y", true);
|
// render me using a temporary svg element
|
var tempSvg = new svg.Element.svg();
|
tempSvg.attributes["viewBox"] = new svg.Property("viewBox", this.attribute("viewBox").value);
|
tempSvg.attributes["width"] = new svg.Property("width", width + "px");
|
tempSvg.attributes["height"] = new svg.Property("height", height + "px");
|
tempSvg.attributes["transform"] = new svg.Property("transform", this.attribute("patternTransform").value);
|
tempSvg.children = this.children;
|
var c = document.createElement("canvas");
|
c.width = width;
|
c.height = height;
|
var cctx = c.getContext("2d");
|
if (this.attribute("x").hasValue() && this.attribute("y").hasValue()) {
|
cctx.translate(this.attribute("x").toPixels("x", true), this.attribute("y").toPixels("y", true));
|
}
|
// render 3x3 grid so when we transform there's no white space on edges
|
for (var x = -1; x <= 1; x++) {
|
for (var y = -1; y <= 1; y++) {
|
cctx.save();
|
cctx.translate(x * c.width, y * c.height);
|
tempSvg.render(cctx);
|
cctx.restore();
|
}
|
}
|
var pattern = ctx.createPattern(c, "repeat");
|
return pattern;
|
};
|
};
|
svg.Element.pattern.prototype = new svg.Element.ElementBase();
|
// marker element
|
svg.Element.marker = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.baseRender = this.render;
|
this.render = function(ctx, point, angle) {
|
ctx.translate(point.x, point.y);
|
if (this.attribute("orient").valueOrDefault("auto") == "auto") ctx.rotate(angle);
|
if (this.attribute("markerUnits").valueOrDefault("strokeWidth") == "strokeWidth") ctx.scale(ctx.lineWidth, ctx.lineWidth);
|
ctx.save();
|
// render me using a temporary svg element
|
var tempSvg = new svg.Element.svg();
|
tempSvg.attributes["viewBox"] = new svg.Property("viewBox", this.attribute("viewBox").value);
|
tempSvg.attributes["refX"] = new svg.Property("refX", this.attribute("refX").value);
|
tempSvg.attributes["refY"] = new svg.Property("refY", this.attribute("refY").value);
|
tempSvg.attributes["width"] = new svg.Property("width", this.attribute("markerWidth").value);
|
tempSvg.attributes["height"] = new svg.Property("height", this.attribute("markerHeight").value);
|
tempSvg.attributes["fill"] = new svg.Property("fill", this.attribute("fill").valueOrDefault("black"));
|
tempSvg.attributes["stroke"] = new svg.Property("stroke", this.attribute("stroke").valueOrDefault("none"));
|
tempSvg.children = this.children;
|
tempSvg.render(ctx);
|
ctx.restore();
|
if (this.attribute("markerUnits").valueOrDefault("strokeWidth") == "strokeWidth") ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth);
|
if (this.attribute("orient").valueOrDefault("auto") == "auto") ctx.rotate(-angle);
|
ctx.translate(-point.x, -point.y);
|
};
|
};
|
svg.Element.marker.prototype = new svg.Element.ElementBase();
|
// definitions element
|
svg.Element.defs = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.render = function(ctx) {};
|
};
|
svg.Element.defs.prototype = new svg.Element.ElementBase();
|
// base for gradients
|
svg.Element.GradientBase = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.gradientUnits = this.attribute("gradientUnits").valueOrDefault("objectBoundingBox");
|
this.stops = [];
|
for (var i = 0; i < this.children.length; i++) {
|
var child = this.children[i];
|
if (child.type == "stop") this.stops.push(child);
|
}
|
this.getGradient = function() {};
|
this.createGradient = function(ctx, element, parentOpacityProp) {
|
var stopsContainer = this;
|
if (this.getHrefAttribute().hasValue()) {
|
stopsContainer = this.getHrefAttribute().getDefinition();
|
}
|
var addParentOpacity = function(color) {
|
if (parentOpacityProp.hasValue()) {
|
var p = new svg.Property("color", color);
|
return p.addOpacity(parentOpacityProp.value).value;
|
}
|
return color;
|
};
|
var g = this.getGradient(ctx, element);
|
if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color);
|
for (var i = 0; i < stopsContainer.stops.length; i++) {
|
g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color));
|
}
|
if (this.attribute("gradientTransform").hasValue()) {
|
// render as transformed pattern on temporary canvas
|
var rootView = svg.ViewPort.viewPorts[0];
|
var rect = new svg.Element.rect();
|
rect.attributes["x"] = new svg.Property("x", -svg.MAX_VIRTUAL_PIXELS / 3);
|
rect.attributes["y"] = new svg.Property("y", -svg.MAX_VIRTUAL_PIXELS / 3);
|
rect.attributes["width"] = new svg.Property("width", svg.MAX_VIRTUAL_PIXELS);
|
rect.attributes["height"] = new svg.Property("height", svg.MAX_VIRTUAL_PIXELS);
|
var group = new svg.Element.g();
|
group.attributes["transform"] = new svg.Property("transform", this.attribute("gradientTransform").value);
|
group.children = [ rect ];
|
var tempSvg = new svg.Element.svg();
|
tempSvg.attributes["x"] = new svg.Property("x", 0);
|
tempSvg.attributes["y"] = new svg.Property("y", 0);
|
tempSvg.attributes["width"] = new svg.Property("width", rootView.width);
|
tempSvg.attributes["height"] = new svg.Property("height", rootView.height);
|
tempSvg.children = [ group ];
|
var c = document.createElement("canvas");
|
c.width = rootView.width;
|
c.height = rootView.height;
|
var tempCtx = c.getContext("2d");
|
tempCtx.fillStyle = g;
|
tempSvg.render(tempCtx);
|
return tempCtx.createPattern(c, "no-repeat");
|
}
|
return g;
|
};
|
};
|
svg.Element.GradientBase.prototype = new svg.Element.ElementBase();
|
// linear gradient element
|
svg.Element.linearGradient = function(node) {
|
this.base = svg.Element.GradientBase;
|
this.base(node);
|
this.getGradient = function(ctx, element) {
|
var bb = element.getBoundingBox();
|
if (!this.attribute("x1").hasValue() && !this.attribute("y1").hasValue() && !this.attribute("x2").hasValue() && !this.attribute("y2").hasValue()) {
|
this.attribute("x1", true).value = 0;
|
this.attribute("y1", true).value = 0;
|
this.attribute("x2", true).value = 1;
|
this.attribute("y2", true).value = 0;
|
}
|
var x1 = this.gradientUnits == "objectBoundingBox" ? bb.x() + bb.width() * this.attribute("x1").numValue() : this.attribute("x1").toPixels("x");
|
var y1 = this.gradientUnits == "objectBoundingBox" ? bb.y() + bb.height() * this.attribute("y1").numValue() : this.attribute("y1").toPixels("y");
|
var x2 = this.gradientUnits == "objectBoundingBox" ? bb.x() + bb.width() * this.attribute("x2").numValue() : this.attribute("x2").toPixels("x");
|
var y2 = this.gradientUnits == "objectBoundingBox" ? bb.y() + bb.height() * this.attribute("y2").numValue() : this.attribute("y2").toPixels("y");
|
if (x1 == x2 && y1 == y2) return null;
|
return ctx.createLinearGradient(x1, y1, x2, y2);
|
};
|
};
|
svg.Element.linearGradient.prototype = new svg.Element.GradientBase();
|
// radial gradient element
|
svg.Element.radialGradient = function(node) {
|
this.base = svg.Element.GradientBase;
|
this.base(node);
|
this.getGradient = function(ctx, element) {
|
var bb = element.getBoundingBox();
|
if (!this.attribute("cx").hasValue()) this.attribute("cx", true).value = "50%";
|
if (!this.attribute("cy").hasValue()) this.attribute("cy", true).value = "50%";
|
if (!this.attribute("r").hasValue()) this.attribute("r", true).value = "50%";
|
var cx = this.gradientUnits == "objectBoundingBox" ? bb.x() + bb.width() * this.attribute("cx").numValue() : this.attribute("cx").toPixels("x");
|
var cy = this.gradientUnits == "objectBoundingBox" ? bb.y() + bb.height() * this.attribute("cy").numValue() : this.attribute("cy").toPixels("y");
|
var fx = cx;
|
var fy = cy;
|
if (this.attribute("fx").hasValue()) {
|
fx = this.gradientUnits == "objectBoundingBox" ? bb.x() + bb.width() * this.attribute("fx").numValue() : this.attribute("fx").toPixels("x");
|
}
|
if (this.attribute("fy").hasValue()) {
|
fy = this.gradientUnits == "objectBoundingBox" ? bb.y() + bb.height() * this.attribute("fy").numValue() : this.attribute("fy").toPixels("y");
|
}
|
var r = this.gradientUnits == "objectBoundingBox" ? (bb.width() + bb.height()) / 2 * this.attribute("r").numValue() : this.attribute("r").toPixels();
|
return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
|
};
|
};
|
svg.Element.radialGradient.prototype = new svg.Element.GradientBase();
|
// gradient stop element
|
svg.Element.stop = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.offset = this.attribute("offset").numValue();
|
if (this.offset < 0) this.offset = 0;
|
if (this.offset > 1) this.offset = 1;
|
var stopColor = this.style("stop-color");
|
if (this.style("stop-opacity").hasValue()) stopColor = stopColor.addOpacity(this.style("stop-opacity").value);
|
this.color = stopColor.value;
|
};
|
svg.Element.stop.prototype = new svg.Element.ElementBase();
|
// animation base element
|
svg.Element.AnimateBase = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
svg.Animations.push(this);
|
this.duration = 0;
|
this.begin = this.attribute("begin").toMilliseconds();
|
this.maxDuration = this.begin + this.attribute("dur").toMilliseconds();
|
this.getProperty = function() {
|
var attributeType = this.attribute("attributeType").value;
|
var attributeName = this.attribute("attributeName").value;
|
if (attributeType == "CSS") {
|
return this.parent.style(attributeName, true);
|
}
|
return this.parent.attribute(attributeName, true);
|
};
|
this.initialValue = null;
|
this.initialUnits = "";
|
this.removed = false;
|
this.calcValue = function() {
|
// OVERRIDE ME!
|
return "";
|
};
|
this.update = function(delta) {
|
// set initial value
|
if (this.initialValue == null) {
|
this.initialValue = this.getProperty().value;
|
this.initialUnits = this.getProperty().getUnits();
|
}
|
// if we're past the end time
|
if (this.duration > this.maxDuration) {
|
// loop for indefinitely repeating animations
|
if (this.attribute("repeatCount").value == "indefinite" || this.attribute("repeatDur").value == "indefinite") {
|
this.duration = 0;
|
} else if (this.attribute("fill").valueOrDefault("remove") == "remove" && !this.removed) {
|
this.removed = true;
|
this.getProperty().value = this.initialValue;
|
return true;
|
} else {
|
return false;
|
}
|
}
|
this.duration = this.duration + delta;
|
// if we're past the begin time
|
var updated = false;
|
if (this.begin < this.duration) {
|
var newValue = this.calcValue();
|
// tween
|
if (this.attribute("type").hasValue()) {
|
// for transform, etc.
|
var type = this.attribute("type").value;
|
newValue = type + "(" + newValue + ")";
|
}
|
this.getProperty().value = newValue;
|
updated = true;
|
}
|
return updated;
|
};
|
this.from = this.attribute("from");
|
this.to = this.attribute("to");
|
this.values = this.attribute("values");
|
if (this.values.hasValue()) this.values.value = this.values.value.split(";");
|
// fraction of duration we've covered
|
this.progress = function() {
|
var ret = {
|
progress: (this.duration - this.begin) / (this.maxDuration - this.begin)
|
};
|
if (this.values.hasValue()) {
|
var p = ret.progress * (this.values.value.length - 1);
|
var lb = Math.floor(p), ub = Math.ceil(p);
|
ret.from = new svg.Property("from", parseFloat(this.values.value[lb]));
|
ret.to = new svg.Property("to", parseFloat(this.values.value[ub]));
|
ret.progress = (p - lb) / (ub - lb);
|
} else {
|
ret.from = this.from;
|
ret.to = this.to;
|
}
|
return ret;
|
};
|
};
|
svg.Element.AnimateBase.prototype = new svg.Element.ElementBase();
|
// animate element
|
svg.Element.animate = function(node) {
|
this.base = svg.Element.AnimateBase;
|
this.base(node);
|
this.calcValue = function() {
|
var p = this.progress();
|
// tween value linearly
|
var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
|
return newValue + this.initialUnits;
|
};
|
};
|
svg.Element.animate.prototype = new svg.Element.AnimateBase();
|
// animate color element
|
svg.Element.animateColor = function(node) {
|
this.base = svg.Element.AnimateBase;
|
this.base(node);
|
this.calcValue = function() {
|
var p = this.progress();
|
var from = new RGBColor(p.from.value);
|
var to = new RGBColor(p.to.value);
|
if (from.ok && to.ok) {
|
// tween color linearly
|
var r = from.r + (to.r - from.r) * p.progress;
|
var g = from.g + (to.g - from.g) * p.progress;
|
var b = from.b + (to.b - from.b) * p.progress;
|
return "rgb(" + parseInt(r, 10) + "," + parseInt(g, 10) + "," + parseInt(b, 10) + ")";
|
}
|
return this.attribute("from").value;
|
};
|
};
|
svg.Element.animateColor.prototype = new svg.Element.AnimateBase();
|
// animate transform element
|
svg.Element.animateTransform = function(node) {
|
this.base = svg.Element.AnimateBase;
|
this.base(node);
|
this.calcValue = function() {
|
var p = this.progress();
|
// tween value linearly
|
var from = svg.ToNumberArray(p.from.value);
|
var to = svg.ToNumberArray(p.to.value);
|
var newValue = "";
|
for (var i = 0; i < from.length; i++) {
|
newValue += from[i] + (to[i] - from[i]) * p.progress + " ";
|
}
|
return newValue;
|
};
|
};
|
svg.Element.animateTransform.prototype = new svg.Element.animate();
|
// font element
|
svg.Element.font = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.horizAdvX = this.attribute("horiz-adv-x").numValue();
|
this.isRTL = false;
|
this.isArabic = false;
|
this.fontFace = null;
|
this.missingGlyph = null;
|
this.glyphs = [];
|
for (var i = 0; i < this.children.length; i++) {
|
var child = this.children[i];
|
if (child.type == "font-face") {
|
this.fontFace = child;
|
if (child.style("font-family").hasValue()) {
|
svg.Definitions[child.style("font-family").value] = this;
|
}
|
} else if (child.type == "missing-glyph") this.missingGlyph = child; else if (child.type == "glyph") {
|
if (child.arabicForm != "") {
|
this.isRTL = true;
|
this.isArabic = true;
|
if (typeof this.glyphs[child.unicode] == "undefined") this.glyphs[child.unicode] = [];
|
this.glyphs[child.unicode][child.arabicForm] = child;
|
} else {
|
this.glyphs[child.unicode] = child;
|
}
|
}
|
}
|
};
|
svg.Element.font.prototype = new svg.Element.ElementBase();
|
// font-face element
|
svg.Element.fontface = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.ascent = this.attribute("ascent").value;
|
this.descent = this.attribute("descent").value;
|
this.unitsPerEm = this.attribute("units-per-em").numValue();
|
};
|
svg.Element.fontface.prototype = new svg.Element.ElementBase();
|
// missing-glyph element
|
svg.Element.missingglyph = function(node) {
|
this.base = svg.Element.path;
|
this.base(node);
|
this.horizAdvX = 0;
|
};
|
svg.Element.missingglyph.prototype = new svg.Element.path();
|
// glyph element
|
svg.Element.glyph = function(node) {
|
this.base = svg.Element.path;
|
this.base(node);
|
this.horizAdvX = this.attribute("horiz-adv-x").numValue();
|
this.unicode = this.attribute("unicode").value;
|
this.arabicForm = this.attribute("arabic-form").value;
|
};
|
svg.Element.glyph.prototype = new svg.Element.path();
|
// text element
|
svg.Element.text = function(node) {
|
this.captureTextNodes = true;
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.baseSetContext = this.setContext;
|
this.setContext = function(ctx) {
|
this.baseSetContext(ctx);
|
if (this.style("dominant-baseline").hasValue()) ctx.textBaseline = this.style("dominant-baseline").value;
|
if (this.style("alignment-baseline").hasValue()) ctx.textBaseline = this.style("alignment-baseline").value;
|
};
|
this.getBoundingBox = function() {
|
// TODO: implement
|
return new svg.BoundingBox(this.attribute("x").toPixels("x"), this.attribute("y").toPixels("y"), 0, 0);
|
};
|
this.renderChildren = function(ctx) {
|
this.x = this.attribute("x").toPixels("x");
|
this.y = this.attribute("y").toPixels("y");
|
this.x += this.getAnchorDelta(ctx, this, 0);
|
for (var i = 0; i < this.children.length; i++) {
|
this.renderChild(ctx, this, i);
|
}
|
};
|
this.getAnchorDelta = function(ctx, parent, startI) {
|
var textAnchor = this.style("text-anchor").valueOrDefault("start");
|
if (textAnchor != "start") {
|
var width = 0;
|
for (var i = startI; i < parent.children.length; i++) {
|
var child = parent.children[i];
|
if (i > startI && child.attribute("x").hasValue()) break;
|
// new group
|
width += child.measureTextRecursive(ctx);
|
}
|
return -1 * (textAnchor == "end" ? width : width / 2);
|
}
|
return 0;
|
};
|
this.renderChild = function(ctx, parent, i) {
|
var child = parent.children[i];
|
if (child.attribute("x").hasValue()) {
|
child.x = child.attribute("x").toPixels("x") + this.getAnchorDelta(ctx, parent, i);
|
} else {
|
if (this.attribute("dx").hasValue()) this.x += this.attribute("dx").toPixels("x");
|
if (child.attribute("dx").hasValue()) this.x += child.attribute("dx").toPixels("x");
|
child.x = this.x;
|
}
|
this.x = child.x + child.measureText(ctx);
|
if (child.attribute("y").hasValue()) {
|
child.y = child.attribute("y").toPixels("y");
|
} else {
|
if (this.attribute("dy").hasValue()) this.y += this.attribute("dy").toPixels("y");
|
if (child.attribute("dy").hasValue()) this.y += child.attribute("dy").toPixels("y");
|
child.y = this.y;
|
}
|
this.y = child.y;
|
child.render(ctx);
|
for (var i = 0; i < child.children.length; i++) {
|
this.renderChild(ctx, child, i);
|
}
|
};
|
};
|
svg.Element.text.prototype = new svg.Element.RenderedElementBase();
|
// text base
|
svg.Element.TextElementBase = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.getGlyph = function(font, text, i) {
|
var c = text[i];
|
var glyph = null;
|
if (font.isArabic) {
|
var arabicForm = "isolated";
|
if ((i == 0 || text[i - 1] == " ") && i < text.length - 2 && text[i + 1] != " ") arabicForm = "terminal";
|
if (i > 0 && text[i - 1] != " " && i < text.length - 2 && text[i + 1] != " ") arabicForm = "medial";
|
if (i > 0 && text[i - 1] != " " && (i == text.length - 1 || text[i + 1] == " ")) arabicForm = "initial";
|
if (typeof font.glyphs[c] != "undefined") {
|
glyph = font.glyphs[c][arabicForm];
|
if (glyph == null && font.glyphs[c].type == "glyph") glyph = font.glyphs[c];
|
}
|
} else {
|
glyph = font.glyphs[c];
|
}
|
if (glyph == null) glyph = font.missingGlyph;
|
return glyph;
|
};
|
this.renderChildren = function(ctx) {
|
var customFont = this.parent.style("font-family").getDefinition();
|
if (customFont != null) {
|
var fontSize = this.parent.style("font-size").numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
var fontStyle = this.parent.style("font-style").valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
|
var text = this.getText();
|
if (customFont.isRTL) text = text.split("").reverse().join("");
|
var dx = svg.ToNumberArray(this.parent.attribute("dx").value);
|
for (var i = 0; i < text.length; i++) {
|
var glyph = this.getGlyph(customFont, text, i);
|
var scale = fontSize / customFont.fontFace.unitsPerEm;
|
ctx.translate(this.x, this.y);
|
ctx.scale(scale, -scale);
|
var lw = ctx.lineWidth;
|
ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
|
if (fontStyle == "italic") ctx.transform(1, 0, .4, 1, 0, 0);
|
glyph.render(ctx);
|
if (fontStyle == "italic") ctx.transform(1, 0, -.4, 1, 0, 0);
|
ctx.lineWidth = lw;
|
ctx.scale(1 / scale, -1 / scale);
|
ctx.translate(-this.x, -this.y);
|
this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
|
if (typeof dx[i] != "undefined" && !isNaN(dx[i])) {
|
this.x += dx[i];
|
}
|
}
|
return;
|
}
|
if (ctx.fillStyle != "") ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
|
if (ctx.strokeStyle != "") ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
|
};
|
this.getText = function() {};
|
this.measureTextRecursive = function(ctx) {
|
var width = this.measureText(ctx);
|
for (var i = 0; i < this.children.length; i++) {
|
width += this.children[i].measureTextRecursive(ctx);
|
}
|
return width;
|
};
|
this.measureText = function(ctx) {
|
var customFont = this.parent.style("font-family").getDefinition();
|
if (customFont != null) {
|
var fontSize = this.parent.style("font-size").numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
|
var measure = 0;
|
var text = this.getText();
|
if (customFont.isRTL) text = text.split("").reverse().join("");
|
var dx = svg.ToNumberArray(this.parent.attribute("dx").value);
|
for (var i = 0; i < text.length; i++) {
|
var glyph = this.getGlyph(customFont, text, i);
|
measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
|
if (typeof dx[i] != "undefined" && !isNaN(dx[i])) {
|
measure += dx[i];
|
}
|
}
|
return measure;
|
}
|
var textToMeasure = svg.compressSpaces(this.getText());
|
if (!ctx.measureText) return textToMeasure.length * 10;
|
ctx.save();
|
this.setContext(ctx);
|
var width = ctx.measureText(textToMeasure).width;
|
ctx.restore();
|
return width;
|
};
|
};
|
svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase();
|
// tspan
|
svg.Element.tspan = function(node) {
|
this.captureTextNodes = true;
|
this.base = svg.Element.TextElementBase;
|
this.base(node);
|
this.text = node.nodeValue || node.text || "";
|
this.getText = function() {
|
return this.text;
|
};
|
};
|
svg.Element.tspan.prototype = new svg.Element.TextElementBase();
|
// tref
|
svg.Element.tref = function(node) {
|
this.base = svg.Element.TextElementBase;
|
this.base(node);
|
this.getText = function() {
|
var element = this.getHrefAttribute().getDefinition();
|
if (element != null) return element.children[0].getText();
|
};
|
};
|
svg.Element.tref.prototype = new svg.Element.TextElementBase();
|
// a element
|
svg.Element.a = function(node) {
|
this.base = svg.Element.TextElementBase;
|
this.base(node);
|
this.hasText = true;
|
for (var i = 0; i < node.childNodes.length; i++) {
|
if (node.childNodes[i].nodeType != 3) this.hasText = false;
|
}
|
// this might contain text
|
this.text = this.hasText ? node.childNodes[0].nodeValue : "";
|
this.getText = function() {
|
return this.text;
|
};
|
this.baseRenderChildren = this.renderChildren;
|
this.renderChildren = function(ctx) {
|
if (this.hasText) {
|
// render as text element
|
this.baseRenderChildren(ctx);
|
var fontSize = new svg.Property("fontSize", svg.Font.Parse(svg.ctx.font).fontSize);
|
svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels("y"), this.x + this.measureText(ctx), this.y));
|
} else {
|
// render as temporary group
|
var g = new svg.Element.g();
|
g.children = this.children;
|
g.parent = this;
|
g.render(ctx);
|
}
|
};
|
this.onclick = function() {
|
window.open(this.getHrefAttribute().value);
|
};
|
this.onmousemove = function() {
|
svg.ctx.canvas.style.cursor = "pointer";
|
};
|
};
|
svg.Element.a.prototype = new svg.Element.TextElementBase();
|
// image element
|
svg.Element.image = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
var href = this.getHrefAttribute().value;
|
var isSvg = href.match(/\.svg$/);
|
svg.Images.push(this);
|
this.loaded = false;
|
if (!isSvg) {
|
this.img = document.createElement("img");
|
var self = this;
|
this.img.onload = function() {
|
self.loaded = true;
|
};
|
this.img.onerror = function() {
|
if (typeof console != "undefined") {
|
console.log('ERROR: image "' + href + '" not found');
|
self.loaded = true;
|
}
|
};
|
this.img.src = href;
|
} else {
|
this.img = svg.ajax(href);
|
this.loaded = true;
|
}
|
this.renderChildren = function(ctx) {
|
var x = this.attribute("x").toPixels("x");
|
var y = this.attribute("y").toPixels("y");
|
var width = this.attribute("width").toPixels("x");
|
var height = this.attribute("height").toPixels("y");
|
if (width == 0 || height == 0) return;
|
ctx.save();
|
if (isSvg) {
|
ctx.drawSvg(this.img, x, y, width, height);
|
} else {
|
ctx.translate(x, y);
|
svg.AspectRatio(ctx, this.attribute("preserveAspectRatio").value, width, this.img.width, height, this.img.height, 0, 0);
|
ctx.drawImage(this.img, 0, 0);
|
}
|
ctx.restore();
|
};
|
this.getBoundingBox = function() {
|
var x = this.attribute("x").toPixels("x");
|
var y = this.attribute("y").toPixels("y");
|
var width = this.attribute("width").toPixels("x");
|
var height = this.attribute("height").toPixels("y");
|
return new svg.BoundingBox(x, y, x + width, y + height);
|
};
|
};
|
svg.Element.image.prototype = new svg.Element.RenderedElementBase();
|
// group element
|
svg.Element.g = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.getBoundingBox = function() {
|
var bb = new svg.BoundingBox();
|
for (var i = 0; i < this.children.length; i++) {
|
bb.addBoundingBox(this.children[i].getBoundingBox());
|
}
|
return bb;
|
};
|
};
|
svg.Element.g.prototype = new svg.Element.RenderedElementBase();
|
// symbol element
|
svg.Element.symbol = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.baseSetContext = this.setContext;
|
this.setContext = function(ctx) {
|
this.baseSetContext(ctx);
|
// viewbox
|
if (this.attribute("viewBox").hasValue()) {
|
var viewBox = svg.ToNumberArray(this.attribute("viewBox").value);
|
var minX = viewBox[0];
|
var minY = viewBox[1];
|
width = viewBox[2];
|
height = viewBox[3];
|
svg.AspectRatio(ctx, this.attribute("preserveAspectRatio").value, this.attribute("width").toPixels("x"), width, this.attribute("height").toPixels("y"), height, minX, minY);
|
svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
|
}
|
};
|
};
|
svg.Element.symbol.prototype = new svg.Element.RenderedElementBase();
|
// style element
|
svg.Element.style = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
// text, or spaces then CDATA
|
var css = "";
|
for (var i = 0; i < node.childNodes.length; i++) {
|
css += node.childNodes[i].nodeValue;
|
}
|
css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, "");
|
// remove comments
|
css = svg.compressSpaces(css);
|
// replace whitespace
|
var cssDefs = css.split("}");
|
for (var i = 0; i < cssDefs.length; i++) {
|
if (svg.trim(cssDefs[i]) != "") {
|
var cssDef = cssDefs[i].split("{");
|
var cssClasses = cssDef[0].split(",");
|
var cssProps = cssDef[1].split(";");
|
for (var j = 0; j < cssClasses.length; j++) {
|
var cssClass = svg.trim(cssClasses[j]);
|
if (cssClass != "") {
|
var props = {};
|
for (var k = 0; k < cssProps.length; k++) {
|
var prop = cssProps[k].indexOf(":");
|
var name = cssProps[k].substr(0, prop);
|
var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
|
if (name != null && value != null) {
|
props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
|
}
|
}
|
svg.Styles[cssClass] = props;
|
if (cssClass == "@font-face") {
|
var fontFamily = props["font-family"].value.replace(/"/g, "");
|
var srcs = props["src"].value.split(",");
|
for (var s = 0; s < srcs.length; s++) {
|
if (srcs[s].indexOf('format("svg")') > 0) {
|
var urlStart = srcs[s].indexOf("url");
|
var urlEnd = srcs[s].indexOf(")", urlStart);
|
var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
|
var doc = svg.parseXml(svg.ajax(url));
|
var fonts = doc.getElementsByTagName("font");
|
for (var f = 0; f < fonts.length; f++) {
|
var font = svg.CreateElement(fonts[f]);
|
svg.Definitions[fontFamily] = font;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
};
|
svg.Element.style.prototype = new svg.Element.ElementBase();
|
// use element
|
svg.Element.use = function(node) {
|
this.base = svg.Element.RenderedElementBase;
|
this.base(node);
|
this.baseSetContext = this.setContext;
|
this.setContext = function(ctx) {
|
this.baseSetContext(ctx);
|
if (this.attribute("x").hasValue()) ctx.translate(this.attribute("x").toPixels("x"), 0);
|
if (this.attribute("y").hasValue()) ctx.translate(0, this.attribute("y").toPixels("y"));
|
};
|
this.getDefinition = function() {
|
var element = this.getHrefAttribute().getDefinition();
|
if (this.attribute("width").hasValue()) element.attribute("width", true).value = this.attribute("width").value;
|
if (this.attribute("height").hasValue()) element.attribute("height", true).value = this.attribute("height").value;
|
return element;
|
};
|
this.path = function(ctx) {
|
var element = this.getDefinition();
|
if (element != null) element.path(ctx);
|
};
|
this.getBoundingBox = function() {
|
var element = this.getDefinition();
|
if (element != null) return element.getBoundingBox();
|
};
|
this.renderChildren = function(ctx) {
|
var element = this.getDefinition();
|
if (element != null) {
|
// temporarily detach from parent and render
|
var oldParent = element.parent;
|
element.parent = null;
|
element.render(ctx);
|
element.parent = oldParent;
|
}
|
};
|
};
|
svg.Element.use.prototype = new svg.Element.RenderedElementBase();
|
// mask element
|
svg.Element.mask = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.apply = function(ctx, element) {
|
// render as temp svg
|
var x = this.attribute("x").toPixels("x");
|
var y = this.attribute("y").toPixels("y");
|
var width = this.attribute("width").toPixels("x");
|
var height = this.attribute("height").toPixels("y");
|
if (width == 0 && height == 0) {
|
var bb = new svg.BoundingBox();
|
for (var i = 0; i < this.children.length; i++) {
|
bb.addBoundingBox(this.children[i].getBoundingBox());
|
}
|
var x = Math.floor(bb.x1);
|
var y = Math.floor(bb.y1);
|
var width = Math.floor(bb.width());
|
var height = Math.floor(bb.height());
|
}
|
// temporarily remove mask to avoid recursion
|
var mask = element.attribute("mask").value;
|
element.attribute("mask").value = "";
|
var cMask = document.createElement("canvas");
|
cMask.width = x + width;
|
cMask.height = y + height;
|
var maskCtx = cMask.getContext("2d");
|
this.renderChildren(maskCtx);
|
var c = document.createElement("canvas");
|
c.width = x + width;
|
c.height = y + height;
|
var tempCtx = c.getContext("2d");
|
element.render(tempCtx);
|
tempCtx.globalCompositeOperation = "destination-in";
|
tempCtx.fillStyle = maskCtx.createPattern(cMask, "no-repeat");
|
tempCtx.fillRect(0, 0, x + width, y + height);
|
ctx.fillStyle = tempCtx.createPattern(c, "no-repeat");
|
ctx.fillRect(0, 0, x + width, y + height);
|
// reassign mask
|
element.attribute("mask").value = mask;
|
};
|
this.render = function(ctx) {};
|
};
|
svg.Element.mask.prototype = new svg.Element.ElementBase();
|
// clip element
|
svg.Element.clipPath = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.apply = function(ctx) {
|
for (var i = 0; i < this.children.length; i++) {
|
var child = this.children[i];
|
if (typeof child.path != "undefined") {
|
var transform = null;
|
if (child.attribute("transform").hasValue()) {
|
transform = new svg.Transform(child.attribute("transform").value);
|
transform.apply(ctx);
|
}
|
child.path(ctx);
|
ctx.clip();
|
if (transform) {
|
transform.unapply(ctx);
|
}
|
}
|
}
|
};
|
this.render = function(ctx) {};
|
};
|
svg.Element.clipPath.prototype = new svg.Element.ElementBase();
|
// filters
|
svg.Element.filter = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.apply = function(ctx, element) {
|
// render as temp svg
|
var bb = element.getBoundingBox();
|
var x = Math.floor(bb.x1);
|
var y = Math.floor(bb.y1);
|
var width = Math.floor(bb.width());
|
var height = Math.floor(bb.height());
|
// temporarily remove filter to avoid recursion
|
var filter = element.style("filter").value;
|
element.style("filter").value = "";
|
var px = 0, py = 0;
|
for (var i = 0; i < this.children.length; i++) {
|
var efd = this.children[i].extraFilterDistance || 0;
|
px = Math.max(px, efd);
|
py = Math.max(py, efd);
|
}
|
var c = document.createElement("canvas");
|
c.width = width + 2 * px;
|
c.height = height + 2 * py;
|
var tempCtx = c.getContext("2d");
|
tempCtx.translate(-x + px, -y + py);
|
element.render(tempCtx);
|
// apply filters
|
for (var i = 0; i < this.children.length; i++) {
|
this.children[i].apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py);
|
}
|
// render on me
|
ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py);
|
// reassign filter
|
element.style("filter", true).value = filter;
|
};
|
this.render = function(ctx) {};
|
};
|
svg.Element.filter.prototype = new svg.Element.ElementBase();
|
svg.Element.feMorphology = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.apply = function(ctx, x, y, width, height) {};
|
};
|
svg.Element.feMorphology.prototype = new svg.Element.ElementBase();
|
svg.Element.feColorMatrix = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
function imGet(img, x, y, width, height, rgba) {
|
return img[y * width * 4 + x * 4 + rgba];
|
}
|
function imSet(img, x, y, width, height, rgba, val) {
|
img[y * width * 4 + x * 4 + rgba] = val;
|
}
|
this.apply = function(ctx, x, y, width, height) {
|
// only supporting grayscale for now per Issue 195, need to extend to all matrix
|
// assuming x==0 && y==0 for now
|
var srcData = ctx.getImageData(0, 0, width, height);
|
for (var y = 0; y < height; y++) {
|
for (var x = 0; x < width; x++) {
|
var r = imGet(srcData.data, x, y, width, height, 0);
|
var g = imGet(srcData.data, x, y, width, height, 1);
|
var b = imGet(srcData.data, x, y, width, height, 2);
|
var gray = (r + g + b) / 3;
|
imSet(srcData.data, x, y, width, height, 0, gray);
|
imSet(srcData.data, x, y, width, height, 1, gray);
|
imSet(srcData.data, x, y, width, height, 2, gray);
|
}
|
}
|
ctx.clearRect(0, 0, width, height);
|
ctx.putImageData(srcData, 0, 0);
|
};
|
};
|
svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase();
|
svg.Element.feGaussianBlur = function(node) {
|
this.base = svg.Element.ElementBase;
|
this.base(node);
|
this.blurRadius = Math.floor(this.attribute("stdDeviation").numValue());
|
this.extraFilterDistance = this.blurRadius;
|
this.apply = function(ctx, x, y, width, height) {
|
if (typeof stackBlurCanvasRGBA == "undefined") {
|
if (typeof console != "undefined") {
|
console.log("ERROR: StackBlur.js must be included for blur to work");
|
}
|
return;
|
}
|
// StackBlur requires canvas be on document
|
ctx.canvas.id = svg.UniqueId();
|
ctx.canvas.style.display = "none";
|
document.body.appendChild(ctx.canvas);
|
stackBlurCanvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius);
|
document.body.removeChild(ctx.canvas);
|
};
|
};
|
svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase();
|
// title element, do nothing
|
svg.Element.title = function(node) {};
|
svg.Element.title.prototype = new svg.Element.ElementBase();
|
// desc element, do nothing
|
svg.Element.desc = function(node) {};
|
svg.Element.desc.prototype = new svg.Element.ElementBase();
|
svg.Element.MISSING = function(node) {
|
if (typeof console != "undefined") {
|
console.log("ERROR: Element '" + node.nodeName + "' not yet implemented.");
|
}
|
};
|
svg.Element.MISSING.prototype = new svg.Element.ElementBase();
|
// element factory
|
svg.CreateElement = function(node) {
|
var className = node.nodeName.replace(/^[^:]+:/, "");
|
// remove namespace
|
className = className.replace(/\-/g, "");
|
// remove dashes
|
var e = null;
|
if (typeof svg.Element[className] != "undefined") {
|
e = new svg.Element[className](node);
|
} else {
|
e = new svg.Element.MISSING(node);
|
}
|
e.type = node.nodeName;
|
return e;
|
};
|
// load from url
|
svg.load = function(ctx, url) {
|
svg.loadXml(ctx, svg.ajax(url));
|
};
|
// load from xml
|
svg.loadXml = function(ctx, xml) {
|
svg.loadXmlDoc(ctx, svg.parseXml(xml));
|
};
|
svg.loadXmlDoc = function(ctx, dom) {
|
svg.init(ctx);
|
var mapXY = function(p) {
|
var e = ctx.canvas;
|
while (e) {
|
p.x -= e.offsetLeft;
|
p.y -= e.offsetTop;
|
e = e.offsetParent;
|
}
|
if (window.scrollX) p.x += window.scrollX;
|
if (window.scrollY) p.y += window.scrollY;
|
return p;
|
};
|
// bind mouse
|
if (svg.opts["ignoreMouse"] != true) {
|
ctx.canvas.onclick = function(e) {
|
var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
svg.Mouse.onclick(p.x, p.y);
|
};
|
ctx.canvas.onmousemove = function(e) {
|
var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
|
svg.Mouse.onmousemove(p.x, p.y);
|
};
|
}
|
var e = svg.CreateElement(dom.documentElement);
|
e.root = true;
|
// render loop
|
var isFirstRender = true;
|
var draw = function() {
|
svg.ViewPort.Clear();
|
if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
|
if (svg.opts["ignoreDimensions"] != true) {
|
// set canvas size
|
if (e.style("width").hasValue()) {
|
ctx.canvas.width = e.style("width").toPixels("x");
|
ctx.canvas.style.width = ctx.canvas.width + "px";
|
}
|
if (e.style("height").hasValue()) {
|
ctx.canvas.height = e.style("height").toPixels("y");
|
ctx.canvas.style.height = ctx.canvas.height + "px";
|
}
|
}
|
var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
|
var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
|
if (svg.opts["ignoreDimensions"] == true && e.style("width").hasValue() && e.style("height").hasValue()) {
|
cWidth = e.style("width").toPixels("x");
|
cHeight = e.style("height").toPixels("y");
|
}
|
svg.ViewPort.SetCurrent(cWidth, cHeight);
|
if (svg.opts["offsetX"] != null) e.attribute("x", true).value = svg.opts["offsetX"];
|
if (svg.opts["offsetY"] != null) e.attribute("y", true).value = svg.opts["offsetY"];
|
if (svg.opts["scaleWidth"] != null && svg.opts["scaleHeight"] != null) {
|
var xRatio = 1, yRatio = 1, viewBox = svg.ToNumberArray(e.attribute("viewBox").value);
|
if (e.attribute("width").hasValue()) xRatio = e.attribute("width").toPixels("x") / svg.opts["scaleWidth"]; else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts["scaleWidth"];
|
if (e.attribute("height").hasValue()) yRatio = e.attribute("height").toPixels("y") / svg.opts["scaleHeight"]; else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts["scaleHeight"];
|
e.attribute("width", true).value = svg.opts["scaleWidth"];
|
e.attribute("height", true).value = svg.opts["scaleHeight"];
|
e.attribute("viewBox", true).value = "0 0 " + cWidth * xRatio + " " + cHeight * yRatio;
|
e.attribute("preserveAspectRatio", true).value = "none";
|
}
|
// clear and render
|
if (svg.opts["ignoreClear"] != true) {
|
ctx.clearRect(0, 0, cWidth, cHeight);
|
}
|
e.render(ctx);
|
if (isFirstRender) {
|
isFirstRender = false;
|
if (typeof svg.opts["renderCallback"] == "function") svg.opts["renderCallback"](dom);
|
}
|
};
|
var waitingForImages = true;
|
if (svg.ImagesLoaded()) {
|
waitingForImages = false;
|
draw();
|
}
|
svg.intervalID = setInterval(function() {
|
var needUpdate = false;
|
if (waitingForImages && svg.ImagesLoaded()) {
|
waitingForImages = false;
|
needUpdate = true;
|
}
|
// need update from mouse events?
|
if (svg.opts["ignoreMouse"] != true) {
|
needUpdate = needUpdate | svg.Mouse.hasEvents();
|
}
|
// need update from animations?
|
if (svg.opts["ignoreAnimation"] != true) {
|
for (var i = 0; i < svg.Animations.length; i++) {
|
needUpdate = needUpdate | svg.Animations[i].update(1e3 / svg.FRAMERATE);
|
}
|
}
|
// need update from redraw?
|
if (typeof svg.opts["forceRedraw"] == "function") {
|
if (svg.opts["forceRedraw"]() == true) needUpdate = true;
|
}
|
// render if needed
|
if (needUpdate) {
|
draw();
|
svg.Mouse.runEvents();
|
}
|
}, 1e3 / svg.FRAMERATE);
|
};
|
svg.stop = function() {
|
if (svg.intervalID) {
|
clearInterval(svg.intervalID);
|
}
|
};
|
svg.Mouse = new function() {
|
this.events = [];
|
this.hasEvents = function() {
|
return this.events.length != 0;
|
};
|
this.onclick = function(x, y) {
|
this.events.push({
|
type: "onclick",
|
x: x,
|
y: y,
|
run: function(e) {
|
if (e.onclick) e.onclick();
|
}
|
});
|
};
|
this.onmousemove = function(x, y) {
|
this.events.push({
|
type: "onmousemove",
|
x: x,
|
y: y,
|
run: function(e) {
|
if (e.onmousemove) e.onmousemove();
|
}
|
});
|
};
|
this.eventElements = [];
|
this.checkPath = function(element, ctx) {
|
for (var i = 0; i < this.events.length; i++) {
|
var e = this.events[i];
|
if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
|
}
|
};
|
this.checkBoundingBox = function(element, bb) {
|
for (var i = 0; i < this.events.length; i++) {
|
var e = this.events[i];
|
if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
|
}
|
};
|
this.runEvents = function() {
|
svg.ctx.canvas.style.cursor = "";
|
for (var i = 0; i < this.events.length; i++) {
|
var e = this.events[i];
|
var element = this.eventElements[i];
|
while (element) {
|
e.run(element);
|
element = element.parent;
|
}
|
}
|
// done running, clear
|
this.events = [];
|
this.eventElements = [];
|
};
|
}();
|
return svg;
|
}
|
})();
|
if (typeof CanvasRenderingContext2D != "undefined") {
|
CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
|
canvg(this.canvas, s, {
|
ignoreMouse: true,
|
ignoreAnimation: true,
|
ignoreDimensions: true,
|
ignoreClear: true,
|
offsetX: dx,
|
offsetY: dy,
|
scaleWidth: dw,
|
scaleHeight: dh
|
});
|
};
|
}
|
return canvg;
|
}
|
};
|
|
/*!
|
* 输出转换器，提供输出支持
|
*/
|
_p[1] = {
|
value: function(require) {
|
var kity = _p.r(34), canvg = _p.r(0);
|
return kity.createClass("Output", {
|
constructor: function(formula) {
|
this.formula = formula;
|
},
|
toJPG: function(cb) {
|
toImage(this.formula, "image/jpeg", cb);
|
},
|
toPNG: function(cb) {
|
toImage(this.formula, "image/png", cb);
|
}
|
});
|
function toImage(formula, type, cb) {
|
var rectSpace = formula.container.getRenderBox();
|
return getBase64DataURL(formula.node.ownerDocument, {
|
width: rectSpace.width,
|
height: rectSpace.height,
|
content: getSVGContent(formula.node)
|
}, type, cb);
|
}
|
function getBase64DataURL(doc, data, type, cb) {
|
var canvas = null, args = arguments, ctx = null;
|
if (true) {
|
drawToCanvas.apply(null, args);
|
} else {
|
canvas = getImageCanvas(doc, data.width, data.height, type);
|
ctx = canvas.getContext("2d");
|
var image = new Image();
|
image.onload = function() {
|
try {
|
ctx.drawImage(image, 0, 0);
|
cb(canvas.toDataURL(type));
|
} catch (e) {
|
drawToCanvas.apply(null, args);
|
}
|
};
|
image.src = getSVGDataURL(data.content);
|
}
|
}
|
function getSVGContent(svgNode) {
|
var tmp = svgNode.ownerDocument.createElement("div"), start = [ '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="', svgNode.getAttribute("width"), '" height="', svgNode.getAttribute("height"), '">' ];
|
tmp.appendChild(svgNode.cloneNode(true));
|
return tmp.innerHTML.replace(/<svg[^>]+?>/i, start.join("")).replace(/ /g, "");
|
}
|
function getSVGDataURL(data) {
|
return "data:image/svg+xml;base64," + window.btoa(unescape(encodeURIComponent(data)));
|
}
|
function getImageCanvas(doc, width, height, type) {
|
var canvas = doc.createElement("canvas"), ctx = canvas.getContext("2d");
|
canvas.width = width;
|
canvas.height = height;
|
if (type !== "image/png") {
|
ctx.fillStyle = "white";
|
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
}
|
return canvas;
|
}
|
function drawToCanvas(doc, data, type, cb) {
|
var canvas = getImageCanvas(doc, data.width, data.height, type);
|
canvas.style.cssText = "position: absolute; top: 0; left: 100000px; z-index: -1;";
|
window.setTimeout(function() {
|
doc.body.appendChild(canvas);
|
canvg(canvas, data.content);
|
doc.body.removeChild(canvas);
|
cb(canvas.toDataURL(type));
|
}, 0);
|
}
|
}
|
};
|
|
/*!
|
* 所有字符的列表
|
*/
|
_p[2] = {
|
value: function() {
|
return [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "ȷ", "ı", "α", "β", "γ", "δ", "ε", "ζ", "η", "θ", "ι", "κ", "λ", "μ", "ν", "ξ", "ο", "π", "ρ", "ς", "σ", "τ", "υ", "φ", "χ", "ψ", "ω", "ϑ", "ϕ", "ϖ", "Ϟ", "Ϝ", "ϵ", "ϱ", "Ϲ", "ℜ", "ℵ", "ℑ", "℧", "ℶ", "ℷ", "ℸ", "ð", "ℏ", "⅁", "ℎ", "∂", "℘", "⅌", "Ⅎ", "∁", "ℓ", "Ⓢ", "(", ")", "Γ", "Δ", "Ε", "Ζ", "Η", "Θ", "Ι", "Κ", "Λ", "Μ", "Ν", "Ξ", "Ο", "Π", "Ρ", "Σ", "Τ", "Υ", "Φ", "Χ", "Ψ", "Ω", "Α", "Β", "#", "!", "$", "%", "&", "∠", "′", "‵", "★", "◆", "■", "▲", "▼", "⊤", "⊥", "♣", "♠", "♢", "♡", "∃", "∄", "♭", "♮", "♯", "∀", "∞", "∡", "∇", "¬", "∢", "√", "△", "▽", "∅", "ø", "◇", "◀", "▸", "[", "]", "{", "}", "〈", "〉", "ϰ", ",", ".", "/", ":", ";", "?", "\\", "⋮", "⋯", "⋰", "…", "@", """, "'", "|", "^", "`", "“", "_", "*", "+", "-", "∐", "⊼", "⊻", "◯", "⊡", "⊟", "⊞", "⊠", "•", "∩", "∪", "⋒", "⋓", "⋐", "⋑", "·", "▪", "◦", "⊛", "⊚", "⊖", "⊙", "⊝", "⊕", "⊗", "⊘", "±", "∓", "⋏", "⋎", "†", "‡", "⋄", "÷", "⋇", "∔", "⌭", "⋗", "⋖", "⋉", "⋊", "⋋", "⋌", "⊓", "⊔", "⊑", "⊒", "⊏", "⊐", "⋆", "×", "⊳", "⊲", "⊵", "⊴", "⊎", "∨", "∧", "≀", "<", "=", ">", "≈", "≇", "≍", "≒", "≓", "≊", "∽", "≁", "≂", "≃", "⋍", "≏", "≎", "≗", "≅", "⋞", "⋟", "≐", "≑", "≖", "⪖", "⪕", "≡", "≥", "≤", "≦", "≧", "⩾", "⩽", "≫", "≪", "≨", "≩", "⋘", "⋙", "⪇", "⪈", "⪉", "⪊", "⋧", "⋦", "⪆", "⪅", "⋛", "⋚", "⪋", "⪌", "≷", "≶", "≳", "≲", "⌮", "⌯", "≯", "≱", "≰", "≮", "⌱", "⌰", "⌲", "⌳", "≬", "⊀", "⊁", "⋠", "⋡", "≺", "≻", "≼", "≽", "≾", "≿", "⊂", "⊃", "⊈", "⊉", "⊆", "⊇", "⊊", "⊋", "⪷", "⪸", "⪯", "⪰", "⪹", "⪺", "⪵", "⪶", "⋨", "⋩", "∼", "≜", "↶", "↷", "↺", "↻", "↾", "↿", "⇂", "⇃", "⇄", "⇆", "⇈", "⇊", "⇋", "⇌", "⇍", "⇎", "⇏", "⇐", "⇑", "⇒", "⇓", "⇔", "⇕", "⇚", "⇛", "⇝", "↫", "↬", "↭", "↮", "←", "↑", "→", "↓", "↔", "↕", "↖", "↗", "↘", "↙", "↞", "↠", "↢", "↣", "↰", "↱", "⊢", "⊣", "⊨", "⊩", "⊪", "⊭", "⊯", "⊸", "⊺", "⋔", "⋪", "⋫", "⋬", "⋭", "⌈", "⌉", "⌊", "⌋", "⫋", "⫌", "⫅", "⫆", "∈", "∋", "∝", "∤", "∦", "∴", "∵", "∍", "⋈", "⌢", "⌣", "∣", "∥", "⏐", "⏑", "⏒", "⏓", "⫇", "⫈", "⊮", "⊬", "⫉", "⏔", "⏕", "⏖", "⏗", "⇇", "⇉", "↼", "↽", "⇀", "⇁", "↚", "↛", "⟵", "⟶", "⟷", "⟹", "⟸", "⟺", "≢", "≠", "∉" ];
|
}
|
};
|
|
/*!
|
* 字符配置
|
*/
|
_p[3] = {
|
value: function() {
|
return {
|
// 默认字体
|
defaultFont: "KF AMS MAIN"
|
};
|
}
|
};
|
|
/*!
|
* 工厂方法，创建兼容各浏览器的text实现
|
*/
|
_p[4] = {
|
value: function(require) {
|
var kity = _p.r(34), divNode = document.createElement("div"), NAMESPACE = "http://www.w3.org/XML/1998/namespace";
|
function createText(content) {
|
var text = new kity.Text();
|
// Non-IE
|
if ("innerHTML" in text.node) {
|
text.node.setAttributeNS(NAMESPACE, "xml:space", "preserve");
|
} else {
|
if (content.indexOf(" ") != -1) {
|
content = convertContent(content);
|
}
|
}
|
text.setContent(content);
|
return text;
|
}
|
/**
|
* 构建节点来转换内容
|
*/
|
function convertContent(content) {
|
divNode.innerHTML = '<svg><text gg="asfdas">' + content.replace(/\s/gi, " ") + "</text></svg>";
|
return divNode.firstChild.firstChild.textContent;
|
}
|
return {
|
create: function(content) {
|
return createText(content);
|
}
|
};
|
}
|
};
|
|
/**
|
* 文本
|
*/
|
_p[5] = {
|
value: function(require) {
|
var kity = _p.r(34), FONT_CONF = _p.r(47).font, FontManager = _p.r(25), TextFactory = _p.r(4);
|
return kity.createClass("Text", {
|
base: _p.r(46),
|
constructor: function(content, fontFamily) {
|
this.callBase();
|
this.fontFamily = fontFamily;
|
this.fontSize = 50;
|
this.content = content || "";
|
// 移除多余的节点
|
this.box.remove();
|
this.translationContent = this.translation(this.content);
|
this.contentShape = new kity.Group();
|
this.contentNode = this.createContent();
|
this.contentShape.addShape(this.contentNode);
|
this.addShape(this.contentShape);
|
},
|
createContent: function() {
|
var contentNode = TextFactory.create(this.translationContent);
|
contentNode.setAttr({
|
"font-family": this.fontFamily,
|
"font-size": 50,
|
x: 0,
|
y: FONT_CONF.offset
|
});
|
return contentNode;
|
},
|
setFamily: function(fontFamily) {
|
this.fontFamily = fontFamily;
|
this.contentNode.setAttr("font-family", fontFamily);
|
},
|
setFontSize: function(fontSize) {
|
this.fontSize = fontSize;
|
this.contentNode.setAttr("font-size", fontSize + "px");
|
this.contentNode.setAttr("y", fontSize / 50 * FONT_CONF.offset);
|
},
|
getBaseHeight: function() {
|
var chars = this.contentShape.getItems(), currentChar = null, index = 0, height = 0;
|
while (currentChar = chars[index]) {
|
height = Math.max(height, currentChar.getHeight());
|
index++;
|
}
|
return height;
|
},
|
translation: function(content) {
|
var fontFamily = this.fontFamily;
|
// 首先特殊处理掉两个相连的"`"符号
|
return content.replace(/``/g, "“").replace(/\\([a-zA-Z,]+)\\/g, function(match, input) {
|
if (input === ",") {
|
return " ";
|
}
|
var data = FontManager.getCharacterValue(input, fontFamily);
|
if (!data) {
|
return "";
|
}
|
return data;
|
});
|
}
|
});
|
}
|
};
|
|
/**
|
* 定义公式中各种对象的类型
|
*/
|
_p[6] = {
|
value: function() {
|
return {
|
UNKNOWN: -1,
|
EXP: 0,
|
COMPOUND_EXP: 1,
|
OP: 2
|
};
|
}
|
};
|
|
/**
|
* 定义公式中上下标的类型
|
*/
|
_p[7] = {
|
value: function() {
|
return {
|
SIDE: "side",
|
FOLLOW: "follow"
|
};
|
}
|
};
|
|
/**
|
* 下标表达式
|
*/
|
_p[8] = {
|
value: function(require) {
|
var kity = _p.r(34);
|
return kity.createClass("SubscriptExpression", {
|
base: _p.r(17),
|
constructor: function(operand, subscript) {
|
this.callBase(operand, null, subscript);
|
this.setFlag("Subscript");
|
}
|
});
|
}
|
};
|
|
/**
|
* 上标表达式
|
*/
|
_p[9] = {
|
value: function(require) {
|
var kity = _p.r(34);
|
return kity.createClass("SuperscriptExpression", {
|
base: _p.r(17),
|
constructor: function(operand, superscript) {
|
this.callBase(operand, superscript, null);
|
this.setFlag("Superscript");
|
}
|
});
|
}
|
};
|
|
/**
|
* 二元操作表达式
|
*/
|
_p[10] = {
|
value: function(require) {
|
var kity = _p.r(34);
|
return kity.createClass("BinaryExpression", {
|
base: _p.r(19),
|
constructor: function(firstOperand, lastOperand) {
|
this.callBase();
|
this.setFirstOperand(firstOperand);
|
this.setLastOperand(lastOperand);
|
},
|
setFirstOperand: function(operand) {
|
return this.setOperand(operand, 0);
|
},
|
getFirstOperand: function() {
|
return this.getOperand(0);
|
},
|
setLastOperand: function(operand) {
|
return this.setOperand(operand, 1);
|
},
|
getLastOperand: function() {
|
return this.getOperand(1);
|
}
|
});
|
}
|
};
|
|
/**
|
* 自动增长括号表达式
|
*/
|
_p[11] = {
|
value: function(require) {
|
var kity = _p.r(34), BracketsOperator = _p.r(35);
|
return kity.createClass("BracketsExpression", {
|
base: _p.r(19),
|
/**
|
* 构造函数调用方式：
|
* new Constructor( 左括号, 右括号, 表达式 )
|
* 或者
|
* new Constructor( 括号, 表达式 ), 该构造函数转换成上面的构造函数，是： new Constructor( 括号, 括号, 表达式 )
|
* @param left 左括号
|
* @param right 右括号
|
* @param exp 表达式
|
*/
|
constructor: function(left, right, exp) {
|
this.callBase();
|
this.setFlag("Brackets");
|
// 参数整理
|
if (arguments.length === 2) {
|
exp = right;
|
right = left;
|
}
|
this.leftSymbol = left;
|
this.rightSymbol = right;
|
this.setOperator(new BracketsOperator());
|
this.setOperand(exp, 0);
|
},
|
getLeftSymbol: function() {
|
return this.leftSymbol;
|
},
|
getRightSymbol: function() {
|
return this.rightSymbol;
|
}
|
});
|
}
|
};
|
|
/**
|
* 组合表达式
|
* 可以组合多个表达式
|
*/
|
_p[12] = {
|
value: function(require) {
|
var kity = _p.r(34), FONT_CONF = _p.r(47).font, CombinationOperator = _p.r(36);
|
return kity.createClass("CombinationExpression", {
|
base: _p.r(19),
|
constructor: function() {
|
this.callBase();
|
this.setFlag("Combination");
|
this.setOperator(new CombinationOperator());
|
kity.Utils.each(arguments, function(operand, index) {
|
this.setOperand(operand, index);
|
}, this);
|
},
|
getRenderBox: function(refer) {
|
var rectBox = this.callBase(refer);
|
if (this.getOperands().length === 0) {
|
rectBox.height = FONT_CONF.spaceHeight;
|
}
|
return rectBox;
|
},
|
getBaseline: function(refer) {
|
var maxBaseline = 0, operands = this.getOperands();
|
if (operands.length === 0) {
|
return this.callBase(refer);
|
}
|
kity.Utils.each(operands, function(operand) {
|
maxBaseline = Math.max(operand.getBaseline(refer), maxBaseline);
|
});
|
return maxBaseline;
|
},
|
getMeanline: function(refer) {
|
var minMeanline = 1e7, operands = this.getOperands();
|
if (operands.length === 0) {
|
return this.callBase(refer);
|
}
|
kity.Utils.each(operands, function(operand) {
|
minMeanline = Math.min(operand.getMeanline(refer), minMeanline);
|
});
|
return minMeanline;
|
}
|
});
|
}
|
};
|
|
/**
|
* 分数表达式
|
*/
|
_p[13] = {
|
value: function(require) {
|
var kity = _p.r(34), FractionOperator = _p.r(38);
|
return kity.createClass("FractionExpression", {
|
base: _p.r(10),
|
constructor: function(upOperand, downOperand) {
|
this.callBase(upOperand, downOperand);
|
this.setFlag("Fraction");
|
this.setOperator(new FractionOperator());
|
},
|
/*------- 重写分数结构的baseline和mealine计算方式 */
|
getBaseline: function(refer) {
|
var downOperand = this.getOperand(1), rectBox = downOperand.getRenderBox(refer);
|
return rectBox.y + downOperand.getBaselineProportion() * rectBox.height;
|
},
|
getMeanline: function(refer) {
|
var upOperand = this.getOperand(0), rectBox = upOperand.getRenderBox(refer);
|
return upOperand.getMeanlineProportion() * rectBox.height;
|
}
|
});
|
}
|
};
|
|
/**
|
* 函数表达式
|
*/
|
_p[14] = {
|
value: function(require) {
|
var kity = _p.r(34), FUNC_CONF = _p.r(47).func, FunctionOperator = _p.r(39);
|
return kity.createClass("FunctionExpression", {
|
base: _p.r(19),
|
/**
|
* function表达式构造函数
|
* @param funcName function名称
|
* @param expr 函数表达式
|
* @param sup 上标
|
* @param sub 下标
|
*/
|
constructor: function(funcName, expr, sup, sub) {
|
this.callBase();
|
this.setFlag("Func");
|
this.funcName = funcName;
|
this.setOperator(new FunctionOperator(funcName));
|
this.setExpr(expr);
|
this.setSuperscript(sup);
|
this.setSubscript(sub);
|
},
|
// 当前函数应用的script位置是否是在侧面
|
isSideScript: function() {
|
return !FUNC_CONF["ud-script"][this.funcName];
|
},
|
setExpr: function(expr) {
|
return this.setOperand(expr, 0);
|
},
|
setSuperscript: function(sub) {
|
return this.setOperand(sub, 1);
|
},
|
setSubscript: function(sub) {
|
return this.setOperand(sub, 2);
|
}
|
});
|
}
|
};
|
|
/**
|
* 积分表达式
|
*/
|
_p[15] = {
|
value: function(require) {
|
var kity = _p.r(34), IntegrationOperator = _p.r(40), IntegrationExpression = kity.createClass("IntegrationExpression", {
|
base: _p.r(19),
|
/**
|
* 构造积分表达式
|
* @param integrand 被积函数
|
* @param supOperand 上限
|
* @param subOperand 下限
|
*/
|
constructor: function(integrand, superscript, subscript) {
|
this.callBase();
|
this.setFlag("Integration");
|
this.setOperator(new IntegrationOperator());
|
this.setIntegrand(integrand);
|
this.setSuperscript(superscript);
|
this.setSubscript(subscript);
|
},
|
setType: function(type) {
|
this.getOperator().setType(type);
|
return this;
|
},
|
resetType: function() {
|
this.getOperator().resetType();
|
return this;
|
},
|
setIntegrand: function(integrand) {
|
this.setOperand(integrand, 0);
|
},
|
setSuperscript: function(sup) {
|
this.setOperand(sup, 1);
|
},
|
setSubscript: function(sub) {
|
this.setOperand(sub, 2);
|
}
|
});
|
return IntegrationExpression;
|
}
|
};
|
|
/**
|
* 方根表达式
|
*/
|
_p[16] = {
|
value: function(require) {
|
var kity = _p.r(34), RadicalOperator = _p.r(42);
|
return kity.createClass("RadicalExpression", {
|
base: _p.r(10),
|
/**
|
* 构造开方表达式
|
* @param radicand 被开方数
|
* @param exponent 指数
|
*/
|
constructor: function(radicand, exponent) {
|
this.callBase(radicand, exponent);
|
this.setFlag("Radicand");
|
this.setOperator(new RadicalOperator());
|
},
|
setRadicand: function(operand) {
|
return this.setFirstOperand(operand);
|
},
|
getRadicand: function() {
|
return this.getFirstOperand();
|
},
|
setExponent: function(operand) {
|
return this.setLastOperand(operand);
|
},
|
getExponent: function() {
|
return this.getLastOperand();
|
}
|
});
|
}
|
};
|
|
/**
|
* 上标表达式
|
*/
|
_p[17] = {
|
value: function(require) {
|
var kity = _p.r(34), ScriptOperator = _p.r(43);
|
return kity.createClass("ScriptExpression", {
|
base: _p.r(19),
|
constructor: function(operand, superscript, subscript) {
|
this.callBase();
|
this.setFlag("Script");
|
this.setOperator(new ScriptOperator());
|
this.setOpd(operand);
|
this.setSuperscript(superscript);
|
this.setSubscript(subscript);
|
},
|
setOpd: function(operand) {
|
this.setOperand(operand, 0);
|
},
|
setSuperscript: function(sup) {
|
this.setOperand(sup, 1);
|
},
|
setSubscript: function(sub) {
|
this.setOperand(sub, 2);
|
}
|
});
|
}
|
};
|
|
/**
|
* 求和表达式
|
*/
|
_p[18] = {
|
value: function(require) {
|
var kity = _p.r(34), SummationOperator = _p.r(44);
|
return kity.createClass("SummationExpression", {
|
base: _p.r(19),
|
/**
|
* 构造求和表达式
|
* @param expr 求和表达式
|
* @param upOperand 上标
|
* @param downOperand 下标
|
*/
|
constructor: function(expr, superscript, subscript) {
|
this.callBase();
|
this.setFlag("Summation");
|
this.setOperator(new SummationOperator());
|
this.setExpr(expr);
|
this.setSuperscript(superscript);
|
this.setSubscript(subscript);
|
},
|
setExpr: function(expr) {
|
this.setOperand(expr, 0);
|
},
|
setSuperscript: function(sup) {
|
this.setOperand(sup, 1);
|
},
|
setSubscript: function(sub) {
|
this.setOperand(sub, 2);
|
}
|
});
|
}
|
};
|
|
/**
|
* 复合表达式
|
* @abstract
|
*/
|
_p[19] = {
|
value: function(require) {
|
var kity = _p.r(34), GTYPE = _p.r(6), Expression = _p.r(21);
|
return kity.createClass("CompoundExpression", {
|
base: _p.r(21),
|
constructor: function() {
|
this.callBase();
|
this.type = GTYPE.COMPOUND_EXP;
|
this.operands = [];
|
this.operator = null;
|
this.operatorBox = new kity.Group();
|
this.operatorBox.setAttr("data-type", "kf-editor-exp-op-box");
|
this.operandBox = new kity.Group();
|
this.operandBox.setAttr("data-type", "kf-editor-exp-operand-box");
|
this.setChildren(0, this.operatorBox);
|
this.setChildren(1, this.operandBox);
|
},
|
// 操作符存储在第1位置
|
setOperator: function(operator) {
|
if (operator === undefined) {
|
return this;
|
}
|
if (this.operator) {
|
this.operator.remove();
|
}
|
this.operatorBox.addShape(operator);
|
this.operator = operator;
|
this.operator.setParentExpression(this);
|
// 表达式关联到操作符
|
operator.expression = this;
|
return this;
|
},
|
getOperator: function() {
|
return this.operator;
|
},
|
// 操作数存储位置是从1开始
|
setOperand: function(operand, index, isWrap) {
|
// 不包装操作数
|
if (isWrap === false) {
|
this.operands[index] = operand;
|
return this;
|
}
|
operand = Expression.wrap(operand);
|
if (this.operands[index]) {
|
this.operands[index].remove();
|
}
|
this.operands[index] = operand;
|
this.operandBox.addShape(operand);
|
return this;
|
},
|
getOperand: function(index) {
|
return this.operands[index];
|
},
|
getOperands: function() {
|
return this.operands;
|
},
|
addedCall: function() {
|
this.operator.applyOperand.apply(this.operator, this.operands);
|
return this;
|
}
|
});
|
}
|
};
|
|
/**
|
* 空表达式
|
* 该表达式主要用途是用于站位
|
*/
|
_p[20] = {
|
value: function(require) {
|
var kity = _p.r(34), FONT_CONF = _p.r(47).font, Expression = _p.r(21), EmptyExpression = kity.createClass("EmptyExpression", {
|
base: Expression,
|
constructor: function() {
|
this.callBase();
|
this.setFlag("Empty");
|
},
|
getRenderBox: function() {
|
return {
|
width: 0,
|
height: FONT_CONF.spaceHeight,
|
x: 0,
|
y: 0
|
};
|
}
|
});
|
EmptyExpression.isEmpty = function(target) {
|
return target instanceof EmptyExpression;
|
};
|
// 注册打包函数
|
Expression.registerWrap("empty", function(operand) {
|
if (operand === null || operand === undefined) {
|
return new EmptyExpression();
|
}
|
});
|
return EmptyExpression;
|
}
|
};
|
|
/**
|
* 基础表达式， 该类是表达式和操作数的高层抽象
|
* @abstract
|
*/
|
_p[21] = {
|
value: function(require) {
|
var kity = _p.r(34), GTYPE = _p.r(6), FONT_CONF = _p.r(47).font, // 打包函数列表
|
WRAP_FN = [], // 注册的打包函数的名称与其在注册器列表中的索引之间的对应关系
|
WRAP_FN_INDEX = {}, Expression = kity.createClass("Expression", {
|
base: _p.r(46),
|
constructor: function() {
|
this.callBase();
|
this.type = GTYPE.EXP;
|
// 表达式的上下偏移
|
this._offset = {
|
top: 0,
|
bottom: 0
|
};
|
this.children = [];
|
this.box.fill("transparent").setAttr("data-type", "kf-editor-exp-box");
|
this.box.setAttr("data-type", "kf-editor-exp-bg-box");
|
this.expContent = new kity.Group();
|
this.expContent.setAttr("data-type", "kf-editor-exp-content-box");
|
this.addShape(this.expContent);
|
},
|
getChildren: function() {
|
return this.children;
|
},
|
getChild: function(index) {
|
return this.children[index] || null;
|
},
|
getTopOffset: function() {
|
return this._offset.top;
|
},
|
getBottomOffset: function() {
|
return this._offset.bottom;
|
},
|
getOffset: function() {
|
return this._offset;
|
},
|
setTopOffset: function(val) {
|
this._offset.top = val;
|
},
|
setBottomOffset: function(val) {
|
this._offset.bottom = val;
|
},
|
setOffset: function(top, bottom) {
|
this._offset.top = top;
|
this._offset.bottom = bottom;
|
},
|
setFlag: function(flag) {
|
this.setAttr("data-flag", flag || "Expression");
|
},
|
setChildren: function(index, exp) {
|
// 首先清理掉之前的表达式
|
if (this.children[index]) {
|
this.children[index].remove();
|
}
|
this.children[index] = exp;
|
this.expContent.addShape(exp);
|
},
|
getBaselineProportion: function() {
|
return FONT_CONF.baselinePosition;
|
},
|
getMeanlineProportion: function() {
|
return FONT_CONF.meanlinePosition;
|
},
|
getBaseline: function(refer) {
|
// 上偏移3px
|
return this.getRenderBox(refer).height * FONT_CONF.baselinePosition - 3;
|
},
|
getMeanline: function(refer) {
|
// 上偏移1px
|
return this.getRenderBox(refer).height * FONT_CONF.meanlinePosition - 1;
|
},
|
getAscenderline: function() {
|
return this.getFixRenderBox().height * FONT_CONF.ascenderPosition;
|
},
|
getDescenderline: function() {
|
return this.getFixRenderBox().height * FONT_CONF.descenderPosition;
|
},
|
translateElement: function(x, y) {
|
this.expContent.translate(x, y);
|
},
|
expand: function(width, height) {
|
var renderBox = this.getFixRenderBox();
|
this.setBoxSize(renderBox.width + width, renderBox.height + height);
|
},
|
getBaseWidth: function() {
|
return this.getWidth();
|
},
|
getBaseHeight: function() {
|
return this.getHeight();
|
},
|
updateBoxSize: function() {
|
var renderBox = this.expContent.getFixRenderBox();
|
this.setBoxSize(renderBox.width, renderBox.height);
|
},
|
getBox: function() {
|
return this.box;
|
}
|
});
|
// 表达式自动打包
|
kity.Utils.extend(Expression, {
|
registerWrap: function(name, fn) {
|
WRAP_FN_INDEX[name] = WRAP_FN.length;
|
WRAP_FN.push(fn);
|
},
|
revokeWrap: function(name) {
|
var fn = null;
|
if (name in WRAP_FN_INDEX) {
|
fn = WRAP_FN[WRAP_FN_INDEX[name]];
|
WRAP_FN[WRAP_FN_INDEX[name]] = null;
|
delete WRAP_FN_INDEX[name];
|
}
|
return fn;
|
},
|
// 打包函数
|
wrap: function(operand) {
|
var result;
|
kity.Utils.each(WRAP_FN, function(fn) {
|
if (!fn) {
|
return;
|
}
|
result = fn(operand);
|
if (result) {
|
return false;
|
}
|
});
|
return result;
|
}
|
});
|
return Expression;
|
}
|
};
|
|
/**
|
* Text表达式
|
*/
|
_p[22] = {
|
value: function(require) {
|
var Text = _p.r(5), kity = _p.r(34), FONT_CONF = _p.r(3), Expression = _p.r(21), TextExpression = kity.createClass("TextExpression", {
|
base: _p.r(21),
|
constructor: function(content, fontFamily) {
|
this.callBase();
|
this.fontFamily = fontFamily || FONT_CONF.defaultFont;
|
this.setFlag("Text");
|
this.content = content + "";
|
this.textContent = new Text(this.content, this.fontFamily);
|
this.setChildren(0, this.textContent);
|
this.setChildren(1, new kity.Rect(0, 0, 0, 0).fill("transparent"));
|
},
|
setFamily: function(fontFamily) {
|
this.textContent.setFamily(fontFamily);
|
},
|
setFontSize: function(fontSize) {
|
this.textContent.setFontSize(fontSize);
|
},
|
addedCall: function() {
|
var box = this.textContent.getFixRenderBox();
|
this.getChild(1).setSize(box.width, box.height);
|
this.updateBoxSize();
|
return this;
|
}
|
});
|
// 注册文本表达式的打包函数
|
Expression.registerWrap("text", function(operand) {
|
var operandType = typeof operand;
|
if (operandType === "number" || operandType === "string") {
|
operand = new TextExpression(operand);
|
}
|
return operand;
|
});
|
return TextExpression;
|
}
|
};
|
|
/*!
|
* 字体信息检测模板，用于检测浏览器的字体信息
|
*/
|
_p[23] = {
|
value: function() {
|
return [ '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">', '<text id="abcd" font-family="KF AMS MAIN" font-size="50" x="0" y="0">x</text>', "</svg>" ];
|
}
|
};
|
|
/*!
|
* 字体安装器
|
*/
|
_p[24] = {
|
value: function(require) {
|
var kity = _p.r(34), FontManager = _p.r(25), $ = _p.r(33), FONT_CONF = _p.r(47).font, CHAR_LIST = _p.r(2), NODE_LIST = [];
|
return kity.createClass("FontInstaller", {
|
constructor: function(doc, resource) {
|
this.callBase();
|
this.resource = resource || "../src/resource/";
|
this.doc = doc;
|
},
|
// 挂载字体
|
mount: function(callback) {
|
var fontList = FontManager.getFontList(), count = 0, _self = this;
|
kity.Utils.each(fontList, function(fontInfo) {
|
count++;
|
fontInfo.meta.src = _self.resource + fontInfo.meta.src;
|
_self.createFontStyle(fontInfo);
|
preload(_self.doc, fontInfo, function() {
|
count--;
|
if (count === 0) {
|
complete(_self.doc, callback);
|
}
|
});
|
});
|
},
|
createFontStyle: function(fontInfo) {
|
var stylesheet = this.doc.createElement("style"), tpl = '@font-face{\nfont-family: "${fontFamily}";\nsrc: url("${src}");\n}';
|
stylesheet.setAttribute("type", "text/css");
|
stylesheet.innerHTML = tpl.replace("${fontFamily}", fontInfo.meta.fontFamily).replace("${src}", fontInfo.meta.src);
|
this.doc.head.appendChild(stylesheet);
|
}
|
});
|
function preload(doc, fontInfo, callback) {
|
$.get(fontInfo.meta.src, function(data, state) {
|
if (state === "success") {
|
applyFonts(doc, fontInfo);
|
}
|
callback();
|
});
|
}
|
function complete(doc, callback) {
|
window.setTimeout(function() {
|
initFontSystemInfo(doc);
|
removeTmpNode();
|
callback();
|
}, 100);
|
}
|
function applyFonts(doc, fontInfo) {
|
var node = document.createElement("div"), fontFamily = fontInfo.meta.fontFamily;
|
node.style.cssText = "position: absolute; top: -10000px; left: -100000px;";
|
node.style.fontFamily = fontFamily;
|
node.innerHTML = CHAR_LIST.join("");
|
doc.body.appendChild(node);
|
NODE_LIST.push(node);
|
}
|
/**
|
* 计算字体系统信息
|
*/
|
function initFontSystemInfo(doc) {
|
var tmpNode = doc.createElement("div");
|
tmpNode.style.cssText = "position: absolute; top: 0; left: -100000px;";
|
tmpNode.innerHTML = _p.r(23).join("");
|
doc.body.appendChild(tmpNode);
|
var rectBox = tmpNode.getElementsByTagName("text")[0].getBBox();
|
// text实际占用空间
|
FONT_CONF.spaceHeight = rectBox.height;
|
// text顶部空间
|
FONT_CONF.topSpace = -rectBox.y - FONT_CONF.baseline;
|
FONT_CONF.bottomSpace = FONT_CONF.spaceHeight - FONT_CONF.topSpace - FONT_CONF.baseHeight;
|
// text偏移值
|
FONT_CONF.offset = FONT_CONF.baseline + FONT_CONF.topSpace;
|
// baseline比例
|
FONT_CONF.baselinePosition = (FONT_CONF.topSpace + FONT_CONF.baseline) / FONT_CONF.spaceHeight;
|
// meanline比例
|
FONT_CONF.meanlinePosition = (FONT_CONF.topSpace + FONT_CONF.meanline) / FONT_CONF.spaceHeight;
|
// 上下延伸性比例
|
FONT_CONF.ascenderPosition = FONT_CONF.topSpace / FONT_CONF.spaceHeight;
|
FONT_CONF.descenderPosition = (FONT_CONF.topSpace + FONT_CONF.baseHeight) / FONT_CONF.spaceHeight;
|
doc.body.removeChild(tmpNode);
|
}
|
function removeTmpNode() {
|
kity.Utils.each(NODE_LIST, function(node) {
|
node.parentNode.removeChild(node);
|
});
|
NODE_LIST = [];
|
}
|
}
|
};
|
|
/*!
|
* 字体管理器
|
*/
|
_p[25] = {
|
value: function(require) {
|
var FONT_LIST = {}, kity = _p.r(34), CONF = _p.r(47).font.list;
|
// init
|
(function() {
|
kity.Utils.each(CONF, function(fontData) {
|
FONT_LIST[fontData.meta.fontFamily] = fontData;
|
});
|
})();
|
return {
|
getFontList: function() {
|
return FONT_LIST;
|
},
|
getCharacterValue: function(key, fontFamily) {
|
if (!FONT_LIST[fontFamily]) {
|
return null;
|
}
|
return FONT_LIST[fontFamily].map[key] || null;
|
}
|
};
|
}
|
};
|
|
/*!
|
* 双线字体
|
*/
|
_p[26] = {
|
value: function() {
|
return {
|
meta: {
|
fontFamily: "KF AMS BB",
|
src: "KF_AMS_BB.woff"
|
}
|
};
|
}
|
};
|
|
/*!
|
* 手写体
|
*/
|
_p[27] = {
|
value: function() {
|
return {
|
meta: {
|
fontFamily: "KF AMS CAL",
|
src: "KF_AMS_CAL.woff"
|
}
|
};
|
}
|
};
|
|
/*!
|
* 花体
|
*/
|
_p[28] = {
|
value: function() {
|
return {
|
meta: {
|
fontFamily: "KF AMS FRAK",
|
src: "KF_AMS_FRAK.woff"
|
}
|
};
|
}
|
};
|
|
/*!
|
* 字体主文件
|
*/
|
_p[29] = {
|
value: function() {
|
return {
|
meta: {
|
fontFamily: "KF AMS MAIN",
|
src: "KF_AMS_MAIN.woff"
|
},
|
map: {
|
// char
|
Alpha: "Α",
|
Beta: "Β",
|
Gamma: "Γ",
|
Delta: "Δ",
|
Epsilon: "Ε",
|
Zeta: "Ζ",
|
Eta: "Η",
|
Theta: "Θ",
|
Iota: "Ι",
|
Kappa: "Κ",
|
Lambda: "Λ",
|
Mu: "Μ",
|
Nu: "Ν",
|
Xi: "Ξ",
|
Omicron: "Ο",
|
Pi: "Π",
|
Rho: "Ρ",
|
Sigma: "Σ",
|
Tau: "Τ",
|
Upsilon: "Υ",
|
Phi: "Φ",
|
Chi: "Χ",
|
Psi: "Ψ",
|
Omega: "Ω",
|
alpha: "α",
|
beta: "β",
|
gamma: "γ",
|
delta: "δ",
|
epsilon: "ε",
|
zeta: "ζ",
|
eta: "η",
|
theta: "θ",
|
iota: "ι",
|
kappa: "κ",
|
lambda: "λ",
|
mu: "μ",
|
nu: "ν",
|
xi: "ξ",
|
omicron: "ο",
|
pi: "π",
|
rho: "ρ",
|
sigma: "σ",
|
tau: "τ",
|
upsilon: "υ",
|
phi: "φ",
|
varkappa: "ϰ",
|
chi: "χ",
|
psi: "ψ",
|
omega: "ω",
|
digamma: "Ϝ",
|
varepsilon: "ϵ",
|
varrho: "ϱ",
|
varphi: "ϕ",
|
vartheta: "ϑ",
|
varpi: "ϖ",
|
varsigma: "Ϲ",
|
aleph: "ℵ",
|
beth: "ℶ",
|
daleth: "ℸ",
|
gimel: "ℷ",
|
eth: "ð",
|
hbar: "ℎ",
|
hslash: "ℏ",
|
mho: "℧",
|
partial: "∂",
|
wp: "℘",
|
Game: "⅁",
|
Bbbk: "⅌",
|
Finv: "Ⅎ",
|
Im: "ℑ",
|
Re: "ℜ",
|
complement: "∁",
|
ell: "ℓ",
|
circledS: "Ⓢ",
|
imath: "ı",
|
jmath: "ȷ",
|
// symbol
|
doublecap: "⋒",
|
Cap: "⋒",
|
doublecup: "⋓",
|
Cup: "⋓",
|
ast: "*",
|
divideontimes: "⋇",
|
rightthreetimes: "⋌",
|
leftthreetimes: "⋋",
|
cdot: "·",
|
odot: "⊙",
|
dotplus: "∔",
|
rtimes: "⋊",
|
ltimes: "⋉",
|
centerdot: "▪",
|
doublebarwedge: "⌭",
|
setminus: "⒁",
|
amalg: "∐",
|
circ: "◦",
|
bigcirc: "◯",
|
gtrdot: "⋗",
|
lessdot: "⋖",
|
smallsetminus: "⒅",
|
circledast: "⊛",
|
circledcirc: "⊚",
|
sqcap: "⊓",
|
sqcup: "⊔",
|
barwedge: "⊼",
|
circleddash: "⊝",
|
star: "⋆",
|
bigtriangledown: "▽",
|
bigtriangleup: "△",
|
cup: "∪",
|
cap: "∩",
|
times: "×",
|
mp: "∓",
|
pm: "±",
|
triangleleft: "⊲",
|
triangleright: "⊳",
|
boxdot: "⊡",
|
curlyvee: "⋏",
|
curlywedge: "⋎",
|
boxminus: "⊟",
|
boxtimes: "⊠",
|
ominus: "⊖",
|
oplus: "⊕",
|
oslash: "⊘",
|
otimes: "⊗",
|
uplus: "⊎",
|
boxplus: "⊞",
|
dagger: "†",
|
ddagger: "‡",
|
vee: "∨",
|
lor: "∨",
|
veebar: "⊻",
|
bullet: "•",
|
diamond: "⋄",
|
wedge: "∧",
|
land: "∧",
|
div: "÷",
|
wr: "≀",
|
geqq: "≧",
|
lll: "⋘",
|
llless: "⋘",
|
ggg: "⋙",
|
gggtr: "⋙",
|
preccurlyeq: "≼",
|
geqslant: "⩾",
|
lnapprox: "⪉",
|
preceq: "⪯",
|
gg: "≫",
|
lneq: "⪇",
|
precnapprox: "⪹",
|
approx: "≈",
|
lneqq: "≨",
|
precneqq: "⪵",
|
approxeq: "≊",
|
gnapprox: "⪊",
|
lnsim: "⋦",
|
precnsim: "⋨",
|
asymp: "≍",
|
gneq: "⪈",
|
lvertneqq: "⌮",
|
precsim: "≾",
|
backsim: "∽",
|
gneqq: "≩",
|
ncong: "≇",
|
risingdotseq: "≓",
|
backsimeq: "⋍",
|
gnsim: "⋧",
|
sim: "∼",
|
simeq: "≃",
|
bumpeq: "≏",
|
gtrapprox: "⪆",
|
ngeq: "≱",
|
Bumpeq: "≎",
|
gtreqless: "⋛",
|
ngeqq: "⌱",
|
succ: "≻",
|
circeq: "≗",
|
gtreqqless: "⪌",
|
ngeqslant: "⌳",
|
succapprox: "⪸",
|
cong: "≅",
|
gtrless: "≷",
|
ngtr: "≯",
|
succcurlyeq: "≽",
|
curlyeqprec: "⋞",
|
gtrsim: "≳",
|
nleq: "≰",
|
succeq: "⪰",
|
curlyeqsucc: "⋟",
|
gvertneqq: "⌯",
|
neq: "≠",
|
ne: "≠",
|
nequiv: "≢",
|
nleqq: "⌰",
|
succnapprox: "⪺",
|
doteq: "≐",
|
leq: "≤",
|
le: "≤",
|
nleqslant: "⌲",
|
succneqq: "⪶",
|
doteqdot: "≑",
|
Doteq: "≑",
|
leqq: "≦",
|
nless: "≮",
|
succnsim: "⋩",
|
leqslant: "⩽",
|
nprec: "⊀",
|
succsim: "≿",
|
eqsim: "≂",
|
lessapprox: "⪅",
|
npreceq: "⋠",
|
eqslantgtr: "⪖",
|
lesseqgtr: "⋚",
|
nsim: "≁",
|
eqslantless: "⪕",
|
lesseqqgtr: "⪋",
|
nsucc: "⊁",
|
triangleq: "≜",
|
eqcirc: "≖",
|
equiv: "≡",
|
lessgtr: "≶",
|
nsucceq: "⋡",
|
fallingdotseq: "≒",
|
lesssim: "≲",
|
prec: "≺",
|
geq: "≥",
|
ge: "≥",
|
ll: "≪",
|
precapprox: "⪷",
|
// arrows
|
uparrow: "↑",
|
downarrow: "↓",
|
updownarrow: "↕",
|
Uparrow: "⇑",
|
Downarrow: "⇓",
|
Updownarrow: "⇕",
|
circlearrowleft: "↺",
|
circlearrowright: "↻",
|
curvearrowleft: "↶",
|
curvearrowright: "↷",
|
downdownarrows: "⇊",
|
downharpoonleft: "⇃",
|
downharpoonright: "⇂",
|
leftarrow: "←",
|
gets: "←",
|
Leftarrow: "⇐",
|
leftarrowtail: "↢",
|
leftharpoondown: "↽",
|
leftharpoonup: "↼",
|
leftleftarrows: "⇇",
|
leftrightarrow: "↔",
|
Leftrightarrow: "⇔",
|
leftrightarrows: "⇄",
|
leftrightharpoons: "⇋",
|
leftrightsquigarrow: "↭",
|
Lleftarrow: "⇚",
|
looparrowleft: "↫",
|
looparrowright: "↬",
|
multimap: "⊸",
|
nLeftarrow: "⇍",
|
nRightarrow: "⇏",
|
nLeftrightarrow: "⇎",
|
nearrow: "↗",
|
nleftarrow: "↚",
|
nleftrightarrow: "↮",
|
nrightarrow: "↛",
|
nwarrow: "↖",
|
rightarrow: "→",
|
to: "→",
|
Rightarrow: "⇒",
|
rightarrowtail: "↣",
|
rightharpoondown: "⇁",
|
rightharpoonup: "⇀",
|
rightleftarrows: "⇆",
|
rightleftharpoons: "⇌",
|
rightrightarrows: "⇉",
|
rightsquigarrow: "⇝",
|
Rrightarrow: "⇛",
|
searrow: "↘",
|
swarrow: "↙",
|
twoheadleftarrow: "↞",
|
twoheadrightarrow: "↠",
|
upharpoonleft: "↿",
|
upharpoonright: "↾",
|
restriction: "↾",
|
upuparrows: "⇈",
|
Lsh: "↰",
|
Rsh: "↱",
|
longleftarrow: "⟵",
|
longrightarrow: "⟶",
|
Longleftarrow: "⟸",
|
Longrightarrow: "⟹",
|
implies: "⟹",
|
longleftrightarrow: "⟷",
|
Longleftrightarrow: "⟺",
|
// relation
|
backepsilon: "∍",
|
because: "∵",
|
therefore: "∴",
|
between: "≬",
|
blacktriangleleft: "◀",
|
blacktriangleright: "▸",
|
dashv: "⊣",
|
bowtie: "⋈",
|
frown: "⌢",
|
"in": "∈",
|
notin: "∉",
|
mid: "∣",
|
parallel: "∥",
|
models: "⊨",
|
ni: "∋",
|
owns: "∋",
|
nmid: "∤",
|
nparallel: "∦",
|
nshortmid: "⏒",
|
nshortparallel: "⏓",
|
nsubseteq: "⊈",
|
nsubseteqq: "⫇",
|
nsupseteq: "⊉",
|
nsupseteqq: "⫈",
|
ntriangleleft: "⋪",
|
ntrianglelefteq: "⋬",
|
ntriangleright: "⋫",
|
ntrianglerighteq: "⋭",
|
nvdash: "⊬",
|
nVdash: "⊮",
|
nvDash: "⊭",
|
nVDash: "⊯",
|
perp: "⊥",
|
pitchfork: "⋔",
|
propto: "∝",
|
shortmid: "⏐",
|
shortparallel: "⏑",
|
smile: "⌣",
|
sqsubset: "⊏",
|
sqsubseteq: "⊑",
|
sqsupset: "⊐",
|
sqsupseteq: "⊒",
|
subset: "⊂",
|
Subset: "⋐",
|
subseteq: "⊆",
|
subseteqq: "⫅",
|
subsetneq: "⊊",
|
subsetneqq: "⫋",
|
supset: "⊃",
|
Supset: "⋑",
|
supseteq: "⊇",
|
supseteqq: "⫆",
|
supsetneq: "⊋",
|
supsetneqq: "⫌",
|
trianglelefteq: "⊴",
|
trianglerighteq: "⊵",
|
varpropto: "⫉",
|
varsubsetneq: "⏔",
|
varsubsetneqq: "⏖",
|
varsupsetneq: "⏕",
|
varsupsetneqq: "⏗",
|
vdash: "⊢",
|
Vdash: "⊩",
|
vDash: "⊨",
|
Vvdash: "⊪",
|
vert: "|",
|
Vert: "ǁ",
|
"|": "ǁ",
|
"{": "{",
|
"}": "}",
|
backslash: "\\",
|
langle: "〈",
|
rangle: "〉",
|
lceil: "⌈",
|
rceil: "⌉",
|
lbrace: "{",
|
rbrace: "}",
|
lfloor: "⌊",
|
rfloor: "⌋",
|
cdots: "⋯",
|
ddots: "⋰",
|
vdots: "⋮",
|
dots: "…",
|
ldots: "…",
|
"#": "#",
|
bot: "⊥",
|
angle: "∠",
|
backprime: "‵",
|
bigstar: "★",
|
blacklozenge: "◆",
|
blacksquare: "■",
|
blacktriangle: "▲",
|
blacktriangledown: "▼",
|
clubsuit: "♣",
|
diagdown: "⒁",
|
diagup: "⒂",
|
diamondsuit: "♢",
|
emptyset: "ø",
|
exists: "∃",
|
flat: "♭",
|
forall: "∀",
|
heartsuit: "♡",
|
infty: "∞",
|
lozenge: "◇",
|
measuredangle: "∡",
|
nabla: "∇",
|
natural: "♮",
|
neg: "¬",
|
lnot: "¬",
|
nexists: "∄",
|
prime: "′",
|
sharp: "♯",
|
spadesuit: "♠",
|
sphericalangle: "∢",
|
surd: "√",
|
top: "⊤",
|
varnothing: "∅",
|
triangle: "△",
|
triangledown: "▽"
|
}
|
};
|
}
|
};
|
|
/*!
|
* 罗马字体
|
*/
|
_p[30] = {
|
value: function() {
|
return {
|
meta: {
|
fontFamily: "KF AMS ROMAN",
|
src: "KF_AMS_ROMAN.woff"
|
}
|
};
|
}
|
};
|
|
/**
|
* 公式对象，表达式容器
|
*/
|
_p[31] = {
|
value: function(require) {
|
var kity = _p.r(34), GTYPE = _p.r(6), FontManager = _p.r(25), FontInstaller = _p.r(24), DEFAULT_OPTIONS = {
|
fontsize: 50,
|
autoresize: true,
|
padding: [ 0 ]
|
}, Output = _p.r(1), EXPRESSION_INTERVAL = 10, ExpressionWrap = kity.createClass("ExpressionWrap", {
|
constructor: function(exp, config) {
|
this.wrap = new kity.Group();
|
this.bg = new kity.Rect(0, 0, 0, 0).fill("transparent");
|
this.exp = exp;
|
this.config = config;
|
this.wrap.setAttr("data-type", "kf-exp-wrap");
|
this.bg.setAttr("data-type", "kf-exp-wrap-bg");
|
this.wrap.addShape(this.bg);
|
this.wrap.addShape(this.exp);
|
},
|
getWrapShape: function() {
|
return this.wrap;
|
},
|
getExpression: function() {
|
return this.exp;
|
},
|
getBackground: function() {
|
return this.bg;
|
},
|
resize: function() {
|
var padding = this.config.padding, expBox = this.exp.getFixRenderBox();
|
if (padding.length === 1) {
|
padding[1] = padding[0];
|
}
|
this.bg.setSize(padding[1] * 2 + expBox.width, padding[0] * 2 + expBox.height);
|
this.exp.translate(padding[1], padding[0]);
|
}
|
}), Formula = kity.createClass("Formula", {
|
base: _p.r(32),
|
constructor: function(container, config) {
|
this.callBase(container);
|
this.expressions = [];
|
this.fontInstaller = new FontInstaller(this);
|
this.config = kity.Utils.extend({}, DEFAULT_OPTIONS, config);
|
this.initEnvironment();
|
this.initInnerFont();
|
},
|
getContentContainer: function() {
|
return this.container;
|
},
|
initEnvironment: function() {
|
this.zoom = this.config.fontsize / 50;
|
if ("width" in this.config) {
|
this.setWidth(this.config.width);
|
}
|
if ("height" in this.config) {
|
this.setHeight(this.config.height);
|
}
|
this.node.setAttribute("font-size", DEFAULT_OPTIONS.fontsize);
|
},
|
initInnerFont: function() {
|
var fontList = FontManager.getFontList(), _self = this;
|
kity.Utils.each(fontList, function(fontInfo) {
|
createFontStyle(fontInfo);
|
});
|
function createFontStyle(fontInfo) {
|
var stylesheet = _self.doc.createElement("style"), tpl = '@font-face{font-family: "${fontFamily}";font-style: normal;src: url("${src}") format("woff");}';
|
stylesheet.setAttribute("type", "text/css");
|
stylesheet.innerHTML = tpl.replace("${fontFamily}", fontInfo.meta.fontFamily).replace("${src}", fontInfo.meta.src);
|
_self.resourceNode.appendChild(stylesheet);
|
}
|
},
|
insertExpression: function(expression, index) {
|
var expWrap = this.wrap(expression);
|
// clear zoom
|
this.container.clearTransform();
|
this.expressions.splice(index, 0, expWrap.getWrapShape());
|
this.addShape(expWrap.getWrapShape());
|
notifyExpression.call(this, expWrap.getExpression());
|
expWrap.resize();
|
correctOffset.call(this);
|
this.resetZoom();
|
this.config.autoresize && this.resize();
|
},
|
appendExpression: function(expression) {
|
this.insertExpression(expression, this.expressions.length);
|
},
|
resize: function() {
|
var renderBox = this.container.getRenderBox("paper");
|
this.node.setAttribute("width", renderBox.width);
|
this.node.setAttribute("height", renderBox.height);
|
},
|
resetZoom: function() {
|
var zoomLevel = this.zoom / this.getBaseZoom();
|
if (zoomLevel !== 0) {
|
this.container.scale(zoomLevel);
|
}
|
},
|
wrap: function(exp) {
|
return new ExpressionWrap(exp, this.config);
|
},
|
clear: function() {
|
this.callBase();
|
this.expressions = [];
|
},
|
clearExpressions: function() {
|
kity.Utils.each(this.expressions, function(exp) {
|
exp.remove();
|
});
|
this.expressions = [];
|
},
|
toJPG: function(cb) {
|
new Output(this).toJPG(cb);
|
},
|
toPNG: function(cb) {
|
new Output(this).toPNG(cb);
|
}
|
});
|
kity.Utils.extend(Formula, {
|
registerFont: function(fontData) {
|
FontManager.registerFont(fontData);
|
}
|
});
|
// 调整表达式之间的偏移
|
function correctOffset() {
|
var exprOffset = 0;
|
kity.Utils.each(this.expressions, function(expr) {
|
var box = null;
|
if (!expr) {
|
return;
|
}
|
expr.setMatrix(new kity.Matrix(1, 0, 0, 1, 0, 0));
|
box = expr.getFixRenderBox();
|
expr.translate(0 - box.x, exprOffset);
|
exprOffset += box.height + EXPRESSION_INTERVAL;
|
});
|
return this;
|
}
|
// 通知表达式已接入到paper
|
function notifyExpression(expression) {
|
var len = 0;
|
if (!expression) {
|
return;
|
}
|
if (expression.getType() === GTYPE.EXP) {
|
for (var i = 0, len = expression.getChildren().length; i < len; i++) {
|
notifyExpression(expression.getChild(i));
|
}
|
} else if (expression.getType() === GTYPE.COMPOUND_EXP) {
|
// 操作数处理
|
for (var i = 0, len = expression.getOperands().length; i < len; i++) {
|
notifyExpression(expression.getOperand(i));
|
}
|
// 处理操作符
|
notifyExpression(expression.getOperator());
|
}
|
expression.addedCall && expression.addedCall();
|
}
|
return Formula;
|
}
|
};
|
|
/**
|
* 公式专用paper
|
*/
|
_p[32] = {
|
value: function(require) {
|
var kity = _p.r(34);
|
return kity.createClass("FPaper", {
|
base: kity.Paper,
|
constructor: function(container) {
|
this.callBase(container);
|
this.doc = container.ownerDocument;
|
this.container = new kity.Group();
|
this.container.setAttr("data-type", "kf-container");
|
this.background = new kity.Group();
|
this.background.setAttr("data-type", "kf-bg");
|
this.baseZoom = 1;
|
this.zoom = 1;
|
this.base("addShape", this.background);
|
this.base("addShape", this.container);
|
},
|
getZoom: function() {
|
return this.zoom;
|
},
|
getBaseZoom: function() {
|
return this.baseZoom;
|
},
|
addShape: function(shape, pos) {
|
return this.container.addShape(shape, pos);
|
},
|
getBackground: function() {
|
return this.background;
|
},
|
removeShape: function(pos) {
|
return this.container.removeShape(pos);
|
},
|
clear: function() {
|
return this.container.clear();
|
}
|
});
|
}
|
};
|
|
/**
|
* jquery
|
*/
|
_p[33] = {
|
value: function() {
|
if (!window.jQuery) {
|
throw new Error("Missing jQuery");
|
}
|
return window.jQuery;
|
}
|
};
|
|
/**
|
* kity库封包
|
*/
|
_p[34] = {
|
value: function() {
|
if (!window.kity) {
|
throw new Error("Missing Kity Graphic Lib");
|
}
|
return window.kity;
|
}
|
};
|
|
/**
|
* 小括号操作符：()
|
*/
|
_p[35] = {
|
value: function(require) {
|
var kity = _p.r(34), Text = _p.r(5);
|
return kity.createClass("BracketsOperator", {
|
base: _p.r(41),
|
constructor: function() {
|
this.callBase("Brackets");
|
},
|
applyOperand: function(exp) {
|
generate.call(this, exp);
|
}
|
});
|
function generate(exp) {
|
var left = this.getParentExpression().getLeftSymbol(), right = this.getParentExpression().getRightSymbol(), fontSize = exp.getFixRenderBox().height, group = new kity.Group(), offset = 0, leftOp = new Text(left, "KF AMS MAIN").fill("black"), rightOp = new Text(right, "KF AMS MAIN").fill("black");
|
leftOp.setFontSize(fontSize);
|
rightOp.setFontSize(fontSize);
|
this.addOperatorShape(group.addShape(leftOp).addShape(rightOp));
|
offset += leftOp.getFixRenderBox().width;
|
exp.translate(offset, 0);
|
offset += exp.getFixRenderBox().width;
|
rightOp.translate(offset, 0);
|
}
|
}
|
};
|
|
/**
|
* 组合操作符
|
* 操作多个表达式组合在一起
|
*/
|
_p[36] = {
|
value: function(require) {
|
var kity = _p.r(34);
|
return kity.createClass("CombinationOperator", {
|
base: _p.r(41),
|
constructor: function() {
|
this.callBase("Combination");
|
},
|
applyOperand: function() {
|
// 偏移量
|
var offsetX = 0, // 操作数
|
operands = arguments, // 操作对象最大高度
|
maxHeight = 0, // 垂直距离最大偏移
|
maxOffsetTop = 0, maxOffsetBottom = 0, cached = [], // 偏移集合
|
offsets = [];
|
kity.Utils.each(operands, function(operand) {
|
var box = operand.getFixRenderBox(), offsetY = operand.getOffset();
|
box.height -= offsetY.top + offsetY.bottom;
|
cached.push(box);
|
offsets.push(offsetY);
|
maxOffsetTop = Math.max(offsetY.top, maxOffsetTop);
|
maxOffsetBottom = Math.max(offsetY.bottom, maxOffsetBottom);
|
maxHeight = Math.max(box.height, maxHeight);
|
});
|
kity.Utils.each(operands, function(operand, index) {
|
var box = cached[index];
|
operand.translate(offsetX - box.x, (maxHeight - (box.y + box.height)) / 2 + maxOffsetBottom - offsets[index].bottom);
|
offsetX += box.width;
|
});
|
this.parentExpression.setOffset(maxOffsetTop, maxOffsetBottom);
|
this.parentExpression.updateBoxSize();
|
}
|
});
|
}
|
};
|
|
/*!
|
* 上下标控制器
|
*/
|
_p[37] = {
|
value: function(require) {
|
var kity = _p.r(34), EmptyExpression = _p.r(20), defaultOptions = {
|
subOffset: 0,
|
supOffset: 0,
|
// 上下标的默认缩放值
|
zoom: .66
|
};
|
return kity.createClass("ScriptController", {
|
constructor: function(opObj, target, sup, sub, options) {
|
this.observer = opObj.getParentExpression();
|
this.target = target;
|
this.sup = sup;
|
this.sub = sub;
|
this.options = kity.Utils.extend({}, defaultOptions, options);
|
},
|
// 上下标记
|
applyUpDown: function() {
|
var target = this.target, sup = this.sup, sub = this.sub, options = this.options;
|
sup.scale(options.zoom);
|
sub.scale(options.zoom);
|
var targetBox = target.getFixRenderBox();
|
if (EmptyExpression.isEmpty(sup) && EmptyExpression.isEmpty(sub)) {
|
return {
|
width: targetBox.width,
|
height: targetBox.height,
|
top: 0,
|
bottom: 0
|
};
|
} else {
|
// 上标
|
if (!EmptyExpression.isEmpty(sup) && EmptyExpression.isEmpty(sub)) {
|
return this.applyUp(target, sup);
|
} else if (EmptyExpression.isEmpty(sup) && !EmptyExpression.isEmpty(sub)) {
|
return this.applyDown(target, sub);
|
} else {
|
return this.applyUpDownScript(target, sup, sub);
|
}
|
}
|
},
|
/**
|
* 返回应用上下标后的空间占用情况，其中的key各自的意义是：
|
* top: 上空间偏移
|
* bottom: 下空间偏移
|
* width: 当前整个图形的实际占用空间的width
|
* height: 当前整个图形的实际占用空间的height
|
* @returns {*}
|
*/
|
applySide: function() {
|
var target = this.target, sup = this.sup, sub = this.sub;
|
if (EmptyExpression.isEmpty(sup) && EmptyExpression.isEmpty(sub)) {
|
var targetRectBox = target.getRenderBox(this.observer);
|
return {
|
width: targetRectBox.width,
|
height: targetRectBox.height,
|
top: 0,
|
bottom: 0
|
};
|
} else {
|
// 下标处理
|
if (EmptyExpression.isEmpty(sup) && !EmptyExpression.isEmpty(sub)) {
|
return this.applySideSub(target, sub);
|
} else if (!EmptyExpression.isEmpty(sup) && EmptyExpression.isEmpty(sub)) {
|
return this.applySideSuper(target, sup);
|
} else {
|
return this.applySideScript(target, sup, sub);
|
}
|
}
|
},
|
applySideSuper: function(target, sup) {
|
sup.scale(this.options.zoom);
|
var targetRectBox = target.getRenderBox(this.observer), supRectBox = sup.getRenderBox(this.observer), targetMeanline = target.getMeanline(this.observer), supBaseline = sup.getBaseline(this.observer), positionline = targetMeanline, diff = supBaseline - positionline, space = {
|
top: 0,
|
bottom: 0,
|
width: targetRectBox.width + supRectBox.width,
|
height: targetRectBox.height
|
};
|
sup.translate(targetRectBox.width, 0);
|
if (this.options.supOffset) {
|
sup.translate(this.options.supOffset, 0);
|
}
|
if (diff > 0) {
|
target.translate(0, diff);
|
space.bottom = diff;
|
space.height += diff;
|
} else {
|
sup.translate(0, -diff);
|
}
|
return space;
|
},
|
applySideSub: function(target, sub) {
|
sub.scale(this.options.zoom);
|
var targetRectBox = target.getRenderBox(this.observer), subRectBox = sub.getRenderBox(this.observer), subOffset = sub.getOffset(), targetBaseline = target.getBaseline(this.observer), // 下标定位线
|
subPosition = (subRectBox.height + subOffset.top + subOffset.bottom) / 2, diff = targetRectBox.height - targetBaseline - subPosition, space = {
|
top: 0,
|
bottom: 0,
|
width: targetRectBox.width + subRectBox.width,
|
height: targetRectBox.height
|
};
|
// 定位下标位置
|
sub.translate(targetRectBox.width, subOffset.top + targetBaseline - subPosition);
|
if (this.options.subOffset) {
|
sub.translate(this.options.subOffset, 0);
|
}
|
if (diff < 0) {
|
space.top = -diff;
|
space.height -= diff;
|
}
|
return space;
|
},
|
applySideScript: function(target, sup, sub) {
|
sup.scale(this.options.zoom);
|
sub.scale(this.options.zoom);
|
var targetRectBox = target.getRenderBox(this.observer), subRectBox = sub.getRenderBox(this.observer), supRectBox = sup.getRenderBox(this.observer), targetMeanline = target.getMeanline(this.observer), targetBaseline = target.getBaseline(this.observer), supBaseline = sup.getBaseline(this.observer), // 上下标都存在时， 下标的定位以上伸线为准
|
subAscenderline = sub.getAscenderline(this.observer), supPosition = targetMeanline, subPosition = targetMeanline + (targetBaseline - targetMeanline) * 2 / 3, topDiff = supPosition - supBaseline, bottomDiff = targetRectBox.height - subPosition - (subRectBox.height - subAscenderline), space = {
|
top: 0,
|
bottom: 0,
|
width: targetRectBox.width + Math.max(subRectBox.width, supRectBox.width),
|
height: targetRectBox.height
|
};
|
sup.translate(targetRectBox.width, topDiff);
|
sub.translate(targetRectBox.width, subPosition - subAscenderline);
|
if (this.options.supOffset) {
|
sup.translate(this.options.supOffset, 0);
|
}
|
if (this.options.subOffset) {
|
sub.translate(this.options.subOffset, 0);
|
}
|
// 定位纠正
|
if (topDiff > 0) {
|
if (bottomDiff < 0) {
|
targetRectBox.height -= bottomDiff;
|
space.top = -bottomDiff;
|
}
|
} else {
|
target.translate(0, -topDiff);
|
sup.translate(0, -topDiff);
|
sub.translate(0, -topDiff);
|
space.height -= topDiff;
|
if (bottomDiff > 0) {
|
space.bottom = -topDiff;
|
} else {
|
space.height -= bottomDiff;
|
// 比较上下偏移， 获取正确的偏移值
|
topDiff = -topDiff;
|
bottomDiff = -bottomDiff;
|
if (topDiff > bottomDiff) {
|
space.bottom = topDiff - bottomDiff;
|
} else {
|
space.top = bottomDiff - topDiff;
|
}
|
}
|
}
|
return space;
|
},
|
applyUp: function(target, sup) {
|
var supBox = sup.getFixRenderBox(), targetBox = target.getFixRenderBox(), space = {
|
width: Math.max(targetBox.width, supBox.width),
|
height: supBox.height + targetBox.height,
|
top: 0,
|
bottom: supBox.height
|
};
|
sup.translate((space.width - supBox.width) / 2, 0);
|
target.translate((space.width - targetBox.width) / 2, supBox.height);
|
return space;
|
},
|
applyDown: function(target, sub) {
|
var subBox = sub.getFixRenderBox(), targetBox = target.getFixRenderBox(), space = {
|
width: Math.max(targetBox.width, subBox.width),
|
height: subBox.height + targetBox.height,
|
top: subBox.height,
|
bottom: 0
|
};
|
sub.translate((space.width - subBox.width) / 2, targetBox.height);
|
target.translate((space.width - targetBox.width) / 2, 0);
|
return space;
|
},
|
applyUpDownScript: function(target, sup, sub) {
|
var supBox = sup.getFixRenderBox(), subBox = sub.getFixRenderBox(), targetBox = target.getFixRenderBox(), space = {
|
width: Math.max(targetBox.width, supBox.width, subBox.width),
|
height: supBox.height + subBox.height + targetBox.height,
|
top: 0,
|
bottom: 0
|
};
|
sup.translate((space.width - supBox.width) / 2, 0);
|
target.translate((space.width - targetBox.width) / 2, supBox.height);
|
sub.translate((space.width - subBox.width) / 2, supBox.height + targetBox.height);
|
return space;
|
}
|
});
|
}
|
};
|
|
/**
|
* 分数操作符
|
*/
|
_p[38] = {
|
value: function(require) {
|
var kity = _p.r(34), ZOOM = _p.r(47).zoom;
|
return kity.createClass("FractionOperator", {
|
base: _p.r(41),
|
constructor: function() {
|
this.callBase("Fraction");
|
},
|
applyOperand: function(upOperand, downOperand) {
|
upOperand.scale(ZOOM);
|
downOperand.scale(ZOOM);
|
var upWidth = Math.ceil(upOperand.getWidth()), downWidth = Math.ceil(downOperand.getWidth()), upHeight = Math.ceil(upOperand.getHeight()), downHeight = Math.ceil(downOperand.getHeight()), // 分数线overflow值
|
overflow = 3, // 整体padding
|
padding = 1, maxWidth = Math.max(upWidth, downWidth), maxHeight = Math.max(upHeight, downHeight), operatorShape = generateOperator(maxWidth, overflow);
|
this.addOperatorShape(operatorShape);
|
upOperand.translate((maxWidth - upWidth) / 2 + overflow, 0);
|
operatorShape.translate(0, upHeight + 1);
|
// 下部不需要偏移
|
downOperand.translate((maxWidth - downWidth) / 2 + overflow, upHeight + operatorShape.getHeight() + 1 * 2);
|
this.parentExpression.setOffset(maxHeight - upHeight, maxHeight - downHeight);
|
this.parentExpression.expand(padding * 2, padding * 2);
|
this.parentExpression.translateElement(padding, padding);
|
}
|
});
|
function generateOperator(width, overflow) {
|
return new kity.Rect(width + overflow * 2, 1).fill("black");
|
}
|
}
|
};
|
|
/**
|
* 函数操作符
|
*/
|
_p[39] = {
|
value: function(require) {
|
var kity = _p.r(34), Text = _p.r(5), ScriptController = _p.r(37);
|
return kity.createClass("FunctionOperator", {
|
base: _p.r(41),
|
constructor: function(funcName) {
|
this.callBase("Function: " + funcName);
|
this.funcName = funcName;
|
},
|
/*
|
* 积分操作符应用操作数
|
* @param expr 函数表达式
|
* @param sup 上限
|
* @param sub 下限
|
*/
|
applyOperand: function(expr, sup, sub) {
|
var opShape = generateOperator.call(this), expBox = expr.getFixRenderBox(), scriptHanlder = this.parentExpression.isSideScript() ? "applySide" : "applyUpDown", space = new ScriptController(this, opShape, sup, sub, {
|
zoom: .5
|
})[scriptHanlder](), padding = 5, diff = (space.height + space.top + space.bottom - expBox.height) / 2;
|
// 应用偏移， 使图形在正确的位置上
|
opShape.translate(0, space.top);
|
sup.translate(0, space.top);
|
sub.translate(0, space.top);
|
if (diff >= 0) {
|
expr.translate(space.width + padding, diff);
|
} else {
|
diff = -diff;
|
opShape.translate(0, diff);
|
sup.translate(0, diff);
|
sub.translate(0, diff);
|
expr.translate(space.width + padding, 0);
|
}
|
// 只扩展左边， 不扩展右边， 所以padding不 *2
|
this.parentExpression.expand(padding, padding * 2);
|
this.parentExpression.translateElement(padding, padding);
|
}
|
});
|
/* 返回操作符对象 */
|
function generateOperator() {
|
var opShape = new Text(this.funcName, "KF AMS ROMAN");
|
this.addOperatorShape(opShape);
|
// 为操作符图形创建baseline和meanline方法
|
opShape.getBaseline = function() {
|
return opShape.getFixRenderBox().height;
|
};
|
opShape.getMeanline = function() {
|
return 0;
|
};
|
return opShape;
|
}
|
}
|
};
|
|
/**
|
* 积分操作符：∫
|
*/
|
_p[40] = {
|
value: function(require) {
|
var kity = _p.r(34), ScriptController = _p.r(37);
|
return kity.createClass("IntegrationOperator", {
|
base: _p.r(41),
|
constructor: function(type) {
|
this.callBase("Integration");
|
// 默认是普通单重积分
|
this.opType = type || 1;
|
},
|
setType: function(type) {
|
this.opType = type | 0;
|
},
|
// 重置类型
|
resetType: function() {
|
this.opType = 1;
|
},
|
applyOperand: function(exp, sup, sub) {
|
var opShape = this.getOperatorShape(), padding = 3, expBox = exp.getFixRenderBox(), space = new ScriptController(this, opShape, sup, sub, {
|
supOffset: 3,
|
subOffset: -15
|
}).applySide(), diff = (space.height + space.top - expBox.height) / 2;
|
opShape.translate(0, space.top);
|
sup.translate(0, space.top);
|
sub.translate(0, space.top);
|
if (diff >= 0) {
|
exp.translate(space.width + padding, diff);
|
} else {
|
diff = -diff;
|
opShape.translate(0, diff);
|
sup.translate(0, diff);
|
sub.translate(0, diff);
|
exp.translate(space.width + padding, 0);
|
}
|
this.parentExpression.expand(padding, padding * 2);
|
this.parentExpression.translateElement(padding, padding);
|
},
|
getOperatorShape: function() {
|
var pathData = "M1.318,48.226c0,0,0.044,0.066,0.134,0.134c0.292,0.313,0.626,0.447,1.006,0.447c0.246,0.022,0.358-0.044,0.604-0.268 c0.782-0.782,1.497-2.838,2.324-6.727c0.514-2.369,0.938-4.693,1.586-8.448C8.559,24.068,9.9,17.878,11.978,9.52 c0.917-3.553,1.922-7.576,3.866-8.983C16.247,0.246,16.739,0,17.274,0c1.564,0,2.503,1.162,2.592,2.57 c0,0.827-0.424,1.386-1.273,1.386c-0.671,0-1.229-0.514-1.229-1.251c0-0.805,0.514-1.095,1.185-1.274 c0.022,0-0.291-0.29-0.425-0.379c-0.201-0.134-0.514-0.224-0.737-0.224c-0.067,0-0.112,0-0.157,0.022 c-0.469,0.134-0.983,0.939-1.453,2.234c-0.537,1.475-0.961,3.174-1.631,6.548c-0.424,2.101-0.693,3.464-1.229,6.727 c-1.608,9.185-2.949,15.487-5.006,23.756c-0.514,2.034-0.849,3.24-1.207,4.335c-0.559,1.698-1.162,2.95-1.811,3.799 c-0.514,0.715-1.385,1.408-2.436,1.408c-1.363,0-2.391-1.185-2.458-2.592c0-0.804,0.447-1.363,1.273-1.363 c0.671,0,1.229,0.514,1.229,1.251C2.503,47.757,1.989,48.047,1.318,48.226z", group = new kity.Group(), opGroup = new kity.Group(), opShape = new kity.Path(pathData).fill("black"), opBox = new kity.Rect(0, 0, 0, 0).fill("transparent"), tmpShape = null;
|
opGroup.addShape(opShape);
|
group.addShape(opBox);
|
group.addShape(opGroup);
|
this.addOperatorShape(group);
|
for (var i = 1; i < this.opType; i++) {
|
tmpShape = new kity.Use(opShape).translate(opShape.getWidth() / 2 * i, 0);
|
opGroup.addShape(tmpShape);
|
}
|
opGroup.scale(1.6);
|
tmpShape = null;
|
// 为操作符图形创建baseline和meanline方法
|
group.getBaseline = function() {
|
return opGroup.getFixRenderBox().height;
|
};
|
group.getMeanline = function() {
|
return 10;
|
};
|
return group;
|
}
|
});
|
}
|
};
|
|
/**
|
* 操作符抽象类
|
* @abstract
|
*/
|
_p[41] = {
|
value: function(require) {
|
var kity = _p.r(34), GTYPE = _p.r(6);
|
return kity.createClass("Operator", {
|
base: _p.r(46),
|
constructor: function(operatorName) {
|
this.callBase();
|
this.type = GTYPE.OP;
|
// 该操作符所属的表达式
|
this.parentExpression = null;
|
// 操作符名称
|
this.operatorName = operatorName;
|
// 操作符图形
|
this.operatorShape = new kity.Group();
|
this.addShape(this.operatorShape);
|
},
|
applyOperand: function() {
|
throw new Error("applyOperand is abstract");
|
},
|
setParentExpression: function(exp) {
|
this.parentExpression = exp;
|
},
|
getParentExpression: function() {
|
return this.parentExpression;
|
},
|
clearParentExpression: function() {
|
this.parentExpression = null;
|
},
|
// 提供给具体实现类附加其绘制的操作符图形的接口
|
addOperatorShape: function(shpae) {
|
return this.operatorShape.addShape(shpae);
|
},
|
getOperatorShape: function() {
|
return this.operatorShape;
|
}
|
});
|
}
|
};
|
|
/**
|
* 开方操作符
|
*/
|
_p[42] = {
|
value: function(require) {
|
var kity = _p.r(34), // 符号图形属性
|
// 线条宽度
|
SHAPE_DATA_WIDTH = 1, // 计算公式
|
radians = 2 * Math.PI / 360, sin15 = Math.sin(15 * radians), cos15 = Math.cos(15 * radians), tan15 = Math.tan(15 * radians);
|
return kity.createClass("RadicalOperator", {
|
base: _p.r(41),
|
constructor: function() {
|
this.callBase("Radical");
|
},
|
applyOperand: function(radicand, exponent) {
|
generateOperator.call(this, radicand, exponent);
|
}
|
});
|
// 根据给定的操作数生成操作符的pathData
|
// radicand 表示被开方数
|
// exponent 表示指数
|
function generateOperator(radicand, exponent) {
|
var decoration = generateDecoration(radicand), vLine = generateVLine(radicand), padding = 5, hLine = generateHLine(radicand);
|
this.addOperatorShape(decoration);
|
this.addOperatorShape(vLine);
|
this.addOperatorShape(hLine);
|
adjustmentPosition.call(this, mergeShape(decoration, vLine, hLine), this.operatorShape, radicand, exponent);
|
this.parentExpression.expand(0, padding * 2);
|
this.parentExpression.translateElement(0, padding);
|
}
|
// 生成根号中的左边装饰部分
|
function generateDecoration(radicand) {
|
var shape = new kity.Path(), // 命名为a以便于精简表达式
|
a = SHAPE_DATA_WIDTH, h = radicand.getHeight() / 3, drawer = shape.getDrawer();
|
// 根号尾部左上角开始
|
drawer.moveTo(0, cos15 * a * 6);
|
drawer.lineBy(sin15 * a, cos15 * a);
|
drawer.lineBy(cos15 * a * 3, -sin15 * a * 3);
|
drawer.lineBy(tan15 * h, h);
|
drawer.lineBy(sin15 * a * 3, -cos15 * a * 3);
|
drawer.lineBy(-sin15 * h, -h);
|
drawer.close();
|
return shape.fill("black");
|
}
|
// 根据操作数生成根号的竖直线部分
|
function generateVLine(operand) {
|
var shape = new kity.Path(), // * 0.9 是为了在视觉上使斜线部分不至于太高
|
h = operand.getHeight() * .9, drawer = shape.getDrawer();
|
drawer.moveTo(tan15 * h, 0);
|
drawer.lineTo(0, h);
|
drawer.lineBy(sin15 * SHAPE_DATA_WIDTH * 3, cos15 * SHAPE_DATA_WIDTH * 3);
|
drawer.lineBy(tan15 * h + sin15 * SHAPE_DATA_WIDTH * 3, -(h + 3 * SHAPE_DATA_WIDTH * cos15));
|
drawer.close();
|
return shape.fill("black");
|
}
|
// 根据操作数生成根号的水平线部分
|
function generateHLine(operand) {
|
// 表达式宽度
|
var w = operand.getWidth() + 2 * SHAPE_DATA_WIDTH;
|
return new kity.Rect(w, 2 * SHAPE_DATA_WIDTH).fill("black");
|
}
|
// 合并根号的各个部分， 并返回根号的关键点位置数据
|
function mergeShape(decoration, vLine, hLine) {
|
var decoBox = decoration.getFixRenderBox(), vLineBox = vLine.getFixRenderBox();
|
vLine.translate(decoBox.width - sin15 * SHAPE_DATA_WIDTH * 3, 0);
|
decoration.translate(0, vLineBox.height - decoBox.height);
|
vLineBox = vLine.getFixRenderBox();
|
hLine.translate(vLineBox.x + vLineBox.width - SHAPE_DATA_WIDTH / cos15, 0);
|
// 返回关键点数据
|
return {
|
x: vLineBox.x + vLineBox.width - SHAPE_DATA_WIDTH / cos15,
|
y: 0
|
};
|
}
|
// 调整整个根号表达式的各个部分： 位置、操作符、被开方数、指数
|
function adjustmentPosition(position, operator, radicand, exponent) {
|
var exponentBox = null, opOffset = {
|
x: 0,
|
y: 0
|
}, opBox = operator.getFixRenderBox();
|
exponent.scale(.66);
|
exponentBox = exponent.getFixRenderBox();
|
if (exponentBox.width > 0 && exponentBox.height > 0) {
|
opOffset.y = exponentBox.height - opBox.height / 2;
|
// 指数不超出根号， 则移动指数
|
if (opOffset.y < 0) {
|
exponent.translate(0, -opOffset.y);
|
opOffset.y = 0;
|
}
|
opOffset.x = exponentBox.width + opBox.height / 2 * tan15 - position.x;
|
}
|
operator.translate(opOffset.x, opOffset.y);
|
radicand.translate(opOffset.x + position.x + SHAPE_DATA_WIDTH, opOffset.y + 2 * SHAPE_DATA_WIDTH);
|
}
|
}
|
};
|
|
/**
|
* 上下标操作符
|
*/
|
_p[43] = {
|
value: function(require) {
|
var kity = _p.r(34), ScriptController = _p.r(37);
|
return kity.createClass("ScriptOperator", {
|
base: _p.r(41),
|
constructor: function(operatorName) {
|
this.callBase(operatorName || "Script");
|
},
|
applyOperand: function(operand, sup, sub) {
|
var padding = 1, parent = this.parentExpression, space = new ScriptController(this, operand, sup, sub).applySide();
|
this.getOperatorShape();
|
space && parent.setOffset(space.top, space.bottom);
|
parent.expand(4, padding * 2);
|
parent.translateElement(2, padding);
|
}
|
});
|
}
|
};
|
|
/**
|
* 求和操作符：∑
|
*/
|
_p[44] = {
|
value: function(require) {
|
var kity = _p.r(34), ScriptController = _p.r(37);
|
return kity.createClass("SummationOperator", {
|
base: _p.r(41),
|
constructor: function() {
|
this.callBase("Summation");
|
this.displayType = "equation";
|
},
|
applyOperand: function(expr, sup, sub) {
|
var opShape = this.getOperatorShape(), expBox = expr.getFixRenderBox(), padding = 0, space = new ScriptController(this, opShape, sup, sub).applyUpDown(), diff = (space.height - space.top - space.bottom - expBox.height) / 2;
|
if (diff >= 0) {
|
expr.translate(space.width + padding, diff + space.bottom);
|
} else {
|
diff = -diff;
|
opShape.translate(0, diff);
|
sup.translate(0, diff);
|
sub.translate(0, diff);
|
expr.translate(space.width + padding, space.bottom);
|
}
|
this.parentExpression.setOffset(space.top, space.bottom);
|
this.parentExpression.expand(padding, padding * 2);
|
this.parentExpression.translateElement(padding, padding);
|
},
|
getOperatorShape: function() {
|
var pathData = "M0.672,33.603c-0.432,0-0.648,0-0.648-0.264c0-0.024,0-0.144,0.24-0.432l12.433-14.569L0,0.96c0-0.264,0-0.72,0.024-0.792 C0.096,0.024,0.12,0,0.672,0h28.371l2.904,6.745h-0.6C30.531,4.8,28.898,3.72,28.298,3.336c-1.896-1.2-3.984-1.608-5.28-1.8 c-0.216-0.048-2.4-0.384-5.617-0.384H4.248l11.185,15.289c0.168,0.24,0.168,0.312,0.168,0.36c0,0.12-0.048,0.192-0.216,0.384 L3.168,31.515h14.474c4.608,0,6.96-0.624,7.464-0.744c2.76-0.72,5.305-2.352,6.241-4.848h0.6l-2.904,7.681H0.672z", operatorShape = new kity.Path(pathData).fill("black"), opBgShape = new kity.Rect(0, 0, 0, 0).fill("transparent"), group = new kity.Group(), opRenderBox = null;
|
group.addShape(opBgShape);
|
group.addShape(operatorShape);
|
operatorShape.scale(1.6);
|
this.addOperatorShape(group);
|
opRenderBox = operatorShape.getFixRenderBox();
|
if (this.displayType === "inline") {
|
operatorShape.translate(5, 15);
|
opBgShape.setSize(opRenderBox.width + 10, opRenderBox.height + 25);
|
} else {
|
operatorShape.translate(2, 5);
|
opBgShape.setSize(opRenderBox.width + 4, opRenderBox.height + 8);
|
}
|
return group;
|
}
|
});
|
}
|
};
|
|
/*!
|
* 资源管理器
|
* 负责管理资源的加载，并在资源ready之后提供Formula构造器
|
*/
|
_p[45] = {
|
value: function(require) {
|
var kity = _p.r(34), cbList = [], RES_CONF = _p.r(47).resource, FontInstall = _p.r(24), Formula = _p.r(31), // 资源管理器就绪状态
|
__readyState = false, // 资源管理器是否已启动
|
inited = false;
|
return {
|
// 初始化
|
ready: function(cb, options) {
|
if (!inited) {
|
inited = true;
|
init(options);
|
}
|
if (__readyState) {
|
window.setTimeout(function() {
|
cb(Formula);
|
}, 0);
|
} else {
|
cbList.push(cb);
|
}
|
}
|
};
|
/**
|
* 资源初始化
|
*/
|
function init(options) {
|
options = kity.Utils.extend({}, RES_CONF, options);
|
if (!/^(https?:)?\/\//.test(options.path)) {
|
options.path = getFullPath(options.path);
|
}
|
new FontInstall(document, options.path).mount(complete);
|
}
|
function complete() {
|
kity.Utils.each(cbList, function(cb) {
|
cb(Formula);
|
});
|
}
|
function getFullPath(path) {
|
var pathname = location.pathname.split("/"), pathPart;
|
pathname.length -= 1;
|
pathname = pathname.join("/") + "/";
|
pathPart = [ location.protocol, "//", location.host, pathname, path.replace(/^\//, "") ];
|
return pathPart.join("");
|
}
|
}
|
};
|
|
/*!
|
* 所有符号的基类
|
* @abstract
|
*/
|
_p[46] = {
|
value: function(require) {
|
var kity = _p.r(34), GTYPE = _p.r(6);
|
return kity.createClass("SignGroup", {
|
base: kity.Group,
|
constructor: function() {
|
this.callBase();
|
this.box = new kity.Rect(0, 0, 0, 0);
|
this.type = GTYPE.UNKNOWN;
|
this.addShape(this.box);
|
this.zoom = 1;
|
},
|
setZoom: function(zoom) {
|
this.zoom = zoom;
|
},
|
getZoom: function() {
|
return this.zoom;
|
},
|
setBoxSize: function(w, h) {
|
return this.box.setSize(w, h);
|
},
|
setBoxWidth: function(w) {
|
return this.box.setWidth(w);
|
},
|
setBoxHeight: function(h) {
|
return this.box.setHeight(h);
|
},
|
getType: function() {
|
return this.type;
|
},
|
getBaseHeight: function() {
|
return this.getHeight();
|
},
|
getBaseWidth: function() {
|
return this.getWidth();
|
},
|
addedCall: function() {}
|
});
|
}
|
};
|
|
/*!
|
* 系统项目配置文件.
|
*/
|
_p[47] = {
|
value: function(require) {
|
return {
|
zoom: .66,
|
font: {
|
meanline: Math.round(380 / 1e3 * 50),
|
baseline: Math.round(800 / 1e3 * 50),
|
baseHeight: 50,
|
// 系统字体列表
|
list: [ _p.r(29), _p.r(27), _p.r(28), _p.r(26), _p.r(30) ]
|
},
|
/*------------------------- 资源配置*/
|
resource: {
|
path: "src/resource/"
|
},
|
// 函数相关配置
|
func: {
|
// 上下标在函数名上下两侧的函数列表
|
"ud-script": {
|
lim: true
|
}
|
}
|
};
|
}
|
};
|
|
/*!
|
* 启动代码
|
*/
|
_p[48] = {
|
value: function(require) {
|
window.kf = {
|
// base
|
ResourceManager: _p.r(45),
|
Operator: _p.r(41),
|
// expression
|
Expression: _p.r(21),
|
CompoundExpression: _p.r(19),
|
TextExpression: _p.r(22),
|
EmptyExpression: _p.r(20),
|
CombinationExpression: _p.r(12),
|
FunctionExpression: _p.r(14),
|
FractionExpression: _p.r(13),
|
IntegrationExpression: _p.r(15),
|
RadicalExpression: _p.r(16),
|
ScriptExpression: _p.r(17),
|
SuperscriptExpression: _p.r(9),
|
SubscriptExpression: _p.r(8),
|
SummationExpression: _p.r(18),
|
// Brackets expressoin
|
BracketsExpression: _p.r(11)
|
};
|
}
|
};
|
|
var moduleMapping = {
|
"kf.start": 48
|
};
|
|
function use(name) {
|
_p.r([ moduleMapping[name] ]);
|
}
|
/**
|
* 模块暴露
|
*/
|
|
( function ( global ) {
|
|
var oldGetRenderBox = kity.Shape.getRenderBox;
|
|
kity.extendClass(kity.Shape, {
|
getFixRenderBox: function () {
|
return this.getRenderBox( this.container.container );
|
},
|
|
getTranslate: function () {
|
return this.transform.translate;
|
}
|
});
|
|
// build环境中才含有use
|
try {
|
use( 'kf.start' );
|
} catch ( e ) {
|
}
|
|
} )( this );
|
})();
|
