svgedit/dist/extensions/ext-server_opensave.js

var svgEditorExtension_server_opensave = (function () {
  'use strict';

  var asyncToGenerator = function (fn) {
    return function () {
      var gen = fn.apply(this, arguments);
      return new Promise(function (resolve, reject) {
        function step(key, arg) {
          try {
            var info = gen[key](arg);
            var value = info.value;
          } catch (error) {
            reject(error);
            return;
          }

          if (info.done) {
            resolve(value);
          } else {
            return Promise.resolve(value).then(function (value) {
              step("next", value);
            }, function (err) {
              step("throw", err);
            });
          }
        }

        return step("next");
      });
    };
  };

  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };

  var createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  var get = function get(object, property, receiver) {
    if (object === null) object = Function.prototype;
    var desc = Object.getOwnPropertyDescriptor(object, property);

    if (desc === undefined) {
      var parent = Object.getPrototypeOf(object);

      if (parent === null) {
        return undefined;
      } else {
        return get(parent, property, receiver);
      }
    } else if ("value" in desc) {
      return desc.value;
    } else {
      var getter = desc.get;

      if (getter === undefined) {
        return undefined;
      }

      return getter.call(receiver);
    }
  };

  var inherits = function (subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  };

  var possibleConstructorReturn = function (self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  };

  var slicedToArray = function () {
    function sliceIterator(arr, i) {
      var _arr = [];
      var _n = true;
      var _d = false;
      var _e = undefined;

      try {
        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
          _arr.push(_s.value);

          if (i && _arr.length === i) break;
        }
      } catch (err) {
        _d = true;
        _e = err;
      } finally {
        try {
          if (!_n && _i["return"]) _i["return"]();
        } finally {
          if (_d) throw _e;
        }
      }

      return _arr;
    }

    return function (arr, i) {
      if (Array.isArray(arr)) {
        return arr;
      } else if (Symbol.iterator in Object(arr)) {
        return sliceIterator(arr, i);
      } else {
        throw new TypeError("Invalid attempt to destructure non-iterable instance");
      }
    };
  }();

  var toConsumableArray = function (arr) {
    if (Array.isArray(arr)) {
      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

      return arr2;
    } else {
      return Array.from(arr);
    }
  };

  /**
   * For parsing color values
   * @module RGBColor
   * @author Stoyan Stefanov <sstoo@gmail.com>
   * @see https://www.phpied.com/rgb-color-parser-in-javascript/
   * @license MIT
  */
  var simpleColors = {
    aliceblue: 'f0f8ff',
    antiquewhite: 'faebd7',
    aqua: '00ffff',
    aquamarine: '7fffd4',
    azure: 'f0ffff',
    beige: 'f5f5dc',
    bisque: 'ffe4c4',
    black: '000000',
    blanchedalmond: 'ffebcd',
    blue: '0000ff',
    blueviolet: '8a2be2',
    brown: 'a52a2a',
    burlywood: 'deb887',
    cadetblue: '5f9ea0',
    chartreuse: '7fff00',
    chocolate: 'd2691e',
    coral: 'ff7f50',
    cornflowerblue: '6495ed',
    cornsilk: 'fff8dc',
    crimson: 'dc143c',
    cyan: '00ffff',
    darkblue: '00008b',
    darkcyan: '008b8b',
    darkgoldenrod: 'b8860b',
    darkgray: 'a9a9a9',
    darkgreen: '006400',
    darkkhaki: 'bdb76b',
    darkmagenta: '8b008b',
    darkolivegreen: '556b2f',
    darkorange: 'ff8c00',
    darkorchid: '9932cc',
    darkred: '8b0000',
    darksalmon: 'e9967a',
    darkseagreen: '8fbc8f',
    darkslateblue: '483d8b',
    darkslategray: '2f4f4f',
    darkturquoise: '00ced1',
    darkviolet: '9400d3',
    deeppink: 'ff1493',
    deepskyblue: '00bfff',
    dimgray: '696969',
    dodgerblue: '1e90ff',
    feldspar: 'd19275',
    firebrick: 'b22222',
    floralwhite: 'fffaf0',
    forestgreen: '228b22',
    fuchsia: 'ff00ff',
    gainsboro: 'dcdcdc',
    ghostwhite: 'f8f8ff',
    gold: 'ffd700',
    goldenrod: 'daa520',
    gray: '808080',
    green: '008000',
    greenyellow: 'adff2f',
    honeydew: 'f0fff0',
    hotpink: 'ff69b4',
    indianred: 'cd5c5c',
    indigo: '4b0082',
    ivory: 'fffff0',
    khaki: 'f0e68c',
    lavender: 'e6e6fa',
    lavenderblush: 'fff0f5',
    lawngreen: '7cfc00',
    lemonchiffon: 'fffacd',
    lightblue: 'add8e6',
    lightcoral: 'f08080',
    lightcyan: 'e0ffff',
    lightgoldenrodyellow: 'fafad2',
    lightgrey: 'd3d3d3',
    lightgreen: '90ee90',
    lightpink: 'ffb6c1',
    lightsalmon: 'ffa07a',
    lightseagreen: '20b2aa',
    lightskyblue: '87cefa',
    lightslateblue: '8470ff',
    lightslategray: '778899',
    lightsteelblue: 'b0c4de',
    lightyellow: 'ffffe0',
    lime: '00ff00',
    limegreen: '32cd32',
    linen: 'faf0e6',
    magenta: 'ff00ff',
    maroon: '800000',
    mediumaquamarine: '66cdaa',
    mediumblue: '0000cd',
    mediumorchid: 'ba55d3',
    mediumpurple: '9370d8',
    mediumseagreen: '3cb371',
    mediumslateblue: '7b68ee',
    mediumspringgreen: '00fa9a',
    mediumturquoise: '48d1cc',
    mediumvioletred: 'c71585',
    midnightblue: '191970',
    mintcream: 'f5fffa',
    mistyrose: 'ffe4e1',
    moccasin: 'ffe4b5',
    navajowhite: 'ffdead',
    navy: '000080',
    oldlace: 'fdf5e6',
    olive: '808000',
    olivedrab: '6b8e23',
    orange: 'ffa500',
    orangered: 'ff4500',
    orchid: 'da70d6',
    palegoldenrod: 'eee8aa',
    palegreen: '98fb98',
    paleturquoise: 'afeeee',
    palevioletred: 'd87093',
    papayawhip: 'ffefd5',
    peachpuff: 'ffdab9',
    peru: 'cd853f',
    pink: 'ffc0cb',
    plum: 'dda0dd',
    powderblue: 'b0e0e6',
    purple: '800080',
    red: 'ff0000',
    rosybrown: 'bc8f8f',
    royalblue: '4169e1',
    saddlebrown: '8b4513',
    salmon: 'fa8072',
    sandybrown: 'f4a460',
    seagreen: '2e8b57',
    seashell: 'fff5ee',
    sienna: 'a0522d',
    silver: 'c0c0c0',
    skyblue: '87ceeb',
    slateblue: '6a5acd',
    slategray: '708090',
    snow: 'fffafa',
    springgreen: '00ff7f',
    steelblue: '4682b4',
    tan: 'd2b48c',
    teal: '008080',
    thistle: 'd8bfd8',
    tomato: 'ff6347',
    turquoise: '40e0d0',
    violet: 'ee82ee',
    violetred: 'd02090',
    wheat: 'f5deb3',
    white: 'ffffff',
    whitesmoke: 'f5f5f5',
    yellow: 'ffff00',
    yellowgreen: '9acd32'
  };

  // array of color definition objects
  var colorDefs = [{
    re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
    example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
    process: function process(bits) {
      return [parseInt(bits[1], 10), parseInt(bits[2], 10), parseInt(bits[3], 10)];
    }
  }, {
    re: /^(\w{2})(\w{2})(\w{2})$/,
    example: ['#00ff00', '336699'],
    process: function process(bits) {
      return [parseInt(bits[1], 16), parseInt(bits[2], 16), parseInt(bits[3], 16)];
    }
  }, {
    re: /^(\w{1})(\w{1})(\w{1})$/,
    example: ['#fb0', 'f0f'],
    process: function process(bits) {
      return [parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16)];
    }
  }];

  /**
   * A class to parse color values
   */

  var RGBColor = function () {
    /**
    * @param {string} colorString
    */
    function RGBColor(colorString) {
      classCallCheck(this, RGBColor);

      this.ok = false;

      // strip any leading #
      if (colorString.charAt(0) === '#') {
        // remove # if any
        colorString = colorString.substr(1, 6);
      }

      colorString = colorString.replace(/ /g, '');
      colorString = colorString.toLowerCase();

      // before getting into regexps, try simple matches
      // and overwrite the input
      if (colorString in simpleColors) {
        colorString = simpleColors[colorString];
      }
      // end of simple type-in colors

      // search through the definitions to find a match
      for (var i = 0; i < colorDefs.length; i++) {
        var re = colorDefs[i].re;

        var processor = colorDefs[i].process;
        var bits = re.exec(colorString);
        if (bits) {
          var _processor = processor(bits),
              _processor2 = slicedToArray(_processor, 3),
              r = _processor2[0],
              g = _processor2[1],
              b = _processor2[2];

          Object.assign(this, { r: r, g: g, b: b });
          this.ok = true;
        }
      }

      // validate/cleanup values
      this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
      this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
      this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
    }

    // some getters
    /**
    * @returns {string}
    */


    createClass(RGBColor, [{
      key: 'toRGB',
      value: function toRGB() {
        return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
      }

      /**
      * @returns {string}
      */

    }, {
      key: 'toHex',
      value: function toHex() {
        var r = this.r.toString(16);
        var g = this.g.toString(16);
        var b = this.b.toString(16);
        if (r.length === 1) {
          r = '0' + r;
        }
        if (g.length === 1) {
          g = '0' + g;
        }
        if (b.length === 1) {
          b = '0' + b;
        }
        return '#' + r + g + b;
      }

      /**
      * help
      * @returns {HTMLUListElement}
      */

    }, {
      key: 'getHelpXML',
      value: function getHelpXML() {
        var examples = [];
        // add regexps
        for (var i = 0; i < colorDefs.length; i++) {
          var example = colorDefs[i].example;

          for (var j = 0; j < example.length; j++) {
            examples[examples.length] = example[j];
          }
        }
        // add type-in colors
        examples.push.apply(examples, toConsumableArray(Object.keys(simpleColors)));

        var xml = document.createElement('ul');
        xml.setAttribute('id', 'rgbcolor-examples');
        for (var _i = 0; _i < examples.length; _i++) {
          try {
            var listItem = document.createElement('li');
            var listColor = new RGBColor(examples[_i]);
            var exampleDiv = document.createElement('div');
            exampleDiv.style.cssText = 'margin: 3px;\nborder: 1px solid black;\nbackground: ' + listColor.toHex() + ';\ncolor: ' + listColor.toHex() + ';';
            exampleDiv.append('test');
            var listItemValue = ' ' + examples[_i] + ' -> ' + listColor.toRGB() + ' -> ' + listColor.toHex();
            listItem.append(exampleDiv, listItemValue);
            xml.append(listItem);
          } catch (e) {}
        }
        return xml;
      }
    }]);
    return RGBColor;
  }();

  /**
  * StackBlur - a fast almost Gaussian Blur For Canvas

  In case you find this class useful - especially in commercial projects -
  I am not totally unhappy for a small donation to my PayPal account
  mario@quasimondo.de

  Or support me on flattr:
  https://flattr.com/thing/72791/StackBlur-a-fast-almost-Gaussian-Blur-Effect-for-CanvasJavascript

  * @module StackBlur
  * @version 0.5
  * @author Mario Klingemann
  Contact: mario@quasimondo.com
  Website: http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
  Twitter: @quasimondo

  * @copyright (c) 2010 Mario Klingemann

  Permission is hereby granted, free of charge, to any person
  obtaining a copy of this software and associated documentation
  files (the "Software"), to deal in the Software without
  restriction, including without limitation the rights to use,
  copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the
  Software is furnished to do so, subject to the following
  conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  OTHER DEALINGS IN THE SOFTWARE.
  */

  var mulTable = [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];

  var shgTable = [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];

  /**
   * @param {string|HTMLCanvasElement} canvas
   * @param {Integer} topX
   * @param {Integer} topY
   * @param {Integer} width
   * @param {Integer} height
   * @throws {Error}
   * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
   */
  function getImageDataFromCanvas(canvas, topX, topY, width, height) {
    if (typeof canvas === 'string') {
      canvas = document.getElementById(canvas);
    }
    if (!canvas || !('getContext' in canvas)) {
      return;
    }

    var context = canvas.getContext('2d');

    try {
      return context.getImageData(topX, topY, width, height);
    } catch (e) {
      throw new Error('unable to access image data: ' + e);
    }
  }

  /**
   * @param {HTMLCanvasElement} canvas
   * @param {Integer} topX
   * @param {Integer} topY
   * @param {Integer} width
   * @param {Integer} height
   * @param {Float} radius
   * @returns {undefined}
   */
  function processCanvasRGBA(canvas, topX, topY, width, height, radius) {
    if (isNaN(radius) || radius < 1) {
      return;
    }
    radius |= 0;

    var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);

    imageData = processImageDataRGBA(imageData, topX, topY, width, height, radius);

    canvas.getContext('2d').putImageData(imageData, topX, topY);
  }

  /**
   * @param {ImageData} imageData
   * @param {Integer} topX
   * @param {Integer} topY
   * @param {Integer} width
   * @param {Integer} height
   * @param {Float} radius
   * @returns {ImageData}
   */
  function processImageDataRGBA(imageData, topX, topY, width, height, radius) {
    var pixels = imageData.data;

    var x = void 0,
        y = void 0,
        i = void 0,
        p = void 0,
        yp = void 0,
        yi = void 0,
        yw = void 0,
        rSum = void 0,
        gSum = void 0,
        bSum = void 0,
        aSum = void 0,
        rOutSum = void 0,
        gOutSum = void 0,
        bOutSum = void 0,
        aOutSum = void 0,
        rInSum = void 0,
        gInSum = void 0,
        bInSum = void 0,
        aInSum = void 0,
        pr = void 0,
        pg = void 0,
        pb = void 0,
        pa = void 0,
        rbs = void 0;

    var div = radius + radius + 1;
    // const 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;
    var stackEnd = void 0;
    for (i = 1; i < div; i++) {
      stack = stack.next = new BlurStack();
      if (i === radiusPlus1) {
        stackEnd = stack;
      }
    }
    stack.next = stackStart;
    var stackIn = null;
    var stackOut = null;

    yw = yi = 0;

    var mulSum = mulTable[radius];
    var shgSum = shgTable[radius];

    for (y = 0; y < height; y++) {
      rInSum = gInSum = bInSum = aInSum = rSum = gSum = bSum = aSum = 0;

      rOutSum = radiusPlus1 * (pr = pixels[yi]);
      gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
      bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
      aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);

      rSum += sumFactor * pr;
      gSum += sumFactor * pg;
      bSum += sumFactor * pb;
      aSum += 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);
        rSum += (stack.r = pr = pixels[p]) * (rbs = radiusPlus1 - i);
        gSum += (stack.g = pg = pixels[p + 1]) * rbs;
        bSum += (stack.b = pb = pixels[p + 2]) * rbs;
        aSum += (stack.a = pa = pixels[p + 3]) * rbs;

        rInSum += pr;
        gInSum += pg;
        bInSum += pb;
        aInSum += pa;

        stack = stack.next;
      }

      stackIn = stackStart;
      stackOut = stackEnd;
      for (x = 0; x < width; x++) {
        pixels[yi + 3] = pa = aSum * mulSum >> shgSum;
        if (pa !== 0) {
          pa = 255 / pa;
          pixels[yi] = (rSum * mulSum >> shgSum) * pa;
          pixels[yi + 1] = (gSum * mulSum >> shgSum) * pa;
          pixels[yi + 2] = (bSum * mulSum >> shgSum) * pa;
        } else {
          pixels[yi] = pixels[yi + 1] = pixels[yi + 2] = 0;
        }

        rSum -= rOutSum;
        gSum -= gOutSum;
        bSum -= bOutSum;
        aSum -= aOutSum;

        rOutSum -= stackIn.r;
        gOutSum -= stackIn.g;
        bOutSum -= stackIn.b;
        aOutSum -= stackIn.a;

        p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;

        rInSum += stackIn.r = pixels[p];
        gInSum += stackIn.g = pixels[p + 1];
        bInSum += stackIn.b = pixels[p + 2];
        aInSum += stackIn.a = pixels[p + 3];

        rSum += rInSum;
        gSum += gInSum;
        bSum += bInSum;
        aSum += aInSum;

        stackIn = stackIn.next;

        rOutSum += pr = stackOut.r;
        gOutSum += pg = stackOut.g;
        bOutSum += pb = stackOut.b;
        aOutSum += pa = stackOut.a;

        rInSum -= pr;
        gInSum -= pg;
        bInSum -= pb;
        aInSum -= pa;

        stackOut = stackOut.next;

        yi += 4;
      }
      yw += width;
    }

    for (x = 0; x < width; x++) {
      gInSum = bInSum = aInSum = rInSum = gSum = bSum = aSum = rSum = 0;

      yi = x << 2;
      rOutSum = radiusPlus1 * (pr = pixels[yi]);
      gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
      bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
      aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);

      rSum += sumFactor * pr;
      gSum += sumFactor * pg;
      bSum += sumFactor * pb;
      aSum += 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;

        rSum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
        gSum += (stack.g = pg = pixels[yi + 1]) * rbs;
        bSum += (stack.b = pb = pixels[yi + 2]) * rbs;
        aSum += (stack.a = pa = pixels[yi + 3]) * rbs;

        rInSum += pr;
        gInSum += pg;
        bInSum += pb;
        aInSum += 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 = aSum * mulSum >> shgSum;
        if (pa > 0) {
          pa = 255 / pa;
          pixels[p] = (rSum * mulSum >> shgSum) * pa;
          pixels[p + 1] = (gSum * mulSum >> shgSum) * pa;
          pixels[p + 2] = (bSum * mulSum >> shgSum) * pa;
        } else {
          pixels[p] = pixels[p + 1] = pixels[p + 2] = 0;
        }

        rSum -= rOutSum;
        gSum -= gOutSum;
        bSum -= bOutSum;
        aSum -= aOutSum;

        rOutSum -= stackIn.r;
        gOutSum -= stackIn.g;
        bOutSum -= stackIn.b;
        aOutSum -= stackIn.a;

        p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;

        rSum += rInSum += stackIn.r = pixels[p];
        gSum += gInSum += stackIn.g = pixels[p + 1];
        bSum += bInSum += stackIn.b = pixels[p + 2];
        aSum += aInSum += stackIn.a = pixels[p + 3];

        stackIn = stackIn.next;

        rOutSum += pr = stackOut.r;
        gOutSum += pg = stackOut.g;
        bOutSum += pb = stackOut.b;
        aOutSum += pa = stackOut.a;

        rInSum -= pr;
        gInSum -= pg;
        bInSum -= pb;
        aInSum -= pa;

        stackOut = stackOut.next;

        yi += width;
      }
    }
    return imageData;
  }

  /**
   *
   */
  var BlurStack = function BlurStack() {
    classCallCheck(this, BlurStack);

    this.r = 0;
    this.g = 0;
    this.b = 0;
    this.a = 0;
    this.next = null;
  };

  /* eslint-disable new-cap */

  var canvasRGBA_ = processCanvasRGBA;

  /**
  * @typedef {PlainObject} module:canvg.CanvgOptions
  * @property {boolean} opts.ignoreMouse true => ignore mouse events
  * @property {boolean} opts.ignoreAnimation true => ignore animations
  * @property {boolean} opts.ignoreDimensions true => does not try to resize canvas
  * @property {boolean} opts.ignoreClear true => does not clear canvas
  * @property {Integer} opts.offsetX int => draws at a x offset
  * @property {Integer} opts.offsetY int => draws at a y offset
  * @property {Integer} opts.scaleWidth int => scales horizontally to width
  * @property {Integer} opts.scaleHeight int => scales vertically to height
  * @property {module:canvg.ForceRedraw} opts.forceRedraw function => will call the function on every frame, if it returns true, will redraw
  * @property {boolean} opts.log Adds log function
  * @property {boolean} opts.useCORS Whether to set CORS `crossOrigin` for the image to `Anonymous`
  */

  /**
  * If called with no arguments, it will replace all `<svg>` elements on the page with `<canvas>` elements
  * @function module:canvg.canvg
  * @param {HTMLCanvasElement|string} target canvas element or the id of a canvas element
  * @param {string|XMLDocument} s: svg string, url to svg file, or xml document
  * @param {module:canvg.CanvgOptions} [opts] Optional hash of options
  * @returns {Promise} All the function after the first render is completed with dom
  */
  var canvg = function canvg(target, s, opts) {
    // no parameters
    if (target == null && s == null && opts == null) {
      var svgTags = document.querySelectorAll('svg');
      return Promise.all([].concat(toConsumableArray(svgTags)).map(function (svgTag) {
        var c = document.createElement('canvas');
        c.width = svgTag.clientWidth;
        c.height = svgTag.clientHeight;
        svgTag.before(c);
        svgTag.remove();
        var div = document.createElement('div');
        div.append(svgTag);
        return canvg(c, div.innerHTML);
      }));
    }

    if (typeof target === 'string') {
      target = document.getElementById(target);
    }

    // store class on canvas
    if (target.svg != null) target.svg.stop();
    var svg = build(opts || {});
    // 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;
    }

    var ctx = target.getContext('2d');
    if (typeof s.documentElement !== 'undefined') {
      // load from xml doc
      return svg.loadXmlDoc(ctx, s);
    }
    if (s.substr(0, 1) === '<') {
      // load from xml string
      return svg.loadXml(ctx, s);
    }
    // load from url
    return svg.load(ctx, s);
  };

  /**
  * @param {module:canvg.CanvgOptions} opts
  * @returns {object}
  * @todo Flesh out exactly what object is returned here (after updating to latest and reincluding our changes here and those of StackBlur)
  */
  function build(opts) {
    var svg = { opts: opts };

    svg.FRAMERATE = 30;
    svg.MAX_VIRTUAL_PIXELS = 30000;

    svg.log = function (msg) {};
    if (svg.opts.log === true && typeof console !== 'undefined') {
      svg.log = function (msg) {
        console.log(msg);
      };
    }

    // 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 = {
        viewPorts: [],
        Clear: function Clear() {
          this.viewPorts = [];
        },
        SetCurrent: function SetCurrent(width, height) {
          this.viewPorts.push({ width: width, height: height });
        },
        RemoveCurrent: function RemoveCurrent() {
          this.viewPorts.pop();
        },
        Current: function Current() {
          return this.viewPorts[this.viewPorts.length - 1];
        },
        width: function width() {
          return this.Current().width;
        },
        height: function height() {
          return this.Current().height;
        },
        ComputeSize: function ComputeSize(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 () {
      return svg.Images.every(function (img) {
        return img.loaded;
      });
    };

    // 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, asynch) {
      var AJAX = window.XMLHttpRequest ? new XMLHttpRequest() : new window.ActiveXObject('Microsoft.XMLHTTP');
      if (!AJAX) {
        return null;
      }
      if (asynch) {
        return new Promise(function (resolve, reject) {
          var req = AJAX.open('GET', url, true);
          req.addEventListener('load', function () {
            resolve(AJAX.responseText);
          });
          AJAX.send(null);
        });
      }

      AJAX.open('GET', url, false);
      AJAX.send(null);
      return AJAX.responseText;
    };

    // 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 window.ActiveXObject('Microsoft.XMLDOM');
        xmlDoc.async = 'false';
        xmlDoc.loadXML(xml);
        return xmlDoc;
      }
    };

    // text extensions
    // get the text baseline
    var textBaselineMapping = {
      baseline: 'alphabetic',
      'before-edge': 'top',
      'text-before-edge': 'top',
      middle: 'middle',
      central: 'middle',
      'after-edge': 'bottom',
      'text-after-edge': 'bottom',
      ideographic: 'ideographic',
      alphabetic: 'alphabetic',
      hanging: 'hanging',
      mathematical: 'alphabetic'
    };

    svg.Property = function () {
      function Property(name, value) {
        classCallCheck(this, Property);

        this.name = name;
        this.value = value;
      }

      createClass(Property, [{
        key: 'getValue',
        value: function getValue() {
          return this.value;
        }
      }, {
        key: 'hasValue',
        value: function hasValue() {
          return this.value != null && this.value !== '';
        }

        // return the numerical value of the property

      }, {
        key: 'numValue',
        value: function numValue() {
          if (!this.hasValue()) return 0;

          var n = parseFloat(this.value);
          if ((this.value + '').match(/%$/)) {
            n = n / 100.0;
          }
          return n;
        }
      }, {
        key: 'valueOrDefault',
        value: function valueOrDefault(def) {
          if (this.hasValue()) return this.value;
          return def;
        }
      }, {
        key: 'numValueOrDefault',
        value: function numValueOrDefault(def) {
          if (this.hasValue()) return this.numValue();
          return def;
        }

        // color extensions
        // augment the current color value with the opacity

      }, {
        key: 'addOpacity',
        value: function addOpacity(opacityProp) {
          var newValue = this.value;
          if (opacityProp.value != null && opacityProp.value !== '' && 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 + ', ' + opacityProp.numValue() + ')';
            }
          }
          return new svg.Property(this.name, newValue);
        }

        // definition extensions
        // get the definition from the definitions table

      }, {
        key: 'getDefinition',
        value: function getDefinition() {
          var name = this.value.match(/#([^)'"]+)/);
          if (name) {
            name = name[1];
          }
          if (!name) {
            name = this.value;
          }
          return svg.Definitions[name];
        }
      }, {
        key: 'isUrlDefinition',
        value: function isUrlDefinition() {
          return this.value.startsWith('url(');
        }
      }, {
        key: 'getFillStyleDefinition',
        value: function getFillStyleDefinition(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

      }, {
        key: 'getDPI',
        value: function getDPI(viewPort) {
          return 96.0; // TODO: compute?
        }
      }, {
        key: 'getEM',
        value: function getEM(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;
        }
      }, {
        key: 'getUnits',
        value: function getUnits() {
          var s = this.value + '';
          return s.replace(/[0-9.-]/g, '');
        }

        // get the length as pixels

      }, {
        key: 'toPixels',
        value: function toPixels(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) / 2.0;
          if (s.match(/px$/)) return this.numValue();
          if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0);
          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 < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
          return n;
        }

        // time extensions
        // get the time as milliseconds

      }, {
        key: 'toMilliseconds',
        value: function toMilliseconds() {
          if (!this.hasValue()) return 0;
          var s = this.value + '';
          if (s.match(/s$/)) return this.numValue() * 1000;
          if (s.match(/ms$/)) return this.numValue();
          return this.numValue();
        }

        // angle extensions
        // get the angle as radians

      }, {
        key: 'toRadians',
        value: function toRadians() {
          if (!this.hasValue()) return 0;
          var s = this.value + '';
          if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0);
          if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0);
          if (s.match(/rad$/)) return this.numValue();
          return this.numValue() * (Math.PI / 180.0);
        }
      }, {
        key: 'toTextBaseline',
        value: function toTextBaseline() {
          if (!this.hasValue()) return null;
          return textBaselineMapping[this.value];
        }
      }]);
      return Property;
    }();

    // fonts
    svg.Font = {
      Styles: 'normal|italic|oblique|inherit',
      Variants: 'normal|small-caps|inherit',
      Weights: 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit',

      CreateFont: function CreateFont(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 toString() {
            return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ');
          }
        };
      },
      Parse: function Parse(s) {
        var _this = this;

        var f = {};
        var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
        var set$$1 = {
          fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false
        };
        var ff = '';
        d.forEach(function (d) {
          if (!set$$1.fontStyle && _this.Styles.includes(d)) {
            if (d !== 'inherit') {
              f.fontStyle = d;
            }
            set$$1.fontStyle = true;
          } else if (!set$$1.fontVariant && _this.Variants.includes(d)) {
            if (d !== 'inherit') {
              f.fontVariant = d;
            }
            set$$1.fontStyle = set$$1.fontVariant = true;
          } else if (!set$$1.fontWeight && _this.Weights.includes(d)) {
            if (d !== 'inherit') {
              f.fontWeight = d;
            }
            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = true;
          } else if (!set$$1.fontSize) {
            if (d !== 'inherit') {
              f.fontSize = d.split('/')[0];
            }
            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = set$$1.fontSize = true;
          } else {
            if (d !== 'inherit') {
              ff += d;
            }
          }
        });
        if (ff !== '') {
          f.fontFamily = ff;
        }
        return f;
      }
    };

    // points and paths
    svg.ToNumberArray = function (s) {
      var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
      return a.map(function (a) {
        return parseFloat(a);
      });
    };
    svg.Point = function () {
      function _class(x, y) {
        classCallCheck(this, _class);

        this.x = x;
        this.y = y;
      }

      createClass(_class, [{
        key: 'angleTo',
        value: function angleTo(p) {
          return Math.atan2(p.y - this.y, p.x - this.x);
        }
      }, {
        key: 'applyTransform',
        value: function applyTransform(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;
        }
      }]);
      return _class;
    }();

    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 () {
      function _class2(x1, y1, x2, y2) {
        classCallCheck(this, _class2);
        // pass in initial points if you want
        this.x1 = Number.NaN;
        this.y1 = Number.NaN;
        this.x2 = Number.NaN;
        this.y2 = Number.NaN;
        this.addPoint(x1, y1);
        this.addPoint(x2, y2);
      }

      createClass(_class2, [{
        key: 'x',
        value: function x() {
          return this.x1;
        }
      }, {
        key: 'y',
        value: function y() {
          return this.y1;
        }
      }, {
        key: 'width',
        value: function width() {
          return this.x2 - this.x1;
        }
      }, {
        key: 'height',
        value: function height() {
          return this.y2 - this.y1;
        }
      }, {
        key: 'addPoint',
        value: function addPoint(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;
          }
        }
      }, {
        key: 'addX',
        value: function addX(x) {
          this.addPoint(x, null);
        }
      }, {
        key: 'addY',
        value: function addY(y) {
          this.addPoint(null, y);
        }
      }, {
        key: 'addBoundingBox',
        value: function addBoundingBox(bb) {
          this.addPoint(bb.x1, bb.y1);
          this.addPoint(bb.x2, bb.y2);
        }
      }, {
        key: 'addQuadraticCurve',
        value: function addQuadraticCurve(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);
        }
      }, {
        key: 'addBezierCurve',
        value: function addBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
          var _this2 = this;

          // 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]);

          var _loop = function _loop(i) {
            var f = function f(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) return 'continue';
              var t = -c / b;
              if (t > 0 && t < 1) {
                if (i === 0) _this2.addX(f(t));
                if (i === 1) _this2.addY(f(t));
              }
              return 'continue';
            }

            var b2ac = Math.pow(b, 2) - 4 * c * a;
            if (b2ac < 0) return 'continue';
            var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
            if (t1 > 0 && t1 < 1) {
              if (i === 0) _this2.addX(f(t1));
              if (i === 1) _this2.addY(f(t1));
            }
            var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
            if (t2 > 0 && t2 < 1) {
              if (i === 0) _this2.addX(f(t2));
              if (i === 1) _this2.addY(f(t2));
            }
          };

          for (var i = 0; i <= 1; i++) {
            var _ret = _loop(i);

            if (_ret === 'continue') continue;
          }
        }
      }, {
        key: 'isPointInBox',
        value: function isPointInBox(x, y) {
          return this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2;
        }
      }]);
      return _class2;
    }();

    // transforms
    svg.Transform = function () {
      function _class3(v) {
        var _this6 = this;

        classCallCheck(this, _class3);

        this.Type = {
          translate: function translate(s) {
            classCallCheck(this, translate);

            this.p = svg.CreatePoint(s);
            this.apply = function (ctx) {
              ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
            };
            this.unapply = function (ctx) {
              ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
            };
            this.applyToPoint = function (p) {
              p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
            };
          },
          rotate: function rotate(s) {
            classCallCheck(this, rotate);

            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(-1.0 * 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 || 0.0, this.p.y || 0.0]);
              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 || 0.0, -this.p.y || 0.0]);
            };
          },
          scale: function scale(s) {
            classCallCheck(this, scale);

            this.p = svg.CreatePoint(s);
            this.apply = function (ctx) {
              ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
            };
            this.unapply = function (ctx) {
              ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
            };
            this.applyToPoint = function (p) {
              p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
            };
          },
          matrix: function matrix(s) {
            classCallCheck(this, matrix);

            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);
            };
          }
        };
        Object.assign(this.Type, {
          SkewBase: function (_Type$matrix) {
            inherits(SkewBase, _Type$matrix);

            function SkewBase(s) {
              classCallCheck(this, SkewBase);

              var _this3 = possibleConstructorReturn(this, (SkewBase.__proto__ || Object.getPrototypeOf(SkewBase)).call(this, s));

              _this3.angle = new svg.Property('angle', s);
              return _this3;
            }

            return SkewBase;
          }(this.Type.matrix)
        });
        Object.assign(this.Type, {
          skewX: function (_Type$SkewBase) {
            inherits(skewX, _Type$SkewBase);

            function skewX(s) {
              classCallCheck(this, skewX);

              var _this4 = possibleConstructorReturn(this, (skewX.__proto__ || Object.getPrototypeOf(skewX)).call(this, s));

              _this4.m = [1, 0, Math.tan(_this4.angle.toRadians()), 1, 0, 0];
              return _this4;
            }

            return skewX;
          }(this.Type.SkewBase),
          skewY: function (_Type$SkewBase2) {
            inherits(skewY, _Type$SkewBase2);

            function skewY(s) {
              classCallCheck(this, skewY);

              var _this5 = possibleConstructorReturn(this, (skewY.__proto__ || Object.getPrototypeOf(skewY)).call(this, s));

              _this5.m = [1, Math.tan(_this5.angle.toRadians()), 0, 1, 0, 0];
              return _this5;
            }

            return skewY;
          }(this.Type.SkewBase)
        });

        var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g, ') ').split(/\s(?=[a-z])/);
        this.transforms = data.map(function (d) {
          var type = svg.trim(d.split('(')[0]);
          var s = d.split('(')[1].replace(')', '');
          var transform = new _this6.Type[type](s);
          transform.type = type;
          return transform;
        });
      }

      createClass(_class3, [{
        key: 'apply',
        value: function apply(ctx) {
          this.transforms.forEach(function (transform) {
            transform.apply(ctx);
          });
        }
      }, {
        key: 'unapply',
        value: function unapply(ctx) {
          for (var i = this.transforms.length - 1; i >= 0; i--) {
            this.transforms[i].unapply(ctx);
          }
        }
      }, {
        key: 'applyToPoint',
        value: function applyToPoint(p) {
          this.transforms.forEach(function (transform) {
            transform.applyToPoint(p);
          });
        }
      }]);
      return _class3;
    }();

    // aspect ratio
    svg.AspectRatio = function (ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
      // aspect ratio - https://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 / 2.0 - desiredWidth / 2.0, 0);
        if (align.match(/YMid$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
        if (align.match(/^xMax/) && (meetOrSlice === 'meet' && scaleMin === scaleY || meetOrSlice === 'slice' && scaleMax === scaleY)) ctx.translate(width - desiredWidth, 0);
        if (align.match(/YMax$/) && (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 () {
      function _class4(node) {
        var _this7 = this;

        classCallCheck(this, _class4);

        this.captureTextNodes = arguments[1]; // Argument from inheriting class
        this.attributes = {};
        this.styles = {};
        this.children = [];
        if (node != null && node.nodeType === 1) {
          // ELEMENT_NODE
          // add children
          [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
            if (childNode.nodeType === 1) {
              _this7.addChild(childNode, true); // ELEMENT_NODE
            }
            if (_this7.captureTextNodes && (childNode.nodeType === 3 || childNode.nodeType === 4)) {
              var text = childNode.nodeValue || childNode.text || '';
              if (svg.trim(svg.compressSpaces(text)) !== '') {
                _this7.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
              }
            }
          });

          // add attributes
          [].concat(toConsumableArray(node.attributes)).forEach(function (_ref) {
            var nodeName = _ref.nodeName,
                nodeValue = _ref.nodeValue;

            _this7.attributes[nodeName] = new svg.Property(nodeName, 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(' ');
            classes.forEach(function (clss) {
              styles = svg.Styles['.' + clss];
              if (styles != null) {
                for (var _name in styles) {
                  _this7.styles[_name] = styles[_name];
                }
              }
              styles = svg.Styles[node.nodeName + '.' + clss];
              if (styles != null) {
                for (var _name2 in styles) {
                  _this7.styles[_name2] = styles[_name2];
                }
              }
            });
          }

          // add id styles
          if (this.attribute('id').hasValue()) {
            var _styles = svg.Styles['#' + this.attribute('id').value];
            if (_styles != null) {
              for (var _name3 in _styles) {
                this.styles[_name3] = _styles[_name3];
              }
            }
          }

          // add inline styles
          if (this.attribute('style').hasValue()) {
            var _styles2 = this.attribute('style').value.split(';');
            _styles2.forEach(function (style) {
              if (svg.trim(style) !== '') {
                var _style$split = style.split(':'),
                    _name4 = _style$split.name,
                    value = _style$split.value;

                _name4 = svg.trim(_name4);
                value = svg.trim(value);
                _this7.styles[_name4] = new svg.Property(_name4, value);
              }
            });
          }

          // add id
          if (this.attribute('id').hasValue()) {
            if (svg.Definitions[this.attribute('id').value] == null) {
              svg.Definitions[this.attribute('id').value] = this;
            }
          }
        }
      }

      // get or create attribute


      createClass(_class4, [{
        key: 'attribute',
        value: function attribute(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;
        }
      }, {
        key: 'getHrefAttribute',
        value: function getHrefAttribute() {
          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

      }, {
        key: 'style',
        value: function style(name, createIfNotExists, skipAncestors) {
          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;
          }

          if (skipAncestors !== true) {
            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

      }, {
        key: 'render',
        value: function render(ctx) {
          // don't render display=none
          if (this.style('display').value === 'none') return;

          // don't render visibility=hidden
          if (this.style('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

      }, {
        key: 'setContext',
        value: function setContext(ctx) {}
        // OVERRIDE ME!


        // base clear context

      }, {
        key: 'clearContext',
        value: function clearContext(ctx) {}
        // OVERRIDE ME!


        // base render children

      }, {
        key: 'renderChildren',
        value: function renderChildren(ctx) {
          this.children.forEach(function (child) {
            child.render(ctx);
          });
        }
      }, {
        key: 'addChild',
        value: function addChild(childNode, create) {
          var child = create ? svg.CreateElement(childNode) : childNode;
          child.parent = this;
          if (child.type !== 'title') {
            this.children.push(child);
          }
        }
      }]);
      return _class4;
    }();

    svg.Element.RenderedElementBase = function (_svg$Element$ElementB) {
      inherits(_class5, _svg$Element$ElementB);

      function _class5() {
        classCallCheck(this, _class5);
        return possibleConstructorReturn(this, (_class5.__proto__ || Object.getPrototypeOf(_class5)).apply(this, arguments));
      }

      createClass(_class5, [{
        key: 'setContext',
        value: function setContext(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'));
            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'));
            ctx.strokeStyle = _strokeStyle.value;
          }
          if (this.style('stroke-width').hasValue()) {
            var newLineWidth = this.style('stroke-width').toPixels();
            ctx.lineWidth = newLineWidth === 0 ? 0.001 : newLineWidth; // browsers don't respect 0
          }
          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() && this.style('stroke-dasharray').value !== 'none') {
            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' && !(gaps.length === 1 && gaps[0] === 0)) {
              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', false, true).hasValue()) {
            var clip = this.style('clip-path', false, true).getDefinition();
            if (clip != null) clip.apply(ctx);
          }

          // opacity
          if (this.style('opacity').hasValue()) {
            ctx.globalAlpha = this.style('opacity').numValue();
          }
        }
      }]);
      return _class5;
    }(svg.Element.ElementBase);

    svg.Element.PathElementBase = function (_svg$Element$Rendered) {
      inherits(_class6, _svg$Element$Rendered);

      function _class6() {
        classCallCheck(this, _class6);
        return possibleConstructorReturn(this, (_class6.__proto__ || Object.getPrototypeOf(_class6)).apply(this, arguments));
      }

      createClass(_class6, [{
        key: 'path',
        value: function path(ctx) {
          if (ctx != null) ctx.beginPath();
          return new svg.BoundingBox();
        }
      }, {
        key: 'renderChildren',
        value: function renderChildren(ctx) {
          this.path(ctx);
          svg.Mouse.checkPath(this, ctx);
          if (ctx.fillStyle !== '') {
            if (this.style('fill-rule').valueOrDefault('inherit') !== 'inherit') {
              ctx.fill(this.style('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 _marker2 = this.style('marker-end').getDefinition();
              _marker2.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]);
            }
          }
        }
      }, {
        key: 'getBoundingBox',
        value: function getBoundingBox() {
          return this.path();
        }
      }, {
        key: 'getMarkers',
        value: function getMarkers() {
          return null;
        }
      }]);
      return _class6;
    }(svg.Element.RenderedElementBase);

    // svg element
    svg.Element.svg = function (_svg$Element$Rendered2) {
      inherits(_class7, _svg$Element$Rendered2);

      function _class7() {
        classCallCheck(this, _class7);
        return possibleConstructorReturn(this, (_class7.__proto__ || Object.getPrototypeOf(_class7)).apply(this, arguments));
      }

      createClass(_class7, [{
        key: 'clearContext',
        value: function clearContext(ctx) {
          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'clearContext', this).call(this, ctx);
          svg.ViewPort.RemoveCurrent();
        }
      }, {
        key: 'setContext',
        value: function setContext(ctx) {
          // initial values and defaults
          ctx.strokeStyle = 'rgba(0,0,0,0)';
          ctx.lineCap = 'butt';
          ctx.lineJoin = 'miter';
          ctx.miterLimit = 4;
          if (typeof ctx.font !== 'undefined' && typeof window.getComputedStyle !== 'undefined') {
            ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font');
          }

          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'setContext', this).call(this, 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');
            }

            if (this.attribute('overflow').valueOrDefault('hidden') !== 'visible') {
              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]);
          }
        }
      }]);
      return _class7;
    }(svg.Element.RenderedElementBase);

    // rect element
    svg.Element.rect = function (_svg$Element$PathElem) {
      inherits(_class8, _svg$Element$PathElem);

      function _class8() {
        classCallCheck(this, _class8);
        return possibleConstructorReturn(this, (_class8.__proto__ || Object.getPrototypeOf(_class8)).apply(this, arguments));
      }

      createClass(_class8, [{
        key: 'path',
        value: function path(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 / 2.0);
          ry = Math.min(ry, height / 2.0);
          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);
        }
      }]);
      return _class8;
    }(svg.Element.PathElementBase);

    // circle element
    svg.Element.circle = function (_svg$Element$PathElem2) {
      inherits(_class9, _svg$Element$PathElem2);

      function _class9() {
        classCallCheck(this, _class9);
        return possibleConstructorReturn(this, (_class9.__proto__ || Object.getPrototypeOf(_class9)).apply(this, arguments));
      }

      createClass(_class9, [{
        key: 'path',
        value: function path(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);
        }
      }]);
      return _class9;
    }(svg.Element.PathElementBase);

    // ellipse element
    var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
    svg.Element.ellipse = function (_svg$Element$PathElem3) {
      inherits(_class10, _svg$Element$PathElem3);

      function _class10() {
        classCallCheck(this, _class10);
        return possibleConstructorReturn(this, (_class10.__proto__ || Object.getPrototypeOf(_class10)).apply(this, arguments));
      }

      createClass(_class10, [{
        key: 'path',
        value: function path(ctx) {
          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);
        }
      }]);
      return _class10;
    }(svg.Element.PathElementBase);

    // line element
    svg.Element.line = function (_svg$Element$PathElem4) {
      inherits(_class11, _svg$Element$PathElem4);

      function _class11() {
        classCallCheck(this, _class11);
        return possibleConstructorReturn(this, (_class11.__proto__ || Object.getPrototypeOf(_class11)).apply(this, arguments));
      }

      createClass(_class11, [{
        key: 'getPoints',
        value: function getPoints() {
          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'))];
        }
      }, {
        key: 'path',
        value: function path(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);
        }
      }, {
        key: 'getMarkers',
        value: function getMarkers() {
          var points = this.getPoints();
          var a = points[0].angleTo(points[1]);
          return [[points[0], a], [points[1], a]];
        }
      }]);
      return _class11;
    }(svg.Element.PathElementBase);

    // polyline element
    svg.Element.polyline = function (_svg$Element$PathElem5) {
      inherits(_class12, _svg$Element$PathElem5);

      function _class12(node) {
        classCallCheck(this, _class12);

        var _this15 = possibleConstructorReturn(this, (_class12.__proto__ || Object.getPrototypeOf(_class12)).call(this, node));

        _this15.points = svg.CreatePath(_this15.attribute('points').value);
        return _this15;
      }

      createClass(_class12, [{
        key: 'path',
        value: function path(ctx) {
          var _points$ = this.points[0],
              x = _points$.x,
              y = _points$.y;

          var bb = new svg.BoundingBox(x, y);
          if (ctx != null) {
            ctx.beginPath();
            ctx.moveTo(x, y);
          }
          for (var i = 1; i < this.points.length; i++) {
            var _points$i = this.points[i],
                _x = _points$i.x,
                _y = _points$i.y;

            bb.addPoint(_x, _y);
            if (ctx != null) ctx.lineTo(_x, _y);
          }
          return bb;
        }
      }, {
        key: 'getMarkers',
        value: function getMarkers() {
          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;
        }
      }]);
      return _class12;
    }(svg.Element.PathElementBase);

    // polygon element
    svg.Element.polygon = function (_svg$Element$polyline) {
      inherits(_class13, _svg$Element$polyline);

      function _class13() {
        classCallCheck(this, _class13);
        return possibleConstructorReturn(this, (_class13.__proto__ || Object.getPrototypeOf(_class13)).apply(this, arguments));
      }

      createClass(_class13, [{
        key: 'path',
        value: function path(ctx) {
          var bb = get(_class13.prototype.__proto__ || Object.getPrototypeOf(_class13.prototype), 'path', this).call(this, ctx);
          if (ctx != null) {
            ctx.lineTo(this.points[0].x, this.points[0].y);
            ctx.closePath();
          }
          return bb;
        }
      }]);
      return _class13;
    }(svg.Element.polyline);

    // path element
    svg.Element.path = function (_svg$Element$PathElem6) {
      inherits(_class14, _svg$Element$PathElem6);

      function _class14(node) {
        classCallCheck(this, _class14);

        var _this17 = possibleConstructorReturn(this, (_class14.__proto__ || Object.getPrototypeOf(_class14)).call(this, node));

        var d = _this17.attribute('d').value
        // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
        .replace(/,/gm, ' ') // get rid of all commas
        .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
        .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
        .replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm, '$1 $2') // separate commands from points
        .replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from points
        .replace(/([0-9])([+-])/gm, '$1 $2') // separate digits when no comma
        .replace(/(\.[0-9]*)(\.)/gm, '$1 $2') // separate digits when no comma
        .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);
        _this17.PathParser = {
          tokens: d.split(' '),

          reset: function reset() {
            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 = [];
          },
          isEnd: function isEnd() {
            return this.i >= this.tokens.length - 1;
          },
          isCommandOrEnd: function isCommandOrEnd() {
            if (this.isEnd()) return true;
            return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
          },
          isRelativeCommand: function isRelativeCommand() {
            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;
            }
            return false;
          },
          getToken: function getToken() {
            this.i++;
            return this.tokens[this.i];
          },
          getScalar: function getScalar() {
            return parseFloat(this.getToken());
          },
          nextCommand: function nextCommand() {
            this.previousCommand = this.command;
            this.command = this.getToken();
          },
          getPoint: function getPoint() {
            var p = new svg.Point(this.getScalar(), this.getScalar());
            return this.makeAbsolute(p);
          },
          getAsControlPoint: function getAsControlPoint() {
            var p = this.getPoint();
            this.control = p;
            return p;
          },
          getAsCurrentPoint: function getAsCurrentPoint() {
            var p = this.getPoint();
            this.current = p;
            return p;
          },
          getReflectedControlPoint: function getReflectedControlPoint() {
            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;
          },
          makeAbsolute: function makeAbsolute(p) {
            if (this.isRelativeCommand()) {
              p.x += this.current.x;
              p.y += this.current.y;
            }
            return p;
          },
          addMarker: function addMarker(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));
          },
          addMarkerAngle: function addMarkerAngle(p, a) {
            this.points.push(p);
            this.angles.push(a);
          },
          getMarkerPoints: function getMarkerPoints() {
            return this.points;
          },
          getMarkerAngles: function getMarkerAngles() {
            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;
          }
        };
        return _this17;
      }

      createClass(_class14, [{
        key: 'path',
        value: function path(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 _p2 = pp.getAsCurrentPoint();
                  pp.addMarker(_p2, _c);
                  bb.addPoint(_p2.x, _p2.y);
                  if (ctx != null) ctx.lineTo(_p2.x, _p2.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 _p3 = pp.getReflectedControlPoint();
                  var _cntrl = pp.getAsControlPoint();
                  var _cp = pp.getAsCurrentPoint();
                  pp.addMarker(_cp, _cntrl, _p3);
                  bb.addBezierCurve(_curr.x, _curr.y, _p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                  if (ctx != null) ctx.bezierCurveTo(_p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                }
                break;
              case 'Q':
              case 'q':
                while (!pp.isCommandOrEnd()) {
                  var _curr2 = pp.current;
                  var _cntrl2 = pp.getAsControlPoint();
                  var _cp2 = pp.getAsCurrentPoint();
                  pp.addMarker(_cp2, _cntrl2, _cntrl2);
                  bb.addQuadraticCurve(_curr2.x, _curr2.y, _cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                  if (ctx != null) ctx.quadraticCurveTo(_cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                }
                break;
              case 'T':
              case 't':
                while (!pp.isCommandOrEnd()) {
                  var _curr3 = pp.current;
                  var _cntrl3 = pp.getReflectedControlPoint();
                  pp.control = _cntrl3;
                  var _cp3 = pp.getAsCurrentPoint();
                  pp.addMarker(_cp3, _cntrl3, _cntrl3);
                  bb.addQuadraticCurve(_curr3.x, _curr3.y, _cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                  if (ctx != null) ctx.quadraticCurveTo(_cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                }
                break;
              case 'A':
              case 'a':
                var _loop2 = function _loop2() {
                  var curr = pp.current;
                  var rx = pp.getScalar();
                  var ry = pp.getScalar();
                  var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
                  var largeArcFlag = pp.getScalar();
                  var sweepFlag = pp.getScalar();
                  var cp = pp.getAsCurrentPoint();

                  // Conversion from endpoint to center parameterization
                  // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter

                  // x1', y1'
                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0);
                  // 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) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y);
                  // vector magnitude
                  var m = function m(v) {
                    return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
                  };
                  // ratio between two vectors
                  var r = function r(u, v) {
                    return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v));
                  };
                  // angle between two vectors
                  var a = function a(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 ? 1.0 : -1.0;
                  var ah = a1 + dir * (ad / 2.0);
                  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);
                  }
                };

                while (!pp.isCommandOrEnd()) {
                  _loop2();
                }
                break;
              case 'Z':
              case 'z':
                if (ctx != null) ctx.closePath();
                pp.current = pp.start;
            }
          }

          return bb;
        }
      }, {
        key: 'getMarkers',
        value: function getMarkers() {
          var points = this.PathParser.getMarkerPoints();
          var angles = this.PathParser.getMarkerAngles();

          var markers = points.map(function (point, i) {
            return [point, angles[i]];
          });
          return markers;
        }
      }]);
      return _class14;
    }(svg.Element.PathElementBase);

    // pattern element
    svg.Element.pattern = function (_svg$Element$ElementB2) {
      inherits(_class15, _svg$Element$ElementB2);

      function _class15() {
        classCallCheck(this, _class15);
        return possibleConstructorReturn(this, (_class15.__proto__ || Object.getPrototypeOf(_class15)).apply(this, arguments));
      }

      createClass(_class15, [{
        key: 'createPattern',
        value: function createPattern(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;
        }
      }]);
      return _class15;
    }(svg.Element.ElementBase);

    // marker element
    svg.Element.marker = function (_svg$Element$ElementB3) {
      inherits(_class16, _svg$Element$ElementB3);

      function _class16() {
        classCallCheck(this, _class16);
        return possibleConstructorReturn(this, (_class16.__proto__ || Object.getPrototypeOf(_class16)).apply(this, arguments));
      }

      createClass(_class16, [{
        key: 'render',
        value: function render(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);
        }
      }]);
      return _class16;
    }(svg.Element.ElementBase);

    // definitions element
    svg.Element.defs = function (_svg$Element$ElementB4) {
      inherits(_class17, _svg$Element$ElementB4);

      function _class17() {
        classCallCheck(this, _class17);
        return possibleConstructorReturn(this, (_class17.__proto__ || Object.getPrototypeOf(_class17)).apply(this, arguments));
      }

      createClass(_class17, [{
        key: 'render',
        value: function render(ctx) {
          // NOOP
        }
      }]);
      return _class17;
    }(svg.Element.ElementBase);

    // base for gradients
    svg.Element.GradientBase = function (_svg$Element$ElementB5) {
      inherits(_class18, _svg$Element$ElementB5);

      function _class18(node) {
        classCallCheck(this, _class18);

        var _this21 = possibleConstructorReturn(this, (_class18.__proto__ || Object.getPrototypeOf(_class18)).call(this, node));

        _this21.gradientUnits = _this21.attribute('gradientUnits').valueOrDefault('objectBoundingBox');

        _this21.stops = [];
        _this21.children.forEach(function (child) {
          if (child.type === 'stop') {
            _this21.stops.push(child);
          }
        });
        return _this21;
      }

      createClass(_class18, [{
        key: 'getGradient',
        value: function getGradient() {
          // OVERRIDE ME!
        }
      }, {
        key: 'createGradient',
        value: function createGradient(ctx, element, parentOpacityProp) {
          var stopsContainer = this.getHrefAttribute().hasValue() ? this.getHrefAttribute().getDefinition() : this;

          var addParentOpacity = function addParentOpacity(color) {
            if (parentOpacityProp.hasValue()) {
              var p = new svg.Property('color', color);
              return p.addOpacity(parentOpacityProp).value;
            }
            return color;
          };

          var g = this.getGradient(ctx, element);
          if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color);
          stopsContainer.stops.forEach(function (_ref2) {
            var offset = _ref2.offset,
                color = _ref2.color;

            g.addColorStop(offset, addParentOpacity(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 / 3.0);
            rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS / 3.0);
            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 _c2 = document.createElement('canvas');
            _c2.width = rootView.width;
            _c2.height = rootView.height;
            var tempCtx = _c2.getContext('2d');
            tempCtx.fillStyle = g;
            tempSvg.render(tempCtx);
            return tempCtx.createPattern(_c2, 'no-repeat');
          }

          return g;
        }
      }]);
      return _class18;
    }(svg.Element.ElementBase);

    // linear gradient element
    svg.Element.linearGradient = function (_svg$Element$Gradient) {
      inherits(_class19, _svg$Element$Gradient);

      function _class19() {
        classCallCheck(this, _class19);
        return possibleConstructorReturn(this, (_class19.__proto__ || Object.getPrototypeOf(_class19)).apply(this, arguments));
      }

      createClass(_class19, [{
        key: 'getGradient',
        value: function getGradient(ctx, element) {
          var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
          var bb = useBB ? element.getBoundingBox() : null;

          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 = useBB ? bb.x() + bb.width() * this.attribute('x1').numValue() : this.attribute('x1').toPixels('x');
          var y1 = useBB ? bb.y() + bb.height() * this.attribute('y1').numValue() : this.attribute('y1').toPixels('y');
          var x2 = useBB ? bb.x() + bb.width() * this.attribute('x2').numValue() : this.attribute('x2').toPixels('x');
          var y2 = useBB ? 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);
        }
      }]);
      return _class19;
    }(svg.Element.GradientBase);

    // radial gradient element
    svg.Element.radialGradient = function (_svg$Element$Gradient2) {
      inherits(_class20, _svg$Element$Gradient2);

      function _class20() {
        classCallCheck(this, _class20);
        return possibleConstructorReturn(this, (_class20.__proto__ || Object.getPrototypeOf(_class20)).apply(this, arguments));
      }

      createClass(_class20, [{
        key: 'getGradient',
        value: function getGradient(ctx, element) {
          var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
          var bb = useBB ? element.getBoundingBox() : null;

          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 = useBB ? bb.x() + bb.width() * this.attribute('cx').numValue() : this.attribute('cx').toPixels('x');
          var cy = useBB ? 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 = useBB ? bb.x() + bb.width() * this.attribute('fx').numValue() : this.attribute('fx').toPixels('x');
          }
          if (this.attribute('fy').hasValue()) {
            fy = useBB ? bb.y() + bb.height() * this.attribute('fy').numValue() : this.attribute('fy').toPixels('y');
          }

          var r = useBB ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() : this.attribute('r').toPixels();

          return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
        }
      }]);
      return _class20;
    }(svg.Element.GradientBase);

    // gradient stop element
    svg.Element.stop = function (_svg$Element$ElementB6) {
      inherits(_class21, _svg$Element$ElementB6);

      function _class21(node) {
        classCallCheck(this, _class21);

        var _this24 = possibleConstructorReturn(this, (_class21.__proto__ || Object.getPrototypeOf(_class21)).call(this, node));

        _this24.offset = _this24.attribute('offset').numValue();
        if (_this24.offset < 0) _this24.offset = 0;
        if (_this24.offset > 1) _this24.offset = 1;

        var stopColor = _this24.style('stop-color');
        if (_this24.style('stop-opacity').hasValue()) {
          stopColor = stopColor.addOpacity(_this24.style('stop-opacity'));
        }
        _this24.color = stopColor.value;
        return _this24;
      }

      return _class21;
    }(svg.Element.ElementBase);

    // animation base element
    svg.Element.AnimateBase = function (_svg$Element$ElementB7) {
      inherits(_class22, _svg$Element$ElementB7);

      function _class22(node) {
        classCallCheck(this, _class22);

        var _this25 = possibleConstructorReturn(this, (_class22.__proto__ || Object.getPrototypeOf(_class22)).call(this, node));

        svg.Animations.push(_this25);

        _this25.duration = 0.0;
        _this25.begin = _this25.attribute('begin').toMilliseconds();
        _this25.maxDuration = _this25.begin + _this25.attribute('dur').toMilliseconds();

        _this25.initialValue = null;
        _this25.initialUnits = '';
        _this25.removed = false;

        _this25.from = _this25.attribute('from');
        _this25.to = _this25.attribute('to');
        _this25.values = _this25.attribute('values');
        if (_this25.values.hasValue()) _this25.values.value = _this25.values.value.split(';');
        return _this25;
      }

      createClass(_class22, [{
        key: 'getProperty',
        value: function getProperty() {
          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);
        }
      }, {
        key: 'calcValue',
        value: function calcValue() {
          // OVERRIDE ME!
          return '';
        }
      }, {
        key: 'update',
        value: function update(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 = 0.0;
            } else if (this.attribute('fill').valueOrDefault('remove') === 'freeze' && !this.frozen) {
              this.frozen = true;
              this.parent.animationFrozen = true;
              this.parent.animationFrozenValue = this.getProperty().value;
            } else if (this.attribute('fill').valueOrDefault('remove') === 'remove' && !this.removed) {
              this.removed = true;
              this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
              return true;
            }
            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;
        }

        // fraction of duration we've covered

      }, {
        key: 'progress',
        value: function progress() {
          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;
        }
      }]);
      return _class22;
    }(svg.Element.ElementBase);

    // animate element
    svg.Element.animate = function (_svg$Element$AnimateB) {
      inherits(_class23, _svg$Element$AnimateB);

      function _class23() {
        classCallCheck(this, _class23);
        return possibleConstructorReturn(this, (_class23.__proto__ || Object.getPrototypeOf(_class23)).apply(this, arguments));
      }

      createClass(_class23, [{
        key: 'calcValue',
        value: function calcValue() {
          var p = this.progress();

          // tween value linearly
          var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
          return newValue + this.initialUnits;
        }
      }]);
      return _class23;
    }(svg.Element.AnimateBase);

    // animate color element
    svg.Element.animateColor = function (_svg$Element$AnimateB2) {
      inherits(_class24, _svg$Element$AnimateB2);

      function _class24() {
        classCallCheck(this, _class24);
        return possibleConstructorReturn(this, (_class24.__proto__ || Object.getPrototypeOf(_class24)).apply(this, arguments));
      }

      createClass(_class24, [{
        key: 'calcValue',
        value: function calcValue() {
          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 _r2 = 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(_r2, 10) + ',' + parseInt(g, 10) + ',' + parseInt(_b, 10) + ')';
          }
          return this.attribute('from').value;
        }
      }]);
      return _class24;
    }(svg.Element.AnimateBase);

    // animate transform element
    svg.Element.animateTransform = function (_svg$Element$animate) {
      inherits(_class25, _svg$Element$animate);

      function _class25() {
        classCallCheck(this, _class25);
        return possibleConstructorReturn(this, (_class25.__proto__ || Object.getPrototypeOf(_class25)).apply(this, arguments));
      }

      createClass(_class25, [{
        key: 'calcValue',
        value: function calcValue() {
          var p = this.progress();

          // tween value linearly
          var from = svg.ToNumberArray(p.from.value);
          var to = svg.ToNumberArray(p.to.value);
          var newValue = '';
          from.forEach(function (fr, i) {
            newValue += fr + (to[i] - fr) * p.progress + ' ';
          });
          return newValue;
        }
      }]);
      return _class25;
    }(svg.Element.animate);

    // font element
    svg.Element.font = function (_svg$Element$ElementB8) {
      inherits(_class26, _svg$Element$ElementB8);

      function _class26(node) {
        classCallCheck(this, _class26);

        var _this29 = possibleConstructorReturn(this, (_class26.__proto__ || Object.getPrototypeOf(_class26)).call(this, node));

        _this29.horizAdvX = _this29.attribute('horiz-adv-x').numValue();

        _this29.isRTL = false;
        _this29.isArabic = false;
        _this29.fontFace = null;
        _this29.missingGlyph = null;
        _this29.glyphs = [];
        _this29.children.forEach(function (child) {
          if (child.type === 'font-face') {
            _this29.fontFace = child;
            if (child.style('font-family').hasValue()) {
              svg.Definitions[child.style('font-family').value] = _this29;
            }
          } else if (child.type === 'missing-glyph') {
            _this29.missingGlyph = child;
          } else if (child.type === 'glyph') {
            if (child.arabicForm !== '') {
              _this29.isRTL = true;
              _this29.isArabic = true;
              if (typeof _this29.glyphs[child.unicode] === 'undefined') {
                _this29.glyphs[child.unicode] = [];
              }
              _this29.glyphs[child.unicode][child.arabicForm] = child;
            } else {
              _this29.glyphs[child.unicode] = child;
            }
          }
        });
        return _this29;
      }

      return _class26;
    }(svg.Element.ElementBase);

    // font-face element
    svg.Element.fontface = function (_svg$Element$ElementB9) {
      inherits(_class27, _svg$Element$ElementB9);

      function _class27(node) {
        classCallCheck(this, _class27);

        var _this30 = possibleConstructorReturn(this, (_class27.__proto__ || Object.getPrototypeOf(_class27)).call(this, node));

        _this30.ascent = _this30.attribute('ascent').value;
        _this30.descent = _this30.attribute('descent').value;
        _this30.unitsPerEm = _this30.attribute('units-per-em').numValue();
        return _this30;
      }

      return _class27;
    }(svg.Element.ElementBase);

    // missing-glyph element
    svg.Element.missingglyph = function (_svg$Element$path) {
      inherits(_class28, _svg$Element$path);

      function _class28(node) {
        classCallCheck(this, _class28);

        var _this31 = possibleConstructorReturn(this, (_class28.__proto__ || Object.getPrototypeOf(_class28)).call(this, node));

        _this31.horizAdvX = 0;
        return _this31;
      }

      return _class28;
    }(svg.Element.path);

    // glyph element
    svg.Element.glyph = function (_svg$Element$path2) {
      inherits(_class29, _svg$Element$path2);

      function _class29(node) {
        classCallCheck(this, _class29);

        var _this32 = possibleConstructorReturn(this, (_class29.__proto__ || Object.getPrototypeOf(_class29)).call(this, node));

        _this32.horizAdvX = _this32.attribute('horiz-adv-x').numValue();
        _this32.unicode = _this32.attribute('unicode').value;
        _this32.arabicForm = _this32.attribute('arabic-form').value;
        return _this32;
      }

      return _class29;
    }(svg.Element.path);

    // text element
    svg.Element.text = function (_svg$Element$Rendered3) {
      inherits(_class30, _svg$Element$Rendered3);

      function _class30(node) {
        classCallCheck(this, _class30);
        return possibleConstructorReturn(this, (_class30.__proto__ || Object.getPrototypeOf(_class30)).call(this, node, true));
      }

      createClass(_class30, [{
        key: 'setContext',
        value: function setContext(ctx) {
          get(_class30.prototype.__proto__ || Object.getPrototypeOf(_class30.prototype), 'setContext', this).call(this, ctx);

          var textBaseline = this.style('dominant-baseline').toTextBaseline();
          if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
          if (textBaseline != null) ctx.textBaseline = textBaseline;
        }
      }, {
        key: 'getBoundingBox',
        value: function getBoundingBox() {
          var x = this.attribute('x').toPixels('x');
          var y = this.attribute('y').toPixels('y');
          var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
          return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
        }
      }, {
        key: 'renderChildren',
        value: function renderChildren(ctx) {
          var _this34 = this;

          this.x = this.attribute('x').toPixels('x');
          this.y = this.attribute('y').toPixels('y');
          this.x += this.getAnchorDelta(ctx, this, 0);
          this.children.forEach(function (child, i) {
            _this34.renderChild(ctx, _this34, i);
          });
        }
      }, {
        key: 'getAnchorDelta',
        value: function getAnchorDelta(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 / 2.0);
          }
          return 0;
        }
      }, {
        key: 'renderChild',
        value: function renderChild(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);
            if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
          } 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');
            if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').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);
          }
        }
      }]);
      return _class30;
    }(svg.Element.RenderedElementBase);

    // text base
    svg.Element.TextElementBase = function (_svg$Element$Rendered4) {
      inherits(_class31, _svg$Element$Rendered4);

      function _class31() {
        classCallCheck(this, _class31);
        return possibleConstructorReturn(this, (_class31.__proto__ || Object.getPrototypeOf(_class31)).apply(this, arguments));
      }

      createClass(_class31, [{
        key: 'getGlyph',
        value: function getGlyph(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;
        }
      }, {
        key: 'renderChildren',
        value: function renderChildren(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, 0.4, 1, 0, 0);
              glyph.render(ctx);
              if (fontStyle === 'italic') ctx.transform(1, 0, -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);
        }
      }, {
        key: 'getText',
        value: function getText() {
          // OVERRIDE ME
        }
      }, {
        key: 'measureTextRecursive',
        value: function measureTextRecursive(ctx) {
          var width = this.measureText(ctx);
          this.children.forEach(function (child) {
            width += child.measureTextRecursive(ctx);
          });
          return width;
        }
      }, {
        key: 'measureText',
        value: function measureText(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 _ctx$measureText = ctx.measureText(textToMeasure),
              width = _ctx$measureText.width;

          ctx.restore();
          return width;
        }
      }]);
      return _class31;
    }(svg.Element.RenderedElementBase);

    // tspan
    svg.Element.tspan = function (_svg$Element$TextElem) {
      inherits(_class32, _svg$Element$TextElem);

      function _class32(node) {
        classCallCheck(this, _class32);

        var _this36 = possibleConstructorReturn(this, (_class32.__proto__ || Object.getPrototypeOf(_class32)).call(this, node, true));

        _this36.text = node.nodeValue || node.text || '';
        return _this36;
      }

      createClass(_class32, [{
        key: 'getText',
        value: function getText() {
          return this.text;
        }
      }]);
      return _class32;
    }(svg.Element.TextElementBase);

    // tref
    svg.Element.tref = function (_svg$Element$TextElem2) {
      inherits(_class33, _svg$Element$TextElem2);

      function _class33() {
        classCallCheck(this, _class33);
        return possibleConstructorReturn(this, (_class33.__proto__ || Object.getPrototypeOf(_class33)).apply(this, arguments));
      }

      createClass(_class33, [{
        key: 'getText',
        value: function getText() {
          var element = this.getHrefAttribute().getDefinition();
          if (element != null) return element.children[0].getText();
        }
      }]);
      return _class33;
    }(svg.Element.TextElementBase);

    // a element
    svg.Element.a = function (_svg$Element$TextElem3) {
      inherits(_class34, _svg$Element$TextElem3);

      function _class34(node) {
        classCallCheck(this, _class34);

        var _this38 = possibleConstructorReturn(this, (_class34.__proto__ || Object.getPrototypeOf(_class34)).call(this, node));

        _this38.hasText = true;
        [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
          if (childNode.nodeType !== 3) {
            _this38.hasText = false;
          }
        });
        // this might contain text
        _this38.text = _this38.hasText ? node.childNodes[0].nodeValue : '';
        return _this38;
      }

      createClass(_class34, [{
        key: 'getText',
        value: function getText() {
          return this.text;
        }
      }, {
        key: 'renderChildren',
        value: function renderChildren(ctx) {
          if (this.hasText) {
            // render as text element
            get(_class34.prototype.__proto__ || Object.getPrototypeOf(_class34.prototype), 'renderChildren', this).call(this, 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);
          }
        }
      }, {
        key: 'onclick',
        value: function onclick() {
          window.open(this.getHrefAttribute().value);
        }
      }, {
        key: 'onmousemove',
        value: function onmousemove() {
          svg.ctx.canvas.style.cursor = 'pointer';
        }
      }]);
      return _class34;
    }(svg.Element.TextElementBase);

    // image element
    svg.Element.image = function (_svg$Element$Rendered5) {
      inherits(_class35, _svg$Element$Rendered5);

      function _class35(node) {
        classCallCheck(this, _class35);

        var _this39 = possibleConstructorReturn(this, (_class35.__proto__ || Object.getPrototypeOf(_class35)).call(this, node));

        var href = _this39.getHrefAttribute().value;
        if (href === '') {
          return possibleConstructorReturn(_this39);
        }
        _this39._isSvg = href.match(/\.svg$/);

        svg.Images.push(_this39);
        _this39.loaded = false;
        if (!_this39._isSvg) {
          _this39.img = document.createElement('img');
          if (svg.opts.useCORS === true) {
            _this39.img.crossOrigin = 'Anonymous';
          }
          var self = _this39;
          _this39.img.onload = function () {
            self.loaded = true;
          };
          _this39.img.onerror = function () {
            svg.log('ERROR: image "' + href + '" not found');
            self.loaded = true;
          };
          _this39.img.src = href;
        } else {
          svg.ajax(href, true).then(function (img) {
            _this39.img = img;
            _this39.loaded = true;
          });
        }
        return _this39;
      }

      createClass(_class35, [{
        key: 'renderChildren',
        value: function renderChildren(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 (this._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();
        }
      }, {
        key: 'getBoundingBox',
        value: function getBoundingBox() {
          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);
        }
      }]);
      return _class35;
    }(svg.Element.RenderedElementBase);

    // group element
    svg.Element.g = function (_svg$Element$Rendered6) {
      inherits(_class36, _svg$Element$Rendered6);

      function _class36() {
        classCallCheck(this, _class36);
        return possibleConstructorReturn(this, (_class36.__proto__ || Object.getPrototypeOf(_class36)).apply(this, arguments));
      }

      createClass(_class36, [{
        key: 'getBoundingBox',
        value: function getBoundingBox() {
          var bb = new svg.BoundingBox();
          this.children.forEach(function (child) {
            bb.addBoundingBox(child.getBoundingBox());
          });
          return bb;
        }
      }]);
      return _class36;
    }(svg.Element.RenderedElementBase);

    // symbol element
    svg.Element.symbol = function (_svg$Element$Rendered7) {
      inherits(_class37, _svg$Element$Rendered7);

      function _class37() {
        classCallCheck(this, _class37);
        return possibleConstructorReturn(this, (_class37.__proto__ || Object.getPrototypeOf(_class37)).apply(this, arguments));
      }

      createClass(_class37, [{
        key: 'render',
        value: function render(ctx) {
          // NO RENDER
        }
      }]);
      return _class37;
    }(svg.Element.RenderedElementBase);

    // style element
    svg.Element.style = function (_svg$Element$ElementB10) {
      inherits(_class38, _svg$Element$ElementB10);

      function _class38(node) {
        classCallCheck(this, _class38);

        // text, or spaces then CDATA
        var _this42 = possibleConstructorReturn(this, (_class38.__proto__ || Object.getPrototypeOf(_class38)).call(this, node));

        var css = '';
        [].concat(toConsumableArray(node.childNodes)).forEach(function (_ref3) {
          var nodeValue = _ref3.nodeValue;

          css += nodeValue;
        });
        css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
        css = svg.compressSpaces(css); // replace whitespace
        var cssDefs = css.split('}');
        cssDefs.forEach(function (cssDef) {
          if (svg.trim(cssDef) !== '') {
            var _cssDef$split = cssDef.split('{'),
                _cssDef$split2 = slicedToArray(_cssDef$split, 2),
                cssClasses = _cssDef$split2[0],
                cssProps = _cssDef$split2[1];

            cssClasses = cssClasses.split(',');
            cssProps = cssProps.split(';');
            cssClasses.forEach(function (cssClass) {
              cssClass = svg.trim(cssClass);
              if (cssClass !== '') {
                var props = {};
                cssProps.forEach(function (cssProp) {
                  var prop = cssProp.indexOf(':');
                  var name = cssProp.substr(0, prop);
                  var value = cssProp.substr(prop + 1, cssProp.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(',');
                  srcs.forEach(function (src) {
                    if (src.includes('format("svg")')) {
                      var urlStart = src.indexOf('url');
                      var urlEnd = src.indexOf(')', urlStart);
                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6);
                      // Can this ajax safely be converted to async?
                      var doc = svg.parseXml(svg.ajax(url));
                      var fonts = doc.getElementsByTagName('font');
                      [].concat(toConsumableArray(fonts)).forEach(function (font) {
                        font = svg.CreateElement(font);
                        svg.Definitions[fontFamily] = font;
                      });
                    }
                  });
                }
              }
            });
          }
        });
        return _this42;
      }

      return _class38;
    }(svg.Element.ElementBase);

    // use element
    svg.Element.use = function (_svg$Element$Rendered8) {
      inherits(_class39, _svg$Element$Rendered8);

      function _class39(node) {
        classCallCheck(this, _class39);

        var _this43 = possibleConstructorReturn(this, (_class39.__proto__ || Object.getPrototypeOf(_class39)).call(this, node));

        _this43._el = _this43.getHrefAttribute().getDefinition();
        return _this43;
      }

      createClass(_class39, [{
        key: 'setContext',
        value: function setContext(ctx) {
          get(_class39.prototype.__proto__ || Object.getPrototypeOf(_class39.prototype), 'setContext', this).call(this, 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'));
        }
      }, {
        key: 'path',
        value: function path(ctx) {
          var element = this._el;

          if (element != null) element.path(ctx);
        }
      }, {
        key: 'getBoundingBox',
        value: function getBoundingBox() {
          var element = this._el;

          if (element != null) return element.getBoundingBox();
        }
      }, {
        key: 'renderChildren',
        value: function renderChildren(ctx) {
          var element = this._el;

          if (element != null) {
            var tempSvg = element;
            if (element.type === 'symbol') {
              // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement)
              tempSvg = new svg.Element.svg();
              tempSvg.type = 'svg';
              tempSvg.attributes['viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value);
              tempSvg.attributes['preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value);
              tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
              tempSvg.children = element.children;
            }
            if (tempSvg.type === 'svg') {
              // if symbol or svg, inherit width/height from me
              if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
              if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
            }
            var oldParent = tempSvg.parent;
            tempSvg.parent = null;
            tempSvg.render(ctx);
            tempSvg.parent = oldParent;
          }
        }
      }]);
      return _class39;
    }(svg.Element.RenderedElementBase);

    // mask element
    svg.Element.mask = function (_svg$Element$ElementB11) {
      inherits(_class40, _svg$Element$ElementB11);

      function _class40() {
        classCallCheck(this, _class40);
        return possibleConstructorReturn(this, (_class40.__proto__ || Object.getPrototypeOf(_class40)).apply(this, arguments));
      }

      createClass(_class40, [{
        key: 'apply',
        value: function apply(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();
            this.children.forEach(function (child) {
              bb.addBoundingBox(child.getBoundingBox());
            });
            x = Math.floor(bb.x1);
            y = Math.floor(bb.y1);
            width = Math.floor(bb.width());
            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;
        }
      }, {
        key: 'render',
        value: function render(ctx) {
          // NO RENDER
        }
      }]);
      return _class40;
    }(svg.Element.ElementBase);

    // clip element
    svg.Element.clipPath = function (_svg$Element$ElementB12) {
      inherits(_class41, _svg$Element$ElementB12);

      function _class41() {
        classCallCheck(this, _class41);
        return possibleConstructorReturn(this, (_class41.__proto__ || Object.getPrototypeOf(_class41)).apply(this, arguments));
      }

      createClass(_class41, [{
        key: 'apply',
        value: function apply(ctx) {
          this.children.forEach(function (child) {
            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);
              }
            }
          });
        }
      }, {
        key: 'render',
        value: function render(ctx) {
          // NO RENDER
        }
      }]);
      return _class41;
    }(svg.Element.ElementBase);

    // filters
    svg.Element.filter = function (_svg$Element$ElementB13) {
      inherits(_class42, _svg$Element$ElementB13);

      function _class42() {
        classCallCheck(this, _class42);
        return possibleConstructorReturn(this, (_class42.__proto__ || Object.getPrototypeOf(_class42)).apply(this, arguments));
      }

      createClass(_class42, [{
        key: 'apply',
        value: function apply(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;
          this.children.forEach(function (child) {
            var efd = child.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
          this.children.forEach(function (child) {
            child.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;
        }
      }, {
        key: 'render',
        value: function render(ctx) {
          // NO RENDER
        }
      }]);
      return _class42;
    }(svg.Element.ElementBase);

    svg.Element.feMorphology = function (_svg$Element$ElementB14) {
      inherits(_class43, _svg$Element$ElementB14);

      function _class43() {
        classCallCheck(this, _class43);
        return possibleConstructorReturn(this, (_class43.__proto__ || Object.getPrototypeOf(_class43)).apply(this, arguments));
      }

      createClass(_class43, [{
        key: 'apply',
        value: function apply(ctx, x, y, width, height) {
          // TODO: implement
        }
      }]);
      return _class43;
    }(svg.Element.ElementBase);

    svg.Element.feComposite = function (_svg$Element$ElementB15) {
      inherits(_class44, _svg$Element$ElementB15);

      function _class44() {
        classCallCheck(this, _class44);
        return possibleConstructorReturn(this, (_class44.__proto__ || Object.getPrototypeOf(_class44)).apply(this, arguments));
      }

      createClass(_class44, [{
        key: 'apply',
        value: function apply(ctx, x, y, width, height) {
          // TODO: implement
        }
      }]);
      return _class44;
    }(svg.Element.ElementBase);

    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;
    }

    svg.Element.feColorMatrix = function (_svg$Element$ElementB16) {
      inherits(_class45, _svg$Element$ElementB16);

      function _class45(node) {
        classCallCheck(this, _class45);

        var _this49 = possibleConstructorReturn(this, (_class45.__proto__ || Object.getPrototypeOf(_class45)).call(this, node));

        var matrix = svg.ToNumberArray(_this49.attribute('values').value);
        switch (_this49.attribute('type').valueOrDefault('matrix')) {// https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
          case 'saturate':
            var s = matrix[0];
            matrix = [0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
            break;
          case 'hueRotate':
            var a = matrix[0] * Math.PI / 180.0;
            var _c3 = function _c3(m1, m2, m3) {
              return m1 + Math.cos(a) * m2 + Math.sin(a) * m3;
            };
            matrix = [_c3(0.213, 0.787, -0.213), _c3(0.715, -0.715, -0.715), _c3(0.072, -0.072, 0.928), 0, 0, _c3(0.213, -0.213, 0.143), _c3(0.715, 0.285, 0.140), _c3(0.072, -0.072, -0.283), 0, 0, _c3(0.213, -0.213, -0.787), _c3(0.715, -0.715, 0.715), _c3(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
            break;
          case 'luminanceToAlpha':
            matrix = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.2125, 0.7154, 0.0721, 0, 0, 0, 0, 0, 0, 1];
            break;
        }
        _this49.matrix = matrix;

        _this49._m = function (i, v) {
          var mi = matrix[i];
          return mi * (mi < 0 ? v - 255 : v);
        };
        return _this49;
      }

      createClass(_class45, [{
        key: 'apply',
        value: function apply(ctx, x, y, width, height) {
          var m = this._m;
          // assuming x==0 && y==0 for now

          var srcData = ctx.getImageData(0, 0, width, height);
          for (var _y2 = 0; _y2 < height; _y2++) {
            for (var _x2 = 0; _x2 < width; _x2++) {
              var _r3 = imGet(srcData.data, _x2, _y2, width, height, 0);
              var g = imGet(srcData.data, _x2, _y2, width, height, 1);
              var _b2 = imGet(srcData.data, _x2, _y2, width, height, 2);
              var a = imGet(srcData.data, _x2, _y2, width, height, 3);
              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, _r3) + m(1, g) + m(2, _b2) + m(3, a) + m(4, 1));
              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, _r3) + m(6, g) + m(7, _b2) + m(8, a) + m(9, 1));
              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, _r3) + m(11, g) + m(12, _b2) + m(13, a) + m(14, 1));
              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, _r3) + m(16, g) + m(17, _b2) + m(18, a) + m(19, 1));
            }
          }
          ctx.clearRect(0, 0, width, height);
          ctx.putImageData(srcData, 0, 0);
        }
      }]);
      return _class45;
    }(svg.Element.ElementBase);

    svg.Element.feGaussianBlur = function (_svg$Element$ElementB17) {
      inherits(_class46, _svg$Element$ElementB17);

      function _class46(node) {
        classCallCheck(this, _class46);

        var _this50 = possibleConstructorReturn(this, (_class46.__proto__ || Object.getPrototypeOf(_class46)).call(this, node));

        _this50.blurRadius = Math.floor(_this50.attribute('stdDeviation').numValue());
        _this50.extraFilterDistance = _this50.blurRadius;
        return _this50;
      }

      createClass(_class46, [{
        key: 'apply',
        value: function apply(ctx, x, y, width, height) {
          if (typeof canvasRGBA_ === 'undefined') {
            svg.log('ERROR: `setStackBlurCanvasRGBA` must be run for blur to work');
            return;
          }

          // Todo: This might not be a problem anymore with out `instanceof` fix
          // StackBlur requires canvas be on document
          ctx.canvas.id = svg.UniqueId();
          ctx.canvas.style.display = 'none';
          document.body.append(ctx.canvas);
          canvasRGBA_(ctx.canvas.id, x, y, width, height, this.blurRadius);
          ctx.canvas.remove();
        }
      }]);
      return _class46;
    }(svg.Element.ElementBase);

    // title element, do nothing
    svg.Element.title = function (_svg$Element$ElementB18) {
      inherits(_class47, _svg$Element$ElementB18);

      function _class47(node) {
        classCallCheck(this, _class47);
        return possibleConstructorReturn(this, (_class47.__proto__ || Object.getPrototypeOf(_class47)).call(this));
      }

      return _class47;
    }(svg.Element.ElementBase);

    // desc element, do nothing
    svg.Element.desc = function (_svg$Element$ElementB19) {
      inherits(_class48, _svg$Element$ElementB19);

      function _class48(node) {
        classCallCheck(this, _class48);
        return possibleConstructorReturn(this, (_class48.__proto__ || Object.getPrototypeOf(_class48)).call(this));
      }

      return _class48;
    }(svg.Element.ElementBase);

    svg.Element.MISSING = function (_svg$Element$ElementB20) {
      inherits(_class49, _svg$Element$ElementB20);

      function _class49(node) {
        classCallCheck(this, _class49);

        var _this53 = possibleConstructorReturn(this, (_class49.__proto__ || Object.getPrototypeOf(_class49)).call(this));

        svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
        return _this53;
      }

      return _class49;
    }(svg.Element.ElementBase);

    // element factory
    svg.CreateElement = function (node) {
      var className = node.nodeName.replace(/^[^:]+:/, '') // remove namespace
      .replace(/-/g, ''); // remove dashes
      var e = void 0;
      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 () {
      var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(ctx, url) {
        var dom;
        return regeneratorRuntime.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                _context.next = 2;
                return svg.ajax(url, true);

              case 2:
                dom = _context.sent;
                return _context.abrupt('return', svg.loadXml(ctx, dom));

              case 4:
              case 'end':
                return _context.stop();
            }
          }
        }, _callee, this);
      }));

      return function (_x3, _x4) {
        return _ref4.apply(this, arguments);
      };
    }();

    // load from xml
    svg.loadXml = function (ctx, xml) {
      return svg.loadXmlDoc(ctx, svg.parseXml(xml));
    };

    svg.loadXmlDoc = function (ctx, dom) {
      svg.init(ctx);

      var mapXY = function mapXY(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 args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];

          var _mapXY = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
              x = _mapXY.x,
              y = _mapXY.y;

          svg.Mouse.onclick(x, y);
        };
        ctx.canvas.onmousemove = function (e) {
          var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];

          var _mapXY2 = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
              x = _mapXY2.x,
              y = _mapXY2.y;

          svg.Mouse.onmousemove(x, y);
        };
      }

      var e = svg.CreateElement(dom.documentElement);
      e.root = true;

      // render loop
      var isFirstRender = true;
      var draw = function draw(resolve) {
        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 viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
          var xRatio = null,
              yRatio = null;

          if (svg.opts.scaleWidth != null) {
            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 (svg.opts.scaleHeight != null) {
            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;
            }
          }

          if (xRatio == null) {
            xRatio = yRatio;
          }
          if (yRatio == null) {
            yRatio = xRatio;
          }

          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;
          resolve(dom);
        }
      };

      var waitingForImages = true;
      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) {
          svg.Animations.forEach(function (animation) {
            needUpdate = needUpdate | animation.update(1000 / 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(); // run and clear our events
        }
      }, 1000 / svg.FRAMERATE);
      return new Promise(function (resolve, reject) {
        if (svg.ImagesLoaded()) {
          waitingForImages = false;
          draw(resolve);
        }
      });
    };

    svg.stop = function () {
      if (svg.intervalID) {
        clearInterval(svg.intervalID);
      }
    };

    svg.Mouse = {
      events: [],
      hasEvents: function hasEvents() {
        return this.events.length !== 0;
      },
      onclick: function onclick(x, y) {
        this.events.push({
          type: 'onclick', x: x, y: y,
          run: function run(e) {
            if (e.onclick) e.onclick();
          }
        });
      },
      onmousemove: function onmousemove(x, y) {
        this.events.push({
          type: 'onmousemove', x: x, y: y,
          run: function run(e) {
            if (e.onmousemove) e.onmousemove();
          }
        });
      },


      eventElements: [],

      checkPath: function checkPath(element, ctx) {
        var _this54 = this;

        this.events.forEach(function (_ref5, i) {
          var x = _ref5.x,
              y = _ref5.y;

          if (ctx.isPointInPath && ctx.isPointInPath(x, y)) {
            _this54.eventElements[i] = element;
          }
        });
      },
      checkBoundingBox: function checkBoundingBox(element, bb) {
        var _this55 = this;

        this.events.forEach(function (_ref6, i) {
          var x = _ref6.x,
              y = _ref6.y;

          if (bb.isPointInBox(x, y)) {
            _this55.eventElements[i] = element;
          }
        });
      },
      runEvents: function runEvents() {
        var _this56 = this;

        svg.ctx.canvas.style.cursor = '';

        this.events.forEach(function (e, i) {
          var element = _this56.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
      });
    };
  }

  /* globals jQuery */

  var extServer_opensave = {
    name: 'server_opensave',
    init: function () {
      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(_ref) {
        var decode64 = _ref.decode64,
            encode64 = _ref.encode64,
            importLocale = _ref.importLocale;
        var strings, svgEditor, $, svgCanvas, getFileNameFromTitle, xhtmlEscape, clientDownloadSupport, saveSvgAction, saveImgAction, cancelled, openSvgAction, importSvgAction, importImgAction, openSvgForm, importSvgForm, importImgForm, rebuildInput;
        return regeneratorRuntime.wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                rebuildInput = function rebuildInput(form) {
                  form.empty();
                  var inp = $('<input type="file" name="svg_file">').appendTo(form);

                  function submit() {
                    // This submits the form, which returns the file data using svgEditor.processFile()
                    form.submit();

                    rebuildInput(form);
                    $.process_cancel(strings.uploading, function () {
                      cancelled = true;
                      $('#dialog_box').hide();
                    });
                  }

                  if (form[0] === openSvgForm[0]) {
                    inp.change(function () {
                      // This takes care of the "are you sure" dialog box
                      svgEditor.openPrep(function (ok) {
                        if (!ok) {
                          rebuildInput(form);
                          return;
                        }
                        submit();
                      });
                    });
                  } else {
                    inp.change(function () {
                      // This submits the form, which returns the file data using svgEditor.processFile()
                      submit();
                    });
                  }
                };

                clientDownloadSupport = function clientDownloadSupport(filename, suffix, uri) {
                  var support = $('<a>')[0].download === '';
                  var a = void 0;
                  if (support) {
                    a = $('<a>hidden</a>').attr({
                      download: (filename || 'image') + suffix,
                      href: uri
                    }).css('display', 'none').appendTo('body');
                    a[0].click();
                    return true;
                  }
                };

                xhtmlEscape = function xhtmlEscape(str) {
                  return str.replace(/&(?!amp;)/g, '&amp;').replace(/"/g, '&quot;').replace(/</g, '&lt;'); // < is actually disallowed above anyways
                };

                getFileNameFromTitle = function getFileNameFromTitle() {
                  var title = svgCanvas.getDocumentTitle();
                  // We convert (to underscore) only those disallowed Win7 file name characters
                  return title.trim().replace(/[/\\:*?"<>|]/g, '_');
                };

                _context2.next = 6;
                return importLocale();

              case 6:
                strings = _context2.sent;
                svgEditor = this;
                $ = jQuery;
                svgCanvas = svgEditor.canvas;
                saveSvgAction = svgEditor.curConfig.extPath + 'filesave.php', saveImgAction = svgEditor.curConfig.extPath + 'filesave.php';
                // Create upload target (hidden iframe)

                cancelled = false;


                $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
                svgEditor.setCustomHandlers({
                  save: function save(win, data) {
                    var svg = '<?xml version="1.0" encoding="UTF-8"?>\n' + data,
                        // Firefox doesn't seem to know it is UTF-8 (no matter whether we use or skip the clientDownload code) despite the Content-Disposition header containing UTF-8, but adding the encoding works
                    filename = getFileNameFromTitle();

                    if (clientDownloadSupport(filename, '.svg', 'data:image/svg+xml;charset=UTF-8;base64,' + encode64(svg))) {
                      return;
                    }

                    $('<form>').attr({
                      method: 'post',
                      action: saveSvgAction,
                      target: 'output_frame'
                    }).append('<input type="hidden" name="output_svg" value="' + xhtmlEscape(svg) + '">').append('<input type="hidden" name="filename" value="' + xhtmlEscape(filename) + '">').appendTo('body').submit().remove();
                  },
                  exportPDF: function exportPDF(win, data) {
                    var filename = getFileNameFromTitle(),
                        datauri = data.output;
                    if (clientDownloadSupport(filename, '.pdf', datauri)) {
                      return;
                    }
                    $('<form>').attr({
                      method: 'post',
                      action: saveImgAction,
                      target: 'output_frame'
                    }).append('<input type="hidden" name="output_img" value="' + datauri + '">').append('<input type="hidden" name="mime" value="application/pdf">').append('<input type="hidden" name="filename" value="' + xhtmlEscape(filename) + '">').appendTo('body').submit().remove();
                  },

                  // Todo: Integrate this extension with a new built-in exportWindowType, "download"
                  exportImage: function () {
                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(win, data) {
                      var issues, mimeType, quality, c, datauri, pre, note, filename, suffix;
                      return regeneratorRuntime.wrap(function _callee$(_context) {
                        while (1) {
                          switch (_context.prev = _context.next) {
                            case 0:
                              issues = data.issues, mimeType = data.mimeType, quality = data.quality;


                              if (!$('#export_canvas').length) {
                                $('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
                              }
                              c = $('#export_canvas')[0];


                              c.width = svgCanvas.contentW;
                              c.height = svgCanvas.contentH;
                              _context.next = 7;
                              return canvg(c, data.svg);

                            case 7:
                              datauri = quality ? c.toDataURL(mimeType, quality) : c.toDataURL(mimeType);
                              // {uiStrings} = svgEditor;

                              // Check if there are issues

                              pre = void 0, note = '';

                              if (issues.length) {
                                pre = '\n \u2022 ';
                                note += '\n\n' + pre + issues.join(pre);
                              }

                              if (note.length) {
                                alert(note);
                              }

                              filename = getFileNameFromTitle();
                              suffix = '.' + data.type.toLowerCase();

                              if (!clientDownloadSupport(filename, suffix, datauri)) {
                                _context.next = 15;
                                break;
                              }

                              return _context.abrupt('return');

                            case 15:

                              $('<form>').attr({
                                method: 'post',
                                action: saveImgAction,
                                target: 'output_frame'
                              }).append('<input type="hidden" name="output_img" value="' + datauri + '">').append('<input type="hidden" name="mime" value="' + mimeType + '">').append('<input type="hidden" name="filename" value="' + xhtmlEscape(filename) + '">').appendTo('body').submit().remove();

                            case 16:
                            case 'end':
                              return _context.stop();
                          }
                        }
                      }, _callee, this);
                    }));

                    function exportImage(_x2, _x3) {
                      return _ref3.apply(this, arguments);
                    }

                    return exportImage;
                  }()
                });

                // Do nothing if client support is found

                if (!window.FileReader) {
                  _context2.next = 16;
                  break;
                }

                return _context2.abrupt('return');

              case 16:

                // Change these to appropriate script file
                openSvgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=load_svg';
                importSvgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=import_svg';
                importImgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=import_img';

                // Set up function for PHP uploader to use

                svgEditor.processFile = function (str64, type) {
                  var xmlstr = void 0;
                  if (cancelled) {
                    cancelled = false;
                    return;
                  }

                  $('#dialog_box').hide();

                  if (type !== 'import_img') {
                    xmlstr = decode64(str64);
                  }

                  switch (type) {
                    case 'load_svg':
                      svgCanvas.clear();
                      svgCanvas.setSvgString(xmlstr);
                      svgEditor.updateCanvas();
                      break;
                    case 'import_svg':
                      svgCanvas.importSvgString(xmlstr);
                      svgEditor.updateCanvas();
                      break;
                    case 'import_img':
                      svgCanvas.setGoodImage(str64);
                      break;
                  }
                };

                // Create upload form
                openSvgForm = $('<form>');

                openSvgForm.attr({
                  enctype: 'multipart/form-data',
                  method: 'post',
                  action: openSvgAction,
                  target: 'output_frame'
                });

                // Create import form
                importSvgForm = openSvgForm.clone().attr('action', importSvgAction);

                // Create image form

                importImgForm = openSvgForm.clone().attr('action', importImgAction);

                // It appears necessary to rebuild this input every time a file is
                // selected so the same file can be picked and the change event can fire.

                // Create the input elements
                rebuildInput(openSvgForm);
                rebuildInput(importSvgForm);
                rebuildInput(importImgForm);

                // Add forms to buttons
                $('#tool_open').show().prepend(openSvgForm);
                $('#tool_import').show().prepend(importSvgForm);
                $('#tool_image').prepend(importImgForm);

              case 30:
              case 'end':
                return _context2.stop();
            }
          }
        }, _callee2, this);
      }));

      function init(_x) {
        return _ref2.apply(this, arguments);
      }

      return init;
    }()
  };

  return extServer_opensave;

}());