import 'core-js/modules/es.promise.js';
import _asyncToGenerator from '@babel/runtime/helpers/asyncToGenerator';
import 'core-js/modules/es.string.match.js';
import 'core-js/modules/es.string.replace.js';
import 'core-js/modules/es.string.starts-with.js';
import 'core-js/modules/es.array.iterator.js';
import 'core-js/modules/web.dom-collections.iterator.js';
import _defineProperty from '@babel/runtime/helpers/defineProperty';
import 'core-js/modules/es.array.reduce.js';
import 'core-js/modules/es.string.ends-with.js';
import 'core-js/modules/es.string.split.js';
import requestAnimationFrame from 'raf';
import 'core-js/modules/es.string.trim.js';
import RGBColor from 'rgbcolor';
import 'core-js/modules/es.array.index-of.js';
import 'core-js/modules/es.string.includes.js';
import 'core-js/modules/es.array.reverse.js';
import { SVGPathData } from 'svg-pathdata';
import 'core-js/modules/es.regexp.to-string.js';
import { canvasRGBA } from 'stackblur-canvas';

/**
 * Options preset for `OffscreenCanvas`.
 * @param config - Preset requirements.
 * @param config.DOMParser - XML/HTML parser from string into DOM Document.
 * @returns Preset object.
 */
function offscreen() {
  var {
    DOMParser: DOMParserFallback
  } = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var preset = {
    window: null,
    ignoreAnimation: true,
    ignoreMouse: true,
    DOMParser: DOMParserFallback,

    createCanvas(width, height) {
      return new OffscreenCanvas(width, height);
    },

    createImage(url) {
      return _asyncToGenerator(function* () {
        var response = yield fetch(url);
        var blob = yield response.blob();
        var img = yield createImageBitmap(blob);
        return img;
      })();
    }

  };

  if (typeof DOMParser !== 'undefined' || typeof DOMParserFallback === 'undefined') {
    Reflect.deleteProperty(preset, 'DOMParser');
  }

  return preset;
}

/**
 * Options preset for `node-canvas`.
 * @param config - Preset requirements.
 * @param config.DOMParser - XML/HTML parser from string into DOM Document.
 * @param config.canvas - `node-canvas` exports.
 * @param config.fetch - WHATWG-compatible `fetch` function.
 * @returns Preset object.
 */
function node(_ref) {
  var {
    DOMParser,
    canvas,
    fetch
  } = _ref;
  return {
    window: null,
    ignoreAnimation: true,
    ignoreMouse: true,
    DOMParser,
    fetch,
    createCanvas: canvas.createCanvas,
    createImage: canvas.loadImage
  };
}

var index = /*#__PURE__*/Object.freeze({
	__proto__: null,
	offscreen: offscreen,
	node: node
});

/**
 * HTML-safe compress white-spaces.
 * @param str - String to compress.
 * @returns String.
 */
function compressSpaces(str) {
  return str.replace(/(?!\u3000)\s+/gm, ' ');
}
/**
 * HTML-safe left trim.
 * @param str - String to trim.
 * @returns String.
 */

function trimLeft(str) {
  return str.replace(/^[\n \t]+/, '');
}
/**
 * HTML-safe right trim.
 * @param str - String to trim.
 * @returns String.
 */

function trimRight(str) {
  return str.replace(/[\n \t]+$/, '');
}
/**
 * String to numbers array.
 * @param str - Numbers string.
 * @returns Numbers array.
 */

function toNumbers(str) {
  var matches = (str || '').match(/-?(\d+(?:\.\d*(?:[eE][+-]?\d+)?)?|\.\d+)(?=\D|$)/gm) || [];
  return matches.map(parseFloat);
} // Microsoft Edge fix

var allUppercase = /^[A-Z-]+$/;
/**
 * Normalize attribute name.
 * @param name - Attribute name.
 * @returns Normalized attribute name.
 */

function normalizeAttributeName(name) {
  if (allUppercase.test(name)) {
    return name.toLowerCase();
  }

  return name;
}
/**
 * Parse external URL.
 * @param url - CSS url string.
 * @returns Parsed URL.
 */

function parseExternalUrl(url) {
  //                      single quotes [2]
  //                      v         double quotes [3]
  //                      v         v         no quotes [4]
  //                      v         v         v
  var urlMatch = /url\(('([^']+)'|"([^"]+)"|([^'")]+))\)/.exec(url) || [];
  return urlMatch[2] || urlMatch[3] || urlMatch[4];
}
/**
 * Transform floats to integers in rgb colors.
 * @param color - Color to normalize.
 * @returns Normalized color.
 */

function normalizeColor(color) {
  if (!color.startsWith('rgb')) {
    return color;
  }

  var rgbParts = 3;
  var normalizedColor = color.replace(/\d+(\.\d+)?/g, (num, isFloat) => rgbParts-- && isFloat ? String(Math.round(parseFloat(num))) : num);
  return normalizedColor;
}

// slightly modified version of https://github.com/keeganstreet/specificity/blob/master/specificity.js
var attributeRegex = /(\[[^\]]+\])/g;
var idRegex = /(#[^\s+>~.[:]+)/g;
var classRegex = /(\.[^\s+>~.[:]+)/g;
var pseudoElementRegex = /(::[^\s+>~.[:]+|:first-line|:first-letter|:before|:after)/gi;
var pseudoClassWithBracketsRegex = /(:[\w-]+\([^)]*\))/gi;
var pseudoClassRegex = /(:[^\s+>~.[:]+)/g;
var elementRegex = /([^\s+>~.[:]+)/g;

function findSelectorMatch(selector, regex) {
  var matches = regex.exec(selector);

  if (!matches) {
    return [selector, 0];
  }

  return [selector.replace(regex, ' '), matches.length];
}
/**
 * Measure selector specificity.
 * @param selector - Selector to measure.
 * @returns Specificity.
 */


function getSelectorSpecificity(selector) {
  var specificity = [0, 0, 0];
  var currentSelector = selector.replace(/:not\(([^)]*)\)/g, '     $1 ').replace(/{[\s\S]*/gm, ' ');
  var delta = 0;
  [currentSelector, delta] = findSelectorMatch(currentSelector, attributeRegex);
  specificity[1] += delta;
  [currentSelector, delta] = findSelectorMatch(currentSelector, idRegex);
  specificity[0] += delta;
  [currentSelector, delta] = findSelectorMatch(currentSelector, classRegex);
  specificity[1] += delta;
  [currentSelector, delta] = findSelectorMatch(currentSelector, pseudoElementRegex);
  specificity[2] += delta;
  [currentSelector, delta] = findSelectorMatch(currentSelector, pseudoClassWithBracketsRegex);
  specificity[1] += delta;
  [currentSelector, delta] = findSelectorMatch(currentSelector, pseudoClassRegex);
  specificity[1] += delta;
  currentSelector = currentSelector.replace(/[*\s+>~]/g, ' ').replace(/[#.]/g, ' ');
  [currentSelector, delta] = findSelectorMatch(currentSelector, elementRegex); // lgtm [js/useless-assignment-to-local]

  specificity[2] += delta;
  return specificity.join('');
}

var PSEUDO_ZERO = .00000001;
/**
 * Vector magnitude.
 * @param v
 * @returns Number result.
 */

function vectorMagnitude(v) {
  return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
}
/**
 * Ratio between two vectors.
 * @param u
 * @param v
 * @returns Number result.
 */

function vectorsRatio(u, v) {
  return (u[0] * v[0] + u[1] * v[1]) / (vectorMagnitude(u) * vectorMagnitude(v));
}
/**
 * Angle between two vectors.
 * @param u
 * @param v
 * @returns Number result.
 */

function vectorsAngle(u, v) {
  return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(vectorsRatio(u, v));
}
function CB1(t) {
  return t * t * t;
}
function CB2(t) {
  return 3 * t * t * (1 - t);
}
function CB3(t) {
  return 3 * t * (1 - t) * (1 - t);
}
function CB4(t) {
  return (1 - t) * (1 - t) * (1 - t);
}
function QB1(t) {
  return t * t;
}
function QB2(t) {
  return 2 * t * (1 - t);
}
function QB3(t) {
  return (1 - t) * (1 - t);
}

class Property {
  constructor(document, name, value) {
    this.document = document;
    this.name = name;
    this.value = value;
    this.isNormalizedColor = false;
  }

  static empty(document) {
    return new Property(document, 'EMPTY', '');
  }

  split() {
    var separator = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ' ';
    var {
      document,
      name
    } = this;
    return compressSpaces(this.getString()).trim().split(separator).map(value => new Property(document, name, value));
  }

  hasValue(zeroIsValue) {
    var {
      value
    } = this;
    return value !== null && value !== '' && (zeroIsValue || value !== 0) && typeof value !== 'undefined';
  }

  isString(regexp) {
    var {
      value
    } = this;
    var result = typeof value === 'string';

    if (!result || !regexp) {
      return result;
    }

    return regexp.test(value);
  }

  isUrlDefinition() {
    return this.isString(/^url\(/);
  }

  isPixels() {
    if (!this.hasValue()) {
      return false;
    }

    var asString = this.getString();

    switch (true) {
      case asString.endsWith('px'):
      case /^[0-9]+$/.test(asString):
        return true;

      default:
        return false;
    }
  }

  setValue(value) {
    this.value = value;
    return this;
  }

  getValue(def) {
    if (typeof def === 'undefined' || this.hasValue()) {
      return this.value;
    }

    return def;
  }

  getNumber(def) {
    if (!this.hasValue()) {
      if (typeof def === 'undefined') {
        return 0;
      }

      return parseFloat(def);
    }

    var {
      value
    } = this;
    var n = parseFloat(value);

    if (this.isString(/%$/)) {
      n /= 100.0;
    }

    return n;
  }

  getString(def) {
    if (typeof def === 'undefined' || this.hasValue()) {
      return typeof this.value === 'undefined' ? '' : String(this.value);
    }

    return String(def);
  }

  getColor(def) {
    var color = this.getString(def);

    if (this.isNormalizedColor) {
      return color;
    }

    this.isNormalizedColor = true;
    color = normalizeColor(color);
    this.value = color;
    return color;
  }

  getDpi() {
    return 96.0; // TODO: compute?
  }

  getRem() {
    return this.document.rootEmSize;
  }

  getEm() {
    return this.document.emSize;
  }

  getUnits() {
    return this.getString().replace(/[0-9.-]/g, '');
  }

  getPixels(axisOrIsFontSize) {
    var processPercent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    if (!this.hasValue()) {
      return 0;
    }

    var [axis, isFontSize] = typeof axisOrIsFontSize === 'boolean' ? [undefined, axisOrIsFontSize] : [axisOrIsFontSize];
    var {
      viewPort
    } = this.document.screen;

    switch (true) {
      case this.isString(/vmin$/):
        return this.getNumber() / 100.0 * Math.min(viewPort.computeSize('x'), viewPort.computeSize('y'));

      case this.isString(/vmax$/):
        return this.getNumber() / 100.0 * Math.max(viewPort.computeSize('x'), viewPort.computeSize('y'));

      case this.isString(/vw$/):
        return this.getNumber() / 100.0 * viewPort.computeSize('x');

      case this.isString(/vh$/):
        return this.getNumber() / 100.0 * viewPort.computeSize('y');

      case this.isString(/rem$/):
        return this.getNumber() * this.getRem();

      case this.isString(/em$/):
        return this.getNumber() * this.getEm();

      case this.isString(/ex$/):
        return this.getNumber() * this.getEm() / 2.0;

      case this.isString(/px$/):
        return this.getNumber();

      case this.isString(/pt$/):
        return this.getNumber() * this.getDpi() * (1.0 / 72.0);

      case this.isString(/pc$/):
        return this.getNumber() * 15;

      case this.isString(/cm$/):
        return this.getNumber() * this.getDpi() / 2.54;

      case this.isString(/mm$/):
        return this.getNumber() * this.getDpi() / 25.4;

      case this.isString(/in$/):
        return this.getNumber() * this.getDpi();

      case this.isString(/%$/) && isFontSize:
        return this.getNumber() * this.getEm();

      case this.isString(/%$/):
        return this.getNumber() * viewPort.computeSize(axis);

      default:
        {
          var n = this.getNumber();

          if (processPercent && n < 1.0) {
            return n * viewPort.computeSize(axis);
          }

          return n;
        }
    }
  }

  getMilliseconds() {
    if (!this.hasValue()) {
      return 0;
    }

    if (this.isString(/ms$/)) {
      return this.getNumber();
    }

    return this.getNumber() * 1000;
  }

  getRadians() {
    if (!this.hasValue()) {
      return 0;
    }

    switch (true) {
      case this.isString(/deg$/):
        return this.getNumber() * (Math.PI / 180.0);

      case this.isString(/grad$/):
        return this.getNumber() * (Math.PI / 200.0);

      case this.isString(/rad$/):
        return this.getNumber();

      default:
        return this.getNumber() * (Math.PI / 180.0);
    }
  }

  getDefinition() {
    var asString = this.getString();
    var name = /#([^)'"]+)/.exec(asString);

    if (name) {
      name = name[1];
    }

    if (!name) {
      name = asString;
    }

    return this.document.definitions[name];
  }

  getFillStyleDefinition(element, opacity) {
    var def = this.getDefinition();

    if (!def) {
      return null;
    } // gradient


    if (typeof def.createGradient === 'function') {
      return def.createGradient(this.document.ctx, element, opacity);
    } // pattern


    if (typeof def.createPattern === 'function') {
      if (def.getHrefAttribute().hasValue()) {
        var patternTransform = def.getAttribute('patternTransform');
        def = def.getHrefAttribute().getDefinition();

        if (patternTransform.hasValue()) {
          def.getAttribute('patternTransform', true).setValue(patternTransform.value);
        }
      }

      return def.createPattern(this.document.ctx, element, opacity);
    }

    return null;
  }

  getTextBaseline() {
    if (!this.hasValue()) {
      return null;
    }

    return Property.textBaselineMapping[this.getString()];
  }

  addOpacity(opacity) {
    var value = this.getColor();
    var len = value.length;
    var commas = 0; // Simulate old RGBColor version, which can't parse rgba.

    for (var i = 0; i < len; i++) {
      if (value[i] === ',') {
        commas++;
      }

      if (commas === 3) {
        break;
      }
    }

    if (opacity.hasValue() && this.isString() && commas !== 3) {
      var color = new RGBColor(value);

      if (color.ok) {
        color.alpha = opacity.getNumber();
        value = color.toRGBA();
      }
    }

    return new Property(this.document, this.name, value);
  }

}
Property.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'
};

class ViewPort {
  constructor() {
    this.viewPorts = [];
  }

  clear() {
    this.viewPorts = [];
  }

  setCurrent(width, height) {
    this.viewPorts.push({
      width,
      height
    });
  }

  removeCurrent() {
    this.viewPorts.pop();
  }

  getCurrent() {
    var {
      viewPorts
    } = this;
    return viewPorts[viewPorts.length - 1];
  }

  get width() {
    return this.getCurrent().width;
  }

  get height() {
    return this.getCurrent().height;
  }

  computeSize(d) {
    if (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);
  }

}

class Point {
  constructor(x, y) {
    this.x = x;
    this.y = y;
  }

  static parse(point) {
    var defaultValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
    var [x = defaultValue, y = defaultValue] = toNumbers(point);
    return new Point(x, y);
  }

  static parseScale(scale) {
    var defaultValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
    var [x = defaultValue, y = x] = toNumbers(scale);
    return new Point(x, y);
  }

  static parsePath(path) {
    var points = toNumbers(path);
    var len = points.length;
    var pathPoints = [];

    for (var i = 0; i < len; i += 2) {
      pathPoints.push(new Point(points[i], points[i + 1]));
    }

    return pathPoints;
  }

  angleTo(point) {
    return Math.atan2(point.y - this.y, point.x - this.x);
  }

  applyTransform(transform) {
    var {
      x,
      y
    } = this;
    var xp = x * transform[0] + y * transform[2] + transform[4];
    var yp = x * transform[1] + y * transform[3] + transform[5];
    this.x = xp;
    this.y = yp;
  }

}

class Mouse {
  constructor(screen) {
    this.screen = screen;
    this.working = false;
    this.events = [];
    this.eventElements = []; // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment

    this.onClick = this.onClick.bind(this); // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment

    this.onMouseMove = this.onMouseMove.bind(this);
  }

  isWorking() {
    return this.working;
  }

  start() {
    if (this.working) {
      return;
    }

    var {
      screen,
      onClick,
      onMouseMove
    } = this;
    var canvas = screen.ctx.canvas;
    canvas.onclick = onClick;
    canvas.onmousemove = onMouseMove;
    this.working = true;
  }

  stop() {
    if (!this.working) {
      return;
    }

    var canvas = this.screen.ctx.canvas;
    this.working = false;
    canvas.onclick = null;
    canvas.onmousemove = null;
  }

  hasEvents() {
    return this.working && this.events.length > 0;
  }

  runEvents() {
    if (!this.working) {
      return;
    }

    var {
      screen: document,
      events,
      eventElements
    } = this;
    var {
      style
    } = document.ctx.canvas;

    if (style) {
      style.cursor = '';
    }

    events.forEach((_ref, i) => {
      var {
        run
      } = _ref;
      var element = eventElements[i];

      while (element) {
        run(element);
        element = element.parent;
      }
    }); // done running, clear

    this.events = [];
    this.eventElements = [];
  }

  checkPath(element, ctx) {
    if (!this.working || !ctx) {
      return;
    }

    var {
      events,
      eventElements
    } = this;
    events.forEach((_ref2, i) => {
      var {
        x,
        y
      } = _ref2;

      if (!eventElements[i] && ctx.isPointInPath && ctx.isPointInPath(x, y)) {
        eventElements[i] = element;
      }
    });
  }

  checkBoundingBox(element, boundingBox) {
    if (!this.working || !boundingBox) {
      return;
    }

    var {
      events,
      eventElements
    } = this;
    events.forEach((_ref3, i) => {
      var {
        x,
        y
      } = _ref3;

      if (!eventElements[i] && boundingBox.isPointInBox(x, y)) {
        eventElements[i] = element;
      }
    });
  }

  mapXY(x, y) {
    var {
      window,
      ctx
    } = this.screen;
    var point = new Point(x, y);
    var element = ctx.canvas;

    while (element) {
      point.x -= element.offsetLeft;
      point.y -= element.offsetTop;
      element = element.offsetParent;
    }

    if (window.scrollX) {
      point.x += window.scrollX;
    }

    if (window.scrollY) {
      point.y += window.scrollY;
    }

    return point;
  }

  onClick(event) {
    var {
      x,
      y
    } = this.mapXY(event.clientX, event.clientY);
    this.events.push({
      type: 'onclick',
      x,
      y,

      run(eventTarget) {
        if (eventTarget.onClick) {
          eventTarget.onClick();
        }
      }

    });
  }

  onMouseMove(event) {
    var {
      x,
      y
    } = this.mapXY(event.clientX, event.clientY);
    this.events.push({
      type: 'onmousemove',
      x,
      y,

      run(eventTarget) {
        if (eventTarget.onMouseMove) {
          eventTarget.onMouseMove();
        }
      }

    });
  }

}

var defaultWindow = typeof window !== 'undefined' ? window : null;
var defaultFetch$1 = typeof fetch !== 'undefined' ? fetch.bind(undefined) // `fetch` depends on context: `someObject.fetch(...)` will throw error.
: null;
class Screen {
  constructor(ctx) {
    var {
      fetch = defaultFetch$1,
      window = defaultWindow
    } = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    this.ctx = ctx;
    this.FRAMERATE = 30;
    this.MAX_VIRTUAL_PIXELS = 30000;
    this.CLIENT_WIDTH = 800;
    this.CLIENT_HEIGHT = 600;
    this.viewPort = new ViewPort();
    this.mouse = new Mouse(this);
    this.animations = [];
    this.waits = [];
    this.frameDuration = 0;
    this.isReadyLock = false;
    this.isFirstRender = true;
    this.intervalId = null;
    this.window = window;
    this.fetch = fetch;
  }

  wait(checker) {
    this.waits.push(checker);
  }

  ready() {
    // eslint-disable-next-line @typescript-eslint/no-misused-promises
    if (!this.readyPromise) {
      return Promise.resolve();
    }

    return this.readyPromise;
  }

  isReady() {
    if (this.isReadyLock) {
      return true;
    }

    var isReadyLock = this.waits.every(_ => _());

    if (isReadyLock) {
      this.waits = [];

      if (this.resolveReady) {
        this.resolveReady();
      }
    }

    this.isReadyLock = isReadyLock;
    return isReadyLock;
  }

  setDefaults(ctx) {
    // initial values and defaults
    ctx.strokeStyle = 'rgba(0,0,0,0)';
    ctx.lineCap = 'butt';
    ctx.lineJoin = 'miter';
    ctx.miterLimit = 4;
  }

  setViewBox(_ref) {
    var {
      document,
      ctx,
      aspectRatio,
      width,
      desiredWidth,
      height,
      desiredHeight,
      minX = 0,
      minY = 0,
      refX,
      refY,
      clip = false,
      clipX = 0,
      clipY = 0
    } = _ref;
    // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
    var cleanAspectRatio = compressSpaces(aspectRatio).replace(/^defer\s/, ''); // ignore defer

    var [aspectRatioAlign, aspectRatioMeetOrSlice] = cleanAspectRatio.split(' ');
    var align = aspectRatioAlign || 'xMidYMid';
    var meetOrSlice = aspectRatioMeetOrSlice || 'meet'; // calculate scale

    var scaleX = width / desiredWidth;
    var scaleY = height / desiredHeight;
    var scaleMin = Math.min(scaleX, scaleY);
    var scaleMax = Math.max(scaleX, scaleY);
    var finalDesiredWidth = desiredWidth;
    var finalDesiredHeight = desiredHeight;

    if (meetOrSlice === 'meet') {
      finalDesiredWidth *= scaleMin;
      finalDesiredHeight *= scaleMin;
    }

    if (meetOrSlice === 'slice') {
      finalDesiredWidth *= scaleMax;
      finalDesiredHeight *= scaleMax;
    }

    var refXProp = new Property(document, 'refX', refX);
    var refYProp = new Property(document, 'refY', refY);
    var hasRefs = refXProp.hasValue() && refYProp.hasValue();

    if (hasRefs) {
      ctx.translate(-scaleMin * refXProp.getPixels('x'), -scaleMin * refYProp.getPixels('y'));
    }

    if (clip) {
      var scaledClipX = scaleMin * clipX;
      var scaledClipY = scaleMin * clipY;
      ctx.beginPath();
      ctx.moveTo(scaledClipX, scaledClipY);
      ctx.lineTo(width, scaledClipY);
      ctx.lineTo(width, height);
      ctx.lineTo(scaledClipX, height);
      ctx.closePath();
      ctx.clip();
    }

    if (!hasRefs) {
      var isMeetMinY = meetOrSlice === 'meet' && scaleMin === scaleY;
      var isSliceMaxY = meetOrSlice === 'slice' && scaleMax === scaleY;
      var isMeetMinX = meetOrSlice === 'meet' && scaleMin === scaleX;
      var isSliceMaxX = meetOrSlice === 'slice' && scaleMax === scaleX;

      if (align.startsWith('xMid') && (isMeetMinY || isSliceMaxY)) {
        ctx.translate(width / 2.0 - finalDesiredWidth / 2.0, 0);
      }

      if (align.endsWith('YMid') && (isMeetMinX || isSliceMaxX)) {
        ctx.translate(0, height / 2.0 - finalDesiredHeight / 2.0);
      }

      if (align.startsWith('xMax') && (isMeetMinY || isSliceMaxY)) {
        ctx.translate(width - finalDesiredWidth, 0);
      }

      if (align.endsWith('YMax') && (isMeetMinX || isSliceMaxX)) {
        ctx.translate(0, height - finalDesiredHeight);
      }
    } // scale


    switch (true) {
      case align === 'none':
        ctx.scale(scaleX, scaleY);
        break;

      case meetOrSlice === 'meet':
        ctx.scale(scaleMin, scaleMin);
        break;

      case meetOrSlice === 'slice':
        ctx.scale(scaleMax, scaleMax);
        break;
    } // translate


    ctx.translate(-minX, -minY);
  }

  start(element) {
    var {
      enableRedraw = false,
      ignoreMouse = false,
      ignoreAnimation = false,
      ignoreDimensions = false,
      ignoreClear = false,
      forceRedraw,
      scaleWidth,
      scaleHeight,
      offsetX,
      offsetY
    } = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var {
      FRAMERATE,
      mouse
    } = this;
    var frameDuration = 1000 / FRAMERATE;
    this.frameDuration = frameDuration;
    this.readyPromise = new Promise(resolve => {
      this.resolveReady = resolve;
    });

    if (this.isReady()) {
      this.render(element, ignoreDimensions, ignoreClear, scaleWidth, scaleHeight, offsetX, offsetY);
    }

    if (!enableRedraw) {
      return;
    }

    var now = Date.now();
    var then = now;
    var delta = 0;

    var tick = () => {
      now = Date.now();
      delta = now - then;

      if (delta >= frameDuration) {
        then = now - delta % frameDuration;

        if (this.shouldUpdate(ignoreAnimation, forceRedraw)) {
          this.render(element, ignoreDimensions, ignoreClear, scaleWidth, scaleHeight, offsetX, offsetY);
          mouse.runEvents();
        }
      }

      this.intervalId = requestAnimationFrame(tick);
    };

    if (!ignoreMouse) {
      mouse.start();
    }

    this.intervalId = requestAnimationFrame(tick);
  }

  stop() {
    if (this.intervalId) {
      requestAnimationFrame.cancel(this.intervalId);
      this.intervalId = null;
    }

    this.mouse.stop();
  }

  shouldUpdate(ignoreAnimation, forceRedraw) {
    // need update from animations?
    if (!ignoreAnimation) {
      var {
        frameDuration
      } = this;
      var shouldUpdate = this.animations.reduce((shouldUpdate, animation) => animation.update(frameDuration) || shouldUpdate, false);

      if (shouldUpdate) {
        return true;
      }
    } // need update from redraw?


    if (typeof forceRedraw === 'function' && forceRedraw()) {
      return true;
    }

    if (!this.isReadyLock && this.isReady()) {
      return true;
    } // need update from mouse events?


    if (this.mouse.hasEvents()) {
      return true;
    }

    return false;
  }

  render(element, ignoreDimensions, ignoreClear, scaleWidth, scaleHeight, offsetX, offsetY) {
    var {
      CLIENT_WIDTH,
      CLIENT_HEIGHT,
      viewPort,
      ctx,
      isFirstRender
    } = this;
    var canvas = ctx.canvas;
    viewPort.clear();

    if (canvas.width && canvas.height) {
      viewPort.setCurrent(canvas.width, canvas.height);
    } else {
      viewPort.setCurrent(CLIENT_WIDTH, CLIENT_HEIGHT);
    }

    var widthStyle = element.getStyle('width');
    var heightStyle = element.getStyle('height');

    if (!ignoreDimensions && (isFirstRender || typeof scaleWidth !== 'number' && typeof scaleHeight !== 'number')) {
      // set canvas size
      if (widthStyle.hasValue()) {
        canvas.width = widthStyle.getPixels('x');

        if (canvas.style) {
          canvas.style.width = "".concat(canvas.width, "px");
        }
      }

      if (heightStyle.hasValue()) {
        canvas.height = heightStyle.getPixels('y');

        if (canvas.style) {
          canvas.style.height = "".concat(canvas.height, "px");
        }
      }
    }

    var cWidth = canvas.clientWidth || canvas.width;
    var cHeight = canvas.clientHeight || canvas.height;

    if (ignoreDimensions && widthStyle.hasValue() && heightStyle.hasValue()) {
      cWidth = widthStyle.getPixels('x');
      cHeight = heightStyle.getPixels('y');
    }

    viewPort.setCurrent(cWidth, cHeight);

    if (typeof offsetX === 'number') {
      element.getAttribute('x', true).setValue(offsetX);
    }

    if (typeof offsetY === 'number') {
      element.getAttribute('y', true).setValue(offsetY);
    }

    if (typeof scaleWidth === 'number' || typeof scaleHeight === 'number') {
      var viewBox = toNumbers(element.getAttribute('viewBox').getString());
      var xRatio = 0;
      var yRatio = 0;

      if (typeof scaleWidth === 'number') {
        var _widthStyle = element.getStyle('width');

        if (_widthStyle.hasValue()) {
          xRatio = _widthStyle.getPixels('x') / scaleWidth;
        } else if (!isNaN(viewBox[2])) {
          xRatio = viewBox[2] / scaleWidth;
        }
      }

      if (typeof scaleHeight === 'number') {
        var _heightStyle = element.getStyle('height');

        if (_heightStyle.hasValue()) {
          yRatio = _heightStyle.getPixels('y') / scaleHeight;
        } else if (!isNaN(viewBox[3])) {
          yRatio = viewBox[3] / scaleHeight;
        }
      }

      if (!xRatio) {
        xRatio = yRatio;
      }

      if (!yRatio) {
        yRatio = xRatio;
      }

      element.getAttribute('width', true).setValue(scaleWidth);
      element.getAttribute('height', true).setValue(scaleHeight);
      var transformStyle = element.getStyle('transform', true, true);
      transformStyle.setValue("".concat(transformStyle.getString(), " scale(").concat(1.0 / xRatio, ", ").concat(1.0 / yRatio, ")"));
    } // clear and render


    if (!ignoreClear) {
      ctx.clearRect(0, 0, cWidth, cHeight);
    }

    element.render(ctx);

    if (isFirstRender) {
      this.isFirstRender = false;
    }
  }

}
Screen.defaultWindow = defaultWindow;
Screen.defaultFetch = defaultFetch$1;

var {
  defaultFetch
} = Screen;
var DefaultDOMParser = typeof DOMParser !== 'undefined' ? DOMParser : null;
class Parser {
  constructor() {
    var {
      fetch = defaultFetch,
      DOMParser = DefaultDOMParser
    } = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    this.fetch = fetch;
    this.DOMParser = DOMParser;
  }

  parse(resource) {
    var _this = this;

    return _asyncToGenerator(function* () {
      if (resource.startsWith('<')) {
        return _this.parseFromString(resource);
      }

      return _this.load(resource);
    })();
  }

  parseFromString(xml) {
    var parser = new this.DOMParser();

    try {
      return this.checkDocument(parser.parseFromString(xml, 'image/svg+xml'));
    } catch (err) {
      return this.checkDocument(parser.parseFromString(xml, 'text/xml'));
    }
  }

  checkDocument(document) {
    var parserError = document.getElementsByTagName('parsererror')[0];

    if (parserError) {
      throw new Error(parserError.textContent);
    }

    return document;
  }

  load(url) {
    var _this2 = this;

    return _asyncToGenerator(function* () {
      var response = yield _this2.fetch(url);
      var xml = yield response.text();
      return _this2.parseFromString(xml);
    })();
  }

}

class Translate {
  constructor(_, point) {
    this.type = 'translate';
    this.point = null;
    this.point = Point.parse(point);
  }

  apply(ctx) {
    var {
      x,
      y
    } = this.point;
    ctx.translate(x || 0.0, y || 0.0);
  }

  unapply(ctx) {
    var {
      x,
      y
    } = this.point;
    ctx.translate(-1.0 * x || 0.0, -1.0 * y || 0.0);
  }

  applyToPoint(point) {
    var {
      x,
      y
    } = this.point;
    point.applyTransform([1, 0, 0, 1, x || 0.0, y || 0.0]);
  }

}

class Rotate {
  constructor(document, rotate, transformOrigin) {
    this.type = 'rotate';
    this.angle = null;
    this.originX = null;
    this.originY = null;
    this.cx = 0;
    this.cy = 0;
    var numbers = toNumbers(rotate);
    this.angle = new Property(document, 'angle', numbers[0]);
    this.originX = transformOrigin[0];
    this.originY = transformOrigin[1];
    this.cx = numbers[1] || 0;
    this.cy = numbers[2] || 0;
  }

  apply(ctx) {
    var {
      cx,
      cy,
      originX,
      originY,
      angle
    } = this;
    var tx = cx + originX.getPixels('x');
    var ty = cy + originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.rotate(angle.getRadians());
    ctx.translate(-tx, -ty);
  }

  unapply(ctx) {
    var {
      cx,
      cy,
      originX,
      originY,
      angle
    } = this;
    var tx = cx + originX.getPixels('x');
    var ty = cy + originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.rotate(-1.0 * angle.getRadians());
    ctx.translate(-tx, -ty);
  }

  applyToPoint(point) {
    var {
      cx,
      cy,
      angle
    } = this;
    var rad = angle.getRadians();
    point.applyTransform([1, 0, 0, 1, cx || 0.0, cy || 0.0 // this.p.y
    ]);
    point.applyTransform([Math.cos(rad), Math.sin(rad), -Math.sin(rad), Math.cos(rad), 0, 0]);
    point.applyTransform([1, 0, 0, 1, -cx || 0.0, -cy || 0.0 // -this.p.y
    ]);
  }

}

class Scale {
  constructor(_, scale, transformOrigin) {
    this.type = 'scale';
    this.scale = null;
    this.originX = null;
    this.originY = null;
    var scaleSize = Point.parseScale(scale); // Workaround for node-canvas

    if (scaleSize.x === 0 || scaleSize.y === 0) {
      scaleSize.x = PSEUDO_ZERO;
      scaleSize.y = PSEUDO_ZERO;
    }

    this.scale = scaleSize;
    this.originX = transformOrigin[0];
    this.originY = transformOrigin[1];
  }

  apply(ctx) {
    var {
      scale: {
        x,
        y
      },
      originX,
      originY
    } = this;
    var tx = originX.getPixels('x');
    var ty = originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.scale(x, y || x);
    ctx.translate(-tx, -ty);
  }

  unapply(ctx) {
    var {
      scale: {
        x,
        y
      },
      originX,
      originY
    } = this;
    var tx = originX.getPixels('x');
    var ty = originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.scale(1.0 / x, 1.0 / y || x);
    ctx.translate(-tx, -ty);
  }

  applyToPoint(point) {
    var {
      x,
      y
    } = this.scale;
    point.applyTransform([x || 0.0, 0, 0, y || 0.0, 0, 0]);
  }

}

class Matrix {
  constructor(_, matrix, transformOrigin) {
    this.type = 'matrix';
    this.matrix = [];
    this.originX = null;
    this.originY = null;
    this.matrix = toNumbers(matrix);
    this.originX = transformOrigin[0];
    this.originY = transformOrigin[1];
  }

  apply(ctx) {
    var {
      originX,
      originY,
      matrix
    } = this;
    var tx = originX.getPixels('x');
    var ty = originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
    ctx.translate(-tx, -ty);
  }

  unapply(ctx) {
    var {
      originX,
      originY,
      matrix
    } = this;
    var a = matrix[0];
    var b = matrix[2];
    var c = matrix[4];
    var d = matrix[1];
    var e = matrix[3];
    var f = matrix[5];
    var g = 0.0;
    var h = 0.0;
    var i = 1.0;
    var det = 1 / (a * (e * i - f * h) - b * (d * i - f * g) + c * (d * h - e * g));
    var tx = originX.getPixels('x');
    var ty = originY.getPixels('y');
    ctx.translate(tx, ty);
    ctx.transform(det * (e * i - f * h), det * (f * g - d * i), det * (c * h - b * i), det * (a * i - c * g), det * (b * f - c * e), det * (c * d - a * f));
    ctx.translate(-tx, -ty);
  }

  applyToPoint(point) {
    point.applyTransform(this.matrix);
  }

}

class Skew extends Matrix {
  constructor(document, skew, transformOrigin) {
    super(document, skew, transformOrigin);
    this.type = 'skew';
    this.angle = null;
    this.angle = new Property(document, 'angle', skew);
  }

}

class SkewX extends Skew {
  constructor(document, skew, transformOrigin) {
    super(document, skew, transformOrigin);
    this.type = 'skewX';
    this.matrix = [1, 0, Math.tan(this.angle.getRadians()), 1, 0, 0];
  }

}

class SkewY extends Skew {
  constructor(document, skew, transformOrigin) {
    super(document, skew, transformOrigin);
    this.type = 'skewY';
    this.matrix = [1, Math.tan(this.angle.getRadians()), 0, 1, 0, 0];
  }

}

function parseTransforms(transform) {
  return compressSpaces(transform).trim().replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g, ') ').split(/\s(?=[a-z])/);
}

function parseTransform(transform) {
  var [type, value] = transform.split('(');
  return [type.trim(), value.trim().replace(')', '')];
}

class Transform {
  constructor(document, transform, transformOrigin) {
    this.document = document;
    this.transforms = [];
    var data = parseTransforms(transform);
    data.forEach(transform => {
      if (transform === 'none') {
        return;
      }

      var [type, value] = parseTransform(transform);
      var TransformType = Transform.transformTypes[type];

      if (typeof TransformType !== 'undefined') {
        this.transforms.push(new TransformType(this.document, value, transformOrigin));
      }
    });
  }

  static fromElement(document, element) {
    var transformStyle = element.getStyle('transform', false, true);
    var [transformOriginXProperty, transformOriginYProperty = transformOriginXProperty] = element.getStyle('transform-origin', false, true).split();
    var transformOrigin = [transformOriginXProperty, transformOriginYProperty];

    if (transformStyle.hasValue()) {
      return new Transform(document, transformStyle.getString(), transformOrigin);
    }

    return null;
  }

  apply(ctx) {
    var {
      transforms
    } = this;
    var len = transforms.length;

    for (var i = 0; i < len; i++) {
      transforms[i].apply(ctx);
    }
  }

  unapply(ctx) {
    var {
      transforms
    } = this;
    var len = transforms.length;

    for (var i = len - 1; i >= 0; i--) {
      transforms[i].unapply(ctx);
    }
  } // TODO: applyToPoint unused ... remove?


  applyToPoint(point) {
    var {
      transforms
    } = this;
    var len = transforms.length;

    for (var i = 0; i < len; i++) {
      transforms[i].applyToPoint(point);
    }
  }

}
Transform.transformTypes = {
  translate: Translate,
  rotate: Rotate,
  scale: Scale,
  matrix: Matrix,
  skewX: SkewX,
  skewY: SkewY
};

class Element {
  constructor(document, node) {
    var captureTextNodes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    this.document = document;
    this.node = node;
    this.captureTextNodes = captureTextNodes;
    this.attributes = Object.create(null);
    this.styles = Object.create(null);
    this.stylesSpecificity = Object.create(null);
    this.animationFrozen = false;
    this.animationFrozenValue = '';
    this.parent = null;
    this.children = [];

    if (!node || node.nodeType !== 1) {
      // ELEMENT_NODE
      return;
    } // add attributes


    Array.from(node.attributes).forEach(attribute => {
      var nodeName = normalizeAttributeName(attribute.nodeName);
      this.attributes[nodeName] = new Property(document, nodeName, attribute.value);
    });
    this.addStylesFromStyleDefinition(); // add inline styles

    if (this.getAttribute('style').hasValue()) {
      var styles = this.getAttribute('style').getString().split(';').map(_ => _.trim());
      styles.forEach(style => {
        if (!style) {
          return;
        }

        var [name, value] = style.split(':').map(_ => _.trim());
        this.styles[name] = new Property(document, name, value);
      });
    }

    var {
      definitions
    } = document;
    var id = this.getAttribute('id'); // add id

    if (id.hasValue()) {
      if (!definitions[id.getString()]) {
        definitions[id.getString()] = this;
      }
    }

    Array.from(node.childNodes).forEach(childNode => {
      if (childNode.nodeType === 1) {
        this.addChild(childNode); // ELEMENT_NODE
      } else if (captureTextNodes && (childNode.nodeType === 3 || childNode.nodeType === 4)) {
        var textNode = document.createTextNode(childNode);

        if (textNode.getText().length > 0) {
          this.addChild(textNode); // TEXT_NODE
        }
      }
    });
  }

  getAttribute(name) {
    var createIfNotExists = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
    var attr = this.attributes[name];

    if (!attr && createIfNotExists) {
      var _attr = new Property(this.document, name, '');

      this.attributes[name] = _attr;
      return _attr;
    }

    return attr || Property.empty(this.document);
  }

  getHrefAttribute() {
    for (var key in this.attributes) {
      if (key === 'href' || key.endsWith(':href')) {
        return this.attributes[key];
      }
    }

    return Property.empty(this.document);
  }

  getStyle(name) {
    var createIfNotExists = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
    var skipAncestors = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    var style = this.styles[name];

    if (style) {
      return style;
    }

    var attr = this.getAttribute(name);

    if (attr !== null && attr !== void 0 && attr.hasValue()) {
      this.styles[name] = attr; // move up to me to cache

      return attr;
    }

    if (!skipAncestors) {
      var {
        parent
      } = this;

      if (parent) {
        var parentStyle = parent.getStyle(name);

        if (parentStyle !== null && parentStyle !== void 0 && parentStyle.hasValue()) {
          return parentStyle;
        }
      }
    }

    if (createIfNotExists) {
      var _style = new Property(this.document, name, '');

      this.styles[name] = _style;
      return _style;
    }

    return style || Property.empty(this.document);
  }

  render(ctx) {
    // don't render display=none
    // don't render visibility=hidden
    if (this.getStyle('display').getString() === 'none' || this.getStyle('visibility').getString() === 'hidden') {
      return;
    }

    ctx.save();

    if (this.getStyle('mask').hasValue()) {
      // mask
      var mask = this.getStyle('mask').getDefinition();

      if (mask) {
        this.applyEffects(ctx);
        mask.apply(ctx, this);
      }
    } else if (this.getStyle('filter').getValue('none') !== 'none') {
      // filter
      var filter = this.getStyle('filter').getDefinition();

      if (filter) {
        this.applyEffects(ctx);
        filter.apply(ctx, this);
      }
    } else {
      this.setContext(ctx);
      this.renderChildren(ctx);
      this.clearContext(ctx);
    }

    ctx.restore();
  }

  setContext(_) {// NO RENDER
  }

  applyEffects(ctx) {
    // transform
    var transform = Transform.fromElement(this.document, this);

    if (transform) {
      transform.apply(ctx);
    } // clip


    var clipPathStyleProp = this.getStyle('clip-path', false, true);

    if (clipPathStyleProp.hasValue()) {
      var clip = clipPathStyleProp.getDefinition();

      if (clip) {
        clip.apply(ctx);
      }
    }
  }

  clearContext(_) {// NO RENDER
  }

  renderChildren(ctx) {
    this.children.forEach(child => {
      child.render(ctx);
    });
  }

  addChild(childNode) {
    var child = childNode instanceof Element ? childNode : this.document.createElement(childNode);
    child.parent = this;

    if (!Element.ignoreChildTypes.includes(child.type)) {
      this.children.push(child);
    }
  }

  matchesSelector(selector) {
    var _node$getAttribute;

    var {
      node
    } = this;

    if (typeof node.matches === 'function') {
      return node.matches(selector);
    }

    var styleClasses = (_node$getAttribute = node.getAttribute) === null || _node$getAttribute === void 0 ? void 0 : _node$getAttribute.call(node, 'class');

    if (!styleClasses || styleClasses === '') {
      return false;
    }

    return styleClasses.split(' ').some(styleClass => ".".concat(styleClass) === selector);
  }

  addStylesFromStyleDefinition() {
    var {
      styles,
      stylesSpecificity
    } = this.document;

    for (var selector in styles) {
      if (!selector.startsWith('@') && this.matchesSelector(selector)) {
        var style = styles[selector];
        var specificity = stylesSpecificity[selector];

        if (style) {
          for (var name in style) {
            var existingSpecificity = this.stylesSpecificity[name];

            if (typeof existingSpecificity === 'undefined') {
              existingSpecificity = '000';
            }

            if (specificity >= existingSpecificity) {
              this.styles[name] = style[name];
              this.stylesSpecificity[name] = specificity;
            }
          }
        }
      }
    }
  }

  removeStyles(element, ignoreStyles) {
    var toRestore = ignoreStyles.reduce((toRestore, name) => {
      var styleProp = element.getStyle(name);

      if (!styleProp.hasValue()) {
        return toRestore;
      }

      var value = styleProp.getString();
      styleProp.setValue('');
      return [...toRestore, [name, value]];
    }, []);
    return toRestore;
  }

  restoreStyles(element, styles) {
    styles.forEach(_ref => {
      var [name, value] = _ref;
      element.getStyle(name, true).setValue(value);
    });
  }

  isFirstChild() {
    var _this$parent;

    return ((_this$parent = this.parent) === null || _this$parent === void 0 ? void 0 : _this$parent.children.indexOf(this)) === 0;
  }

}
Element.ignoreChildTypes = ['title'];

class UnknownElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
  }

}

function wrapFontFamily(fontFamily) {
  var trimmed = fontFamily.trim();
  return /^('|")/.test(trimmed) ? trimmed : "\"".concat(trimmed, "\"");
}

function prepareFontFamily(fontFamily) {
  return typeof process === 'undefined' ? fontFamily : fontFamily.trim().split(',').map(wrapFontFamily).join(',');
}
/**
 * https://developer.mozilla.org/en-US/docs/Web/CSS/font-style
 * @param fontStyle
 * @returns CSS font style.
 */


function prepareFontStyle(fontStyle) {
  if (!fontStyle) {
    return '';
  }

  var targetFontStyle = fontStyle.trim().toLowerCase();

  switch (targetFontStyle) {
    case 'normal':
    case 'italic':
    case 'oblique':
    case 'inherit':
    case 'initial':
    case 'unset':
      return targetFontStyle;

    default:
      if (/^oblique\s+(-|)\d+deg$/.test(targetFontStyle)) {
        return targetFontStyle;
      }

      return '';
  }
}
/**
 * https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight
 * @param fontWeight
 * @returns CSS font weight.
 */


function prepareFontWeight(fontWeight) {
  if (!fontWeight) {
    return '';
  }

  var targetFontWeight = fontWeight.trim().toLowerCase();

  switch (targetFontWeight) {
    case 'normal':
    case 'bold':
    case 'lighter':
    case 'bolder':
    case 'inherit':
    case 'initial':
    case 'unset':
      return targetFontWeight;

    default:
      if (/^[\d.]+$/.test(targetFontWeight)) {
        return targetFontWeight;
      }

      return '';
  }
}

class Font {
  constructor(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
    var inheritFont = inherit ? typeof inherit === 'string' ? Font.parse(inherit) : inherit : {};
    this.fontFamily = fontFamily || inheritFont.fontFamily;
    this.fontSize = fontSize || inheritFont.fontSize;
    this.fontStyle = fontStyle || inheritFont.fontStyle;
    this.fontWeight = fontWeight || inheritFont.fontWeight;
    this.fontVariant = fontVariant || inheritFont.fontVariant;
  }

  static parse() {
    var font = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
    var inherit = arguments.length > 1 ? arguments[1] : undefined;
    var fontStyle = '';
    var fontVariant = '';
    var fontWeight = '';
    var fontSize = '';
    var fontFamily = '';
    var parts = compressSpaces(font).trim().split(' ');
    var set = {
      fontSize: false,
      fontStyle: false,
      fontWeight: false,
      fontVariant: false
    };
    parts.forEach(part => {
      switch (true) {
        case !set.fontStyle && Font.styles.includes(part):
          if (part !== 'inherit') {
            fontStyle = part;
          }

          set.fontStyle = true;
          break;

        case !set.fontVariant && Font.variants.includes(part):
          if (part !== 'inherit') {
            fontVariant = part;
          }

          set.fontStyle = true;
          set.fontVariant = true;
          break;

        case !set.fontWeight && Font.weights.includes(part):
          if (part !== 'inherit') {
            fontWeight = part;
          }

          set.fontStyle = true;
          set.fontVariant = true;
          set.fontWeight = true;
          break;

        case !set.fontSize:
          if (part !== 'inherit') {
            [fontSize] = part.split('/');
          }

          set.fontStyle = true;
          set.fontVariant = true;
          set.fontWeight = true;
          set.fontSize = true;
          break;

        default:
          if (part !== 'inherit') {
            fontFamily += part;
          }

      }
    });
    return new Font(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit);
  }

  toString() {
    return [prepareFontStyle(this.fontStyle), this.fontVariant, prepareFontWeight(this.fontWeight), this.fontSize, // Wrap fontFamily only on nodejs and only for canvas.ctx
    prepareFontFamily(this.fontFamily)].join(' ').trim();
  }

}
Font.styles = 'normal|italic|oblique|inherit';
Font.variants = 'normal|small-caps|inherit';
Font.weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit';

class BoundingBox {
  constructor() {
    var x1 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Number.NaN;
    var y1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : Number.NaN;
    var x2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : Number.NaN;
    var y2 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : Number.NaN;
    this.x1 = x1;
    this.y1 = y1;
    this.x2 = x2;
    this.y2 = y2;
    this.addPoint(x1, y1);
    this.addPoint(x2, y2);
  }

  get x() {
    return this.x1;
  }

  get y() {
    return this.y1;
  }

  get width() {
    return this.x2 - this.x1;
  }

  get height() {
    return this.y2 - this.y1;
  }

  addPoint(x, y) {
    if (typeof x !== 'undefined') {
      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 (typeof y !== 'undefined') {
      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;
      }
    }
  }

  addX(x) {
    this.addPoint(x, null);
  }

  addY(y) {
    this.addPoint(null, y);
  }

  addBoundingBox(boundingBox) {
    if (!boundingBox) {
      return;
    }

    var {
      x1,
      y1,
      x2,
      y2
    } = boundingBox;
    this.addPoint(x1, y1);
    this.addPoint(x2, y2);
  }

  sumCubic(t, p0, p1, p2, p3) {
    return Math.pow(1 - t, 3) * p0 + 3 * Math.pow(1 - t, 2) * t * p1 + 3 * (1 - t) * Math.pow(t, 2) * p2 + Math.pow(t, 3) * p3;
  }

  bezierCurveAdd(forX, p0, p1, p2, p3) {
    var b = 6 * p0 - 12 * p1 + 6 * p2;
    var a = -3 * p0 + 9 * p1 - 9 * p2 + 3 * p3;
    var c = 3 * p1 - 3 * p0;

    if (a === 0) {
      if (b === 0) {
        return;
      }

      var t = -c / b;

      if (0 < t && t < 1) {
        if (forX) {
          this.addX(this.sumCubic(t, p0, p1, p2, p3));
        } else {
          this.addY(this.sumCubic(t, p0, p1, p2, p3));
        }
      }

      return;
    }

    var b2ac = Math.pow(b, 2) - 4 * c * a;

    if (b2ac < 0) {
      return;
    }

    var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);

    if (0 < t1 && t1 < 1) {
      if (forX) {
        this.addX(this.sumCubic(t1, p0, p1, p2, p3));
      } else {
        this.addY(this.sumCubic(t1, p0, p1, p2, p3));
      }
    }

    var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);

    if (0 < t2 && t2 < 1) {
      if (forX) {
        this.addX(this.sumCubic(t2, p0, p1, p2, p3));
      } else {
        this.addY(this.sumCubic(t2, p0, p1, p2, p3));
      }
    }
  } // from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html


  addBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
    this.addPoint(p0x, p0y);
    this.addPoint(p3x, p3y);
    this.bezierCurveAdd(true, p0x, p1x, p2x, p3x);
    this.bezierCurveAdd(false, p0y, p1y, p2y, p3y);
  }

  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);
  }

  isPointInBox(x, y) {
    var {
      x1,
      y1,
      x2,
      y2
    } = this;
    return x1 <= x && x <= x2 && y1 <= y && y <= y2;
  }

}

class PathParser extends SVGPathData {
  constructor(path) {
    super(path // Fix spaces after signs.
    .replace(/([+\-.])\s+/gm, '$1') // Remove invalid part.
    .replace(/[^MmZzLlHhVvCcSsQqTtAae\d\s.,+-].*/g, ''));
    this.control = null;
    this.start = null;
    this.current = null;
    this.command = null;
    this.commands = this.commands;
    this.i = -1;
    this.previousCommand = null;
    this.points = [];
    this.angles = [];
  }

  reset() {
    this.i = -1;
    this.command = null;
    this.previousCommand = null;
    this.start = new Point(0, 0);
    this.control = new Point(0, 0);
    this.current = new Point(0, 0);
    this.points = [];
    this.angles = [];
  }

  isEnd() {
    var {
      i,
      commands
    } = this;
    return i >= commands.length - 1;
  }

  next() {
    var command = this.commands[++this.i];
    this.previousCommand = this.command;
    this.command = command;
    return command;
  }

  getPoint() {
    var xProp = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'x';
    var yProp = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'y';
    var point = new Point(this.command[xProp], this.command[yProp]);
    return this.makeAbsolute(point);
  }

  getAsControlPoint(xProp, yProp) {
    var point = this.getPoint(xProp, yProp);
    this.control = point;
    return point;
  }

  getAsCurrentPoint(xProp, yProp) {
    var point = this.getPoint(xProp, yProp);
    this.current = point;
    return point;
  }

  getReflectedControlPoint() {
    var previousCommand = this.previousCommand.type;

    if (previousCommand !== SVGPathData.CURVE_TO && previousCommand !== SVGPathData.SMOOTH_CURVE_TO && previousCommand !== SVGPathData.QUAD_TO && previousCommand !== SVGPathData.SMOOTH_QUAD_TO) {
      return this.current;
    } // reflect point


    var {
      current: {
        x: cx,
        y: cy
      },
      control: {
        x: ox,
        y: oy
      }
    } = this;
    var point = new Point(2 * cx - ox, 2 * cy - oy);
    return point;
  }

  makeAbsolute(point) {
    if (this.command.relative) {
      var {
        x,
        y
      } = this.current;
      point.x += x;
      point.y += y;
    }

    return point;
  }

  addMarker(point, from, priorTo) {
    var {
      points,
      angles
    } = this; // if the last angle isn't filled in because we didn't have this point yet ...

    if (priorTo && angles.length > 0 && !angles[angles.length - 1]) {
      angles[angles.length - 1] = points[points.length - 1].angleTo(priorTo);
    }

    this.addMarkerAngle(point, from ? from.angleTo(point) : null);
  }

  addMarkerAngle(point, angle) {
    this.points.push(point);
    this.angles.push(angle);
  }

  getMarkerPoints() {
    return this.points;
  }

  getMarkerAngles() {
    var {
      angles
    } = this;
    var len = angles.length;

    for (var i = 0; i < len; i++) {
      if (!angles[i]) {
        for (var j = i + 1; j < len; j++) {
          if (angles[j]) {
            angles[i] = angles[j];
            break;
          }
        }
      }
    }

    return angles;
  }

}

class RenderedElement extends Element {
  constructor() {
    super(...arguments);
    this.modifiedEmSizeStack = false;
  }

  calculateOpacity() {
    var opacity = 1.0; // eslint-disable-next-line @typescript-eslint/no-this-alias, consistent-this

    var element = this;

    while (element) {
      var opacityStyle = element.getStyle('opacity', false, true); // no ancestors on style call

      if (opacityStyle.hasValue(true)) {
        opacity *= opacityStyle.getNumber();
      }

      element = element.parent;
    }

    return opacity;
  }

  setContext(ctx) {
    var fromMeasure = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    if (!fromMeasure) {
      // causes stack overflow when measuring text with gradients
      // fill
      var fillStyleProp = this.getStyle('fill');
      var fillOpacityStyleProp = this.getStyle('fill-opacity');
      var strokeStyleProp = this.getStyle('stroke');
      var strokeOpacityProp = this.getStyle('stroke-opacity');

      if (fillStyleProp.isUrlDefinition()) {
        var fillStyle = fillStyleProp.getFillStyleDefinition(this, fillOpacityStyleProp);

        if (fillStyle) {
          ctx.fillStyle = fillStyle;
        }
      } else if (fillStyleProp.hasValue()) {
        if (fillStyleProp.getString() === 'currentColor') {
          fillStyleProp.setValue(this.getStyle('color').getColor());
        }

        var _fillStyle = fillStyleProp.getColor();

        if (_fillStyle !== 'inherit') {
          ctx.fillStyle = _fillStyle === 'none' ? 'rgba(0,0,0,0)' : _fillStyle;
        }
      }

      if (fillOpacityStyleProp.hasValue()) {
        var _fillStyle2 = new Property(this.document, 'fill', ctx.fillStyle).addOpacity(fillOpacityStyleProp).getColor();

        ctx.fillStyle = _fillStyle2;
      } // stroke


      if (strokeStyleProp.isUrlDefinition()) {
        var strokeStyle = strokeStyleProp.getFillStyleDefinition(this, strokeOpacityProp);

        if (strokeStyle) {
          ctx.strokeStyle = strokeStyle;
        }
      } else if (strokeStyleProp.hasValue()) {
        if (strokeStyleProp.getString() === 'currentColor') {
          strokeStyleProp.setValue(this.getStyle('color').getColor());
        }

        var _strokeStyle = strokeStyleProp.getString();

        if (_strokeStyle !== 'inherit') {
          ctx.strokeStyle = _strokeStyle === 'none' ? 'rgba(0,0,0,0)' : _strokeStyle;
        }
      }

      if (strokeOpacityProp.hasValue()) {
        var _strokeStyle2 = new Property(this.document, 'stroke', ctx.strokeStyle).addOpacity(strokeOpacityProp).getString();

        ctx.strokeStyle = _strokeStyle2;
      }

      var strokeWidthStyleProp = this.getStyle('stroke-width');

      if (strokeWidthStyleProp.hasValue()) {
        var newLineWidth = strokeWidthStyleProp.getPixels();
        ctx.lineWidth = !newLineWidth ? PSEUDO_ZERO // browsers don't respect 0 (or node-canvas? :-)
        : newLineWidth;
      }

      var strokeLinecapStyleProp = this.getStyle('stroke-linecap');
      var strokeLinejoinStyleProp = this.getStyle('stroke-linejoin');
      var strokeMiterlimitProp = this.getStyle('stroke-miterlimit'); // NEED TEST
      // const pointOrderStyleProp = this.getStyle('paint-order');

      var strokeDasharrayStyleProp = this.getStyle('stroke-dasharray');
      var strokeDashoffsetProp = this.getStyle('stroke-dashoffset');

      if (strokeLinecapStyleProp.hasValue()) {
        ctx.lineCap = strokeLinecapStyleProp.getString();
      }

      if (strokeLinejoinStyleProp.hasValue()) {
        ctx.lineJoin = strokeLinejoinStyleProp.getString();
      }

      if (strokeMiterlimitProp.hasValue()) {
        ctx.miterLimit = strokeMiterlimitProp.getNumber();
      } // NEED TEST
      // if (pointOrderStyleProp.hasValue()) {
      // 	// ?
      // 	ctx.paintOrder = pointOrderStyleProp.getValue();
      // }


      if (strokeDasharrayStyleProp.hasValue() && strokeDasharrayStyleProp.getString() !== 'none') {
        var gaps = toNumbers(strokeDasharrayStyleProp.getString());

        if (typeof ctx.setLineDash !== 'undefined') {
          ctx.setLineDash(gaps);
        } else // @ts-expect-error Handle browser prefix.
          if (typeof ctx.webkitLineDash !== 'undefined') {
            // @ts-expect-error Handle browser prefix.
            ctx.webkitLineDash = gaps;
          } else // @ts-expect-error Handle browser prefix.
            if (typeof ctx.mozDash !== 'undefined' && !(gaps.length === 1 && gaps[0] === 0)) {
              // @ts-expect-error Handle browser prefix.
              ctx.mozDash = gaps;
            }

        var offset = strokeDashoffsetProp.getPixels();

        if (typeof ctx.lineDashOffset !== 'undefined') {
          ctx.lineDashOffset = offset;
        } else // @ts-expect-error Handle browser prefix.
          if (typeof ctx.webkitLineDashOffset !== 'undefined') {
            // @ts-expect-error Handle browser prefix.
            ctx.webkitLineDashOffset = offset;
          } else // @ts-expect-error Handle browser prefix.
            if (typeof ctx.mozDashOffset !== 'undefined') {
              // @ts-expect-error Handle browser prefix.
              ctx.mozDashOffset = offset;
            }
      }
    } // font


    this.modifiedEmSizeStack = false;

    if (typeof ctx.font !== 'undefined') {
      var fontStyleProp = this.getStyle('font');
      var fontStyleStyleProp = this.getStyle('font-style');
      var fontVariantStyleProp = this.getStyle('font-variant');
      var fontWeightStyleProp = this.getStyle('font-weight');
      var fontSizeStyleProp = this.getStyle('font-size');
      var fontFamilyStyleProp = this.getStyle('font-family');
      var font = new Font(fontStyleStyleProp.getString(), fontVariantStyleProp.getString(), fontWeightStyleProp.getString(), fontSizeStyleProp.hasValue() ? "".concat(fontSizeStyleProp.getPixels(true), "px") : '', fontFamilyStyleProp.getString(), Font.parse(fontStyleProp.getString(), ctx.font));
      fontStyleStyleProp.setValue(font.fontStyle);
      fontVariantStyleProp.setValue(font.fontVariant);
      fontWeightStyleProp.setValue(font.fontWeight);
      fontSizeStyleProp.setValue(font.fontSize);
      fontFamilyStyleProp.setValue(font.fontFamily);
      ctx.font = font.toString();

      if (fontSizeStyleProp.isPixels()) {
        this.document.emSize = fontSizeStyleProp.getPixels();
        this.modifiedEmSizeStack = true;
      }
    }

    if (!fromMeasure) {
      // effects
      this.applyEffects(ctx); // opacity

      ctx.globalAlpha = this.calculateOpacity();
    }
  }

  clearContext(ctx) {
    super.clearContext(ctx);

    if (this.modifiedEmSizeStack) {
      this.document.popEmSize();
    }
  }

}

class PathElement extends RenderedElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'path';
    this.pathParser = null;
    this.pathParser = new PathParser(this.getAttribute('d').getString());
  }

  path(ctx) {
    var {
      pathParser
    } = this;
    var boundingBox = new BoundingBox();
    pathParser.reset();

    if (ctx) {
      ctx.beginPath();
    }

    while (!pathParser.isEnd()) {
      switch (pathParser.next().type) {
        case PathParser.MOVE_TO:
          this.pathM(ctx, boundingBox);
          break;

        case PathParser.LINE_TO:
          this.pathL(ctx, boundingBox);
          break;

        case PathParser.HORIZ_LINE_TO:
          this.pathH(ctx, boundingBox);
          break;

        case PathParser.VERT_LINE_TO:
          this.pathV(ctx, boundingBox);
          break;

        case PathParser.CURVE_TO:
          this.pathC(ctx, boundingBox);
          break;

        case PathParser.SMOOTH_CURVE_TO:
          this.pathS(ctx, boundingBox);
          break;

        case PathParser.QUAD_TO:
          this.pathQ(ctx, boundingBox);
          break;

        case PathParser.SMOOTH_QUAD_TO:
          this.pathT(ctx, boundingBox);
          break;

        case PathParser.ARC:
          this.pathA(ctx, boundingBox);
          break;

        case PathParser.CLOSE_PATH:
          this.pathZ(ctx, boundingBox);
          break;
      }
    }

    return boundingBox;
  }

  getBoundingBox(_) {
    return this.path();
  }

  getMarkers() {
    var {
      pathParser
    } = this;
    var points = pathParser.getMarkerPoints();
    var angles = pathParser.getMarkerAngles();
    var markers = points.map((point, i) => [point, angles[i]]);
    return markers;
  }

  renderChildren(ctx) {
    this.path(ctx);
    this.document.screen.mouse.checkPath(this, ctx);
    var fillRuleStyleProp = this.getStyle('fill-rule');

    if (ctx.fillStyle !== '') {
      if (fillRuleStyleProp.getString('inherit') !== 'inherit') {
        ctx.fill(fillRuleStyleProp.getString());
      } else {
        ctx.fill();
      }
    }

    if (ctx.strokeStyle !== '') {
      if (this.getAttribute('vector-effect').getString() === 'non-scaling-stroke') {
        ctx.save();
        ctx.setTransform(1, 0, 0, 1, 0, 0);
        ctx.stroke();
        ctx.restore();
      } else {
        ctx.stroke();
      }
    }

    var markers = this.getMarkers();

    if (markers) {
      var markersLastIndex = markers.length - 1;
      var markerStartStyleProp = this.getStyle('marker-start');
      var markerMidStyleProp = this.getStyle('marker-mid');
      var markerEndStyleProp = this.getStyle('marker-end');

      if (markerStartStyleProp.isUrlDefinition()) {
        var marker = markerStartStyleProp.getDefinition();
        var [point, angle] = markers[0];
        marker.render(ctx, point, angle);
      }

      if (markerMidStyleProp.isUrlDefinition()) {
        var _marker = markerMidStyleProp.getDefinition();

        for (var i = 1; i < markersLastIndex; i++) {
          var [_point, _angle] = markers[i];

          _marker.render(ctx, _point, _angle);
        }
      }

      if (markerEndStyleProp.isUrlDefinition()) {
        var _marker2 = markerEndStyleProp.getDefinition();

        var [_point2, _angle2] = markers[markersLastIndex];

        _marker2.render(ctx, _point2, _angle2);
      }
    }
  }

  static pathM(pathParser) {
    var point = pathParser.getAsCurrentPoint();
    pathParser.start = pathParser.current;
    return {
      point
    };
  }

  pathM(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      point
    } = PathElement.pathM(pathParser);
    var {
      x,
      y
    } = point;
    pathParser.addMarker(point);
    boundingBox.addPoint(x, y);

    if (ctx) {
      ctx.moveTo(x, y);
    }
  }

  static pathL(pathParser) {
    var {
      current
    } = pathParser;
    var point = pathParser.getAsCurrentPoint();
    return {
      current,
      point
    };
  }

  pathL(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      point
    } = PathElement.pathL(pathParser);
    var {
      x,
      y
    } = point;
    pathParser.addMarker(point, current);
    boundingBox.addPoint(x, y);

    if (ctx) {
      ctx.lineTo(x, y);
    }
  }

  static pathH(pathParser) {
    var {
      current,
      command
    } = pathParser;
    var point = new Point((command.relative ? current.x : 0) + command.x, current.y);
    pathParser.current = point;
    return {
      current,
      point
    };
  }

  pathH(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      point
    } = PathElement.pathH(pathParser);
    var {
      x,
      y
    } = point;
    pathParser.addMarker(point, current);
    boundingBox.addPoint(x, y);

    if (ctx) {
      ctx.lineTo(x, y);
    }
  }

  static pathV(pathParser) {
    var {
      current,
      command
    } = pathParser;
    var point = new Point(current.x, (command.relative ? current.y : 0) + command.y);
    pathParser.current = point;
    return {
      current,
      point
    };
  }

  pathV(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      point
    } = PathElement.pathV(pathParser);
    var {
      x,
      y
    } = point;
    pathParser.addMarker(point, current);
    boundingBox.addPoint(x, y);

    if (ctx) {
      ctx.lineTo(x, y);
    }
  }

  static pathC(pathParser) {
    var {
      current
    } = pathParser;
    var point = pathParser.getPoint('x1', 'y1');
    var controlPoint = pathParser.getAsControlPoint('x2', 'y2');
    var currentPoint = pathParser.getAsCurrentPoint();
    return {
      current,
      point,
      controlPoint,
      currentPoint
    };
  }

  pathC(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      point,
      controlPoint,
      currentPoint
    } = PathElement.pathC(pathParser);
    pathParser.addMarker(currentPoint, controlPoint, point);
    boundingBox.addBezierCurve(current.x, current.y, point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);

    if (ctx) {
      ctx.bezierCurveTo(point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    }
  }

  static pathS(pathParser) {
    var {
      current
    } = pathParser;
    var point = pathParser.getReflectedControlPoint();
    var controlPoint = pathParser.getAsControlPoint('x2', 'y2');
    var currentPoint = pathParser.getAsCurrentPoint();
    return {
      current,
      point,
      controlPoint,
      currentPoint
    };
  }

  pathS(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      point,
      controlPoint,
      currentPoint
    } = PathElement.pathS(pathParser);
    pathParser.addMarker(currentPoint, controlPoint, point);
    boundingBox.addBezierCurve(current.x, current.y, point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);

    if (ctx) {
      ctx.bezierCurveTo(point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    }
  }

  static pathQ(pathParser) {
    var {
      current
    } = pathParser;
    var controlPoint = pathParser.getAsControlPoint('x1', 'y1');
    var currentPoint = pathParser.getAsCurrentPoint();
    return {
      current,
      controlPoint,
      currentPoint
    };
  }

  pathQ(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      controlPoint,
      currentPoint
    } = PathElement.pathQ(pathParser);
    pathParser.addMarker(currentPoint, controlPoint, controlPoint);
    boundingBox.addQuadraticCurve(current.x, current.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);

    if (ctx) {
      ctx.quadraticCurveTo(controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    }
  }

  static pathT(pathParser) {
    var {
      current
    } = pathParser;
    var controlPoint = pathParser.getReflectedControlPoint();
    pathParser.control = controlPoint;
    var currentPoint = pathParser.getAsCurrentPoint();
    return {
      current,
      controlPoint,
      currentPoint
    };
  }

  pathT(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      current,
      controlPoint,
      currentPoint
    } = PathElement.pathT(pathParser);
    pathParser.addMarker(currentPoint, controlPoint, controlPoint);
    boundingBox.addQuadraticCurve(current.x, current.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);

    if (ctx) {
      ctx.quadraticCurveTo(controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    }
  }

  static pathA(pathParser) {
    var {
      current,
      command
    } = pathParser;
    var {
      rX,
      rY,
      xRot,
      lArcFlag,
      sweepFlag
    } = command;
    var xAxisRotation = xRot * (Math.PI / 180.0);
    var currentPoint = pathParser.getAsCurrentPoint(); // Conversion from endpoint to center parameterization
    // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
    // x1', y1'

    var currp = new Point(Math.cos(xAxisRotation) * (current.x - currentPoint.x) / 2.0 + Math.sin(xAxisRotation) * (current.y - currentPoint.y) / 2.0, -Math.sin(xAxisRotation) * (current.x - currentPoint.x) / 2.0 + Math.cos(xAxisRotation) * (current.y - currentPoint.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 = (lArcFlag === 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 Point(s * rX * currp.y / rY, s * -rY * currp.x / rX); // cx, cy

    var centp = new Point((current.x + currentPoint.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (current.y + currentPoint.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y); // initial angle

    var a1 = vectorsAngle([1, 0], [(currp.x - cpp.x) / rX, (currp.y - cpp.y) / rY]); // θ1
    // 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 = vectorsAngle(u, v); // Δθ

    if (vectorsRatio(u, v) <= -1) {
      ad = Math.PI;
    }

    if (vectorsRatio(u, v) >= 1) {
      ad = 0;
    }

    return {
      currentPoint,
      rX,
      rY,
      sweepFlag,
      xAxisRotation,
      centp,
      a1,
      ad
    };
  }

  pathA(ctx, boundingBox) {
    var {
      pathParser
    } = this;
    var {
      currentPoint,
      rX,
      rY,
      sweepFlag,
      xAxisRotation,
      centp,
      a1,
      ad
    } = PathElement.pathA(pathParser); // for markers

    var dir = 1 - sweepFlag ? 1.0 : -1.0;
    var ah = a1 + dir * (ad / 2.0);
    var halfWay = new Point(centp.x + rX * Math.cos(ah), centp.y + rY * Math.sin(ah));
    pathParser.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
    pathParser.addMarkerAngle(currentPoint, ah - dir * Math.PI);
    boundingBox.addPoint(currentPoint.x, currentPoint.y); // TODO: this is too naive, make it better

    if (ctx && !isNaN(a1) && !isNaN(ad)) {
      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, Boolean(1 - sweepFlag));
      ctx.scale(1 / sx, 1 / sy);
      ctx.rotate(-xAxisRotation);
      ctx.translate(-centp.x, -centp.y);
    }
  }

  static pathZ(pathParser) {
    pathParser.current = pathParser.start;
  }

  pathZ(ctx, boundingBox) {
    PathElement.pathZ(this.pathParser);

    if (ctx) {
      // only close path if it is not a straight line
      if (boundingBox.x1 !== boundingBox.x2 && boundingBox.y1 !== boundingBox.y2) {
        ctx.closePath();
      }
    }
  }

}

class GlyphElement extends PathElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'glyph';
    this.horizAdvX = this.getAttribute('horiz-adv-x').getNumber();
    this.unicode = this.getAttribute('unicode').getString();
    this.arabicForm = this.getAttribute('arabic-form').getString();
  }

}

class TextElement extends RenderedElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, new.target === TextElement ? true : captureTextNodes);
    this.type = 'text';
    this.x = 0;
    this.y = 0;
    this.measureCache = -1;
  }

  setContext(ctx) {
    var fromMeasure = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
    super.setContext(ctx, fromMeasure);
    var textBaseline = this.getStyle('dominant-baseline').getTextBaseline() || this.getStyle('alignment-baseline').getTextBaseline();

    if (textBaseline) {
      ctx.textBaseline = textBaseline;
    }
  }

  initializeCoordinates() {
    this.x = 0;
    this.y = 0;
    this.leafTexts = [];
    this.textChunkStart = 0;
    this.minX = Number.POSITIVE_INFINITY;
    this.maxX = Number.NEGATIVE_INFINITY;
  }

  getBoundingBox(ctx) {
    if (this.type !== 'text') {
      return this.getTElementBoundingBox(ctx);
    } // first, calculate child positions


    this.initializeCoordinates();
    this.adjustChildCoordinatesRecursive(ctx);
    var boundingBox = null; // then calculate bounding box

    this.children.forEach((_, i) => {
      var childBoundingBox = this.getChildBoundingBox(ctx, this, this, i);

      if (!boundingBox) {
        boundingBox = childBoundingBox;
      } else {
        boundingBox.addBoundingBox(childBoundingBox);
      }
    });
    return boundingBox;
  }

  getFontSize() {
    var {
      document,
      parent
    } = this;
    var inheritFontSize = Font.parse(document.ctx.font).fontSize;
    var fontSize = parent.getStyle('font-size').getNumber(inheritFontSize);
    return fontSize;
  }

  getTElementBoundingBox(ctx) {
    var fontSize = this.getFontSize();
    return new BoundingBox(this.x, this.y - fontSize, this.x + this.measureText(ctx), this.y);
  }

  getGlyph(font, text, i) {
    var char = text[i];
    var glyph = null;

    if (font.isArabic) {
      var len = text.length;
      var prevChar = text[i - 1];
      var nextChar = text[i + 1];
      var arabicForm = 'isolated';

      if ((i === 0 || prevChar === ' ') && i < len - 1 && nextChar !== ' ') {
        arabicForm = 'terminal';
      }

      if (i > 0 && prevChar !== ' ' && i < len - 1 && nextChar !== ' ') {
        arabicForm = 'medial';
      }

      if (i > 0 && prevChar !== ' ' && (i === len - 1 || nextChar === ' ')) {
        arabicForm = 'initial';
      }

      if (typeof font.glyphs[char] !== 'undefined') {
        // NEED TEST
        var maybeGlyph = font.glyphs[char];
        glyph = maybeGlyph instanceof GlyphElement ? maybeGlyph : maybeGlyph[arabicForm];
      }
    } else {
      glyph = font.glyphs[char];
    }

    if (!glyph) {
      glyph = font.missingGlyph;
    }

    return glyph;
  }

  getText() {
    return '';
  }

  getTextFromNode(node) {
    var textNode = node || this.node;
    var childNodes = Array.from(textNode.parentNode.childNodes);
    var index = childNodes.indexOf(textNode);
    var lastIndex = childNodes.length - 1;
    var text = compressSpaces( // textNode.value
    // || textNode.text
    textNode.textContent || '');

    if (index === 0) {
      text = trimLeft(text);
    }

    if (index === lastIndex) {
      text = trimRight(text);
    }

    return text;
  }

  renderChildren(ctx) {
    if (this.type !== 'text') {
      this.renderTElementChildren(ctx);
      return;
    } // first, calculate child positions


    this.initializeCoordinates();
    this.adjustChildCoordinatesRecursive(ctx); // then render

    this.children.forEach((_, i) => {
      this.renderChild(ctx, this, this, i);
    });
    var {
      mouse
    } = this.document.screen; // Do not calc bounding box if mouse is not working.

    if (mouse.isWorking()) {
      mouse.checkBoundingBox(this, this.getBoundingBox(ctx));
    }
  }

  renderTElementChildren(ctx) {
    var {
      document,
      parent
    } = this;
    var renderText = this.getText();
    var customFont = parent.getStyle('font-family').getDefinition();

    if (customFont) {
      var {
        unitsPerEm
      } = customFont.fontFace;
      var ctxFont = Font.parse(document.ctx.font);
      var fontSize = parent.getStyle('font-size').getNumber(ctxFont.fontSize);
      var fontStyle = parent.getStyle('font-style').getString(ctxFont.fontStyle);
      var scale = fontSize / unitsPerEm;
      var text = customFont.isRTL ? renderText.split('').reverse().join('') : renderText;
      var dx = toNumbers(parent.getAttribute('dx').getString());
      var len = text.length;

      for (var i = 0; i < len; i++) {
        var glyph = this.getGlyph(customFont, text, i);
        ctx.translate(this.x, this.y);
        ctx.scale(scale, -scale);
        var lw = ctx.lineWidth;
        ctx.lineWidth = ctx.lineWidth * unitsPerEm / fontSize;

        if (fontStyle === 'italic') {
          ctx.transform(1, 0, .4, 1, 0, 0);
        }

        glyph.render(ctx);

        if (fontStyle === 'italic') {
          ctx.transform(1, 0, -.4, 1, 0, 0);
        }

        ctx.lineWidth = lw;
        ctx.scale(1 / scale, -1 / scale);
        ctx.translate(-this.x, -this.y);
        this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / unitsPerEm;

        if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
          this.x += dx[i];
        }
      }

      return;
    }

    var {
      x,
      y
    } = this; // NEED TEST
    // if (ctx.paintOrder === 'stroke') {
    // 	if (ctx.strokeStyle) {
    // 		ctx.strokeText(renderText, x, y);
    // 	}
    // 	if (ctx.fillStyle) {
    // 		ctx.fillText(renderText, x, y);
    // 	}
    // } else {

    if (ctx.fillStyle) {
      ctx.fillText(renderText, x, y);
    }

    if (ctx.strokeStyle) {
      ctx.strokeText(renderText, x, y);
    } // }

  }

  applyAnchoring() {
    if (this.textChunkStart >= this.leafTexts.length) {
      return;
    } // This is basically the "Apply anchoring" part of https://www.w3.org/TR/SVG2/text.html#TextLayoutAlgorithm.
    // The difference is that we apply the anchoring as soon as a chunk is finished. This saves some extra looping.
    // Vertical text is not supported.


    var firstElement = this.leafTexts[this.textChunkStart];
    var textAnchor = firstElement.getStyle('text-anchor').getString('start');
    var isRTL = false; // we treat RTL like LTR

    var shift = 0;

    if (textAnchor === 'start' && !isRTL || textAnchor === 'end' && isRTL) {
      shift = firstElement.x - this.minX;
    } else if (textAnchor === 'end' && !isRTL || textAnchor === 'start' && isRTL) {
      shift = firstElement.x - this.maxX;
    } else {
      shift = firstElement.x - (this.minX + this.maxX) / 2;
    }

    for (var i = this.textChunkStart; i < this.leafTexts.length; i++) {
      this.leafTexts[i].x += shift;
    } // start new chunk


    this.minX = Number.POSITIVE_INFINITY;
    this.maxX = Number.NEGATIVE_INFINITY;
    this.textChunkStart = this.leafTexts.length;
  }

  adjustChildCoordinatesRecursive(ctx) {
    this.children.forEach((_, i) => {
      this.adjustChildCoordinatesRecursiveCore(ctx, this, this, i);
    });
    this.applyAnchoring();
  }

  adjustChildCoordinatesRecursiveCore(ctx, textParent, parent, i) {
    var child = parent.children[i];

    if (child.children.length > 0) {
      child.children.forEach((_, i) => {
        textParent.adjustChildCoordinatesRecursiveCore(ctx, textParent, child, i);
      });
    } else {
      // only leafs are relevant
      this.adjustChildCoordinates(ctx, textParent, parent, i);
    }
  }

  adjustChildCoordinates(ctx, textParent, parent, i) {
    var child = parent.children[i];

    if (typeof child.measureText !== 'function') {
      return child;
    }

    ctx.save();
    child.setContext(ctx, true);
    var xAttr = child.getAttribute('x');
    var yAttr = child.getAttribute('y');
    var dxAttr = child.getAttribute('dx');
    var dyAttr = child.getAttribute('dy');
    var customFont = child.getStyle('font-family').getDefinition();
    var isRTL = Boolean(customFont) && customFont.isRTL;

    if (i === 0) {
      // First children inherit attributes from parent(s). Positional attributes
      // are only inherited from a parent to it's first child.
      if (!xAttr.hasValue()) {
        xAttr.setValue(child.getInheritedAttribute('x'));
      }

      if (!yAttr.hasValue()) {
        yAttr.setValue(child.getInheritedAttribute('y'));
      }

      if (!dxAttr.hasValue()) {
        dxAttr.setValue(child.getInheritedAttribute('dx'));
      }

      if (!dyAttr.hasValue()) {
        dyAttr.setValue(child.getInheritedAttribute('dy'));
      }
    }

    var width = child.measureText(ctx);

    if (isRTL) {
      textParent.x -= width;
    }

    if (xAttr.hasValue()) {
      // an "x" attribute marks the start of a new chunk
      textParent.applyAnchoring();
      child.x = xAttr.getPixels('x');

      if (dxAttr.hasValue()) {
        child.x += dxAttr.getPixels('x');
      }
    } else {
      if (dxAttr.hasValue()) {
        textParent.x += dxAttr.getPixels('x');
      }

      child.x = textParent.x;
    }

    textParent.x = child.x;

    if (!isRTL) {
      textParent.x += width;
    }

    if (yAttr.hasValue()) {
      child.y = yAttr.getPixels('y');

      if (dyAttr.hasValue()) {
        child.y += dyAttr.getPixels('y');
      }
    } else {
      if (dyAttr.hasValue()) {
        textParent.y += dyAttr.getPixels('y');
      }

      child.y = textParent.y;
    }

    textParent.y = child.y; // update the current chunk and it's bounds

    textParent.leafTexts.push(child);
    textParent.minX = Math.min(textParent.minX, child.x, child.x + width);
    textParent.maxX = Math.max(textParent.maxX, child.x, child.x + width);
    child.clearContext(ctx);
    ctx.restore();
    return child;
  }

  getChildBoundingBox(ctx, textParent, parent, i) {
    var child = parent.children[i]; // not a text node?

    if (typeof child.getBoundingBox !== 'function') {
      return null;
    }

    var boundingBox = child.getBoundingBox(ctx);

    if (!boundingBox) {
      return null;
    }

    child.children.forEach((_, i) => {
      var childBoundingBox = textParent.getChildBoundingBox(ctx, textParent, child, i);
      boundingBox.addBoundingBox(childBoundingBox);
    });
    return boundingBox;
  }

  renderChild(ctx, textParent, parent, i) {
    var child = parent.children[i];
    child.render(ctx);
    child.children.forEach((_, i) => {
      textParent.renderChild(ctx, textParent, child, i);
    });
  }

  measureText(ctx) {
    var {
      measureCache
    } = this;

    if (~measureCache) {
      return measureCache;
    }

    var renderText = this.getText();
    var measure = this.measureTargetText(ctx, renderText);
    this.measureCache = measure;
    return measure;
  }

  measureTargetText(ctx, targetText) {
    if (!targetText.length) {
      return 0;
    }

    var {
      parent
    } = this;
    var customFont = parent.getStyle('font-family').getDefinition();

    if (customFont) {
      var fontSize = this.getFontSize();
      var text = customFont.isRTL ? targetText.split('').reverse().join('') : targetText;
      var dx = toNumbers(parent.getAttribute('dx').getString());
      var len = text.length;
      var _measure = 0;

      for (var i = 0; i < len; 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;
    }

    if (!ctx.measureText) {
      return targetText.length * 10;
    }

    ctx.save();
    this.setContext(ctx, true);
    var {
      width: measure
    } = ctx.measureText(targetText);
    this.clearContext(ctx);
    ctx.restore();
    return measure;
  }
  /**
   * Inherits positional attributes from {@link TextElement} parent(s). Attributes
   * are only inherited from a parent to its first child.
   * @param name - The attribute name.
   * @returns The attribute value or null.
   */


  getInheritedAttribute(name) {
    // eslint-disable-next-line @typescript-eslint/no-this-alias,consistent-this
    var current = this;

    while (current instanceof TextElement && current.isFirstChild()) {
      var parentAttr = current.parent.getAttribute(name);

      if (parentAttr.hasValue(true)) {
        return parentAttr.getValue('0');
      }

      current = current.parent;
    }

    return null;
  }

}

class TSpanElement extends TextElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, new.target === TSpanElement ? true : captureTextNodes);
    this.type = 'tspan'; // if this node has children, then they own the text

    this.text = this.children.length > 0 ? '' : this.getTextFromNode();
  }

  getText() {
    return this.text;
  }

}

class TextNode extends TSpanElement {
  constructor() {
    super(...arguments);
    this.type = 'textNode';
  }

}

class SVGElement extends RenderedElement {
  constructor() {
    super(...arguments);
    this.type = 'svg';
    this.root = false;
  }

  setContext(ctx) {
    var _this$node$parentNode;

    var {
      document
    } = this;
    var {
      screen,
      window
    } = document;
    var canvas = ctx.canvas;
    screen.setDefaults(ctx);

    if (canvas.style && typeof ctx.font !== 'undefined' && window && typeof window.getComputedStyle !== 'undefined') {
      ctx.font = window.getComputedStyle(canvas).getPropertyValue('font');
      var fontSizeProp = new Property(document, 'fontSize', Font.parse(ctx.font).fontSize);

      if (fontSizeProp.hasValue()) {
        document.rootEmSize = fontSizeProp.getPixels('y');
        document.emSize = document.rootEmSize;
      }
    } // create new view port


    if (!this.getAttribute('x').hasValue()) {
      this.getAttribute('x', true).setValue(0);
    }

    if (!this.getAttribute('y').hasValue()) {
      this.getAttribute('y', true).setValue(0);
    }

    var {
      width,
      height
    } = screen.viewPort;

    if (!this.getStyle('width').hasValue()) {
      this.getStyle('width', true).setValue('100%');
    }

    if (!this.getStyle('height').hasValue()) {
      this.getStyle('height', true).setValue('100%');
    }

    if (!this.getStyle('color').hasValue()) {
      this.getStyle('color', true).setValue('black');
    }

    var refXAttr = this.getAttribute('refX');
    var refYAttr = this.getAttribute('refY');
    var viewBoxAttr = this.getAttribute('viewBox');
    var viewBox = viewBoxAttr.hasValue() ? toNumbers(viewBoxAttr.getString()) : null;
    var clip = !this.root && this.getStyle('overflow').getValue('hidden') !== 'visible';
    var minX = 0;
    var minY = 0;
    var clipX = 0;
    var clipY = 0;

    if (viewBox) {
      minX = viewBox[0];
      minY = viewBox[1];
    }

    if (!this.root) {
      width = this.getStyle('width').getPixels('x');
      height = this.getStyle('height').getPixels('y');

      if (this.type === 'marker') {
        clipX = minX;
        clipY = minY;
        minX = 0;
        minY = 0;
      }
    }

    screen.viewPort.setCurrent(width, height); // Default value of transform-origin is center only for root SVG elements
    // https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/transform-origin

    if (this.node // is not temporary SVGElement
    && (!this.parent || ((_this$node$parentNode = this.node.parentNode) === null || _this$node$parentNode === void 0 ? void 0 : _this$node$parentNode.nodeName) === 'foreignObject') && this.getStyle('transform', false, true).hasValue() && !this.getStyle('transform-origin', false, true).hasValue()) {
      this.getStyle('transform-origin', true, true).setValue('50% 50%');
    }

    super.setContext(ctx);
    ctx.translate(this.getAttribute('x').getPixels('x'), this.getAttribute('y').getPixels('y'));

    if (viewBox) {
      width = viewBox[2];
      height = viewBox[3];
    }

    document.setViewBox({
      ctx,
      aspectRatio: this.getAttribute('preserveAspectRatio').getString(),
      width: screen.viewPort.width,
      desiredWidth: width,
      height: screen.viewPort.height,
      desiredHeight: height,
      minX,
      minY,
      refX: refXAttr.getValue(),
      refY: refYAttr.getValue(),
      clip,
      clipX,
      clipY
    });

    if (viewBox) {
      screen.viewPort.removeCurrent();
      screen.viewPort.setCurrent(width, height);
    }
  }

  clearContext(ctx) {
    super.clearContext(ctx);
    this.document.screen.viewPort.removeCurrent();
  }
  /**
   * Resize SVG to fit in given size.
   * @param width
   * @param height
   * @param preserveAspectRatio
   */


  resize(width) {
    var height = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : width;
    var preserveAspectRatio = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    var widthAttr = this.getAttribute('width', true);
    var heightAttr = this.getAttribute('height', true);
    var viewBoxAttr = this.getAttribute('viewBox');
    var styleAttr = this.getAttribute('style');
    var originWidth = widthAttr.getNumber(0);
    var originHeight = heightAttr.getNumber(0);

    if (preserveAspectRatio) {
      if (typeof preserveAspectRatio === 'string') {
        this.getAttribute('preserveAspectRatio', true).setValue(preserveAspectRatio);
      } else {
        var preserveAspectRatioAttr = this.getAttribute('preserveAspectRatio');

        if (preserveAspectRatioAttr.hasValue()) {
          preserveAspectRatioAttr.setValue(preserveAspectRatioAttr.getString().replace(/^\s*(\S.*\S)\s*$/, '$1'));
        }
      }
    }

    widthAttr.setValue(width);
    heightAttr.setValue(height);

    if (!viewBoxAttr.hasValue()) {
      viewBoxAttr.setValue("0 0 ".concat(originWidth || width, " ").concat(originHeight || height));
    }

    if (styleAttr.hasValue()) {
      var widthStyle = this.getStyle('width');
      var heightStyle = this.getStyle('height');

      if (widthStyle.hasValue()) {
        widthStyle.setValue("".concat(width, "px"));
      }

      if (heightStyle.hasValue()) {
        heightStyle.setValue("".concat(height, "px"));
      }
    }
  }

}

class RectElement extends PathElement {
  constructor() {
    super(...arguments);
    this.type = 'rect';
  }

  path(ctx) {
    var x = this.getAttribute('x').getPixels('x');
    var y = this.getAttribute('y').getPixels('y');
    var width = this.getStyle('width', false, true).getPixels('x');
    var height = this.getStyle('height', false, true).getPixels('y');
    var rxAttr = this.getAttribute('rx');
    var ryAttr = this.getAttribute('ry');
    var rx = rxAttr.getPixels('x');
    var ry = ryAttr.getPixels('y');

    if (rxAttr.hasValue() && !ryAttr.hasValue()) {
      ry = rx;
    }

    if (ryAttr.hasValue() && !rxAttr.hasValue()) {
      rx = ry;
    }

    rx = Math.min(rx, width / 2.0);
    ry = Math.min(ry, height / 2.0);

    if (ctx) {
      var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
      ctx.beginPath(); // always start the path so we don't fill prior paths

      if (height > 0 && width > 0) {
        ctx.moveTo(x + rx, y);
        ctx.lineTo(x + width - rx, y);
        ctx.bezierCurveTo(x + width - rx + KAPPA * rx, y, x + width, y + ry - KAPPA * ry, x + width, y + ry);
        ctx.lineTo(x + width, y + height - ry);
        ctx.bezierCurveTo(x + width, y + height - ry + KAPPA * ry, x + width - rx + KAPPA * rx, y + height, x + width - rx, y + height);
        ctx.lineTo(x + rx, y + height);
        ctx.bezierCurveTo(x + rx - KAPPA * rx, y + height, x, y + height - ry + KAPPA * ry, x, y + height - ry);
        ctx.lineTo(x, y + ry);
        ctx.bezierCurveTo(x, y + ry - KAPPA * ry, x + rx - KAPPA * rx, y, x + rx, y);
        ctx.closePath();
      }
    }

    return new BoundingBox(x, y, x + width, y + height);
  }

  getMarkers() {
    return null;
  }

}

class CircleElement extends PathElement {
  constructor() {
    super(...arguments);
    this.type = 'circle';
  }

  path(ctx) {
    var cx = this.getAttribute('cx').getPixels('x');
    var cy = this.getAttribute('cy').getPixels('y');
    var r = this.getAttribute('r').getPixels();

    if (ctx && r > 0) {
      ctx.beginPath();
      ctx.arc(cx, cy, r, 0, Math.PI * 2, false);
      ctx.closePath();
    }

    return new BoundingBox(cx - r, cy - r, cx + r, cy + r);
  }

  getMarkers() {
    return null;
  }

}

class EllipseElement extends PathElement {
  constructor() {
    super(...arguments);
    this.type = 'ellipse';
  }

  path(ctx) {
    var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
    var rx = this.getAttribute('rx').getPixels('x');
    var ry = this.getAttribute('ry').getPixels('y');
    var cx = this.getAttribute('cx').getPixels('x');
    var cy = this.getAttribute('cy').getPixels('y');

    if (ctx && rx > 0 && ry > 0) {
      ctx.beginPath();
      ctx.moveTo(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.bezierCurveTo(cx + KAPPA * rx, cy - ry, cx + rx, cy - KAPPA * ry, cx + rx, cy);
      ctx.closePath();
    }

    return new BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
  }

  getMarkers() {
    return null;
  }

}

class LineElement extends PathElement {
  constructor() {
    super(...arguments);
    this.type = 'line';
  }

  getPoints() {
    return [new Point(this.getAttribute('x1').getPixels('x'), this.getAttribute('y1').getPixels('y')), new Point(this.getAttribute('x2').getPixels('x'), this.getAttribute('y2').getPixels('y'))];
  }

  path(ctx) {
    var [{
      x: x0,
      y: y0
    }, {
      x: x1,
      y: y1
    }] = this.getPoints();

    if (ctx) {
      ctx.beginPath();
      ctx.moveTo(x0, y0);
      ctx.lineTo(x1, y1);
    }

    return new BoundingBox(x0, y0, x1, y1);
  }

  getMarkers() {
    var [p0, p1] = this.getPoints();
    var a = p0.angleTo(p1);
    return [[p0, a], [p1, a]];
  }

}

class PolylineElement extends PathElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'polyline';
    this.points = [];
    this.points = Point.parsePath(this.getAttribute('points').getString());
  }

  path(ctx) {
    var {
      points
    } = this;
    var [{
      x: x0,
      y: y0
    }] = points;
    var boundingBox = new BoundingBox(x0, y0);

    if (ctx) {
      ctx.beginPath();
      ctx.moveTo(x0, y0);
    }

    points.forEach(_ref => {
      var {
        x,
        y
      } = _ref;
      boundingBox.addPoint(x, y);

      if (ctx) {
        ctx.lineTo(x, y);
      }
    });
    return boundingBox;
  }

  getMarkers() {
    var {
      points
    } = this;
    var lastIndex = points.length - 1;
    var markers = [];
    points.forEach((point, i) => {
      if (i === lastIndex) {
        return;
      }

      markers.push([point, point.angleTo(points[i + 1])]);
    });

    if (markers.length > 0) {
      markers.push([points[points.length - 1], markers[markers.length - 1][1]]);
    }

    return markers;
  }

}

class PolygonElement extends PolylineElement {
  constructor() {
    super(...arguments);
    this.type = 'polygon';
  }

  path(ctx) {
    var boundingBox = super.path(ctx);
    var [{
      x,
      y
    }] = this.points;

    if (ctx) {
      ctx.lineTo(x, y);
      ctx.closePath();
    }

    return boundingBox;
  }

}

class PatternElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'pattern';
  }

  createPattern(ctx, _, parentOpacityProp) {
    var width = this.getStyle('width').getPixels('x', true);
    var height = this.getStyle('height').getPixels('y', true); // render me using a temporary svg element

    var patternSvg = new SVGElement(this.document, null);
    patternSvg.attributes.viewBox = new Property(this.document, 'viewBox', this.getAttribute('viewBox').getValue());
    patternSvg.attributes.width = new Property(this.document, 'width', "".concat(width, "px"));
    patternSvg.attributes.height = new Property(this.document, 'height', "".concat(height, "px"));
    patternSvg.attributes.transform = new Property(this.document, 'transform', this.getAttribute('patternTransform').getValue());
    patternSvg.children = this.children;
    var patternCanvas = this.document.createCanvas(width, height);
    var patternCtx = patternCanvas.getContext('2d');
    var xAttr = this.getAttribute('x');
    var yAttr = this.getAttribute('y');

    if (xAttr.hasValue() && yAttr.hasValue()) {
      patternCtx.translate(xAttr.getPixels('x', true), yAttr.getPixels('y', true));
    }

    if (parentOpacityProp.hasValue()) {
      this.styles['fill-opacity'] = parentOpacityProp;
    } else {
      Reflect.deleteProperty(this.styles, 'fill-opacity');
    } // 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++) {
        patternCtx.save();
        patternSvg.attributes.x = new Property(this.document, 'x', x * patternCanvas.width);
        patternSvg.attributes.y = new Property(this.document, 'y', y * patternCanvas.height);
        patternSvg.render(patternCtx);
        patternCtx.restore();
      }
    }

    var pattern = ctx.createPattern(patternCanvas, 'repeat');
    return pattern;
  }

}

class MarkerElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'marker';
  }

  render(ctx, point, angle) {
    if (!point) {
      return;
    }

    var {
      x,
      y
    } = point;
    var orient = this.getAttribute('orient').getString('auto');
    var markerUnits = this.getAttribute('markerUnits').getString('strokeWidth');
    ctx.translate(x, y);

    if (orient === 'auto') {
      ctx.rotate(angle);
    }

    if (markerUnits === 'strokeWidth') {
      ctx.scale(ctx.lineWidth, ctx.lineWidth);
    }

    ctx.save(); // render me using a temporary svg element

    var markerSvg = new SVGElement(this.document, null);
    markerSvg.type = this.type;
    markerSvg.attributes.viewBox = new Property(this.document, 'viewBox', this.getAttribute('viewBox').getValue());
    markerSvg.attributes.refX = new Property(this.document, 'refX', this.getAttribute('refX').getValue());
    markerSvg.attributes.refY = new Property(this.document, 'refY', this.getAttribute('refY').getValue());
    markerSvg.attributes.width = new Property(this.document, 'width', this.getAttribute('markerWidth').getValue());
    markerSvg.attributes.height = new Property(this.document, 'height', this.getAttribute('markerHeight').getValue());
    markerSvg.attributes.overflow = new Property(this.document, 'overflow', this.getAttribute('overflow').getValue());
    markerSvg.attributes.fill = new Property(this.document, 'fill', this.getAttribute('fill').getColor('black'));
    markerSvg.attributes.stroke = new Property(this.document, 'stroke', this.getAttribute('stroke').getValue('none'));
    markerSvg.children = this.children;
    markerSvg.render(ctx);
    ctx.restore();

    if (markerUnits === 'strokeWidth') {
      ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth);
    }

    if (orient === 'auto') {
      ctx.rotate(-angle);
    }

    ctx.translate(-x, -y);
  }

}

class DefsElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'defs';
  }

  render() {// NOOP
  }

}

class GElement extends RenderedElement {
  constructor() {
    super(...arguments);
    this.type = 'g';
  }

  getBoundingBox(ctx) {
    var boundingBox = new BoundingBox();
    this.children.forEach(child => {
      boundingBox.addBoundingBox(child.getBoundingBox(ctx));
    });
    return boundingBox;
  }

}

class GradientElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.attributesToInherit = ['gradientUnits'];
    this.stops = [];
    var {
      stops,
      children
    } = this;
    children.forEach(child => {
      if (child.type === 'stop') {
        stops.push(child);
      }
    });
  }

  getGradientUnits() {
    return this.getAttribute('gradientUnits').getString('objectBoundingBox');
  }

  createGradient(ctx, element, parentOpacityProp) {
    // eslint-disable-next-line @typescript-eslint/no-this-alias, consistent-this
    var stopsContainer = this;

    if (this.getHrefAttribute().hasValue()) {
      stopsContainer = this.getHrefAttribute().getDefinition();
      this.inheritStopContainer(stopsContainer);
    }

    var {
      stops
    } = stopsContainer;
    var gradient = this.getGradient(ctx, element);

    if (!gradient) {
      return this.addParentOpacity(parentOpacityProp, stops[stops.length - 1].color);
    }

    stops.forEach(stop => {
      gradient.addColorStop(stop.offset, this.addParentOpacity(parentOpacityProp, stop.color));
    });

    if (this.getAttribute('gradientTransform').hasValue()) {
      // render as transformed pattern on temporary canvas
      var {
        document
      } = this;
      var {
        MAX_VIRTUAL_PIXELS,
        viewPort
      } = document.screen;
      var [rootView] = viewPort.viewPorts;
      var rect = new RectElement(document, null);
      rect.attributes.x = new Property(document, 'x', -MAX_VIRTUAL_PIXELS / 3.0);
      rect.attributes.y = new Property(document, 'y', -MAX_VIRTUAL_PIXELS / 3.0);
      rect.attributes.width = new Property(document, 'width', MAX_VIRTUAL_PIXELS);
      rect.attributes.height = new Property(document, 'height', MAX_VIRTUAL_PIXELS);
      var group = new GElement(document, null);
      group.attributes.transform = new Property(document, 'transform', this.getAttribute('gradientTransform').getValue());
      group.children = [rect];
      var patternSvg = new SVGElement(document, null);
      patternSvg.attributes.x = new Property(document, 'x', 0);
      patternSvg.attributes.y = new Property(document, 'y', 0);
      patternSvg.attributes.width = new Property(document, 'width', rootView.width);
      patternSvg.attributes.height = new Property(document, 'height', rootView.height);
      patternSvg.children = [group];
      var patternCanvas = document.createCanvas(rootView.width, rootView.height);
      var patternCtx = patternCanvas.getContext('2d');
      patternCtx.fillStyle = gradient;
      patternSvg.render(patternCtx);
      return patternCtx.createPattern(patternCanvas, 'no-repeat');
    }

    return gradient;
  }

  inheritStopContainer(stopsContainer) {
    this.attributesToInherit.forEach(attributeToInherit => {
      if (!this.getAttribute(attributeToInherit).hasValue() && stopsContainer.getAttribute(attributeToInherit).hasValue()) {
        this.getAttribute(attributeToInherit, true).setValue(stopsContainer.getAttribute(attributeToInherit).getValue());
      }
    });
  }

  addParentOpacity(parentOpacityProp, color) {
    if (parentOpacityProp.hasValue()) {
      var colorProp = new Property(this.document, 'color', color);
      return colorProp.addOpacity(parentOpacityProp).getColor();
    }

    return color;
  }

}

class LinearGradientElement extends GradientElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'linearGradient';
    this.attributesToInherit.push('x1', 'y1', 'x2', 'y2');
  }

  getGradient(ctx, element) {
    var isBoundingBoxUnits = this.getGradientUnits() === 'objectBoundingBox';
    var boundingBox = isBoundingBoxUnits ? element.getBoundingBox(ctx) : null;

    if (isBoundingBoxUnits && !boundingBox) {
      return null;
    }

    if (!this.getAttribute('x1').hasValue() && !this.getAttribute('y1').hasValue() && !this.getAttribute('x2').hasValue() && !this.getAttribute('y2').hasValue()) {
      this.getAttribute('x1', true).setValue(0);
      this.getAttribute('y1', true).setValue(0);
      this.getAttribute('x2', true).setValue(1);
      this.getAttribute('y2', true).setValue(0);
    }

    var x1 = isBoundingBoxUnits ? boundingBox.x + boundingBox.width * this.getAttribute('x1').getNumber() : this.getAttribute('x1').getPixels('x');
    var y1 = isBoundingBoxUnits ? boundingBox.y + boundingBox.height * this.getAttribute('y1').getNumber() : this.getAttribute('y1').getPixels('y');
    var x2 = isBoundingBoxUnits ? boundingBox.x + boundingBox.width * this.getAttribute('x2').getNumber() : this.getAttribute('x2').getPixels('x');
    var y2 = isBoundingBoxUnits ? boundingBox.y + boundingBox.height * this.getAttribute('y2').getNumber() : this.getAttribute('y2').getPixels('y');

    if (x1 === x2 && y1 === y2) {
      return null;
    }

    return ctx.createLinearGradient(x1, y1, x2, y2);
  }

}

class RadialGradientElement extends GradientElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'radialGradient';
    this.attributesToInherit.push('cx', 'cy', 'r', 'fx', 'fy', 'fr');
  }

  getGradient(ctx, element) {
    var isBoundingBoxUnits = this.getGradientUnits() === 'objectBoundingBox';
    var boundingBox = element.getBoundingBox(ctx);

    if (isBoundingBoxUnits && !boundingBox) {
      return null;
    }

    if (!this.getAttribute('cx').hasValue()) {
      this.getAttribute('cx', true).setValue('50%');
    }

    if (!this.getAttribute('cy').hasValue()) {
      this.getAttribute('cy', true).setValue('50%');
    }

    if (!this.getAttribute('r').hasValue()) {
      this.getAttribute('r', true).setValue('50%');
    }

    var cx = isBoundingBoxUnits ? boundingBox.x + boundingBox.width * this.getAttribute('cx').getNumber() : this.getAttribute('cx').getPixels('x');
    var cy = isBoundingBoxUnits ? boundingBox.y + boundingBox.height * this.getAttribute('cy').getNumber() : this.getAttribute('cy').getPixels('y');
    var fx = cx;
    var fy = cy;

    if (this.getAttribute('fx').hasValue()) {
      fx = isBoundingBoxUnits ? boundingBox.x + boundingBox.width * this.getAttribute('fx').getNumber() : this.getAttribute('fx').getPixels('x');
    }

    if (this.getAttribute('fy').hasValue()) {
      fy = isBoundingBoxUnits ? boundingBox.y + boundingBox.height * this.getAttribute('fy').getNumber() : this.getAttribute('fy').getPixels('y');
    }

    var r = isBoundingBoxUnits ? (boundingBox.width + boundingBox.height) / 2.0 * this.getAttribute('r').getNumber() : this.getAttribute('r').getPixels();
    var fr = this.getAttribute('fr').getPixels();
    return ctx.createRadialGradient(fx, fy, fr, cx, cy, r);
  }

}

class StopElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'stop';
    var offset = Math.max(0, Math.min(1, this.getAttribute('offset').getNumber()));
    var stopOpacity = this.getStyle('stop-opacity');
    var stopColor = this.getStyle('stop-color', true);

    if (stopColor.getString() === '') {
      stopColor.setValue('#000');
    }

    if (stopOpacity.hasValue()) {
      stopColor = stopColor.addOpacity(stopOpacity);
    }

    this.offset = offset;
    this.color = stopColor.getColor();
  }

}

class AnimateElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'animate';
    this.duration = 0;
    this.initialValue = null;
    this.initialUnits = '';
    this.removed = false;
    this.frozen = false;
    document.screen.animations.push(this);
    this.begin = this.getAttribute('begin').getMilliseconds();
    this.maxDuration = this.begin + this.getAttribute('dur').getMilliseconds();
    this.from = this.getAttribute('from');
    this.to = this.getAttribute('to');
    this.values = new Property(document, 'values', null);
    var valuesAttr = this.getAttribute('values');

    if (valuesAttr.hasValue()) {
      this.values.setValue(valuesAttr.getString().split(';'));
    }
  }

  getProperty() {
    var attributeType = this.getAttribute('attributeType').getString();
    var attributeName = this.getAttribute('attributeName').getString();

    if (attributeType === 'CSS') {
      return this.parent.getStyle(attributeName, true);
    }

    return this.parent.getAttribute(attributeName, true);
  }

  calcValue() {
    var {
      initialUnits
    } = this;
    var {
      progress,
      from,
      to
    } = this.getProgress(); // tween value linearly

    var newValue = from.getNumber() + (to.getNumber() - from.getNumber()) * progress;

    if (initialUnits === '%') {
      newValue *= 100.0; // numValue() returns 0-1 whereas properties are 0-100
    }

    return "".concat(newValue).concat(initialUnits);
  }

  update(delta) {
    var {
      parent
    } = this;
    var prop = this.getProperty(); // set initial value

    if (!this.initialValue) {
      this.initialValue = prop.getString();
      this.initialUnits = prop.getUnits();
    } // if we're past the end time


    if (this.duration > this.maxDuration) {
      var fill = this.getAttribute('fill').getString('remove'); // loop for indefinitely repeating animations

      if (this.getAttribute('repeatCount').getString() === 'indefinite' || this.getAttribute('repeatDur').getString() === 'indefinite') {
        this.duration = 0;
      } else if (fill === 'freeze' && !this.frozen) {
        this.frozen = true;
        parent.animationFrozen = true;
        parent.animationFrozenValue = prop.getString();
      } else if (fill === 'remove' && !this.removed) {
        this.removed = true;
        prop.setValue(parent.animationFrozen ? parent.animationFrozenValue : this.initialValue);
        return true;
      }

      return false;
    }

    this.duration += delta; // if we're past the begin time

    var updated = false;

    if (this.begin < this.duration) {
      var newValue = this.calcValue(); // tween

      var typeAttr = this.getAttribute('type');

      if (typeAttr.hasValue()) {
        // for transform, etc.
        var type = typeAttr.getString();
        newValue = "".concat(type, "(").concat(newValue, ")");
      }

      prop.setValue(newValue);
      updated = true;
    }

    return updated;
  }

  getProgress() {
    var {
      document,
      values
    } = this;
    var result = {
      progress: (this.duration - this.begin) / (this.maxDuration - this.begin)
    };

    if (values.hasValue()) {
      var p = result.progress * (values.getValue().length - 1);
      var lb = Math.floor(p);
      var ub = Math.ceil(p);
      result.from = new Property(document, 'from', parseFloat(values.getValue()[lb]));
      result.to = new Property(document, 'to', parseFloat(values.getValue()[ub]));
      result.progress = (p - lb) / (ub - lb);
    } else {
      result.from = this.from;
      result.to = this.to;
    }

    return result;
  }

}

class AnimateColorElement extends AnimateElement {
  constructor() {
    super(...arguments);
    this.type = 'animateColor';
  }

  calcValue() {
    var {
      progress,
      from,
      to
    } = this.getProgress();
    var colorFrom = new RGBColor(from.getColor());
    var colorTo = new RGBColor(to.getColor());

    if (colorFrom.ok && colorTo.ok) {
      // tween color linearly
      var r = colorFrom.r + (colorTo.r - colorFrom.r) * progress;
      var g = colorFrom.g + (colorTo.g - colorFrom.g) * progress;
      var b = colorFrom.b + (colorTo.b - colorFrom.b) * progress; // ? alpha

      return "rgb(".concat(Math.floor(r), ", ").concat(Math.floor(g), ", ").concat(Math.floor(b), ")");
    }

    return this.getAttribute('from').getColor();
  }

}

class AnimateTransformElement extends AnimateElement {
  constructor() {
    super(...arguments);
    this.type = 'animateTransform';
  }

  calcValue() {
    var {
      progress,
      from,
      to
    } = this.getProgress(); // tween value linearly

    var transformFrom = toNumbers(from.getString());
    var transformTo = toNumbers(to.getString());
    var newValue = transformFrom.map((from, i) => {
      var to = transformTo[i];
      return from + (to - from) * progress;
    }).join(' ');
    return newValue;
  }

}

class FontElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'font';
    this.glyphs = Object.create(null);
    this.horizAdvX = this.getAttribute('horiz-adv-x').getNumber();
    var {
      definitions
    } = document;
    var {
      children
    } = this;

    for (var child of children) {
      switch (child.type) {
        case 'font-face':
          {
            this.fontFace = child;
            var fontFamilyStyle = child.getStyle('font-family');

            if (fontFamilyStyle.hasValue()) {
              definitions[fontFamilyStyle.getString()] = this;
            }

            break;
          }

        case 'missing-glyph':
          this.missingGlyph = child;
          break;

        case 'glyph':
          {
            var glyph = child;

            if (glyph.arabicForm) {
              this.isRTL = true;
              this.isArabic = true;

              if (typeof this.glyphs[glyph.unicode] === 'undefined') {
                this.glyphs[glyph.unicode] = Object.create(null);
              }

              this.glyphs[glyph.unicode][glyph.arabicForm] = glyph;
            } else {
              this.glyphs[glyph.unicode] = glyph;
            }

            break;
          }
      }
    }
  }

  render() {// NO RENDER
  }

}

class FontFaceElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'font-face';
    this.ascent = this.getAttribute('ascent').getNumber();
    this.descent = this.getAttribute('descent').getNumber();
    this.unitsPerEm = this.getAttribute('units-per-em').getNumber();
  }

}

class MissingGlyphElement extends PathElement {
  constructor() {
    super(...arguments);
    this.type = 'missing-glyph';
    this.horizAdvX = 0;
  }

}

class TRefElement extends TextElement {
  constructor() {
    super(...arguments);
    this.type = 'tref';
  }

  getText() {
    var element = this.getHrefAttribute().getDefinition();

    if (element) {
      var firstChild = element.children[0];

      if (firstChild) {
        return firstChild.getText();
      }
    }

    return '';
  }

}

class AElement extends TextElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'a';
    var {
      childNodes
    } = node;
    var firstChild = childNodes[0];
    var hasText = childNodes.length > 0 && Array.from(childNodes).every(node => node.nodeType === 3);
    this.hasText = hasText;
    this.text = hasText ? this.getTextFromNode(firstChild) : '';
  }

  getText() {
    return this.text;
  }

  renderChildren(ctx) {
    if (this.hasText) {
      // render as text element
      super.renderChildren(ctx);
      var {
        document,
        x,
        y
      } = this;
      var {
        mouse
      } = document.screen;
      var fontSize = new Property(document, 'fontSize', Font.parse(document.ctx.font).fontSize); // Do not calc bounding box if mouse is not working.

      if (mouse.isWorking()) {
        mouse.checkBoundingBox(this, new BoundingBox(x, y - fontSize.getPixels('y'), x + this.measureText(ctx), y));
      }
    } else if (this.children.length > 0) {
      // render as temporary group
      var g = new GElement(this.document, null);
      g.children = this.children;
      g.parent = this;
      g.render(ctx);
    }
  }

  onClick() {
    var {
      window
    } = this.document;

    if (window) {
      window.open(this.getHrefAttribute().getString());
    }
  }

  onMouseMove() {
    var ctx = this.document.ctx;
    ctx.canvas.style.cursor = 'pointer';
  }

}

function ownKeys$2(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread$2(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$2(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$2(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
class TextPathElement extends TextElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'textPath';
    this.textWidth = 0;
    this.textHeight = 0;
    this.pathLength = -1;
    this.glyphInfo = null;
    this.letterSpacingCache = [];
    this.measuresCache = new Map([['', 0]]);
    var pathElement = this.getHrefAttribute().getDefinition();
    this.text = this.getTextFromNode();
    this.dataArray = this.parsePathData(pathElement);
  }

  getText() {
    return this.text;
  }

  path(ctx) {
    var {
      dataArray
    } = this;

    if (ctx) {
      ctx.beginPath();
    }

    dataArray.forEach(_ref => {
      var {
        type,
        points
      } = _ref;

      switch (type) {
        case PathParser.LINE_TO:
          if (ctx) {
            ctx.lineTo(points[0], points[1]);
          }

          break;

        case PathParser.MOVE_TO:
          if (ctx) {
            ctx.moveTo(points[0], points[1]);
          }

          break;

        case PathParser.CURVE_TO:
          if (ctx) {
            ctx.bezierCurveTo(points[0], points[1], points[2], points[3], points[4], points[5]);
          }

          break;

        case PathParser.QUAD_TO:
          if (ctx) {
            ctx.quadraticCurveTo(points[0], points[1], points[2], points[3]);
          }

          break;

        case PathParser.ARC:
          {
            var [cx, cy, rx, ry, theta, dTheta, psi, fs] = points;
            var r = rx > ry ? rx : ry;
            var scaleX = rx > ry ? 1 : rx / ry;
            var scaleY = rx > ry ? ry / rx : 1;

            if (ctx) {
              ctx.translate(cx, cy);
              ctx.rotate(psi);
              ctx.scale(scaleX, scaleY);
              ctx.arc(0, 0, r, theta, theta + dTheta, Boolean(1 - fs));
              ctx.scale(1 / scaleX, 1 / scaleY);
              ctx.rotate(-psi);
              ctx.translate(-cx, -cy);
            }

            break;
          }

        case PathParser.CLOSE_PATH:
          if (ctx) {
            ctx.closePath();
          }

          break;
      }
    });
  }

  renderChildren(ctx) {
    this.setTextData(ctx);
    ctx.save();
    var textDecoration = this.parent.getStyle('text-decoration').getString();
    var fontSize = this.getFontSize();
    var {
      glyphInfo
    } = this;
    var fill = ctx.fillStyle;

    if (textDecoration === 'underline') {
      ctx.beginPath();
    }

    glyphInfo.forEach((glyph, i) => {
      var {
        p0,
        p1,
        rotation,
        text: partialText
      } = glyph;
      ctx.save();
      ctx.translate(p0.x, p0.y);
      ctx.rotate(rotation);

      if (ctx.fillStyle) {
        ctx.fillText(partialText, 0, 0);
      }

      if (ctx.strokeStyle) {
        ctx.strokeText(partialText, 0, 0);
      }

      ctx.restore();

      if (textDecoration === 'underline') {
        if (i === 0) {
          ctx.moveTo(p0.x, p0.y + fontSize / 8);
        }

        ctx.lineTo(p1.x, p1.y + fontSize / 5);
      } // // To assist with debugging visually, uncomment following
      //
      // ctx.beginPath();
      // if (i % 2)
      // 	ctx.strokeStyle = 'red';
      // else
      // 	ctx.strokeStyle = 'green';
      // ctx.moveTo(p0.x, p0.y);
      // ctx.lineTo(p1.x, p1.y);
      // ctx.stroke();
      // ctx.closePath();

    });

    if (textDecoration === 'underline') {
      ctx.lineWidth = fontSize / 20;
      ctx.strokeStyle = fill;
      ctx.stroke();
      ctx.closePath();
    }

    ctx.restore();
  }

  getLetterSpacingAt() {
    var idx = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
    return this.letterSpacingCache[idx] || 0;
  }

  findSegmentToFitChar(ctx, anchor, textFullWidth, fullPathWidth, spacesNumber, inputOffset, dy, c, charI) {
    var offset = inputOffset;
    var glyphWidth = this.measureText(ctx, c);

    if (c === ' ' && anchor === 'justify' && textFullWidth < fullPathWidth) {
      glyphWidth += (fullPathWidth - textFullWidth) / spacesNumber;
    }

    if (charI > -1) {
      offset += this.getLetterSpacingAt(charI);
    }

    var splineStep = this.textHeight / 20;
    var p0 = this.getEquidistantPointOnPath(offset, splineStep, 0);
    var p1 = this.getEquidistantPointOnPath(offset + glyphWidth, splineStep, 0);
    var segment = {
      p0,
      p1
    };
    var rotation = p0 && p1 ? Math.atan2(p1.y - p0.y, p1.x - p0.x) : 0;

    if (dy) {
      var dyX = Math.cos(Math.PI / 2 + rotation) * dy;
      var dyY = Math.cos(-rotation) * dy;
      segment.p0 = _objectSpread$2(_objectSpread$2({}, p0), {}, {
        x: p0.x + dyX,
        y: p0.y + dyY
      });
      segment.p1 = _objectSpread$2(_objectSpread$2({}, p1), {}, {
        x: p1.x + dyX,
        y: p1.y + dyY
      });
    }

    offset += glyphWidth;
    return {
      offset,
      segment,
      rotation
    };
  }

  measureText(ctx, text) {
    var {
      measuresCache
    } = this;
    var targetText = text || this.getText();

    if (measuresCache.has(targetText)) {
      return measuresCache.get(targetText);
    }

    var measure = this.measureTargetText(ctx, targetText);
    measuresCache.set(targetText, measure);
    return measure;
  } // This method supposes what all custom fonts already loaded.
  // If some font will be loaded after this method call, <textPath> will not be rendered correctly.
  // You need to call this method manually to update glyphs cache.


  setTextData(ctx) {
    if (this.glyphInfo) {
      return;
    }

    var renderText = this.getText();
    var chars = renderText.split('');
    var spacesNumber = renderText.split(' ').length - 1;
    var dx = this.parent.getAttribute('dx').split().map(_ => _.getPixels('x'));
    var dy = this.parent.getAttribute('dy').getPixels('y');
    var anchor = this.parent.getStyle('text-anchor').getString('start');
    var thisSpacing = this.getStyle('letter-spacing');
    var parentSpacing = this.parent.getStyle('letter-spacing');
    var letterSpacing = 0;

    if (!thisSpacing.hasValue() || thisSpacing.getValue() === 'inherit') {
      letterSpacing = parentSpacing.getPixels();
    } else if (thisSpacing.hasValue()) {
      if (thisSpacing.getValue() !== 'initial' && thisSpacing.getValue() !== 'unset') {
        letterSpacing = thisSpacing.getPixels();
      }
    } // fill letter-spacing cache


    var letterSpacingCache = [];
    var textLen = renderText.length;
    this.letterSpacingCache = letterSpacingCache;

    for (var i = 0; i < textLen; i++) {
      letterSpacingCache.push(typeof dx[i] !== 'undefined' ? dx[i] : letterSpacing);
    }

    var dxSum = letterSpacingCache.reduce((acc, cur, i) => i === 0 ? 0 : acc + cur || 0, 0);
    var textWidth = this.measureText(ctx);
    var textFullWidth = Math.max(textWidth + dxSum, 0);
    this.textWidth = textWidth;
    this.textHeight = this.getFontSize();
    this.glyphInfo = [];
    var fullPathWidth = this.getPathLength();
    var startOffset = this.getStyle('startOffset').getNumber(0) * fullPathWidth;
    var offset = 0;

    if (anchor === 'middle' || anchor === 'center') {
      offset = -textFullWidth / 2;
    }

    if (anchor === 'end' || anchor === 'right') {
      offset = -textFullWidth;
    }

    offset += startOffset;
    chars.forEach((char, i) => {
      // Find such segment what distance between p0 and p1 is approx. width of glyph
      var {
        offset: nextOffset,
        segment,
        rotation
      } = this.findSegmentToFitChar(ctx, anchor, textFullWidth, fullPathWidth, spacesNumber, offset, dy, char, i);
      offset = nextOffset;

      if (!segment.p0 || !segment.p1) {
        return;
      } // const width = this.getLineLength(
      // 	segment.p0.x,
      // 	segment.p0.y,
      // 	segment.p1.x,
      // 	segment.p1.y
      // );
      // Note: Since glyphs are rendered one at a time, any kerning pair data built into the font will not be used.
      // Can foresee having a rough pair table built in that the developer can override as needed.
      // Or use "dx" attribute of the <text> node as a naive replacement
      // const kern = 0;
      // placeholder for future implementation
      // const midpoint = this.getPointOnLine(
      // 	kern + width / 2.0,
      // 	segment.p0.x, segment.p0.y, segment.p1.x, segment.p1.y
      // );


      this.glyphInfo.push({
        // transposeX: midpoint.x,
        // transposeY: midpoint.y,
        text: chars[i],
        p0: segment.p0,
        p1: segment.p1,
        rotation
      });
    });
  }

  parsePathData(path) {
    this.pathLength = -1; // reset path length

    if (!path) {
      return [];
    }

    var pathCommands = [];
    var {
      pathParser
    } = path;
    pathParser.reset(); // convert l, H, h, V, and v to L

    while (!pathParser.isEnd()) {
      var {
        current
      } = pathParser;
      var startX = current ? current.x : 0;
      var startY = current ? current.y : 0;
      var command = pathParser.next();
      var nextCommandType = command.type;
      var points = [];

      switch (command.type) {
        case PathParser.MOVE_TO:
          this.pathM(pathParser, points);
          break;

        case PathParser.LINE_TO:
          nextCommandType = this.pathL(pathParser, points);
          break;

        case PathParser.HORIZ_LINE_TO:
          nextCommandType = this.pathH(pathParser, points);
          break;

        case PathParser.VERT_LINE_TO:
          nextCommandType = this.pathV(pathParser, points);
          break;

        case PathParser.CURVE_TO:
          this.pathC(pathParser, points);
          break;

        case PathParser.SMOOTH_CURVE_TO:
          nextCommandType = this.pathS(pathParser, points);
          break;

        case PathParser.QUAD_TO:
          this.pathQ(pathParser, points);
          break;

        case PathParser.SMOOTH_QUAD_TO:
          nextCommandType = this.pathT(pathParser, points);
          break;

        case PathParser.ARC:
          points = this.pathA(pathParser);
          break;

        case PathParser.CLOSE_PATH:
          PathElement.pathZ(pathParser);
          break;
      }

      if (command.type !== PathParser.CLOSE_PATH) {
        pathCommands.push({
          type: nextCommandType,
          points,
          start: {
            x: startX,
            y: startY
          },
          pathLength: this.calcLength(startX, startY, nextCommandType, points)
        });
      } else {
        pathCommands.push({
          type: PathParser.CLOSE_PATH,
          points: [],
          pathLength: 0
        });
      }
    }

    return pathCommands;
  }

  pathM(pathParser, points) {
    var {
      x,
      y
    } = PathElement.pathM(pathParser).point;
    points.push(x, y);
  }

  pathL(pathParser, points) {
    var {
      x,
      y
    } = PathElement.pathL(pathParser).point;
    points.push(x, y);
    return PathParser.LINE_TO;
  }

  pathH(pathParser, points) {
    var {
      x,
      y
    } = PathElement.pathH(pathParser).point;
    points.push(x, y);
    return PathParser.LINE_TO;
  }

  pathV(pathParser, points) {
    var {
      x,
      y
    } = PathElement.pathV(pathParser).point;
    points.push(x, y);
    return PathParser.LINE_TO;
  }

  pathC(pathParser, points) {
    var {
      point,
      controlPoint,
      currentPoint
    } = PathElement.pathC(pathParser);
    points.push(point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
  }

  pathS(pathParser, points) {
    var {
      point,
      controlPoint,
      currentPoint
    } = PathElement.pathS(pathParser);
    points.push(point.x, point.y, controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    return PathParser.CURVE_TO;
  }

  pathQ(pathParser, points) {
    var {
      controlPoint,
      currentPoint
    } = PathElement.pathQ(pathParser);
    points.push(controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
  }

  pathT(pathParser, points) {
    var {
      controlPoint,
      currentPoint
    } = PathElement.pathT(pathParser);
    points.push(controlPoint.x, controlPoint.y, currentPoint.x, currentPoint.y);
    return PathParser.QUAD_TO;
  }

  pathA(pathParser) {
    var {
      rX,
      rY,
      sweepFlag,
      xAxisRotation,
      centp,
      a1,
      ad
    } = PathElement.pathA(pathParser);

    if (sweepFlag === 0 && ad > 0) {
      ad -= 2 * Math.PI;
    }

    if (sweepFlag === 1 && ad < 0) {
      ad += 2 * Math.PI;
    }

    return [centp.x, centp.y, rX, rY, a1, ad, xAxisRotation, sweepFlag];
  }

  calcLength(x, y, commandType, points) {
    var len = 0;
    var p1 = null;
    var p2 = null;
    var t = 0;

    switch (commandType) {
      case PathParser.LINE_TO:
        return this.getLineLength(x, y, points[0], points[1]);

      case PathParser.CURVE_TO:
        // Approximates by breaking curve into 100 line segments
        len = 0.0;
        p1 = this.getPointOnCubicBezier(0, x, y, points[0], points[1], points[2], points[3], points[4], points[5]);

        for (t = 0.01; t <= 1; t += 0.01) {
          p2 = this.getPointOnCubicBezier(t, x, y, points[0], points[1], points[2], points[3], points[4], points[5]);
          len += this.getLineLength(p1.x, p1.y, p2.x, p2.y);
          p1 = p2;
        }

        return len;

      case PathParser.QUAD_TO:
        // Approximates by breaking curve into 100 line segments
        len = 0.0;
        p1 = this.getPointOnQuadraticBezier(0, x, y, points[0], points[1], points[2], points[3]);

        for (t = 0.01; t <= 1; t += 0.01) {
          p2 = this.getPointOnQuadraticBezier(t, x, y, points[0], points[1], points[2], points[3]);
          len += this.getLineLength(p1.x, p1.y, p2.x, p2.y);
          p1 = p2;
        }

        return len;

      case PathParser.ARC:
        {
          // Approximates by breaking curve into line segments
          len = 0.0;
          var start = points[4]; // 4 = theta

          var dTheta = points[5]; // 5 = dTheta

          var end = points[4] + dTheta;
          var inc = Math.PI / 180.0; // 1 degree resolution

          if (Math.abs(start - end) < inc) {
            inc = Math.abs(start - end);
          } // Note: for purpose of calculating arc length, not going to worry about rotating X-axis by angle psi


          p1 = this.getPointOnEllipticalArc(points[0], points[1], points[2], points[3], start, 0);

          if (dTheta < 0) {
            // clockwise
            for (t = start - inc; t > end; t -= inc) {
              p2 = this.getPointOnEllipticalArc(points[0], points[1], points[2], points[3], t, 0);
              len += this.getLineLength(p1.x, p1.y, p2.x, p2.y);
              p1 = p2;
            }
          } else {
            // counter-clockwise
            for (t = start + inc; t < end; t += inc) {
              p2 = this.getPointOnEllipticalArc(points[0], points[1], points[2], points[3], t, 0);
              len += this.getLineLength(p1.x, p1.y, p2.x, p2.y);
              p1 = p2;
            }
          }

          p2 = this.getPointOnEllipticalArc(points[0], points[1], points[2], points[3], end, 0);
          len += this.getLineLength(p1.x, p1.y, p2.x, p2.y);
          return len;
        }
    }

    return 0;
  }

  getPointOnLine(dist, p1x, p1y, p2x, p2y) {
    var fromX = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : p1x;
    var fromY = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : p1y;
    var m = (p2y - p1y) / (p2x - p1x + PSEUDO_ZERO);
    var run = Math.sqrt(dist * dist / (1 + m * m));

    if (p2x < p1x) {
      run *= -1;
    }

    var rise = m * run;
    var pt = null;

    if (p2x === p1x) {
      // vertical line
      pt = {
        x: fromX,
        y: fromY + rise
      };
    } else if ((fromY - p1y) / (fromX - p1x + PSEUDO_ZERO) === m) {
      pt = {
        x: fromX + run,
        y: fromY + rise
      };
    } else {
      var ix = 0;
      var iy = 0;
      var len = this.getLineLength(p1x, p1y, p2x, p2y);

      if (len < PSEUDO_ZERO) {
        return null;
      }

      var u = (fromX - p1x) * (p2x - p1x) + (fromY - p1y) * (p2y - p1y);
      u /= len * len;
      ix = p1x + u * (p2x - p1x);
      iy = p1y + u * (p2y - p1y);
      var pRise = this.getLineLength(fromX, fromY, ix, iy);
      var pRun = Math.sqrt(dist * dist - pRise * pRise);
      run = Math.sqrt(pRun * pRun / (1 + m * m));

      if (p2x < p1x) {
        run *= -1;
      }

      rise = m * run;
      pt = {
        x: ix + run,
        y: iy + rise
      };
    }

    return pt;
  }

  getPointOnPath(distance) {
    var fullLen = this.getPathLength();
    var cumulativePathLength = 0;
    var p = null;

    if (distance < -0.00005 || distance - 0.00005 > fullLen) {
      return null;
    }

    var {
      dataArray
    } = this;

    for (var command of dataArray) {
      if (command && (command.pathLength < 0.00005 || cumulativePathLength + command.pathLength + 0.00005 < distance)) {
        cumulativePathLength += command.pathLength;
        continue;
      }

      var delta = distance - cumulativePathLength;
      var currentT = 0;

      switch (command.type) {
        case PathParser.LINE_TO:
          p = this.getPointOnLine(delta, command.start.x, command.start.y, command.points[0], command.points[1], command.start.x, command.start.y);
          break;

        case PathParser.ARC:
          {
            var start = command.points[4]; // 4 = theta

            var dTheta = command.points[5]; // 5 = dTheta

            var end = command.points[4] + dTheta;
            currentT = start + delta / command.pathLength * dTheta;

            if (dTheta < 0 && currentT < end || dTheta >= 0 && currentT > end) {
              break;
            }

            p = this.getPointOnEllipticalArc(command.points[0], command.points[1], command.points[2], command.points[3], currentT, command.points[6]);
            break;
          }

        case PathParser.CURVE_TO:
          currentT = delta / command.pathLength;

          if (currentT > 1) {
            currentT = 1;
          }

          p = this.getPointOnCubicBezier(currentT, command.start.x, command.start.y, command.points[0], command.points[1], command.points[2], command.points[3], command.points[4], command.points[5]);
          break;

        case PathParser.QUAD_TO:
          currentT = delta / command.pathLength;

          if (currentT > 1) {
            currentT = 1;
          }

          p = this.getPointOnQuadraticBezier(currentT, command.start.x, command.start.y, command.points[0], command.points[1], command.points[2], command.points[3]);
          break;
      }

      if (p) {
        return p;
      }

      break;
    }

    return null;
  }

  getLineLength(x1, y1, x2, y2) {
    return Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
  }

  getPathLength() {
    if (this.pathLength === -1) {
      this.pathLength = this.dataArray.reduce((length, command) => command.pathLength > 0 ? length + command.pathLength : length, 0);
    }

    return this.pathLength;
  }

  getPointOnCubicBezier(pct, p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y) {
    var x = p4x * CB1(pct) + p3x * CB2(pct) + p2x * CB3(pct) + p1x * CB4(pct);
    var y = p4y * CB1(pct) + p3y * CB2(pct) + p2y * CB3(pct) + p1y * CB4(pct);
    return {
      x,
      y
    };
  }

  getPointOnQuadraticBezier(pct, p1x, p1y, p2x, p2y, p3x, p3y) {
    var x = p3x * QB1(pct) + p2x * QB2(pct) + p1x * QB3(pct);
    var y = p3y * QB1(pct) + p2y * QB2(pct) + p1y * QB3(pct);
    return {
      x,
      y
    };
  }

  getPointOnEllipticalArc(cx, cy, rx, ry, theta, psi) {
    var cosPsi = Math.cos(psi);
    var sinPsi = Math.sin(psi);
    var pt = {
      x: rx * Math.cos(theta),
      y: ry * Math.sin(theta)
    };
    return {
      x: cx + (pt.x * cosPsi - pt.y * sinPsi),
      y: cy + (pt.x * sinPsi + pt.y * cosPsi)
    };
  } // TODO need some optimisations. possibly build cache only for curved segments?


  buildEquidistantCache(inputStep, inputPrecision) {
    var fullLen = this.getPathLength();
    var precision = inputPrecision || 0.25; // accuracy vs performance

    var step = inputStep || fullLen / 100;

    if (!this.equidistantCache || this.equidistantCache.step !== step || this.equidistantCache.precision !== precision) {
      // Prepare cache
      this.equidistantCache = {
        step,
        precision,
        points: []
      }; // Calculate points

      var s = 0;

      for (var l = 0; l <= fullLen; l += precision) {
        var p0 = this.getPointOnPath(l);
        var p1 = this.getPointOnPath(l + precision);

        if (!p0 || !p1) {
          continue;
        }

        s += this.getLineLength(p0.x, p0.y, p1.x, p1.y);

        if (s >= step) {
          this.equidistantCache.points.push({
            x: p0.x,
            y: p0.y,
            distance: l
          });
          s -= step;
        }
      }
    }
  }

  getEquidistantPointOnPath(targetDistance, step, precision) {
    this.buildEquidistantCache(step, precision);

    if (targetDistance < 0 || targetDistance - this.getPathLength() > 0.00005) {
      return null;
    }

    var idx = Math.round(targetDistance / this.getPathLength() * (this.equidistantCache.points.length - 1));
    return this.equidistantCache.points[idx] || null;
  }

}

var dataUriRegex = /^\s*data:(([^/,;]+\/[^/,;]+)(?:;([^,;=]+=[^,;=]+))?)?(?:;(base64))?,(.*)$/i;
class ImageElement extends RenderedElement {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'image';
    this.loaded = false;
    var href = this.getHrefAttribute().getString();

    if (!href) {
      return;
    }

    var isSvg = href.endsWith('.svg') || /^\s*data:image\/svg\+xml/i.test(href);
    document.images.push(this);

    if (!isSvg) {
      void this.loadImage(href);
    } else {
      void this.loadSvg(href);
    }

    this.isSvg = isSvg;
  }

  loadImage(href) {
    var _this = this;

    return _asyncToGenerator(function* () {
      try {
        var image = yield _this.document.createImage(href);
        _this.image = image;
      } catch (err) {
        console.error("Error while loading image \"".concat(href, "\":"), err);
      }

      _this.loaded = true;
    })();
  }

  loadSvg(href) {
    var _this2 = this;

    return _asyncToGenerator(function* () {
      var match = dataUriRegex.exec(href);

      if (match) {
        var data = match[5];

        if (match[4] === 'base64') {
          _this2.image = atob(data);
        } else {
          _this2.image = decodeURIComponent(data);
        }
      } else {
        try {
          var response = yield _this2.document.fetch(href);
          var svg = yield response.text();
          _this2.image = svg;
        } catch (err) {
          console.error("Error while loading image \"".concat(href, "\":"), err);
        }
      }

      _this2.loaded = true;
    })();
  }

  renderChildren(ctx) {
    var {
      document,
      image,
      loaded
    } = this;
    var x = this.getAttribute('x').getPixels('x');
    var y = this.getAttribute('y').getPixels('y');
    var width = this.getStyle('width').getPixels('x');
    var height = this.getStyle('height').getPixels('y');

    if (!loaded || !image || !width || !height) {
      return;
    }

    ctx.save();
    ctx.translate(x, y);

    if (this.isSvg) {
      var subDocument = document.canvg.forkString(ctx, this.image, {
        ignoreMouse: true,
        ignoreAnimation: true,
        ignoreDimensions: true,
        ignoreClear: true,
        offsetX: 0,
        offsetY: 0,
        scaleWidth: width,
        scaleHeight: height
      });
      subDocument.document.documentElement.parent = this;
      void subDocument.render();
    } else {
      var _image = this.image;
      document.setViewBox({
        ctx,
        aspectRatio: this.getAttribute('preserveAspectRatio').getString(),
        width,
        desiredWidth: _image.width,
        height,
        desiredHeight: _image.height
      });

      if (this.loaded) {
        if (typeof _image.complete === 'undefined' || _image.complete) {
          ctx.drawImage(_image, 0, 0);
        }
      }
    }

    ctx.restore();
  }

  getBoundingBox() {
    var x = this.getAttribute('x').getPixels('x');
    var y = this.getAttribute('y').getPixels('y');
    var width = this.getStyle('width').getPixels('x');
    var height = this.getStyle('height').getPixels('y');
    return new BoundingBox(x, y, x + width, y + height);
  }

}

class SymbolElement extends RenderedElement {
  constructor() {
    super(...arguments);
    this.type = 'symbol';
  }

  render(_) {// NO RENDER
  }

}

class SVGFontLoader {
  constructor(document) {
    this.document = document;
    this.loaded = false;
    document.fonts.push(this);
  }

  load(fontFamily, url) {
    var _this = this;

    return _asyncToGenerator(function* () {
      try {
        var {
          document
        } = _this;
        var svgDocument = yield document.canvg.parser.load(url);
        var fonts = svgDocument.getElementsByTagName('font');
        Array.from(fonts).forEach(fontNode => {
          var font = document.createElement(fontNode);
          document.definitions[fontFamily] = font;
        });
      } catch (err) {
        console.error("Error while loading font \"".concat(url, "\":"), err);
      }

      _this.loaded = true;
    })();
  }

}

class StyleElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'style';
    var css = compressSpaces(Array.from(node.childNodes) // NEED TEST
    .map(_ => _.textContent).join('').replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, '') // remove comments
    .replace(/@import.*;/g, '') // remove imports
    );
    var cssDefs = css.split('}');
    cssDefs.forEach(_ => {
      var def = _.trim();

      if (!def) {
        return;
      }

      var cssParts = def.split('{');
      var cssClasses = cssParts[0].split(',');
      var cssProps = cssParts[1].split(';');
      cssClasses.forEach(_ => {
        var cssClass = _.trim();

        if (!cssClass) {
          return;
        }

        var props = document.styles[cssClass] || {};
        cssProps.forEach(cssProp => {
          var prop = cssProp.indexOf(':');
          var name = cssProp.substr(0, prop).trim();
          var value = cssProp.substr(prop + 1, cssProp.length - prop).trim();

          if (name && value) {
            props[name] = new Property(document, name, value);
          }
        });
        document.styles[cssClass] = props;
        document.stylesSpecificity[cssClass] = getSelectorSpecificity(cssClass);

        if (cssClass === '@font-face') {
          //  && !nodeEnv
          var fontFamily = props['font-family'].getString().replace(/"|'/g, '');
          var srcs = props.src.getString().split(',');
          srcs.forEach(src => {
            if (src.indexOf('format("svg")') > 0) {
              var url = parseExternalUrl(src);

              if (url) {
                void new SVGFontLoader(document).load(fontFamily, url);
              }
            }
          });
        }
      });
    });
  }

}
StyleElement.parseExternalUrl = parseExternalUrl;

class UseElement extends RenderedElement {
  constructor() {
    super(...arguments);
    this.type = 'use';
  }

  setContext(ctx) {
    super.setContext(ctx);
    var xAttr = this.getAttribute('x');
    var yAttr = this.getAttribute('y');

    if (xAttr.hasValue()) {
      ctx.translate(xAttr.getPixels('x'), 0);
    }

    if (yAttr.hasValue()) {
      ctx.translate(0, yAttr.getPixels('y'));
    }
  }

  path(ctx) {
    var {
      element
    } = this;

    if (element) {
      element.path(ctx);
    }
  }

  renderChildren(ctx) {
    var {
      document,
      element
    } = this;

    if (element) {
      var tempSvg = element;

      if (element.type === 'symbol') {
        // render me using a temporary svg element in symbol cases (http://www.w3.org/TR/SVG/struct.html#UseElement)
        tempSvg = new SVGElement(document, null);
        tempSvg.attributes.viewBox = new Property(document, 'viewBox', element.getAttribute('viewBox').getString());
        tempSvg.attributes.preserveAspectRatio = new Property(document, 'preserveAspectRatio', element.getAttribute('preserveAspectRatio').getString());
        tempSvg.attributes.overflow = new Property(document, 'overflow', element.getAttribute('overflow').getString());
        tempSvg.children = element.children; // element is still the parent of the children

        element.styles.opacity = new Property(document, 'opacity', this.calculateOpacity());
      }

      if (tempSvg.type === 'svg') {
        var widthStyle = this.getStyle('width', false, true);
        var heightStyle = this.getStyle('height', false, true); // if symbol or svg, inherit width/height from me

        if (widthStyle.hasValue()) {
          tempSvg.attributes.width = new Property(document, 'width', widthStyle.getString());
        }

        if (heightStyle.hasValue()) {
          tempSvg.attributes.height = new Property(document, 'height', heightStyle.getString());
        }
      }

      var oldParent = tempSvg.parent;
      tempSvg.parent = this;
      tempSvg.render(ctx);
      tempSvg.parent = oldParent;
    }
  }

  getBoundingBox(ctx) {
    var {
      element
    } = this;

    if (element) {
      return element.getBoundingBox(ctx);
    }

    return null;
  }

  elementTransform() {
    var {
      document,
      element
    } = this;
    return Transform.fromElement(document, element);
  }

  get element() {
    if (!this.cachedElement) {
      this.cachedElement = this.getHrefAttribute().getDefinition();
    }

    return this.cachedElement;
  }

}

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;
}

function m(matrix, i, v) {
  var mi = matrix[i];
  return mi * v;
}

function c(a, m1, m2, m3) {
  return m1 + Math.cos(a) * m2 + Math.sin(a) * m3;
}

class FeColorMatrixElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'feColorMatrix';
    var matrix = toNumbers(this.getAttribute('values').getString());

    switch (this.getAttribute('type').getString('matrix')) {
      // http://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
      case 'saturate':
        {
          var s = matrix[0];
          /* eslint-disable array-element-newline */

          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];
          /* eslint-enable array-element-newline */

          break;
        }

      case 'hueRotate':
        {
          var a = matrix[0] * Math.PI / 180.0;
          /* eslint-disable array-element-newline */

          matrix = [c(a, 0.213, 0.787, -0.213), c(a, 0.715, -0.715, -0.715), c(a, 0.072, -0.072, 0.928), 0, 0, c(a, 0.213, -0.213, 0.143), c(a, 0.715, 0.285, 0.140), c(a, 0.072, -0.072, -0.283), 0, 0, c(a, 0.213, -0.213, -0.787), c(a, 0.715, -0.715, 0.715), c(a, 0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
          /* eslint-enable array-element-newline */

          break;
        }

      case 'luminanceToAlpha':
        /* eslint-disable array-element-newline */
        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];
        /* eslint-enable array-element-newline */

        break;
    }

    this.matrix = matrix;
    this.includeOpacity = this.getAttribute('includeOpacity').hasValue();
  }

  apply(ctx, _x, _y, width, height) {
    // assuming x==0 && y==0 for now
    var {
      includeOpacity,
      matrix
    } = this;
    var srcData = ctx.getImageData(0, 0, width, height);

    for (var y = 0; y < height; y++) {
      for (var x = 0; x < width; x++) {
        var r = imGet(srcData.data, x, y, width, height, 0);
        var g = imGet(srcData.data, x, y, width, height, 1);
        var b = imGet(srcData.data, x, y, width, height, 2);
        var a = imGet(srcData.data, x, y, width, height, 3);
        var nr = m(matrix, 0, r) + m(matrix, 1, g) + m(matrix, 2, b) + m(matrix, 3, a) + m(matrix, 4, 1);
        var ng = m(matrix, 5, r) + m(matrix, 6, g) + m(matrix, 7, b) + m(matrix, 8, a) + m(matrix, 9, 1);
        var nb = m(matrix, 10, r) + m(matrix, 11, g) + m(matrix, 12, b) + m(matrix, 13, a) + m(matrix, 14, 1);
        var na = m(matrix, 15, r) + m(matrix, 16, g) + m(matrix, 17, b) + m(matrix, 18, a) + m(matrix, 19, 1);

        if (includeOpacity) {
          nr = 0;
          ng = 0;
          nb = 0;
          na *= a / 255;
        }

        imSet(srcData.data, x, y, width, height, 0, nr);
        imSet(srcData.data, x, y, width, height, 1, ng);
        imSet(srcData.data, x, y, width, height, 2, nb);
        imSet(srcData.data, x, y, width, height, 3, na);
      }
    }

    ctx.clearRect(0, 0, width, height);
    ctx.putImageData(srcData, 0, 0);
  }

}

class MaskElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'mask';
  }

  apply(ctx, element) {
    var {
      document
    } = this; // render as temp svg

    var x = this.getAttribute('x').getPixels('x');
    var y = this.getAttribute('y').getPixels('y');
    var width = this.getStyle('width').getPixels('x');
    var height = this.getStyle('height').getPixels('y');

    if (!width && !height) {
      var boundingBox = new BoundingBox();
      this.children.forEach(child => {
        boundingBox.addBoundingBox(child.getBoundingBox(ctx));
      });
      x = Math.floor(boundingBox.x1);
      y = Math.floor(boundingBox.y1);
      width = Math.floor(boundingBox.width);
      height = Math.floor(boundingBox.height);
    }

    var ignoredStyles = this.removeStyles(element, MaskElement.ignoreStyles);
    var maskCanvas = document.createCanvas(x + width, y + height);
    var maskCtx = maskCanvas.getContext('2d');
    document.screen.setDefaults(maskCtx);
    this.renderChildren(maskCtx); // convert mask to alpha with a fake node
    // TODO: refactor out apply from feColorMatrix

    new FeColorMatrixElement(document, {
      nodeType: 1,
      childNodes: [],
      attributes: [{
        nodeName: 'type',
        value: 'luminanceToAlpha'
      }, {
        nodeName: 'includeOpacity',
        value: 'true'
      }]
    }).apply(maskCtx, 0, 0, x + width, y + height);
    var tmpCanvas = document.createCanvas(x + width, y + height);
    var tmpCtx = tmpCanvas.getContext('2d');
    document.screen.setDefaults(tmpCtx);
    element.render(tmpCtx);
    tmpCtx.globalCompositeOperation = 'destination-in';
    tmpCtx.fillStyle = maskCtx.createPattern(maskCanvas, 'no-repeat');
    tmpCtx.fillRect(0, 0, x + width, y + height);
    ctx.fillStyle = tmpCtx.createPattern(tmpCanvas, 'no-repeat');
    ctx.fillRect(0, 0, x + width, y + height); // reassign mask

    this.restoreStyles(element, ignoredStyles);
  }

  render(_) {// NO RENDER
  }

}
MaskElement.ignoreStyles = ['mask', 'transform', 'clip-path'];

var noop = () => {// NOOP
};

class ClipPathElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'clipPath';
  }

  apply(ctx) {
    var {
      document
    } = this;
    var contextProto = Reflect.getPrototypeOf(ctx);
    var {
      beginPath,
      closePath
    } = ctx;

    if (contextProto) {
      contextProto.beginPath = noop;
      contextProto.closePath = noop;
    }

    Reflect.apply(beginPath, ctx, []);
    this.children.forEach(child => {
      if (typeof child.path === 'undefined') {
        return;
      }

      var transform = typeof child.elementTransform !== 'undefined' ? child.elementTransform() : null; // handle <use />

      if (!transform) {
        transform = Transform.fromElement(document, child);
      }

      if (transform) {
        transform.apply(ctx);
      }

      child.path(ctx);

      if (contextProto) {
        contextProto.closePath = closePath;
      }

      if (transform) {
        transform.unapply(ctx);
      }
    });
    Reflect.apply(closePath, ctx, []);
    ctx.clip();

    if (contextProto) {
      contextProto.beginPath = beginPath;
      contextProto.closePath = closePath;
    }
  }

  render(_) {// NO RENDER
  }

}

class FilterElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'filter';
  }

  apply(ctx, element) {
    // render as temp svg
    var {
      document,
      children
    } = this;
    var boundingBox = element.getBoundingBox(ctx);

    if (!boundingBox) {
      return;
    }

    var px = 0;
    var py = 0;
    children.forEach(child => {
      var efd = child.extraFilterDistance || 0;
      px = Math.max(px, efd);
      py = Math.max(py, efd);
    });
    var width = Math.floor(boundingBox.width);
    var height = Math.floor(boundingBox.height);
    var tmpCanvasWidth = width + 2 * px;
    var tmpCanvasHeight = height + 2 * py;

    if (tmpCanvasWidth < 1 || tmpCanvasHeight < 1) {
      return;
    }

    var x = Math.floor(boundingBox.x);
    var y = Math.floor(boundingBox.y);
    var ignoredStyles = this.removeStyles(element, FilterElement.ignoreStyles);
    var tmpCanvas = document.createCanvas(tmpCanvasWidth, tmpCanvasHeight);
    var tmpCtx = tmpCanvas.getContext('2d');
    document.screen.setDefaults(tmpCtx);
    tmpCtx.translate(-x + px, -y + py);
    element.render(tmpCtx); // apply filters

    children.forEach(child => {
      if (typeof child.apply === 'function') {
        child.apply(tmpCtx, 0, 0, tmpCanvasWidth, tmpCanvasHeight);
      }
    }); // render on me

    ctx.drawImage(tmpCanvas, 0, 0, tmpCanvasWidth, tmpCanvasHeight, x - px, y - py, tmpCanvasWidth, tmpCanvasHeight);
    this.restoreStyles(element, ignoredStyles);
  }

  render(_) {// NO RENDER
  }

}
FilterElement.ignoreStyles = ['filter', 'transform', 'clip-path'];

class FeDropShadowElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'feDropShadow';
    this.addStylesFromStyleDefinition();
  }

  apply(_, _x, _y, _width, _height) {// TODO: implement
  }

}

class FeMorphologyElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'feMorphology';
  }

  apply(_, _x, _y, _width, _height) {// TODO: implement
  }

}

class FeCompositeElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'feComposite';
  }

  apply(_, _x, _y, _width, _height) {// TODO: implement
  }

}

class FeGaussianBlurElement extends Element {
  constructor(document, node, captureTextNodes) {
    super(document, node, captureTextNodes);
    this.type = 'feGaussianBlur';
    this.blurRadius = Math.floor(this.getAttribute('stdDeviation').getNumber());
    this.extraFilterDistance = this.blurRadius;
  }

  apply(ctx, x, y, width, height) {
    var {
      document,
      blurRadius
    } = this;
    var body = document.window ? document.window.document.body : null;
    var canvas = ctx.canvas; // StackBlur requires canvas be on document

    canvas.id = document.getUniqueId();

    if (body) {
      canvas.style.display = 'none';
      body.appendChild(canvas);
    }

    canvasRGBA(canvas, x, y, width, height, blurRadius);

    if (body) {
      body.removeChild(canvas);
    }
  }

}

class TitleElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'title';
  }

}

class DescElement extends Element {
  constructor() {
    super(...arguments);
    this.type = 'desc';
  }

}

var elements = {
  'svg': SVGElement,
  'rect': RectElement,
  'circle': CircleElement,
  'ellipse': EllipseElement,
  'line': LineElement,
  'polyline': PolylineElement,
  'polygon': PolygonElement,
  'path': PathElement,
  'pattern': PatternElement,
  'marker': MarkerElement,
  'defs': DefsElement,
  'linearGradient': LinearGradientElement,
  'radialGradient': RadialGradientElement,
  'stop': StopElement,
  'animate': AnimateElement,
  'animateColor': AnimateColorElement,
  'animateTransform': AnimateTransformElement,
  'font': FontElement,
  'font-face': FontFaceElement,
  'missing-glyph': MissingGlyphElement,
  'glyph': GlyphElement,
  'text': TextElement,
  'tspan': TSpanElement,
  'tref': TRefElement,
  'a': AElement,
  'textPath': TextPathElement,
  'image': ImageElement,
  'g': GElement,
  'symbol': SymbolElement,
  'style': StyleElement,
  'use': UseElement,
  'mask': MaskElement,
  'clipPath': ClipPathElement,
  'filter': FilterElement,
  'feDropShadow': FeDropShadowElement,
  'feMorphology': FeMorphologyElement,
  'feComposite': FeCompositeElement,
  'feColorMatrix': FeColorMatrixElement,
  'feGaussianBlur': FeGaussianBlurElement,
  'title': TitleElement,
  'desc': DescElement
};

function ownKeys$1(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread$1(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$1(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$1(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function createCanvas(width, height) {
  var canvas = document.createElement('canvas');
  canvas.width = width;
  canvas.height = height;
  return canvas;
}

function createImage(_x) {
  return _createImage.apply(this, arguments);
}

function _createImage() {
  _createImage = _asyncToGenerator(function* (src) {
    var anonymousCrossOrigin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
    var image = document.createElement('img');

    if (anonymousCrossOrigin) {
      image.crossOrigin = 'Anonymous';
    }

    return new Promise((resolve, reject) => {
      image.onload = () => {
        resolve(image);
      };

      image.onerror = (_event, _source, _lineno, _colno, error) => {
        reject(error);
      };

      image.src = src;
    });
  });
  return _createImage.apply(this, arguments);
}

class Document {
  constructor(canvg) {
    var {
      rootEmSize = 12,
      emSize = 12,
      createCanvas = Document.createCanvas,
      createImage = Document.createImage,
      anonymousCrossOrigin
    } = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    this.canvg = canvg;
    this.definitions = Object.create(null);
    this.styles = Object.create(null);
    this.stylesSpecificity = Object.create(null);
    this.images = [];
    this.fonts = [];
    this.emSizeStack = [];
    this.uniqueId = 0;
    this.screen = canvg.screen;
    this.rootEmSize = rootEmSize;
    this.emSize = emSize;
    this.createCanvas = createCanvas;
    this.createImage = this.bindCreateImage(createImage, anonymousCrossOrigin);
    this.screen.wait(this.isImagesLoaded.bind(this));
    this.screen.wait(this.isFontsLoaded.bind(this));
  }

  bindCreateImage(createImage, anonymousCrossOrigin) {
    if (typeof anonymousCrossOrigin === 'boolean') {
      return (source, forceAnonymousCrossOrigin) => createImage(source, typeof forceAnonymousCrossOrigin === 'boolean' ? forceAnonymousCrossOrigin : anonymousCrossOrigin);
    }

    return createImage;
  }

  get window() {
    return this.screen.window;
  }

  get fetch() {
    return this.screen.fetch;
  }

  get ctx() {
    return this.screen.ctx;
  }

  get emSize() {
    var {
      emSizeStack
    } = this;
    return emSizeStack[emSizeStack.length - 1];
  }

  set emSize(value) {
    var {
      emSizeStack
    } = this;
    emSizeStack.push(value);
  }

  popEmSize() {
    var {
      emSizeStack
    } = this;
    emSizeStack.pop();
  }

  getUniqueId() {
    return "canvg".concat(++this.uniqueId);
  }

  isImagesLoaded() {
    return this.images.every(_ => _.loaded);
  }

  isFontsLoaded() {
    return this.fonts.every(_ => _.loaded);
  }

  createDocumentElement(document) {
    var documentElement = this.createElement(document.documentElement);
    documentElement.root = true;
    documentElement.addStylesFromStyleDefinition();
    this.documentElement = documentElement;
    return documentElement;
  }

  createElement(node) {
    var elementType = node.nodeName.replace(/^[^:]+:/, '');
    var ElementType = Document.elementTypes[elementType];

    if (typeof ElementType !== 'undefined') {
      return new ElementType(this, node);
    }

    return new UnknownElement(this, node);
  }

  createTextNode(node) {
    return new TextNode(this, node);
  }

  setViewBox(config) {
    this.screen.setViewBox(_objectSpread$1({
      document: this
    }, config));
  }

}
Document.createCanvas = createCanvas;
Document.createImage = createImage;
Document.elementTypes = elements;

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
/**
 * SVG renderer on canvas.
 */

class Canvg {
  /**
   * Main constructor.
   * @param ctx - Rendering context.
   * @param svg - SVG Document.
   * @param options - Rendering options.
   */
  constructor(ctx, svg) {
    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
    this.parser = new Parser(options);
    this.screen = new Screen(ctx, options);
    this.options = options;
    var document = new Document(this, options);
    var documentElement = document.createDocumentElement(svg);
    this.document = document;
    this.documentElement = documentElement;
  }
  /**
   * Create Canvg instance from SVG source string or URL.
   * @param ctx - Rendering context.
   * @param svg - SVG source string or URL.
   * @param options - Rendering options.
   * @returns Canvg instance.
   */


  static from(ctx, svg) {
    var _arguments = arguments;
    return _asyncToGenerator(function* () {
      var options = _arguments.length > 2 && _arguments[2] !== undefined ? _arguments[2] : {};
      var parser = new Parser(options);
      var svgDocument = yield parser.parse(svg);
      return new Canvg(ctx, svgDocument, options);
    })();
  }
  /**
   * Create Canvg instance from SVG source string.
   * @param ctx - Rendering context.
   * @param svg - SVG source string.
   * @param options - Rendering options.
   * @returns Canvg instance.
   */


  static fromString(ctx, svg) {
    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
    var parser = new Parser(options);
    var svgDocument = parser.parseFromString(svg);
    return new Canvg(ctx, svgDocument, options);
  }
  /**
   * Create new Canvg instance with inherited options.
   * @param ctx - Rendering context.
   * @param svg - SVG source string or URL.
   * @param options - Rendering options.
   * @returns Canvg instance.
   */


  fork(ctx, svg) {
    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
    return Canvg.from(ctx, svg, _objectSpread(_objectSpread({}, this.options), options));
  }
  /**
   * Create new Canvg instance with inherited options.
   * @param ctx - Rendering context.
   * @param svg - SVG source string.
   * @param options - Rendering options.
   * @returns Canvg instance.
   */


  forkString(ctx, svg) {
    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
    return Canvg.fromString(ctx, svg, _objectSpread(_objectSpread({}, this.options), options));
  }
  /**
   * Document is ready promise.
   * @returns Ready promise.
   */


  ready() {
    return this.screen.ready();
  }
  /**
   * Document is ready value.
   * @returns Is ready or not.
   */


  isReady() {
    return this.screen.isReady();
  }
  /**
   * Render only first frame, ignoring animations and mouse.
   * @param options - Rendering options.
   */


  render() {
    var _arguments2 = arguments,
        _this = this;

    return _asyncToGenerator(function* () {
      var options = _arguments2.length > 0 && _arguments2[0] !== undefined ? _arguments2[0] : {};

      _this.start(_objectSpread({
        enableRedraw: true,
        ignoreAnimation: true,
        ignoreMouse: true
      }, options));

      yield _this.ready();

      _this.stop();
    })();
  }
  /**
   * Start rendering.
   * @param options - Render options.
   */


  start() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var {
      documentElement,
      screen,
      options: baseOptions
    } = this;
    screen.start(documentElement, _objectSpread(_objectSpread({
      enableRedraw: true
    }, baseOptions), options));
  }
  /**
   * Stop rendering.
   */


  stop() {
    this.screen.stop();
  }
  /**
   * Resize SVG to fit in given size.
   * @param width
   * @param height
   * @param preserveAspectRatio
   */


  resize(width) {
    var height = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : width;
    var preserveAspectRatio = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    this.documentElement.resize(width, height, preserveAspectRatio);
  }

}

export { AElement, AnimateColorElement, AnimateElement, AnimateTransformElement, BoundingBox, CB1, CB2, CB3, CB4, Canvg, CircleElement, ClipPathElement, DefsElement, DescElement, Document, Element, EllipseElement, FeColorMatrixElement, FeCompositeElement, FeDropShadowElement, FeGaussianBlurElement, FeMorphologyElement, FilterElement, Font, FontElement, FontFaceElement, GElement, GlyphElement, GradientElement, ImageElement, LineElement, LinearGradientElement, MarkerElement, MaskElement, Matrix, MissingGlyphElement, Mouse, PSEUDO_ZERO, Parser, PathElement, PathParser, PatternElement, Point, PolygonElement, PolylineElement, Property, QB1, QB2, QB3, RadialGradientElement, RectElement, RenderedElement, Rotate, SVGElement, SVGFontLoader, Scale, Screen, Skew, SkewX, SkewY, StopElement, StyleElement, SymbolElement, TRefElement, TSpanElement, TextElement, TextPathElement, TitleElement, Transform, Translate, UnknownElement, UseElement, ViewPort, compressSpaces, Canvg as default, getSelectorSpecificity, normalizeAttributeName, normalizeColor, parseExternalUrl, index as presets, toNumbers, trimLeft, trimRight, vectorMagnitude, vectorsAngle, vectorsRatio };
//# sourceMappingURL=data:application/json;charset=utf-8;base64, 
