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util = require(\"./core/util\");\n\nvar _config = require(\"./config\");\n\nvar devicePixelRatio = _config.devicePixelRatio;\n\nvar Style = require(\"./graphic/Style\");\n\nvar Pattern = require(\"./graphic/Pattern\");\n\n/**\n * @module zrender/Layer\n * @author pissang(https://www.github.com/pissang)\n */\nfunction returnFalse() {\n  return false;\n}\n/**\n * 创建dom\n *\n * @inner\n * @param {string} id dom id 待用\n * @param {Painter} painter painter instance\n * @param {number} number\n */\n\n\nfunction createDom(id, painter, dpr) {\n  var newDom = util.createCanvas();\n  var width = painter.getWidth();\n  var height = painter.getHeight();\n  var newDomStyle = newDom.style;\n\n  if (newDomStyle) {\n    // In node or some other non-browser environment\n    newDomStyle.position = 'absolute';\n    newDomStyle.left = 0;\n    newDomStyle.top = 0;\n    newDomStyle.width = width + 'px';\n    newDomStyle.height = height + 'px';\n    newDom.setAttribute('data-zr-dom-id', id);\n  }\n\n  newDom.width = width * dpr;\n  newDom.height = height * dpr;\n  return newDom;\n}\n/**\n * @alias module:zrender/Layer\n * @constructor\n * @extends module:zrender/mixin/Transformable\n * @param {string} id\n * @param {module:zrender/Painter} painter\n * @param {number} [dpr]\n */\n\n\nvar Layer = function (id, painter, dpr) {\n  var dom;\n  dpr = dpr || devicePixelRatio;\n\n  if (typeof id === 'string') {\n    dom = createDom(id, painter, dpr);\n  } // Not using isDom because in node it will return false\n  else if (util.isObject(id)) {\n      dom = id;\n      id = dom.id;\n    }\n\n  this.id = id;\n  this.dom = dom;\n  var domStyle = dom.style;\n\n  if (domStyle) {\n    // Not in node\n    dom.onselectstart = returnFalse; // 避免页面选中的尴尬\n\n    domStyle['-webkit-user-select'] = 'none';\n    domStyle['user-select'] = 'none';\n    domStyle['-webkit-touch-callout'] = 'none';\n    domStyle['-webkit-tap-highlight-color'] = 'rgba(0,0,0,0)';\n    domStyle['padding'] = 0; // eslint-disable-line dot-notation\n\n    domStyle['margin'] = 0; // eslint-disable-line dot-notation\n\n    domStyle['border-width'] = 0;\n  }\n\n  this.domBack = null;\n  this.ctxBack = null;\n  this.painter = painter;\n  this.config = null; // Configs\n\n  /**\n   * 每次清空画布的颜色\n   * @type {string}\n   * @default 0\n   */\n\n  this.clearColor = 0;\n  /**\n   * 是否开启动态模糊\n   * @type {boolean}\n   * @default false\n   */\n\n  this.motionBlur = false;\n  /**\n   * 在开启动态模糊的时候使用，与上一帧混合的alpha值，值越大尾迹越明显\n   * @type {number}\n   * @default 0.7\n   */\n\n  this.lastFrameAlpha = 0.7;\n  /**\n   * Layer dpr\n   * @type {number}\n   */\n\n  this.dpr = dpr;\n};\n\nLayer.prototype = {\n  constructor: Layer,\n  __dirty: true,\n  __used: false,\n  __drawIndex: 0,\n  __startIndex: 0,\n  __endIndex: 0,\n  incremental: false,\n  getElementCount: function () {\n    return this.__endIndex - this.__startIndex;\n  },\n  initContext: function () {\n    this.ctx = this.dom.getContext('2d');\n    this.ctx.dpr = this.dpr;\n  },\n  createBackBuffer: function () {\n    var dpr = this.dpr;\n    this.domBack = createDom('back-' + this.id, this.painter, dpr);\n    this.ctxBack = this.domBack.getContext('2d');\n\n    if (dpr !== 1) {\n      this.ctxBack.scale(dpr, dpr);\n    }\n  },\n\n  /**\n   * @param  {number} width\n   * @param  {number} height\n   */\n  resize: function (width, height) {\n    var dpr = this.dpr;\n    var dom = this.dom;\n    var domStyle = dom.style;\n    var domBack = this.domBack;\n\n    if (domStyle) {\n      domStyle.width = width + 'px';\n      domStyle.height = height + 'px';\n    }\n\n    dom.width = width * dpr;\n    dom.height = height * dpr;\n\n    if (domBack) {\n      domBack.width = width * dpr;\n      domBack.height = height * dpr;\n\n      if (dpr !== 1) {\n        this.ctxBack.scale(dpr, dpr);\n      }\n    }\n  },\n\n  /**\n   * 清空该层画布\n   * @param {boolean} [clearAll]=false Clear all with out motion blur\n   * @param {Color} [clearColor]\n   */\n  clear: function (clearAll, clearColor) {\n    var dom = this.dom;\n    var ctx = this.ctx;\n    var width = dom.width;\n    var height = dom.height;\n    var clearColor = clearColor || this.clearColor;\n    var haveMotionBLur = this.motionBlur && !clearAll;\n    var lastFrameAlpha = this.lastFrameAlpha;\n    var dpr = this.dpr;\n\n    if (haveMotionBLur) {\n      if (!this.domBack) {\n        this.createBackBuffer();\n      }\n\n      this.ctxBack.globalCompositeOperation = 'copy';\n      this.ctxBack.drawImage(dom, 0, 0, width / dpr, height / dpr);\n    }\n\n    ctx.clearRect(0, 0, width, height);\n\n    if (clearColor && clearColor !== 'transparent') {\n      var clearColorGradientOrPattern; // Gradient\n\n      if (clearColor.colorStops) {\n        // Cache canvas gradient\n        clearColorGradientOrPattern = clearColor.__canvasGradient || Style.getGradient(ctx, clearColor, {\n          x: 0,\n          y: 0,\n          width: width,\n          height: height\n        });\n        clearColor.__canvasGradient = clearColorGradientOrPattern;\n      } // Pattern\n      else if (clearColor.image) {\n          clearColorGradientOrPattern = Pattern.prototype.getCanvasPattern.call(clearColor, ctx);\n        }\n\n      ctx.save();\n      ctx.fillStyle = clearColorGradientOrPattern || clearColor;\n      ctx.fillRect(0, 0, width, height);\n      ctx.restore();\n    }\n\n    if (haveMotionBLur) {\n      var domBack = this.domBack;\n      ctx.save();\n      ctx.globalAlpha = lastFrameAlpha;\n      ctx.drawImage(domBack, 0, 0, width, height);\n      ctx.restore();\n    }\n  }\n};\nvar _default = Layer;\nmodule.exports = _default;","var util = require(\"./core/util\");\n\nvar env = require(\"./core/env\");\n\nvar Group = require(\"./container/Group\");\n\nvar timsort = require(\"./core/timsort\");\n\n// Use timsort because in most case elements are partially sorted\n// https://jsfiddle.net/pissang/jr4x7mdm/8/\nfunction shapeCompareFunc(a, b) {\n  if (a.zlevel === b.zlevel) {\n    if (a.z === b.z) {\n      // if (a.z2 === b.z2) {\n      //     // FIXME Slow has renderidx compare\n      //     // http://stackoverflow.com/questions/20883421/sorting-in-javascript-should-every-compare-function-have-a-return-0-statement\n      //     // https://github.com/v8/v8/blob/47cce544a31ed5577ffe2963f67acb4144ee0232/src/js/array.js#L1012\n      //     return a.__renderidx - b.__renderidx;\n      // }\n      return a.z2 - b.z2;\n    }\n\n    return a.z - b.z;\n  }\n\n  return a.zlevel - b.zlevel;\n}\n/**\n * 内容仓库 (M)\n * @alias module:zrender/Storage\n * @constructor\n */\n\n\nvar Storage = function () {\n  // jshint ignore:line\n  this._roots = [];\n  this._displayList = [];\n  this._displayListLen = 0;\n};\n\nStorage.prototype = {\n  constructor: Storage,\n\n  /**\n   * @param  {Function} cb\n   *\n   */\n  traverse: function (cb, context) {\n    for (var i = 0; i < this._roots.length; i++) {\n      this._roots[i].traverse(cb, context);\n    }\n  },\n\n  /**\n   * 返回所有图形的绘制队列\n   * @param {boolean} [update=false] 是否在返回前更新该数组\n   * @param {boolean} [includeIgnore=false] 是否包含 ignore 的数组, 在 update 为 true 的时候有效\n   *\n   * 详见{@link module:zrender/graphic/Displayable.prototype.updateDisplayList}\n   * @return {Array.<module:zrender/graphic/Displayable>}\n   */\n  getDisplayList: function (update, includeIgnore) {\n    includeIgnore = includeIgnore || false;\n\n    if (update) {\n      this.updateDisplayList(includeIgnore);\n    }\n\n    return this._displayList;\n  },\n\n  /**\n   * 更新图形的绘制队列。\n   * 每次绘制前都会调用，该方法会先深度优先遍历整个树，更新所有Group和Shape的变换并且把所有可见的Shape保存到数组中，\n   * 最后根据绘制的优先级（zlevel > z > 插入顺序）排序得到绘制队列\n   * @param {boolean} [includeIgnore=false] 是否包含 ignore 的数组\n   */\n  updateDisplayList: function (includeIgnore) {\n    this._displayListLen = 0;\n    var roots = this._roots;\n    var displayList = this._displayList;\n\n    for (var i = 0, len = roots.length; i < len; i++) {\n      this._updateAndAddDisplayable(roots[i], null, includeIgnore);\n    }\n\n    displayList.length = this._displayListLen;\n    env.canvasSupported && timsort(displayList, shapeCompareFunc);\n  },\n  _updateAndAddDisplayable: function (el, clipPaths, includeIgnore) {\n    if (el.ignore && !includeIgnore) {\n      return;\n    }\n\n    el.beforeUpdate();\n\n    if (el.__dirty) {\n      el.update();\n    }\n\n    el.afterUpdate();\n    var userSetClipPath = el.clipPath;\n\n    if (userSetClipPath) {\n      // FIXME 效率影响\n      if (clipPaths) {\n        clipPaths = clipPaths.slice();\n      } else {\n        clipPaths = [];\n      }\n\n      var currentClipPath = userSetClipPath;\n      var parentClipPath = el; // Recursively add clip path\n\n      while (currentClipPath) {\n        // clipPath 的变换是基于使用这个 clipPath 的元素\n        currentClipPath.parent = parentClipPath;\n        currentClipPath.updateTransform();\n        clipPaths.push(currentClipPath);\n        parentClipPath = currentClipPath;\n        currentClipPath = currentClipPath.clipPath;\n      }\n    }\n\n    if (el.isGroup) {\n      var children = el._children;\n\n      for (var i = 0; i < children.length; i++) {\n        var child = children[i]; // Force to mark as dirty if group is dirty\n        // FIXME __dirtyPath ?\n\n        if (el.__dirty) {\n          child.__dirty = true;\n        }\n\n        this._updateAndAddDisplayable(child, clipPaths, includeIgnore);\n      } // Mark group clean here\n\n\n      el.__dirty = false;\n    } else {\n      el.__clipPaths = clipPaths;\n      this._displayList[this._displayListLen++] = el;\n    }\n  },\n\n  /**\n   * 添加图形(Shape)或者组(Group)到根节点\n   * @param {module:zrender/Element} el\n   */\n  addRoot: function (el) {\n    if (el.__storage === this) {\n      return;\n    }\n\n    if (el instanceof Group) {\n      el.addChildrenToStorage(this);\n    }\n\n    this.addToStorage(el);\n\n    this._roots.push(el);\n  },\n\n  /**\n   * 删除指定的图形(Shape)或者组(Group)\n   * @param {string|Array.<string>} [el] 如果为空清空整个Storage\n   */\n  delRoot: function (el) {\n    if (el == null) {\n      // 不指定el清空\n      for (var i = 0; i < this._roots.length; i++) {\n        var root = this._roots[i];\n\n        if (root instanceof Group) {\n          root.delChildrenFromStorage(this);\n        }\n      }\n\n      this._roots = [];\n      this._displayList = [];\n      this._displayListLen = 0;\n      return;\n    }\n\n    if (el instanceof Array) {\n      for (var i = 0, l = el.length; i < l; i++) {\n        this.delRoot(el[i]);\n      }\n\n      return;\n    }\n\n    var idx = util.indexOf(this._roots, el);\n\n    if (idx >= 0) {\n      this.delFromStorage(el);\n\n      this._roots.splice(idx, 1);\n\n      if (el instanceof Group) {\n        el.delChildrenFromStorage(this);\n      }\n    }\n  },\n  addToStorage: function (el) {\n    if (el) {\n      el.__storage = this;\n      el.dirty(false);\n    }\n\n    return this;\n  },\n  delFromStorage: function (el) {\n    if (el) {\n      el.__storage = null;\n    }\n\n    return this;\n  },\n\n  /**\n   * 清空并且释放Storage\n   */\n  dispose: function () {\n    this._renderList = this._roots = null;\n  },\n  displayableSortFunc: shapeCompareFunc\n};\nvar _default = Storage;\nmodule.exports = _default;","var _config = require(\"./config\");\n\nvar devicePixelRatio = _config.devicePixelRatio;\n\nvar util = require(\"./core/util\");\n\nvar logError = require(\"./core/log\");\n\nvar BoundingRect = require(\"./core/BoundingRect\");\n\nvar timsort = require(\"./core/timsort\");\n\nvar Layer = require(\"./Layer\");\n\nvar requestAnimationFrame = require(\"./animation/requestAnimationFrame\");\n\nvar Image = require(\"./graphic/Image\");\n\nvar env = require(\"./core/env\");\n\nvar HOVER_LAYER_ZLEVEL = 1e5;\nvar CANVAS_ZLEVEL = 314159;\nvar EL_AFTER_INCREMENTAL_INC = 0.01;\nvar INCREMENTAL_INC = 0.001;\n\nfunction parseInt10(val) {\n  return parseInt(val, 10);\n}\n\nfunction isLayerValid(layer) {\n  if (!layer) {\n    return false;\n  }\n\n  if (layer.__builtin__) {\n    return true;\n  }\n\n  if (typeof layer.resize !== 'function' || typeof layer.refresh !== 'function') {\n    return false;\n  }\n\n  return true;\n}\n\nvar tmpRect = new BoundingRect(0, 0, 0, 0);\nvar viewRect = new BoundingRect(0, 0, 0, 0);\n\nfunction isDisplayableCulled(el, width, height) {\n  tmpRect.copy(el.getBoundingRect());\n\n  if (el.transform) {\n    tmpRect.applyTransform(el.transform);\n  }\n\n  viewRect.width = width;\n  viewRect.height = height;\n  return !tmpRect.intersect(viewRect);\n}\n\nfunction isClipPathChanged(clipPaths, prevClipPaths) {\n  // displayable.__clipPaths can only be `null`/`undefined` or an non-empty array.\n  if (clipPaths === prevClipPaths) {\n    return false;\n  }\n\n  if (!clipPaths || !prevClipPaths || clipPaths.length !== prevClipPaths.length) {\n    return true;\n  }\n\n  for (var i = 0; i < clipPaths.length; i++) {\n    if (clipPaths[i] !== prevClipPaths[i]) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\nfunction doClip(clipPaths, ctx) {\n  for (var i = 0; i < clipPaths.length; i++) {\n    var clipPath = clipPaths[i];\n    clipPath.setTransform(ctx);\n    ctx.beginPath();\n    clipPath.buildPath(ctx, clipPath.shape);\n    ctx.clip(); // Transform back\n\n    clipPath.restoreTransform(ctx);\n  }\n}\n\nfunction createRoot(width, height) {\n  var domRoot = document.createElement('div'); // domRoot.onselectstart = returnFalse; // Avoid page selected\n\n  domRoot.style.cssText = ['position:relative', // IOS13 safari probably has a compositing bug (z order of the canvas and the consequent\n  // dom does not act as expected) when some of the parent dom has\n  // `-webkit-overflow-scrolling: touch;` and the webpage is longer than one screen and\n  // the canvas is not at the top part of the page.\n  // Check `https://bugs.webkit.org/show_bug.cgi?id=203681` for more details. We remove\n  // this `overflow:hidden` to avoid the bug.\n  // 'overflow:hidden',\n  'width:' + width + 'px', 'height:' + height + 'px', 'padding:0', 'margin:0', 'border-width:0'].join(';') + ';';\n  return domRoot;\n}\n/**\n * @alias module:zrender/Painter\n * @constructor\n * @param {HTMLElement} root 绘图容器\n * @param {module:zrender/Storage} storage\n * @param {Object} opts\n */\n\n\nvar Painter = function (root, storage, opts) {\n  this.type = 'canvas'; // In node environment using node-canvas\n\n  var singleCanvas = !root.nodeName // In node ?\n  || root.nodeName.toUpperCase() === 'CANVAS';\n  this._opts = opts = util.extend({}, opts || {});\n  /**\n   * @type {number}\n   */\n\n  this.dpr = opts.devicePixelRatio || devicePixelRatio;\n  /**\n   * @type {boolean}\n   * @private\n   */\n\n  this._singleCanvas = singleCanvas;\n  /**\n   * 绘图容器\n   * @type {HTMLElement}\n   */\n\n  this.root = root;\n  var rootStyle = root.style;\n\n  if (rootStyle) {\n    rootStyle['-webkit-tap-highlight-color'] = 'transparent';\n    rootStyle['-webkit-user-select'] = rootStyle['user-select'] = rootStyle['-webkit-touch-callout'] = 'none';\n    root.innerHTML = '';\n  }\n  /**\n   * @type {module:zrender/Storage}\n   */\n\n\n  this.storage = storage;\n  /**\n   * @type {Array.<number>}\n   * @private\n   */\n\n  var zlevelList = this._zlevelList = [];\n  /**\n   * @type {Object.<string, module:zrender/Layer>}\n   * @private\n   */\n\n  var layers = this._layers = {};\n  /**\n   * @type {Object.<string, Object>}\n   * @private\n   */\n\n  this._layerConfig = {};\n  /**\n   * zrender will do compositing when root is a canvas and have multiple zlevels.\n   */\n\n  this._needsManuallyCompositing = false;\n\n  if (!singleCanvas) {\n    this._width = this._getSize(0);\n    this._height = this._getSize(1);\n    var domRoot = this._domRoot = createRoot(this._width, this._height);\n    root.appendChild(domRoot);\n  } else {\n    var width = root.width;\n    var height = root.height;\n\n    if (opts.width != null) {\n      width = opts.width;\n    }\n\n    if (opts.height != null) {\n      height = opts.height;\n    }\n\n    this.dpr = opts.devicePixelRatio || 1; // Use canvas width and height directly\n\n    root.width = width * this.dpr;\n    root.height = height * this.dpr;\n    this._width = width;\n    this._height = height; // Create layer if only one given canvas\n    // Device can be specified to create a high dpi image.\n\n    var mainLayer = new Layer(root, this, this.dpr);\n    mainLayer.__builtin__ = true;\n    mainLayer.initContext(); // FIXME Use canvas width and height\n    // mainLayer.resize(width, height);\n\n    layers[CANVAS_ZLEVEL] = mainLayer;\n    mainLayer.zlevel = CANVAS_ZLEVEL; // Not use common zlevel.\n\n    zlevelList.push(CANVAS_ZLEVEL);\n    this._domRoot = root;\n  }\n  /**\n   * @type {module:zrender/Layer}\n   * @private\n   */\n\n\n  this._hoverlayer = null;\n  this._hoverElements = [];\n};\n\nPainter.prototype = {\n  constructor: Painter,\n  getType: function () {\n    return 'canvas';\n  },\n\n  /**\n   * If painter use a single canvas\n   * @return {boolean}\n   */\n  isSingleCanvas: function () {\n    return this._singleCanvas;\n  },\n\n  /**\n   * @return {HTMLDivElement}\n   */\n  getViewportRoot: function () {\n    return this._domRoot;\n  },\n  getViewportRootOffset: function () {\n    var viewportRoot = this.getViewportRoot();\n\n    if (viewportRoot) {\n      return {\n        offsetLeft: viewportRoot.offsetLeft || 0,\n        offsetTop: viewportRoot.offsetTop || 0\n      };\n    }\n  },\n\n  /**\n   * 刷新\n   * @param {boolean} [paintAll=false] 强制绘制所有displayable\n   */\n  refresh: function (paintAll) {\n    var list = this.storage.getDisplayList(true);\n    var zlevelList = this._zlevelList;\n    this._redrawId = Math.random();\n\n    this._paintList(list, paintAll, this._redrawId); // Paint custum layers\n\n\n    for (var i = 0; i < zlevelList.length; i++) {\n      var z = zlevelList[i];\n      var layer = this._layers[z];\n\n      if (!layer.__builtin__ && layer.refresh) {\n        var clearColor = i === 0 ? this._backgroundColor : null;\n        layer.refresh(clearColor);\n      }\n    }\n\n    this.refreshHover();\n    return this;\n  },\n  addHover: function (el, hoverStyle) {\n    if (el.__hoverMir) {\n      return;\n    }\n\n    var elMirror = new el.constructor({\n      style: el.style,\n      shape: el.shape,\n      z: el.z,\n      z2: el.z2,\n      silent: el.silent\n    });\n    elMirror.__from = el;\n    el.__hoverMir = elMirror;\n    hoverStyle && elMirror.setStyle(hoverStyle);\n\n    this._hoverElements.push(elMirror);\n\n    return elMirror;\n  },\n  removeHover: function (el) {\n    var elMirror = el.__hoverMir;\n    var hoverElements = this._hoverElements;\n    var idx = util.indexOf(hoverElements, elMirror);\n\n    if (idx >= 0) {\n      hoverElements.splice(idx, 1);\n    }\n\n    el.__hoverMir = null;\n  },\n  clearHover: function (el) {\n    var hoverElements = this._hoverElements;\n\n    for (var i = 0; i < hoverElements.length; i++) {\n      var from = hoverElements[i].__from;\n\n      if (from) {\n        from.__hoverMir = null;\n      }\n    }\n\n    hoverElements.length = 0;\n  },\n  refreshHover: function () {\n    var hoverElements = this._hoverElements;\n    var len = hoverElements.length;\n    var hoverLayer = this._hoverlayer;\n    hoverLayer && hoverLayer.clear();\n\n    if (!len) {\n      return;\n    }\n\n    timsort(hoverElements, this.storage.displayableSortFunc); // Use a extream large zlevel\n    // FIXME?\n\n    if (!hoverLayer) {\n      hoverLayer = this._hoverlayer = this.getLayer(HOVER_LAYER_ZLEVEL);\n    }\n\n    var scope = {};\n    hoverLayer.ctx.save();\n\n    for (var i = 0; i < len;) {\n      var el = hoverElements[i];\n      var originalEl = el.__from; // Original el is removed\n      // PENDING\n\n      if (!(originalEl && originalEl.__zr)) {\n        hoverElements.splice(i, 1);\n        originalEl.__hoverMir = null;\n        len--;\n        continue;\n      }\n\n      i++; // Use transform\n      // FIXME style and shape ?\n\n      if (!originalEl.invisible) {\n        el.transform = originalEl.transform;\n        el.invTransform = originalEl.invTransform;\n        el.__clipPaths = originalEl.__clipPaths; // el.\n\n        this._doPaintEl(el, hoverLayer, true, scope);\n      }\n    }\n\n    hoverLayer.ctx.restore();\n  },\n  getHoverLayer: function () {\n    return this.getLayer(HOVER_LAYER_ZLEVEL);\n  },\n  _paintList: function (list, paintAll, redrawId) {\n    if (this._redrawId !== redrawId) {\n      return;\n    }\n\n    paintAll = paintAll || false;\n\n    this._updateLayerStatus(list);\n\n    var finished = this._doPaintList(list, paintAll);\n\n    if (this._needsManuallyCompositing) {\n      this._compositeManually();\n    }\n\n    if (!finished) {\n      var self = this;\n      requestAnimationFrame(function () {\n        self._paintList(list, paintAll, redrawId);\n      });\n    }\n  },\n  _compositeManually: function () {\n    var ctx = this.getLayer(CANVAS_ZLEVEL).ctx;\n    var width = this._domRoot.width;\n    var height = this._domRoot.height;\n    ctx.clearRect(0, 0, width, height); // PENDING, If only builtin layer?\n\n    this.eachBuiltinLayer(function (layer) {\n      if (layer.virtual) {\n        ctx.drawImage(layer.dom, 0, 0, width, height);\n      }\n    });\n  },\n  _doPaintList: function (list, paintAll) {\n    var layerList = [];\n\n    for (var zi = 0; zi < this._zlevelList.length; zi++) {\n      var zlevel = this._zlevelList[zi];\n      var layer = this._layers[zlevel];\n\n      if (layer.__builtin__ && layer !== this._hoverlayer && (layer.__dirty || paintAll)) {\n        layerList.push(layer);\n      }\n    }\n\n    var finished = true;\n\n    for (var k = 0; k < layerList.length; k++) {\n      var layer = layerList[k];\n      var ctx = layer.ctx;\n      var scope = {};\n      ctx.save();\n      var start = paintAll ? layer.__startIndex : layer.__drawIndex;\n      var useTimer = !paintAll && layer.incremental && Date.now;\n      var startTime = useTimer && Date.now();\n      var clearColor = layer.zlevel === this._zlevelList[0] ? this._backgroundColor : null; // All elements in this layer are cleared.\n\n      if (layer.__startIndex === layer.__endIndex) {\n        layer.clear(false, clearColor);\n      } else if (start === layer.__startIndex) {\n        var firstEl = list[start];\n\n        if (!firstEl.incremental || !firstEl.notClear || paintAll) {\n          layer.clear(false, clearColor);\n        }\n      }\n\n      if (start === -1) {\n        console.error('For some unknown reason. drawIndex is -1');\n        start = layer.__startIndex;\n      }\n\n      for (var i = start; i < layer.__endIndex; i++) {\n        var el = list[i];\n\n        this._doPaintEl(el, layer, paintAll, scope);\n\n        el.__dirty = el.__dirtyText = false;\n\n        if (useTimer) {\n          // Date.now can be executed in 13,025,305 ops/second.\n          var dTime = Date.now() - startTime; // Give 15 millisecond to draw.\n          // The rest elements will be drawn in the next frame.\n\n          if (dTime > 15) {\n            break;\n          }\n        }\n      }\n\n      layer.__drawIndex = i;\n\n      if (layer.__drawIndex < layer.__endIndex) {\n        finished = false;\n      }\n\n      if (scope.prevElClipPaths) {\n        // Needs restore the state. If last drawn element is in the clipping area.\n        ctx.restore();\n      }\n\n      ctx.restore();\n    }\n\n    if (env.wxa) {\n      // Flush for weixin application\n      util.each(this._layers, function (layer) {\n        if (layer && layer.ctx && layer.ctx.draw) {\n          layer.ctx.draw();\n        }\n      });\n    }\n\n    return finished;\n  },\n  _doPaintEl: function (el, currentLayer, forcePaint, scope) {\n    var ctx = currentLayer.ctx;\n    var m = el.transform;\n\n    if ((currentLayer.__dirty || forcePaint) && // Ignore invisible element\n    !el.invisible // Ignore transparent element\n    && el.style.opacity !== 0 // Ignore scale 0 element, in some environment like node-canvas\n    // Draw a scale 0 element can cause all following draw wrong\n    // And setTransform with scale 0 will cause set back transform failed.\n    && !(m && !m[0] && !m[3]) // Ignore culled element\n    && !(el.culling && isDisplayableCulled(el, this._width, this._height))) {\n      var clipPaths = el.__clipPaths;\n      var prevElClipPaths = scope.prevElClipPaths; // Optimize when clipping on group with several elements\n\n      if (!prevElClipPaths || isClipPathChanged(clipPaths, prevElClipPaths)) {\n        // If has previous clipping state, restore from it\n        if (prevElClipPaths) {\n          ctx.restore();\n          scope.prevElClipPaths = null; // Reset prevEl since context has been restored\n\n          scope.prevEl = null;\n        } // New clipping state\n\n\n        if (clipPaths) {\n          ctx.save();\n          doClip(clipPaths, ctx);\n          scope.prevElClipPaths = clipPaths;\n        }\n      }\n\n      el.beforeBrush && el.beforeBrush(ctx);\n      el.brush(ctx, scope.prevEl || null);\n      scope.prevEl = el;\n      el.afterBrush && el.afterBrush(ctx);\n    }\n  },\n\n  /**\n   * 获取 zlevel 所在层，如果不存在则会创建一个新的层\n   * @param {number} zlevel\n   * @param {boolean} virtual Virtual layer will not be inserted into dom.\n   * @return {module:zrender/Layer}\n   */\n  getLayer: function (zlevel, virtual) {\n    if (this._singleCanvas && !this._needsManuallyCompositing) {\n      zlevel = CANVAS_ZLEVEL;\n    }\n\n    var layer = this._layers[zlevel];\n\n    if (!layer) {\n      // Create a new layer\n      layer = new Layer('zr_' + zlevel, this, this.dpr);\n      layer.zlevel = zlevel;\n      layer.__builtin__ = true;\n\n      if (this._layerConfig[zlevel]) {\n        util.merge(layer, this._layerConfig[zlevel], true);\n      } // TODO Remove EL_AFTER_INCREMENTAL_INC magic number\n      else if (this._layerConfig[zlevel - EL_AFTER_INCREMENTAL_INC]) {\n          util.merge(layer, this._layerConfig[zlevel - EL_AFTER_INCREMENTAL_INC], true);\n        }\n\n      if (virtual) {\n        layer.virtual = virtual;\n      }\n\n      this.insertLayer(zlevel, layer); // Context is created after dom inserted to document\n      // Or excanvas will get 0px clientWidth and clientHeight\n\n      layer.initContext();\n    }\n\n    return layer;\n  },\n  insertLayer: function (zlevel, layer) {\n    var layersMap = this._layers;\n    var zlevelList = this._zlevelList;\n    var len = zlevelList.length;\n    var prevLayer = null;\n    var i = -1;\n    var domRoot = this._domRoot;\n\n    if (layersMap[zlevel]) {\n      logError('ZLevel ' + zlevel + ' has been used already');\n      return;\n    } // Check if is a valid layer\n\n\n    if (!isLayerValid(layer)) {\n      logError('Layer of zlevel ' + zlevel + ' is not valid');\n      return;\n    }\n\n    if (len > 0 && zlevel > zlevelList[0]) {\n      for (i = 0; i < len - 1; i++) {\n        if (zlevelList[i] < zlevel && zlevelList[i + 1] > zlevel) {\n          break;\n        }\n      }\n\n      prevLayer = layersMap[zlevelList[i]];\n    }\n\n    zlevelList.splice(i + 1, 0, zlevel);\n    layersMap[zlevel] = layer; // Vitual layer will not directly show on the screen.\n    // (It can be a WebGL layer and assigned to a ZImage element)\n    // But it still under management of zrender.\n\n    if (!layer.virtual) {\n      if (prevLayer) {\n        var prevDom = prevLayer.dom;\n\n        if (prevDom.nextSibling) {\n          domRoot.insertBefore(layer.dom, prevDom.nextSibling);\n        } else {\n          domRoot.appendChild(layer.dom);\n        }\n      } else {\n        if (domRoot.firstChild) {\n          domRoot.insertBefore(layer.dom, domRoot.firstChild);\n        } else {\n          domRoot.appendChild(layer.dom);\n        }\n      }\n    }\n  },\n  // Iterate each layer\n  eachLayer: function (cb, context) {\n    var zlevelList = this._zlevelList;\n    var z;\n    var i;\n\n    for (i = 0; i < zlevelList.length; i++) {\n      z = zlevelList[i];\n      cb.call(context, this._layers[z], z);\n    }\n  },\n  // Iterate each buildin layer\n  eachBuiltinLayer: function (cb, context) {\n    var zlevelList = this._zlevelList;\n    var layer;\n    var z;\n    var i;\n\n    for (i = 0; i < zlevelList.length; i++) {\n      z = zlevelList[i];\n      layer = this._layers[z];\n\n      if (layer.__builtin__) {\n        cb.call(context, layer, z);\n      }\n    }\n  },\n  // Iterate each other layer except buildin layer\n  eachOtherLayer: function (cb, context) {\n    var zlevelList = this._zlevelList;\n    var layer;\n    var z;\n    var i;\n\n    for (i = 0; i < zlevelList.length; i++) {\n      z = zlevelList[i];\n      layer = this._layers[z];\n\n      if (!layer.__builtin__) {\n        cb.call(context, layer, z);\n      }\n    }\n  },\n\n  /**\n   * 获取所有已创建的层\n   * @param {Array.<module:zrender/Layer>} [prevLayer]\n   */\n  getLayers: function () {\n    return this._layers;\n  },\n  _updateLayerStatus: function (list) {\n    this.eachBuiltinLayer(function (layer, z) {\n      layer.__dirty = layer.__used = false;\n    });\n\n    function updatePrevLayer(idx) {\n      if (prevLayer) {\n        if (prevLayer.__endIndex !== idx) {\n          prevLayer.__dirty = true;\n        }\n\n        prevLayer.__endIndex = idx;\n      }\n    }\n\n    if (this._singleCanvas) {\n      for (var i = 1; i < list.length; i++) {\n        var el = list[i];\n\n        if (el.zlevel !== list[i - 1].zlevel || el.incremental) {\n          this._needsManuallyCompositing = true;\n          break;\n        }\n      }\n    }\n\n    var prevLayer = null;\n    var incrementalLayerCount = 0;\n    var prevZlevel;\n\n    for (var i = 0; i < list.length; i++) {\n      var el = list[i];\n      var zlevel = el.zlevel;\n      var layer;\n\n      if (prevZlevel !== zlevel) {\n        prevZlevel = zlevel;\n        incrementalLayerCount = 0;\n      } // TODO Not use magic number on zlevel.\n      // Each layer with increment element can be separated to 3 layers.\n      //          (Other Element drawn after incremental element)\n      // -----------------zlevel + EL_AFTER_INCREMENTAL_INC--------------------\n      //                      (Incremental element)\n      // ----------------------zlevel + INCREMENTAL_INC------------------------\n      //              (Element drawn before incremental element)\n      // --------------------------------zlevel--------------------------------\n\n\n      if (el.incremental) {\n        layer = this.getLayer(zlevel + INCREMENTAL_INC, this._needsManuallyCompositing);\n        layer.incremental = true;\n        incrementalLayerCount = 1;\n      } else {\n        layer = this.getLayer(zlevel + (incrementalLayerCount > 0 ? EL_AFTER_INCREMENTAL_INC : 0), this._needsManuallyCompositing);\n      }\n\n      if (!layer.__builtin__) {\n        logError('ZLevel ' + zlevel + ' has been used by unkown layer ' + layer.id);\n      }\n\n      if (layer !== prevLayer) {\n        layer.__used = true;\n\n        if (layer.__startIndex !== i) {\n          layer.__dirty = true;\n        }\n\n        layer.__startIndex = i;\n\n        if (!layer.incremental) {\n          layer.__drawIndex = i;\n        } else {\n          // Mark layer draw index needs to update.\n          layer.__drawIndex = -1;\n        }\n\n        updatePrevLayer(i);\n        prevLayer = layer;\n      }\n\n      if (el.__dirty) {\n        layer.__dirty = true;\n\n        if (layer.incremental && layer.__drawIndex < 0) {\n          // Start draw from the first dirty element.\n          layer.__drawIndex = i;\n        }\n      }\n    }\n\n    updatePrevLayer(i);\n    this.eachBuiltinLayer(function (layer, z) {\n      // Used in last frame but not in this frame. Needs clear\n      if (!layer.__used && layer.getElementCount() > 0) {\n        layer.__dirty = true;\n        layer.__startIndex = layer.__endIndex = layer.__drawIndex = 0;\n      } // For incremental layer. In case start index changed and no elements are dirty.\n\n\n      if (layer.__dirty && layer.__drawIndex < 0) {\n        layer.__drawIndex = layer.__startIndex;\n      }\n    });\n  },\n\n  /**\n   * 清除hover层外所有内容\n   */\n  clear: function () {\n    this.eachBuiltinLayer(this._clearLayer);\n    return this;\n  },\n  _clearLayer: function (layer) {\n    layer.clear();\n  },\n  setBackgroundColor: function (backgroundColor) {\n    this._backgroundColor = backgroundColor;\n  },\n\n  /**\n   * 修改指定zlevel的绘制参数\n   *\n   * @param {string} zlevel\n   * @param {Object} config 配置对象\n   * @param {string} [config.clearColor=0] 每次清空画布的颜色\n   * @param {string} [config.motionBlur=false] 是否开启动态模糊\n   * @param {number} [config.lastFrameAlpha=0.7]\n   *                 在开启动态模糊的时候使用，与上一帧混合的alpha值，值越大尾迹越明显\n   */\n  configLayer: function (zlevel, config) {\n    if (config) {\n      var layerConfig = this._layerConfig;\n\n      if (!layerConfig[zlevel]) {\n        layerConfig[zlevel] = config;\n      } else {\n        util.merge(layerConfig[zlevel], config, true);\n      }\n\n      for (var i = 0; i < this._zlevelList.length; i++) {\n        var _zlevel = this._zlevelList[i]; // TODO Remove EL_AFTER_INCREMENTAL_INC magic number\n\n        if (_zlevel === zlevel || _zlevel === zlevel + EL_AFTER_INCREMENTAL_INC) {\n          var layer = this._layers[_zlevel];\n          util.merge(layer, layerConfig[zlevel], true);\n        }\n      }\n    }\n  },\n\n  /**\n   * 删除指定层\n   * @param {number} zlevel 层所在的zlevel\n   */\n  delLayer: function (zlevel) {\n    var layers = this._layers;\n    var zlevelList = this._zlevelList;\n    var layer = layers[zlevel];\n\n    if (!layer) {\n      return;\n    }\n\n    layer.dom.parentNode.removeChild(layer.dom);\n    delete layers[zlevel];\n    zlevelList.splice(util.indexOf(zlevelList, zlevel), 1);\n  },\n\n  /**\n   * 区域大小变化后重绘\n   */\n  resize: function (width, height) {\n    if (!this._domRoot.style) {\n      // Maybe in node or worker\n      if (width == null || height == null) {\n        return;\n      }\n\n      this._width = width;\n      this._height = height;\n      this.getLayer(CANVAS_ZLEVEL).resize(width, height);\n    } else {\n      var domRoot = this._domRoot; // FIXME Why ?\n\n      domRoot.style.display = 'none'; // Save input w/h\n\n      var opts = this._opts;\n      width != null && (opts.width = width);\n      height != null && (opts.height = height);\n      width = this._getSize(0);\n      height = this._getSize(1);\n      domRoot.style.display = ''; // 优化没有实际改变的resize\n\n      if (this._width !== width || height !== this._height) {\n        domRoot.style.width = width + 'px';\n        domRoot.style.height = height + 'px';\n\n        for (var id in this._layers) {\n          if (this._layers.hasOwnProperty(id)) {\n            this._layers[id].resize(width, height);\n          }\n        }\n\n        util.each(this._progressiveLayers, function (layer) {\n          layer.resize(width, height);\n        });\n        this.refresh(true);\n      }\n\n      this._width = width;\n      this._height = height;\n    }\n\n    return this;\n  },\n\n  /**\n   * 清除单独的一个层\n   * @param {number} zlevel\n   */\n  clearLayer: function (zlevel) {\n    var layer = this._layers[zlevel];\n\n    if (layer) {\n      layer.clear();\n    }\n  },\n\n  /**\n   * 释放\n   */\n  dispose: function () {\n    this.root.innerHTML = '';\n    this.root = this.storage = this._domRoot = this._layers = null;\n  },\n\n  /**\n   * Get canvas which has all thing rendered\n   * @param {Object} opts\n   * @param {string} [opts.backgroundColor]\n   * @param {number} [opts.pixelRatio]\n   */\n  getRenderedCanvas: function (opts) {\n    opts = opts || {};\n\n    if (this._singleCanvas && !this._compositeManually) {\n      return this._layers[CANVAS_ZLEVEL].dom;\n    }\n\n    var imageLayer = new Layer('image', this, opts.pixelRatio || this.dpr);\n    imageLayer.initContext();\n    imageLayer.clear(false, opts.backgroundColor || this._backgroundColor);\n\n    if (opts.pixelRatio <= this.dpr) {\n      this.refresh();\n      var width = imageLayer.dom.width;\n      var height = imageLayer.dom.height;\n      var ctx = imageLayer.ctx;\n      this.eachLayer(function (layer) {\n        if (layer.__builtin__) {\n          ctx.drawImage(layer.dom, 0, 0, width, height);\n        } else if (layer.renderToCanvas) {\n          imageLayer.ctx.save();\n          layer.renderToCanvas(imageLayer.ctx);\n          imageLayer.ctx.restore();\n        }\n      });\n    } else {\n      // PENDING, echarts-gl and incremental rendering.\n      var scope = {};\n      var displayList = this.storage.getDisplayList(true);\n\n      for (var i = 0; i < displayList.length; i++) {\n        var el = displayList[i];\n\n        this._doPaintEl(el, imageLayer, true, scope);\n      }\n    }\n\n    return imageLayer.dom;\n  },\n\n  /**\n   * 获取绘图区域宽度\n   */\n  getWidth: function () {\n    return this._width;\n  },\n\n  /**\n   * 获取绘图区域高度\n   */\n  getHeight: function () {\n    return this._height;\n  },\n  _getSize: function (whIdx) {\n    var opts = this._opts;\n    var wh = ['width', 'height'][whIdx];\n    var cwh = ['clientWidth', 'clientHeight'][whIdx];\n    var plt = ['paddingLeft', 'paddingTop'][whIdx];\n    var prb = ['paddingRight', 'paddingBottom'][whIdx];\n\n    if (opts[wh] != null && opts[wh] !== 'auto') {\n      return parseFloat(opts[wh]);\n    }\n\n    var root = this.root; // IE8 does not support getComputedStyle, but it use VML.\n\n    var stl = document.defaultView.getComputedStyle(root);\n    return (root[cwh] || parseInt10(stl[wh]) || parseInt10(root.style[wh])) - (parseInt10(stl[plt]) || 0) - (parseInt10(stl[prb]) || 0) | 0;\n  },\n  pathToImage: function (path, dpr) {\n    dpr = dpr || this.dpr;\n    var canvas = document.createElement('canvas');\n    var ctx = canvas.getContext('2d');\n    var rect = path.getBoundingRect();\n    var style = path.style;\n    var shadowBlurSize = style.shadowBlur * dpr;\n    var shadowOffsetX = style.shadowOffsetX * dpr;\n    var shadowOffsetY = style.shadowOffsetY * dpr;\n    var lineWidth = style.hasStroke() ? style.lineWidth : 0;\n    var leftMargin = Math.max(lineWidth / 2, -shadowOffsetX + shadowBlurSize);\n    var rightMargin = Math.max(lineWidth / 2, shadowOffsetX + shadowBlurSize);\n    var topMargin = Math.max(lineWidth / 2, -shadowOffsetY + shadowBlurSize);\n    var bottomMargin = Math.max(lineWidth / 2, shadowOffsetY + shadowBlurSize);\n    var width = rect.width + leftMargin + rightMargin;\n    var height = rect.height + topMargin + bottomMargin;\n    canvas.width = width * dpr;\n    canvas.height = height * dpr;\n    ctx.scale(dpr, dpr);\n    ctx.clearRect(0, 0, width, height);\n    ctx.dpr = dpr;\n    var pathTransform = {\n      position: path.position,\n      rotation: path.rotation,\n      scale: path.scale\n    };\n    path.position = [leftMargin - rect.x, topMargin - rect.y];\n    path.rotation = 0;\n    path.scale = [1, 1];\n    path.updateTransform();\n\n    if (path) {\n      path.brush(ctx);\n    }\n\n    var ImageShape = Image;\n    var imgShape = new ImageShape({\n      style: {\n        x: 0,\n        y: 0,\n        image: canvas\n      }\n    });\n\n    if (pathTransform.position != null) {\n      imgShape.position = path.position = pathTransform.position;\n    }\n\n    if (pathTransform.rotation != null) {\n      imgShape.rotation = path.rotation = pathTransform.rotation;\n    }\n\n    if (pathTransform.scale != null) {\n      imgShape.scale = path.scale = pathTransform.scale;\n    }\n\n    return imgShape;\n  }\n};\nvar _default = Painter;\nmodule.exports = _default;"],"sourceRoot":""}