1 line
34 KiB
JSON
1 line
34 KiB
JSON
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{"ast":null,"code":"import \"core-js/modules/es.array.splice.js\";\nimport \"core-js/modules/es.array.slice.js\";\nimport { __extends } from \"tslib\";\nimport * as util from '../core/util.js';\nimport { devicePixelRatio } from '../config.js';\nimport Eventful from '../core/Eventful.js';\nimport { getCanvasGradient } from './helper.js';\nimport { createCanvasPattern } from './graphic.js';\nimport BoundingRect from '../core/BoundingRect.js';\nimport { REDRAW_BIT } from '../graphic/constants.js';\nimport { platformApi } from '../core/platform.js';\n\nfunction createDom(id, painter, dpr) {\n var newDom = platformApi.createCanvas();\n var width = painter.getWidth();\n var height = painter.getHeight();\n var newDomStyle = newDom.style;\n\n if (newDomStyle) {\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;\n\nvar Layer = function (_super) {\n __extends(Layer, _super);\n\n function Layer(id, painter, dpr) {\n var _this = _super.call(this) || this;\n\n _this.motionBlur = false;\n _this.lastFrameAlpha = 0.7;\n _this.dpr = 1;\n _this.virtual = false;\n _this.config = {};\n _this.incremental = false;\n _this.zlevel = 0;\n _this.maxRepaintRectCount = 5;\n _this.__dirty = true;\n _this.__firstTimePaint = true;\n _this.__used = false;\n _this.__drawIndex = 0;\n _this.__startIndex = 0;\n _this.__endIndex = 0;\n _this.__prevStartIndex = null;\n _this.__prevEndIndex = null;\n var dom;\n dpr = dpr || devicePixelRatio;\n\n if (typeof id === 'string') {\n dom = createDom(id, painter, dpr);\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 util.disableUserSelect(dom);\n\n dom.onselectstart = function () {\n return false;\n };\n\n domStyle.padding = '0';\n domStyle.margin = '0';\n domStyle.borderWidth = '0';\n }\n\n _this.painter = painter;\n _this.dpr = dpr;\n return _this;\n }\n\n Layer.prototype.getElementCount = function () {\n return this.__endIndex - this.__startIndex;\n };\n\n Layer.prototype.afterBrush = function () {\n this.__prevStartIndex = this.__startIndex;\n this.__prevEndIndex = this.__endIndex;\n };\n\n Layer.prototype.initContext = function () {\n this.ctx = this.dom.getContext('2d');\n this.ctx.dpr = this.dpr;\n };\n\n Layer.prototype.setUnpainted = function () {\n this.__firstTimePaint = true;\n };\n\n Layer.prototype.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 Layer.prototype.createRepaintRects = function (displayList, prevList, viewWidth, viewHeight) {\n if (this.__firstTimePaint) {\n this.__firstTimePaint = false;\n return null;\n }\n\n var mergedRepaintRects = [];\n var maxRepaintRectCount = this.maxRepaintRectCount;\n var full = false;\n var pendingRect = new BoundingRect(0, 0, 0, 0);\n\n function addRectToMergePool(rect) {\n if (!rect.isFinite() || rect.isZero()) {\n return;\n }\n\n if (mergedRepaintRects.length === 0) {\n var boundingRect = new BoundingRect(0, 0, 0, 0);\n boundingRect.copy(rect);\n mergedRepaintRects.push(boundingRect);\n } else {\n var isMerged = false;\n var minDeltaArea = Infinity;\n var bestRectToMergeIdx = 0;\n\n for (var i = 0; i < mergedRepaintRects.length; ++i) {\n var mergedRect = mergedRepaintRects[i];\n\n if (mergedRect.intersect(rect)) {\n var pendingRect_1 = new BoundingRect(0, 0, 0, 0);\n
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