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{"version":3,"file":"bmap.js","sources":["../../extension-src/bmap/BMapCoordSys.js","../../extension-src/bmap/BMapModel.js","../../extension-src/bmap/BMapView.js","../../extension-src/bmap/bmap.js"],"sourcesContent":["/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global BMap */\n\nimport {\n util as zrUtil,\n graphic,\n matrix\n} from 'echarts';\n\nfunction BMapCoordSys(bmap, api) {\n this._bmap = bmap;\n this.dimensions = ['lng', 'lat'];\n this._mapOffset = [0, 0];\n\n this._api = api;\n\n this._projection = new BMap.MercatorProjection();\n}\n\nBMapCoordSys.prototype.dimensions = ['lng', 'lat'];\n\nBMapCoordSys.prototype.setZoom = function (zoom) {\n this._zoom = zoom;\n};\n\nBMapCoordSys.prototype.setCenter = function (center) {\n this._center = this._projection.lngLatToPoint(new BMap.Point(center[0], center[1]));\n};\n\nBMapCoordSys.prototype.setMapOffset = function (mapOffset) {\n this._mapOffset = mapOffset;\n};\n\nBMapCoordSys.prototype.getBMap = function () {\n return this._bmap;\n};\n\nBMapCoordSys.prototype.dataToPoint = function (data) {\n var point = new BMap.Point(data[0], data[1]);\n // TODO mercator projection is toooooooo slow\n // var mercatorPoint = this._projection.lngLatToPoint(point);\n\n // var width = this._api.getZr().getWidth();\n // var height = this._api.getZr().getHeight();\n // var divider = Math.pow(2, 18 - 10);\n // return [\n // Math.round((mercatorPoint.x - this._center.x) / divider + width / 2),\n // Math.round((this._center.y - mercatorPoint.y) / divider + height / 2)\n // ];\n var px = this._bmap.pointToOverlayPixel(point);\n var mapOffset = this._mapOffset;\n return [px.x - mapOffset[0], px.y - mapOffset[1]];\n};\n\nBMapCoordSys.prototype.pointToData = function (pt) {\n var mapOffset = this._mapOffset;\n var pt = this._bmap.overlayPixelToPoint({\n x: pt[0] + mapOffset[0],\n y: pt[1] + mapOffset[1]\n });\n return [pt.lng, pt.lat];\n};\n\nBMapCoordSys.prototype.getViewRect = function () {\n var api = this._api;\n return new graphic.BoundingRect(0, 0, api.getWidth(), api.getHeight());\n};\n\nBMapCoordSys.prototype.getRoamTransform = function () {\n return matrix.create();\n};\n\nBMapCoordSys.prototype.prepareCustoms = function (data) {\n var rect = this.getViewRect();\n return {\n coordSys: {\n // The name exposed to user is always 'cartesian2d' but not 'grid'.\n type: 'bmap',\n x: rect.x,\n y: rect.y,\n width: rect.width,\n height: rect.height\n },\n api: {\n coord: zrUtil.bind(this.dataToPoint, this),\n size: zrUtil.bind(dataToCoordSize, this)\n }\n };\n};\n\nfunction dataToCoordSize(dataSize, dataItem) {\n dataItem = dataItem || [0, 0];\n return zrUtil.map([0, 1], function (dimIdx) {\n var val = dataItem[dimIdx];\n var halfSize = dataSize[dimIdx] / 2;\n var p1 = [];\n var p2 = [];\n p1[dimIdx] = val - halfSize;\n p2[dimIdx] = val + halfSize;\n p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx];\n return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]);\n }, this);\n}\n\nvar Overlay;\n\n// For deciding
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