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78 lines
2.6 KiB
78 lines
2.6 KiB
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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var zrUtil = require("zrender/lib/core/util"); |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, |
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* software distributed under the License is distributed on an |
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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* KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations |
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* under the License. |
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*/ |
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function dataToCoordSize(dataSize, dataItem) { |
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dataItem = dataItem || [0, 0]; |
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return zrUtil.map([0, 1], function (dimIdx) { |
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var val = dataItem[dimIdx]; |
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var halfSize = dataSize[dimIdx] / 2; |
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var p1 = []; |
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var p2 = []; |
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p1[dimIdx] = val - halfSize; |
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p2[dimIdx] = val + halfSize; |
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p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx]; |
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return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]); |
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}, this); |
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} |
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function _default(coordSys) { |
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var rect = coordSys.getBoundingRect(); |
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return { |
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coordSys: { |
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type: 'geo', |
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x: rect.x, |
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y: rect.y, |
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width: rect.width, |
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height: rect.height, |
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zoom: coordSys.getZoom() |
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}, |
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api: { |
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coord: function (data) { |
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// do not provide "out" and noRoam param, |
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// Compatible with this usage: |
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// echarts.util.map(item.points, api.coord) |
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return coordSys.dataToPoint(data); |
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}, |
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size: zrUtil.bind(dataToCoordSize, coordSys) |
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} |
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}; |
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} |
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module.exports = _default; |