78 lines
2.6 KiB
JavaScript
78 lines
2.6 KiB
JavaScript
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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;
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