aaac7fed
 liuqimichale
add
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var _util = require("zrender/lib/core/util");
var each = _util.each;
var parseGeoJson = require("./parseGeoJson");
var _model = require("../../util/model");
var makeInner = _model.makeInner;
var fixNanhai = require("./fix/nanhai");
var fixTextCoord = require("./fix/textCoord");
var fixGeoCoord = require("./fix/geoCoord");
var fixDiaoyuIsland = require("./fix/diaoyuIsland");
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
// Built-in GEO fixer.
var inner = makeInner();
var _default = {
/**
* @param {string} mapName
* @param {Object} mapRecord {specialAreas, geoJSON}
* @return {Object} {regions, boundingRect}
*/
load: function (mapName, mapRecord) {
var parsed = inner(mapRecord).parsed;
if (parsed) {
return parsed;
}
var specialAreas = mapRecord.specialAreas || {};
var geoJSON = mapRecord.geoJSON;
var regions; // https://jsperf.com/try-catch-performance-overhead
try {
regions = geoJSON ? parseGeoJson(geoJSON) : [];
} catch (e) {
throw new Error('Invalid geoJson format\n' + e.message);
}
each(regions, function (region) {
var regionName = region.name;
fixTextCoord(mapName, region);
fixGeoCoord(mapName, region);
fixDiaoyuIsland(mapName, region); // Some area like Alaska in USA map needs to be tansformed
// to look better
var specialArea = specialAreas[regionName];
if (specialArea) {
region.transformTo(specialArea.left, specialArea.top, specialArea.width, specialArea.height);
}
});
fixNanhai(mapName, regions);
return inner(mapRecord).parsed = {
regions: regions,
boundingRect: getBoundingRect(regions)
};
}
};
function getBoundingRect(regions) {
var rect;
for (var i = 0; i < regions.length; i++) {
var regionRect = regions[i].getBoundingRect();
rect = rect || regionRect.clone();
rect.union(regionRect);
}
return rect;
}
module.exports = _default;
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