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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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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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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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import { __extends } from "tslib";
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import BoundingRect from 'zrender/lib/core/BoundingRect.js';
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import * as vec2 from 'zrender/lib/core/vector.js';
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import * as polygonContain from 'zrender/lib/contain/polygon.js';
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import * as matrix from 'zrender/lib/core/matrix.js';
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import { each } from 'zrender/lib/core/util.js';
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var TMP_TRANSFORM = [];
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function transformPoints(points, transform) {
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for (var p = 0; p < points.length; p++) {
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vec2.applyTransform(points[p], points[p], transform);
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}
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}
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function updateBBoxFromPoints(points, min, max, projection) {
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for (var i = 0; i < points.length; i++) {
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var p = points[i];
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if (projection) {
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// projection may return null point.
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p = projection.project(p);
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}
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if (p && isFinite(p[0]) && isFinite(p[1])) {
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vec2.min(min, min, p);
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vec2.max(max, max, p);
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}
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}
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}
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function centroid(points) {
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var signedArea = 0;
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var cx = 0;
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var cy = 0;
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var len = points.length;
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var x0 = points[len - 1][0];
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var y0 = points[len - 1][1]; // Polygon should been closed.
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for (var i = 0; i < len; i++) {
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var x1 = points[i][0];
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var y1 = points[i][1];
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var a = x0 * y1 - x1 * y0;
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signedArea += a;
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cx += (x0 + x1) * a;
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cy += (y0 + y1) * a;
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x0 = x1;
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y0 = y1;
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}
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return signedArea ? [cx / signedArea / 3, cy / signedArea / 3, signedArea] : [points[0][0] || 0, points[0][1] || 0];
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}
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var Region =
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/** @class */
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function () {
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function Region(name) {
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this.name = name;
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}
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Region.prototype.setCenter = function (center) {
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this._center = center;
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};
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/**
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* Get center point in data unit. That is,
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* for GeoJSONRegion, the unit is lat/lng,
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* for GeoSVGRegion, the unit is SVG local coord.
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*/
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Region.prototype.getCenter = function () {
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var center = this._center;
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if (!center) {
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// In most cases there are no need to calculate this center.
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// So calculate only when called.
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center = this._center = this.calcCenter();
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}
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return center;
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};
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return Region;
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}();
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export { Region };
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var GeoJSONPolygonGeometry =
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/** @class */
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function () {
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function GeoJSONPolygonGeometry(exterior, interiors) {
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this.type = 'polygon';
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this.exterior = exterior;
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this.interiors = interiors;
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}
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return GeoJSONPolygonGeometry;
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}();
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export { GeoJSONPolygonGeometry };
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var GeoJSONLineStringGeometry =
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/** @class */
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function () {
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function GeoJSONLineStringGeometry(points) {
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this.type = 'linestring';
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this.points = points;
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}
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return GeoJSONLineStringGeometry;
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}();
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export { GeoJSONLineStringGeometry };
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var GeoJSONRegion =
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/** @class */
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function (_super) {
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__extends(GeoJSONRegion, _super);
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function GeoJSONRegion(name, geometries, cp) {
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var _this = _super.call(this, name) || this;
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_this.type = 'geoJSON';
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_this.geometries = geometries;
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_this._center = cp && [cp[0], cp[1]];
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return _this;
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}
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GeoJSONRegion.prototype.calcCenter = function () {
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var geometries = this.geometries;
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var largestGeo;
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var largestGeoSize = 0;
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for (var i = 0; i < geometries.length; i++) {
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var geo = geometries[i];
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var exterior = geo.exterior; // Simple trick to use points count instead of polygon area as region size.
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// Ignore linestring
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var size = exterior && exterior.length;
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if (size > largestGeoSize) {
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largestGeo = geo;
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largestGeoSize = size;
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}
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}
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if (largestGeo) {
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return centroid(largestGeo.exterior);
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} // from bounding rect by default.
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var rect = this.getBoundingRect();
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return [rect.x + rect.width / 2, rect.y + rect.height / 2];
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};
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GeoJSONRegion.prototype.getBoundingRect = function (projection) {
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var rect = this._rect; // Always recalculate if using projection.
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if (rect && !projection) {
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return rect;
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}
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var min = [Infinity, Infinity];
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var max = [-Infinity, -Infinity];
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var geometries = this.geometries;
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each(geometries, function (geo) {
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if (geo.type === 'polygon') {
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// Doesn't consider hole
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updateBBoxFromPoints(geo.exterior, min, max, projection);
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} else {
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each(geo.points, function (points) {
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updateBBoxFromPoints(points, min, max, projection);
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});
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}
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}); // Normalie invalid bounding.
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if (!(isFinite(min[0]) && isFinite(min[1]) && isFinite(max[0]) && isFinite(max[1]))) {
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min[0] = min[1] = max[0] = max[1] = 0;
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}
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rect = new BoundingRect(min[0], min[1], max[0] - min[0], max[1] - min[1]);
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if (!projection) {
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this._rect = rect;
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}
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return rect;
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};
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GeoJSONRegion.prototype.contain = function (coord) {
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var rect = this.getBoundingRect();
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var geometries = this.geometries;
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if (!rect.contain(coord[0], coord[1])) {
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return false;
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}
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loopGeo: for (var i = 0, len = geometries.length; i < len; i++) {
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var geo = geometries[i]; // Only support polygon.
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if (geo.type !== 'polygon') {
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continue;
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}
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var exterior = geo.exterior;
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var interiors = geo.interiors;
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if (polygonContain.contain(exterior, coord[0], coord[1])) {
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// Not in the region if point is in the hole.
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for (var k = 0; k < (interiors ? interiors.length : 0); k++) {
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if (polygonContain.contain(interiors[k], coord[0], coord[1])) {
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continue loopGeo;
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}
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}
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return true;
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}
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}
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return false;
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};
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/**
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* Transform the raw coords to target bounding.
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* @param x
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* @param y
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* @param width
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* @param height
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*/
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GeoJSONRegion.prototype.transformTo = function (x, y, width, height) {
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var rect = this.getBoundingRect();
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var aspect = rect.width / rect.height;
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if (!width) {
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width = aspect * height;
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} else if (!height) {
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height = width / aspect;
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}
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var target = new BoundingRect(x, y, width, height);
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var transform = rect.calculateTransform(target);
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var geometries = this.geometries;
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for (var i = 0; i < geometries.length; i++) {
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var geo = geometries[i];
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if (geo.type === 'polygon') {
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transformPoints(geo.exterior, transform);
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each(geo.interiors, function (interior) {
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transformPoints(interior, transform);
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});
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} else {
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each(geo.points, function (points) {
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transformPoints(points, transform);
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});
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}
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}
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rect = this._rect;
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rect.copy(target); // Update center
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this._center = [rect.x + rect.width / 2, rect.y + rect.height / 2];
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};
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GeoJSONRegion.prototype.cloneShallow = function (name) {
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name == null && (name = this.name);
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var newRegion = new GeoJSONRegion(name, this.geometries, this._center);
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newRegion._rect = this._rect;
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newRegion.transformTo = null; // Simply avoid to be called.
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return newRegion;
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};
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return GeoJSONRegion;
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}(Region);
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export { GeoJSONRegion };
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var GeoSVGRegion =
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/** @class */
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function (_super) {
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__extends(GeoSVGRegion, _super);
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function GeoSVGRegion(name, elOnlyForCalculate) {
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var _this = _super.call(this, name) || this;
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_this.type = 'geoSVG';
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_this._elOnlyForCalculate = elOnlyForCalculate;
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return _this;
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}
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GeoSVGRegion.prototype.calcCenter = function () {
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var el = this._elOnlyForCalculate;
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var rect = el.getBoundingRect();
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var center = [rect.x + rect.width / 2, rect.y + rect.height / 2];
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var mat = matrix.identity(TMP_TRANSFORM);
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var target = el;
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while (target && !target.isGeoSVGGraphicRoot) {
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matrix.mul(mat, target.getLocalTransform(), mat);
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target = target.parent;
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}
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matrix.invert(mat, mat);
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vec2.applyTransform(center, center, mat);
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return center;
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};
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return GeoSVGRegion;
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}(Region);
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export { GeoSVGRegion };
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