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315 lines
8.7 KiB
315 lines
8.7 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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/**
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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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/* global Float32Array */
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// TODO Batch by color
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import * as graphic from '../../util/graphic';
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import { createSymbol } from '../../util/symbol';
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import IncrementalDisplayable from 'zrender/lib/graphic/IncrementalDisplayable';
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import { getECData } from '../../util/innerStore';
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var BOOST_SIZE_THRESHOLD = 4;
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var LargeSymbolPathShape =
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/** @class */
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function () {
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function LargeSymbolPathShape() {}
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return LargeSymbolPathShape;
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}();
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var LargeSymbolPath =
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/** @class */
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function (_super) {
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__extends(LargeSymbolPath, _super);
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function LargeSymbolPath(opts) {
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return _super.call(this, opts) || this;
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}
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LargeSymbolPath.prototype.getDefaultShape = function () {
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return new LargeSymbolPathShape();
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};
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LargeSymbolPath.prototype.buildPath = function (path, shape) {
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var points = shape.points;
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var size = shape.size;
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var symbolProxy = this.symbolProxy;
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var symbolProxyShape = symbolProxy.shape;
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var ctx = path.getContext ? path.getContext() : path;
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var canBoost = ctx && size[0] < BOOST_SIZE_THRESHOLD; // Do draw in afterBrush.
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if (canBoost) {
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this._ctx = ctx;
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return;
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}
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this._ctx = null;
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for (var i = 0; i < points.length;) {
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var x = points[i++];
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var y = points[i++];
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if (isNaN(x) || isNaN(y)) {
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continue;
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}
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if (this.softClipShape && !this.softClipShape.contain(x, y)) {
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continue;
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}
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symbolProxyShape.x = x - size[0] / 2;
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symbolProxyShape.y = y - size[1] / 2;
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symbolProxyShape.width = size[0];
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symbolProxyShape.height = size[1];
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symbolProxy.buildPath(path, symbolProxyShape, true);
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}
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};
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LargeSymbolPath.prototype.afterBrush = function () {
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var shape = this.shape;
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var points = shape.points;
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var size = shape.size;
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var ctx = this._ctx;
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if (!ctx) {
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return;
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} // PENDING If style or other canvas status changed?
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for (var i = 0; i < points.length;) {
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var x = points[i++];
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var y = points[i++];
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if (isNaN(x) || isNaN(y)) {
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continue;
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}
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if (this.softClipShape && !this.softClipShape.contain(x, y)) {
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continue;
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} // fillRect is faster than building a rect path and draw.
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// And it support light globalCompositeOperation.
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ctx.fillRect(x - size[0] / 2, y - size[1] / 2, size[0], size[1]);
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}
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};
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LargeSymbolPath.prototype.findDataIndex = function (x, y) {
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// TODO ???
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// Consider transform
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var shape = this.shape;
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var points = shape.points;
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var size = shape.size;
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var w = Math.max(size[0], 4);
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var h = Math.max(size[1], 4); // Not consider transform
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// Treat each element as a rect
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// top down traverse
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for (var idx = points.length / 2 - 1; idx >= 0; idx--) {
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var i = idx * 2;
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var x0 = points[i] - w / 2;
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var y0 = points[i + 1] - h / 2;
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if (x >= x0 && y >= y0 && x <= x0 + w && y <= y0 + h) {
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return idx;
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}
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}
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return -1;
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};
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return LargeSymbolPath;
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}(graphic.Path);
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var LargeSymbolDraw =
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/** @class */
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function () {
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function LargeSymbolDraw() {
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this.group = new graphic.Group();
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}
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LargeSymbolDraw.prototype.isPersistent = function () {
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return !this._incremental;
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};
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;
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/**
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* Update symbols draw by new data
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*/
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LargeSymbolDraw.prototype.updateData = function (data, opt) {
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this.group.removeAll();
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var symbolEl = new LargeSymbolPath({
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rectHover: true,
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cursor: 'default'
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});
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symbolEl.setShape({
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points: data.getLayout('points')
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});
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this._setCommon(symbolEl, data, false, opt);
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this.group.add(symbolEl);
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this._incremental = null;
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};
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LargeSymbolDraw.prototype.updateLayout = function (data) {
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if (this._incremental) {
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return;
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}
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var points = data.getLayout('points');
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this.group.eachChild(function (child) {
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if (child.startIndex != null) {
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var len = (child.endIndex - child.startIndex) * 2;
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var byteOffset = child.startIndex * 4 * 2;
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points = new Float32Array(points.buffer, byteOffset, len);
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}
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child.setShape('points', points);
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});
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};
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LargeSymbolDraw.prototype.incrementalPrepareUpdate = function (data) {
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this.group.removeAll();
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this._clearIncremental(); // Only use incremental displayables when data amount is larger than 2 million.
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// PENDING Incremental data?
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if (data.count() > 2e6) {
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if (!this._incremental) {
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this._incremental = new IncrementalDisplayable({
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silent: true
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});
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}
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this.group.add(this._incremental);
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} else {
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this._incremental = null;
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}
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};
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LargeSymbolDraw.prototype.incrementalUpdate = function (taskParams, data, opt) {
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var symbolEl;
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if (this._incremental) {
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symbolEl = new LargeSymbolPath();
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this._incremental.addDisplayable(symbolEl, true);
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} else {
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symbolEl = new LargeSymbolPath({
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rectHover: true,
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cursor: 'default',
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startIndex: taskParams.start,
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endIndex: taskParams.end
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});
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symbolEl.incremental = true;
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this.group.add(symbolEl);
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}
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symbolEl.setShape({
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points: data.getLayout('points')
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});
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this._setCommon(symbolEl, data, !!this._incremental, opt);
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};
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LargeSymbolDraw.prototype._setCommon = function (symbolEl, data, isIncremental, opt) {
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var hostModel = data.hostModel;
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opt = opt || {};
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var size = data.getVisual('symbolSize');
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symbolEl.setShape('size', size instanceof Array ? size : [size, size]);
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symbolEl.softClipShape = opt.clipShape || null; // Create symbolProxy to build path for each data
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symbolEl.symbolProxy = createSymbol(data.getVisual('symbol'), 0, 0, 0, 0); // Use symbolProxy setColor method
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symbolEl.setColor = symbolEl.symbolProxy.setColor;
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var extrudeShadow = symbolEl.shape.size[0] < BOOST_SIZE_THRESHOLD;
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symbolEl.useStyle( // Draw shadow when doing fillRect is extremely slow.
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hostModel.getModel('itemStyle').getItemStyle(extrudeShadow ? ['color', 'shadowBlur', 'shadowColor'] : ['color']));
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var globalStyle = data.getVisual('style');
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var visualColor = globalStyle && globalStyle.fill;
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if (visualColor) {
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symbolEl.setColor(visualColor);
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}
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if (!isIncremental) {
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var ecData_1 = getECData(symbolEl); // Enable tooltip
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// PENDING May have performance issue when path is extremely large
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ecData_1.seriesIndex = hostModel.seriesIndex;
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symbolEl.on('mousemove', function (e) {
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ecData_1.dataIndex = null;
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var dataIndex = symbolEl.findDataIndex(e.offsetX, e.offsetY);
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if (dataIndex >= 0) {
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// Provide dataIndex for tooltip
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ecData_1.dataIndex = dataIndex + (symbolEl.startIndex || 0);
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}
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});
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}
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};
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LargeSymbolDraw.prototype.remove = function () {
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this._clearIncremental();
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this._incremental = null;
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this.group.removeAll();
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};
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LargeSymbolDraw.prototype._clearIncremental = function () {
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var incremental = this._incremental;
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if (incremental) {
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incremental.clearDisplaybles();
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}
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};
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return LargeSymbolDraw;
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}();
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export default LargeSymbolDraw; |