309 lines
10 KiB
JavaScript
309 lines
10 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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/**
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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.js';
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import { createSymbol } from '../../util/symbol.js';
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import { getECData } from '../../util/innerStore.js';
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var BOOST_SIZE_THRESHOLD = 4;
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var LargeSymbolPathShape = /** @class */function () {
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function LargeSymbolPathShape() {}
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return LargeSymbolPathShape;
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}();
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var LargeSymbolPath = /** @class */function (_super) {
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__extends(LargeSymbolPath, _super);
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function LargeSymbolPath(opts) {
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var _this = _super.call(this, opts) || this;
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_this._off = 0;
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_this.hoverDataIdx = -1;
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return _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.reset = function () {
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this.notClear = false;
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this._off = 0;
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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;
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var softClipShape = this.softClipShape;
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var i;
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// 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 (i = this._off; 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 (softClipShape && !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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if (this.incremental) {
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this._off = i;
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this.notClear = 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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var softClipShape = this.softClipShape;
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var i;
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if (!ctx) {
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return;
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}
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// PENDING If style or other canvas status changed?
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for (i = this._off; 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 (softClipShape && !softClipShape.contain(x, y)) {
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continue;
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}
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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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if (this.incremental) {
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this._off = i;
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this.notClear = true;
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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);
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// 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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LargeSymbolPath.prototype.contain = function (x, y) {
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var localPos = this.transformCoordToLocal(x, y);
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var rect = this.getBoundingRect();
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x = localPos[0];
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y = localPos[1];
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if (rect.contain(x, y)) {
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// Cache found data index.
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var dataIdx = this.hoverDataIdx = this.findDataIndex(x, y);
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return dataIdx >= 0;
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}
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this.hoverDataIdx = -1;
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return false;
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};
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LargeSymbolPath.prototype.getBoundingRect = function () {
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// Ignore stroke for large symbol draw.
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var rect = this._rect;
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if (!rect) {
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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 = size[0];
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var h = size[1];
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var minX = Infinity;
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var minY = Infinity;
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var maxX = -Infinity;
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var maxY = -Infinity;
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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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minX = Math.min(x, minX);
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maxX = Math.max(x, maxX);
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minY = Math.min(y, minY);
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maxY = Math.max(y, maxY);
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}
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rect = this._rect = new graphic.BoundingRect(minX - w / 2, minY - h / 2, maxX - minX + w, maxY - minY + h);
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}
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return rect;
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};
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return LargeSymbolPath;
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}(graphic.Path);
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var LargeSymbolDraw = /** @class */function () {
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function LargeSymbolDraw() {
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this.group = new graphic.Group();
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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._clear();
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var symbolEl = this._create();
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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, opt);
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};
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LargeSymbolDraw.prototype.updateLayout = function (data) {
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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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// Reset draw cursor.
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child.reset();
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});
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};
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LargeSymbolDraw.prototype.incrementalPrepareUpdate = function (data) {
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this._clear();
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};
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LargeSymbolDraw.prototype.incrementalUpdate = function (taskParams, data, opt) {
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var lastAdded = this._newAdded[0];
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var points = data.getLayout('points');
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var oldPoints = lastAdded && lastAdded.shape.points;
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// Merging the exists. Each element has 1e4 points.
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// Consider the performance balance between too much elements and too much points in one shape(may affect hover optimization)
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if (oldPoints && oldPoints.length < 2e4) {
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var oldLen = oldPoints.length;
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var newPoints = new Float32Array(oldLen + points.length);
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// Concat two array
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newPoints.set(oldPoints);
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newPoints.set(points, oldLen);
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// Update endIndex
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lastAdded.endIndex = taskParams.end;
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lastAdded.setShape({
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points: newPoints
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});
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} else {
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// Clear
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this._newAdded = [];
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var symbolEl = this._create();
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symbolEl.startIndex = taskParams.start;
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symbolEl.endIndex = taskParams.end;
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symbolEl.incremental = true;
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symbolEl.setShape({
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points: points
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});
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this._setCommon(symbolEl, data, opt);
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}
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};
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LargeSymbolDraw.prototype.eachRendered = function (cb) {
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this._newAdded[0] && cb(this._newAdded[0]);
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};
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LargeSymbolDraw.prototype._create = function () {
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var symbolEl = new LargeSymbolPath({
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cursor: 'default'
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});
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symbolEl.ignoreCoarsePointer = true;
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this.group.add(symbolEl);
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this._newAdded.push(symbolEl);
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return symbolEl;
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};
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LargeSymbolDraw.prototype._setCommon = function (symbolEl, data, 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;
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// Create symbolProxy to build path for each data
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symbolEl.symbolProxy = createSymbol(data.getVisual('symbol'), 0, 0, 0, 0);
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// 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(
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// 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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var ecData = getECData(symbolEl);
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// Enable tooltip
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// PENDING May have performance issue when path is extremely large
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ecData.seriesIndex = hostModel.seriesIndex;
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symbolEl.on('mousemove', function (e) {
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ecData.dataIndex = null;
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var dataIndex = symbolEl.hoverDataIdx;
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if (dataIndex >= 0) {
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// Provide dataIndex for tooltip
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ecData.dataIndex = dataIndex + (symbolEl.startIndex || 0);
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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._clear();
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};
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LargeSymbolDraw.prototype._clear = function () {
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this._newAdded = [];
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this.group.removeAll();
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};
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return LargeSymbolDraw;
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}();
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export default LargeSymbolDraw;
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