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This commit is contained in:
@@ -0,0 +1,927 @@
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/* *
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*
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* Copyright (c) 2019-2021 Highsoft AS
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*
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* Boost module: stripped-down renderer for higher performance
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*
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* License: highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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import BoostableMap from './BoostableMap.js';
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import Boostables from './Boostables.js';
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import BoostChart from './BoostChart.js';
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var getBoostClipRect = BoostChart.getBoostClipRect, isChartSeriesBoosting = BoostChart.isChartSeriesBoosting;
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import DefaultOptions from '../../Core/DefaultOptions.js';
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var getOptions = DefaultOptions.getOptions;
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import H from '../../Core/Globals.js';
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var doc = H.doc, noop = H.noop, win = H.win;
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import U from '../../Core/Utilities.js';
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var addEvent = U.addEvent, error = U.error, extend = U.extend, fireEvent = U.fireEvent, isArray = U.isArray, isNumber = U.isNumber, pick = U.pick, wrap = U.wrap;
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import WGLRenderer from './WGLRenderer.js';
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/* *
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*
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* Constants
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*
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* */
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var CHUNK_SIZE = 3000;
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var composedClasses = [];
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/* *
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*
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* Variables
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*
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* */
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var index, mainCanvas;
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/* *
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*
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* Functions
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*
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* */
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/**
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* @private
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*/
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function allocateIfNotSeriesBoosting(renderer, series) {
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var boost = series.boost;
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if (renderer &&
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boost &&
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boost.target &&
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boost.canvas &&
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!isChartSeriesBoosting(series.chart)) {
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renderer.allocateBufferForSingleSeries(series);
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}
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}
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/**
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* Return true if ths boost.enabled option is true
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*
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* @private
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* @param {Highcharts.Chart} chart
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* The chart
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* @return {boolean}
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* True, if boost is enabled.
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*/
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function boostEnabled(chart) {
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return pick((chart &&
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chart.options &&
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chart.options.boost &&
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chart.options.boost.enabled), true);
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}
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/**
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* @private
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*/
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function compose(SeriesClass, seriesTypes, wglMode) {
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var PointClass = SeriesClass.prototype.pointClass;
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if (composedClasses.indexOf(PointClass) === -1) {
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composedClasses.push(PointClass);
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wrap(PointClass.prototype, 'haloPath', wrapPointHaloPath);
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}
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if (composedClasses.indexOf(SeriesClass) === -1) {
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composedClasses.push(SeriesClass);
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addEvent(SeriesClass, 'destroy', onSeriesDestroy);
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addEvent(SeriesClass, 'hide', onSeriesHide);
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var seriesProto_1 = SeriesClass.prototype;
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if (wglMode) {
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seriesProto_1.renderCanvas = seriesRenderCanvas;
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}
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wrap(seriesProto_1, 'getExtremes', wrapSeriesGetExtremes);
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wrap(seriesProto_1, 'markerAttribs', wrapSeriesMarkerAttribs);
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wrap(seriesProto_1, 'processData', wrapSeriesProcessData);
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wrap(seriesProto_1, 'searchPoint', wrapSeriesSearchPoint);
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[
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'translate',
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'generatePoints',
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'drawTracker',
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'drawPoints',
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'render'
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].forEach(function (method) {
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return wrapSeriesFunctions(seriesProto_1, seriesTypes, method);
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});
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}
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if (composedClasses.indexOf(getOptions) === -1) {
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composedClasses.push(getOptions);
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var plotOptions_1 = getOptions().plotOptions;
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// Set default options
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Boostables.forEach(function (type) {
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var typePlotOptions = plotOptions_1[type];
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if (typePlotOptions) {
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typePlotOptions.boostThreshold = 5000;
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typePlotOptions.boostData = [];
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seriesTypes[type].prototype.fillOpacity = true;
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}
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});
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}
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if (wglMode) {
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var AreaSeries = seriesTypes.area, AreaSplineSeries = seriesTypes.areaspline, BubbleSeries = seriesTypes.bubble, ColumnSeries = seriesTypes.column, HeatmapSeries = seriesTypes.heatmap, ScatterSeries = seriesTypes.scatter, TreemapSeries = seriesTypes.treemap;
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if (AreaSeries &&
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composedClasses.indexOf(AreaSeries) === -1) {
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composedClasses.push(AreaSeries);
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extend(AreaSeries.prototype, {
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fill: true,
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fillOpacity: true,
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sampling: true
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});
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}
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if (AreaSplineSeries &&
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composedClasses.indexOf(AreaSplineSeries) === -1) {
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composedClasses.push(AreaSplineSeries);
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extend(AreaSplineSeries.prototype, {
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fill: true,
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fillOpacity: true,
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sampling: true
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});
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}
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if (BubbleSeries &&
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composedClasses.indexOf(BubbleSeries) === -1) {
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composedClasses.push(BubbleSeries);
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var bubbleProto_1 = BubbleSeries.prototype;
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// By default, the bubble series does not use the KD-tree, so force
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// it to.
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delete bubbleProto_1.buildKDTree;
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// seriesTypes.bubble.prototype.directTouch = false;
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// Needed for markers to work correctly
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wrap(bubbleProto_1, 'markerAttribs', function (proceed) {
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if (this.boosted) {
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return false;
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}
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return proceed.apply(this, [].slice.call(arguments, 1));
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});
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}
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if (ColumnSeries &&
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composedClasses.indexOf(ColumnSeries) === -1) {
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composedClasses.push(ColumnSeries);
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extend(ColumnSeries.prototype, {
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fill: true,
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sampling: true
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});
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}
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if (ScatterSeries &&
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composedClasses.indexOf(ScatterSeries) === -1) {
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composedClasses.push(ScatterSeries);
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ScatterSeries.prototype.fill = true;
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}
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// We need to handle heatmaps separatly, since we can't perform the
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// size/color calculations in the shader easily.
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// @todo This likely needs future optimization.
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[HeatmapSeries, TreemapSeries].forEach(function (SC) {
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if (SC && composedClasses.indexOf(SC) === -1) {
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composedClasses.push(SC);
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wrap(SC.prototype, 'drawPoints', wrapSeriesDrawPoints);
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}
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});
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}
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return SeriesClass;
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}
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/**
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* Create a canvas + context and attach it to the target
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*
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* @private
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* @function createAndAttachRenderer
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*
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* @param {Highcharts.Chart} chart
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* the chart
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*
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* @param {Highcharts.Series} series
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* the series
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*
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* @return {Highcharts.BoostGLRenderer}
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* the canvas renderer
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*/
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function createAndAttachRenderer(chart, series) {
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var ChartClass = chart.constructor, targetGroup = chart.seriesGroup || series.group, alpha = 1;
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var width = chart.chartWidth, height = chart.chartHeight, target = chart, foSupported = typeof SVGForeignObjectElement !== 'undefined';
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if (isChartSeriesBoosting(chart)) {
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target = chart;
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}
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else {
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target = series;
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}
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var boost = target.boost =
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target.boost ||
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{};
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// Support for foreignObject is flimsy as best.
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// IE does not support it, and Chrome has a bug which messes up
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// the canvas draw order.
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// As such, we force the Image fallback for now, but leaving the
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// actual Canvas path in-place in case this changes in the future.
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foSupported = false;
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if (!mainCanvas) {
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mainCanvas = doc.createElement('canvas');
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}
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if (!boost.target) {
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boost.canvas = mainCanvas;
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// Fall back to image tag if foreignObject isn't supported,
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// or if we're exporting.
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if (chart.renderer.forExport || !foSupported) {
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target.renderTarget = boost.target = chart.renderer.image('', 0, 0, width, height)
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.addClass('highcharts-boost-canvas')
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.add(targetGroup);
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boost.clear = function () {
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boost.target.attr({
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// Insert a blank pixel (#17182)
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/* eslint-disable-next-line max-len*/
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href: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
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});
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};
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boost.copy = function () {
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boost.resize();
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boost.target.attr({
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href: boost.canvas.toDataURL('image/png')
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});
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};
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}
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else {
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boost.targetFo = chart.renderer
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.createElement('foreignObject')
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.add(targetGroup);
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target.renderTarget = boost.target =
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doc.createElement('canvas');
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boost.targetCtx = boost.target.getContext('2d');
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boost.targetFo.element.appendChild(boost.target);
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boost.clear = function () {
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boost.target.width = boost.canvas.width;
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boost.target.height = boost.canvas.height;
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};
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boost.copy = function () {
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boost.target.width = boost.canvas.width;
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boost.target.height = boost.canvas.height;
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boost.targetCtx.drawImage(boost.canvas, 0, 0);
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};
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}
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boost.resize = function () {
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width = chart.chartWidth;
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height = chart.chartHeight;
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(boost.targetFo || boost.target)
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.attr({
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x: 0,
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y: 0,
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width: width,
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height: height
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})
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.css({
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pointerEvents: 'none',
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mixedBlendMode: 'normal',
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opacity: alpha
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});
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if (target instanceof ChartClass) {
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target.boost.markerGroup.translate(chart.plotLeft, chart.plotTop);
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}
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};
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boost.clipRect = chart.renderer.clipRect();
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(boost.targetFo || boost.target).clip(boost.clipRect);
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if (target instanceof ChartClass) {
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target.boost.markerGroup = target.renderer
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.g()
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.add(targetGroup)
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.translate(series.xAxis.pos, series.yAxis.pos);
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}
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}
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boost.canvas.width = width;
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boost.canvas.height = height;
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if (boost.clipRect) {
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boost.clipRect.attr(getBoostClipRect(chart, target));
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}
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boost.resize();
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boost.clear();
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if (!boost.wgl) {
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boost.wgl = new WGLRenderer(function (wgl) {
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if (wgl.settings.debug.timeBufferCopy) {
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console.time('buffer copy'); // eslint-disable-line no-console
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}
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boost.copy();
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if (wgl.settings.debug.timeBufferCopy) {
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console.timeEnd('buffer copy'); // eslint-disable-line no-console
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}
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});
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if (!boost.wgl.init(boost.canvas)) {
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// The OGL renderer couldn't be inited.
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// This likely means a shader error as we wouldn't get to this point
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// if there was no WebGL support.
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error('[highcharts boost] - unable to init WebGL renderer');
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}
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// target.ogl.clear();
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boost.wgl.setOptions(chart.options.boost || {});
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if (target instanceof ChartClass) {
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boost.wgl.allocateBuffer(chart);
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}
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}
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boost.wgl.setSize(width, height);
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return boost.wgl;
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}
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/**
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* If implemented in the core, parts of this can probably be
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* shared with other similar methods in Highcharts.
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* @private
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* @function Highcharts.Series#destroyGraphics
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*/
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function destroyGraphics(series) {
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var points = series.points;
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if (points) {
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var point = void 0, i = void 0;
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for (i = 0; i < points.length; i = i + 1) {
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point = points[i];
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if (point && point.destroyElements) {
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point.destroyElements(); // #7557
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}
|
||||
}
|
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}
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['graph', 'area', 'tracker'].forEach(function (prop) {
|
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var seriesProp = series[prop];
|
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if (seriesProp) {
|
||||
series[prop] = seriesProp.destroy();
|
||||
}
|
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});
|
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var zonesSeries = series;
|
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if (zonesSeries.getZonesGraphs) {
|
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var props = zonesSeries.getZonesGraphs([['graph', 'highcharts-graph']]);
|
||||
props.forEach(function (prop) {
|
||||
var zoneGraph = zonesSeries[prop[0]];
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if (zoneGraph) {
|
||||
zonesSeries[prop[0]] = zoneGraph.destroy();
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
/**
|
||||
* An "async" foreach loop. Uses a setTimeout to keep the loop from blocking the
|
||||
* UI thread.
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||||
*
|
||||
* @private
|
||||
* @param {Array<unknown>} arr
|
||||
* The array to loop through.
|
||||
* @param {Function} fn
|
||||
* The callback to call for each item.
|
||||
* @param {Function} finalFunc
|
||||
* The callback to call when done.
|
||||
* @param {number} [chunkSize]
|
||||
* The number of iterations per timeout.
|
||||
* @param {number} [i]
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||||
* The current index.
|
||||
* @param {boolean} [noTimeout]
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* Set to true to skip timeouts.
|
||||
*/
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||||
function eachAsync(arr, fn, finalFunc, chunkSize, i, noTimeout) {
|
||||
i = i || 0;
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||||
chunkSize = chunkSize || CHUNK_SIZE;
|
||||
var threshold = i + chunkSize;
|
||||
var proceed = true;
|
||||
while (proceed && i < threshold && i < arr.length) {
|
||||
proceed = fn(arr[i], i);
|
||||
++i;
|
||||
}
|
||||
if (proceed) {
|
||||
if (i < arr.length) {
|
||||
if (noTimeout) {
|
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eachAsync(arr, fn, finalFunc, chunkSize, i, noTimeout);
|
||||
}
|
||||
else if (win.requestAnimationFrame) {
|
||||
// If available, do requestAnimationFrame - shaves off a few ms
|
||||
win.requestAnimationFrame(function () {
|
||||
eachAsync(arr, fn, finalFunc, chunkSize, i);
|
||||
});
|
||||
}
|
||||
else {
|
||||
setTimeout(eachAsync, 0, arr, fn, finalFunc, chunkSize, i);
|
||||
}
|
||||
}
|
||||
else if (finalFunc) {
|
||||
finalFunc();
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Enter boost mode and apply boost-specific properties.
|
||||
* @private
|
||||
* @function Highcharts.Series#enterBoost
|
||||
*/
|
||||
function enterBoost(series) {
|
||||
series.boost = series.boost || {
|
||||
// faster than a series bind:
|
||||
getPoint: (function (bp) { return getPoint(series, bp); })
|
||||
};
|
||||
var alteredByBoost = series.boost.altered = [];
|
||||
// Save the original values, including whether it was an own
|
||||
// property or inherited from the prototype.
|
||||
['allowDG', 'directTouch', 'stickyTracking'].forEach(function (prop) {
|
||||
alteredByBoost.push({
|
||||
prop: prop,
|
||||
val: series[prop],
|
||||
own: Object.hasOwnProperty.call(series, prop)
|
||||
});
|
||||
});
|
||||
series.allowDG = false;
|
||||
series.directTouch = false;
|
||||
series.stickyTracking = true;
|
||||
// Prevent animation when zooming in on boosted series(#13421).
|
||||
series.finishedAnimating = true;
|
||||
// Hide series label if any
|
||||
if (series.labelBySeries) {
|
||||
series.labelBySeries = series.labelBySeries.destroy();
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Exit from boost mode and restore non-boost properties.
|
||||
* @private
|
||||
* @function Highcharts.Series#exitBoost
|
||||
*/
|
||||
function exitBoost(series) {
|
||||
var boost = series.boost;
|
||||
// Reset instance properties and/or delete instance properties and go back
|
||||
// to prototype
|
||||
if (boost) {
|
||||
(boost.altered || []).forEach(function (setting) {
|
||||
if (setting.own) {
|
||||
series[setting.prop] = setting.val;
|
||||
}
|
||||
else {
|
||||
// Revert to prototype
|
||||
delete series[setting.prop];
|
||||
}
|
||||
});
|
||||
// Clear previous run
|
||||
if (boost.clear) {
|
||||
boost.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
* @function Highcharts.Series#hasExtremes
|
||||
*/
|
||||
function hasExtremes(series, checkX) {
|
||||
var options = series.options, data = options.data, xAxis = series.xAxis && series.xAxis.options, yAxis = series.yAxis && series.yAxis.options, colorAxis = series.colorAxis && series.colorAxis.options;
|
||||
return data.length > (options.boostThreshold || Number.MAX_VALUE) &&
|
||||
// Defined yAxis extremes
|
||||
isNumber(yAxis.min) &&
|
||||
isNumber(yAxis.max) &&
|
||||
// Defined (and required) xAxis extremes
|
||||
(!checkX ||
|
||||
(isNumber(xAxis.min) && isNumber(xAxis.max))) &&
|
||||
// Defined (e.g. heatmap) colorAxis extremes
|
||||
(!colorAxis ||
|
||||
(isNumber(colorAxis.min) && isNumber(colorAxis.max)));
|
||||
}
|
||||
/**
|
||||
* Extend series.destroy to also remove the fake k-d-tree points (#5137).
|
||||
* Normally this is handled by Series.destroy that calls Point.destroy,
|
||||
* but the fake search points are not registered like that.
|
||||
* @private
|
||||
*/
|
||||
function onSeriesDestroy() {
|
||||
var series = this, chart = series.chart;
|
||||
if (chart.boost &&
|
||||
chart.boost.markerGroup === series.markerGroup) {
|
||||
series.markerGroup = null;
|
||||
}
|
||||
if (chart.hoverPoints) {
|
||||
chart.hoverPoints = chart.hoverPoints.filter(function (point) {
|
||||
return point.series === series;
|
||||
});
|
||||
}
|
||||
if (chart.hoverPoint && chart.hoverPoint.series === series) {
|
||||
chart.hoverPoint = null;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function onSeriesHide() {
|
||||
var boost = this.boost;
|
||||
if (boost && boost.canvas && boost.target) {
|
||||
if (boost.wgl) {
|
||||
boost.wgl.clear();
|
||||
}
|
||||
if (boost.clear) {
|
||||
boost.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Performs the actual render if the renderer is
|
||||
* attached to the series.
|
||||
* @private
|
||||
*/
|
||||
function renderIfNotSeriesBoosting(series) {
|
||||
var boost = series.boost;
|
||||
if (boost &&
|
||||
boost.canvas &&
|
||||
boost.target &&
|
||||
boost.wgl &&
|
||||
!isChartSeriesBoosting(series.chart)) {
|
||||
boost.wgl.render(series.chart);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Return a full Point object based on the index.
|
||||
* The boost module uses stripped point objects for performance reasons.
|
||||
|
||||
* @private
|
||||
* @param {object|Highcharts.Point} boostPoint
|
||||
* A stripped-down point object
|
||||
* @return {Highcharts.Point}
|
||||
* A Point object as per https://api.highcharts.com/highcharts#Point
|
||||
*/
|
||||
function getPoint(series, boostPoint) {
|
||||
var seriesOptions = series.options, xAxis = series.xAxis, PointClass = series.pointClass;
|
||||
if (boostPoint instanceof PointClass) {
|
||||
return boostPoint;
|
||||
}
|
||||
var xData = (series.xData ||
|
||||
seriesOptions.xData ||
|
||||
series.processedXData ||
|
||||
false), point = (new PointClass()).init(series, series.options.data[boostPoint.i], xData ? xData[boostPoint.i] : void 0);
|
||||
point.category = pick(xAxis.categories ?
|
||||
xAxis.categories[point.x] :
|
||||
point.x, // @todo simplify
|
||||
point.x);
|
||||
point.dist = boostPoint.dist;
|
||||
point.distX = boostPoint.distX;
|
||||
point.plotX = boostPoint.plotX;
|
||||
point.plotY = boostPoint.plotY;
|
||||
point.index = boostPoint.i;
|
||||
point.isInside = series.isPointInside(point);
|
||||
return point;
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
* @function Highcharts.Series#renderCanvas
|
||||
*/
|
||||
function seriesRenderCanvas() {
|
||||
var _this = this;
|
||||
var options = this.options || {}, chart = this.chart, xAxis = this.xAxis, yAxis = this.yAxis, xData = options.xData || this.processedXData, yData = options.yData || this.processedYData, rawData = options.data, xExtremes = xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, pointTaken = {}, sampling = !!this.sampling, enableMouseTracking = options.enableMouseTracking !== false, threshold = options.threshold, isRange = this.pointArrayMap &&
|
||||
this.pointArrayMap.join(',') === 'low,high', isStacked = !!options.stacking, cropStart = this.cropStart || 0, requireSorting = this.requireSorting, useRaw = !xData, compareX = options.findNearestPointBy === 'x', xDataFull = (this.xData ||
|
||||
this.options.xData ||
|
||||
this.processedXData ||
|
||||
false);
|
||||
var renderer = false, lastClientX, yBottom = yAxis.getThreshold(threshold), minVal, maxVal, minI, maxI;
|
||||
// Get or create the renderer
|
||||
renderer = createAndAttachRenderer(chart, this);
|
||||
chart.boosted = true;
|
||||
if (!this.visible) {
|
||||
return;
|
||||
}
|
||||
// If we are zooming out from SVG mode, destroy the graphics
|
||||
if (this.points || this.graph) {
|
||||
destroyGraphics(this);
|
||||
}
|
||||
// If we're rendering per. series we should create the marker groups
|
||||
// as usual.
|
||||
if (!isChartSeriesBoosting(chart)) {
|
||||
// If all series were boosting, but are not anymore
|
||||
// restore private markerGroup
|
||||
if (chart.boost &&
|
||||
this.markerGroup === chart.boost.markerGroup) {
|
||||
this.markerGroup = void 0;
|
||||
}
|
||||
this.markerGroup = this.plotGroup('markerGroup', 'markers', true, 1, chart.seriesGroup);
|
||||
}
|
||||
else {
|
||||
// If series has a private markeGroup, remove that
|
||||
// and use common markerGroup
|
||||
if (this.markerGroup &&
|
||||
this.markerGroup !== chart.boost.markerGroup) {
|
||||
this.markerGroup.destroy();
|
||||
}
|
||||
// Use a single group for the markers
|
||||
this.markerGroup = chart.boost.markerGroup;
|
||||
// When switching from chart boosting mode, destroy redundant
|
||||
// series boosting targets
|
||||
if (this.boost && this.boost.target) {
|
||||
this.renderTarget = this.boost.target = this.boost.target.destroy();
|
||||
}
|
||||
}
|
||||
var points = this.points = [], addKDPoint = function (clientX, plotY, i) {
|
||||
// We need to do ceil on the clientX to make things
|
||||
// snap to pixel values. The renderer will frequently
|
||||
// draw stuff on "sub-pixels".
|
||||
clientX = Math.ceil(clientX);
|
||||
// Shaves off about 60ms compared to repeated concatenation
|
||||
index = compareX ? clientX : clientX + ',' + plotY;
|
||||
// The k-d tree requires series points.
|
||||
// Reduce the amount of points, since the time to build the
|
||||
// tree increases exponentially.
|
||||
if (enableMouseTracking && !pointTaken[index]) {
|
||||
pointTaken[index] = true;
|
||||
if (chart.inverted) {
|
||||
clientX = xAxis.len - clientX;
|
||||
plotY = yAxis.len - plotY;
|
||||
}
|
||||
points.push({
|
||||
x: xDataFull ? xDataFull[cropStart + i] : false,
|
||||
clientX: clientX,
|
||||
plotX: clientX,
|
||||
plotY: plotY,
|
||||
i: cropStart + i
|
||||
});
|
||||
}
|
||||
};
|
||||
// Do not start building while drawing
|
||||
this.buildKDTree = noop;
|
||||
if (renderer) {
|
||||
allocateIfNotSeriesBoosting(renderer, this);
|
||||
renderer.pushSeries(this);
|
||||
// Perform the actual renderer if we're on series level
|
||||
renderIfNotSeriesBoosting(this);
|
||||
}
|
||||
/**
|
||||
* This builds the KD-tree
|
||||
* @private
|
||||
*/
|
||||
function processPoint(d, i) {
|
||||
var chartDestroyed = typeof chart.index === 'undefined';
|
||||
var x, y, clientX, plotY, low = false, isYInside = true;
|
||||
if (typeof d === 'undefined') {
|
||||
return true;
|
||||
}
|
||||
if (!chartDestroyed) {
|
||||
if (useRaw) {
|
||||
x = d[0];
|
||||
y = d[1];
|
||||
}
|
||||
else {
|
||||
x = d;
|
||||
y = yData[i];
|
||||
}
|
||||
// Resolve low and high for range series
|
||||
if (isRange) {
|
||||
if (useRaw) {
|
||||
y = d.slice(1, 3);
|
||||
}
|
||||
low = y[0];
|
||||
y = y[1];
|
||||
}
|
||||
else if (isStacked) {
|
||||
x = d.x;
|
||||
y = d.stackY;
|
||||
low = y - d.y;
|
||||
}
|
||||
// Optimize for scatter zooming
|
||||
if (!requireSorting) {
|
||||
isYInside = (y || 0) >= yMin && y <= yMax;
|
||||
}
|
||||
if (y !== null && x >= xMin && x <= xMax && isYInside) {
|
||||
clientX = xAxis.toPixels(x, true);
|
||||
if (sampling) {
|
||||
if (typeof minI === 'undefined' ||
|
||||
clientX === lastClientX) {
|
||||
if (!isRange) {
|
||||
low = y;
|
||||
}
|
||||
if (typeof maxI === 'undefined' ||
|
||||
y > maxVal) {
|
||||
maxVal = y;
|
||||
maxI = i;
|
||||
}
|
||||
if (typeof minI === 'undefined' ||
|
||||
low < minVal) {
|
||||
minVal = low;
|
||||
minI = i;
|
||||
}
|
||||
}
|
||||
// Add points and reset
|
||||
if (!compareX || clientX !== lastClientX) {
|
||||
// maxI is number too:
|
||||
if (typeof minI !== 'undefined') {
|
||||
plotY =
|
||||
yAxis.toPixels(maxVal, true);
|
||||
yBottom =
|
||||
yAxis.toPixels(minVal, true);
|
||||
addKDPoint(clientX, plotY, maxI);
|
||||
if (yBottom !== plotY) {
|
||||
addKDPoint(clientX, yBottom, minI);
|
||||
}
|
||||
}
|
||||
minI = maxI = void 0;
|
||||
lastClientX = clientX;
|
||||
}
|
||||
}
|
||||
else {
|
||||
plotY = Math.ceil(yAxis.toPixels(y, true));
|
||||
addKDPoint(clientX, plotY, i);
|
||||
}
|
||||
}
|
||||
}
|
||||
return !chartDestroyed;
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
var boostOptions = renderer.settings, doneProcessing = function () {
|
||||
fireEvent(_this, 'renderedCanvas');
|
||||
// Go back to prototype, ready to build
|
||||
delete _this.buildKDTree;
|
||||
_this.buildKDTree();
|
||||
if (boostOptions.debug.timeKDTree) {
|
||||
console.timeEnd('kd tree building'); // eslint-disable-line no-console
|
||||
}
|
||||
};
|
||||
// Loop over the points to build the k-d tree - skip this if
|
||||
// exporting
|
||||
if (!chart.renderer.forExport) {
|
||||
if (boostOptions.debug.timeKDTree) {
|
||||
console.time('kd tree building'); // eslint-disable-line no-console
|
||||
}
|
||||
eachAsync(isStacked ? this.data : (xData || rawData), processPoint, doneProcessing);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* For inverted series, we need to swap X-Y values before running base
|
||||
* methods.
|
||||
* @private
|
||||
*/
|
||||
function wrapPointHaloPath(proceed) {
|
||||
var point = this, series = point.series, chart = series.chart, plotX = point.plotX || 0, plotY = point.plotY || 0, inverted = chart.inverted;
|
||||
if (series.boosted && inverted) {
|
||||
point.plotX = series.yAxis.len - plotY;
|
||||
point.plotY = series.xAxis.len - plotX;
|
||||
}
|
||||
var halo = proceed.apply(this, [].slice.call(arguments, 1));
|
||||
if (series.boosted && inverted) {
|
||||
point.plotX = plotX;
|
||||
point.plotY = plotY;
|
||||
}
|
||||
return halo;
|
||||
}
|
||||
/**
|
||||
* Used for treemap|heatmap.drawPoints
|
||||
* @private
|
||||
*/
|
||||
function wrapSeriesDrawPoints(proceed) {
|
||||
var enabled = true;
|
||||
if (this.chart.options && this.chart.options.boost) {
|
||||
enabled = typeof this.chart.options.boost.enabled === 'undefined' ?
|
||||
true :
|
||||
this.chart.options.boost.enabled;
|
||||
}
|
||||
if (!enabled || !this.boosted) {
|
||||
return proceed.call(this);
|
||||
}
|
||||
this.chart.boosted = true;
|
||||
// Make sure we have a valid OGL context
|
||||
var renderer = createAndAttachRenderer(this.chart, this);
|
||||
if (renderer) {
|
||||
allocateIfNotSeriesBoosting(renderer, this);
|
||||
renderer.pushSeries(this);
|
||||
}
|
||||
renderIfNotSeriesBoosting(this);
|
||||
}
|
||||
/**
|
||||
* Override a bunch of methods the same way. If the number of points is
|
||||
* below the threshold, run the original method. If not, check for a
|
||||
* canvas version or do nothing.
|
||||
*
|
||||
* Note that we're not overriding any of these for heatmaps.
|
||||
*/
|
||||
function wrapSeriesFunctions(seriesProto, seriesTypes, method) {
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function branch(proceed) {
|
||||
var letItPass = this.options.stacking &&
|
||||
(method === 'translate' || method === 'generatePoints');
|
||||
if (!this.boosted ||
|
||||
letItPass ||
|
||||
!boostEnabled(this.chart) ||
|
||||
this.type === 'heatmap' ||
|
||||
this.type === 'treemap' ||
|
||||
!BoostableMap[this.type] ||
|
||||
this.options.boostThreshold === 0) {
|
||||
proceed.call(this);
|
||||
// Run canvas version of method, like renderCanvas(), if it exists
|
||||
}
|
||||
else if (method === 'render' && this.renderCanvas) {
|
||||
this.renderCanvas();
|
||||
}
|
||||
}
|
||||
wrap(seriesProto, method, branch);
|
||||
// Special case for some types, when translate method is already wrapped
|
||||
if (method === 'translate') {
|
||||
[
|
||||
'column',
|
||||
'arearange',
|
||||
'columnrange',
|
||||
'heatmap',
|
||||
'treemap'
|
||||
].forEach(function (type) {
|
||||
if (seriesTypes[type]) {
|
||||
wrap(seriesTypes[type].prototype, method, branch);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Do not compute extremes when min and max are set. If we use this in the
|
||||
* core, we can add the hook to hasExtremes to the methods directly.
|
||||
* @private
|
||||
*/
|
||||
function wrapSeriesGetExtremes(proceed) {
|
||||
if (this.boosted &&
|
||||
hasExtremes(this)) {
|
||||
return {};
|
||||
}
|
||||
return proceed.apply(this, [].slice.call(arguments, 1));
|
||||
}
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function wrapSeriesMarkerAttribs(proceed, point) {
|
||||
var series = this, chart = series.chart, plotX = point.plotX || 0, plotY = point.plotY || 0, inverted = chart.inverted;
|
||||
if (series.boosted && inverted) {
|
||||
point.plotX = series.yAxis.len - plotY;
|
||||
point.plotY = series.xAxis.len - plotX;
|
||||
}
|
||||
var attribs = proceed.apply(this, [].slice.call(arguments, 1));
|
||||
if (series.boosted && inverted) {
|
||||
point.plotX = plotX;
|
||||
point.plotY = plotY;
|
||||
}
|
||||
return attribs;
|
||||
}
|
||||
/**
|
||||
* If the series is a heatmap or treemap, or if the series is not boosting
|
||||
* do the default behaviour. Otherwise, process if the series has no
|
||||
* extremes.
|
||||
* @private
|
||||
*/
|
||||
function wrapSeriesProcessData(proceed) {
|
||||
var _this = this;
|
||||
var dataToMeasure = this.options.data;
|
||||
/**
|
||||
* Used twice in this function, first on this.options.data, the second
|
||||
* time it runs the check again after processedXData is built.
|
||||
* If the data is going to be grouped, the series shouldn't be boosted.
|
||||
* @private
|
||||
*/
|
||||
var getSeriesBoosting = function (data) {
|
||||
var series = _this;
|
||||
// Check if will be grouped.
|
||||
if (series.forceCrop) {
|
||||
return false;
|
||||
}
|
||||
return (isChartSeriesBoosting(series.chart) ||
|
||||
((data ? data.length : 0) >=
|
||||
(series.options.boostThreshold || Number.MAX_VALUE)));
|
||||
};
|
||||
if (boostEnabled(this.chart) && BoostableMap[this.type]) {
|
||||
var series = this;
|
||||
// If there are no extremes given in the options, we also need to
|
||||
// process the data to read the data extremes. If this is a heatmap,
|
||||
// do default behaviour.
|
||||
if (
|
||||
// First pass with options.data:
|
||||
!getSeriesBoosting(dataToMeasure) ||
|
||||
series.type === 'heatmap' ||
|
||||
series.type === 'treemap' ||
|
||||
// processedYData for the stack (#7481):
|
||||
series.options.stacking ||
|
||||
!hasExtremes(series, true)) {
|
||||
proceed.apply(series, [].slice.call(arguments, 1));
|
||||
dataToMeasure = series.processedXData;
|
||||
}
|
||||
// Set the isBoosting flag, second pass with processedXData to
|
||||
// see if we have zoomed.
|
||||
series.boosted = getSeriesBoosting(dataToMeasure);
|
||||
// Enter or exit boost mode
|
||||
if (series.boosted) {
|
||||
// Force turbo-mode:
|
||||
var firstPoint = void 0;
|
||||
if (series.options.data &&
|
||||
series.options.data.length) {
|
||||
firstPoint = series.getFirstValidPoint(series.options.data);
|
||||
if (!isNumber(firstPoint) && !isArray(firstPoint)) {
|
||||
error(12, false, series.chart);
|
||||
}
|
||||
}
|
||||
enterBoost(series);
|
||||
}
|
||||
else {
|
||||
exitBoost(series);
|
||||
}
|
||||
// The series type is not boostable
|
||||
}
|
||||
else {
|
||||
proceed.apply(this, [].slice.call(arguments, 1));
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Return a point instance from the k-d-tree
|
||||
* @private
|
||||
*/
|
||||
function wrapSeriesSearchPoint(proceed) {
|
||||
var result = proceed.apply(this, [].slice.call(arguments, 1));
|
||||
if (this.boost && result) {
|
||||
return this.boost.getPoint(result);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
/* *
|
||||
*
|
||||
* Default Export
|
||||
*
|
||||
* */
|
||||
var BoostSeries = {
|
||||
compose: compose,
|
||||
destroyGraphics: destroyGraphics,
|
||||
getPoint: getPoint
|
||||
};
|
||||
export default BoostSeries;
|
||||
Reference in New Issue
Block a user