/**
 * @license Highcharts JS v11.1.0 (2023-06-05)
 *
 * Boost module
 *
 * (c) 2010-2021 Highsoft AS
 * Author: Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/boost-canvas', ['highcharts'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    'use strict';
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);

            if (typeof CustomEvent === 'function') {
                window.dispatchEvent(
                    new CustomEvent(
                        'HighchartsModuleLoaded',
                        { detail: { path: path, module: obj[path] }
                    })
                );
            }
        }
    }
    _registerModule(_modules, 'Extensions/Boost/Boostables.js', [], function () {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* *
         *
         *  Constants
         *
         * */
        // These are the series we allow boosting for.
        const Boostables = [
            'area',
            'areaspline',
            'arearange',
            'column',
            'columnrange',
            'bar',
            'line',
            'scatter',
            'heatmap',
            'bubble',
            'treemap'
        ];
        /* *
         *
         *  Default Export
         *
         * */

        return Boostables;
    });
    _registerModule(_modules, 'Extensions/Boost/BoostableMap.js', [_modules['Extensions/Boost/Boostables.js']], function (Boostables) {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* *
         *
         *  Imports
         *
         * */
        /* *
         *
         *  Constants
         *
         * */
        // These are the series we allow boosting for.
        const BoostableMap = {};
        Boostables.forEach((item) => {
            BoostableMap[item] = true;
        });
        /* *
         *
         *  Default Export
         *
         * */

        return BoostableMap;
    });
    _registerModule(_modules, 'Extensions/Boost/BoostChart.js', [_modules['Extensions/Boost/BoostableMap.js'], _modules['Core/Utilities.js']], function (BoostableMap, U) {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        const { addEvent, pick } = U;
        /* *
         *
         *  Constants
         *
         * */
        const composedClasses = [];
        /* *
         *
         *  Functions
         *
         * */
        /**
         * @private
         */
        function compose(ChartClass, wglMode) {
            if (wglMode && U.pushUnique(composedClasses, ChartClass)) {
                ChartClass.prototype.callbacks.push(onChartCallback);
            }
            return ChartClass;
        }
        /**
         * Get the clip rectangle for a target, either a series or the chart.
         * For the chart, we need to consider the maximum extent of its Y axes,
         * in case of Highcharts Stock panes and navigator.
         *
         * @private
         * @function Highcharts.Chart#getBoostClipRect
         */
        function getBoostClipRect(chart, target) {
            const clipBox = {
                x: chart.plotLeft,
                y: chart.plotTop,
                width: chart.plotWidth,
                height: chart.plotHeight
            };
            if (target === chart) {
                const verticalAxes = chart.inverted ? chart.xAxis : chart.yAxis; // #14444
                if (verticalAxes.length <= 1) {
                    clipBox.y = Math.min(verticalAxes[0].pos, clipBox.y);
                    clipBox.height = (verticalAxes[0].pos -
                        chart.plotTop +
                        verticalAxes[0].len);
                }
                else {
                    clipBox.height = chart.plotHeight;
                }
            }
            return clipBox;
        }
        /**
         * Returns true if the chart is in series boost mode.
         * @private
         * @param {Highcharts.Chart} chart
         * Chart to check.
         * @return {boolean}
         * `true` if the chart is in series boost mode.
         */
        function isChartSeriesBoosting(chart) {
            const allSeries = chart.series, boost = chart.boost = chart.boost || {}, boostOptions = chart.options.boost || {}, threshold = pick(boostOptions.seriesThreshold, 50);
            if (allSeries.length >= threshold) {
                return true;
            }
            if (allSeries.length === 1) {
                return false;
            }
            let allowBoostForce = boostOptions.allowForce;
            if (typeof allowBoostForce === 'undefined') {
                allowBoostForce = true;
                for (const axis of chart.xAxis) {
                    if (pick(axis.min, -Infinity) > pick(axis.dataMin, -Infinity) ||
                        pick(axis.max, Infinity) < pick(axis.dataMax, Infinity)) {
                        allowBoostForce = false;
                        break;
                    }
                }
            }
            if (typeof boost.forceChartBoost !== 'undefined') {
                if (allowBoostForce) {
                    return boost.forceChartBoost;
                }
                boost.forceChartBoost = void 0;
            }
            // If there are more than five series currently boosting,
            // we should boost the whole chart to avoid running out of webgl contexts.
            let canBoostCount = 0, needBoostCount = 0, seriesOptions;
            for (const series of allSeries) {
                seriesOptions = series.options;
                // Don't count series with boostThreshold set to 0
                // See #8950
                // Also don't count if the series is hidden.
                // See #9046
                if (seriesOptions.boostThreshold === 0 ||
                    series.visible === false) {
                    continue;
                }
                // Don't count heatmap series as they are handled differently.
                // In the future we should make the heatmap/treemap path compatible
                // with forcing. See #9636.
                if (series.type === 'heatmap') {
                    continue;
                }
                if (BoostableMap[series.type]) {
                    ++canBoostCount;
                }
                if (patientMax(series.processedXData, seriesOptions.data, 
                // series.xData,
                series.points) >= (seriesOptions.boostThreshold || Number.MAX_VALUE)) {
                    ++needBoostCount;
                }
            }
            boost.forceChartBoost = allowBoostForce && ((canBoostCount === allSeries.length &&
                needBoostCount > 0) ||
                needBoostCount > 5);
            return boost.forceChartBoost;
        }
        /**
         * Take care of the canvas blitting
         * @private
         */
        function onChartCallback(chart) {
            /**
             * Convert chart-level canvas to image.
             * @private
             */
            function canvasToSVG() {
                if (chart.boost &&
                    chart.boost.wgl &&
                    isChartSeriesBoosting(chart)) {
                    chart.boost.wgl.render(chart);
                }
            }
            /**
             * Clear chart-level canvas.
             * @private
             */
            function preRender() {
                // Reset force state
                chart.boost = chart.boost || {};
                chart.boost.forceChartBoost = void 0;
                chart.boosted = false;
                // Clear the canvas
                if (chart.boost.clear) {
                    chart.boost.clear();
                }
                if (chart.boost.canvas &&
                    chart.boost.wgl &&
                    isChartSeriesBoosting(chart)) {
                    // Allocate
                    chart.boost.wgl.allocateBuffer(chart);
                }
                // see #6518 + #6739
                if (chart.boost.markerGroup &&
                    chart.xAxis &&
                    chart.xAxis.length > 0 &&
                    chart.yAxis &&
                    chart.yAxis.length > 0) {
                    chart.boost.markerGroup.translate(chart.xAxis[0].pos, chart.yAxis[0].pos);
                }
            }
            addEvent(chart, 'predraw', preRender);
            addEvent(chart, 'render', canvasToSVG);
            // addEvent(chart, 'zoom', function () {
            //     chart.boostForceChartBoost =
            //         shouldForceChartSeriesBoosting(chart);
            // });
            let prevX = -1;
            let prevY = -1;
            addEvent(chart.pointer, 'afterGetHoverData', () => {
                const series = chart.hoverSeries;
                chart.boost = chart.boost || {};
                if (chart.boost.markerGroup && series) {
                    const xAxis = chart.inverted ? series.yAxis : series.xAxis;
                    const yAxis = chart.inverted ? series.xAxis : series.yAxis;
                    if ((xAxis && xAxis.pos !== prevX) ||
                        (yAxis && yAxis.pos !== prevY)) {
                        // #10464: Keep the marker group position in sync with the
                        // position of the hovered series axes since there is only
                        // one shared marker group when boosting.
                        chart.boost.markerGroup.translate(xAxis.pos, yAxis.pos);
                        prevX = xAxis.pos;
                        prevY = yAxis.pos;
                    }
                }
            });
        }
        /**
         * Tolerant max() function.
         *
         * @private
         * @param {...Array<Array<unknown>>} args
         * Max arguments
         * @return {number}
         * Max value
         */
        function patientMax(...args) {
            let r = -Number.MAX_VALUE;
            args.forEach(function (t) {
                if (typeof t !== 'undefined' &&
                    t !== null &&
                    typeof t.length !== 'undefined') {
                    // r = r < t.length ? t.length : r;
                    if (t.length > 0) {
                        r = t.length;
                        return true;
                    }
                }
            });
            return r;
        }
        /* *
         *
         *  Default Export
         *
         * */
        const BoostChart = {
            compose,
            getBoostClipRect,
            isChartSeriesBoosting
        };

        return BoostChart;
    });
    _registerModule(_modules, 'Extensions/Boost/WGLDrawMode.js', [], function () {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* *
         *
         *  Constants
         *
         * */
        const WGLDrawMode = {
            'area': 'LINES',
            'arearange': 'LINES',
            'areaspline': 'LINES',
            'column': 'LINES',
            'columnrange': 'LINES',
            'bar': 'LINES',
            'line': 'LINE_STRIP',
            'scatter': 'POINTS',
            'heatmap': 'TRIANGLES',
            'treemap': 'TRIANGLES',
            'bubble': 'POINTS'
        };
        /* *
         *
         *  Default Export
         *
         * */

        return WGLDrawMode;
    });
    _registerModule(_modules, 'Extensions/Boost/WGLShader.js', [_modules['Core/Utilities.js']], function (U) {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        const { clamp, error, pick } = U;
        /* *
         *
         *  Constants
         *
         * */
        const fragmentShader = [
            /* eslint-disable max-len, @typescript-eslint/indent */
            'precision highp float;',
            'uniform vec4 fillColor;',
            'varying highp vec2 position;',
            'varying highp vec4 vColor;',
            'uniform sampler2D uSampler;',
            'uniform bool isCircle;',
            'uniform bool hasColor;',
            // 'vec4 toColor(float value, vec2 point) {',
            //     'return vec4(0.0, 0.0, 0.0, 0.0);',
            // '}',
            'void main(void) {',
            'vec4 col = fillColor;',
            'vec4 tcol = texture2D(uSampler, gl_PointCoord.st);',
            'if (hasColor) {',
            'col = vColor;',
            '}',
            'if (isCircle) {',
            'col *= tcol;',
            'if (tcol.r < 0.0) {',
            'discard;',
            '} else {',
            'gl_FragColor = col;',
            '}',
            '} else {',
            'gl_FragColor = col;',
            '}',
            '}'
            /* eslint-enable max-len, @typescript-eslint/indent */
        ].join('\n');
        const vertexShader = [
            /* eslint-disable max-len, @typescript-eslint/indent */
            '#version 100',
            '#define LN10 2.302585092994046',
            'precision highp float;',
            'attribute vec4 aVertexPosition;',
            'attribute vec4 aColor;',
            'varying highp vec2 position;',
            'varying highp vec4 vColor;',
            'uniform mat4 uPMatrix;',
            'uniform float pSize;',
            'uniform float translatedThreshold;',
            'uniform bool hasThreshold;',
            'uniform bool skipTranslation;',
            'uniform float xAxisTrans;',
            'uniform float xAxisMin;',
            'uniform float xAxisMinPad;',
            'uniform float xAxisPointRange;',
            'uniform float xAxisLen;',
            'uniform bool  xAxisPostTranslate;',
            'uniform float xAxisOrdinalSlope;',
            'uniform float xAxisOrdinalOffset;',
            'uniform float xAxisPos;',
            'uniform bool  xAxisCVSCoord;',
            'uniform bool  xAxisIsLog;',
            'uniform bool  xAxisReversed;',
            'uniform float yAxisTrans;',
            'uniform float yAxisMin;',
            'uniform float yAxisMinPad;',
            'uniform float yAxisPointRange;',
            'uniform float yAxisLen;',
            'uniform bool  yAxisPostTranslate;',
            'uniform float yAxisOrdinalSlope;',
            'uniform float yAxisOrdinalOffset;',
            'uniform float yAxisPos;',
            'uniform bool  yAxisCVSCoord;',
            'uniform bool  yAxisIsLog;',
            'uniform bool  yAxisReversed;',
            'uniform bool  isBubble;',
            'uniform bool  bubbleSizeByArea;',
            'uniform float bubbleZMin;',
            'uniform float bubbleZMax;',
            'uniform float bubbleZThreshold;',
            'uniform float bubbleMinSize;',
            'uniform float bubbleMaxSize;',
            'uniform bool  bubbleSizeAbs;',
            'uniform bool  isInverted;',
            'float bubbleRadius(){',
            'float value = aVertexPosition.w;',
            'float zMax = bubbleZMax;',
            'float zMin = bubbleZMin;',
            'float radius = 0.0;',
            'float pos = 0.0;',
            'float zRange = zMax - zMin;',
            'if (bubbleSizeAbs){',
            'value = value - bubbleZThreshold;',
            'zMax = max(zMax - bubbleZThreshold, zMin - bubbleZThreshold);',
            'zMin = 0.0;',
            '}',
            'if (value < zMin){',
            'radius = bubbleZMin / 2.0 - 1.0;',
            '} else {',
            'pos = zRange > 0.0 ? (value - zMin) / zRange : 0.5;',
            'if (bubbleSizeByArea && pos > 0.0){',
            'pos = sqrt(pos);',
            '}',
            'radius = ceil(bubbleMinSize + pos * (bubbleMaxSize - bubbleMinSize)) / 2.0;',
            '}',
            'return radius * 2.0;',
            '}',
            'float translate(float val,',
            'float pointPlacement,',
            'float localA,',
            'float localMin,',
            'float minPixelPadding,',
            'float pointRange,',
            'float len,',
            'bool  cvsCoord,',
            'bool  isLog,',
            'bool  reversed',
            '){',
            'float sign = 1.0;',
            'float cvsOffset = 0.0;',
            'if (cvsCoord) {',
            'sign *= -1.0;',
            'cvsOffset = len;',
            '}',
            'if (isLog) {',
            'val = log(val) / LN10;',
            '}',
            'if (reversed) {',
            'sign *= -1.0;',
            'cvsOffset -= sign * len;',
            '}',
            'return sign * (val - localMin) * localA + cvsOffset + ',
            '(sign * minPixelPadding);',
            '}',
            'float xToPixels(float value) {',
            'if (skipTranslation){',
            'return value;// + xAxisPos;',
            '}',
            'return translate(value, 0.0, xAxisTrans, xAxisMin, xAxisMinPad, xAxisPointRange, xAxisLen, xAxisCVSCoord, xAxisIsLog, xAxisReversed);// + xAxisPos;',
            '}',
            'float yToPixels(float value, float checkTreshold) {',
            'float v;',
            'if (skipTranslation){',
            'v = value;// + yAxisPos;',
            '} else {',
            'v = translate(value, 0.0, yAxisTrans, yAxisMin, yAxisMinPad, yAxisPointRange, yAxisLen, yAxisCVSCoord, yAxisIsLog, yAxisReversed);// + yAxisPos;',
            'if (v > yAxisLen) {',
            'v = yAxisLen;',
            '}',
            '}',
            'if (checkTreshold > 0.0 && hasThreshold) {',
            'v = min(v, translatedThreshold);',
            '}',
            'return v;',
            '}',
            'void main(void) {',
            'if (isBubble){',
            'gl_PointSize = bubbleRadius();',
            '} else {',
            'gl_PointSize = pSize;',
            '}',
            // 'gl_PointSize = 10.0;',
            'vColor = aColor;',
            'if (skipTranslation && isInverted) {',
            // If we get translated values from JS, just swap them (x, y)
            'gl_Position = uPMatrix * vec4(aVertexPosition.y + yAxisPos, aVertexPosition.x + xAxisPos, 0.0, 1.0);',
            '} else if (isInverted) {',
            // But when calculating pixel positions directly,
            // swap axes and values (x, y)
            'gl_Position = uPMatrix * vec4(yToPixels(aVertexPosition.y, aVertexPosition.z) + yAxisPos, xToPixels(aVertexPosition.x) + xAxisPos, 0.0, 1.0);',
            '} else {',
            'gl_Position = uPMatrix * vec4(xToPixels(aVertexPosition.x) + xAxisPos, yToPixels(aVertexPosition.y, aVertexPosition.z) + yAxisPos, 0.0, 1.0);',
            '}',
            // 'gl_Position = uPMatrix * vec4(aVertexPosition.x, aVertexPosition.y, 0.0, 1.0);',
            '}'
            /* eslint-enable max-len, @typescript-eslint/indent */
        ].join('\n');
        /* *
         *
         *  Class
         *
         * */
        /* eslint-disable valid-jsdoc */
        /**
         * A static shader mimicing axis translation functions found in Core/Axis
         *
         * @private
         *
         * @param {WebGLContext} gl
         * the context in which the shader is active
         */
        class WGLShader {
            /* *
             *
             *  Constructor
             *
             * */
            constructor(gl) {
                // Error stack
                this.errors = [];
                this.uLocations = {};
                this.gl = gl;
                if (gl && !this.createShader()) {
                    return void 0;
                }
            }
            /* *
             *
             *  Functions
             *
             * */
            /**
             * Bind the shader.
             * This makes the shader the active one until another one is bound,
             * or until 0 is bound.
             * @private
             */
            bind() {
                if (this.gl && this.shaderProgram) {
                    this.gl.useProgram(this.shaderProgram);
                }
            }
            /**
             * Create the shader.
             * Loads the shader program statically defined above
             * @private
             */
            createShader() {
                const v = this.stringToProgram(vertexShader, 'vertex'), f = this.stringToProgram(fragmentShader, 'fragment'), uloc = (n) => (this.gl.getUniformLocation(this.shaderProgram, n));
                if (!v || !f) {
                    this.shaderProgram = false;
                    this.handleErrors();
                    return false;
                }
                this.shaderProgram = this.gl.createProgram();
                this.gl.attachShader(this.shaderProgram, v);
                this.gl.attachShader(this.shaderProgram, f);
                this.gl.linkProgram(this.shaderProgram);
                if (!this.gl.getProgramParameter(this.shaderProgram, this.gl.LINK_STATUS)) {
                    this.errors.push(this.gl.getProgramInfoLog(this.shaderProgram));
                    this.handleErrors();
                    this.shaderProgram = false;
                    return false;
                }
                this.gl.useProgram(this.shaderProgram);
                this.gl.bindAttribLocation(this.shaderProgram, 0, 'aVertexPosition');
                this.pUniform = uloc('uPMatrix');
                this.psUniform = uloc('pSize');
                this.fcUniform = uloc('fillColor');
                this.isBubbleUniform = uloc('isBubble');
                this.bubbleSizeAbsUniform = uloc('bubbleSizeAbs');
                this.bubbleSizeAreaUniform = uloc('bubbleSizeByArea');
                this.uSamplerUniform = uloc('uSampler');
                this.skipTranslationUniform = uloc('skipTranslation');
                this.isCircleUniform = uloc('isCircle');
                this.isInverted = uloc('isInverted');
                return true;
            }
            /**
             * Handle errors accumulated in errors stack
             * @private
             */
            handleErrors() {
                if (this.errors.length) {
                    error('[highcharts boost] shader error - ' +
                        this.errors.join('\n'));
                }
            }
            /**
             * String to shader program
             * @private
             * @param {string} str
             * Program source
             * @param {string} type
             * Program type: either `vertex` or `fragment`
             */
            stringToProgram(str, type) {
                const shader = this.gl.createShader(type === 'vertex' ? this.gl.VERTEX_SHADER : this.gl.FRAGMENT_SHADER);
                this.gl.shaderSource(shader, str);
                this.gl.compileShader(shader);
                if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) {
                    this.errors.push('when compiling ' +
                        type +
                        ' shader:\n' +
                        this.gl.getShaderInfoLog(shader));
                    return false;
                }
                return shader;
            }
            /**
             * Destroy the shader
             * @private
             */
            destroy() {
                if (this.gl && this.shaderProgram) {
                    this.gl.deleteProgram(this.shaderProgram);
                    this.shaderProgram = false;
                }
            }
            fillColorUniform() {
                return this.fcUniform;
            }
            /**
             * Get the shader program handle
             * @private
             * @return {WebGLProgram}
             * The handle for the program
             */
            getProgram() {
                return this.shaderProgram;
            }
            pointSizeUniform() {
                return this.psUniform;
            }
            perspectiveUniform() {
                return this.pUniform;
            }
            /**
             * Flush
             * @private
             */
            reset() {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1i(this.isBubbleUniform, 0);
                    this.gl.uniform1i(this.isCircleUniform, 0);
                }
            }
            /**
             * Set bubble uniforms
             * @private
             * @param {Highcharts.Series} series
             * Series to use
             */
            setBubbleUniforms(series, zCalcMin, zCalcMax, pixelRatio = 1) {
                const seriesOptions = series.options;
                let zMin = Number.MAX_VALUE, zMax = -Number.MAX_VALUE;
                if (this.gl && this.shaderProgram && series.is('bubble')) {
                    const pxSizes = series.getPxExtremes();
                    zMin = pick(seriesOptions.zMin, clamp(zCalcMin, seriesOptions.displayNegative === false ?
                        seriesOptions.zThreshold : -Number.MAX_VALUE, zMin));
                    zMax = pick(seriesOptions.zMax, Math.max(zMax, zCalcMax));
                    this.gl.uniform1i(this.isBubbleUniform, 1);
                    this.gl.uniform1i(this.isCircleUniform, 1);
                    this.gl.uniform1i(this.bubbleSizeAreaUniform, (series.options.sizeBy !== 'width'));
                    this.gl.uniform1i(this.bubbleSizeAbsUniform, series.options
                        .sizeByAbsoluteValue);
                    this.setUniform('bubbleMinSize', pxSizes.minPxSize * pixelRatio);
                    this.setUniform('bubbleMaxSize', pxSizes.maxPxSize * pixelRatio);
                    this.setUniform('bubbleZMin', zMin);
                    this.setUniform('bubbleZMax', zMax);
                    this.setUniform('bubbleZThreshold', series.options.zThreshold);
                }
            }
            /**
             * Set the Color uniform.
             * @private
             * @param {Array<number>} color
             * Array with RGBA values.
             */
            setColor(color) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform4f(this.fcUniform, color[0] / 255.0, color[1] / 255.0, color[2] / 255.0, color[3]);
                }
            }
            /**
             * Enable/disable circle drawing
             * @private
             */
            setDrawAsCircle(flag) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1i(this.isCircleUniform, flag ? 1 : 0);
                }
            }
            /**
             * Set if inversion state
             * @private
             * @param {number} flag
             * Inversion flag
             */
            setInverted(flag) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1i(this.isInverted, flag);
                }
            }
            /**
             * Set the perspective matrix
             * @private
             * @param {Float32List} m
             * Matrix 4 x 4
             */
            setPMatrix(m) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniformMatrix4fv(this.pUniform, false, m);
                }
            }
            /**
             * Set the point size.
             * @private
             * @param {number} p
             * Point size
             */
            setPointSize(p) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1f(this.psUniform, p);
                }
            }
            /**
             * Set skip translation
             * @private
             */
            setSkipTranslation(flag) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1i(this.skipTranslationUniform, flag === true ? 1 : 0);
                }
            }
            /**
             * Set the active texture
             * @private
             * @param {number} texture
             * Texture to activate
             */
            setTexture(texture) {
                if (this.gl && this.shaderProgram) {
                    this.gl.uniform1i(this.uSamplerUniform, texture);
                }
            }
            /**
             * Set a uniform value.
             * This uses a hash map to cache uniform locations.
             * @private
             * @param {string} name
             * Name of the uniform to set.
             * @param {number} val
             * Value to set
             */
            setUniform(name, val) {
                if (this.gl && this.shaderProgram) {
                    const u = this.uLocations[name] = (this.uLocations[name] ||
                        this.gl.getUniformLocation(this.shaderProgram, name));
                    this.gl.uniform1f(u, val);
                }
            }
        }
        /* *
         *
         *  Default Export
         *
         * */

        return WGLShader;
    });
    _registerModule(_modules, 'Extensions/Boost/WGLVertexBuffer.js', [], function () {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* *
         *
         *  Class
         *
         * */
        /**
         * Vertex Buffer abstraction.
         * A vertex buffer is a set of vertices which are passed to the GPU
         * in a single call.
         *
         * @private
         * @class
         * @name WGLVertexBuffer
         *
         * @param {WebGLContext} gl
         * Context in which to create the buffer.
         * @param {WGLShader} shader
         * Shader to use.
         */
        class WGLVertexBuffer {
            /* *
             *
             *  Constructor
             *
             * */
            constructor(gl, shader, dataComponents
            /* , type */
            ) {
                /* *
                 *
                 *  Properties
                 *
                 * */
                this.buffer = false;
                this.iterator = 0;
                this.preAllocated = false;
                this.vertAttribute = false;
                this.components = dataComponents || 2;
                this.dataComponents = dataComponents;
                this.gl = gl;
                this.shader = shader;
            }
            /* *
             *
             *  Functions
             *
             * */
            /**
             * Note about pre-allocated buffers:
             *     - This is slower for charts with many series
             * @private
             */
            allocate(size) {
                this.iterator = -1;
                this.preAllocated = new Float32Array(size * 4);
            }
            /**
             * Bind the buffer
             * @private
             */
            bind() {
                if (!this.buffer) {
                    return false;
                }
                // gl.bindAttribLocation(shader.program(), 0, 'aVertexPosition');
                // gl.enableVertexAttribArray(vertAttribute);
                // gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
                this.gl.vertexAttribPointer(this.vertAttribute, this.components, this.gl.FLOAT, false, 0, 0);
                // gl.enableVertexAttribArray(vertAttribute);
            }
            /**
             * Build the buffer
             * @private
             * @param {Array<number>} dataIn
             * Zero padded array of indices
             * @param {string} attrib
             * Name of the Attribute to bind the buffer to
             * @param {number} dataComponents
             * Mumber of components per. indice
             */
            build(dataIn, attrib, dataComponents) {
                let farray;
                this.data = dataIn || [];
                if ((!this.data || this.data.length === 0) && !this.preAllocated) {
                    // console.error('trying to render empty vbuffer');
                    this.destroy();
                    return false;
                }
                this.components = dataComponents || this.components;
                if (this.buffer) {
                    this.gl.deleteBuffer(this.buffer);
                }
                if (!this.preAllocated) {
                    farray = new Float32Array(this.data);
                }
                this.buffer = this.gl.createBuffer();
                this.gl.bindBuffer(this.gl.ARRAY_BUFFER, this.buffer);
                this.gl.bufferData(this.gl.ARRAY_BUFFER, this.preAllocated || farray, this.gl.STATIC_DRAW);
                // gl.bindAttribLocation(shader.program(), 0, 'aVertexPosition');
                this.vertAttribute = this.gl
                    .getAttribLocation(this.shader.getProgram(), attrib);
                this.gl.enableVertexAttribArray(this.vertAttribute);
                // Trigger cleanup
                farray = false;
                return true;
            }
            /**
             * @private
             */
            destroy() {
                if (this.buffer) {
                    this.gl.deleteBuffer(this.buffer);
                    this.buffer = false;
                    this.vertAttribute = false;
                }
                this.iterator = 0;
                this.components = this.dataComponents || 2;
                this.data = [];
            }
            /**
             * Adds data to the pre-allocated buffer.
             * @private
             * @param {number} x
             * X data
             * @param {number} y
             * Y data
             * @param {number} a
             * A data
             * @param {number} b
             * B data
             */
            push(x, y, a, b) {
                if (this.preAllocated) { // && iterator <= preAllocated.length - 4) {
                    this.preAllocated[++this.iterator] = x;
                    this.preAllocated[++this.iterator] = y;
                    this.preAllocated[++this.iterator] = a;
                    this.preAllocated[++this.iterator] = b;
                }
            }
            /**
             * Render the buffer
             *
             * @private
             * @param {number} from
             * Start indice.
             * @param {number} to
             * End indice.
             * @param {WGLDrawModeValue} drawMode
             * Draw mode.
             */
            render(from, to, drawMode) {
                const length = this.preAllocated ?
                    this.preAllocated.length : this.data.length;
                if (!this.buffer) {
                    return false;
                }
                if (!length) {
                    return false;
                }
                if (!from || from > length || from < 0) {
                    from = 0;
                }
                if (!to || to > length) {
                    to = length;
                }
                if (from >= to) {
                    return false;
                }
                drawMode = drawMode || 'POINTS';
                this.gl.drawArrays(this.gl[drawMode], from / this.components, (to - from) / this.components);
                return true;
            }
        }
        /* *
         *
         *  Default Export
         *
         * */

        return WGLVertexBuffer;
    });
    _registerModule(_modules, 'Extensions/Boost/WGLRenderer.js', [_modules['Core/Color/Color.js'], _modules['Core/Globals.js'], _modules['Core/Utilities.js'], _modules['Extensions/Boost/WGLDrawMode.js'], _modules['Extensions/Boost/WGLShader.js'], _modules['Extensions/Boost/WGLVertexBuffer.js']], function (Color, H, U, WGLDrawMode, WGLShader, WGLVertexBuffer) {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        const { parse: color } = Color;
        const { doc, win } = H;
        const { isNumber, isObject, merge, objectEach, pick } = U;
        /* *
         *
         *  Constants
         *
         * */
        // Things to draw as "rectangles" (i.e lines)
        const asBar = {
            'column': true,
            'columnrange': true,
            'bar': true,
            'area': true,
            'areaspline': true,
            'arearange': true
        };
        const asCircle = {
            'scatter': true,
            'bubble': true
        };
        const contexts = [
            'webgl',
            'experimental-webgl',
            'moz-webgl',
            'webkit-3d'
        ];
        /* *
         *
         *  Class
         *
         * */
        /* eslint-disable valid-jsdoc */
        /**
         * Main renderer. Used to render series.
         *
         * Notes to self:
         * - May be able to build a point map by rendering to a separate canvas and
         *   encoding values in the color data.
         * - Need to figure out a way to transform the data quicker
         *
         * @private
         *
         * @param {Function} postRenderCallback
         */
        class WGLRenderer {
            /* *
             *
             *  Static Functions
             *
             * */
            /**
             * Returns an orthographic perspective matrix
             * @private
             * @param {number} width
             * the width of the viewport in pixels
             * @param {number} height
             * the height of the viewport in pixels
             */
            static orthoMatrix(width, height) {
                const near = 0, far = 1;
                return [
                    2 / width, 0, 0, 0,
                    0, -(2 / height), 0, 0,
                    0, 0, -2 / (far - near), 0,
                    -1, 1, -(far + near) / (far - near), 1
                ];
            }
            /**
             * @private
             */
            static seriesPointCount(series) {
                let isStacked, xData, s;
                if (series.boosted) {
                    isStacked = !!series.options.stacking;
                    xData = (series.xData ||
                        series.options.xData ||
                        series.processedXData);
                    s = (isStacked ? series.data : (xData || series.options.data))
                        .length;
                    if (series.type === 'treemap') {
                        s *= 12;
                    }
                    else if (series.type === 'heatmap') {
                        s *= 6;
                    }
                    else if (asBar[series.type]) {
                        s *= 2;
                    }
                    return s;
                }
                return 0;
            }
            /* *
             *
             *  Constructor
             *
             * */
            constructor(postRenderCallback) {
                // The data to render - array of coordinates
                this.data = [];
                // Height of our viewport in pixels
                this.height = 0;
                // Is it inited?
                this.isInited = false;
                // The marker data
                this.markerData = [];
                // The series stack
                this.series = [];
                // Texture handles
                this.textureHandles = {};
                // Width of our viewport in pixels
                this.width = 0;
                this.postRenderCallback = postRenderCallback;
                this.settings = {
                    pointSize: 1,
                    lineWidth: 1,
                    fillColor: '#AA00AA',
                    useAlpha: true,
                    usePreallocated: false,
                    useGPUTranslations: false,
                    debug: {
                        timeRendering: false,
                        timeSeriesProcessing: false,
                        timeSetup: false,
                        timeBufferCopy: false,
                        timeKDTree: false,
                        showSkipSummary: false
                    }
                };
            }
            /* *
             *
             *  Functions
             *
             * */
            /**
             * @private
             */
            getPixelRatio() {
                return this.settings.pixelRatio || win.devicePixelRatio || 1;
            }
            /**
             * @private
             */
            setOptions(options) {
                // The pixelRatio defaults to 1. This is an antipattern, we should
                // refactor the Boost options to include an object of default options as
                // base for the merge, like other components.
                if (!('pixelRatio' in options)) {
                    options.pixelRatio = 1;
                }
                merge(true, this.settings, options);
            }
            /**
             * Allocate a float buffer to fit all series
             * @private
             */
            allocateBuffer(chart) {
                const vbuffer = this.vbuffer;
                let s = 0;
                if (!this.settings.usePreallocated) {
                    return;
                }
                chart.series.forEach((series) => {
                    if (series.boosted) {
                        s += WGLRenderer.seriesPointCount(series);
                    }
                });
                vbuffer && vbuffer.allocate(s);
            }
            /**
             * @private
             */
            allocateBufferForSingleSeries(series) {
                const vbuffer = this.vbuffer;
                let s = 0;
                if (!this.settings.usePreallocated) {
                    return;
                }
                if (series.boosted) {
                    s = WGLRenderer.seriesPointCount(series);
                }
                vbuffer && vbuffer.allocate(s);
            }
            /**
             * Clear the depth and color buffer
             * @private
             */
            clear() {
                const gl = this.gl;
                gl && gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
            }
            /**
             * Push data for a single series
             * This calculates additional vertices and transforms the data to be
             * aligned correctly in memory
             * @private
             */
            pushSeriesData(series, inst) {
                const data = this.data, settings = this.settings, vbuffer = this.vbuffer, isRange = (series.pointArrayMap &&
                    series.pointArrayMap.join(',') === 'low,high'), chart = series.chart, options = series.options, isStacked = !!options.stacking, rawData = options.data, xExtremes = series.xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = series.yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, xData = series.xData || options.xData || series.processedXData, yData = series.yData || options.yData || series.processedYData, zData = (series.zData || options.zData ||
                    series.processedZData), yAxis = series.yAxis, xAxis = series.xAxis, useRaw = !xData || xData.length === 0, 
                // threshold = options.threshold,
                // yBottom = chart.yAxis[0].getThreshold(threshold),
                // hasThreshold = isNumber(threshold),
                // colorByPoint = series.options.colorByPoint,
                // This is required for color by point, so make sure this is
                // uncommented if enabling that
                // colorIndex = 0,
                // Required for color axis support
                // caxis,
                connectNulls = options.connectNulls, 
                // For some reason eslint/TypeScript don't pick up that this is
                // actually used: --- bre1470: it is never read, just set
                // maxVal: (number|undefined), // eslint-disable-line no-unused-vars
                points = series.points || false, sdata = isStacked ? series.data : (xData || rawData), closestLeft = { x: Number.MAX_VALUE, y: 0 }, closestRight = { x: -Number.MAX_VALUE, y: 0 }, cullXThreshold = 1, cullYThreshold = 1, chartDestroyed = typeof chart.index === 'undefined', drawAsBar = asBar[series.type], zoneAxis = options.zoneAxis || 'y', zones = options.zones || false, threshold = options.threshold, pixelRatio = this.getPixelRatio();
                let // plotHeight = series.chart.plotHeight,
                plotWidth = series.chart.plotWidth, lastX = false, lastY = false, minVal, scolor, 
                //
                skipped = 0, hadPoints = false, 
                // The following are used in the builder while loop
                x, y, d, z, i = -1, px = false, nx = false, low, nextInside = false, prevInside = false, pcolor = false, isXInside = false, isYInside = true, firstPoint = true, zoneColors, zoneDefColor = false, gapSize = false, vlen = 0;
                if (options.boostData && options.boostData.length > 0) {
                    return;
                }
                if (options.gapSize) {
                    gapSize = options.gapUnit !== 'value' ?
                        options.gapSize * series.closestPointRange :
                        options.gapSize;
                }
                if (zones) {
                    zoneColors = [];
                    zones.forEach((zone, i) => {
                        if (zone.color) {
                            const zoneColor = color(zone.color).rgba;
                            zoneColor[0] /= 255.0;
                            zoneColor[1] /= 255.0;
                            zoneColor[2] /= 255.0;
                            zoneColors[i] = zoneColor;
                            if (!zoneDefColor && typeof zone.value === 'undefined') {
                                zoneDefColor = zoneColor;
                            }
                        }
                    });
                    if (!zoneDefColor) {
                        const seriesColor = ((series.pointAttribs && series.pointAttribs().fill) ||
                            series.color);
                        zoneDefColor = color(seriesColor).rgba;
                        zoneDefColor[0] /= 255.0;
                        zoneDefColor[1] /= 255.0;
                        zoneDefColor[2] /= 255.0;
                    }
                }
                if (chart.inverted) {
                    // plotHeight = series.chart.plotWidth;
                    plotWidth = series.chart.plotHeight;
                }
                series.closestPointRangePx = Number.MAX_VALUE;
                /**
                 * Push color to color buffer - need to do this per vertex.
                 * @private
                 */
                const pushColor = (color) => {
                    if (color) {
                        inst.colorData.push(color[0]);
                        inst.colorData.push(color[1]);
                        inst.colorData.push(color[2]);
                        inst.colorData.push(color[3]);
                    }
                };
                /**
                 * Push a vertice to the data buffer.
                 * @private
                 */
                const vertice = (x, y, checkTreshold, pointSize = 1, color) => {
                    pushColor(color);
                    // Correct for pixel ratio
                    if (pixelRatio !== 1 && (!settings.useGPUTranslations ||
                        inst.skipTranslation)) {
                        x *= pixelRatio;
                        y *= pixelRatio;
                        pointSize *= pixelRatio;
                    }
                    if (settings.usePreallocated && vbuffer) {
                        vbuffer.push(x, y, checkTreshold ? 1 : 0, pointSize);
                        vlen += 4;
                    }
                    else {
                        data.push(x);
                        data.push(y);
                        data.push(checkTreshold ? pixelRatio : 0);
                        data.push(pointSize);
                    }
                };
                /**
                 * @private
                 */
                const closeSegment = () => {
                    if (inst.segments.length) {
                        inst.segments[inst.segments.length - 1].to = data.length || vlen;
                    }
                };
                /**
                 * Create a new segment for the current set.
                 * @private
                 */
                const beginSegment = () => {
                    // Insert a segment on the series.
                    // A segment is just a start indice.
                    // When adding a segment, if one exists from before, it should
                    // set the previous segment's end
                    if (inst.segments.length &&
                        inst.segments[inst.segments.length - 1].from === (data.length || vlen)) {
                        return;
                    }
                    closeSegment();
                    inst.segments.push({
                        from: data.length || vlen
                    });
                };
                /**
                 * Push a rectangle to the data buffer.
                 * @private
                 */
                const pushRect = (x, y, w, h, color) => {
                    pushColor(color);
                    vertice(x + w, y);
                    pushColor(color);
                    vertice(x, y);
                    pushColor(color);
                    vertice(x, y + h);
                    pushColor(color);
                    vertice(x, y + h);
                    pushColor(color);
                    vertice(x + w, y + h);
                    pushColor(color);
                    vertice(x + w, y);
                };
                // Create the first segment
                beginSegment();
                // Special case for point shapes
                if (points && points.length > 0) {
                    // If we're doing points, we assume that the points are already
                    // translated, so we skip the shader translation.
                    inst.skipTranslation = true;
                    // Force triangle draw mode
                    inst.drawMode = 'TRIANGLES';
                    // We don't have a z component in the shader, so we need to sort.
                    if (points[0].node && points[0].node.levelDynamic) {
                        points.sort((a, b) => {
                            if (a.node) {
                                if (a.node.levelDynamic >
                                    b.node.levelDynamic) {
                                    return 1;
                                }
                                if (a.node.levelDynamic <
                                    b.node.levelDynamic) {
                                    return -1;
                                }
                            }
                            return 0;
                        });
                    }
                    points.forEach((point) => {
                        const plotY = point.plotY;
                        let swidth, pointAttr;
                        if (typeof plotY !== 'undefined' &&
                            !isNaN(plotY) &&
                            point.y !== null &&
                            point.shapeArgs) {
                            let { x = 0, y = 0, width = 0, height = 0 } = point.shapeArgs;
                            pointAttr = chart.styledMode ?
                                point.series
                                    .colorAttribs(point) :
                                pointAttr = point.series.pointAttribs(point);
                            swidth = pointAttr['stroke-width'] || 0;
                            // Handle point colors
                            pcolor = color(pointAttr.fill).rgba;
                            pcolor[0] /= 255.0;
                            pcolor[1] /= 255.0;
                            pcolor[2] /= 255.0;
                            // So there are two ways of doing this. Either we can
                            // create a rectangle of two triangles, or we can do a
                            // point and use point size. Latter is faster, but
                            // only supports squares. So we're doing triangles.
                            // We could also use one color per. vertice to get
                            // better color interpolation.
                            // If there's stroking, we do an additional rect
                            if (series.is('treemap')) {
                                swidth = swidth || 1;
                                scolor = color(pointAttr.stroke).rgba;
                                scolor[0] /= 255.0;
                                scolor[1] /= 255.0;
                                scolor[2] /= 255.0;
                                pushRect(x, y, width, height, scolor);
                                swidth /= 2;
                            }
                            // } else {
                            //     swidth = 0;
                            // }
                            // Fixes issues with inverted heatmaps (see #6981). The root
                            // cause is that the coordinate system is flipped. In other
                            // words, instead of [0,0] being top-left, it's
                            // bottom-right. This causes a vertical and horizontal flip
                            // in the resulting image, making it rotated 180 degrees.
                            if (series.is('heatmap') && chart.inverted) {
                                x = xAxis.len - x;
                                y = yAxis.len - y;
                                width = -width;
                                height = -height;
                            }
                            pushRect(x + swidth, y + swidth, width - (swidth * 2), height - (swidth * 2), pcolor);
                        }
                    });
                    closeSegment();
                    return;
                }
                // Extract color axis
                // (chart.axes || []).forEach((a): void => {
                //     if (H.ColorAxis && a instanceof H.ColorAxis) {
                //         caxis = a;
                //     }
                // });
                while (i < sdata.length - 1) {
                    d = sdata[++i];
                    if (typeof d === 'undefined') {
                        continue;
                    }
                    // px = x = y = z = nx = low = false;
                    // chartDestroyed = typeof chart.index === 'undefined';
                    // nextInside = prevInside = pcolor = isXInside = isYInside = false;
                    // drawAsBar = asBar[series.type];
                    if (chartDestroyed) {
                        break;
                    }
                    // Uncomment this to enable color by point.
                    // This currently left disabled as the charts look really ugly
                    // when enabled and there's a lot of points.
                    // Leaving in for the future (tm).
                    // if (colorByPoint) {
                    //     colorIndex = ++colorIndex %
                    //         series.chart.options.colors.length;
                    //     pcolor = toRGBAFast(series.chart.options.colors[colorIndex]);
                    //     pcolor[0] /= 255.0;
                    //     pcolor[1] /= 255.0;
                    //     pcolor[2] /= 255.0;
                    // }
                    // Handle the point.color option (#5999)
                    const pointOptions = rawData && rawData[i];
                    if (!useRaw && isObject(pointOptions, true)) {
                        if (pointOptions.color) {
                            pcolor = color(pointOptions.color).rgba;
                            pcolor[0] /= 255.0;
                            pcolor[1] /= 255.0;
                            pcolor[2] /= 255.0;
                        }
                    }
                    if (useRaw) {
                        x = d[0];
                        y = d[1];
                        if (sdata[i + 1]) {
                            nx = sdata[i + 1][0];
                        }
                        if (sdata[i - 1]) {
                            px = sdata[i - 1][0];
                        }
                        if (d.length >= 3) {
                            z = d[2];
                            if (d[2] > inst.zMax) {
                                inst.zMax = d[2];
                            }
                            if (d[2] < inst.zMin) {
                                inst.zMin = d[2];
                            }
                        }
                    }
                    else {
                        x = d;
                        y = yData[i];
                        if (sdata[i + 1]) {
                            nx = sdata[i + 1];
                        }
                        if (sdata[i - 1]) {
                            px = sdata[i - 1];
                        }
                        if (zData && zData.length) {
                            z = zData[i];
                            if (zData[i] > inst.zMax) {
                                inst.zMax = zData[i];
                            }
                            if (zData[i] < inst.zMin) {
                                inst.zMin = zData[i];
                            }
                        }
                    }
                    if (!connectNulls && (x === null || y === null)) {
                        beginSegment();
                        continue;
                    }
                    if (nx && nx >= xMin && nx <= xMax) {
                        nextInside = true;
                    }
                    if (px && px >= xMin && px <= xMax) {
                        prevInside = true;
                    }
                    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;
                    }
                    if (yMin !== null &&
                        typeof yMin !== 'undefined' &&
                        yMax !== null &&
                        typeof yMax !== 'undefined') {
                        isYInside = y >= yMin && y <= yMax;
                    }
                    if (x > xMax && closestRight.x < xMax) {
                        closestRight.x = x;
                        closestRight.y = y;
                    }
                    if (x < xMin && closestLeft.x > xMin) {
                        closestLeft.x = x;
                        closestLeft.y = y;
                    }
                    if (y === null && connectNulls) {
                        continue;
                    }
                    // Cull points outside the extremes
                    if (y === null || (!isYInside && !nextInside && !prevInside)) {
                        beginSegment();
                        continue;
                    }
                    // The first point before and first after extremes should be
                    // rendered (#9962)
                    if ((nx >= xMin || x >= xMin) &&
                        (px <= xMax || x <= xMax)) {
                        isXInside = true;
                    }
                    if (!isXInside && !nextInside && !prevInside) {
                        continue;
                    }
                    if (gapSize && x - px > gapSize) {
                        beginSegment();
                    }
                    // Note: Boost requires that zones are sorted!
                    if (zones) {
                        let zoneColor;
                        zones.some((// eslint-disable-line no-loop-func
                        zone, i) => {
                            const last = zones[i - 1];
                            if (zoneAxis === 'x') {
                                if (typeof zone.value !== 'undefined' &&
                                    x <= zone.value) {
                                    if (zoneColors[i] &&
                                        (!last || x >= last.value)) {
                                        zoneColor = zoneColors[i];
                                    }
                                    return true;
                                }
                                return false;
                            }
                            if (typeof zone.value !== 'undefined' && y <= zone.value) {
                                if (zoneColors[i] &&
                                    (!last || y >= last.value)) {
                                    zoneColor = zoneColors[i];
                                }
                                return true;
                            }
                            return false;
                        });
                        pcolor = zoneColor || zoneDefColor || pcolor;
                    }
                    // Skip translations - temporary floating point fix
                    if (!settings.useGPUTranslations) {
                        inst.skipTranslation = true;
                        x = xAxis.toPixels(x, true);
                        y = yAxis.toPixels(y, true);
                        // Make sure we're not drawing outside of the chart area.
                        // See #6594. Update: this is no longer required as far as I
                        // can tell. Leaving in for git blame in case there are edge
                        // cases I've not found. Having this in breaks #10246.
                        // if (y > plotHeight) {
                        // y = plotHeight;
                        // }
                        if (x > plotWidth) {
                            // If this is  rendered as a point, just skip drawing it
                            // entirely, as we're not dependandt on lineTo'ing to it.
                            // See #8197
                            if (inst.drawMode === 'POINTS') {
                                continue;
                            }
                            // Having this here will clamp markers and make the angle
                            // of the last line wrong. See 9166.
                            // x = plotWidth;
                        }
                    }
                    // No markers on out of bounds things.
                    // Out of bound things are shown if and only if the next
                    // or previous point is inside the rect.
                    if (inst.hasMarkers && isXInside) {
                        // x = Highcharts.correctFloat(
                        //     Math.min(Math.max(-1e5, xAxis.translate(
                        //         x,
                        //         0,
                        //         0,
                        //         0,
                        //         1,
                        //         0.5,
                        //         false
                        //     )), 1e5)
                        // );
                        if (lastX !== false) {
                            series.closestPointRangePx = Math.min(series.closestPointRangePx, Math.abs(x - lastX));
                        }
                    }
                    // If the last _drawn_ point is closer to this point than the
                    // threshold, skip it. Shaves off 20-100ms in processing.
                    if (!settings.useGPUTranslations &&
                        !settings.usePreallocated &&
                        (lastX && Math.abs(x - lastX) < cullXThreshold) &&
                        (lastY && Math.abs(y - lastY) < cullYThreshold)) {
                        if (settings.debug.showSkipSummary) {
                            ++skipped;
                        }
                        continue;
                    }
                    if (drawAsBar) {
                        // maxVal = y;
                        minVal = low;
                        if (low === false || typeof low === 'undefined') {
                            if (y < 0) {
                                minVal = y;
                            }
                            else {
                                minVal = 0;
                            }
                        }
                        if (!isRange && !isStacked) {
                            minVal = Math.max(threshold === null ? yMin : threshold, // #5268
                            yMin); // #8731
                        }
                        if (!settings.useGPUTranslations) {
                            minVal = yAxis.toPixels(minVal, true);
                        }
                        // Need to add an extra point here
                        vertice(x, minVal, 0, 0, pcolor);
                    }
                    // Do step line if enabled.
                    // Draws an additional point at the old Y at the new X.
                    // See #6976.
                    if (options.step && !firstPoint) {
                        vertice(x, lastY, 0, 2, pcolor);
                    }
                    vertice(x, y, 0, series.type === 'bubble' ? (z || 1) : 2, pcolor);
                    // Uncomment this to support color axis.
                    // if (caxis) {
                    //     pcolor = color(caxis.toColor(y)).rgba;
                    //     inst.colorData.push(color[0] / 255.0);
                    //     inst.colorData.push(color[1] / 255.0);
                    //     inst.colorData.push(color[2] / 255.0);
                    //     inst.colorData.push(color[3]);
                    // }
                    lastX = x;
                    lastY = y;
                    hadPoints = true;
                    firstPoint = false;
                }
                if (settings.debug.showSkipSummary) {
                    console.log('skipped points:', skipped); // eslint-disable-line no-console
                }
                const pushSupplementPoint = (point, atStart) => {
                    if (!settings.useGPUTranslations) {
                        inst.skipTranslation = true;
                        point.x = xAxis.toPixels(point.x, true);
                        point.y = yAxis.toPixels(point.y, true);
                    }
                    // We should only do this for lines, and we should ignore markers
                    // since there's no point here that would have a marker.
                    if (atStart) {
                        this.data = [point.x, point.y, 0, 2].concat(this.data);
                        return;
                    }
                    vertice(point.x, point.y, 0, 2);
                };
                if (!hadPoints &&
                    connectNulls !== false &&
                    series.drawMode === 'line_strip') {
                    if (closestLeft.x < Number.MAX_VALUE) {
                        // We actually need to push this *before* the complete buffer.
                        pushSupplementPoint(closestLeft, true);
                    }
                    if (closestRight.x > -Number.MAX_VALUE) {
                        pushSupplementPoint(closestRight);
                    }
                }
                closeSegment();
            }
            /**
             * Push a series to the renderer
             * If we render the series immediatly, we don't have to loop later
             * @private
             * @param {Highchart.Series} s
             * The series to push.
             */
            pushSeries(s) {
                const markerData = this.markerData, series = this.series, settings = this.settings;
                if (series.length > 0) {
                    // series[series.length - 1].to = data.length;
                    if (series[series.length - 1].hasMarkers) {
                        series[series.length - 1].markerTo = markerData.length;
                    }
                }
                if (settings.debug.timeSeriesProcessing) {
                    console.time('building ' + s.type + ' series'); // eslint-disable-line no-console
                }
                const obj = {
                    segments: [],
                    // from: data.length,
                    markerFrom: markerData.length,
                    // Push RGBA values to this array to use per. point coloring.
                    // It should be 0-padded, so each component should be pushed in
                    // succession.
                    colorData: [],
                    series: s,
                    zMin: Number.MAX_VALUE,
                    zMax: -Number.MAX_VALUE,
                    hasMarkers: s.options.marker ?
                        s.options.marker.enabled !== false :
                        false,
                    showMarkers: true,
                    drawMode: WGLDrawMode[s.type] || 'LINE_STRIP'
                };
                if (s.index >= series.length) {
                    series.push(obj);
                }
                else {
                    series[s.index] = obj;
                }
                // Add the series data to our buffer(s)
                this.pushSeriesData(s, obj);
                if (settings.debug.timeSeriesProcessing) {
                    console.timeEnd('building ' + s.type + ' series'); // eslint-disable-line no-console
                }
            }
            /**
             * Flush the renderer.
             * This removes pushed series and vertices.
             * Should be called after clearing and before rendering
             * @private
             */
            flush() {
                const vbuffer = this.vbuffer;
                this.data = [];
                this.markerData = [];
                this.series = [];
                if (vbuffer) {
                    vbuffer.destroy();
                }
            }
            /**
             * Pass x-axis to shader
             * @private
             * @param {Highcharts.Axis} axis
             * The x-axis.
             */
            setXAxis(axis) {
                const shader = this.shader;
                if (!shader) {
                    return;
                }
                const pixelRatio = this.getPixelRatio();
                shader.setUniform('xAxisTrans', axis.transA * pixelRatio);
                shader.setUniform('xAxisMin', axis.min);
                shader.setUniform('xAxisMinPad', axis.minPixelPadding * pixelRatio);
                shader.setUniform('xAxisPointRange', axis.pointRange);
                shader.setUniform('xAxisLen', axis.len * pixelRatio);
                shader.setUniform('xAxisPos', axis.pos * pixelRatio);
                shader.setUniform('xAxisCVSCoord', (!axis.horiz));
                shader.setUniform('xAxisIsLog', (!!axis.logarithmic));
                shader.setUniform('xAxisReversed', (!!axis.reversed));
            }
            /**
             * Pass y-axis to shader
             * @private
             * @param {Highcharts.Axis} axis
             * The y-axis.
             */
            setYAxis(axis) {
                const shader = this.shader;
                if (!shader) {
                    return;
                }
                const pixelRatio = this.getPixelRatio();
                shader.setUniform('yAxisTrans', axis.transA * pixelRatio);
                shader.setUniform('yAxisMin', axis.min);
                shader.setUniform('yAxisMinPad', axis.minPixelPadding * pixelRatio);
                shader.setUniform('yAxisPointRange', axis.pointRange);
                shader.setUniform('yAxisLen', axis.len * pixelRatio);
                shader.setUniform('yAxisPos', axis.pos * pixelRatio);
                shader.setUniform('yAxisCVSCoord', (!axis.horiz));
                shader.setUniform('yAxisIsLog', (!!axis.logarithmic));
                shader.setUniform('yAxisReversed', (!!axis.reversed));
            }
            /**
             * Set the translation threshold
             * @private
             * @param {boolean} has
             * Has threshold flag.
             * @param {numbe} translation
             * The threshold.
             */
            setThreshold(has, translation) {
                const shader = this.shader;
                if (!shader) {
                    return;
                }
                shader.setUniform('hasThreshold', has);
                shader.setUniform('translatedThreshold', translation);
            }
            /**
             * Render the data
             * This renders all pushed series.
             * @private
             */
            renderChart(chart) {
                const gl = this.gl, settings = this.settings, shader = this.shader, vbuffer = this.vbuffer;
                const pixelRatio = this.getPixelRatio();
                if (chart) {
                    this.width = chart.chartWidth * pixelRatio;
                    this.height = chart.chartHeight * pixelRatio;
                }
                else {
                    return false;
                }
                const height = this.height, width = this.width;
                if (!gl || !shader || !width || !height) {
                    return false;
                }
                if (settings.debug.timeRendering) {
                    console.time('gl rendering'); // eslint-disable-line no-console
                }
                gl.canvas.width = width;
                gl.canvas.height = height;
                shader.bind();
                gl.viewport(0, 0, width, height);
                shader.setPMatrix(WGLRenderer.orthoMatrix(width, height));
                if (settings.lineWidth > 1 && !H.isMS) {
                    gl.lineWidth(settings.lineWidth);
                }
                if (vbuffer) {
                    vbuffer.build(this.data, 'aVertexPosition', 4);
                    vbuffer.bind();
                }
                shader.setInverted(chart.inverted);
                // Render the series
                this.series.forEach((s, si) => {
                    const options = s.series.options, shapeOptions = options.marker, lineWidth = (typeof options.lineWidth !== 'undefined' ?
                        options.lineWidth :
                        1), threshold = options.threshold, hasThreshold = isNumber(threshold), yBottom = s.series.yAxis.getThreshold(threshold), translatedThreshold = yBottom, showMarkers = pick(options.marker ? options.marker.enabled : null, s.series.xAxis.isRadial ? true : null, s.series.closestPointRangePx >
                        2 * ((options.marker ?
                            options.marker.radius :
                            10) || 10)), shapeTexture = this.textureHandles[(shapeOptions && shapeOptions.symbol) ||
                        s.series.symbol] || this.textureHandles.circle;
                    let sindex, cbuffer, fillColor, scolor = [];
                    if (s.segments.length === 0 ||
                        s.segments[0].from === s.segments[0].to) {
                        return;
                    }
                    if (shapeTexture.isReady) {
                        gl.bindTexture(gl.TEXTURE_2D, shapeTexture.handle);
                        shader.setTexture(shapeTexture.handle);
                    }
                    if (chart.styledMode) {
                        fillColor = (s.series.markerGroup &&
                            s.series.markerGroup.getStyle('fill'));
                    }
                    else {
                        fillColor =
                            (s.drawMode === 'POINTS' && // #14260
                                s.series.pointAttribs &&
                                s.series.pointAttribs().fill) ||
                                s.series.color;
                        if (options.colorByPoint) {
                            fillColor = s.series.chart.options.colors[si];
                        }
                    }
                    if (s.series.fillOpacity && options.fillOpacity) {
                        fillColor = new Color(fillColor).setOpacity(pick(options.fillOpacity, 1.0)).get();
                    }
                    scolor = color(fillColor).rgba;
                    if (!settings.useAlpha) {
                        scolor[3] = 1.0;
                    }
                    // This is very much temporary
                    if (s.drawMode === 'LINES' &&
                        settings.useAlpha &&
                        scolor[3] < 1) {
                        scolor[3] /= 10;
                    }
                    // Blending
                    if (options.boostBlending === 'add') {
                        gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
                        gl.blendEquation(gl.FUNC_ADD);
                    }
                    else if (options.boostBlending === 'mult' ||
                        options.boostBlending === 'multiply') {
                        gl.blendFunc(gl.DST_COLOR, gl.ZERO);
                    }
                    else if (options.boostBlending === 'darken') {
                        gl.blendFunc(gl.ONE, gl.ONE);
                        gl.blendEquation(gl.FUNC_MIN);
                    }
                    else {
                        // gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
                        // gl.blendEquation(gl.FUNC_ADD);
                        gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
                    }
                    shader.reset();
                    // If there are entries in the colorData buffer, build and bind it.
                    if (s.colorData.length > 0) {
                        shader.setUniform('hasColor', 1.0);
                        cbuffer = new WGLVertexBuffer(gl, shader);
                        cbuffer.build(s.colorData, 'aColor', 4);
                        cbuffer.bind();
                    }
                    else {
                        // #15869, a buffer with fewer points might already be bound by
                        // a different series/chart causing out of range errors
                        gl.disableVertexAttribArray(gl.getAttribLocation(shader.getProgram(), 'aColor'));
                    }
                    // Set series specific uniforms
                    shader.setColor(scolor);
                    this.setXAxis(s.series.xAxis);
                    this.setYAxis(s.series.yAxis);
                    this.setThreshold(hasThreshold, translatedThreshold);
                    if (s.drawMode === 'POINTS') {
                        shader.setPointSize(pick(options.marker && options.marker.radius, 0.5) * 2 * pixelRatio);
                    }
                    // If set to true, the toPixels translations in the shader
                    // is skipped, i.e it's assumed that the value is a pixel coord.
                    shader.setSkipTranslation(s.skipTranslation);
                    if (s.series.type === 'bubble') {
                        shader.setBubbleUniforms(s.series, s.zMin, s.zMax, pixelRatio);
                    }
                    shader.setDrawAsCircle(asCircle[s.series.type] || false);
                    if (!vbuffer) {
                        return;
                    }
                    // Do the actual rendering
                    // If the line width is < 0, skip rendering of the lines. See #7833.
                    if (lineWidth > 0 || s.drawMode !== 'LINE_STRIP') {
                        for (sindex = 0; sindex < s.segments.length; sindex++) {
                            vbuffer.render(s.segments[sindex].from, s.segments[sindex].to, s.drawMode);
                        }
                    }
                    if (s.hasMarkers && showMarkers) {
                        shader.setPointSize(pick(options.marker && options.marker.radius, 5) * 2 * pixelRatio);
                        shader.setDrawAsCircle(true);
                        for (sindex = 0; sindex < s.segments.length; sindex++) {
                            vbuffer.render(s.segments[sindex].from, s.segments[sindex].to, 'POINTS');
                        }
                    }
                });
                if (settings.debug.timeRendering) {
                    console.timeEnd('gl rendering'); // eslint-disable-line no-console
                }
                if (this.postRenderCallback) {
                    this.postRenderCallback(this);
                }
                this.flush();
            }
            /**
             * Render the data when ready
             * @private
             */
            render(chart) {
                this.clear();
                if (chart.renderer.forExport) {
                    return this.renderChart(chart);
                }
                if (this.isInited) {
                    this.renderChart(chart);
                }
                else {
                    setTimeout(() => {
                        this.render(chart);
                    }, 1);
                }
            }
            /**
             * Set the viewport size in pixels
             * Creates an orthographic perspective matrix and applies it.
             * @private
             */
            setSize(width, height) {
                const shader = this.shader;
                // Skip if there's no change, or if we have no valid shader
                if (!shader || (this.width === width && this.height === height)) {
                    return;
                }
                this.width = width;
                this.height = height;
                shader.bind();
                shader.setPMatrix(WGLRenderer.orthoMatrix(width, height));
            }
            /**
             * Init OpenGL
             * @private
             */
            init(canvas, noFlush) {
                const settings = this.settings;
                this.isInited = false;
                if (!canvas) {
                    return false;
                }
                if (settings.debug.timeSetup) {
                    console.time('gl setup'); // eslint-disable-line no-console
                }
                for (let i = 0; i < contexts.length; ++i) {
                    this.gl = canvas.getContext(contexts[i], {
                    //    premultipliedAlpha: false
                    });
                    if (this.gl) {
                        break;
                    }
                }
                const gl = this.gl;
                if (gl) {
                    if (!noFlush) {
                        this.flush();
                    }
                }
                else {
                    return false;
                }
                gl.enable(gl.BLEND);
                // gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
                gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
                gl.disable(gl.DEPTH_TEST);
                // gl.depthMask(gl.FALSE);
                gl.depthFunc(gl.LESS);
                const shader = this.shader = new WGLShader(gl);
                if (!shader) {
                    // We need to abort, there's no shader context
                    return false;
                }
                this.vbuffer = new WGLVertexBuffer(gl, shader);
                const createTexture = (name, fn) => {
                    const props = {
                        isReady: false,
                        texture: doc.createElement('canvas'),
                        handle: gl.createTexture()
                    }, ctx = props.texture.getContext('2d');
                    this.textureHandles[name] = props;
                    props.texture.width = 512;
                    props.texture.height = 512;
                    ctx.mozImageSmoothingEnabled = false;
                    ctx.webkitImageSmoothingEnabled = false;
                    ctx.msImageSmoothingEnabled = false;
                    ctx.imageSmoothingEnabled = false;
                    ctx.strokeStyle = 'rgba(255, 255, 255, 0)';
                    ctx.fillStyle = '#FFF';
                    fn(ctx);
                    try {
                        gl.activeTexture(gl.TEXTURE0);
                        gl.bindTexture(gl.TEXTURE_2D, props.handle);
                        // gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, true);
                        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, props.texture);
                        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
                        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
                        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
                        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
                        // gl.generateMipmap(gl.TEXTURE_2D);
                        gl.bindTexture(gl.TEXTURE_2D, null);
                        props.isReady = true;
                    }
                    catch (e) {
                        // silent error
                    }
                };
                // Circle shape
                createTexture('circle', (ctx) => {
                    ctx.beginPath();
                    ctx.arc(256, 256, 256, 0, 2 * Math.PI);
                    ctx.stroke();
                    ctx.fill();
                });
                // Square shape
                createTexture('square', (ctx) => {
                    ctx.fillRect(0, 0, 512, 512);
                });
                // Diamond shape
                createTexture('diamond', (ctx) => {
                    ctx.beginPath();
                    ctx.moveTo(256, 0);
                    ctx.lineTo(512, 256);
                    ctx.lineTo(256, 512);
                    ctx.lineTo(0, 256);
                    ctx.lineTo(256, 0);
                    ctx.fill();
                });
                // Triangle shape
                createTexture('triangle', (ctx) => {
                    ctx.beginPath();
                    ctx.moveTo(0, 512);
                    ctx.lineTo(256, 0);
                    ctx.lineTo(512, 512);
                    ctx.lineTo(0, 512);
                    ctx.fill();
                });
                // Triangle shape (rotated)
                createTexture('triangle-down', (ctx) => {
                    ctx.beginPath();
                    ctx.moveTo(0, 0);
                    ctx.lineTo(256, 512);
                    ctx.lineTo(512, 0);
                    ctx.lineTo(0, 0);
                    ctx.fill();
                });
                this.isInited = true;
                if (settings.debug.timeSetup) {
                    console.timeEnd('gl setup'); // eslint-disable-line no-console
                }
                return true;
            }
            /**
             * @private
             * @todo use it
             */
            destroy() {
                const gl = this.gl, shader = this.shader, vbuffer = this.vbuffer;
                this.flush();
                if (vbuffer) {
                    vbuffer.destroy();
                }
                if (shader) {
                    shader.destroy();
                }
                if (gl) {
                    objectEach(this.textureHandles, (texture) => {
                        if (texture.handle) {
                            gl.deleteTexture(texture.handle);
                        }
                    });
                    gl.canvas.width = 1;
                    gl.canvas.height = 1;
                }
            }
        }
        /* *
         *
         *  Default Export
         *
         * */

        return WGLRenderer;
    });
    _registerModule(_modules, 'Extensions/Boost/BoostSeries.js', [_modules['Extensions/Boost/BoostableMap.js'], _modules['Extensions/Boost/Boostables.js'], _modules['Extensions/Boost/BoostChart.js'], _modules['Core/Defaults.js'], _modules['Core/Globals.js'], _modules['Core/Utilities.js'], _modules['Extensions/Boost/WGLRenderer.js']], function (BoostableMap, Boostables, BoostChart, D, H, U, WGLRenderer) {
        /* *
         *
         *  Copyright (c) 2019-2021 Highsoft AS
         *
         *  Boost module: stripped-down renderer for higher performance
         *
         *  License: highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        const { getBoostClipRect, isChartSeriesBoosting } = BoostChart;
        const { getOptions } = D;
        const { doc, noop, win } = H;
        const { addEvent, error, extend, fireEvent, isArray, isNumber, pick, wrap } = U;
        /* *
         *
         *  Constants
         *
         * */
        const CHUNK_SIZE = 3000;
        const composedMembers = [];
        /* *
         *
         *  Variables
         *
         * */
        let index, mainCanvas;
        /* *
         *
         *  Functions
         *
         * */
        /**
         * @private
         */
        function allocateIfNotSeriesBoosting(renderer, series) {
            const boost = series.boost;
            if (renderer &&
                boost &&
                boost.target &&
                boost.canvas &&
                !isChartSeriesBoosting(series.chart)) {
                renderer.allocateBufferForSingleSeries(series);
            }
        }
        /**
         * Return true if ths boost.enabled option is true
         *
         * @private
         * @param {Highcharts.Chart} chart
         * The chart
         * @return {boolean}
         * True, if boost is enabled.
         */
        function boostEnabled(chart) {
            return pick((chart &&
                chart.options &&
                chart.options.boost &&
                chart.options.boost.enabled), true);
        }
        /**
         * @private
         */
        function compose(SeriesClass, seriesTypes, wglMode) {
            if (U.pushUnique(composedMembers, SeriesClass)) {
                addEvent(SeriesClass, 'destroy', onSeriesDestroy);
                addEvent(SeriesClass, 'hide', onSeriesHide);
                const seriesProto = SeriesClass.prototype;
                if (wglMode) {
                    seriesProto.renderCanvas = seriesRenderCanvas;
                }
                wrap(seriesProto, 'getExtremes', wrapSeriesGetExtremes);
                wrap(seriesProto, 'processData', wrapSeriesProcessData);
                wrap(seriesProto, 'searchPoint', wrapSeriesSearchPoint);
                [
                    'translate',
                    'generatePoints',
                    'drawTracker',
                    'drawPoints',
                    'render'
                ].forEach((method) => wrapSeriesFunctions(seriesProto, seriesTypes, method));
            }
            if (U.pushUnique(composedMembers, getOptions)) {
                const plotOptions = getOptions().plotOptions;
                // Set default options
                Boostables.forEach((type) => {
                    const typePlotOptions = plotOptions[type];
                    if (typePlotOptions) {
                        typePlotOptions.boostThreshold = 5000;
                        typePlotOptions.boostData = [];
                        seriesTypes[type].prototype.fillOpacity = true;
                    }
                });
            }
            if (wglMode) {
                const { area: AreaSeries, areaspline: AreaSplineSeries, bubble: BubbleSeries, column: ColumnSeries, heatmap: HeatmapSeries, scatter: ScatterSeries, treemap: TreemapSeries } = seriesTypes;
                if (AreaSeries &&
                    U.pushUnique(composedMembers, AreaSeries)) {
                    extend(AreaSeries.prototype, {
                        fill: true,
                        fillOpacity: true,
                        sampling: true
                    });
                }
                if (AreaSplineSeries &&
                    U.pushUnique(composedMembers, AreaSplineSeries)) {
                    extend(AreaSplineSeries.prototype, {
                        fill: true,
                        fillOpacity: true,
                        sampling: true
                    });
                }
                if (BubbleSeries &&
                    U.pushUnique(composedMembers, BubbleSeries)) {
                    const bubbleProto = BubbleSeries.prototype;
                    // By default, the bubble series does not use the KD-tree, so force
                    // it to.
                    delete bubbleProto.buildKDTree;
                    // seriesTypes.bubble.prototype.directTouch = false;
                    // Needed for markers to work correctly
                    wrap(bubbleProto, 'markerAttribs', function (proceed) {
                        if (this.boosted) {
                            return false;
                        }
                        return proceed.apply(this, [].slice.call(arguments, 1));
                    });
                }
                if (ColumnSeries &&
                    U.pushUnique(composedMembers, ColumnSeries)) {
                    extend(ColumnSeries.prototype, {
                        fill: true,
                        sampling: true
                    });
                }
                if (ScatterSeries &&
                    U.pushUnique(composedMembers, ScatterSeries)) {
                    ScatterSeries.prototype.fill = true;
                }
                // We need to handle heatmaps separatly, since we can't perform the
                // size/color calculations in the shader easily.
                // @todo This likely needs future optimization.
                [HeatmapSeries, TreemapSeries].forEach((SC) => {
                    if (SC && U.pushUnique(composedMembers, SC)) {
                        wrap(SC.prototype, 'drawPoints', wrapSeriesDrawPoints);
                    }
                });
            }
            return SeriesClass;
        }
        /**
         * Create a canvas + context and attach it to the target
         *
         * @private
         * @function createAndAttachRenderer
         *
         * @param {Highcharts.Chart} chart
         * the chart
         *
         * @param {Highcharts.Series} series
         * the series
         *
         * @return {Highcharts.BoostGLRenderer}
         * the canvas renderer
         */
        function createAndAttachRenderer(chart, series) {
            const ChartClass = chart.constructor, targetGroup = chart.seriesGroup || series.group, alpha = 1;
            let width = chart.chartWidth, height = chart.chartHeight, target = chart, foSupported = typeof SVGForeignObjectElement !== 'undefined';
            if (isChartSeriesBoosting(chart)) {
                target = chart;
            }
            else {
                target = series;
            }
            const boost = target.boost =
                target.boost ||
                    {};
            // Support for foreignObject is flimsy as best.
            // IE does not support it, and Chrome has a bug which messes up
            // the canvas draw order.
            // As such, we force the Image fallback for now, but leaving the
            // actual Canvas path in-place in case this changes in the future.
            foSupported = false;
            if (!mainCanvas) {
                mainCanvas = doc.createElement('canvas');
            }
            if (!boost.target) {
                boost.canvas = mainCanvas;
                // Fall back to image tag if foreignObject isn't supported,
                // or if we're exporting.
                if (chart.renderer.forExport || !foSupported) {
                    target.renderTarget = boost.target = chart.renderer.image('', 0, 0, width, height)
                        .addClass('highcharts-boost-canvas')
                        .add(targetGroup);
                    boost.clear = function () {
                        boost.target.attr({
                            // Insert a blank pixel (#17182)
                            /* eslint-disable-next-line max-len*/
                            href: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='
                        });
                    };
                    boost.copy = function () {
                        boost.resize();
                        boost.target.attr({
                            href: boost.canvas.toDataURL('image/png')
                        });
                    };
                }
                else {
                    boost.targetFo = chart.renderer
                        .createElement('foreignObject')
                        .add(targetGroup);
                    target.renderTarget = boost.target =
                        doc.createElement('canvas');
                    boost.targetCtx = boost.target.getContext('2d');
                    boost.targetFo.element.appendChild(boost.target);
                    boost.clear = function () {
                        boost.target.width = boost.canvas.width;
                        boost.target.height = boost.canvas.height;
                    };
                    boost.copy = function () {
                        boost.target.width = boost.canvas.width;
                        boost.target.height = boost.canvas.height;
                        boost.targetCtx.drawImage(boost.canvas, 0, 0);
                    };
                }
                boost.resize = function () {
                    width = chart.chartWidth;
                    height = chart.chartHeight;
                    (boost.targetFo || boost.target)
                        .attr({
                        x: 0,
                        y: 0,
                        width,
                        height
                    })
                        .css({
                        pointerEvents: 'none',
                        mixedBlendMode: 'normal',
                        opacity: alpha
                    });
                    if (target instanceof ChartClass) {
                        target.boost.markerGroup.translate(chart.plotLeft, chart.plotTop);
                    }
                };
                boost.clipRect = chart.renderer.clipRect();
                (boost.targetFo || boost.target).clip(boost.clipRect);
                if (target instanceof ChartClass) {
                    target.boost.markerGroup = target.renderer
                        .g()
                        .add(targetGroup)
                        .translate(series.xAxis.pos, series.yAxis.pos);
                }
            }
            boost.canvas.width = width;
            boost.canvas.height = height;
            if (boost.clipRect) {
                boost.clipRect.attr(getBoostClipRect(chart, target));
            }
            boost.resize();
            boost.clear();
            if (!boost.wgl) {
                boost.wgl = new WGLRenderer((wgl) => {
                    if (wgl.settings.debug.timeBufferCopy) {
                        console.time('buffer copy'); // eslint-disable-line no-console
                    }
                    boost.copy();
                    if (wgl.settings.debug.timeBufferCopy) {
                        console.timeEnd('buffer copy'); // eslint-disable-line no-console
                    }
                });
                if (!boost.wgl.init(boost.canvas)) {
                    // The OGL renderer couldn't be inited.
                    // This likely means a shader error as we wouldn't get to this point
                    // if there was no WebGL support.
                    error('[highcharts boost] - unable to init WebGL renderer');
                }
                // target.ogl.clear();
                boost.wgl.setOptions(chart.options.boost || {});
                if (target instanceof ChartClass) {
                    boost.wgl.allocateBuffer(chart);
                }
            }
            boost.wgl.setSize(width, height);
            return boost.wgl;
        }
        /**
         * If implemented in the core, parts of this can probably be
         * shared with other similar methods in Highcharts.
         * @private
         * @function Highcharts.Series#destroyGraphics
         */
        function destroyGraphics(series) {
            const points = series.points;
            if (points) {
                let point, i;
                for (i = 0; i < points.length; i = i + 1) {
                    point = points[i];
                    if (point && point.destroyElements) {
                        point.destroyElements(); // #7557
                    }
                }
            }
            ['graph', 'area', 'tracker'].forEach((prop) => {
                const seriesProp = series[prop];
                if (seriesProp) {
                    series[prop] = seriesProp.destroy();
                }
            });
            const zonesSeries = series;
            if (zonesSeries.getZonesGraphs) {
                const props = zonesSeries.getZonesGraphs([['graph', 'highcharts-graph']]);
                props.forEach((prop) => {
                    const zoneGraph = zonesSeries[prop[0]];
                    if (zoneGraph) {
                        zonesSeries[prop[0]] = zoneGraph.destroy();
                    }
                });
            }
        }
        /**
         * An "async" foreach loop. Uses a setTimeout to keep the loop from blocking the
         * UI thread.
         *
         * @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]
         * The current index.
         * @param {boolean} [noTimeout]
         * Set to true to skip timeouts.
         */
        function eachAsync(arr, fn, finalFunc, chunkSize, i, noTimeout) {
            i = i || 0;
            chunkSize = chunkSize || CHUNK_SIZE;
            const threshold = i + chunkSize;
            let proceed = true;
            while (proceed && i < threshold && i < arr.length) {
                proceed = fn(arr[i], i);
                ++i;
            }
            if (proceed) {
                if (i < arr.length) {
                    if (noTimeout) {
                        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: ((bp) => getPoint(series, bp))
            };
            const alteredByBoost = series.boost.altered = [];
            // Save the original values, including whether it was an own
            // property or inherited from the prototype.
            ['allowDG', 'directTouch', 'stickyTracking'].forEach((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) {
            const boost = series.boost;
            // Reset instance properties and/or delete instance properties and go back
            // to prototype
            if (boost) {
                (boost.altered || []).forEach((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) {
            const 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() {
            const 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() {
            const 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) {
            const 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) {
            const seriesOptions = series.options, xAxis = series.xAxis, PointClass = series.pointClass;
            if (boostPoint instanceof PointClass) {
                return boostPoint;
            }
            const 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.percentage = boostPoint.percentage;
            point.isInside = series.isPointInside(point);
            return point;
        }
        /**
         * @private
         * @function Highcharts.Series#renderCanvas
         */
        function seriesRenderCanvas() {
            const 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, 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);
            let 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();
                }
            }
            const points = this.points = [], addKDPoint = (clientX, plotY, i, percentage) => {
                const x = xDataFull ? xDataFull[cropStart + i] : false, pushPoint = (plotX) => {
                    if (chart.inverted) {
                        plotX = xAxis.len - plotX;
                        plotY = yAxis.len - plotY;
                    }
                    points.push({
                        destroy: noop,
                        x: x,
                        clientX: plotX,
                        plotX: plotX,
                        plotY: plotY,
                        i: cropStart + i,
                        percentage: percentage
                    });
                };
                // 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) {
                    if (!pointTaken[index]) {
                        pointTaken[index] = true;
                        pushPoint(clientX);
                    }
                    else if (x === xDataFull[xDataFull.length - 1]) {
                        // If the last point is on the same pixel as the last
                        // tracked point, swap them. (#18856)
                        points.length--;
                        pushPoint(clientX);
                    }
                }
            };
            // 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) {
                const chartDestroyed = typeof chart.index === 'undefined';
                let x, y, clientX, plotY, percentage, 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;
                        percentage = d.percentage;
                    }
                    // Optimize for scatter zooming
                    if (!requireSorting) {
                        isYInside = (y || 0) >= yMin && y <= yMax;
                    }
                    if (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, percentage);
                                    if (yBottom !== plotY) {
                                        addKDPoint(clientX, yBottom, minI, percentage);
                                    }
                                }
                                minI = maxI = void 0;
                                lastClientX = clientX;
                            }
                        }
                        else {
                            plotY = Math.ceil(yAxis.toPixels(y, true));
                            addKDPoint(clientX, plotY, i, percentage);
                        }
                    }
                }
                return !chartDestroyed;
            }
            /**
             * @private
             */
            const boostOptions = renderer.settings, doneProcessing = () => {
                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);
            }
        }
        /**
         * Used for treemap|heatmap.drawPoints
         * @private
         */
        function wrapSeriesDrawPoints(proceed) {
            let 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
            const 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) {
                const 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));
        }
        /**
         * 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) {
            let 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
             */
            const getSeriesBoosting = (data) => {
                const 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]) {
                const 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:
                    let firstPoint;
                    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) {
            const result = proceed.apply(this, [].slice.call(arguments, 1));
            if (this.boost && result) {
                return this.boost.getPoint(result);
            }
            return result;
        }
        /* *
         *
         *  Default Export
         *
         * */
        const BoostSeries = {
            compose,
            destroyGraphics,
            eachAsync,
            getPoint
        };

        return BoostSeries;
    });
    _registerModule(_modules, 'Extensions/BoostCanvas.js', [_modules['Extensions/Boost/BoostChart.js'], _modules['Extensions/Boost/BoostSeries.js'], _modules['Core/Chart/Chart.js'], _modules['Core/Color/Color.js'], _modules['Core/Globals.js'], _modules['Core/Series/Series.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (BoostChart, BoostSeries, Chart, Color, H, Series, SeriesRegistry, U) {
        /* *
         *
         *  License: www.highcharts.com/license
         *  Author: Torstein Honsi, Christer Vasseng
         *
         *  This module serves as a fallback for the Boost module in IE9 and IE10. Newer
         *  browsers support WebGL which is faster.
         *
         *  It is recommended to include this module in conditional comments targeting
         *  IE9 and IE10.
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        const { getBoostClipRect, isChartSeriesBoosting } = BoostChart;
        const { destroyGraphics } = BoostSeries;
        const { parse: color } = Color;
        const { doc, noop } = H;
        const { seriesTypes } = SeriesRegistry;
        const { addEvent, extend, fireEvent, isNumber, merge, pick, wrap } = U;
        // Use a blank pixel for clearing canvas (#17182)
        const b64BlankPixel = (
        /* eslint-disable-next-line max-len */
        'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=');
        let CHUNK_SIZE = 50000, destroyLoadingDiv;
        /* eslint-disable no-invalid-this, valid-jsdoc */
        /**
         * Initialize the canvas boost.
         *
         * @function Highcharts.initCanvasBoost
         */
        const initCanvasBoost = function () {
            if (H.seriesTypes.heatmap) {
                wrap(H.seriesTypes.heatmap.prototype, 'drawPoints', function () {
                    const chart = this.chart, ctx = this.getContext(), inverted = this.chart.inverted, xAxis = this.xAxis, yAxis = this.yAxis;
                    if (ctx) {
                        // draw the columns
                        this.points.forEach(function (point) {
                            let plotY = point.plotY, pointAttr;
                            if (typeof plotY !== 'undefined' &&
                                !isNaN(plotY) &&
                                point.y !== null &&
                                ctx) {
                                const { x = 0, y = 0, width = 0, height = 0 } = point.shapeArgs || {};
                                if (!chart.styledMode) {
                                    pointAttr = point.series.pointAttribs(point);
                                }
                                else {
                                    pointAttr = point.series.colorAttribs(point);
                                }
                                ctx.fillStyle = pointAttr.fill;
                                if (inverted) {
                                    ctx.fillRect(yAxis.len - y + xAxis.left, xAxis.len - x + yAxis.top, -height, -width);
                                }
                                else {
                                    ctx.fillRect(x + xAxis.left, y + yAxis.top, width, height);
                                }
                            }
                        });
                        this.canvasToSVG();
                    }
                    else {
                        this.chart.showLoading('Your browser doesn\'t support HTML5 canvas, <br>' +
                            'please use a modern browser');
                    }
                });
            }
            extend(Series.prototype, {
                /**
                 * Create a hidden canvas to draw the graph on. The contents is later
                 * copied over to an SVG image element.
                 *
                 * @private
                 * @function Highcharts.Series#getContext
                 */
                getContext: function () {
                    const chart = this.chart, target = isChartSeriesBoosting(chart) ? chart : this, targetGroup = (target === chart ?
                        chart.seriesGroup :
                        chart.seriesGroup || this.group);
                    let width = chart.chartWidth, height = chart.chartHeight, ctx, swapXY = function (proceed, x, y, a, b, c, d) {
                        proceed.call(this, y, x, a, b, c, d);
                    };
                    const boost = target.boost =
                        target.boost ||
                            {};
                    ctx = boost.targetCtx;
                    if (!boost.canvas) {
                        boost.canvas = doc.createElement('canvas');
                        boost.target = chart.renderer
                            .image('', 0, 0, width, height)
                            .addClass('highcharts-boost-canvas')
                            .add(targetGroup);
                        ctx = boost.targetCtx =
                            boost.canvas.getContext('2d');
                        if (chart.inverted) {
                            ['moveTo', 'lineTo', 'rect', 'arc'].forEach((fn) => {
                                wrap(ctx, fn, swapXY);
                            });
                        }
                        boost.copy = function () {
                            boost.target.attr({
                                href: boost.canvas.toDataURL('image/png')
                            });
                        };
                        boost.clear = function () {
                            ctx.clearRect(0, 0, boost.canvas.width, boost.canvas.height);
                            if (target === boost.target) {
                                boost.target.attr({
                                    href: b64BlankPixel
                                });
                            }
                        };
                        boost.clipRect = chart.renderer.clipRect();
                        boost.target.clip(boost.clipRect);
                    }
                    else if (!(target instanceof Chart)) {
                        // ctx.clearRect(0, 0, width, height);
                    }
                    if (boost.canvas.width !== width) {
                        boost.canvas.width = width;
                    }
                    if (boost.canvas.height !== height) {
                        boost.canvas.height = height;
                    }
                    boost.target.attr({
                        x: 0,
                        y: 0,
                        width: width,
                        height: height,
                        style: 'pointer-events: none',
                        href: b64BlankPixel
                    });
                    if (boost.clipRect) {
                        boost.clipRect.attr(getBoostClipRect(chart, target));
                    }
                    return ctx;
                },
                /**
                 * Draw the canvas image inside an SVG image
                 *
                 * @private
                 * @function Highcharts.Series#canvasToSVG
                 */
                canvasToSVG: function () {
                    if (!isChartSeriesBoosting(this.chart)) {
                        if (this.boost && this.boost.copy) {
                            this.boost.copy();
                        }
                        else if (this.chart.boost && this.chart.boost.copy) {
                            this.chart.boost.copy();
                        }
                    }
                    else if (this.boost && this.boost.clear) {
                        this.boost.clear();
                    }
                },
                cvsLineTo: function (ctx, clientX, plotY) {
                    ctx.lineTo(clientX, plotY);
                },
                renderCanvas: function () {
                    let series = this, options = series.options, chart = series.chart, xAxis = this.xAxis, yAxis = this.yAxis, activeBoostSettings = chart.options.boost || {}, boostSettings = {
                        timeRendering: activeBoostSettings.timeRendering || false,
                        timeSeriesProcessing: activeBoostSettings.timeSeriesProcessing || false,
                        timeSetup: activeBoostSettings.timeSetup || false
                    }, ctx, c = 0, xData = series.processedXData, yData = series.processedYData, rawData = options.data, xExtremes = xAxis.getExtremes(), xMin = xExtremes.min, xMax = xExtremes.max, yExtremes = yAxis.getExtremes(), yMin = yExtremes.min, yMax = yExtremes.max, pointTaken = {}, lastClientX, sampling = !!series.sampling, points, r = options.marker && options.marker.radius, cvsDrawPoint = this.cvsDrawPoint, cvsLineTo = options.lineWidth ? this.cvsLineTo : void 0, cvsMarker = (r && r <= 1 ?
                        this.cvsMarkerSquare :
                        this.cvsMarkerCircle), strokeBatch = this.cvsStrokeBatch || 1000, enableMouseTracking = options.enableMouseTracking, lastPoint, threshold = options.threshold, yBottom = yAxis.getThreshold(threshold), hasThreshold = isNumber(threshold), translatedThreshold = yBottom, doFill = this.fill, isRange = (series.pointArrayMap &&
                        series.pointArrayMap.join(',') === 'low,high'), isStacked = !!options.stacking, cropStart = series.cropStart || 0, loadingOptions = chart.options.loading, requireSorting = series.requireSorting, wasNull, connectNulls = options.connectNulls, useRaw = !xData, minVal, maxVal, minI, maxI, index, sdata = (isStacked ?
                        series.data :
                        (xData || rawData)), fillColor = (series.fillOpacity ?
                        Color.parse(series.color).setOpacity(pick(options.fillOpacity, 0.75)).get() :
                        series.color), 
                    //
                    stroke = function () {
                        if (doFill) {
                            ctx.fillStyle = fillColor;
                            ctx.fill();
                        }
                        else {
                            ctx.strokeStyle = series.color;
                            ctx.lineWidth = options.lineWidth;
                            ctx.stroke();
                        }
                    }, 
                    //
                    drawPoint = function (clientX, plotY, yBottom, i) {
                        if (c === 0) {
                            ctx.beginPath();
                            if (cvsLineTo) {
                                ctx.lineJoin = 'round';
                            }
                        }
                        if (chart.scroller &&
                            series.options.className ===
                                'highcharts-navigator-series') {
                            plotY += chart.scroller.top;
                            if (yBottom) {
                                yBottom += chart.scroller.top;
                            }
                        }
                        else {
                            plotY += chart.plotTop;
                        }
                        clientX += chart.plotLeft;
                        if (wasNull) {
                            ctx.moveTo(clientX, plotY);
                        }
                        else {
                            if (cvsDrawPoint) {
                                cvsDrawPoint(ctx, clientX, plotY, yBottom, lastPoint);
                            }
                            else if (cvsLineTo) {
                                cvsLineTo(ctx, clientX, plotY);
                            }
                            else if (cvsMarker) {
                                cvsMarker.call(series, ctx, clientX, plotY, r, i);
                            }
                        }
                        // We need to stroke the line for every 1000 pixels. It will
                        // crash the browser memory use if we stroke too
                        // infrequently.
                        c = c + 1;
                        if (c === strokeBatch) {
                            stroke();
                            c = 0;
                        }
                        // Area charts need to keep track of the last point
                        lastPoint = {
                            clientX: clientX,
                            plotY: plotY,
                            yBottom: yBottom
                        };
                    }, 
                    //
                    compareX = options.findNearestPointBy === 'x', 
                    //
                    xDataFull = (this.xData ||
                        this.options.xData ||
                        this.processedXData ||
                        false), 
                    //
                    addKDPoint = function (clientX, plotY, i) {
                        // 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
                            });
                        }
                    }, boost = this.boost || {};
                    if (boost.target) {
                        boost.target.attr({ href: b64BlankPixel });
                    }
                    // If we are zooming out from SVG mode, destroy the graphics
                    if (this.points || this.graph) {
                        destroyGraphics(this);
                    }
                    // The group
                    series.plotGroup('group', 'series', series.visible ? 'visible' : 'hidden', options.zIndex, chart.seriesGroup);
                    series.markerGroup = series.group;
                    addEvent(series, 'destroy', function () {
                        // Prevent destroy twice
                        series.markerGroup = null;
                    });
                    points = this.points = [];
                    ctx = this.getContext();
                    series.buildKDTree = noop; // Do not start building while drawing
                    if (boost.clear) {
                        boost.clear();
                    }
                    // if (this.canvas) {
                    //     ctx.clearRect(
                    //         0,
                    //         0,
                    //         this.canvas.width,
                    //         this.canvas.height
                    //     );
                    // }
                    if (!this.visible) {
                        return;
                    }
                    // Display a loading indicator
                    if (rawData.length > 99999) {
                        chart.options.loading = merge(loadingOptions, {
                            labelStyle: {
                                backgroundColor: color("#ffffff" /* Palette.backgroundColor */).setOpacity(0.75).get(),
                                padding: '1em',
                                borderRadius: '0.5em'
                            },
                            style: {
                                backgroundColor: 'none',
                                opacity: 1
                            }
                        });
                        U.clearTimeout(destroyLoadingDiv);
                        chart.showLoading('Drawing...');
                        chart.options.loading = loadingOptions; // reset
                    }
                    if (boostSettings.timeRendering) {
                        console.time('canvas rendering'); // eslint-disable-line no-console
                    }
                    // Loop over the points
                    BoostSeries.eachAsync(sdata, function (d, i) {
                        let x, y, clientX, plotY, isNull, low, isNextInside = false, isPrevInside = false, nx = false, px = false, chartDestroyed = typeof chart.index === 'undefined', isYInside = true;
                        if (!chartDestroyed) {
                            if (useRaw) {
                                x = d[0];
                                y = d[1];
                                if (sdata[i + 1]) {
                                    nx = sdata[i + 1][0];
                                }
                                if (sdata[i - 1]) {
                                    px = sdata[i - 1][0];
                                }
                            }
                            else {
                                x = d;
                                y = yData[i];
                                if (sdata[i + 1]) {
                                    nx = sdata[i + 1];
                                }
                                if (sdata[i - 1]) {
                                    px = sdata[i - 1];
                                }
                            }
                            if (nx && nx >= xMin && nx <= xMax) {
                                isNextInside = true;
                            }
                            if (px && px >= xMin && px <= xMax) {
                                isPrevInside = true;
                            }
                            // 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;
                            }
                            isNull = y === null;
                            // Optimize for scatter zooming
                            if (!requireSorting) {
                                isYInside = y >= yMin && y <= yMax;
                            }
                            if (!isNull &&
                                ((x >= xMin && x <= xMax && isYInside) ||
                                    (isNextInside || isPrevInside))) {
                                clientX = Math.round(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 (clientX !== lastClientX) {
                                        // maxI also a number:
                                        if (typeof minI !== 'undefined') {
                                            plotY = yAxis.toPixels(maxVal, true);
                                            yBottom = yAxis.toPixels(minVal, true);
                                            drawPoint(clientX, hasThreshold ?
                                                Math.min(plotY, translatedThreshold) : plotY, hasThreshold ?
                                                Math.max(yBottom, translatedThreshold) : yBottom, i);
                                            addKDPoint(clientX, plotY, maxI);
                                            if (yBottom !== plotY) {
                                                addKDPoint(clientX, yBottom, minI);
                                            }
                                        }
                                        minI = maxI = void 0;
                                        lastClientX = clientX;
                                    }
                                }
                                else {
                                    plotY = Math.round(yAxis.toPixels(y, true));
                                    drawPoint(clientX, plotY, yBottom, i);
                                    addKDPoint(clientX, plotY, i);
                                }
                            }
                            wasNull = isNull && !connectNulls;
                            if (i % CHUNK_SIZE === 0) {
                                if (series.boost &&
                                    series.boost.copy) {
                                    series.boost.copy();
                                }
                                else if (series.chart.boost &&
                                    series.chart.boost.copy) {
                                    series.chart.boost.copy();
                                }
                            }
                        }
                        return !chartDestroyed;
                    }, function () {
                        const loadingDiv = chart.loadingDiv, loadingShown = chart.loadingShown;
                        stroke();
                        // if (series.boostCopy || series.chart.boostCopy) {
                        //     (series.boostCopy || series.chart.boostCopy)();
                        // }
                        series.canvasToSVG();
                        if (boostSettings.timeRendering) {
                            console.timeEnd('canvas rendering'); // eslint-disable-line no-console
                        }
                        fireEvent(series, 'renderedCanvas');
                        // Do not use chart.hideLoading, as it runs JS animation and
                        // will be blocked by buildKDTree. CSS animation looks good, but
                        // then it must be deleted in timeout. If we add the module to
                        // core, change hideLoading so we can skip this block.
                        if (loadingShown) {
                            extend(loadingDiv.style, {
                                transition: 'opacity 250ms',
                                opacity: 0
                            });
                            chart.loadingShown = false;
                            destroyLoadingDiv = setTimeout(function () {
                                if (loadingDiv.parentNode) { // In exporting it is falsy
                                    loadingDiv.parentNode.removeChild(loadingDiv);
                                }
                                chart.loadingDiv = chart.loadingSpan = null;
                            }, 250);
                        }
                        // Go back to prototype, ready to build
                        delete series.buildKDTree;
                        series.buildKDTree();
                        // Don't do async on export, the exportChart, getSVGForExport and
                        // getSVG methods are not chained for it.
                    }, chart.renderer.forExport ? Number.MAX_VALUE : void 0);
                }
            });
            seriesTypes.scatter.prototype.cvsMarkerCircle = function (ctx, clientX, plotY, r) {
                ctx.moveTo(clientX, plotY);
                ctx.arc(clientX, plotY, r, 0, 2 * Math.PI, false);
            };
            // Rect is twice as fast as arc, should be used for small markers
            seriesTypes.scatter.prototype.cvsMarkerSquare = function (ctx, clientX, plotY, r) {
                ctx.rect(clientX - r, plotY - r, r * 2, r * 2);
            };
            seriesTypes.scatter.prototype.fill = true;
            if (seriesTypes.bubble) {
                seriesTypes.bubble.prototype.cvsMarkerCircle = function (ctx, clientX, plotY, r, i) {
                    ctx.moveTo(clientX, plotY);
                    ctx.arc(clientX, plotY, this.radii && this.radii[i], 0, 2 * Math.PI, false);
                };
                seriesTypes.bubble.prototype.cvsStrokeBatch = 1;
            }
            extend(seriesTypes.area.prototype, {
                cvsDrawPoint: function (ctx, clientX, plotY, yBottom, lastPoint) {
                    if (lastPoint && clientX !== lastPoint.clientX) {
                        ctx.moveTo(lastPoint.clientX, lastPoint.yBottom);
                        ctx.lineTo(lastPoint.clientX, lastPoint.plotY);
                        ctx.lineTo(clientX, plotY);
                        ctx.lineTo(clientX, yBottom);
                    }
                },
                fill: true,
                fillOpacity: true,
                sampling: true
            });
            extend(seriesTypes.column.prototype, {
                cvsDrawPoint: function (ctx, clientX, plotY, yBottom) {
                    ctx.rect(clientX - 1, plotY, 1, yBottom - plotY);
                },
                fill: true,
                sampling: true
            });
            Chart.prototype.callbacks.push(function (chart) {
                /**
                 * @private
                 */
                function canvasToSVG() {
                    if (chart.boost && chart.boost.copy) {
                        chart.boost.copy();
                    }
                }
                /**
                 * @private
                 */
                function clear() {
                    const boost = this.boost || {};
                    if (boost.target) {
                        boost.target.attr({ href: b64BlankPixel });
                    }
                    if (boost.canvas) {
                        boost.canvas.getContext('2d').clearRect(0, 0, boost.canvas.width, boost.canvas.height);
                    }
                }
                addEvent(chart, 'predraw', clear);
                addEvent(chart, 'render', canvasToSVG);
            });
        };

        return initCanvasBoost;
    });
    _registerModule(_modules, 'masters/modules/boost-canvas.src.js', [], function () {


    });
}));