/**
 * @license Highcharts JS v11.3.0 (2024-01-10)
 *
 * Client side exporting module
 *
 * (c) 2015-2024 Torstein Honsi / Oystein Moseng
 *
 * 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/offline-exporting', ['highcharts', 'highcharts/modules/exporting'], 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/DownloadURL.js', [_modules['Core/Globals.js']], function (H) {
        /* *
         *
         *  (c) 2015-2024 Oystein Moseng
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         *  Mixin for downloading content in the browser
         *
         * */
        /* *
         *
         *  Imports
         *
         * */
        var isSafari = H.isSafari, win = H.win, doc = H.win.document;
        /* *
         *
         *  Constants
         *
         * */
        var domurl = win.URL || win.webkitURL || win;
        /* *
         *
         *  Functions
         *
         * */
        /**
         * Convert base64 dataURL to Blob if supported, otherwise returns undefined.
         * @private
         * @function Highcharts.dataURLtoBlob
         * @param {string} dataURL
         *        URL to convert
         * @return {string|undefined}
         *         Blob
         */
        function dataURLtoBlob(dataURL) {
            var parts = dataURL
                .replace(/filename=.*;/, '')
                .match(/data:([^;]*)(;base64)?,([0-9A-Za-z+/]+)/);
            if (parts &&
                parts.length > 3 &&
                (win.atob) &&
                win.ArrayBuffer &&
                win.Uint8Array &&
                win.Blob &&
                (domurl.createObjectURL)) {
                // Try to convert data URL to Blob
                var binStr = win.atob(parts[3]), buf = new win.ArrayBuffer(binStr.length), binary = new win.Uint8Array(buf);
                for (var i = 0; i < binary.length; ++i) {
                    binary[i] = binStr.charCodeAt(i);
                }
                return domurl
                    .createObjectURL(new win.Blob([binary], { 'type': parts[1] }));
            }
        }
        /**
         * Download a data URL in the browser. Can also take a blob as first param.
         *
         * @private
         * @function Highcharts.downloadURL
         * @param {string|global.URL} dataURL
         *        The dataURL/Blob to download
         * @param {string} filename
         *        The name of the resulting file (w/extension)
         * @return {void}
         */
        function downloadURL(dataURL, filename) {
            var nav = win.navigator, a = doc.createElement('a');
            // IE specific blob implementation
            // Don't use for normal dataURLs
            if (typeof dataURL !== 'string' &&
                !(dataURL instanceof String) &&
                nav.msSaveOrOpenBlob) {
                nav.msSaveOrOpenBlob(dataURL, filename);
                return;
            }
            dataURL = '' + dataURL;
            var // Some browsers have limitations for data URL lengths. Try to convert
            // to Blob or fall back. Edge always needs that blob.
            isOldEdgeBrowser = /Edge\/\d+/.test(nav.userAgent), 
            // Safari on iOS needs Blob in order to download PDF
            safariBlob = (isSafari &&
                typeof dataURL === 'string' &&
                dataURL.indexOf('data:application/pdf') === 0);
            if (safariBlob || isOldEdgeBrowser || dataURL.length > 2000000) {
                dataURL = dataURLtoBlob(dataURL) || '';
                if (!dataURL) {
                    throw new Error('Failed to convert to blob');
                }
            }
            // Try HTML5 download attr if supported
            if (typeof a.download !== 'undefined') {
                a.href = dataURL;
                a.download = filename; // HTML5 download attribute
                doc.body.appendChild(a);
                a.click();
                doc.body.removeChild(a);
            }
            else {
                // No download attr, just opening data URI
                try {
                    if (!win.open(dataURL, 'chart')) {
                        throw new Error('Failed to open window');
                    }
                }
                catch (_a) {
                    // If window.open failed, try location.href
                    win.location.href = dataURL;
                }
            }
        }
        /* *
         *
         *  Default Export
         *
         * */
        var DownloadURL = {
            dataURLtoBlob: dataURLtoBlob,
            downloadURL: downloadURL
        };

        return DownloadURL;
    });
    _registerModule(_modules, 'Extensions/OfflineExporting/OfflineExportingDefaults.js', [], function () {
        /* *
         *
         *  (c) 2010-2024 Torstein Honsi
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* *
         *
         * Declarations
         *
         * */
        var OfflineExportingDefaults = {
            libURL: 'https://code.highcharts.com/11.3.0/lib/',
            // When offline-exporting is loaded, redefine the menu item definitions
            // related to download.
            menuItemDefinitions: {
                downloadPNG: {
                    textKey: 'downloadPNG',
                    onclick: function () {
                        this.exportChartLocal();
                    }
                },
                downloadJPEG: {
                    textKey: 'downloadJPEG',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'image/jpeg'
                        });
                    }
                },
                downloadSVG: {
                    textKey: 'downloadSVG',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'image/svg+xml'
                        });
                    }
                },
                downloadPDF: {
                    textKey: 'downloadPDF',
                    onclick: function () {
                        this.exportChartLocal({
                            type: 'application/pdf'
                        });
                    }
                }
            }
        };
        /* *
         *
         *  Default Export
         *
         * */

        return OfflineExportingDefaults;
    });
    _registerModule(_modules, 'Extensions/OfflineExporting/OfflineExporting.js', [_modules['Core/Renderer/HTML/AST.js'], _modules['Core/Chart/Chart.js'], _modules['Core/Defaults.js'], _modules['Extensions/DownloadURL.js'], _modules['Extensions/Exporting/Exporting.js'], _modules['Core/Globals.js'], _modules['Core/HttpUtilities.js'], _modules['Extensions/OfflineExporting/OfflineExportingDefaults.js'], _modules['Core/Utilities.js']], function (AST, Chart, D, DownloadURL, Exporting, H, HU, OfflineExportingDefaults, U) {
        /* *
         *
         *  Client side exporting module
         *
         *  (c) 2015 Torstein Honsi / Oystein Moseng
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* global MSBlobBuilder */
        var defaultOptions = D.defaultOptions;
        var downloadURL = DownloadURL.downloadURL;
        var composed = H.composed, doc = H.doc, win = H.win;
        var ajax = HU.ajax;
        var addEvent = U.addEvent, error = U.error, extend = U.extend, fireEvent = U.fireEvent, merge = U.merge, pushUnique = U.pushUnique;
        AST.allowedAttributes.push('data-z-index', 'fill-opacity', 'filter', 'rx', 'ry', 'stroke-dasharray', 'stroke-linejoin', 'stroke-opacity', 'text-anchor', 'transform', 'version', 'viewBox', 'visibility', 'xmlns', 'xmlns:xlink');
        AST.allowedTags.push('desc', 'clippath', 'g');
        /* *
         *
         *  Composition
         *
         * */
        var OfflineExporting;
        (function (OfflineExporting) {
            /* *
             *
             *  Declarations
             *
             * */
            /* *
             *
             *  Constants
             *
             * */
            // Dummy object so we can reuse our canvas-tools.js without errors
            OfflineExporting.CanVGRenderer = {}, OfflineExporting.domurl = win.URL || win.webkitURL || win, 
            // Milliseconds to defer image load event handlers to offset IE bug
            OfflineExporting.loadEventDeferDelay = H.isMS ? 150 : 0;
            /* *
             *
             *  Functions
             *
             * */
            /* eslint-disable valid-jsdoc */
            /**
             * Extends OfflineExporting with Chart.
             * @private
             */
            function compose(ChartClass) {
                if (pushUnique(composed, compose)) {
                    var chartProto = ChartClass.prototype;
                    chartProto.getSVGForLocalExport = getSVGForLocalExport;
                    chartProto.exportChartLocal = exportChartLocal;
                    // Extend the default options to use the local exporter logic
                    merge(true, defaultOptions.exporting, OfflineExportingDefaults);
                }
                return ChartClass;
            }
            OfflineExporting.compose = compose;
            /**
             * Get data URL to an image of an SVG and call download on it options
             * object:
             * - **filename:** Name of resulting downloaded file without extension.
             * Default is `chart`.
             *
             * - **type:** File type of resulting download. Default is `image/png`.
             *
             * - **scale:** Scaling factor of downloaded image compared to source.
             * Default is `1`.
             *
             * - **libURL:** URL pointing to location of dependency scripts to download
             * on demand. Default is the exporting.libURL option of the global
             * Highcharts options pointing to our server.
             *
             * @function Highcharts.downloadSVGLocal
             *
             * @param {string} svg
             * The generated SVG
             *
             * @param {Highcharts.ExportingOptions} options
             * The exporting options
             *
             * @param {Function} failCallback
             * The callback function in case of errors
             *
             * @param {Function} [successCallback]
             * The callback function in case of success
             *
             */
            function downloadSVGLocal(svg, options, failCallback, successCallback) {
                var dummySVGContainer = doc.createElement('div'), imageType = options.type || 'image/png', filename = ((options.filename || 'chart') +
                    '.' +
                    (imageType === 'image/svg+xml' ?
                        'svg' : imageType.split('/')[1])), scale = options.scale || 1;
                var svgurl, blob, finallyHandler, libURL = (options.libURL || defaultOptions.exporting.libURL), objectURLRevoke = true, pdfFont = options.pdfFont;
                // Allow libURL to end with or without fordward slash
                libURL = libURL.slice(-1) !== '/' ? libURL + '/' : libURL;
                /*
                 * Detect if we need to load TTF fonts for the PDF, then load them and
                 * proceed.
                 *
                 * @private
                 */
                var loadPdfFonts = function (svgElement, callback) {
                    var hasNonASCII = function (s) { return (
                    // eslint-disable-next-line no-control-regex
                    /[^\u0000-\u007F\u200B]+/.test(s)); };
                    // Register an event in order to add the font once jsPDF is
                    // initialized
                    var addFont = function (variant, base64) {
                        win.jspdf.jsPDF.API.events.push([
                            'initialized',
                            function () {
                                this.addFileToVFS(variant, base64);
                                this.addFont(variant, 'HighchartsFont', variant);
                                if (!this.getFontList().HighchartsFont) {
                                    this.setFont('HighchartsFont');
                                }
                            }
                        ]);
                    };
                    // If there are no non-ASCII characters in the SVG, do not use
                    // bother downloading the font files
                    if (pdfFont && !hasNonASCII(svgElement.textContent || '')) {
                        pdfFont = void 0;
                    }
                    // Add new font if the URL is declared, #6417.
                    var variants = ['normal', 'italic', 'bold', 'bolditalic'];
                    // Shift the first element off the variants and add as a font.
                    // Then asynchronously trigger the next variant until calling the
                    // callback when the variants are empty.
                    var normalBase64;
                    var shiftAndLoadVariant = function () {
                        var variant = variants.shift();
                        // All variants shifted and possibly loaded, proceed
                        if (!variant) {
                            return callback();
                        }
                        var url = pdfFont && pdfFont[variant];
                        if (url) {
                            ajax({
                                url: url,
                                responseType: 'blob',
                                success: function (data, xhr) {
                                    var reader = new FileReader();
                                    reader.onloadend = function () {
                                        if (typeof this.result === 'string') {
                                            var base64 = this.result.split(',')[1];
                                            addFont(variant, base64);
                                            if (variant === 'normal') {
                                                normalBase64 = base64;
                                            }
                                        }
                                        shiftAndLoadVariant();
                                    };
                                    reader.readAsDataURL(xhr.response);
                                },
                                error: shiftAndLoadVariant
                            });
                        }
                        else {
                            // For other variants, fall back to normal text weight/style
                            if (normalBase64) {
                                addFont(variant, normalBase64);
                            }
                            shiftAndLoadVariant();
                        }
                    };
                    shiftAndLoadVariant();
                };
                /*
                 * @private
                 */
                var downloadPDF = function () {
                    AST.setElementHTML(dummySVGContainer, svg);
                    var textElements = dummySVGContainer.getElementsByTagName('text'), 
                    // Copy style property to element from parents if it's not
                    // there. Searches up hierarchy until it finds prop, or hits the
                    // chart container.
                    setStylePropertyFromParents = function (el, propName) {
                        var curParent = el;
                        while (curParent && curParent !== dummySVGContainer) {
                            if (curParent.style[propName]) {
                                var value = curParent.style[propName];
                                if (propName === 'fontSize' && /em$/.test(value)) {
                                    value = Math.round(parseFloat(value) * 16) + 'px';
                                }
                                el.style[propName] = value;
                                break;
                            }
                            curParent = curParent.parentNode;
                        }
                    };
                    var titleElements, outlineElements;
                    // Workaround for the text styling. Making sure it does pick up
                    // settings for parent elements.
                    [].forEach.call(textElements, function (el) {
                        // Workaround for the text styling. making sure it does pick up
                        // the root element
                        ['fontFamily', 'fontSize']
                            .forEach(function (property) {
                            setStylePropertyFromParents(el, property);
                        });
                        el.style.fontFamily = pdfFont && pdfFont.normal ?
                            // Custom PDF font
                            'HighchartsFont' :
                            // Generic font (serif, sans-serif etc)
                            String(el.style.fontFamily &&
                                el.style.fontFamily.split(' ').splice(-1));
                        // Workaround for plotband with width, removing title from text
                        // nodes
                        titleElements = el.getElementsByTagName('title');
                        [].forEach.call(titleElements, function (titleElement) {
                            el.removeChild(titleElement);
                        });
                        // Remove all .highcharts-text-outline elements, #17170
                        outlineElements =
                            el.getElementsByClassName('highcharts-text-outline');
                        while (outlineElements.length > 0) {
                            el.removeChild(outlineElements[0]);
                        }
                    });
                    var svgNode = dummySVGContainer.querySelector('svg');
                    if (svgNode) {
                        loadPdfFonts(svgNode, function () {
                            svgToPdf(svgNode, 0, scale, function (pdfData) {
                                try {
                                    downloadURL(pdfData, filename);
                                    if (successCallback) {
                                        successCallback();
                                    }
                                }
                                catch (e) {
                                    failCallback(e);
                                }
                            });
                        });
                    }
                };
                // Initiate download depending on file type
                if (imageType === 'image/svg+xml') {
                    // SVG download. In this case, we want to use Microsoft specific
                    // Blob if available
                    try {
                        if (typeof win.MSBlobBuilder !== 'undefined') {
                            blob = new win.MSBlobBuilder();
                            blob.append(svg);
                            svgurl = blob.getBlob('image/svg+xml');
                        }
                        else {
                            svgurl = svgToDataUrl(svg);
                        }
                        downloadURL(svgurl, filename);
                        if (successCallback) {
                            successCallback();
                        }
                    }
                    catch (e) {
                        failCallback(e);
                    }
                }
                else if (imageType === 'application/pdf') {
                    if (win.jspdf && win.jspdf.jsPDF) {
                        downloadPDF();
                    }
                    else {
                        // Must load pdf libraries first. // Don't destroy the object
                        // URL yet since we are doing things asynchronously. A cleaner
                        // solution would be nice, but this will do for now.
                        objectURLRevoke = true;
                        getScript(libURL + 'jspdf.js', function () {
                            getScript(libURL + 'svg2pdf.js', downloadPDF);
                        });
                    }
                }
                else {
                    // PNG/JPEG download - create bitmap from SVG
                    svgurl = svgToDataUrl(svg);
                    finallyHandler = function () {
                        try {
                            OfflineExporting.domurl.revokeObjectURL(svgurl);
                        }
                        catch (e) {
                            // Ignore
                        }
                    };
                    // First, try to get PNG by rendering on canvas
                    imageToDataUrl(svgurl, imageType, {}, scale, function (imageURL) {
                        // Success
                        try {
                            downloadURL(imageURL, filename);
                            if (successCallback) {
                                successCallback();
                            }
                        }
                        catch (e) {
                            failCallback(e);
                        }
                    }, function () {
                        // Failed due to tainted canvas
                        // Create new and untainted canvas
                        var canvas = doc.createElement('canvas'), ctx = canvas.getContext('2d'), imageWidth = svg.match(/^<svg[^>]*width\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, imageHeight = svg.match(/^<svg[^>]*height\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, downloadWithCanVG = function () {
                            var v = win.canvg.Canvg.fromString(ctx, svg);
                            v.start();
                            try {
                                downloadURL(win.navigator.msSaveOrOpenBlob ?
                                    canvas.msToBlob() :
                                    canvas.toDataURL(imageType), filename);
                                if (successCallback) {
                                    successCallback();
                                }
                            }
                            catch (e) {
                                failCallback(e);
                            }
                            finally {
                                finallyHandler();
                            }
                        };
                        canvas.width = imageWidth;
                        canvas.height = imageHeight;
                        if (win.canvg) {
                            // Use preloaded canvg
                            downloadWithCanVG();
                        }
                        else {
                            // Must load canVG first. // Don't destroy the object
                            // URL yet since we are doing things asynchronously. A
                            // cleaner solution would be nice, but this will do for
                            // now.
                            objectURLRevoke = true;
                            getScript(libURL + 'canvg.js', function () {
                                downloadWithCanVG();
                            });
                        }
                    }, 
                    // No canvas support
                    failCallback, 
                    // Failed to load image
                    failCallback, 
                    // Finally
                    function () {
                        if (objectURLRevoke) {
                            finallyHandler();
                        }
                    });
                }
            }
            OfflineExporting.downloadSVGLocal = downloadSVGLocal;
            /* eslint-disable valid-jsdoc */
            /**
             * Exporting and offline-exporting modules required. Export a chart to
             * an image locally in the user's browser.
             *
             * @function Highcharts.Chart#exportChartLocal
             *
             * @param  {Highcharts.ExportingOptions} [exportingOptions]
             *         Exporting options, the same as in
             *         {@link Highcharts.Chart#exportChart}.
             *
             * @param  {Highcharts.Options} [chartOptions]
             *         Additional chart options for the exported chart. For example
             *         a different background color can be added here, or
             *         `dataLabels` for export only.
             *
             *
             * @requires modules/exporting
             * @requires modules/offline-exporting
             */
            function exportChartLocal(exportingOptions, chartOptions) {
                var chart = this, options = merge(chart.options.exporting, exportingOptions), fallbackToExportServer = function (err) {
                    if (options.fallbackToExportServer === false) {
                        if (options.error) {
                            options.error(options, err);
                        }
                        else {
                            error(28, true); // Fallback disabled
                        }
                    }
                    else {
                        chart.exportChart(options);
                    }
                }, svgSuccess = function (svg) {
                    // If SVG contains foreignObjects PDF fails in all browsers
                    // and all exports except SVG will fail in IE, as both CanVG
                    // and svg2pdf choke on this. Gracefully fall back.
                    if (svg.indexOf('<foreignObject') > -1 &&
                        options.type !== 'image/svg+xml' &&
                        (H.isMS || options.type === 'application/pdf')) {
                        fallbackToExportServer(new Error('Image type not supported for charts with embedded HTML'));
                    }
                    else {
                        OfflineExporting.downloadSVGLocal(svg, extend({ filename: chart.getFilename() }, options), fallbackToExportServer, function () { return fireEvent(chart, 'exportChartLocalSuccess'); });
                    }
                }, 
                // Return true if the SVG contains images with external data. With
                // the boost module there are `image` elements with encoded PNGs,
                // these are supported by svg2pdf and should pass (#10243).
                hasExternalImages = function () {
                    return [].some.call(chart.container.getElementsByTagName('image'), function (image) {
                        var href = image.getAttribute('href');
                        return (href !== '' &&
                            typeof href === 'string' &&
                            href.indexOf('data:') !== 0);
                    });
                };
                // If we are on IE and in styled mode, add an allowlist to the renderer
                // for inline styles that we want to pass through. There are so many
                // styles by default in IE that we don't want to denylist them all.
                if (H.isMS && chart.styledMode && !Exporting.inlineAllowlist.length) {
                    Exporting.inlineAllowlist.push(/^blockSize/, /^border/, /^caretColor/, /^color/, /^columnRule/, /^columnRuleColor/, /^cssFloat/, /^cursor/, /^fill$/, /^fillOpacity/, /^font/, /^inlineSize/, /^length/, /^lineHeight/, /^opacity/, /^outline/, /^parentRule/, /^rx$/, /^ry$/, /^stroke/, /^textAlign/, /^textAnchor/, /^textDecoration/, /^transform/, /^vectorEffect/, /^visibility/, /^x$/, /^y$/);
                }
                // Always fall back on:
                // - MS browsers: Embedded images JPEG/PNG, or any PDF
                // - Embedded images and PDF
                if ((H.isMS &&
                    (options.type === 'application/pdf' ||
                        chart.container.getElementsByTagName('image').length &&
                            options.type !== 'image/svg+xml')) || (options.type === 'application/pdf' &&
                    hasExternalImages())) {
                    fallbackToExportServer(new Error('Image type not supported for this chart/browser.'));
                    return;
                }
                chart.getSVGForLocalExport(options, chartOptions || {}, fallbackToExportServer, svgSuccess);
            }
            /**
             * Downloads a script and executes a callback when done.
             *
             * @private
             * @function getScript
             * @param {string} scriptLocation
             * @param {Function} callback
             */
            function getScript(scriptLocation, callback) {
                var head = doc.getElementsByTagName('head')[0], script = doc.createElement('script');
                script.type = 'text/javascript';
                script.src = scriptLocation;
                script.onload = callback;
                script.onerror = function () {
                    error('Error loading script ' + scriptLocation);
                };
                head.appendChild(script);
            }
            OfflineExporting.getScript = getScript;
            /**
             * Get SVG of chart prepared for client side export. This converts
             * embedded images in the SVG to data URIs. It requires the regular
             * exporting module. The options and chartOptions arguments are passed
             * to the getSVGForExport function.
             *
             * @private
             * @function Highcharts.Chart#getSVGForLocalExport
             * @param {Highcharts.ExportingOptions} options
             * @param {Highcharts.Options} chartOptions
             * @param {Function} failCallback
             * @param {Function} successCallback
             */
            function getSVGForLocalExport(options, chartOptions, failCallback, successCallback) {
                var chart = this, 
                // After grabbing the SVG of the chart's copy container we need
                // to do sanitation on the SVG
                sanitize = function (svg) { return chart.sanitizeSVG(svg, chartCopyOptions); }, 
                // When done with last image we have our SVG
                checkDone = function () {
                    if (images && imagesEmbedded === imagesLength) {
                        successCallback(sanitize(chartCopyContainer.innerHTML));
                    }
                }, 
                // Success handler, we converted image to base64!
                embeddedSuccess = function (imageURL, imageType, callbackArgs) {
                    ++imagesEmbedded;
                    // Change image href in chart copy
                    callbackArgs.imageElement.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageURL);
                    checkDone();
                };
                var el, chartCopyContainer, chartCopyOptions, href = null, images, imagesLength = 0, imagesEmbedded = 0;
                // Hook into getSVG to get a copy of the chart copy's
                // container (#8273)
                chart.unbindGetSVG = addEvent(chart, 'getSVG', function (e) {
                    chartCopyOptions = e.chartCopy.options;
                    chartCopyContainer = e.chartCopy.container.cloneNode(true);
                    images = chartCopyContainer && chartCopyContainer
                        .getElementsByTagName('image') || [];
                    imagesLength = images.length;
                });
                // Trigger hook to get chart copy
                chart.getSVGForExport(options, chartOptions);
                try {
                    // If there are no images to embed, the SVG is okay now.
                    if (!images || !images.length) {
                        // Use SVG of chart copy
                        successCallback(sanitize(chartCopyContainer.innerHTML));
                        return;
                    }
                    // Go through the images we want to embed
                    for (var i = 0; i < images.length; i++) {
                        el = images[i];
                        href = el.getAttributeNS('http://www.w3.org/1999/xlink', 'href');
                        if (href) {
                            OfflineExporting.imageToDataUrl(href, 'image/png', { imageElement: el }, options.scale, embeddedSuccess, 
                            // Tainted canvas
                            failCallback, 
                            // No canvas support
                            failCallback, 
                            // Failed to load source
                            failCallback);
                            // Hidden, boosted series have blank href (#10243)
                        }
                        else {
                            imagesEmbedded++;
                            el.parentNode.removeChild(el);
                            i--;
                            checkDone();
                        }
                    }
                }
                catch (e) {
                    failCallback(e);
                }
                // Clean up
                chart.unbindGetSVG();
            }
            /**
             * Get data:URL from image URL. Pass in callbacks to handle results.
             *
             * @private
             * @function Highcharts.imageToDataUrl
             *
             * @param {string} imageURL
             *
             * @param {string} imageType
             *
             * @param {*} callbackArgs
             *        callbackArgs is used only by callbacks.
             *
             * @param {number} scale
             *
             * @param {Function} successCallback
             *        Receives four arguments: imageURL, imageType, callbackArgs,
             *        and scale.
             *
             * @param {Function} taintedCallback
             *        Receives four arguments: imageURL, imageType, callbackArgs,
             *        and scale.
             *
             * @param {Function} noCanvasSupportCallback
             *        Receives four arguments: imageURL, imageType, callbackArgs,
             *        and scale.
             *
             * @param {Function} failedLoadCallback
             *        Receives four arguments: imageURL, imageType, callbackArgs,
             *        and scale.
             *
             * @param {Function} [finallyCallback]
             *        finallyCallback is always called at the end of the process. All
             *        callbacks receive four arguments: imageURL, imageType,
             *        callbackArgs, and scale.
             */
            function imageToDataUrl(imageURL, imageType, callbackArgs, scale, successCallback, taintedCallback, noCanvasSupportCallback, failedLoadCallback, finallyCallback) {
                var img = new win.Image(), taintedHandler;
                var loadHandler = function () {
                    setTimeout(function () {
                        var canvas = doc.createElement('canvas'), ctx = canvas.getContext && canvas.getContext('2d');
                        var dataURL;
                        try {
                            if (!ctx) {
                                noCanvasSupportCallback(imageURL, imageType, callbackArgs, scale);
                            }
                            else {
                                canvas.height = img.height * scale;
                                canvas.width = img.width * scale;
                                ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
                                // Now we try to get the contents of the canvas.
                                try {
                                    dataURL = canvas.toDataURL(imageType);
                                    successCallback(dataURL, imageType, callbackArgs, scale);
                                }
                                catch (e) {
                                    taintedHandler(imageURL, imageType, callbackArgs, scale);
                                }
                            }
                        }
                        finally {
                            if (finallyCallback) {
                                finallyCallback(imageURL, imageType, callbackArgs, scale);
                            }
                        }
                        // IE bug where image is not always ready despite calling load
                        // event.
                    }, OfflineExporting.loadEventDeferDelay);
                }, 
                // Image load failed (e.g. invalid URL)
                errorHandler = function () {
                    failedLoadCallback(imageURL, imageType, callbackArgs, scale);
                    if (finallyCallback) {
                        finallyCallback(imageURL, imageType, callbackArgs, scale);
                    }
                };
                // This is called on load if the image drawing to canvas failed with a
                // security error. We retry the drawing with crossOrigin set to
                // Anonymous.
                taintedHandler = function () {
                    img = new win.Image();
                    taintedHandler = taintedCallback;
                    // Must be set prior to loading image source
                    img.crossOrigin = 'Anonymous';
                    img.onload = loadHandler;
                    img.onerror = errorHandler;
                    img.src = imageURL;
                };
                img.onload = loadHandler;
                img.onerror = errorHandler;
                img.src = imageURL;
            }
            OfflineExporting.imageToDataUrl = imageToDataUrl;
            /**
             * Get blob URL from SVG code. Falls back to normal data URI.
             *
             * @private
             * @function Highcharts.svgToDataURL
             */
            function svgToDataUrl(svg) {
                // Webkit and not chrome
                var userAgent = win.navigator.userAgent;
                var webKit = (userAgent.indexOf('WebKit') > -1 &&
                    userAgent.indexOf('Chrome') < 0);
                try {
                    // Safari requires data URI since it doesn't allow navigation to
                    // blob URLs. ForeignObjects also dont work well in Blobs in Chrome
                    // (#14780).
                    if (!webKit && svg.indexOf('<foreignObject') === -1) {
                        return OfflineExporting.domurl.createObjectURL(new win.Blob([svg], {
                            type: 'image/svg+xml;charset-utf-16'
                        }));
                    }
                }
                catch (e) {
                    // Ignore
                }
                return 'data:image/svg+xml;charset=UTF-8,' + encodeURIComponent(svg);
            }
            OfflineExporting.svgToDataUrl = svgToDataUrl;
            /* eslint-disable valid-jsdoc */
            /**
             * @private
             */
            function svgToPdf(svgElement, margin, scale, callback) {
                var width = (Number(svgElement.getAttribute('width')) + 2 * margin) *
                    scale, height = (Number(svgElement.getAttribute('height')) + 2 * margin) *
                    scale, pdfDoc = new win.jspdf.jsPDF(// eslint-disable-line new-cap
                // setting orientation to portrait if height exceeds width
                height > width ? 'p' : 'l', 'pt', [width, height]);
                // Workaround for #7090, hidden elements were drawn anyway. It comes
                // down to https://github.com/yWorks/svg2pdf.js/issues/28. Check this
                // later.
                [].forEach.call(svgElement.querySelectorAll('*[visibility="hidden"]'), function (node) {
                    node.parentNode.removeChild(node);
                });
                // Workaround for #13948, multiple stops in linear gradient set to 0
                // causing error in Acrobat
                var gradients = svgElement.querySelectorAll('linearGradient');
                for (var index = 0; index < gradients.length; index++) {
                    var gradient = gradients[index];
                    var stops = gradient.querySelectorAll('stop');
                    var i = 0;
                    while (i < stops.length &&
                        stops[i].getAttribute('offset') === '0' &&
                        stops[i + 1].getAttribute('offset') === '0') {
                        stops[i].remove();
                        i++;
                    }
                }
                // Workaround for #15135, zero width spaces, which Highcharts uses
                // to break lines, are not correctly rendered in PDF. Replace it
                // with a regular space and offset by some pixels to compensate.
                [].forEach.call(svgElement.querySelectorAll('tspan'), function (tspan) {
                    if (tspan.textContent === '\u200B') {
                        tspan.textContent = ' ';
                        tspan.setAttribute('dx', -5);
                    }
                });
                pdfDoc.svg(svgElement, {
                    x: 0,
                    y: 0,
                    width: width,
                    height: height,
                    removeInvalid: true
                }).then(function () { return callback(pdfDoc.output('datauristring')); });
            }
            OfflineExporting.svgToPdf = svgToPdf;
        })(OfflineExporting || (OfflineExporting = {}));
        /* *
         *
         * Default Export
         *
         * */

        return OfflineExporting;
    });
    _registerModule(_modules, 'masters/modules/offline-exporting.src.js', [_modules['Core/Globals.js'], _modules['Extensions/DownloadURL.js'], _modules['Extensions/OfflineExporting/OfflineExporting.js']], function (Highcharts, DownloadURL, OfflineExporting) {

        var G = Highcharts;
        // Compatibility
        G.dataURLtoBlob = DownloadURL.dataURLtoBlob;
        G.downloadSVGLocal = OfflineExporting.downloadSVGLocal;
        G.downloadURL = DownloadURL.downloadURL;
        // Compose
        OfflineExporting.compose(G.Chart);

    });
}));