937 lines
43 KiB
JavaScript
937 lines
43 KiB
JavaScript
/**
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* @license Highcharts JS v11.4.1 (2024-04-04)
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*
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* Client side exporting module
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*
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* (c) 2015-2024 Torstein Honsi / Oystein Moseng
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*
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* License: www.highcharts.com/license
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*/
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(function (factory) {
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if (typeof module === 'object' && module.exports) {
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factory['default'] = factory;
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module.exports = factory;
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} else if (typeof define === 'function' && define.amd) {
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define('highcharts/modules/offline-exporting', ['highcharts', 'highcharts/modules/exporting'], function (Highcharts) {
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factory(Highcharts);
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factory.Highcharts = Highcharts;
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return factory;
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});
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} else {
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factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
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}
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}(function (Highcharts) {
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'use strict';
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var _modules = Highcharts ? Highcharts._modules : {};
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function _registerModule(obj, path, args, fn) {
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if (!obj.hasOwnProperty(path)) {
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obj[path] = fn.apply(null, args);
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if (typeof CustomEvent === 'function') {
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window.dispatchEvent(new CustomEvent(
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'HighchartsModuleLoaded',
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{ detail: { path: path, module: obj[path] } }
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));
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}
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}
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}
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_registerModule(_modules, 'Extensions/DownloadURL.js', [_modules['Core/Globals.js']], function (H) {
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/* *
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*
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* (c) 2015-2024 Oystein Moseng
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* Mixin for downloading content in the browser
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*
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* */
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/* *
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*
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* Imports
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*
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* */
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const { isSafari, win, win: { document: doc } } = H;
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/* *
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*
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* Constants
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*
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* */
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const domurl = win.URL || win.webkitURL || win;
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/* *
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*
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* Functions
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*
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* */
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/**
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* Convert base64 dataURL to Blob if supported, otherwise returns undefined.
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* @private
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* @function Highcharts.dataURLtoBlob
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* @param {string} dataURL
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* URL to convert
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* @return {string|undefined}
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* Blob
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*/
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function dataURLtoBlob(dataURL) {
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const parts = dataURL
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.replace(/filename=.*;/, '')
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.match(/data:([^;]*)(;base64)?,([0-9A-Za-z+/]+)/);
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if (parts &&
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parts.length > 3 &&
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(win.atob) &&
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win.ArrayBuffer &&
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win.Uint8Array &&
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win.Blob &&
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(domurl.createObjectURL)) {
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// Try to convert data URL to Blob
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const binStr = win.atob(parts[3]), buf = new win.ArrayBuffer(binStr.length), binary = new win.Uint8Array(buf);
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for (let i = 0; i < binary.length; ++i) {
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binary[i] = binStr.charCodeAt(i);
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}
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return domurl
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.createObjectURL(new win.Blob([binary], { 'type': parts[1] }));
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}
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}
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/**
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* Download a data URL in the browser. Can also take a blob as first param.
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*
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* @private
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* @function Highcharts.downloadURL
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* @param {string|global.URL} dataURL
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* The dataURL/Blob to download
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* @param {string} filename
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* The name of the resulting file (w/extension)
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* @return {void}
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*/
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function downloadURL(dataURL, filename) {
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const nav = win.navigator, a = doc.createElement('a');
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// IE specific blob implementation
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// Don't use for normal dataURLs
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if (typeof dataURL !== 'string' &&
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!(dataURL instanceof String) &&
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nav.msSaveOrOpenBlob) {
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nav.msSaveOrOpenBlob(dataURL, filename);
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return;
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}
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dataURL = '' + dataURL;
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const // Some browsers have limitations for data URL lengths. Try to convert
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// to Blob or fall back. Edge always needs that blob.
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isOldEdgeBrowser = /Edge\/\d+/.test(nav.userAgent),
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// Safari on iOS needs Blob in order to download PDF
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safariBlob = (isSafari &&
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typeof dataURL === 'string' &&
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dataURL.indexOf('data:application/pdf') === 0);
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if (safariBlob || isOldEdgeBrowser || dataURL.length > 2000000) {
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dataURL = dataURLtoBlob(dataURL) || '';
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if (!dataURL) {
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throw new Error('Failed to convert to blob');
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}
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}
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// Try HTML5 download attr if supported
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if (typeof a.download !== 'undefined') {
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a.href = dataURL;
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a.download = filename; // HTML5 download attribute
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doc.body.appendChild(a);
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a.click();
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doc.body.removeChild(a);
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}
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else {
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// No download attr, just opening data URI
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try {
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if (!win.open(dataURL, 'chart')) {
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throw new Error('Failed to open window');
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}
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}
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catch {
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// If window.open failed, try location.href
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win.location.href = dataURL;
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}
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}
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}
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/* *
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*
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* Default Export
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*
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* */
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const DownloadURL = {
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dataURLtoBlob,
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downloadURL
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};
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return DownloadURL;
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});
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_registerModule(_modules, 'Extensions/OfflineExporting/OfflineExportingDefaults.js', [], function () {
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/* *
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*
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* (c) 2010-2024 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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/* *
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*
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* Declarations
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*
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* */
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const OfflineExportingDefaults = {
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libURL: 'https://code.highcharts.com/11.4.1/lib/',
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// When offline-exporting is loaded, redefine the menu item definitions
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// related to download.
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menuItemDefinitions: {
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downloadPNG: {
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textKey: 'downloadPNG',
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onclick: function () {
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this.exportChartLocal();
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}
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},
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downloadJPEG: {
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textKey: 'downloadJPEG',
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onclick: function () {
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this.exportChartLocal({
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type: 'image/jpeg'
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});
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}
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},
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downloadSVG: {
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textKey: 'downloadSVG',
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onclick: function () {
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this.exportChartLocal({
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type: 'image/svg+xml'
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});
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}
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},
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downloadPDF: {
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textKey: 'downloadPDF',
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onclick: function () {
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this.exportChartLocal({
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type: 'application/pdf'
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});
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}
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}
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}
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};
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/* *
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*
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* Default Export
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*
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* */
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return OfflineExportingDefaults;
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});
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_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) {
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/* *
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*
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* Client side exporting module
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*
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* (c) 2015 Torstein Honsi / Oystein Moseng
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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const { defaultOptions } = D;
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const { downloadURL } = DownloadURL;
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const { doc, win } = H;
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const { ajax } = HU;
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const { addEvent, error, extend, fireEvent, merge } = U;
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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');
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AST.allowedTags.push('desc', 'clippath', 'g');
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/* *
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*
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* Composition
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*
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* */
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var OfflineExporting;
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(function (OfflineExporting) {
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/* *
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*
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* Declarations
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*
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* */
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/* *
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*
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* Constants
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*
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* */
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// Dummy object so we can reuse our canvas-tools.js without errors
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OfflineExporting.CanVGRenderer = {}, OfflineExporting.domurl = win.URL || win.webkitURL || win,
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// Milliseconds to defer image load event handlers to offset IE bug
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OfflineExporting.loadEventDeferDelay = H.isMS ? 150 : 0;
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/* *
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*
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* Functions
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*
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* */
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/* eslint-disable valid-jsdoc */
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/**
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* Extends OfflineExporting with Chart.
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* @private
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*/
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function compose(ChartClass) {
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const chartProto = ChartClass.prototype;
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if (!chartProto.exportChartLocal) {
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chartProto.getSVGForLocalExport = getSVGForLocalExport;
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chartProto.exportChartLocal = exportChartLocal;
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// Extend the default options to use the local exporter logic
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merge(true, defaultOptions.exporting, OfflineExportingDefaults);
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}
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return ChartClass;
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}
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OfflineExporting.compose = compose;
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/**
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* Get data URL to an image of an SVG and call download on it options
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* object:
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* - **filename:** Name of resulting downloaded file without extension.
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* Default is `chart`.
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*
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* - **type:** File type of resulting download. Default is `image/png`.
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*
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* - **scale:** Scaling factor of downloaded image compared to source.
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* Default is `1`.
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*
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* - **libURL:** URL pointing to location of dependency scripts to download
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* on demand. Default is the exporting.libURL option of the global
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* Highcharts options pointing to our server.
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*
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* @function Highcharts.downloadSVGLocal
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*
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* @param {string} svg
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* The generated SVG
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*
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* @param {Highcharts.ExportingOptions} options
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* The exporting options
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*
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* @param {Function} failCallback
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* The callback function in case of errors
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*
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* @param {Function} [successCallback]
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* The callback function in case of success
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*
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*/
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function downloadSVGLocal(svg, options, failCallback, successCallback) {
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const dummySVGContainer = doc.createElement('div'), imageType = options.type || 'image/png', filename = ((options.filename || 'chart') +
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'.' +
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(imageType === 'image/svg+xml' ?
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'svg' : imageType.split('/')[1])), scale = options.scale || 1;
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let svgurl, blob, finallyHandler, libURL = (options.libURL || defaultOptions.exporting.libURL), objectURLRevoke = true, pdfFont = options.pdfFont;
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// Allow libURL to end with or without fordward slash
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libURL = libURL.slice(-1) !== '/' ? libURL + '/' : libURL;
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/*
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* Detect if we need to load TTF fonts for the PDF, then load them and
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* proceed.
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*
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* @private
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*/
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const loadPdfFonts = (svgElement, callback) => {
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const hasNonASCII = (s) => (
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// eslint-disable-next-line no-control-regex
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/[^\u0000-\u007F\u200B]+/.test(s));
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// Register an event in order to add the font once jsPDF is
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// initialized
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const addFont = (variant, base64) => {
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win.jspdf.jsPDF.API.events.push([
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'initialized',
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function () {
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this.addFileToVFS(variant, base64);
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this.addFont(variant, 'HighchartsFont', variant);
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if (!this.getFontList().HighchartsFont) {
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this.setFont('HighchartsFont');
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}
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}
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]);
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};
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// If there are no non-ASCII characters in the SVG, do not use
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// bother downloading the font files
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if (pdfFont && !hasNonASCII(svgElement.textContent || '')) {
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pdfFont = void 0;
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}
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// Add new font if the URL is declared, #6417.
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const variants = ['normal', 'italic', 'bold', 'bolditalic'];
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// Shift the first element off the variants and add as a font.
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// Then asynchronously trigger the next variant until calling the
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// callback when the variants are empty.
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let normalBase64;
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const shiftAndLoadVariant = () => {
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const variant = variants.shift();
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// All variants shifted and possibly loaded, proceed
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if (!variant) {
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return callback();
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}
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const url = pdfFont && pdfFont[variant];
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if (url) {
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ajax({
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url,
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responseType: 'blob',
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success: (data, xhr) => {
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const reader = new FileReader();
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reader.onloadend = function () {
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if (typeof this.result === 'string') {
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const base64 = this.result.split(',')[1];
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addFont(variant, base64);
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if (variant === 'normal') {
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normalBase64 = base64;
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}
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}
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shiftAndLoadVariant();
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};
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reader.readAsDataURL(xhr.response);
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},
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error: shiftAndLoadVariant
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});
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}
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else {
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// For other variants, fall back to normal text weight/style
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if (normalBase64) {
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addFont(variant, normalBase64);
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}
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shiftAndLoadVariant();
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}
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};
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shiftAndLoadVariant();
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};
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/*
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* @private
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*/
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const downloadPDF = () => {
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AST.setElementHTML(dummySVGContainer, svg);
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const textElements = dummySVGContainer.getElementsByTagName('text'),
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// Copy style property to element from parents if it's not
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// there. Searches up hierarchy until it finds prop, or hits the
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// chart container.
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setStylePropertyFromParents = function (el, propName) {
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let curParent = el;
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while (curParent && curParent !== dummySVGContainer) {
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if (curParent.style[propName]) {
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let value = curParent.style[propName];
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if (propName === 'fontSize' && /em$/.test(value)) {
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value = Math.round(parseFloat(value) * 16) + 'px';
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}
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el.style[propName] = value;
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break;
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}
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curParent = curParent.parentNode;
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}
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};
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let titleElements, outlineElements;
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// Workaround for the text styling. Making sure it does pick up
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// settings for parent elements.
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[].forEach.call(textElements, function (el) {
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// Workaround for the text styling. making sure it does pick up
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// the root element
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['fontFamily', 'fontSize']
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.forEach((property) => {
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setStylePropertyFromParents(el, property);
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});
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el.style.fontFamily = pdfFont && pdfFont.normal ?
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// Custom PDF font
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'HighchartsFont' :
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// Generic font (serif, sans-serif etc)
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String(el.style.fontFamily &&
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el.style.fontFamily.split(' ').splice(-1));
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// Workaround for plotband with width, removing title from text
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// nodes
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titleElements = el.getElementsByTagName('title');
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[].forEach.call(titleElements, function (titleElement) {
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el.removeChild(titleElement);
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});
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// Remove all .highcharts-text-outline elements, #17170
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outlineElements =
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el.getElementsByClassName('highcharts-text-outline');
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while (outlineElements.length > 0) {
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el.removeChild(outlineElements[0]);
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}
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});
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const svgNode = dummySVGContainer.querySelector('svg');
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if (svgNode) {
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loadPdfFonts(svgNode, () => {
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svgToPdf(svgNode, 0, scale, (pdfData) => {
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try {
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downloadURL(pdfData, filename);
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if (successCallback) {
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successCallback();
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}
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}
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catch (e) {
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failCallback(e);
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}
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});
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});
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}
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};
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// Initiate download depending on file type
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if (imageType === 'image/svg+xml') {
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// SVG download. In this case, we want to use Microsoft specific
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// Blob if available
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try {
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if (typeof win.MSBlobBuilder !== 'undefined') {
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blob = new win.MSBlobBuilder();
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blob.append(svg);
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svgurl = blob.getBlob('image/svg+xml');
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}
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else {
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svgurl = svgToDataUrl(svg);
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}
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downloadURL(svgurl, filename);
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if (successCallback) {
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successCallback();
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}
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}
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catch (e) {
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failCallback(e);
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}
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}
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else if (imageType === 'application/pdf') {
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if (win.jspdf && win.jspdf.jsPDF) {
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downloadPDF();
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}
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else {
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// Must load pdf libraries first. // Don't destroy the object
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// URL yet since we are doing things asynchronously. A cleaner
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// solution would be nice, but this will do for now.
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objectURLRevoke = true;
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getScript(libURL + 'jspdf.js', function () {
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getScript(libURL + 'svg2pdf.js', downloadPDF);
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});
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}
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}
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else {
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// PNG/JPEG download - create bitmap from SVG
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svgurl = svgToDataUrl(svg);
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finallyHandler = function () {
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try {
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OfflineExporting.domurl.revokeObjectURL(svgurl);
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}
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catch (e) {
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// Ignore
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}
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};
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// First, try to get PNG by rendering on canvas
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imageToDataUrl(svgurl, imageType, {}, scale, function (imageURL) {
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// Success
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try {
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downloadURL(imageURL, filename);
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if (successCallback) {
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successCallback();
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}
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}
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catch (e) {
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failCallback(e);
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}
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}, function () {
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// Failed due to tainted canvas
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// Create new and untainted canvas
|
|
const 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 () {
|
|
const 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) {
|
|
const 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, () => 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) {
|
|
const 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) {
|
|
const 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) {
|
|
const chart = this,
|
|
// After grabbing the SVG of the chart's copy container we need
|
|
// to do sanitation on the SVG
|
|
sanitize = (svg) => chart.sanitizeSVG(svg, chartCopyOptions),
|
|
// When done with last image we have our SVG
|
|
checkDone = () => {
|
|
if (images && imagesEmbedded === imagesLength) {
|
|
successCallback(sanitize(chartCopyContainer.innerHTML));
|
|
}
|
|
},
|
|
// Success handler, we converted image to base64!
|
|
embeddedSuccess = (imageURL, imageType, callbackArgs) => {
|
|
++imagesEmbedded;
|
|
// Change image href in chart copy
|
|
callbackArgs.imageElement.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageURL);
|
|
checkDone();
|
|
};
|
|
let 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', (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 (let 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) {
|
|
let img = new win.Image(), taintedHandler;
|
|
const loadHandler = () => {
|
|
setTimeout(function () {
|
|
const canvas = doc.createElement('canvas'), ctx = canvas.getContext && canvas.getContext('2d');
|
|
let 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 = () => {
|
|
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 = () => {
|
|
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
|
|
const userAgent = win.navigator.userAgent;
|
|
const 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 don't 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) {
|
|
const 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
|
|
const gradients = svgElement.querySelectorAll('linearGradient');
|
|
for (let index = 0; index < gradients.length; index++) {
|
|
const gradient = gradients[index];
|
|
const stops = gradient.querySelectorAll('stop');
|
|
let 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'), (tspan) => {
|
|
if (tspan.textContent === '\u200B') {
|
|
tspan.textContent = ' ';
|
|
tspan.setAttribute('dx', -5);
|
|
}
|
|
});
|
|
pdfDoc.svg(svgElement, {
|
|
x: 0,
|
|
y: 0,
|
|
width,
|
|
height,
|
|
removeInvalid: true
|
|
}).then(() => 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) {
|
|
|
|
const G = Highcharts;
|
|
// Compatibility
|
|
G.dataURLtoBlob = G.dataURLtoBlob || DownloadURL.dataURLtoBlob;
|
|
G.downloadSVGLocal = OfflineExporting.downloadSVGLocal;
|
|
G.downloadURL = G.downloadURL || DownloadURL.downloadURL;
|
|
// Compose
|
|
OfflineExporting.compose(G.Chart);
|
|
|
|
return Highcharts;
|
|
});
|
|
})); |