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Charts

Export Custom Markup

The DevExpress.viz.exportFromMarkup(markup, options) method allows you to export SVG content, including SVG-based DevExtreme widgets, to an image or document.

The markup parameter accepts valid SVG markup (see the prepareMarkup() function in the code). To get the markup of a widget, call its svg() method. The options parameter accepts an object whose fields configure export options. In this demo, we specify the width, height, format, and svgToCanvas fields. Refer to the method description for more information on these and other available fields.

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<template> <div id="chart-demo"> <div class="chart_environment"> <Form ref="form"/> <DxChart id="chart" ref="chart" :data-source="dataSource" palette="Violet" > <DxCommonSeriesSettings :bar-padding="0.3" argument-field="state" type="bar" /> <DxSeries value-field="year1990" name="1990" /> <DxSeries value-field="year2000" name="2000" /> <DxSeries value-field="year2010" name="2010" /> <DxSeries value-field="year2016" name="2016" /> <DxSeries value-field="year2017" name="2017" /> <DxLegend vertical-alignment="bottom" horizontal-alignment="center" /> <DxTitle text="Oil Production" subtitle="(in millions tonnes)" /> </DxChart> </div> <div class="controls-pane"> <DxButton id="export" :width="145" icon="export" type="default" text="Export" @click="onClick()" /> </div> </div> </template> <script> function prepareMarkup(chartSVG, markup) { return '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="820px" height="420px">' + `${markup}<g transform="translate(305,12)">${chartSVG}</g></svg>`; } import { DxChart, DxSeries, DxCommonSeriesSettings, DxLegend, DxExport, DxTitle } from 'devextreme-vue/chart'; import { exportFromMarkup } from 'devextreme/viz/export'; import DxButton from 'devextreme-vue/button'; import { dataSource } from './data.js'; import Form from './Form.vue'; import toCanvas from 'canvg'; export default { components: { DxChart, DxSeries, DxCommonSeriesSettings, DxLegend, DxExport, DxTitle, Form, DxButton }, data() { return { dataSource }; }, methods: { onClick() { const chartSVG = this.$refs.chart.instance.svg(); const formContent = this.$refs.form.getMarkup(); exportFromMarkup(prepareMarkup(chartSVG, formContent), { width: 820, height: 420, margin: 0, format: 'png', svgToCanvas(svg, canvas) { return new Promise((resolve) => { toCanvas(canvas, new XMLSerializer().serializeToString(svg), { ignoreDimensions: true, ignoreClear: true, renderCallback: resolve }); }); } }); } }, }; </script> <style> #chart-demo { height: 460px; } #chart { position: absolute; top: 12px; right: 35px; width: 480px; height: 347px; } .chart_environment { width: 820px; position: relative; margin: 0 auto; } .controls-pane { display: block; text-align: center; } </style>
<template> <div class="custom_markup_container"> <svg version="1.1" width="820px" height="420px" > <path d="M 13 407 L 128 407 L 232 39 L 13 39" fill="#6D39C3" /> <path d="M 46 381 L 161 381 L 265 13 L 46 13" opacity="0.5" fill="#6D39C3" /> <path d="M 638 365 L 630 396 L 799 396 L 807 365" fill="#6D39C3" /> <path d="M 609 376 L 601 407 L 770 407 L 778 376" opacity="0.5" fill="#6D39C3" /> <text transform="translate(30,89)" style="fill: #FFFFFF; font-family: 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana, sans-serif; font-size: 36px; font-weight: bold;" > <tspan x="0" y="0" >Export </tspan> <tspan x="0" y="38" >Custom</tspan> <tspan x="0" y="76" >Markup</tspan> </text> <text transform="translate(32,199)" style="opacity: 0.8; fill: #FFFFFF;font-family: 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana, sans-serif;font-size: 14px;" > <tspan x="0" y="0" >Export a chart with</tspan> <tspan x="0" y="19.2" >custom elements</tspan> </text> <text x="650" y="385" style="opacity: 0.8;fill: #FFFFFF;font-family: 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana, sans-serif;font-size: 12px;" >UNdata (www.data.un.org)</text> <path opacity="0.8" d="M 0 0 L 820 0 L 820 420 L 0 420 L 0 0" stroke="#999999" stroke-width="1" stroke-linecap="butt" fill="none" stroke-linejoin="miter" /> </svg> </div> </template> <script> export default { methods: { getMarkup() { return this.$el.innerHTML; } } }; </script>
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import('./index.js'); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
export const dataSource = [{ state: 'Saudi Arabia', year1990: 319.6, year2000: 408.4, year2010: 407, year2016: 523, year2017: 496.6 }, { state: 'USA', year1990: 362.8, year2000: 287.9, year2010: 270.2, year2016: 438, year2017: 461.4 }, { state: 'China', year1990: 138.3, year2000: 163, year2010: 203, year2016: 199.7, year2017: 191.5 }];
System.config({ transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader' }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'stackblur-canvas': 'npm:stackblur-canvas@2.4.0/dist/stackblur.min.js', 'rgbcolor': 'npm:rgbcolor@1.0.1/index.js', 'canvg': 'npm:canvg@2.0.0/dist/browser/canvg.min.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.3', 'devextreme-vue': 'npm:devextreme-vue@20.2.3', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.5/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.0/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.0/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.5/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.5/hooks/dist/hooks.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js' }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });