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Export Custom Markup

The DevExpress.viz.exportFromMarkup(markup, options) method allows you to export SVG content, including SVG-based DevExtreme components, 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 component, call its svg() method. The options parameter accepts an object whose fields configure export properties. 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.

Backend API
<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 setup lang="ts"> import { ref } from 'vue'; import { DxChart, DxSeries, DxCommonSeriesSettings, DxLegend, DxTitle, } from 'devextreme-vue/chart'; import { exportFromMarkup } from 'devextreme/viz/export'; import DxButton from 'devextreme-vue/button'; // import toCanvas from 'canvg'; import { dataSource } from './data.ts'; import Form from './Form.vue'; const form = ref(); const chart = ref(); const prepareMarkup = (chartSVG, markup) => { const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg'); svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg'); svg.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink'); svg.setAttribute('version', '1.1'); svg.setAttribute('width', '820px'); svg.setAttribute('height', '420px'); svg.innerHTML = markup; const group = document.createElementNS('http://www.w3.org/2000/svg', 'g'); group.setAttribute('transform', 'translate(305,12)'); group.innerHTML = chartSVG; svg.appendChild(group); return svg; }; function onClick() { const chartSVG = chart.value.instance.svg(); const formContent = form.value.getMarkup(); exportFromMarkup(prepareMarkup(chartSVG, formContent), { width: 820, height: 420, margin: 0, format: 'png', // eslint-disable-next-line no-unused-vars svgToCanvas(svg, canvas) { // eslint-disable-next-line no-unused-vars 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>
<!-- eslint-disable vue/max-len --> <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" /> <text transform="translate(30,89)" style="fill: #fff; 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: #fff; 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> <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 setup lang="ts"> defineExpose({ getMarkup() { return this.$el.innerHTML; }, }); </script>
window.exports = window.exports || {}; window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, '*.ts': { loader: 'demo-ts-loader', }, '*.svg': { loader: 'svg-loader', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, }, paths: { 'root:': '../../../../', 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.2.47/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.1.1/index.js', 'demo-ts-loader': 'root:utils/demo-ts-loader.js', 'svg-loader': 'root:utils/svg-loader.js', 'stackblur-canvas': 'npm:stackblur-canvas@2.6.0/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@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@24.1.4/cjs', 'devextreme-vue': 'npm:devextreme-vue@24.1.4/cjs', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.10/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.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', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.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', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.13/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);
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, }];
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html lang="en"> <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=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.4/css/dx.light.css" /> <script src="https://unpkg.com/typescript@4.9.5/lib/typescript.js"></script> <script type="module"> import * as vueCompilerSFC from "https://unpkg.com/@vue/compiler-sfc@3.4.16/dist/compiler-sfc.esm-browser.js"; window.vueCompilerSFC = vueCompilerSFC; </script> <script src="https://unpkg.com/core-js@2.6.12/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.ts"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>