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.

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$(() => { const chart = $('#chart').dxChart({ palette: 'Violet', dataSource, commonSeriesSettings: { barPadding: 0.3, argumentField: 'state', type: 'bar', }, series: [ { valueField: 'year1990', name: '1990', }, { valueField: 'year2000', name: '2000', }, { valueField: 'year2010', name: '2010', }, { valueField: 'year2016', name: '2016', }, { valueField: 'year2017', name: '2017', }, ], legend: { verticalAlignment: 'bottom', horizontalAlignment: 'center', }, title: { text: 'Oil Production', subtitle: { text: '(in millions tonnes)', }, }, }).dxChart('instance'); $('#export').dxButton({ icon: 'export', text: 'Export', type: 'default', width: 145, onClick() { DevExpress.viz.exportFromMarkup(prepareMarkup(), { width: 820, height: 420, margin: 0, format: 'png', svgToCanvas(svg, canvas) { const deferred = $.Deferred(); canvas.getContext('2d') .drawSvg(new XMLSerializer().serializeToString(svg), 0, 0, null, null, { renderCallback: deferred.resolve, }); return deferred.promise(); }, }); }, }); function prepareMarkup() { return `<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="820px" height="420px">${ $('#custom_markup_container').html() }<g transform="translate(305,12)">${ chart.svg() }</g>` + '</svg>'; } });

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/23.1.5/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> <script src="https://cdn.jsdelivr.net/npm/canvg/dist/browser/canvg.min.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="chart-demo"> <div class="chart_environment"> <div id="custom_markup_container"> <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="820px" height="420px"> <path d="M 13 407 L 128 407 L 232 39 L 13 39" fill="#6D39C3"></path> <path d="M 46 381 L 161 381 L 265 13 L 46 13" opacity="0.5" fill="#6D39C3"></path> <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> <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"></path> </svg> </div> <div id="chart"></div> </div> <div class="controls-pane"> <div id="export"></div> </div> </div> </div> </body> </html>

#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 { text-align: center; }

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, }];