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.
Feel free to share demo-related thoughts here.
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If you have technical questions, please create a support ticket in the DevExpress Support Center.
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import React from 'react';
import {
Chart, CommonSeriesSettings, Series, Legend, Title, Subtitle,
} from 'devextreme-react/chart';
import { Button } from 'devextreme-react/button';
import { exportFromMarkup } from 'devextreme/viz/export';
import toCanvas from 'canvg';
import { dataSource } from './data.js';
import Form from './Form.js';
const barPadding = 0.3;
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>`;
}
class App extends React.Component {
constructor(props) {
super(props);
this.chartRef = React.createRef();
this.onClick = this.onClick.bind(this);
this.onRef = this.onRef.bind(this);
}
render() {
return (
<div id="chart-demo">
<div className="chart_environment">
<Form onRef={this.onRef} />
<Chart
ref={this.chartRef}
id="chart"
dataSource={dataSource}
palette="Violet"
>
<CommonSeriesSettings barPadding={barPadding} argumentField="state" type="bar" />
<Series valueField="year1990" name="1990" />
<Series valueField="year2000" name="2000" />
<Series valueField="year2010" name="2010" />
<Series valueField="year2016" name="2016" />
<Series valueField="year2017" name="2017" />
<Legend verticalAlignment="bottom" horizontalAlignment="center" />
<Title text="Oil Production">
<Subtitle text="(in millions tonnes)" />
</Title>
</Chart>
</div>
<div className="controls-pane">
<Button
id="export"
width={145}
icon="export"
text="Export"
type="default"
onClick={this.onClick}
/>
</div>
</div>
);
}
get chart() {
return this.chartRef.current.instance;
}
onClick() {
exportFromMarkup(prepareMarkup(this.chart.svg(), this.child.getElement().innerHTML), {
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,
});
});
},
});
}
onRef(arg) {
this.child = arg;
}
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(
<App />,
document.getElementById('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/22.2.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<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.js");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></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;
}
import React from 'react';
const fontFamily = "'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana, sans-serif";
class Form extends React.Component {
componentDidMount() {
this.props.onRef(this);
}
render() {
return (
<div id="custom_markup_container" ref={(node) => { this.node = node; }}>
<svg 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', fontFamily, fontSize: 36, fontWeight: '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', fontFamily, fontSize: 14,
}}>
<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" strokeWidth="1"
strokeLinecap="butt" fill="none" strokeLinejoin="miter"></path>
</svg>
</div>
);
}
getElement() {
return this.node;
}
}
export default Form;
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,
}];
window.config = {
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'stackblur-canvas': 'npm:stackblur-canvas@2.5.0/dist/stackblur.min.js',
'rgbcolor': 'npm:rgbcolor@1.0.1/index.js',
'canvg': 'npm:canvg@2.0.0/dist/browser/canvg.min.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@22.2.6/cjs',
'devextreme-react': 'npm:devextreme-react@22.2.6',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.72/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.43/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'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',
// SystemJS plugins
'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@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.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@3.0.11/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);