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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). If the exported document should contain an SVG-based DevExtreme widget, call the svg() method to get its markup.

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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<div class="chart_environment"> <div id="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> <path d="M 46 381 L 161 381 L 265 13 L 46 13" opacity="0.5" fill="#6D39C3"></path> <path d="M 638 365 L 630 396 L 799 396 L 807 365" fill="#6D39C3"></path> <path d="M 609 376 L 601 407 L 770 407 L 778 376" 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> <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"></path> </svg> </div> <dx-chart id="chart" [dataSource]="oilProductionData" palette="Violet"> <dxi-series valueField="year1990" name="1990"></dxi-series> <dxi-series valueField="year2000" name="2000"></dxi-series> <dxi-series valueField="year2010" name="2010"></dxi-series> <dxi-series valueField="year2016" name="2016"></dxi-series> <dxi-series valueField="year2017" name="2017"></dxi-series> <dxo-common-series-settings argumentField="state" type="bar" [barPadding]="0.3"> </dxo-common-series-settings> <dxo-legend verticalAlignment="bottom" horizontalAlignment="center"> </dxo-legend> <dxo-title text="Oil Production"> <dxo-subtitle text="(in millions tonnes)"></dxo-subtitle> </dxo-title> </dx-chart> </div> <div class="controls-pane"> <dx-button icon="export" text="Export" type="default" [width]="145" (onClick)="export()"> </dx-button> </div>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxChartModule, DxChartComponent, DxButtonModule } from 'devextreme-angular'; import { Service, OilProductionDataItem } from './app.service'; import { exportFromMarkup } from 'devextreme/viz/export'; import canvg from 'canvg'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [Service], templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { @ViewChild(DxChartComponent, { static: false }) chart: DxChartComponent; oilProductionData: OilProductionDataItem[]; constructor(service: Service) { this.oilProductionData = service.getOilProductionData(); } export() { exportFromMarkup(this.prepareMarkup(), { width: 820, height: 420, margin: 0, format: "png", svgToCanvas(svg, canvas) { return new Promise((resolve) => { canvg(canvas, new XMLSerializer().serializeToString(svg), { ignoreDimensions: true, ignoreClear: true, renderCallback: resolve }); }) } }); } 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">' + document.getElementById('custom_markup_container').innerHTML + '<g transform="translate(305,12)">' + this.chart.instance.svg() + '</g>' + '</svg>'; } } @NgModule({ imports: [ BrowserModule, DxChartModule, DxButtonModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart-demo { height: 460px; } ::ng-deep #chart { position: absolute; top: 12px; right: 35px; width: 480px; height: 347px; } ::ng-deep .chart_environment { width: 820px; position: relative; margin: 0 auto; } ::ng-deep .controls-pane { text-align: center; }
import { Injectable } from '@angular/core'; export class OilProductionDataItem { state: string; year1990: number; year2000: number; year2010: number; year2016: number; year2017: number; } let oilProductionData: OilProductionDataItem[] = [{ 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 }]; @Injectable() export class Service { getOilProductionData(): OilProductionDataItem[] { return oilProductionData; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.4.5/lib/typescript.js', '@angular/core': 'npm:@angular/core@8.0.0/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@8.0.0/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@8.0.0/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@8.0.0/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@8.0.0/bundles/platform-browser-dynamic.umd.js', '@angular/router': 'npm:@angular/router@8.0.0/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@8.0.0/bundles/forms.umd.js', '@angular/common/http': 'npm:@angular/common@8.0.0/bundles/common-http.umd.js', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs@6.3.3', 'rxjs/operators': 'npm:rxjs@6.3.3/operators', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', 'devextreme': 'npm:devextreme@19.2', 'devextreme-angular': 'npm:devextreme-angular@19.2', 'stackblur-canvas': 'npm:stackblur-canvas', 'rgbcolor': 'npm:rgbcolor', 'canvg': 'npm:canvg@2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'rxjs': { main: 'index.js', defaultExtension: 'js' }, 'rxjs/operators': { main: 'index.js', defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!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" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="config.js"></script> <script> System.import('app').catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>