SVG 이미지로 FlexPie 그리기

이 샘플은 drawSvg 메서드를 사용하여 FlexPie를 SVG 이미지로 내보내는 방법을 보여 줍니다.

샘플은 SVG 이미지로 변환되는 FlexChartBase 기반 컨트롤의 기능을 사용합니다. '내보내기' 버튼을 클릭하여 FlexPie 이미지를 PDF 문서에 추가합니다.

Wijmo 알아보기 | Drawing Charts Documentation | PdfDocument API Reference

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import * as chart from '@mescius/wijmo.chart'; import '@mescius/wijmo.chart.render'; import * as pdf from '@mescius/wijmo.pdf'; import { getExpenses } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let flexPie = new chart.FlexPie('#pie', { itemsSource: ((totals) => [ { name: 'Hotel', value: totals.hotel }, { name: 'Transport', value: totals.transport }, { name: 'Meal', value: totals.meal }, { name: 'Fuel', value: totals.fuel }, { name: 'Misc', value: totals.misc } ])(getExpenses().totals), binding: 'value', bindingName: 'name', innerRadius: 0.75, dataLabel: { content: '{value:c1}', position: chart.PieLabelPosition.Inside } }); // document.querySelector('#btnExport').addEventListener('click', () => { let doc = new pdf.PdfDocument({ ended: (sender, args) => pdf.saveBlob(args.blob, 'Document.pdf') }); // flexPie.saveImageToDataUrl(chart.ImageFormat.Svg, (url) => { doc.drawText('Total expenses by category:'); doc.drawSvg(url); doc.end(); }); }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Drawing FlexPie as an SVG image</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="pie"></div> <!-- Export button --> <button class="btn btn-default" id="btnExport">Export</button> </div> </body> </html>
// export function getExpenses() { // [5; 10] let count = 5 + Math.round(Math.random() * 5), ret = { items: [], totals: { hotel: 0, transport: 0, fuel: 0, meal: 0, misc: 0, total: 0 } }, msPerDay = 1000 * 24 * 60 * 60, curDate = Date.now() - 60 * msPerDay; // for (let i = 0; i < count; i++) { let item = { date: new Date(curDate), description: 'Customer visit', hotel: 30 + Math.random() * 200, transport: 10 + Math.random() * 150, fuel: Math.random() * 50, meal: 30 + Math.random() * 170, misc: Math.random() * 220, total: 0 }; // item.total = item.hotel + item.transport + item.fuel + item.meal + item.misc; // ret.totals.fuel += item.fuel; ret.totals.hotel += item.hotel; ret.totals.meal += item.meal; ret.totals.misc += item.misc; ret.totals.total += item.total; ret.totals.transport += item.transport; // ret.items.push(item); // curDate += msPerDay * Math.round(Math.random() * 4); } // return ret; }
body { margin-bottom: 24px; } .wj-flexpie { width: 500px; }
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