PDF:円チャート(ラスター画像)

このサンプルでは、drawImageメソッドを使用してFlexPieをラスター画像としてエクスポートする方法を示します。

このサンプルでは、FlexChartBaseの継承クラスの機能を使用してラスター画像に変換してPDFに出力します。「エクスポート」ボタンをクリックすると、PDFに FlexPie の画像を追加できます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as chart from '@grapecity/wijmo.chart'; import '@grapecity/wijmo.chart.render'; import * as pdf from '@grapecity/wijmo.pdf'; import { getExpenses } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let flexPie = new chart.FlexPie('#pie', { itemsSource: ((totals) => [ { name: '宿泊費', value: totals.hotel }, { name: '交通費', value: totals.transport }, { name: '食事代', value: totals.meal }, { name: '燃料費', value: totals.fuel }, { name: 'その他', 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') }); doc.registerFont({ source: 'https://demo.grapecity.com/wijmo/sample/fonts/ipaexg.ttf', name: 'ipaexg' }); doc.setFont(new pdf.PdfFont('ipaexg')); // flexPie.saveImageToDataUrl(chart.ImageFormat.Png, (url) => { doc.drawText('分類別の費用合計:'); doc.drawImage(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 a raster image</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></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">エクスポート</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: '顧客訪問', 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; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js', '@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js', '@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js', '@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js', '@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js', '@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js', '@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js', '@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js', '@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js', '@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js', '@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js', '@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/wijmo.barcode.specialized/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'css': 'npm:systemjs-plugin-css/css.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);