Chart print in EJ2 JavaScript Chart control
12 Jan 202424 minutes to read
The rendered chart can be printed directly from the browser by calling the public method print. ID of the chart div element must be passed as argument to that method.
var chart = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis:
{
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
//Initializing Chart title
title: 'Sales Comparision',
}, '#element');
document.getElementById('print').onclick = () => {
chart.print();
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element" style="float: left "></div>
<button id="print" type="button" width="15%" style="float: right">Print</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Export
The rendered chart can be exported to JPEG, PNG, SVG, PDF, XLSX, or CSV format using the export method in chart. The input parameters for this method are type for format and fileName for result.
The optional parameters for this method are,
-
orientation- either portrait or landscape mode during PDF export, -
controls- pass collections of controls for multiple export, -
width- width of chart export, and -
height- height of chart export.
var chart = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis:
{
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
//Initializing Chart title
title: 'Sales Comparision',
}, '#element');
document.getElementById('print').onclick = () => {
chart.export('PNG', 'result');
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element" style="float: left "></div>
<div id="element1" style="float: left "></div>
<button id="print" type="button" width="15%" style="float: right">Export</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Adding header and footer in PDF export
In the export method, specify the following parameters to add a header and footer text to the exported PDF document:
-
header- Specify the text that should appear at the top of the exported PDF document. -
footer- Specify the text that should appear at the bottom of the exported PDF document.
var chart = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis:
{
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
//Initializing Chart title
title: 'Sales Comparision',
}, '#element');
document.getElementById('export').onclick = () => {
const header = {
content: 'Chart Header',
fontSize: 15
};
const footer = {
content: 'Chart Footer',
fontSize: 15,
};
chart.exportModule.export('PDF', 'Chart', 1, [chart], null, null, true, header, footer);
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element" style="float: left "></div>
<div id="element1" style="float: left "></div>
<button id="export" type="button" width="15%" style="float: right">Export</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Exporting charts into separate page during the PDF export
During PDF export, set the exportToMultiplePage parameter to true to export each chart as a separate page.
var chart = new ej.charts.Chart({
primaryXAxis: {
valueType: 'DateTime',
labelFormat: 'y',
intervalType: 'Years',
edgeLabelPlacement: 'Shift',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis:
{
labelFormat: '{value}%',
rangePadding: 'None',
minimum: 0,
maximum: 100,
interval: 20,
lineStyle: { width: 0 },
majorTickLines: { width: 0 },
minorTickLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Line',
dataSource: [{ x: new Date(2005, 0, 1), y: 21 }, { x: new Date(2006, 0, 1), y: 24 },
{ x: new Date(2007, 0, 1), y: 36 }, { x: new Date(2008, 0, 1), y: 38 },
{ x: new Date(2009, 0, 1), y: 54 }, { x: new Date(2010, 0, 1), y: 57 },
{ x: new Date(2011, 0, 1), y: 70 }
],
xName: 'x', width: 2, yName: 'y', name: 'Germany',
marker: { visible: true, width: 10, height: 10 },
},
{
type: 'Line',
dataSource: [{ x: new Date(2005, 0, 1), y: 28 }, { x: new Date(2006, 0, 1), y: 44 },
{ x: new Date(2007, 0, 1), y: 48 }, { x: new Date(2008, 0, 1), y: 50 },
{ x: new Date(2009, 0, 1), y: 66 }, { x: new Date(2010, 0, 1), y: 78 },
{ x: new Date(2011, 0, 1), y: 84 }
],
xName: 'x', width: 2, yName: 'y', name: 'England',
marker: { visible: true, width: 10, height: 10 },
}
],
title: 'Medal Count',
}, '#element');
var chart1 = new ej.charts.Chart({
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
primaryYAxis:
{
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
title: 'Sales Comparision',
}, '#element1');
var pie = new ej.charts.AccumulationChart({
series: [
{
dataSource: [{ x: 'Labour', y: 18, text: '18%' }, { x: 'Legal', y: 8, text: '8%' },
{ x: 'Production', y: 15, text: '15%' }, { x: 'License', y: 11, text: '11%' },
{ x: 'Facilities', y: 18, text: '18%' }, { x: 'Taxes', y: 14, text: '14%' },
{ x: 'Insurance', y: 16, text: '16%' }],
dataLabel: {
visible: true,
name: 'text',
position: 'Inside',
font: {
fontWeight: '600',
color: '#ffffff'
}
},
radius: '70%', xName: 'x',
yName: 'y', startAngle: 0,
endAngle: 360,
name: 'Project'
}
],
enableSmartLabels: true,
legendSettings: {
visible: true
},
tooltip: { enable: false },
title: 'Project Cost Breakdown'
}, '#element2');
document.getElementById('print').onclick = () => {
chart.exportModule.export('PDF', 'Chart', null, [chart, chart1, pie], null, null, true, undefined, undefined, true);
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id='container'>
<div id='element' style="float: left "></div>
<div id='element1' style="float: left "></div>
<div id='element2' style="float: left "></div>
<button id= "print" type="button" width ='15%' style="float: right">Export</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Multiple chart export
You can export the multiple charts in single page by passing the multiple chart objects in the export method of chart. To export multiple charts in a single page, follow the given steps:
Initially, render more than one chart to export, and then add button to export the multiple charts. In button click, call the export method in charts, and then pass the multiple chart objects in the export method.
var chart = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis: {
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
//Initializing Chart title
title: 'Sales Comparision',
}, '#element');
var chart1 = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
title: 'Manager',
valueType: 'Category',
majorGridLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis: {
title: 'Sales',
minimum: 0,
maximum: 20000,
majorGridLines: { width: 0 }
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }],
xName: 'x', width: 2,
yName: 'y'
}
],
//Initializing Chart title
title: 'Sales Comparision',
}, '#element1');
document.getElementById('print').onclick = function () {
chart.export('PNG', Chart, null, [chart, chart1]);
;
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element" style="float: left "></div>
<div id="element1" style="float: left "></div>
<button id="print" type="button" width="15%" style="float: right">Export</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Exporting chart using base64 string
The chart can be exported as an image in the form of a base64 string by utilizing HTML canvas. This process involves rendering the chart onto a canvas element and then converting the canvas content to a base64 string.
var chart = new ej.charts.Chart({
//Initializing Primary X Axis
primaryXAxis: {
valueType: 'Category',
majorGridLines: { width: 0 },
majorTickLines: { width: 0 },
minorTickLines: { width: 0 }
},
//Initializing Primary Y Axis
primaryYAxis:
{
minimum: 0,
maximum: 40,
interval: 10,
lineStyle: {width : 0},
minorTickLines: {width: 0},
majorTickLines: {width : 0},
},
chartArea: {
border: {
width: 0
}
},
//Initializing Chart Series
series: [
{
type: 'Column',
dataSource: [
{ x: 'DEU', y: 35.5 }, { x: 'CHN', y: 18.3 }, { x: 'ITA', y: 17.6 }, { x: 'JPN', y: 13.6 },
{ x: 'US', y: 12 }, { x: 'ESP', y: 5.6 }, { x: 'FRA', y: 4.6 }, { x: 'AUS', y: 3.3 },
{ x: 'BEL', y: 3 }, { x: 'UK', y: 2.9 }
],
xName: 'x', width: 2,
yName: 'y'
}
],
}, '#element');
document.getElementById('export').onclick = function () {
var svg = document.querySelector("#element_svg");
var svgData = new XMLSerializer().serializeToString(svg);
var canvas = document.createElement("canvas");
document.body.appendChild(canvas);
var svgSize = svg.getBoundingClientRect();
canvas.width = svgSize.width;
canvas.height = svgSize.height;
var ctx = canvas.getContext("2d");
var img = document.createElement("img");
img.setAttribute("src", "data:image/svg+xml;base64," + btoa(svgData));
img.onload = function() {
ctx.drawImage(img, 0, 0);
var imagedata = canvas.toDataURL("image/png");
console.log(imagedata); // printed base64 in console
canvas.remove();
};
};<!DOCTYPE html><html lang="en"><head>
<title>EJ2 Animation</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Typescript UI Controls">
<meta name="author" content="Syncfusion">
<link href="index.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<div id="element" style="float: left "></div>
<button id="export" type="button" width="15%" style="float: right">Export</button>
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>