Radial Gauge

Linear Gauge

Bullet Graph

Segmented Display


Click on the button to see me

This sample demonstrates how to get DataViz BulletGraph image data URL.
The DataViz BulletGraph can export its image to a data URL (e.g., data:image/png;base64,iVBORw0KGg...). This data may then be rendered in the browser, which could then be saved.

For detailed implementation, please take a look at the HTML code tab. 
 
<!DOCTYPE html>
<html>
<head>
	<title>
	Get Image Data URL Example - HTML5 jQuery Bullet Graph JavaScript Plugin
</title>
	<link rel="stylesheet" type="text/css" href="../../css/dataviz.gauges.css" />
	<script src="../../js/dataviz.gauges.min.js" type="text/javascript"></script>
	
	<script lang="javascript" type="text/javascript">
		var scaleBackgroundGradient = {
			type: 'linearGradient',
			x0: 0,
			y0: 1,
			x1: 0,
			y1: 0,
			colorStops: [{ offset: 0, color: '#A4D020' },
						 { offset: 0.993, color: '#BFFE01' }]
		};

		var range1Gradient = {
			type: 'linearGradient',
			x0: 0,
			y0: 0,
			x1: 0,
			y1: 1,
			colorStops: [{ offset: 0, color: '#61B603' },
						 { offset: 1, color: '#448100' }]
		};

		var range2Gradient = {
			type: 'linearGradient',
			x0: 0,
			y0: 1,
			x1: 0,
			y1: 0,
			colorStops: [{ offset: 0, color: '#87B202' },
						 { offset: 1, color: '#A6DC01' }]
		};

		var comparativeMeasureGradient = {
			type: 'linearGradient',
			x0: 0,
			y0: 0,
			x1: 1,
			y1: 0,
			colorStops: [{ offset: 0, color: '#E4E4E4' },
						 { offset: 0.552, color: '#FFFFFF' }]
		};

		var featuredMeasureGradient = {
			type: 'linearGradient',
			x0: 0,
			y0: 0,
			x1: 0,
			y1: 1,
			colorStops: [{ offset: 0, color: '#BABABA' },
						 { offset: 0.495, color: '#FFFFFF' }]
		};


		var bulletGraph = new DataViz.BulletGraph({
			orientation: 'horizontal',
			border: {
				lineWidth: 0
			},
			tooltips: {
				disabled: false,
				highlighting: false
			},
			quantitativeScale: {
				name: 'Main Scale',
				minimum: 0,
				maximum: 100,
				background: scaleBackgroundGradient,
				labels: {
					offset: 0.95
				},
				qualitativeRanges:
					[
						{
							value: 47,
							fillStyle: range1Gradient
						},
						{
							value: 70,
							fillStyle: range2Gradient
						}
					]
			},
			comparativeMeasures:
				[
					{
						title: 'Comparative Measure',
						value: 80,
						fillStyle: comparativeMeasureGradient
					}
				],
			featuredMeasures:
				[
					{
						title: 'Featured Measure',
						value: 90,
						innerOffset: 0.4,
						outerOffset: 0.6,
						fillStyle: featuredMeasureGradient
					}
				]
		});

		function toDataURL() {
			var dataURL = bulletGraph.toDataURL('image/png');
			document.getElementById("canvasImg").src = dataURL;
		}

		bulletGraph.write('container');
	</script>

</head>
<body>
	<div>
		<input id="button" onclick="toDataURL()" type="button" value="Click to view the chart as an image" />
		<br />
		<table>
			<tr>
				<td>
					<div id="container" style="width: 400px; height: 80px;">
					</div>
				</td>
			</tr>
			<tr>
				<td>
					<img src="" id="canvasImg" style="width: 400px; height: 80px;" alt="Click on the button to see me" />
				</td>
			</tr>
		</table>
	</div>
</body>
</html>