Highcharts Demo

author(s): Torstein Hønsi

by sgearhart2

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/exporting.js"></script>
<script type="text/javascript" src="http://canvg.googlecode.com/svn/trunk/rgbcolor.js"></script> 
<script type="text/javascript" src="http://canvg.googlecode.com/svn/trunk/canvg.js"></script> 
<p>Highcharts</p>
<div id="container" style="height: 400px; margin-top: 1em"></div>
<p>Canvas</p>
<canvas id="canvas"></canvas>
<p>Image</p>
<div id="image"><div>

JavaScript

$(function () {
    var chart = new Highcharts.Chart({
        
        chart: {
            renderTo: 'container'
        },
        
        credits: {
            enabled: false
        },
        
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        
        series: [{
            data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]        
        }],
        
        navigation: {
            buttonOptions: {
                enabled: false
            }
        },
        exporting: {
            type: 'image/jpeg'
        }
        
    });
    
    var chart_svg = chart.getSVG();                    
    var chart_canvas = document.getElementById('canvas');
    chart_svg = chart_svg.replace('width="600"', 'width="1280"');   
    chart_svg = chart_svg.replace('height="400"', 'height="860"');   
    var dWidth = 1280/600, dHeight = 860/400;
    chart_svg = chart_svg.replace('<svg ', '<svg transform="scale(' + dWidth + ' ' + dHeight + ')" ');   
    console.log(chart_svg);
    canvg(chart_canvas, chart_svg);
                    
    var chart_img = chart_canvas.toDataURL('image/png');
                    
    jQuery('#image').append('<img src="' + chart_img + '" />');
});