Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
  Benchmark.prototype.setup = function() {
    var canvas = document.createElement('canvas');
    var ctx = canvas.getContext("2d");
    canvas.width = 640;
    canvas.height = 480;
    
    var fullImage = new Image();
    fullImage.src = "http://warp.povusers.org/pics/GlowTest.jpg";
    
    var overImage = new Image();
    overImage.src = "http://www.sikhnet.com/thegallery/gallery/d/355-2/20060526DuskAtHarimandirSahib-1024x768.jpg";
    
    var quarterImage = new Image();
    quarterImage.src="http://www.kespia.com/pictures/Test_Drive_Unlimited_320x240.jpg";
  };
</script>

Preparation code output

Test runner

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ctx.drawImage(fullImage, 0, 0, 640, 480);

ctx.drawImage(overImage, 0, 0, 640, 480);

ctx.drawImage(quarterImage, 0, 0, 320, 240);
ctx.drawImage(quarterImage, 320, 0, 320, 240);
ctx.drawImage(quarterImage, 0, 240, 320, 240);
ctx.drawImage(quarterImage, 320, 240, 320, 240);

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 25th January 2013
• Revision 2: published on 25th January 2013
• Revision 3: published on 25th January 2013 and last updated on 26th January 2013

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