<!DOCTYPE html>
<title>Canvas test: 2d.imageData.put.modified</title>
<script src="../tests.js"></script>
<link rel="stylesheet" href="../tests.css">
<body>
<p id="passtext">Pass</p>
<p id="failtext">Fail</p>
<p class="output">These images should be identical:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<p class="output expectedtext">Expected output:<p><img src="green-100x50.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {

ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50)
ctx.fillStyle = '#f00';
ctx.fillRect(45, 20, 10, 10)
var imgdata = ctx.getImageData(45, 20, 10, 10);
for (var i = 0, len = imgdata.width*imgdata.height*4; i < len; i += 4)
{
    imgdata.data[i] = 0;
    imgdata.data[i+1] = 255;
}
ctx.putImageData(imgdata, 45, 20);
_assertPixelApprox(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2);


});
</script>