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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: 2d.imageData.put.dirty.rect1</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">
<h1>2d.imageData.put.dirty.rect1</h1>
<p class="desc">putImageData() only modifies areas inside the dirty rectangle, using width and height</p>
<p class="output">Actual output:</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="/images/green-100x50.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
var t = async_test("putImageData() only modifies areas inside the dirty rectangle, using width and height");
_addTest(function(canvas, ctx) {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50)
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 20, 20)
var imgdata = ctx.getImageData(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50)
ctx.fillStyle = '#f00';
ctx.fillRect(40, 20, 20, 20)
ctx.putImageData(imgdata, 40, 20, 0, 0, 20, 20);
_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
_assertPixelApprox(canvas, 35,25, 0,255,0,255, 2);
_assertPixelApprox(canvas, 65,25, 0,255,0,255, 2);
_assertPixelApprox(canvas, 50,15, 0,255,0,255, 2);
_assertPixelApprox(canvas, 50,45, 0,255,0,255, 2);
});
</script>
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