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Bug 1060609 (Part 3) - Add tests that interlaced and non-interlaced PNGs have the same downscaling behavior. r=tn

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Seth Fowler 2015-09-01 14:13:20 -07:00
parent f274dd5c30
commit 8240b88170
4 changed files with 37 additions and 0 deletions
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31
image/test/reftest/downscaling/downscale-png.html Normal file
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@ -0,0 +1,31 @@
<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<html reftest-zoom="1.0" class="reftest-wait">
<head>
<script>
function snapshot() {
document.documentElement.removeAttribute('class');
}
</script>
</head>
<!-- NOTE: Using setTimeout to wait for high-quality downscaled version of
image to be ready, because there's nothing better we can do. If we fix
Bug 1006883, we can do away with this setTimeout.
For now, the setTimeout is just here to increase the likelihood that we
actually test the high-quality downscaled version of the image. If the
setTimeout happens to fire before the high-quality downscaled rendering is
ready, then this the test will pass without testing what it's trying to
test, which is fine as long as that's rare. -->
<body style="margin: 0px" onload="setTimeout(snapshot, 50)">
<script>
var args = location.search.substring(1).split(',');
var image = document.createElement('img');
image.width = args[0];
image.height = args[1];
image.src = 'png-' + args[2] + '.png';
document.body.appendChild(image);
</script>
</body>
</html>

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image/test/reftest/downscaling/png-interlaced.png Normal file
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6
image/test/reftest/downscaling/reftest.list
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@ -87,6 +87,9 @@ fuzzy(20,999) != downscale-2c.html?205,53,bottom about:blank
fuzzy(20,999) != downscale-2d.html?205,53,bottom about:blank
fuzzy(20,999) fails-if(OSX>=1008) != downscale-2e.html?205,53,bottom about:blank
== downscale-png.html?16,16,interlaced downscale-png.html?16,16,normal
== downscale-png.html?24,24,interlaced downscale-png.html?24,24,normal
# RUN TESTS WITH HIGH QUALITY DOWNSCALING ENABLED:
# ================================================
# High-quality downscaling enabled:
@ -149,3 +152,6 @@ fuzzy(20,999) != downscale-2c.html?205,53,bottom about:blank
fuzzy(20,999) != downscale-2d.html?205,53,bottom about:blank
fuzzy(20,999) != downscale-2e.html?205,53,bottom about:blank
fuzzy(20,999) != downscale-2f.html?205,53,bottom about:blank
== downscale-png.html?16,16,interlaced downscale-png.html?16,16,normal
== downscale-png.html?24,24,interlaced downscale-png.html?24,24,normal