[Webkit-unassigned] [Bug 21322] DumpRenderTree pixel test improvements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21322





------- Comment #3 from pol at apple.com  2008-10-02 19:17 PDT -------
A few other minor things in the patch:
- rendering is always in premultiplied RGBA8 to avoid endian issues and
guarantee consistent hash values
- ensure font smoothing is disabled (this is also called LCD anti-aliasing and
is different from regular font CG anti-aliasing) as font-smoothing settings
depends on the display and can also be changed by the user
- use a new cleared buffer for each test instead of the reusing same one to
avoid potential result corruption across tests
- DRT can now receives the expected pixel hash as a suffix to the test path or
url as "path|hash"


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