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

[bugzilla-daemon at webkit.org]

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





------- Comment #13 from mitz at webkit.org  2008-10-03 15:13 PDT -------
(In reply to comment #12)
> I found an interesting issue: this method of reading back the pixels from the
> backing store basically strips any alpha as the returned NSBitmapImageRep is in
> RGB8.

I wonder if that is true for transparent windows as well. WebKit supports
transparent WebViews and you can use them in windows (Safari's Debug menu has
an option to use a transparent window). Anyway, we currently don't test drawing
in transparent WebViews, so I don't think this is an issue.


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