[Webkit-unassigned] [Bug 33979] -webkit-mask-box-image draws a box while loading

Sun May 29 10:52:10 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=33979

Robert Hogan <robert at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |robert at webkit.org

--- Comment #4 from Robert Hogan <robert at webkit.org>  2011-05-29 10:52:10 PST ---
This test is puzzling me. It fails on Chromium and Qt - and I suspect it really fails on gtk as you can get the same rendertree results regardless of whether you really pass or not ('pass' being defined as not displaying the blue background of the boxes).

The problem, as I see it, is that the blue background always gets rendered before the mask in RenderBlock::paintObject() so it will always get painted. Whether the images are loaded or not in RenderBox::paintMaskImages() seems immaterial, since there is nothing there that will paint over the already-rendered background.

The other thing I can't get my head around is that isLoaded() is always true for a StyleImage so the code added with this patch will always think the images have been loaded.

Maybe something has changed since this patch and these are regressions of some sort. More likely I'm not understanding the code properly. 

Simon, could you take another look at it? Does it still pass manually on mac?

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