[Webkit-unassigned] [Bug 69091] Background bleed avoidance has performance drawback

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69091





--- Comment #1 from Hin-Chung Lam <hclam at google.com>  2011-09-29 09:59:08 PST ---
I've tried the following methods and none of those are satisfactory:

1. Shrink background by 1 pixel when border width is 1.
   There are "holes" between the background and inner border.

2. Treat opaque borders as background-clip: padding-box and use BackgroundBleedNone.
   Background still bleeds.

3. Treat 1 border as BackgroundBleedNone.
   Nope, it still bleeds.

I'm trying to implement the idea described in determineBackgroundBleedAvoidance() but I suspect it will have the same problem as (1), and there will be holes between background and inner border. I'll experiment with this and verify.

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