RESOLVED DUPLICATE of bug 37241 78162
With opaque borders, RenderBoxModelObject should avoid tiled drawing of the background image 
https://bugs.webkit.org/show_bug.cgi?id=78162
Summary With opaque borders, RenderBoxModelObject should avoid tiled drawing of the b...
Matthew Delaney
Reported 2012-02-08 15:23:01 PST
Consider these two cases: 1) data:text/html,%3Cdiv%20style=%22height:300px;width:300px;background-image:-webkit-repeating-linear-gradient(top%20left,%20red%2010%25,%20blue%2030%25);border:10px%20solid%22%3E 2) data:text/html,%3Cdiv%20style=%22height:300px;width:300px;background-image:-webkit-repeating-linear-gradient(top%20left,%20red%2010%25,%20blue%2030%25);border:10px%20solid%20transparent%22%3E The only difference is that 1) has a black fully-opaque border and 2) is transparent. In either case, we always draw in the 9-tile case (with the tiles behind the border). Most often, borders are opaque which would save us a bit of work to avoid drawing the full pattern.
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Radar WebKit Bug Importer
Comment 1 2012-02-08 17:34:47 PST
<rdar://problem/10832889>
Simon Fraser (smfr)
Comment 2 2012-02-08 23:47:51 PST
*** This bug has been marked as a duplicate of bug 37241 ***
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