[Webkit-unassigned] [Bug 108897] [Cairo] Canvas-shadow behavior is not being as expected

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Apr 3 11:16:26 PDT 2013


https://bugs.webkit.org/show_bug.cgi?id=108897





--- Comment #26 from Martin Robinson <mrobinson at webkit.org>  2013-04-03 11:14:38 PST ---
(In reply to comment #23)

> In step #2, while filling the shadow-context with "shadowColor", if we use the extend mode "CAIRO_EXTEND_PAD" in PlatformContextCairo::drawSurfaceToContext(), the original image area is also filled with the shadowColor.

So is the issue that during shadow coloring, area outside the shadow region are incorrect filled? Perhaps we should also be clipping the CompositeSourceIn to the interesting area of the shadow-generating surface.

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