[Webkit-unassigned] [Bug 53055] REGRESSION: Rendering artifacts on a rotated, pattern filled shape

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53055





--- Comment #49 from Dirk Schulze <krit at webkit.org>  2011-08-30 22:06:00 PST ---
(From update of attachment 105719)
View in context: https://bugs.webkit.org/attachment.cgi?id=105719&action=review

> Source/WebCore/rendering/svg/RenderSVGResourcePattern.cpp:122
> +        SVGImageBufferTools::clear2DRotation(absoluteTransformIgnoringRotation);
> +        FloatRect absoluteTileBoundaries = absoluteTransformIgnoringRotation.mapRect(tileBoundaries);

Have you tried to make this a inherent part of calculateTransformationToOutermostSVGCoordinateSystem? This could be interesting for masking and clipping as well. It might need more work to check the behavior of SVGFilter. Nevertheless, it would be interesting for filters as well!

> Source/WebCore/rendering/svg/SVGImageBufferTools.cpp:132
> +    decomposition.quaternionZ = 0.0;

just 0, not 0.0.

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