Cannot setTransform on a canvas with a non-invertible ctm, cannot begin or close paths, cannot set fill/stroke style.
Created attachment 26308 [details] Simple fix + tests The fix is simple (i actually noticed the bug through code inspection), test cases are more convoluted (in order to hit the failings paths.
Comment on attachment 26308 [details] Simple fix + tests r=me
Committing to http://svn.webkit.org/repository/webkit/trunk ... M LayoutTests/ChangeLog A LayoutTests/fast/canvas/canvas-set-properties-with-non-invertible-ctm-expected.txt A LayoutTests/fast/canvas/canvas-set-properties-with-non-invertible-ctm.html A LayoutTests/fast/canvas/resources/canvas-set-properties-with-non-invertible-ctm.js M WebCore/ChangeLog M WebCore/html/CanvasRenderingContext2D.cpp Committed r39508