2009-12-14 Jakob Petsovits <jpetsovits@rim.com>
Reviewed by Simon Fraser.
Add FloatQuad::isRectilinear() to check whether it can be represented as FloatRect.
https://bugs.webkit.org/show_bug.cgi?id=30442
This enables optimizations for distinguishing between
arbitrary FloatQuads and rectilinear ones.
* platform/graphics/FloatQuad.cpp:
(WebCore::FloatQuad::isRectilinear):
* platform/graphics/FloatQuad.h:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@52115 268f45cc-cd09-0410-ab3c-d52691b4dbfc