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simon.fraser@apple.com authored
Reviewed by Sam Weinig. Allow transitions and animations of clip: rect https://bugs.webkit.org/show_bug.cgi?id=38130 Make the CSS clip property animatable. Test: transitions/clip-transition.html * page/animation/AnimationBase.cpp: (WebCore::blendFunc): New blend function for LengthBox (WebCore::AnimationBase::ensurePropertyMap): Create a PropertyWrapper for LengthBoxes. * platform/LengthBox.h: (WebCore::LengthBox::LengthBox): New ctor that takes 4 length values. * rendering/style/RenderStyle.h: (WebCore::InheritedFlags::setClip): New method that takes a LengthBox. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@61295 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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