Fix for <rdar://problem/5271213>, resizing iChat window is slower than in
        Tiger. This patch implements a fast scaling mode that can be used by
        WebViews, e.g., during window resizing.

        Reviewed by John Sullivan

        * WebCore.exp:
        * WebCore.xcodeproj/project.pbxproj:
        * page/Frame.cpp:
        (WebCore::FramePrivate::FramePrivate):
        * page/Page.cpp:
        (WebCore::Page::Page):
        (WebCore::Page::inLowQualityImageInterpolationMode):
        (WebCore::Page::setInLowQualityImageInterpolationMode):
        * page/Page.h:
        * platform/graphics/GraphicsContext.cpp:
        (WebCore::GraphicsContext::drawImage):
        * platform/graphics/GraphicsContext.h:
        (WebCore::GraphicsContext::setUseLowQualityImageInterpolation):
        (WebCore::GraphicsContext::useLowQualityImageInterpolation):
        * platform/graphics/cg/GraphicsContextCG.cpp:
        (WebCore::GraphicsContext::setUseLowQualityImageInterpolation):
        (WebCore::GraphicsContext::useLowQualityImageInterpolation):
        * rendering/RenderImage.cpp:
        (WebCore::RenderImage::paint):

WebKit:

        Fix for <rdar://problem/5271213>, resizing iChat window is slower than in
        Tiger.  This patch implements a fast scaling mode that can be used by
        WebViews, e.g., during window resizing.

        Reviewed by John Sullivan

        * WebView/WebView.mm:
        (-[WebView _setUseFastImageScalingMode:]):
        (-[WebView _inFastImageScalingMode]):
        * WebView/WebViewPrivate.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@25360 268f45cc-cd09-0410-ab3c-d52691b4dbfc