diff options
Diffstat (limited to 'Source/WebKit2/UIProcess/BackingStore.h')
| -rw-r--r-- | Source/WebKit2/UIProcess/BackingStore.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/Source/WebKit2/UIProcess/BackingStore.h b/Source/WebKit2/UIProcess/BackingStore.h index e83ae88d2..bd301bbe4 100644 --- a/Source/WebKit2/UIProcess/BackingStore.h +++ b/Source/WebKit2/UIProcess/BackingStore.h @@ -26,7 +26,7 @@ #ifndef BackingStore_h #define BackingStore_h -#include <WebCore/IntSize.h> +#include <WebCore/IntRect.h> #include <wtf/Noncopyable.h> #include <wtf/PassOwnPtr.h> @@ -46,10 +46,6 @@ #include <WebCore/WidgetBackingStore.h> #endif -namespace WebCore { - class IntRect; -} - namespace WebKit { class ShareableBitmap; @@ -92,8 +88,18 @@ private: #if PLATFORM(MAC) CGContextRef backingStoreContext(); + void performWithScrolledRectTransform(const WebCore::IntRect&, void (^)(const WebCore::IntRect&, const WebCore::IntSize&)); + void resetScrolledRect(); + RetainPtr<CGLayerRef> m_cgLayer; RetainPtr<CGContextRef> m_bitmapContext; + + // The rectange that was scrolled most recently. + WebCore::IntRect m_scrolledRect; + + // Contents of m_scrolledRect are offset by this amount (and wrapped around) with respect to + // their original location. + WebCore::IntSize m_scrolledRectOffset; #elif PLATFORM(WIN) || PLATFORM(WIN_CAIRO) OwnPtr<HBITMAP> m_bitmap; #elif PLATFORM(QT) |