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26 #ifndef WebContentLayerClient_h
27 #define WebContentLayerClient_h
29 #include "WebCanvas.h"
30 #include "WebCommon.h"
36 class BLINK_PLATFORM_EXPORT WebContentLayerClient {
38 // Paints the content area for the layer, typically dirty rects submitted
39 // through WebContentLayer::setNeedsDisplay, submitting drawing commands
40 // through the WebCanvas.
41 // The canvas is already clipped to the |clip| rect.
42 // Optionally, the implementation may set |opaque| to a rect covering pixels that
43 // the implementation knows are opaque. This information can be used for various
45 virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCDText, WebFloatRect& opaque) = 0;
48 virtual ~WebContentLayerClient() { }
53 #endif // WebContentLayerClient_h