2 * Copyright (C) 2011 Apple Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions
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26 #ifndef CrossfadeGeneratedImage_h
27 #define CrossfadeGeneratedImage_h
29 #include "platform/geometry/IntSize.h"
30 #include "platform/graphics/GeneratedImage.h"
31 #include "platform/graphics/Image.h"
32 #include "platform/graphics/ImageObserver.h"
33 #include "wtf/RefPtr.h"
37 class PLATFORM_EXPORT CrossfadeGeneratedImage : public GeneratedImage {
39 static PassRefPtr<CrossfadeGeneratedImage> create(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize& size)
41 return adoptRef(new CrossfadeGeneratedImage(fromImage, toImage, percentage, crossfadeSize, size));
44 virtual void setContainerSize(const IntSize&) OVERRIDE { }
45 virtual bool usesContainerSize() const OVERRIDE { return false; }
46 virtual bool hasRelativeWidth() const OVERRIDE { return false; }
47 virtual bool hasRelativeHeight() const OVERRIDE { return false; }
49 virtual IntSize size() const OVERRIDE { return m_crossfadeSize; }
52 virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&,
53 CompositeOperator, WebBlendMode) OVERRIDE;
54 virtual void drawPattern(GraphicsContext*, const FloatRect&,
55 const FloatSize&, const FloatPoint&, CompositeOperator,
56 const FloatRect&, WebBlendMode, const IntSize& repeatSpacing) OVERRIDE;
58 CrossfadeGeneratedImage(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize&);
61 void drawCrossfade(GraphicsContext*);
67 IntSize m_crossfadeSize;