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 "GeneratedImage.h"
31 #include "ImageObserver.h"
33 #include <wtf/RefPtr.h>
37 class CSSCrossfadeValue;
39 class CrossfadeGeneratedImage : public GeneratedImage {
41 static PassRefPtr<CrossfadeGeneratedImage> create(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize& size)
43 return adoptRef(new CrossfadeGeneratedImage(fromImage, toImage, percentage, crossfadeSize, size));
46 virtual void setContainerSize(const IntSize&) { }
47 virtual bool usesContainerSize() const { return false; }
48 virtual bool hasRelativeWidth() const { return false; }
49 virtual bool hasRelativeHeight() const { return false; }
51 virtual IntSize size() const { return m_crossfadeSize; }
54 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator);
55 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator, const FloatRect& dstRect);
57 CrossfadeGeneratedImage(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize&);
60 void drawCrossfade(GraphicsContext*);
66 IntSize m_crossfadeSize;