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31 #ifndef BitmapImageSingleFrameSkia_h
32 #define BitmapImageSingleFrameSkia_h
35 #include "NativeImageSkia.h"
39 // This image class can be used in places which need an Image, but have
40 // raw pixel data rather than undecoded image data.
41 // The Image is simpler than a BitmapImage, as it does not have image
42 // observers, animation, multiple frames, or non-decoded data.
43 // Therefore trimming the decoded data (destroyDecodedData()) has no effect.
45 // The difficulty with putting this in BitmapImage::create(NativeImagePtr)
46 // is that NativeImagePtr = NativeImageSkia, yet callers have SkBitmap.
47 class BitmapImageSingleFrameSkia : public Image {
49 // Creates a new Image from the given SkBitmap. If "copyPixels" is true, a
50 // deep copy is done. Otherwise, a shallow copy is done (pixel data is
52 static PassRefPtr<BitmapImageSingleFrameSkia> create(const SkBitmap&, bool copyPixels);
54 virtual bool isBitmapImage() const { return true; }
56 virtual bool currentFrameHasAlpha() { return !m_nativeImage.bitmap().isOpaque(); }
58 virtual IntSize size() const
60 return IntSize(m_nativeImage.bitmap().width(), m_nativeImage.bitmap().height());
63 // Do nothing, as we only have the one representation of data (decoded).
64 virtual void destroyDecodedData(bool destroyAll = true) { }
66 virtual unsigned decodedSize() const
68 return m_nativeImage.decodedSize();
71 // We only have a single frame.
72 virtual NativeImagePtr nativeImageForCurrentFrame()
74 return &m_nativeImage;
78 virtual bool notSolidColor()
80 return m_nativeImage.bitmap().width() != 1 || m_nativeImage.bitmap().height() != 1;
85 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator);
88 NativeImageSkia m_nativeImage;
90 // Creates a new Image from the given SkBitmap, using a shallow copy.
91 explicit BitmapImageSingleFrameSkia(const SkBitmap&);
94 FloatRect normalizeRect(const FloatRect&);
96 } // namespace WebCore
98 #endif // BitmapImageSingleFrameSkia_h