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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 2 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 10 matching lines...) Expand all Loading... |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #ifndef Image_h | 27 #ifndef Image_h |
| 28 #define Image_h | 28 #define Image_h |
| 29 | 29 |
| 30 #include "core/platform/graphics/Color.h" | 30 #include "core/platform/graphics/Color.h" |
| 31 #include "core/platform/graphics/ColorSpace.h" | |
| 32 #include "core/platform/graphics/GraphicsTypes.h" | 31 #include "core/platform/graphics/GraphicsTypes.h" |
| 33 #include "core/platform/graphics/ImageOrientation.h" | 32 #include "core/platform/graphics/ImageOrientation.h" |
| 34 #include "core/platform/graphics/IntRect.h" | 33 #include "core/platform/graphics/IntRect.h" |
| 35 #include "core/platform/graphics/NativeImagePtr.h" | 34 #include "core/platform/graphics/NativeImagePtr.h" |
| 36 #include "third_party/skia/include/core/SkXfermode.h" | 35 #include "third_party/skia/include/core/SkXfermode.h" |
| 37 #include <wtf/PassRefPtr.h> | 36 #include <wtf/PassRefPtr.h> |
| 38 #include <wtf/RefCounted.h> | 37 #include <wtf/RefCounted.h> |
| 39 #include <wtf/RefPtr.h> | 38 #include <wtf/RefPtr.h> |
| 40 #include <wtf/RetainPtr.h> | 39 #include <wtf/RetainPtr.h> |
| 41 #include <wtf/text/WTFString.h> | 40 #include <wtf/text/WTFString.h> |
| (...skipping 12 matching lines...) Expand all Loading... |
| 54 class ImageObserver; | 53 class ImageObserver; |
| 55 | 54 |
| 56 class Image : public RefCounted<Image> { | 55 class Image : public RefCounted<Image> { |
| 57 friend class GeneratedImage; | 56 friend class GeneratedImage; |
| 58 friend class CrossfadeGeneratedImage; | 57 friend class CrossfadeGeneratedImage; |
| 59 friend class GeneratorGeneratedImage; | 58 friend class GeneratorGeneratedImage; |
| 60 friend class GraphicsContext; | 59 friend class GraphicsContext; |
| 61 | 60 |
| 62 public: | 61 public: |
| 63 virtual ~Image(); | 62 virtual ~Image(); |
| 64 | 63 |
| 65 static PassRefPtr<Image> create(ImageObserver* = 0); | 64 static PassRefPtr<Image> create(ImageObserver* = 0); |
| 66 static PassRefPtr<Image> loadPlatformResource(const char* name); | 65 static PassRefPtr<Image> loadPlatformResource(const char* name); |
| 67 static bool supportsType(const String&); | 66 static bool supportsType(const String&); |
| 68 | 67 |
| 69 virtual bool isSVGImage() const { return false; } | 68 virtual bool isSVGImage() const { return false; } |
| 70 virtual bool isBitmapImage() const { return false; } | 69 virtual bool isBitmapImage() const { return false; } |
| 71 virtual bool currentFrameKnownToBeOpaque() = 0; | 70 virtual bool currentFrameKnownToBeOpaque() = 0; |
| 72 | 71 |
| 73 // Derived classes should override this if they can assure that | 72 // Derived classes should override this if they can assure that |
| 74 // the image contains only resources from its own security origin. | 73 // the image contains only resources from its own security origin. |
| 75 virtual bool hasSingleSecurityOrigin() const { return false; } | 74 virtual bool hasSingleSecurityOrigin() const { return false; } |
| 76 | 75 |
| 77 static Image* nullImage(); | 76 static Image* nullImage(); |
| 78 bool isNull() const { return size().isEmpty(); } | 77 bool isNull() const { return size().isEmpty(); } |
| 79 | 78 |
| 80 virtual void setContainerSize(const IntSize&) { } | 79 virtual void setContainerSize(const IntSize&) { } |
| 81 virtual bool usesContainerSize() const { return false; } | 80 virtual bool usesContainerSize() const { return false; } |
| 82 virtual bool hasRelativeWidth() const { return false; } | 81 virtual bool hasRelativeWidth() const { return false; } |
| 83 virtual bool hasRelativeHeight() const { return false; } | 82 virtual bool hasRelativeHeight() const { return false; } |
| 84 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); | 83 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); |
| 85 | 84 |
| 86 virtual IntSize size() const = 0; | 85 virtual IntSize size() const = 0; |
| 87 IntRect rect() const { return IntRect(IntPoint(), size()); } | 86 IntRect rect() const { return IntRect(IntPoint(), size()); } |
| 88 int width() const { return size().width(); } | 87 int width() const { return size().width(); } |
| 89 int height() const { return size().height(); } | 88 int height() const { return size().height(); } |
| 90 virtual bool getHotSpot(IntPoint&) const { return false; } | 89 virtual bool getHotSpot(IntPoint&) const { return false; } |
| 91 | 90 |
| 92 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); | 91 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
| 93 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } | 92 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } |
| 94 | 93 |
| 95 virtual String filenameExtension() const { return String(); } // null string
if unknown | 94 virtual String filenameExtension() const { return String(); } // null string
if unknown |
| 96 | 95 |
| 97 virtual void destroyDecodedData() = 0; | 96 virtual void destroyDecodedData() = 0; |
| 98 virtual unsigned decodedSize() const = 0; | 97 virtual unsigned decodedSize() const = 0; |
| 99 | 98 |
| 100 SharedBuffer* data() { return m_encodedImageData.get(); } | 99 SharedBuffer* data() { return m_encodedImageData.get(); } |
| 101 | 100 |
| 102 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. | 101 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. |
| 103 // It will automatically pause once all observers no longer want to render t
he image anywhere. | 102 // It will automatically pause once all observers no longer want to render t
he image anywhere. |
| 104 virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) { } | 103 virtual void startAnimation(bool /*catchUpIfNecessary*/ = true) { } |
| 105 virtual void stopAnimation() {} | 104 virtual void stopAnimation() {} |
| 106 virtual void resetAnimation() {} | 105 virtual void resetAnimation() {} |
| 107 | 106 |
| 108 // Typically the CachedImage that owns us. | 107 // Typically the CachedImage that owns us. |
| 109 ImageObserver* imageObserver() const { return m_imageObserver; } | 108 ImageObserver* imageObserver() const { return m_imageObserver; } |
| 110 void setImageObserver(ImageObserver* observer) { m_imageObserver = observer;
} | 109 void setImageObserver(ImageObserver* observer) { m_imageObserver = observer;
} |
| 111 | 110 |
| 112 enum TileRule { StretchTile, RoundTile, SpaceTile, RepeatTile }; | 111 enum TileRule { StretchTile, RoundTile, SpaceTile, RepeatTile }; |
| 113 | 112 |
| 114 virtual PassNativeImagePtr nativeImageForCurrentFrame() { return 0; } | 113 virtual PassNativeImagePtr nativeImageForCurrentFrame() { return 0; } |
| 115 | 114 |
| 116 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const A
ffineTransform& patternTransform, | 115 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const A
ffineTransform& patternTransform, |
| 117 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator,
const FloatRect& destRect, BlendMode = BlendModeNormal); | 116 const FloatPoint& phase, CompositeOperator, const FloatRect& destRect, B
lendMode = BlendModeNormal); |
| 118 | 117 |
| 119 #if !ASSERT_DISABLED | 118 #if !ASSERT_DISABLED |
| 120 virtual bool notSolidColor() { return true; } | 119 virtual bool notSolidColor() { return true; } |
| 121 #endif | 120 #endif |
| 122 | 121 |
| 123 virtual void reportMemoryUsage(MemoryObjectInfo*) const; | 122 virtual void reportMemoryUsage(MemoryObjectInfo*) const; |
| 124 | 123 |
| 125 protected: | 124 protected: |
| 126 Image(ImageObserver* = 0); | 125 Image(ImageObserver* = 0); |
| 127 | 126 |
| 128 static void fillWithSolidColor(GraphicsContext*, const FloatRect& dstRect, c
onst Color&, ColorSpace styleColorSpace, CompositeOperator); | 127 static void fillWithSolidColor(GraphicsContext*, const FloatRect& dstRect, c
onst Color&, CompositeOperator); |
| 129 static FloatRect adjustForNegativeSize(const FloatRect&); // A helper method
for translating negative width and height values. | 128 static FloatRect adjustForNegativeSize(const FloatRect&); // A helper method
for translating negative width and height values. |
| 130 | 129 |
| 131 // FIXME (crbug.com/242060): This does not belong on Image. | 130 // FIXME (crbug.com/242060): This does not belong on Image. |
| 132 static void paintSkBitmap(GraphicsContext*, const NativeImageSkia&, const Sk
Rect& /*srcRect*/, const SkRect& /*destRect*/, const SkXfermode::Mode&); | 131 static void paintSkBitmap(GraphicsContext*, const NativeImageSkia&, const Sk
Rect& /*srcRect*/, const SkRect& /*destRect*/, const SkXfermode::Mode&); |
| 133 | 132 |
| 134 // The ColorSpace parameter will only be used for untagged images. | 133 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, CompositeOperator, BlendMode) = 0; |
| 135 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode) = 0; | 134 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, CompositeOperator, BlendMode, RespectImageOrientationEnum); |
| 136 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, ColorSpace styleColorSpace, CompositeOperator, BlendMode, RespectIma
geOrientationEnum); | 135 void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatPoint&
srcPoint, const FloatSize& tileSize, |
| 137 void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatPoint&
srcPoint, const FloatSize& tileSize, ColorSpace styleColorSpace, | |
| 138 CompositeOperator , BlendMode); | 136 CompositeOperator , BlendMode); |
| 139 void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatRect&
srcRect, const FloatSize& tileScaleFactor, TileRule hRule, TileRule vRule, Color
Space styleColorSpace, CompositeOperator); | 137 void drawTiled(GraphicsContext*, const FloatRect& dstRect, const FloatRect&
srcRect, const FloatSize& tileScaleFactor, TileRule hRule, TileRule vRule, Compo
siteOperator); |
| 140 | 138 |
| 141 // Supporting tiled drawing | 139 // Supporting tiled drawing |
| 142 virtual bool mayFillWithSolidColor() { return false; } | 140 virtual bool mayFillWithSolidColor() { return false; } |
| 143 virtual Color solidColor() const { return Color(); } | 141 virtual Color solidColor() const { return Color(); } |
| 144 | 142 |
| 145 private: | 143 private: |
| 146 RefPtr<SharedBuffer> m_encodedImageData; | 144 RefPtr<SharedBuffer> m_encodedImageData; |
| 147 ImageObserver* m_imageObserver; | 145 ImageObserver* m_imageObserver; |
| 148 }; | 146 }; |
| 149 | 147 |
| 150 } | 148 } |
| 151 | 149 |
| 152 #endif | 150 #endif |
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