| OLD | NEW |
| 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 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 111 } | 111 } |
| 112 | 112 |
| 113 virtual String filenameExtension() const { | 113 virtual String filenameExtension() const { |
| 114 return String(); | 114 return String(); |
| 115 } // null string if unknown | 115 } // null string if unknown |
| 116 | 116 |
| 117 virtual void destroyDecodedData() = 0; | 117 virtual void destroyDecodedData() = 0; |
| 118 | 118 |
| 119 virtual PassRefPtr<SharedBuffer> data() { return m_encodedImageData; } | 119 virtual PassRefPtr<SharedBuffer> data() { return m_encodedImageData; } |
| 120 | 120 |
| 121 // Animation begins whenever someone draws the image, so startAnimation() is n
ot normally called. | 121 // Animation begins whenever someone draws the image, so startAnimation() is |
| 122 // It will automatically pause once all observers no longer want to render the
image anywhere. | 122 // not normally called. It will automatically pause once all observers no |
| 123 // longer want to render the image anywhere. |
| 123 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; | 124 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; |
| 124 virtual void startAnimation(CatchUpAnimation = CatchUp) {} | 125 virtual void startAnimation(CatchUpAnimation = CatchUp) {} |
| 125 virtual void resetAnimation() {} | 126 virtual void resetAnimation() {} |
| 126 | 127 |
| 127 // True if this image can potentially animate. | 128 // True if this image can potentially animate. |
| 128 virtual bool maybeAnimated() { return false; } | 129 virtual bool maybeAnimated() { return false; } |
| 129 | 130 |
| 130 // Set animationPolicy | 131 // Set animationPolicy |
| 131 virtual void setAnimationPolicy(ImageAnimationPolicy) {} | 132 virtual void setAnimationPolicy(ImageAnimationPolicy) {} |
| 132 virtual ImageAnimationPolicy animationPolicy() { | 133 virtual ImageAnimationPolicy animationPolicy() { |
| 133 return ImageAnimationPolicyAllowed; | 134 return ImageAnimationPolicyAllowed; |
| 134 } | 135 } |
| 135 virtual void advanceTime(double deltaTimeInSeconds) {} | 136 virtual void advanceTime(double deltaTimeInSeconds) {} |
| 136 | 137 |
| 137 // Advances an animated image. For BitmapImage (e.g., animated gifs) this | 138 // Advances an animated image. For BitmapImage (e.g., animated gifs) this |
| 138 // will advance to the next frame. For SVGImage, this will trigger an | 139 // will advance to the next frame. For SVGImage, this will trigger an |
| 139 // animation update for CSS and advance the SMIL timeline by one frame. | 140 // animation update for CSS and advance the SMIL timeline by one frame. |
| 140 virtual void advanceAnimationForTesting() {} | 141 virtual void advanceAnimationForTesting() {} |
| 141 | 142 |
| 142 // Typically the ImageResource that owns us. | 143 // Typically the ImageResource that owns us. |
| 143 ImageObserver* getImageObserver() const { | 144 ImageObserver* getImageObserver() const { |
| 144 return m_imageObserverDisabled ? nullptr : m_imageObserver; | 145 return m_imageObserverDisabled ? nullptr : m_imageObserver; |
| 145 } | 146 } |
| 146 void clearImageObserver() { m_imageObserver = nullptr; } | 147 void clearImageObserver() { m_imageObserver = nullptr; } |
| 147 // Do not call setImageObserverDisabled() other than from ImageObserverDisable
r to avoid interleaved accesses to |m_imageObserverDisabled|. | 148 // To avoid interleaved accesses to |m_imageObserverDisabled|, do not call |
| 149 // setImageObserverDisabled() other than from ImageObserverDisabler. |
| 148 void setImageObserverDisabled(bool disabled) { | 150 void setImageObserverDisabled(bool disabled) { |
| 149 m_imageObserverDisabled = disabled; | 151 m_imageObserverDisabled = disabled; |
| 150 } | 152 } |
| 151 | 153 |
| 152 enum TileRule { StretchTile, RoundTile, SpaceTile, RepeatTile }; | 154 enum TileRule { StretchTile, RoundTile, SpaceTile, RepeatTile }; |
| 153 | 155 |
| 154 virtual sk_sp<SkImage> imageForCurrentFrame() = 0; | 156 virtual sk_sp<SkImage> imageForCurrentFrame() = 0; |
| 155 virtual PassRefPtr<Image> imageForDefaultFrame(); | 157 virtual PassRefPtr<Image> imageForDefaultFrame(); |
| 156 | 158 |
| 157 virtual void drawPattern(GraphicsContext&, | 159 virtual void drawPattern(GraphicsContext&, |
| (...skipping 11 matching lines...) Expand all Loading... |
| 169 | 171 |
| 170 virtual void draw(SkCanvas*, | 172 virtual void draw(SkCanvas*, |
| 171 const SkPaint&, | 173 const SkPaint&, |
| 172 const FloatRect& dstRect, | 174 const FloatRect& dstRect, |
| 173 const FloatRect& srcRect, | 175 const FloatRect& srcRect, |
| 174 RespectImageOrientationEnum, | 176 RespectImageOrientationEnum, |
| 175 ImageClampingMode) = 0; | 177 ImageClampingMode) = 0; |
| 176 | 178 |
| 177 virtual bool applyShader(SkPaint&, const SkMatrix& localMatrix); | 179 virtual bool applyShader(SkPaint&, const SkMatrix& localMatrix); |
| 178 | 180 |
| 179 // Compute the tile which contains a given point (assuming a repeating tile gr
id). | 181 // Compute the tile which contains a given point (assuming a repeating tile |
| 180 // The point and returned value are in destination grid space. | 182 // grid). The point and returned value are in destination grid space. |
| 181 static FloatRect computeTileContaining(const FloatPoint&, | 183 static FloatRect computeTileContaining(const FloatPoint&, |
| 182 const FloatSize& tileSize, | 184 const FloatSize& tileSize, |
| 183 const FloatPoint& tilePhase, | 185 const FloatPoint& tilePhase, |
| 184 const FloatSize& tileSpacing); | 186 const FloatSize& tileSpacing); |
| 185 | 187 |
| 186 // Compute the image subset which gets mapped onto dest, when the whole image
is drawn into | 188 // Compute the image subset which gets mapped onto |dest|, when the whole |
| 187 // tile. Assumes the tile contains dest. The tile rect is in destination gri
d space while | 189 // image is drawn into |tile|. Assumes |tile| contains |dest|. The tile rect |
| 188 // the return value is in image coordinate space. | 190 // is in destination grid space while the return value is in image coordinate |
| 191 // space. |
| 189 static FloatRect computeSubsetForTile(const FloatRect& tile, | 192 static FloatRect computeSubsetForTile(const FloatRect& tile, |
| 190 const FloatRect& dest, | 193 const FloatRect& dest, |
| 191 const FloatSize& imageSize); | 194 const FloatSize& imageSize); |
| 192 | 195 |
| 193 protected: | 196 protected: |
| 194 Image(ImageObserver* = 0); | 197 Image(ImageObserver* = 0); |
| 195 | 198 |
| 196 void drawTiled(GraphicsContext&, | 199 void drawTiled(GraphicsContext&, |
| 197 const FloatRect& dstRect, | 200 const FloatRect& dstRect, |
| 198 const FloatPoint& srcPoint, | 201 const FloatPoint& srcPoint, |
| 199 const FloatSize& tileSize, | 202 const FloatSize& tileSize, |
| 200 SkXfermode::Mode, | 203 SkXfermode::Mode, |
| 201 const FloatSize& repeatSpacing); | 204 const FloatSize& repeatSpacing); |
| 202 void drawTiled(GraphicsContext&, | 205 void drawTiled(GraphicsContext&, |
| 203 const FloatRect& dstRect, | 206 const FloatRect& dstRect, |
| 204 const FloatRect& srcRect, | 207 const FloatRect& srcRect, |
| 205 const FloatSize& tileScaleFactor, | 208 const FloatSize& tileScaleFactor, |
| 206 TileRule hRule, | 209 TileRule hRule, |
| 207 TileRule vRule, | 210 TileRule vRule, |
| 208 SkXfermode::Mode); | 211 SkXfermode::Mode); |
| 209 | 212 |
| 210 private: | 213 private: |
| 211 RefPtr<SharedBuffer> m_encodedImageData; | 214 RefPtr<SharedBuffer> m_encodedImageData; |
| 212 // TODO(Oilpan): consider having Image on the Oilpan heap and | 215 // TODO(Oilpan): consider having Image on the Oilpan heap and |
| 213 // turn this into a Member<>. | 216 // turn this into a Member<>. |
| 214 // | 217 // |
| 215 // The observer (an ImageResource) is an untraced member, with the ImageResour
ce | 218 // The observer (an ImageResource) is an untraced member, with the |
| 216 // being responsible of clearing itself out. | 219 // ImageResource being responsible for clearing itself out. |
| 217 UntracedMember<ImageObserver> m_imageObserver; | 220 UntracedMember<ImageObserver> m_imageObserver; |
| 218 bool m_imageObserverDisabled; | 221 bool m_imageObserverDisabled; |
| 219 }; | 222 }; |
| 220 | 223 |
| 221 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 224 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
| 222 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), \ | 225 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), \ |
| 223 image.is##typeName()) | 226 image.is##typeName()) |
| 224 | 227 |
| 225 } // namespace blink | 228 } // namespace blink |
| 226 | 229 |
| 227 #endif | 230 #endif |
| OLD | NEW |