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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 |
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99 IntRect rect() const { return IntRect(IntPoint(), size()); } | 99 IntRect rect() const { return IntRect(IntPoint(), size()); } |
100 int width() const { return size().width(); } | 100 int width() const { return size().width(); } |
101 int height() const { return size().height(); } | 101 int height() const { return size().height(); } |
102 virtual bool getHotSpot(IntPoint&) const { return false; } | 102 virtual bool getHotSpot(IntPoint&) const { return false; } |
103 | 103 |
104 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); | 104 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
105 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } | 105 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } |
106 | 106 |
107 virtual String filenameExtension() const { return String(); } // null string
if unknown | 107 virtual String filenameExtension() const { return String(); } // null string
if unknown |
108 | 108 |
109 virtual void destroyDecodedData(bool destroyAll) = 0; | 109 virtual void destroyDecodedData() = 0; |
110 | 110 |
111 SharedBuffer* data() { return m_encodedImageData.get(); } | 111 SharedBuffer* data() { return m_encodedImageData.get(); } |
112 | 112 |
113 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. | 113 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. |
114 // It will automatically pause once all observers no longer want to render t
he image anywhere. | 114 // It will automatically pause once all observers no longer want to render t
he image anywhere. |
115 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; | 115 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; |
116 virtual void startAnimation(CatchUpAnimation = CatchUp) { } | 116 virtual void startAnimation(CatchUpAnimation = CatchUp) { } |
117 virtual void stopAnimation() {} | |
118 virtual void resetAnimation() {} | 117 virtual void resetAnimation() {} |
119 | 118 |
120 // True if this image can potentially animate. | 119 // True if this image can potentially animate. |
121 virtual bool maybeAnimated() { return false; } | 120 virtual bool maybeAnimated() { return false; } |
122 | 121 |
123 // Set animationPolicy | 122 // Set animationPolicy |
124 virtual void setAnimationPolicy(ImageAnimationPolicy) { } | 123 virtual void setAnimationPolicy(ImageAnimationPolicy) { } |
125 virtual ImageAnimationPolicy animationPolicy() { return ImageAnimationPolicy
Allowed; } | 124 virtual ImageAnimationPolicy animationPolicy() { return ImageAnimationPolicy
Allowed; } |
126 virtual void advanceTime(double deltaTimeInSeconds) { } | 125 virtual void advanceTime(double deltaTimeInSeconds) { } |
127 | 126 |
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182 UntracedMember<ImageObserver> m_imageObserver; | 181 UntracedMember<ImageObserver> m_imageObserver; |
183 bool m_imageObserverDisabled; | 182 bool m_imageObserverDisabled; |
184 }; | 183 }; |
185 | 184 |
186 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 185 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
187 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) | 186 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) |
188 | 187 |
189 } // namespace blink | 188 } // namespace blink |
190 | 189 |
191 #endif | 190 #endif |
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