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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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97 IntRect rect() const { return IntRect(IntPoint(), size()); } | 97 IntRect rect() const { return IntRect(IntPoint(), size()); } |
98 int width() const { return size().width(); } | 98 int width() const { return size().width(); } |
99 int height() const { return size().height(); } | 99 int height() const { return size().height(); } |
100 virtual bool getHotSpot(IntPoint&) const { return false; } | 100 virtual bool getHotSpot(IntPoint&) const { return false; } |
101 | 101 |
102 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); | 102 bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
103 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } | 103 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } |
104 | 104 |
105 virtual String filenameExtension() const { return String(); } // null string
if unknown | 105 virtual String filenameExtension() const { return String(); } // null string
if unknown |
106 | 106 |
107 virtual void destroyDecodedData(bool destroyAll) = 0; | 107 virtual void destroyDecodedData() = 0; |
108 | 108 |
109 SharedBuffer* data() { return m_encodedImageData.get(); } | 109 SharedBuffer* data() { return m_encodedImageData.get(); } |
110 | 110 |
111 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. | 111 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. |
112 // It will automatically pause once all observers no longer want to render t
he image anywhere. | 112 // It will automatically pause once all observers no longer want to render t
he image anywhere. |
113 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; | 113 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; |
114 virtual void startAnimation(CatchUpAnimation = CatchUp) { } | 114 virtual void startAnimation(CatchUpAnimation = CatchUp) { } |
115 virtual void stopAnimation() {} | |
116 virtual void resetAnimation() {} | 115 virtual void resetAnimation() {} |
117 | 116 |
118 // True if this image can potentially animate. | 117 // True if this image can potentially animate. |
119 virtual bool maybeAnimated() { return false; } | 118 virtual bool maybeAnimated() { return false; } |
120 | 119 |
121 // Set animationPolicy | 120 // Set animationPolicy |
122 virtual void setAnimationPolicy(ImageAnimationPolicy) { } | 121 virtual void setAnimationPolicy(ImageAnimationPolicy) { } |
123 virtual ImageAnimationPolicy animationPolicy() { return ImageAnimationPolicy
Allowed; } | 122 virtual ImageAnimationPolicy animationPolicy() { return ImageAnimationPolicy
Allowed; } |
124 virtual void advanceTime(double deltaTimeInSeconds) { } | 123 virtual void advanceTime(double deltaTimeInSeconds) { } |
125 | 124 |
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167 UntracedMember<ImageObserver> m_imageObserver; | 166 UntracedMember<ImageObserver> m_imageObserver; |
168 bool m_imageObserverDisabled; | 167 bool m_imageObserverDisabled; |
169 }; | 168 }; |
170 | 169 |
171 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 170 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
172 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) | 171 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) |
173 | 172 |
174 } // namespace blink | 173 } // namespace blink |
175 | 174 |
176 #endif | 175 #endif |
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