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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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94 | 94 |
95 virtual bool usesContainerSize() const { return false; } | 95 virtual bool usesContainerSize() const { return false; } |
96 virtual bool hasRelativeSize() const { return false; } | 96 virtual bool hasRelativeSize() const { return false; } |
97 | 97 |
98 virtual IntSize size() const = 0; | 98 virtual IntSize size() const = 0; |
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 virtual bool setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); | 104 enum SizeAvailability { |
105 virtual bool dataChanged(bool /*allDataReceived*/) { return false; } | 105 SizeAvailable, |
| 106 SizeUnavailable |
| 107 }; |
| 108 virtual SizeAvailability setData(PassRefPtr<SharedBuffer> data, bool allData
Received); |
| 109 virtual SizeAvailability dataChanged(bool /*allDataReceived*/) { return Size
Unavailable; } |
106 | 110 |
107 virtual String filenameExtension() const { return String(); } // null string
if unknown | 111 virtual String filenameExtension() const { return String(); } // null string
if unknown |
108 | 112 |
109 virtual void destroyDecodedData() = 0; | 113 virtual void destroyDecodedData() = 0; |
110 | 114 |
111 virtual PassRefPtr<SharedBuffer> data() { return m_encodedImageData; } | 115 virtual PassRefPtr<SharedBuffer> data() { return m_encodedImageData; } |
112 | 116 |
113 // Animation begins whenever someone draws the image, so startAnimation() is
not normally called. | 117 // 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. | 118 // It will automatically pause once all observers no longer want to render t
he image anywhere. |
115 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; | 119 enum CatchUpAnimation { DoNotCatchUp, CatchUp }; |
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181 UntracedMember<ImageObserver> m_imageObserver; | 185 UntracedMember<ImageObserver> m_imageObserver; |
182 bool m_imageObserverDisabled; | 186 bool m_imageObserverDisabled; |
183 }; | 187 }; |
184 | 188 |
185 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 189 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
186 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) | 190 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) |
187 | 191 |
188 } // namespace blink | 192 } // namespace blink |
189 | 193 |
190 #endif | 194 #endif |
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