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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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83 virtual bool currentFrameIsLazyDecoded() { return false; } | 83 virtual bool currentFrameIsLazyDecoded() { return false; } |
84 virtual bool isTextureBacked(); | 84 virtual bool isTextureBacked(); |
85 | 85 |
86 // Derived classes should override this if they can assure that the current | 86 // Derived classes should override this if they can assure that the current |
87 // image frame contains only resources from its own security origin. | 87 // image frame contains only resources from its own security origin. |
88 virtual bool currentFrameHasSingleSecurityOrigin() const { return false; } | 88 virtual bool currentFrameHasSingleSecurityOrigin() const { return false; } |
89 | 89 |
90 static Image* nullImage(); | 90 static Image* nullImage(); |
91 bool isNull() const { return size().isEmpty(); } | 91 bool isNull() const { return size().isEmpty(); } |
92 | 92 |
93 virtual void setContainerSize(const IntSize&) { } | |
94 virtual bool usesContainerSize() const { return false; } | 93 virtual bool usesContainerSize() const { return false; } |
95 virtual bool hasRelativeWidth() const { return false; } | 94 virtual bool hasRelativeWidth() const { return false; } |
96 virtual bool hasRelativeHeight() const { return false; } | 95 virtual bool hasRelativeHeight() const { return false; } |
97 | 96 |
98 // Computes (extracts) the intrinsic dimensions and ratio from the Image. Th
e intrinsic ratio | 97 // Computes (extracts) the intrinsic dimensions and ratio from the Image. Th
e intrinsic ratio |
99 // will be the 'viewport' of the image. (Same as the dimensions for a raster
image. For SVG | 98 // will be the 'viewport' of the image. (Same as the dimensions for a raster
image. For SVG |
100 // images it can be the dimensions defined by the 'viewBox'.) | 99 // images it can be the dimensions defined by the 'viewBox'.) |
101 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); | 100 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); |
102 | 101 |
103 virtual IntSize size() const = 0; | 102 virtual IntSize size() const = 0; |
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166 RefPtr<SharedBuffer> m_encodedImageData; | 165 RefPtr<SharedBuffer> m_encodedImageData; |
167 ImageObserver* m_imageObserver; | 166 ImageObserver* m_imageObserver; |
168 }; | 167 }; |
169 | 168 |
170 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 169 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
171 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) | 170 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) |
172 | 171 |
173 } // namespace blink | 172 } // namespace blink |
174 | 173 |
175 #endif | 174 #endif |
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