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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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75 virtual bool currentFrameIsLazyDecoded() { return false; } | 75 virtual bool currentFrameIsLazyDecoded() { return false; } |
76 virtual bool isTextureBacked(); | 76 virtual bool isTextureBacked(); |
77 | 77 |
78 // Derived classes should override this if they can assure that the current | 78 // Derived classes should override this if they can assure that the current |
79 // image frame contains only resources from its own security origin. | 79 // image frame contains only resources from its own security origin. |
80 virtual bool currentFrameHasSingleSecurityOrigin() const { return false; } | 80 virtual bool currentFrameHasSingleSecurityOrigin() const { return false; } |
81 | 81 |
82 static Image* nullImage(); | 82 static Image* nullImage(); |
83 bool isNull() const { return size().isEmpty(); } | 83 bool isNull() const { return size().isEmpty(); } |
84 | 84 |
85 virtual void setContainerSize(const IntSize&) { } | |
86 virtual bool usesContainerSize() const { return false; } | 85 virtual bool usesContainerSize() const { return false; } |
87 virtual bool hasRelativeWidth() const { return false; } | 86 virtual bool hasRelativeWidth() const { return false; } |
88 virtual bool hasRelativeHeight() const { return false; } | 87 virtual bool hasRelativeHeight() const { return false; } |
89 | 88 |
90 // Computes (extracts) the intrinsic dimensions and ratio from the Image. Th
e intrinsic ratio | 89 // Computes (extracts) the intrinsic dimensions and ratio from the Image. Th
e intrinsic ratio |
91 // will be the 'viewport' of the image. (Same as the dimensions for a raster
image. For SVG | 90 // will be the 'viewport' of the image. (Same as the dimensions for a raster
image. For SVG |
92 // images it can be the dimensions defined by the 'viewBox'.) | 91 // images it can be the dimensions defined by the 'viewBox'.) |
93 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); | 92 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr
insicHeight, FloatSize& intrinsicRatio); |
94 | 93 |
95 virtual IntSize size() const = 0; | 94 virtual IntSize size() const = 0; |
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158 RefPtr<SharedBuffer> m_encodedImageData; | 157 RefPtr<SharedBuffer> m_encodedImageData; |
159 ImageObserver* m_imageObserver; | 158 ImageObserver* m_imageObserver; |
160 }; | 159 }; |
161 | 160 |
162 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ | 161 #define DEFINE_IMAGE_TYPE_CASTS(typeName) \ |
163 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) | 162 DEFINE_TYPE_CASTS(typeName, Image, image, image->is##typeName(), image.is##t
ypeName()) |
164 | 163 |
165 } // namespace blink | 164 } // namespace blink |
166 | 165 |
167 #endif | 166 #endif |
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