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1 /* | 1 /* |
2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> | 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> |
4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
6 | 6 |
7 This library is free software; you can redistribute it and/or | 7 This library is free software; you can redistribute it and/or |
8 modify it under the terms of the GNU Library General Public | 8 modify it under the terms of the GNU Library General Public |
9 License as published by the Free Software Foundation; either | 9 License as published by the Free Software Foundation; either |
10 version 2 of the License, or (at your option) any later version. | 10 version 2 of the License, or (at your option) any later version. |
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68 return new ImageResource(request, ResourceLoaderOptions()); | 68 return new ImageResource(request, ResourceLoaderOptions()); |
69 } | 69 } |
70 | 70 |
71 ~ImageResource() override; | 71 ~ImageResource() override; |
72 | 72 |
73 blink::Image* | 73 blink::Image* |
74 getImage(); // Returns the nullImage() if the image is not available yet. | 74 getImage(); // Returns the nullImage() if the image is not available yet. |
75 bool hasImage() const { return m_image.get(); } | 75 bool hasImage() const { return m_image.get(); } |
76 | 76 |
77 static std::pair<blink::Image*, float> brokenImage( | 77 static std::pair<blink::Image*, float> brokenImage( |
78 float | 78 float deviceScaleFactor); // Returns an image and the image's resolution |
79 deviceScaleFactor); // Returns an image and the image's resolution sc
ale factor. | 79 // scale factor. |
80 bool willPaintBrokenImage() const; | 80 bool willPaintBrokenImage() const; |
81 | 81 |
82 bool usesImageContainerSize() const; | 82 bool usesImageContainerSize() const; |
83 bool imageHasRelativeSize() const; | 83 bool imageHasRelativeSize() const; |
84 // The device pixel ratio we got from the server for this image, or 1.0. | 84 // The device pixel ratio we got from the server for this image, or 1.0. |
85 float devicePixelRatioHeaderValue() const { | 85 float devicePixelRatioHeaderValue() const { |
86 return m_devicePixelRatioHeaderValue; | 86 return m_devicePixelRatioHeaderValue; |
87 } | 87 } |
88 bool hasDevicePixelRatioHeaderValue() const { | 88 bool hasDevicePixelRatioHeaderValue() const { |
89 return m_hasDevicePixelRatioHeaderValue; | 89 return m_hasDevicePixelRatioHeaderValue; |
90 } | 90 } |
91 | 91 |
92 enum SizeType { | 92 enum SizeType { |
93 IntrinsicSize, // Report the intrinsic size. | 93 // Report the intrinsic size. |
94 IntrinsicCorrectedToDPR, // Report the intrinsic size corrected to account
for image density. | 94 IntrinsicSize, |
| 95 |
| 96 // Report the intrinsic size corrected to account for image density. |
| 97 IntrinsicCorrectedToDPR, |
95 }; | 98 }; |
96 // This method takes a zoom multiplier that can be used to increase the natura
l size of the image by the zoom. | 99 |
| 100 // This method takes a zoom multiplier that can be used to increase the |
| 101 // natural size of the image by the zoom. |
97 LayoutSize imageSize( | 102 LayoutSize imageSize( |
98 RespectImageOrientationEnum shouldRespectImageOrientation, | 103 RespectImageOrientationEnum shouldRespectImageOrientation, |
99 float multiplier, | 104 float multiplier, |
100 SizeType = IntrinsicSize); | 105 SizeType = IntrinsicSize); |
101 | 106 |
102 bool isAccessAllowed(SecurityOrigin*); | 107 bool isAccessAllowed(SecurityOrigin*); |
103 | 108 |
104 void updateImageAnimationPolicy(); | 109 void updateImageAnimationPolicy(); |
105 | 110 |
106 // If this ImageResource has the Lo-Fi response headers, reload it with | 111 // If this ImageResource has the Lo-Fi response headers, reload it with the |
107 // the Lo-Fi state set to off and bypassing the cache. | 112 // Lo-Fi state set to off and bypassing the cache. |
108 void reloadIfLoFi(ResourceFetcher*); | 113 void reloadIfLoFi(ResourceFetcher*); |
109 | 114 |
110 void didAddClient(ResourceClient*) override; | 115 void didAddClient(ResourceClient*) override; |
111 | 116 |
112 void addObserver(ImageResourceObserver*); | 117 void addObserver(ImageResourceObserver*); |
113 void removeObserver(ImageResourceObserver*); | 118 void removeObserver(ImageResourceObserver*); |
114 | 119 |
115 ResourcePriority priorityFromObservers() override; | 120 ResourcePriority priorityFromObservers() override; |
116 | 121 |
117 void allClientsAndObserversRemoved() override; | 122 void allClientsAndObserversRemoved() override; |
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199 bool m_hasDevicePixelRatioHeaderValue; | 204 bool m_hasDevicePixelRatioHeaderValue; |
200 HashCountedSet<ImageResourceObserver*> m_observers; | 205 HashCountedSet<ImageResourceObserver*> m_observers; |
201 HashCountedSet<ImageResourceObserver*> m_finishedObservers; | 206 HashCountedSet<ImageResourceObserver*> m_finishedObservers; |
202 }; | 207 }; |
203 | 208 |
204 DEFINE_RESOURCE_TYPE_CASTS(Image); | 209 DEFINE_RESOURCE_TYPE_CASTS(Image); |
205 | 210 |
206 } // namespace blink | 211 } // namespace blink |
207 | 212 |
208 #endif | 213 #endif |
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