OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. | 2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef SVGImageCache_h | 20 #ifndef SVGImageCache_h |
21 #define SVGImageCache_h | 21 #define SVGImageCache_h |
22 | 22 |
23 #if ENABLE(SVG) | 23 #if ENABLE(SVG) |
24 #include "FloatSize.h" | 24 #include "FloatSize.h" |
25 #include "Image.h" | 25 #include "Image.h" |
26 #include "IntSize.h" | 26 #include "IntSize.h" |
27 #include "Timer.h" | |
28 #include <wtf/HashMap.h> | 27 #include <wtf/HashMap.h> |
29 #include <wtf/PassOwnPtr.h> | 28 #include <wtf/PassOwnPtr.h> |
30 #include <wtf/RefPtr.h> | 29 #include <wtf/RefPtr.h> |
31 | 30 |
32 namespace WebCore { | 31 namespace WebCore { |
33 | 32 |
34 class CachedImage; | 33 class CachedImage; |
35 class CachedImageClient; | 34 class CachedImageClient; |
36 class ImageBuffer; | 35 class ImageBuffer; |
37 class SVGImage; | 36 class SVGImage; |
| 37 class SVGImageForContainer; |
38 class RenderObject; | 38 class RenderObject; |
39 | 39 |
40 class SVGImageCache { | 40 class SVGImageCache { |
41 WTF_MAKE_FAST_ALLOCATED; | 41 WTF_MAKE_FAST_ALLOCATED; |
42 public: | 42 public: |
43 ~SVGImageCache(); | 43 ~SVGImageCache(); |
44 | 44 |
45 static PassOwnPtr<SVGImageCache> create(SVGImage* image) | 45 static PassOwnPtr<SVGImageCache> create(SVGImage* image) |
46 { | 46 { |
47 return adoptPtr(new SVGImageCache(image)); | 47 return adoptPtr(new SVGImageCache(image)); |
48 } | 48 } |
49 | 49 |
50 struct SizeAndScales { | |
51 SizeAndScales() | |
52 : zoom(1) | |
53 , scale(0) | |
54 { | |
55 } | |
56 | |
57 SizeAndScales(const FloatSize& newSize, float newZoom, float newScale) | |
58 : size(newSize) | |
59 , zoom(newZoom) | |
60 , scale(newScale) | |
61 { | |
62 } | |
63 | |
64 SizeAndScales(const FloatSize& newSize, float newZoom) | |
65 : size(newSize) | |
66 , zoom(newZoom) | |
67 , scale(0) | |
68 { | |
69 } | |
70 | |
71 FloatSize size; // This is the container size without zoom. | |
72 float zoom; | |
73 float scale; // A scale of 0 indicates that the default scale should be
used. | |
74 }; | |
75 | |
76 void removeClientFromCache(const CachedImageClient*); | 50 void removeClientFromCache(const CachedImageClient*); |
77 | 51 |
78 void setContainerSizeForRenderer(const CachedImageClient*, const IntSize&, f
loat); | 52 void setContainerSizeForRenderer(const CachedImageClient*, const IntSize&, f
loat); |
79 IntSize imageSizeForRenderer(const RenderObject*) const; | 53 IntSize imageSizeForRenderer(const RenderObject*) const; |
80 | 54 |
81 Image* lookupOrCreateBitmapImageForRenderer(const RenderObject*); | 55 Image* imageForRenderer(const RenderObject*); |
82 void imageContentChanged(); | |
83 | 56 |
84 private: | 57 private: |
85 SVGImageCache(SVGImage*); | 58 SVGImageCache(SVGImage*); |
86 void redraw(); | |
87 void redrawTimerFired(Timer<SVGImageCache>*); | |
88 void cacheClearTimerFired(DeferrableOneShotTimer<SVGImageCache>*); | |
89 void clearBitmapCache(); | |
90 | 59 |
91 struct ImageData { | 60 typedef HashMap<const CachedImageClient*, RefPtr<SVGImageForContainer> > Ima
geForContainerMap; |
92 ImageData() | |
93 : imageNeedsUpdate(false) | |
94 , buffer(0) | |
95 { | |
96 } | |
97 | |
98 ImageData(ImageBuffer* newBuffer, PassRefPtr<Image> newImage, const Size
AndScales& newSizeAndScales) | |
99 : imageNeedsUpdate(false) | |
100 , sizeAndScales(newSizeAndScales) | |
101 , buffer(newBuffer) | |
102 , image(newImage) | |
103 { | |
104 } | |
105 | |
106 bool imageNeedsUpdate; | |
107 SizeAndScales sizeAndScales; | |
108 | |
109 ImageBuffer* buffer; | |
110 RefPtr<Image> image; | |
111 }; | |
112 | |
113 typedef HashMap<const CachedImageClient*, SizeAndScales> SizeAndScalesMap; | |
114 typedef HashMap<const CachedImageClient*, ImageData> ImageDataMap; | |
115 | 61 |
116 SVGImage* m_svgImage; | 62 SVGImage* m_svgImage; |
117 SizeAndScalesMap m_sizeAndScalesMap; | 63 ImageForContainerMap m_imageForContainerMap; |
118 ImageDataMap m_imageDataMap; | |
119 Timer<SVGImageCache> m_redrawTimer; | |
120 DeferrableOneShotTimer<SVGImageCache> m_cacheClearTimer; | |
121 }; | 64 }; |
122 | 65 |
123 } // namespace WebCore | 66 } // namespace WebCore |
124 | 67 |
125 #endif // ENABLE(SVG) | 68 #endif // ENABLE(SVG) |
126 #endif // SVGImageCache_h | 69 #endif // SVGImageCache_h |
OLD | NEW |