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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_RESOURCES_PICTURE_PILE_IMPL_H_ | 5 #ifndef CC_RESOURCES_PICTURE_PILE_IMPL_H_ |
6 #define CC_RESOURCES_PICTURE_PILE_IMPL_H_ | 6 #define CC_RESOURCES_PICTURE_PILE_IMPL_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <map> | 9 #include <map> |
10 #include <set> | 10 #include <set> |
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45 | 45 |
46 // Similar to the above RasterDirect method, but this is a convenience method | 46 // Similar to the above RasterDirect method, but this is a convenience method |
47 // for when it is known that the raster is going to an intermediate bitmap | 47 // for when it is known that the raster is going to an intermediate bitmap |
48 // that itself will then be blended and thus that a canvas clear is required. | 48 // that itself will then be blended and thus that a canvas clear is required. |
49 void RasterToBitmap( | 49 void RasterToBitmap( |
50 SkCanvas* canvas, | 50 SkCanvas* canvas, |
51 gfx::Rect canvas_rect, | 51 gfx::Rect canvas_rect, |
52 float contents_scale, | 52 float contents_scale, |
53 RenderingStatsInstrumentation* stats_instrumentation); | 53 RenderingStatsInstrumentation* stats_instrumentation); |
54 | 54 |
55 // Called when analyzing a tile. We can use AnalysisCanvas as | |
56 // SkDrawPictureCallback, which allows us to early out from analysis. | |
57 void RasterForAnalysis( | |
58 skia::AnalysisCanvas* canvas, | |
59 gfx::Rect canvas_rect, | |
60 float contents_scale, | |
61 RenderingStatsInstrumentation* stats_instrumentation); | |
62 | |
63 skia::RefPtr<SkPicture> GetFlattenedPicture(); | 55 skia::RefPtr<SkPicture> GetFlattenedPicture(); |
64 | 56 |
65 struct CC_EXPORT Analysis { | 57 struct CC_EXPORT Analysis { |
66 Analysis(); | 58 Analysis(); |
67 ~Analysis(); | 59 ~Analysis(); |
68 | 60 |
69 bool is_solid_color; | 61 bool is_solid_color; |
70 bool has_text; | 62 bool has_text; |
71 SkColor solid_color; | 63 SkColor solid_color; |
72 }; | 64 }; |
73 | 65 |
74 void AnalyzeInRect(gfx::Rect content_rect, | |
75 float contents_scale, | |
76 Analysis* analysis); | |
77 | |
78 void AnalyzeInRect(gfx::Rect content_rect, | |
79 float contents_scale, | |
80 Analysis* analysis, | |
81 RenderingStatsInstrumentation* stats_instrumentation); | |
82 | |
83 class CC_EXPORT PixelRefIterator { | 66 class CC_EXPORT PixelRefIterator { |
84 public: | 67 public: |
85 PixelRefIterator(gfx::Rect content_rect, | 68 PixelRefIterator(gfx::Rect content_rect, |
86 float contents_scale, | 69 float contents_scale, |
87 const PicturePileImpl* picture_pile); | 70 const PicturePileImpl* picture_pile); |
88 ~PixelRefIterator(); | 71 ~PixelRefIterator(); |
89 | 72 |
90 skia::LazyPixelRef* operator->() const { return *pixel_ref_iterator_; } | 73 skia::LazyPixelRef* operator->() const { return *pixel_ref_iterator_; } |
91 skia::LazyPixelRef* operator*() const { return *pixel_ref_iterator_; } | 74 skia::LazyPixelRef* operator*() const { return *pixel_ref_iterator_; } |
92 PixelRefIterator& operator++(); | 75 PixelRefIterator& operator++(); |
93 operator bool() const { return pixel_ref_iterator_; } | 76 operator bool() const { return pixel_ref_iterator_; } |
94 | 77 |
95 private: | 78 private: |
96 void AdvanceToTilePictureWithPixelRefs(); | 79 void AdvanceToTilePictureWithPixelRefs(); |
97 | 80 |
98 const PicturePileImpl* picture_pile_; | 81 const PicturePileImpl* picture_pile_; |
99 gfx::Rect layer_rect_; | 82 gfx::Rect layer_rect_; |
100 TilingData::Iterator tile_iterator_; | 83 TilingData::Iterator tile_iterator_; |
101 Picture::PixelRefIterator pixel_ref_iterator_; | 84 Picture::PixelRefIterator pixel_ref_iterator_; |
102 std::set<const void*> processed_pictures_; | 85 std::set<const void*> processed_pictures_; |
103 }; | 86 }; |
104 | 87 |
| 88 gfx::Rect AnalysisRectForRaster(gfx::Rect content_rect, |
| 89 float contents_scale) const; |
| 90 |
105 void DidBeginTracing(); | 91 void DidBeginTracing(); |
106 | 92 |
107 protected: | 93 protected: |
108 friend class PicturePile; | 94 friend class PicturePile; |
109 friend class PixelRefIterator; | 95 friend class PixelRefIterator; |
110 | 96 |
111 PicturePileImpl(); | 97 PicturePileImpl(); |
112 explicit PicturePileImpl(const PicturePileBase* other); | 98 explicit PicturePileImpl(const PicturePileBase* other); |
113 virtual ~PicturePileImpl(); | 99 virtual ~PicturePileImpl(); |
114 | 100 |
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129 | 115 |
130 private: | 116 private: |
131 typedef std::map<Picture*, Region> PictureRegionMap; | 117 typedef std::map<Picture*, Region> PictureRegionMap; |
132 void CoalesceRasters(gfx::Rect canvas_rect, | 118 void CoalesceRasters(gfx::Rect canvas_rect, |
133 gfx::Rect content_rect, | 119 gfx::Rect content_rect, |
134 float contents_scale, | 120 float contents_scale, |
135 PictureRegionMap* result); | 121 PictureRegionMap* result); |
136 | 122 |
137 void RasterCommon( | 123 void RasterCommon( |
138 SkCanvas* canvas, | 124 SkCanvas* canvas, |
139 SkDrawPictureCallback* callback, | |
140 gfx::Rect canvas_rect, | 125 gfx::Rect canvas_rect, |
141 float contents_scale, | 126 float contents_scale, |
142 RenderingStatsInstrumentation* rendering_stats_instrumentation, | 127 RenderingStatsInstrumentation* rendering_stats_instrumentation); |
143 bool is_analysis); | |
144 | 128 |
145 // Once instantiated, |clones_for_drawing_| can't be modified. This | 129 // Once instantiated, |clones_for_drawing_| can't be modified. This |
146 // guarantees thread-safe access during the life time of a PicturePileImpl | 130 // guarantees thread-safe access during the life time of a PicturePileImpl |
147 // instance. This member variable must be last so that other member | 131 // instance. This member variable must be last so that other member |
148 // variables have already been initialized and can be clonable. | 132 // variables have already been initialized and can be clonable. |
149 const ClonesForDrawing clones_for_drawing_; | 133 const ClonesForDrawing clones_for_drawing_; |
150 | 134 |
151 DISALLOW_COPY_AND_ASSIGN(PicturePileImpl); | 135 DISALLOW_COPY_AND_ASSIGN(PicturePileImpl); |
152 }; | 136 }; |
153 | 137 |
154 } // namespace cc | 138 } // namespace cc |
155 | 139 |
156 #endif // CC_RESOURCES_PICTURE_PILE_IMPL_H_ | 140 #endif // CC_RESOURCES_PICTURE_PILE_IMPL_H_ |
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