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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_PICTURE_H_ | |
| 6 #define CC_PICTURE_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "cc/base/cc_export.h" | |
| 13 #include "skia/ext/lazy_pixel_ref.h" | |
| 14 #include "skia/ext/refptr.h" | |
| 15 #include "third_party/skia/include/core/SkPixelRef.h" | |
| 16 #include "third_party/skia/include/core/SkTileGridPicture.h" | |
| 17 #include "ui/gfx/rect.h" | |
| 18 | |
| 19 namespace skia { | |
| 20 class AnalysisCanvas; | |
| 21 } | |
| 22 | |
| 23 namespace cc { | |
| 24 | |
| 25 class ContentLayerClient; | |
| 26 struct RenderingStats; | |
| 27 | |
| 28 class CC_EXPORT Picture | |
| 29 : public base::RefCountedThreadSafe<Picture> { | |
| 30 public: | |
| 31 static scoped_refptr<Picture> Create(gfx::Rect layer_rect); | |
| 32 | |
| 33 const gfx::Rect& LayerRect() const { return layer_rect_; } | |
| 34 const gfx::Rect& OpaqueRect() const { return opaque_rect_; } | |
| 35 | |
| 36 // Get thread-safe clone for rasterizing with on a specific thread. | |
| 37 scoped_refptr<Picture> GetCloneForDrawingOnThread( | |
| 38 unsigned thread_index) const; | |
| 39 | |
| 40 // Make thread-safe clones for rasterizing with. | |
| 41 void CloneForDrawing(int num_threads); | |
| 42 | |
| 43 // Record a paint operation. To be able to safely use this SkPicture for | |
| 44 // playback on a different thread this can only be called once. | |
| 45 void Record(ContentLayerClient*, RenderingStats*, | |
| 46 const SkTileGridPicture::TileGridInfo& tileGridInfo); | |
| 47 | |
| 48 // Has Record() been called yet? | |
| 49 bool HasRecording() const { return picture_.get() != NULL; } | |
| 50 | |
| 51 // Apply this contents scale and raster the content rect into the canvas. | |
| 52 void Raster(SkCanvas* canvas, gfx::Rect content_rect, float contents_scale); | |
| 53 | |
| 54 void GatherPixelRefs( | |
| 55 const gfx::Rect& layer_rect, | |
| 56 std::list<skia::LazyPixelRef*>& pixel_ref_list); | |
| 57 | |
| 58 private: | |
| 59 Picture(gfx::Rect layer_rect); | |
| 60 // This constructor assumes SkPicture is already ref'd and transfers | |
| 61 // ownership to this picture. | |
| 62 Picture(const skia::RefPtr<SkPicture>&, | |
| 63 gfx::Rect layer_rect, | |
| 64 gfx::Rect opaque_rect); | |
| 65 ~Picture(); | |
| 66 | |
| 67 gfx::Rect layer_rect_; | |
| 68 gfx::Rect opaque_rect_; | |
| 69 skia::RefPtr<SkPicture> picture_; | |
| 70 | |
| 71 typedef std::vector<scoped_refptr<Picture> > PictureVector; | |
| 72 PictureVector clones_; | |
| 73 | |
| 74 friend class base::RefCountedThreadSafe<Picture>; | |
| 75 DISALLOW_COPY_AND_ASSIGN(Picture); | |
| 76 }; | |
| 77 | |
| 78 } // namespace cc | |
| 79 | |
| 80 #endif // CC_PICTURE_H_ | |
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Chromium Code Reviews
Issue 12471007:
Part 8 of cc/ directory shuffles: resources (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src