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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_SOFTWARE_OUTPUT_DEVICE_H_ | |
| 6 #define CC_SOFTWARE_OUTPUT_DEVICE_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "cc/base/cc_export.h" | |
| 10 #include "skia/ext/refptr.h" | |
| 11 #include "ui/gfx/rect.h" | |
| 12 #include "ui/gfx/size.h" | |
| 13 #include "ui/gfx/vector2d.h" | |
| 14 #include "ui/surface/transport_dib.h" | |
| 15 | |
| 16 class SkBitmap; | |
| 17 class SkDevice; | |
| 18 class SkCanvas; | |
| 19 | |
| 20 namespace cc { | |
| 21 | |
| 22 class SoftwareFrameData; | |
| 23 | |
| 24 // This is a "tear-off" class providing software drawing support to | |
| 25 // OutputSurface, such as to a platform-provided window framebuffer. | |
| 26 class CC_EXPORT SoftwareOutputDevice { | |
| 27 public: | |
| 28 | |
| 29 SoftwareOutputDevice(); | |
| 30 virtual ~SoftwareOutputDevice(); | |
| 31 | |
| 32 // SoftwareOutputDevice implementation | |
| 33 virtual void Resize(const gfx::Size& size); | |
| 34 | |
| 35 virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect); | |
| 36 virtual void EndPaint(SoftwareFrameData* frame_data=NULL); | |
| 37 | |
| 38 virtual void CopyToBitmap(const gfx::Rect& rect, SkBitmap* output); | |
| 39 virtual void Scroll(const gfx::Vector2d& delta, | |
| 40 const gfx::Rect& clip_rect); | |
| 41 | |
| 42 // TODO(skaslev) Remove this after UberCompositor lands. | |
| 43 virtual void ReclaimDIB(TransportDIB::Handle handle); | |
| 44 | |
| 45 protected: | |
| 46 gfx::Size viewport_size_; | |
| 47 gfx::Rect damage_rect_; | |
| 48 skia::RefPtr<SkDevice> device_; | |
| 49 skia::RefPtr<SkCanvas> canvas_; | |
| 50 | |
| 51 DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDevice); | |
| 52 }; | |
| 53 | |
| 54 } // namespace cc | |
| 55 | |
| 56 #endif // CC_SOFTWARE_OUTPUT_DEVICE_H_ | |
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