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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 REMOTING_CLIENT_FRAME_CONSUMER_H_ | 5 #ifndef REMOTING_CLIENT_FRAME_CONSUMER_H_ |
6 #define REMOTING_CLIENT_FRAME_CONSUMER_H_ | 6 #define REMOTING_CLIENT_FRAME_CONSUMER_H_ |
7 | 7 |
8 #include "third_party/skia/include/core/SkRect.h" | 8 #include "third_party/skia/include/core/SkRect.h" |
9 #include "third_party/skia/include/core/SkRegion.h" | 9 #include "third_party/skia/include/core/SkRegion.h" |
10 #include "third_party/skia/include/core/SkSize.h" | 10 #include "third_party/skia/include/core/SkSize.h" |
11 | 11 |
12 namespace pp { | 12 namespace pp { |
13 class ImageData; | 13 class ImageData; |
14 } // namespace pp | 14 } // namespace pp |
15 | 15 |
16 namespace remoting { | 16 namespace remoting { |
17 | 17 |
18 class FrameConsumer { | 18 class FrameConsumer { |
19 public: | 19 public: |
20 FrameConsumer() {} | |
21 virtual ~FrameConsumer() {} | |
22 | |
23 // Accepts a buffer to be painted to the screen. The buffer's dimensions and | 20 // Accepts a buffer to be painted to the screen. The buffer's dimensions and |
24 // relative position within the frame are specified by |clip_area|. Only | 21 // relative position within the frame are specified by |clip_area|. Only |
25 // pixels falling within |region| and the current clipping area are painted. | 22 // pixels falling within |region| and the current clipping area are painted. |
26 // The function assumes that the passed buffer was scaled to fit a window | 23 // The function assumes that the passed buffer was scaled to fit a window |
27 // having |view_size| dimensions. | 24 // having |view_size| dimensions. |
28 // | 25 // |
29 // N.B. Both |clip_area| and |region| are in output coordinates relative to | 26 // N.B. Both |clip_area| and |region| are in output coordinates relative to |
30 // the frame. | 27 // the frame. |
31 virtual void ApplyBuffer(const SkISize& view_size, | 28 virtual void ApplyBuffer(const SkISize& view_size, |
32 const SkIRect& clip_area, | 29 const SkIRect& clip_area, |
33 pp::ImageData* buffer, | 30 pp::ImageData* buffer, |
34 const SkRegion& region) = 0; | 31 const SkRegion& region) = 0; |
35 | 32 |
36 // Accepts a buffer that couldn't be used for drawing for any reason (shutdown | 33 // Accepts a buffer that couldn't be used for drawing for any reason (shutdown |
37 // is in progress, the view area has changed, etc.). The accepted buffer can | 34 // is in progress, the view area has changed, etc.). The accepted buffer can |
38 // be freed or reused for another drawing operation. | 35 // be freed or reused for another drawing operation. |
39 virtual void ReturnBuffer(pp::ImageData* buffer) = 0; | 36 virtual void ReturnBuffer(pp::ImageData* buffer) = 0; |
40 | 37 |
41 // Set the dimension of the entire host screen. | 38 // Set the dimension of the entire host screen. |
42 virtual void SetSourceSize(const SkISize& source_size) = 0; | 39 virtual void SetSourceSize(const SkISize& source_size) = 0; |
43 | 40 |
| 41 protected: |
| 42 FrameConsumer() {} |
| 43 virtual ~FrameConsumer() {} |
| 44 |
44 private: | 45 private: |
45 DISALLOW_COPY_AND_ASSIGN(FrameConsumer); | 46 DISALLOW_COPY_AND_ASSIGN(FrameConsumer); |
46 }; | 47 }; |
47 | 48 |
48 } // namespace remoting | 49 } // namespace remoting |
49 | 50 |
50 #endif // REMOTING_CLIENT_FRAME_CONSUMER_H_ | 51 #endif // REMOTING_CLIENT_FRAME_CONSUMER_H_ |
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