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1 // Copyright (c) 2011 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 REMOTING_HOST_CAPTURER_FAKE_ASCII_H_ | |
6 #define REMOTING_HOST_CAPTURER_FAKE_ASCII_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "remoting/host/capturer.h" | |
10 #include "remoting/host/capturer_helper.h" | |
11 | |
12 namespace remoting { | |
13 | |
14 // A CapturerFakeAscii always outputs an image of 64x48 ASCII characters. | |
15 // This image is artificially generated for testing purpose. | |
16 // | |
17 // CapturerFakeAscii is doubled buffered as required by Capturer. See | |
18 // remoting/host/capturer.h. | |
19 class CapturerFakeAscii : public Capturer { | |
20 public: | |
21 CapturerFakeAscii(); | |
22 virtual ~CapturerFakeAscii(); | |
23 | |
24 // Capturer interface. | |
25 virtual void ScreenConfigurationChanged() OVERRIDE; | |
26 virtual media::VideoFrame::Format pixel_format() const OVERRIDE; | |
27 virtual void ClearInvalidRegion() OVERRIDE; | |
28 virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE; | |
29 virtual void InvalidateScreen(const SkISize& size) OVERRIDE; | |
30 virtual void InvalidateFullScreen() OVERRIDE; | |
31 virtual void CaptureInvalidRegion( | |
32 const CaptureCompletedCallback& callback) OVERRIDE; | |
33 virtual const SkISize& size_most_recent() const OVERRIDE; | |
34 | |
35 private: | |
36 // Generates an image in the front buffer. | |
37 void GenerateImage(); | |
38 | |
39 // The screen dimensions. | |
40 int width_; | |
41 int height_; | |
42 int bytes_per_row_; | |
43 | |
44 CapturerHelper helper_; | |
45 | |
46 // We have two buffers for the screen images as required by Capturer. | |
47 static const int kNumBuffers = 2; | |
48 scoped_array<uint8> buffers_[kNumBuffers]; | |
49 | |
50 // The current buffer with valid data for reading. | |
51 int current_buffer_; | |
52 | |
53 // Format of pixels returned in buffer. | |
54 media::VideoFrame::Format pixel_format_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(CapturerFakeAscii); | |
57 }; | |
58 | |
59 } // namespace remoting | |
60 | |
61 #endif // REMOTING_HOST_CAPTURER_FAKE_ASCII_H_ | |
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