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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_CAPTURER_FAKE_ASCII_H_
#define REMOTING_HOST_CAPTURER_FAKE_ASCII_H_
#include "base/memory/scoped_ptr.h"
#include "remoting/host/capturer.h"
#include "remoting/host/capturer_helper.h"
namespace remoting {
// A CapturerFakeAscii always outputs an image of 64x48 ASCII characters.
// This image is artificially generated for testing purpose.
//
// CapturerFakeAscii is doubled buffered as required by Capturer. See
// remoting/host/capturer.h.
class CapturerFakeAscii : public Capturer {
public:
CapturerFakeAscii();
virtual ~CapturerFakeAscii();
// Capturer interface.
virtual void ScreenConfigurationChanged();
virtual media::VideoFrame::Format pixel_format() const;
virtual void ClearInvalidRects();
virtual void InvalidateRects(const InvalidRects& inval_rects);
virtual void InvalidateScreen(const gfx::Size& size);
virtual void InvalidateFullScreen();
virtual void CaptureInvalidRects(CaptureCompletedCallback* callback);
virtual const gfx::Size& size_most_recent() const;
private:
// Generates an image in the front buffer.
void GenerateImage();
// The screen dimensions.
int width_;
int height_;
int bytes_per_row_;
CapturerHelper helper;
// We have two buffers for the screen images as required by Capturer.
static const int kNumBuffers = 2;
scoped_array<uint8> buffers_[kNumBuffers];
// The current buffer with valid data for reading.
int current_buffer_;
// Format of pixels returned in buffer.
media::VideoFrame::Format pixel_format_;
DISALLOW_COPY_AND_ASSIGN(CapturerFakeAscii);
};
} // namespace remoting
#endif // REMOTING_HOST_CAPTURER_FAKE_ASCII_H_
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