blob: a7c0d3c6ad117f5b123da1cddbf2cf48cb5aa70e [file] [log] [blame]
// 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() OVERRIDE;
virtual media::VideoFrame::Format pixel_format() const OVERRIDE;
virtual void ClearInvalidRegion() OVERRIDE;
virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
virtual void InvalidateScreen(const gfx::Size& size) OVERRIDE;
virtual void InvalidateFullScreen() OVERRIDE;
virtual void CaptureInvalidRegion(CaptureCompletedCallback* callback)
OVERRIDE;
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_