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/*
Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <wx/wx.h>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/signals2.hpp>
namespace dcp {
class OpenJPEGImage;
}
class PlayerVideo;
class Image;
class FilmViewer;
class VideoWaveformPlot : public wxPanel
{
public:
VideoWaveformPlot (wxWindow* parent, FilmViewer* viewer);
void set_enabled (bool e);
void set_component (int c);
void set_contrast (int b);
private:
void paint ();
void sized (wxSizeEvent &);
void create_waveform ();
void set_image (boost::weak_ptr<PlayerVideo>);
boost::shared_ptr<dcp::OpenJPEGImage> _image;
boost::shared_ptr<const Image> _waveform;
bool _dirty;
bool _enabled;
int _component;
int _contrast;
static int const _vertical_margin;
boost::signals2::connection _viewer_connection;
};
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