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/*
Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <wx/wx.h>
#include <boost/signals2.hpp>
LIBDCP_ENABLE_WARNINGS
namespace dcp {
class OpenJPEGImage;
}
class PlayerVideo;
class Image;
class Film;
class FilmViewer;
class VideoWaveformPlot : public wxPanel
{
public:
VideoWaveformPlot(wxWindow* parent, std::weak_ptr<const Film> film, FilmViewer& viewer);
void set_enabled (bool e);
void set_component (int c);
void set_contrast (int b);
/** Emitted when the mouse is moved over the waveform. The parameters
are:
- (int, int): image x range
- (int, int): component value range
*/
boost::signals2::signal<void (int, int, int, int)> MouseMoved;
private:
void paint ();
void sized (wxSizeEvent &);
void create_waveform ();
void set_image();
void mouse_moved (wxMouseEvent &);
std::weak_ptr<const Film> _film;
std::shared_ptr<dcp::OpenJPEGImage> _image;
std::shared_ptr<const Image> _waveform;
bool _dirty = true;
bool _enabled = false;
int _component = 0;
int _contrast = 0;
FilmViewer& _viewer;
static int const _vertical_margin;
static int const _pixel_values;
static int const _x_axis_width;
boost::signals2::connection _viewer_connection;
};
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