2 Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include <boost/shared_ptr.hpp>
23 #include <boost/weak_ptr.hpp>
24 #include <boost/signals2.hpp>
35 class VideoWaveformPlot : public wxPanel
38 VideoWaveformPlot (wxWindow* parent, boost::weak_ptr<const Film> film, boost::weak_ptr<FilmViewer> viewer);
40 void set_enabled (bool e);
41 void set_component (int c);
42 void set_contrast (int b);
44 /** Emitted when the mouse is moved over the waveform. The parameters
46 - (int, int): image x range
47 - (int, int): component value range
49 boost::signals2::signal<void (int, int, int, int)> MouseMoved;
53 void sized (wxSizeEvent &);
54 void create_waveform ();
55 void set_image (boost::weak_ptr<PlayerVideo>);
56 void mouse_moved (wxMouseEvent &);
58 boost::weak_ptr<const Film> _film;
59 boost::shared_ptr<dcp::OpenJPEGImage> _image;
60 boost::shared_ptr<const Image> _waveform;
66 static int const _vertical_margin;
67 static int const _pixel_values;
68 static int const _x_axis_width;
70 boost::signals2::connection _viewer_connection;