2 Copyright (C) 2015-2021 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 <dcp/warnings.h>
23 LIBDCP_DISABLE_WARNINGS
25 LIBDCP_ENABLE_WARNINGS
26 #include <boost/signals2.hpp>
39 class VideoWaveformPlot : public wxPanel
42 VideoWaveformPlot(wxWindow* parent, std::weak_ptr<const Film> film, FilmViewer& viewer);
44 void set_enabled (bool e);
45 void set_component (int c);
46 void set_contrast (int b);
48 /** Emitted when the mouse is moved over the waveform. The parameters
50 - (int, int): image x range
51 - (int, int): component value range
53 boost::signals2::signal<void (int, int, int, int)> MouseMoved;
57 void sized (wxSizeEvent &);
58 void create_waveform ();
59 void set_image (std::shared_ptr<PlayerVideo>);
60 void mouse_moved (wxMouseEvent &);
62 std::weak_ptr<const Film> _film;
63 std::shared_ptr<dcp::OpenJPEGImage> _image;
64 std::shared_ptr<const Image> _waveform;
66 bool _enabled = false;
70 static int const _vertical_margin;
71 static int const _pixel_values;
72 static int const _x_axis_width;
74 boost::signals2::connection _viewer_connection;