2 Copyright (C) 2012-2016 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/>.
21 /** @file src/film_viewer.h
22 * @brief A wx widget to view `thumbnails' of a Film.
31 class RGBPlusAlphaImage;
35 * @brief A wx widget to view a preview of a Film.
37 class FilmViewer : public wxPanel
40 FilmViewer (wxWindow *);
42 void set_film (boost::shared_ptr<Film>);
44 DCPTime position () const {
48 void set_position (DCPTime p);
49 void set_coalesce_player_changes (bool c);
53 boost::signals2::signal<void (boost::weak_ptr<PlayerVideo>)> ImageChanged;
57 void panel_sized (wxSizeEvent &);
61 void calculate_sizes ();
62 void check_play_state ();
63 void active_jobs_changed (boost::optional<std::string>);
65 void forward_clicked ();
66 void player_changed (bool);
67 void update_position_label ();
68 void update_position_slider ();
69 void get (DCPTime, bool);
70 void refresh_panel ();
71 void setup_sensitivity ();
72 void film_changed (Film::Property);
74 boost::shared_ptr<Film> _film;
75 boost::shared_ptr<Player> _player;
79 wxCheckBox* _outline_content;
80 wxRadioButton* _left_eye;
81 wxRadioButton* _right_eye;
83 wxButton* _back_button;
84 wxButton* _forward_button;
85 wxStaticText* _frame_number;
86 wxStaticText* _timecode;
87 wxToggleButton* _play_button;
89 bool _coalesce_player_changes;
90 bool _pending_player_change;
92 boost::shared_ptr<const Image> _frame;
94 Position<int> _inter_position;
95 dcp::Size _inter_size;
97 /** Size of our output (including padding if we have any) */
99 /** Size of the panel that we have available */
100 dcp::Size _panel_size;
101 /** true if the last call to ::get() was specified to be accurate;
102 * this is used so that when re-fetching the current frame we
103 * can get the same one that we got last time.
105 bool _last_get_accurate;
107 boost::signals2::scoped_connection _film_connection;
108 boost::signals2::scoped_connection _player_connection;