2 Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/film_viewer.h
21 * @brief A wx widget to view `thumbnails' of a Film.
30 class RGBPlusAlphaImage;
34 * @brief A wx widget to view a preview of a Film.
36 class FilmViewer : public wxPanel
39 FilmViewer (wxWindow *);
41 void set_film (boost::shared_ptr<Film>);
43 DCPTime position () const {
47 void set_position (DCPTime p);
48 void set_coalesce_player_changes (bool c);
52 boost::signals2::signal<void (boost::weak_ptr<PlayerVideo>)> ImageChanged;
56 void panel_sized (wxSizeEvent &);
60 void calculate_sizes ();
61 void check_play_state ();
62 void active_jobs_changed (boost::optional<std::string>);
64 void forward_clicked ();
65 void player_changed (bool);
66 void update_position_label ();
67 void update_position_slider ();
68 void get (DCPTime, bool);
69 void refresh_panel ();
70 void setup_sensitivity ();
71 void film_changed (Film::Property);
73 boost::shared_ptr<Film> _film;
74 boost::shared_ptr<Player> _player;
78 wxCheckBox* _outline_content;
79 wxRadioButton* _left_eye;
80 wxRadioButton* _right_eye;
82 wxButton* _back_button;
83 wxButton* _forward_button;
84 wxStaticText* _frame_number;
85 wxStaticText* _timecode;
86 wxToggleButton* _play_button;
88 bool _coalesce_player_changes;
89 bool _pending_player_change;
91 boost::shared_ptr<const Image> _frame;
93 Position<int> _inter_position;
94 dcp::Size _inter_size;
96 /** Size of our output (including padding if we have any) */
98 /** Size of the panel that we have available */
99 dcp::Size _panel_size;
100 /** true if the last call to ::get() was specified to be accurate;
101 * this is used so that when re-fetching the current frame we
102 * can get the same one that we got last time.
104 bool _last_get_accurate;
106 boost::signals2::scoped_connection _film_connection;
107 boost::signals2::scoped_connection _player_connection;