2 Copyright (C) 2012-2017 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;
36 * @brief A wx widget to view a preview of a Film.
38 class FilmViewer : public wxPanel
41 FilmViewer (wxWindow *);
43 void set_film (boost::shared_ptr<Film>);
45 /** @return our `playhead' position; this may not lie exactly on a frame boundary */
46 DCPTime position () const {
50 void set_position (DCPTime p);
51 void set_coalesce_player_changes (bool c);
55 boost::signals2::signal<void (boost::weak_ptr<PlayerVideo>)> ImageChanged;
59 void panel_sized (wxSizeEvent &);
63 void calculate_sizes ();
64 void check_play_state ();
65 void active_jobs_changed (boost::optional<std::string>);
66 void back_clicked (wxMouseEvent &);
67 void forward_clicked (wxMouseEvent &);
68 void player_changed (bool);
69 void update_position_label ();
70 void update_position_slider ();
71 void video (boost::shared_ptr<PlayerVideo>, DCPTime time);
73 void seek (DCPTime t, bool accurate);
74 void refresh_panel ();
75 void setup_sensitivity ();
76 void film_changed (Film::Property);
77 DCPTime nudge_amount (wxMouseEvent &);
78 void timecode_clicked ();
79 void frame_number_clicked ();
80 void go_to (DCPTime t);
81 void jump_to_selected_clicked ();
83 boost::shared_ptr<Film> _film;
84 boost::shared_ptr<Player> _player;
88 wxCheckBox* _outline_content;
89 wxRadioButton* _left_eye;
90 wxRadioButton* _right_eye;
91 wxCheckBox* _jump_to_selected;
93 wxButton* _back_button;
94 wxButton* _forward_button;
95 wxStaticText* _frame_number;
96 wxStaticText* _timecode;
97 wxToggleButton* _play_button;
99 bool _coalesce_player_changes;
100 bool _pending_player_change;
102 boost::shared_ptr<const Image> _frame;
104 Position<int> _inter_position;
105 dcp::Size _inter_size;
107 /** Size of our output (including padding if we have any) */
109 /** Size of the panel that we have available */
110 dcp::Size _panel_size;
111 /** true if the last call to Player::seek() was specified to be accurate;
112 * this is used so that when re-fetching the current frame we
113 * can get the same one that we got last time.
115 bool _last_seek_accurate;