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/*
Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/film_viewer.h
* @brief A wx widget to view `thumbnails' of a Film.
*/
#include <wx/wx.h>
#include "lib/film.h"
class wxToggleButton;
class FFmpegPlayer;
class Image;
class RGBPlusAlphaImage;
class PlayerVideo;
/** @class FilmViewer
* @brief A wx widget to view a preview of a Film.
*/
class FilmViewer : public wxPanel
{
public:
FilmViewer (wxWindow *);
void set_film (boost::shared_ptr<Film>);
DCPTime position () const {
return _position;
}
void set_position (DCPTime p);
void set_ignore_player_changes (bool i);
void refresh ();
boost::signals2::signal<void (boost::weak_ptr<PlayerVideo>)> ImageChanged;
private:
void paint_panel ();
void panel_sized (wxSizeEvent &);
void slider_moved ();
void play_clicked ();
void timer ();
void calculate_sizes ();
void check_play_state ();
void active_jobs_changed (boost::optional<std::string>);
void back_clicked ();
void forward_clicked ();
void player_changed (bool);
void update_position_label ();
void update_position_slider ();
void get (DCPTime, bool);
void refresh_panel ();
void setup_sensitivity ();
void film_changed (Film::Property);
boost::shared_ptr<Film> _film;
boost::shared_ptr<Player> _player;
wxSizer* _v_sizer;
wxPanel* _panel;
wxCheckBox* _outline_content;
wxSlider* _slider;
wxButton* _back_button;
wxButton* _forward_button;
wxStaticText* _frame_number;
wxStaticText* _timecode;
wxToggleButton* _play_button;
wxTimer _timer;
bool _ignore_player_changes;
boost::shared_ptr<const Image> _frame;
DCPTime _position;
Position<int> _inter_position;
dcp::Size _inter_size;
/** Size of our output (including padding if we have any) */
dcp::Size _out_size;
/** Size of the panel that we have available */
dcp::Size _panel_size;
/** true if the last call to ::get() was specified to be accurate;
* this is used so that when re-fetching the current frame we
* can get the same one that we got last time.
*/
bool _last_get_accurate;
boost::signals2::scoped_connection _film_connection;
boost::signals2::scoped_connection _player_connection;
};
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