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/*
Copyright (C) 2012 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/subtitle.h
* @brief Representations of subtitles.
*/
#include <list>
#include <boost/shared_ptr.hpp>
#include "util.h"
struct AVSubtitle;
class Image;
/** A subtitle, consisting of an image and a position */
class Subtitle
{
public:
Subtitle (Position p, boost::shared_ptr<Image> i);
void set_position (Position p) {
_position = p;
}
Position position () const {
return _position;
}
boost::shared_ptr<Image> image () const {
return _image;
}
Rect area () const;
private:
Position _position;
boost::shared_ptr<Image> _image;
};
Rect
subtitle_transformed_area (
float target_x_scale, float target_y_scale,
Rect sub_area, int subtitle_offset, float subtitle_scale
);
/** A Subtitle class with details of the time over which it should be shown */
class TimedSubtitle
{
public:
TimedSubtitle (AVSubtitle const &, double c);
bool displayed_at (double t) const;
boost::shared_ptr<Subtitle> subtitle () const {
return _subtitle;
}
private:
/** the subtitle */
boost::shared_ptr<Subtitle> _subtitle;
/** display from time in seconds from the start of the film */
double _from;
/** display to time in seconds from the start of the film */
double _to;
};
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