2 Copyright (C) 2013 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 #ifndef DCPOMATIC_SUBTITLE_CONTENT_H
21 #define DCPOMATIC_SUBTITLE_CONTENT_H
25 class SubtitleContentProperty
28 static int const SUBTITLE_OFFSET;
29 static int const SUBTITLE_SCALE;
32 class SubtitleContent : public virtual Content
35 SubtitleContent (boost::shared_ptr<const Film>, boost::filesystem::path);
36 SubtitleContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>);
37 SubtitleContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
39 void as_xml (xmlpp::Node *) const;
41 void set_subtitle_offset (double);
42 void set_subtitle_scale (double);
44 double subtitle_offset () const {
45 boost::mutex::scoped_lock lm (_mutex);
46 return _subtitle_offset;
49 double subtitle_scale () const {
50 boost::mutex::scoped_lock lm (_mutex);
51 return _subtitle_scale;
55 friend class ffmpeg_pts_offset_test;
57 /** y offset for placing subtitles, as a proportion of the container height;
58 +ve is further down the frame, -ve is further up.
60 double _subtitle_offset;
61 /** scale factor to apply to subtitles */
62 double _subtitle_scale;