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 #include <libcxml/cxml.h>
21 #include "subtitle_content.h"
23 #include "exceptions.h"
29 using boost::shared_ptr;
30 using boost::lexical_cast;
31 using boost::dynamic_pointer_cast;
33 int const SubtitleContentProperty::SUBTITLE_OFFSET = 500;
34 int const SubtitleContentProperty::SUBTITLE_SCALE = 501;
36 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
38 , _subtitle_offset (0)
44 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
46 , _subtitle_offset (0)
51 _subtitle_offset = node->number_child<float> ("SubtitleOffset");
52 _subtitle_scale = node->number_child<float> ("SubtitleScale");
55 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
58 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
61 for (size_t i = 0; i < c.size(); ++i) {
62 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
64 if (sc->subtitle_offset() != ref->subtitle_offset()) {
65 throw JoinError (_("Content to be joined must have the same subtitle offset."));
68 if (sc->subtitle_scale() != ref->subtitle_scale()) {
69 throw JoinError (_("Content to be joined must have the same subtitle scale."));
73 _subtitle_offset = ref->subtitle_offset ();
74 _subtitle_scale = ref->subtitle_scale ();
78 SubtitleContent::as_xml (xmlpp::Node* root) const
82 root->add_child("SubtitleOffset")->add_child_text (lexical_cast<string> (_subtitle_offset));
83 root->add_child("SubtitleScale")->add_child_text (lexical_cast<string> (_subtitle_scale));
87 SubtitleContent::set_subtitle_offset (double o)
90 boost::mutex::scoped_lock lm (_mutex);
93 signal_changed (SubtitleContentProperty::SUBTITLE_OFFSET);
97 SubtitleContent::set_subtitle_scale (double s)
100 boost::mutex::scoped_lock lm (_mutex);
103 signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);