2 Copyright (C) 2013-2014 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 <dcp/raw_convert.h>
22 #include "subtitle_content.h"
24 #include "exceptions.h"
31 using boost::shared_ptr;
32 using boost::dynamic_pointer_cast;
33 using dcp::raw_convert;
35 int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
36 int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
37 int const SubtitleContentProperty::SUBTITLE_SCALE = 502;
39 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
41 , _subtitle_x_offset (0)
42 , _subtitle_y_offset (0)
48 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
50 , _subtitle_x_offset (0)
51 , _subtitle_y_offset (0)
55 _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
56 _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
58 _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
61 _subtitle_scale = node->number_child<float> ("SubtitleScale");
64 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
67 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
70 for (size_t i = 0; i < c.size(); ++i) {
71 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
73 if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
74 throw JoinError (_("Content to be joined must have the same subtitle X offset."));
77 if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
78 throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
81 if (sc->subtitle_scale() != ref->subtitle_scale()) {
82 throw JoinError (_("Content to be joined must have the same subtitle scale."));
86 _subtitle_x_offset = ref->subtitle_x_offset ();
87 _subtitle_y_offset = ref->subtitle_y_offset ();
88 _subtitle_scale = ref->subtitle_scale ();
92 SubtitleContent::as_xml (xmlpp::Node* root) const
94 root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
95 root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
96 root->add_child("SubtitleScale")->add_child_text (raw_convert<string> (_subtitle_scale));
100 SubtitleContent::set_subtitle_x_offset (double o)
103 boost::mutex::scoped_lock lm (_mutex);
104 _subtitle_x_offset = o;
106 signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
110 SubtitleContent::set_subtitle_y_offset (double o)
113 boost::mutex::scoped_lock lm (_mutex);
114 _subtitle_y_offset = o;
116 signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
120 SubtitleContent::set_subtitle_scale (double s)
123 boost::mutex::scoped_lock lm (_mutex);
126 signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);