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"
25 #include "safe_stringstream.h"
32 using boost::shared_ptr;
33 using boost::dynamic_pointer_cast;
34 using dcp::raw_convert;
36 int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
37 int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
38 int const SubtitleContentProperty::SUBTITLE_SCALE = 502;
39 int const SubtitleContentProperty::USE_SUBTITLES = 503;
41 SubtitleContent::SubtitleContent (shared_ptr<const Film> f)
43 , _use_subtitles (false)
44 , _subtitle_x_offset (0)
45 , _subtitle_y_offset (0)
51 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
53 , _use_subtitles (false)
54 , _subtitle_x_offset (0)
55 , _subtitle_y_offset (0)
61 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
63 , _use_subtitles (false)
64 , _subtitle_x_offset (0)
65 , _subtitle_y_offset (0)
69 _use_subtitles = node->bool_child ("UseSubtitles");
71 _use_subtitles = false;
75 _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
76 _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
78 _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
81 _subtitle_scale = node->number_child<float> ("SubtitleScale");
84 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
87 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
90 for (size_t i = 0; i < c.size(); ++i) {
91 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
93 if (sc->use_subtitles() != ref->use_subtitles()) {
94 throw JoinError (_("Content to be joined must have the same 'use subtitles' setting."));
97 if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
98 throw JoinError (_("Content to be joined must have the same subtitle X offset."));
101 if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
102 throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
105 if (sc->subtitle_scale() != ref->subtitle_scale()) {
106 throw JoinError (_("Content to be joined must have the same subtitle scale."));
110 _use_subtitles = ref->use_subtitles ();
111 _subtitle_x_offset = ref->subtitle_x_offset ();
112 _subtitle_y_offset = ref->subtitle_y_offset ();
113 _subtitle_scale = ref->subtitle_scale ();
117 SubtitleContent::as_xml (xmlpp::Node* root) const
119 root->add_child("UseSubtitles")->add_child_text (raw_convert<string> (_use_subtitles));
120 root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
121 root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
122 root->add_child("SubtitleScale")->add_child_text (raw_convert<string> (_subtitle_scale));
126 SubtitleContent::set_use_subtitles (bool u)
129 boost::mutex::scoped_lock lm (_mutex);
132 signal_changed (SubtitleContentProperty::USE_SUBTITLES);
136 SubtitleContent::set_subtitle_x_offset (double o)
139 boost::mutex::scoped_lock lm (_mutex);
140 _subtitle_x_offset = o;
142 signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
146 SubtitleContent::set_subtitle_y_offset (double o)
149 boost::mutex::scoped_lock lm (_mutex);
150 _subtitle_y_offset = o;
152 signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
156 SubtitleContent::set_subtitle_scale (double s)
159 boost::mutex::scoped_lock lm (_mutex);
162 signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);
166 SubtitleContent::identifier () const
169 s << Content::identifier()
170 << "_" << raw_convert<string> (subtitle_scale())
171 << "_" << raw_convert<string> (subtitle_x_offset())
172 << "_" << raw_convert<string> (subtitle_y_offset());