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_X_SCALE = 502;
39 int const SubtitleContentProperty::SUBTITLE_Y_SCALE = 503;
40 int const SubtitleContentProperty::USE_SUBTITLES = 504;
42 SubtitleContent::SubtitleContent (shared_ptr<const Film> f)
44 , _use_subtitles (false)
45 , _subtitle_x_offset (0)
46 , _subtitle_y_offset (0)
47 , _subtitle_x_scale (1)
48 , _subtitle_y_scale (1)
53 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
55 , _use_subtitles (false)
56 , _subtitle_x_offset (0)
57 , _subtitle_y_offset (0)
58 , _subtitle_x_scale (1)
59 , _subtitle_y_scale (1)
64 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
66 , _use_subtitles (false)
67 , _subtitle_x_offset (0)
68 , _subtitle_y_offset (0)
69 , _subtitle_x_scale (1)
70 , _subtitle_y_scale (1)
73 _use_subtitles = node->bool_child ("UseSubtitles");
75 _use_subtitles = false;
79 _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
80 _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
82 _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
86 _subtitle_x_scale = node->number_child<float> ("SubtitleXScale");
87 _subtitle_y_scale = node->number_child<float> ("SubtitleYScale");
89 _subtitle_x_scale = _subtitle_y_scale = node->number_child<float> ("SubtitleScale");
93 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
96 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
99 for (size_t i = 0; i < c.size(); ++i) {
100 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
102 if (sc->use_subtitles() != ref->use_subtitles()) {
103 throw JoinError (_("Content to be joined must have the same 'use subtitles' setting."));
106 if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
107 throw JoinError (_("Content to be joined must have the same subtitle X offset."));
110 if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
111 throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
114 if (sc->subtitle_x_scale() != ref->subtitle_x_scale()) {
115 throw JoinError (_("Content to be joined must have the same subtitle X scale."));
118 if (sc->subtitle_y_scale() != ref->subtitle_y_scale()) {
119 throw JoinError (_("Content to be joined must have the same subtitle Y scale."));
123 _use_subtitles = ref->use_subtitles ();
124 _subtitle_x_offset = ref->subtitle_x_offset ();
125 _subtitle_y_offset = ref->subtitle_y_offset ();
126 _subtitle_x_scale = ref->subtitle_x_scale ();
127 _subtitle_y_scale = ref->subtitle_y_scale ();
131 SubtitleContent::as_xml (xmlpp::Node* root) const
133 root->add_child("UseSubtitles")->add_child_text (raw_convert<string> (_use_subtitles));
134 root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
135 root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
136 root->add_child("SubtitleXScale")->add_child_text (raw_convert<string> (_subtitle_x_scale));
137 root->add_child("SubtitleYScale")->add_child_text (raw_convert<string> (_subtitle_y_scale));
141 SubtitleContent::set_use_subtitles (bool u)
144 boost::mutex::scoped_lock lm (_mutex);
147 signal_changed (SubtitleContentProperty::USE_SUBTITLES);
151 SubtitleContent::set_subtitle_x_offset (double o)
154 boost::mutex::scoped_lock lm (_mutex);
155 _subtitle_x_offset = o;
157 signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
161 SubtitleContent::set_subtitle_y_offset (double o)
164 boost::mutex::scoped_lock lm (_mutex);
165 _subtitle_y_offset = o;
167 signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
171 SubtitleContent::set_subtitle_x_scale (double s)
174 boost::mutex::scoped_lock lm (_mutex);
175 _subtitle_x_scale = s;
177 signal_changed (SubtitleContentProperty::SUBTITLE_X_SCALE);
181 SubtitleContent::set_subtitle_y_scale (double s)
184 boost::mutex::scoped_lock lm (_mutex);
185 _subtitle_y_scale = s;
187 signal_changed (SubtitleContentProperty::SUBTITLE_Y_SCALE);
191 SubtitleContent::identifier () const
194 s << Content::identifier()
195 << "_" << raw_convert<string> (subtitle_x_scale())
196 << "_" << raw_convert<string> (subtitle_y_scale())
197 << "_" << raw_convert<string> (subtitle_x_offset())
198 << "_" << raw_convert<string> (subtitle_y_offset());