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 <libdcp/raw_convert.h>
22 #include "subtitle_content.h"
24 #include "exceptions.h"
30 using boost::shared_ptr;
31 using boost::dynamic_pointer_cast;
32 using libdcp::raw_convert;
34 int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
35 int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
36 int const SubtitleContentProperty::SUBTITLE_X_SCALE = 502;
37 int const SubtitleContentProperty::SUBTITLE_Y_SCALE = 503;
39 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
41 , _subtitle_x_offset (0)
42 , _subtitle_y_offset (0)
43 , _subtitle_x_scale (1)
44 , _subtitle_y_scale (1)
49 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
51 , _subtitle_x_offset (0)
52 , _subtitle_y_offset (0)
53 , _subtitle_x_scale (1)
54 , _subtitle_y_scale (1)
57 _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
58 _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
60 _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
64 _subtitle_x_scale = node->number_child<float> ("SubtitleXScale");
65 _subtitle_y_scale = node->number_child<float> ("SubtitleYScale");
67 _subtitle_x_scale = _subtitle_y_scale = node->number_child<float> ("SubtitleScale");
71 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
74 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
77 for (size_t i = 0; i < c.size(); ++i) {
78 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
80 if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
81 throw JoinError (_("Content to be joined must have the same subtitle X offset."));
84 if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
85 throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
88 if (sc->subtitle_x_scale() != ref->subtitle_x_scale()) {
89 throw JoinError (_("Content to be joined must have the same subtitle X scale."));
92 if (sc->subtitle_y_scale() != ref->subtitle_y_scale()) {
93 throw JoinError (_("Content to be joined must have the same subtitle Y scale."));
97 _subtitle_x_offset = ref->subtitle_x_offset ();
98 _subtitle_y_offset = ref->subtitle_y_offset ();
99 _subtitle_x_scale = ref->subtitle_x_scale ();
100 _subtitle_y_scale = ref->subtitle_y_scale ();
104 SubtitleContent::as_xml (xmlpp::Node* root) const
106 root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
107 root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
108 root->add_child("SubtitleXScale")->add_child_text (raw_convert<string> (_subtitle_x_scale));
109 root->add_child("SubtitleYScale")->add_child_text (raw_convert<string> (_subtitle_y_scale));
113 SubtitleContent::set_subtitle_x_offset (double o)
116 boost::mutex::scoped_lock lm (_mutex);
117 _subtitle_x_offset = o;
119 signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
123 SubtitleContent::set_subtitle_y_offset (double o)
126 boost::mutex::scoped_lock lm (_mutex);
127 _subtitle_y_offset = o;
129 signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
133 SubtitleContent::set_subtitle_x_scale (double s)
136 boost::mutex::scoped_lock lm (_mutex);
137 _subtitle_x_scale = s;
139 signal_changed (SubtitleContentProperty::SUBTITLE_X_SCALE);
143 SubtitleContent::set_subtitle_y_scale (double s)
146 boost::mutex::scoped_lock lm (_mutex);
147 _subtitle_y_scale = s;
149 signal_changed (SubtitleContentProperty::SUBTITLE_Y_SCALE);