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_SCALE = 502;
38 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
40 , _subtitle_x_offset (0)
41 , _subtitle_y_offset (0)
47 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
49 , _subtitle_x_offset (0)
50 , _subtitle_y_offset (0)
54 _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
55 _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
57 _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
60 _subtitle_scale = node->number_child<float> ("SubtitleScale");
63 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
66 shared_ptr<SubtitleContent> ref = dynamic_pointer_cast<SubtitleContent> (c[0]);
69 for (size_t i = 0; i < c.size(); ++i) {
70 shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
72 if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
73 throw JoinError (_("Content to be joined must have the same subtitle X offset."));
76 if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
77 throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
80 if (sc->subtitle_scale() != ref->subtitle_scale()) {
81 throw JoinError (_("Content to be joined must have the same subtitle scale."));
85 _subtitle_x_offset = ref->subtitle_x_offset ();
86 _subtitle_y_offset = ref->subtitle_y_offset ();
87 _subtitle_scale = ref->subtitle_scale ();
91 SubtitleContent::as_xml (xmlpp::Node* root) const
93 root->add_child("SubtitleXOffset")->add_child_text (raw_convert<string> (_subtitle_x_offset));
94 root->add_child("SubtitleYOffset")->add_child_text (raw_convert<string> (_subtitle_y_offset));
95 root->add_child("SubtitleScale")->add_child_text (raw_convert<string> (_subtitle_scale));
99 SubtitleContent::set_subtitle_x_offset (double o)
102 boost::mutex::scoped_lock lm (_mutex);
103 _subtitle_x_offset = o;
105 signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
109 SubtitleContent::set_subtitle_y_offset (double o)
112 boost::mutex::scoped_lock lm (_mutex);
113 _subtitle_y_offset = o;
115 signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
119 SubtitleContent::set_subtitle_scale (double s)
122 boost::mutex::scoped_lock lm (_mutex);
125 signal_changed (SubtitleContentProperty::SUBTITLE_SCALE);