2 Copyright (C) 2012 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 "subtitle_asset.h"
23 using namespace boost;
24 using namespace libdcp;
26 SubtitleAsset::SubtitleAsset (string directory, string xml)
27 : Asset (directory, xml)
28 , XMLFile (path().string(), "DCSubtitle")
30 _subtitle_id = string_node ("SubtitleID");
31 _movie_title = string_node ("MovieTitle");
32 _reel_number = int64_node ("ReelNumber");
33 _language = string_node ("Language");
35 ignore_node ("LoadFont");
37 list<shared_ptr<FontNode> > font_nodes = sub_nodes<FontNode> ("Font");
38 list<shared_ptr<LoadFontNode> > load_font_nodes = sub_nodes<LoadFontNode> ("LoadFont");
40 /* Now make Subtitle objects to represent the raw XML nodes
44 for (list<shared_ptr<FontNode> >::iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
45 for (list<shared_ptr<SubtitleNode> >::iterator j = (*i)->subtitle_nodes.begin(); j != (*i)->subtitle_nodes.end(); ++j) {
46 for (list<shared_ptr<TextNode> >::iterator k = (*j)->text_nodes.begin(); k != (*j)->text_nodes.end(); ++k) {
47 _subtitles.push_back (
48 shared_ptr<Subtitle> (
50 font_id_to_name ((*i)->id, load_font_nodes),
64 FontNode::FontNode (xmlpp::Node const * node)
67 id = string_attribute ("Id");
68 size = int64_attribute ("Size");
69 subtitle_nodes = sub_nodes<SubtitleNode> ("Subtitle");
72 LoadFontNode::LoadFontNode (xmlpp::Node const * node)
75 id = string_attribute ("Id");
76 uri = string_attribute ("URI");
80 SubtitleNode::SubtitleNode (xmlpp::Node const * node)
83 in = time_attribute ("TimeIn");
84 out = time_attribute ("TimeOut");
85 text_nodes = sub_nodes<TextNode> ("Text");
88 TextNode::TextNode (xmlpp::Node const * node)
92 v_position = float_attribute ("VPosition");
95 list<shared_ptr<Subtitle> >
96 SubtitleAsset::subtitles_at (Time t) const
98 list<shared_ptr<Subtitle> > s;
99 for (list<shared_ptr<Subtitle> >::const_iterator i = _subtitles.begin(); i != _subtitles.end(); ++i) {
100 if ((*i)->in() <= t && t <= (*i)->out ()) {
109 SubtitleAsset::font_id_to_name (string id, list<shared_ptr<LoadFontNode> > const & load_font_nodes) const
111 list<shared_ptr<LoadFontNode> >::const_iterator i = load_font_nodes.begin();
112 while (i != load_font_nodes.end() && (*i)->id != id) {
116 if (i == load_font_nodes.end ()) {
120 if ((*i)->uri == "arial.ttf") {
139 , _v_position (v_position)
146 Subtitle::size_in_pixels (int screen_height) const
148 /* Size in the subtitle file is given in points as if the screen
149 height is 11 inches, so a 72pt font would be 1/11th of the screen
153 return _size * screen_height / (11 * 72);