2 Copyright (C) 2012-2015 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 "interop_subtitle_asset.h"
21 #include "interop_load_font_node.h"
23 #include "raw_convert.h"
24 #include "font_node.h"
27 #include "dcp_assert.h"
28 #include <libxml++/libxml++.h>
29 #include <boost/foreach.hpp>
38 using boost::shared_ptr;
39 using boost::optional;
40 using boost::dynamic_pointer_cast;
43 InteropSubtitleAsset::InteropSubtitleAsset (boost::filesystem::path file)
44 : SubtitleAsset (file)
46 shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
47 xml->read_file (file);
48 _id = xml->string_child ("SubtitleID");
49 _reel_number = xml->string_child ("ReelNumber");
50 _language = xml->string_child ("Language");
51 _movie_title = xml->string_child ("MovieTitle");
52 _load_font_nodes = type_children<dcp::InteropLoadFontNode> (xml, "LoadFont");
54 list<cxml::NodePtr> f = xml->node_children ("Font");
55 list<shared_ptr<dcp::FontNode> > font_nodes;
56 BOOST_FOREACH (cxml::NodePtr& i, f) {
57 font_nodes.push_back (shared_ptr<FontNode> (new FontNode (i, 250)));
60 parse_subtitles (xml, font_nodes);
63 InteropSubtitleAsset::InteropSubtitleAsset ()
69 InteropSubtitleAsset::xml_as_string () const
72 xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
73 root->set_attribute ("Version", "1.0");
75 root->add_child("SubtitleID")->add_child_text (_id);
76 root->add_child("MovieTitle")->add_child_text (_movie_title);
77 root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
78 root->add_child("Language")->add_child_text (_language);
80 for (list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
81 xmlpp::Element* load_font = root->add_child("LoadFont");
82 load_font->set_attribute ("Id", (*i)->id);
83 load_font->set_attribute ("URI", (*i)->uri);
86 subtitles_as_xml (root, 250, "");
88 return doc.write_to_string_formatted ("UTF-8");
92 InteropSubtitleAsset::add_font (string id, boost::filesystem::path file)
94 add_font_data (id, file);
95 _load_font_nodes.push_back (shared_ptr<InteropLoadFontNode> (new InteropLoadFontNode (id, file.leaf().string ())));
99 InteropSubtitleAsset::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, NoteHandler note) const
101 if (!SubtitleAsset::equals (other_asset, options, note)) {
105 shared_ptr<const InteropSubtitleAsset> other = dynamic_pointer_cast<const InteropSubtitleAsset> (other_asset);
110 list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin ();
111 list<shared_ptr<InteropLoadFontNode> >::const_iterator j = other->_load_font_nodes.begin ();
113 while (i != _load_font_nodes.end ()) {
114 if (j == other->_load_font_nodes.end ()) {
115 note (DCP_ERROR, "<LoadFont> nodes differ");
120 note (DCP_ERROR, "<LoadFont> nodes differ");
128 if (_movie_title != other->_movie_title) {
129 note (DCP_ERROR, "Subtitle movie titles differ");
136 list<shared_ptr<LoadFontNode> >
137 InteropSubtitleAsset::load_font_nodes () const
139 list<shared_ptr<LoadFontNode> > lf;
140 copy (_load_font_nodes.begin(), _load_font_nodes.end(), back_inserter (lf));
144 /** Write this content to an XML file with its fonts alongside */
146 InteropSubtitleAsset::write (boost::filesystem::path p) const
148 FILE* f = fopen_boost (p, "w");
150 throw FileError ("Could not open file for writing", p, -1);
153 Glib::ustring const s = xml_as_string ();
154 fwrite (s.c_str(), 1, s.bytes(), f);
159 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> i, _load_font_nodes) {
160 boost::filesystem::path file = p.parent_path() / i->uri;
161 FILE* f = fopen_boost (file, "w");
163 throw FileError ("could not open font file for writing", file, errno);
165 map<string, FontData>::const_iterator j = _fonts.find (i->id);
166 if (j != _fonts.end ()) {
167 fwrite (j->second.data.get(), 1, j->second.size, f);
168 j->second.file = file;
175 InteropSubtitleAsset::resolve_fonts (list<shared_ptr<Object> > objects)
177 BOOST_FOREACH (shared_ptr<Object> i, objects) {
178 shared_ptr<Font> font = dynamic_pointer_cast<Font> (i);
183 BOOST_FOREACH (shared_ptr<InteropLoadFontNode> j, _load_font_nodes) {
184 if (j->uri == font->file().leaf().string ()) {
185 add_font_data (j->id, font->file ());
192 InteropSubtitleAsset::add_font_assets (list<shared_ptr<Asset> >& assets)
194 for (map<string, FontData>::const_iterator i = _fonts.begin(); i != _fonts.end(); ++i) {
195 assets.push_back (shared_ptr<Font> (new Font (i->second.file)));