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_content.h"
21 #include "interop_load_font_node.h"
23 #include "raw_convert.h"
24 #include "font_node.h"
25 #include <libxml++/libxml++.h>
26 #include <boost/foreach.hpp>
32 using boost::shared_ptr;
33 using boost::optional;
34 using boost::dynamic_pointer_cast;
37 InteropSubtitleContent::InteropSubtitleContent (boost::filesystem::path file)
38 : SubtitleContent (file)
40 shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
41 xml->read_file (file);
42 _id = xml->string_child ("SubtitleID");
44 _movie_title = xml->string_child ("MovieTitle");
45 _load_font_nodes = type_children<dcp::InteropLoadFontNode> (xml, "LoadFont");
47 list<cxml::NodePtr> f = xml->node_children ("Font");
48 list<shared_ptr<dcp::FontNode> > font_nodes;
49 BOOST_FOREACH (cxml::NodePtr& i, f) {
50 font_nodes.push_back (shared_ptr<FontNode> (new FontNode (i, 250)));
53 parse_common (xml, font_nodes);
56 InteropSubtitleContent::InteropSubtitleContent (string movie_title, string language)
57 : _movie_title (movie_title)
62 struct SubtitleSorter {
63 bool operator() (SubtitleString const & a, SubtitleString const & b) {
64 if (a.in() != b.in()) {
65 return a.in() < b.in();
67 return a.v_position() < b.v_position();
72 InteropSubtitleContent::xml_as_string () const
75 xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
76 root->set_attribute ("Version", "1.0");
78 root->add_child("SubtitleID")->add_child_text (_id);
79 root->add_child("MovieTitle")->add_child_text (_movie_title);
80 root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
81 root->add_child("Language")->add_child_text (_language);
83 for (list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
84 xmlpp::Element* load_font = root->add_child("LoadFont");
85 load_font->set_attribute ("Id", (*i)->id);
86 load_font->set_attribute ("URI", (*i)->uri);
89 list<SubtitleString> sorted = _subtitles;
90 sorted.sort (SubtitleSorter ());
92 /* XXX: script, underlined, weight not supported */
94 optional<string> font;
98 float aspect_adjust = 1.0;
100 Colour effect_colour;
104 Time last_fade_up_time;
105 Time last_fade_down_time;
107 xmlpp::Element* font_element = 0;
108 xmlpp::Element* subtitle_element = 0;
110 for (list<SubtitleString>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
112 /* We will start a new <Font>...</Font> whenever some font property changes.
113 I suppose we should really make an optimal hierarchy of <Font> tags, but
117 bool const font_changed =
119 italic != i->italic() ||
120 colour != i->colour() ||
122 fabs (aspect_adjust - i->aspect_adjust()) > ASPECT_ADJUST_EPSILON ||
123 effect != i->effect() ||
124 effect_colour != i->effect_colour();
128 italic = i->italic ();
129 colour = i->colour ();
131 aspect_adjust = i->aspect_adjust ();
132 effect = i->effect ();
133 effect_colour = i->effect_colour ();
136 if (!font_element || font_changed) {
137 font_element = root->add_child ("Font");
139 font_element->set_attribute ("Id", font.get ());
141 font_element->set_attribute ("Italic", italic ? "yes" : "no");
142 font_element->set_attribute ("Color", colour.to_argb_string());
143 font_element->set_attribute ("Size", raw_convert<string> (size));
144 if (fabs (aspect_adjust - 1.0) > ASPECT_ADJUST_EPSILON) {
145 font_element->set_attribute ("AspectAdjust", raw_convert<string> (aspect_adjust));
147 font_element->set_attribute ("Effect", effect_to_string (effect));
148 font_element->set_attribute ("EffectColor", effect_colour.to_argb_string());
149 font_element->set_attribute ("Script", "normal");
150 font_element->set_attribute ("Underlined", "no");
151 font_element->set_attribute ("Weight", "normal");
154 if (!subtitle_element || font_changed ||
155 (last_in != i->in() ||
156 last_out != i->out() ||
157 last_fade_up_time != i->fade_up_time() ||
158 last_fade_down_time != i->fade_down_time()
161 subtitle_element = font_element->add_child ("Subtitle");
162 subtitle_element->set_attribute ("SpotNumber", raw_convert<string> (spot_number++));
163 subtitle_element->set_attribute ("TimeIn", i->in().as_string());
164 subtitle_element->set_attribute ("TimeOut", i->out().as_string());
165 subtitle_element->set_attribute ("FadeUpTime", raw_convert<string> (i->fade_up_time().as_editable_units(250)));
166 subtitle_element->set_attribute ("FadeDownTime", raw_convert<string> (i->fade_down_time().as_editable_units(250)));
169 last_out = i->out ();
170 last_fade_up_time = i->fade_up_time ();
171 last_fade_down_time = i->fade_down_time ();
174 xmlpp::Element* text = subtitle_element->add_child ("Text");
175 if (i->h_align() != HALIGN_CENTER) {
176 text->set_attribute ("HAlign", halign_to_string (i->h_align ()));
178 if (i->h_position() > ALIGN_EPSILON) {
179 text->set_attribute ("HPosition", raw_convert<string> (i->h_position() * 100, 6));
181 text->set_attribute ("VAlign", valign_to_string (i->v_align()));
182 text->set_attribute ("VPosition", raw_convert<string> (i->v_position() * 100, 6));
183 text->add_child_text (i->text());
186 return doc.write_to_string_formatted ("UTF-8");
190 InteropSubtitleContent::add_font (string id, string uri)
192 _load_font_nodes.push_back (shared_ptr<InteropLoadFontNode> (new InteropLoadFontNode (id, uri)));
196 InteropSubtitleContent::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, NoteHandler note) const
198 if (!SubtitleContent::equals (other_asset, options, note)) {
202 shared_ptr<const InteropSubtitleContent> other = dynamic_pointer_cast<const InteropSubtitleContent> (other_asset);
207 list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin ();
208 list<shared_ptr<InteropLoadFontNode> >::const_iterator j = other->_load_font_nodes.begin ();
210 while (i != _load_font_nodes.end ()) {
211 if (j == other->_load_font_nodes.end ()) {
212 note (DCP_ERROR, "<LoadFont> nodes differ");
217 note (DCP_ERROR, "<LoadFont> nodes differ");
225 if (_movie_title != other->_movie_title) {
226 note (DCP_ERROR, "Subtitle movie titles differ");
233 list<shared_ptr<LoadFontNode> >
234 InteropSubtitleContent::load_font_nodes () const
236 list<shared_ptr<LoadFontNode> > lf;
237 copy (_load_font_nodes.begin(), _load_font_nodes.end(), back_inserter (lf));