2 Copyright (C) 2012-2014 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 "interop_subtitle_content.h"
21 #include "interop_load_font.h"
23 #include "raw_convert.h"
28 using boost::shared_ptr;
29 using boost::optional;
32 InteropSubtitleContent::InteropSubtitleContent (boost::filesystem::path file)
33 : SubtitleContent (file)
35 shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
36 xml->read_file (file);
37 _id = xml->string_child ("SubtitleID");
39 _movie_title = xml->string_child ("MovieTitle");
41 _load_font_nodes = type_children<dcp::InteropLoadFont> (xml, "LoadFont");
42 list<shared_ptr<dcp::Font> > font_nodes = type_children<dcp::Font> (xml, "Font");
44 parse_common (xml, font_nodes);
47 InteropSubtitleContent::InteropSubtitleContent (string movie_title, string language)
48 : _movie_title (movie_title)
53 struct SubtitleSorter {
54 bool operator() (SubtitleString const & a, SubtitleString const & b) {
55 if (a.in() != b.in()) {
56 return a.in() < b.in();
58 return a.v_position() < b.v_position();
63 InteropSubtitleContent::xml_as_string () const
66 xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
67 root->set_attribute ("Version", "1.0");
69 root->add_child("SubtitleID")->add_child_text (_id);
70 root->add_child("MovieTitle")->add_child_text (_movie_title);
71 root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
72 root->add_child("Language")->add_child_text (_language);
74 for (list<shared_ptr<InteropLoadFont> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
75 xmlpp::Element* load_font = root->add_child("LoadFont");
76 load_font->set_attribute ("Id", (*i)->id);
77 load_font->set_attribute ("URI", (*i)->uri);
80 list<SubtitleString> sorted = _subtitles;
81 sorted.sort (SubtitleSorter ());
83 /* XXX: script, underlined, weight not supported */
85 optional<string> font;
94 Time last_fade_up_time;
95 Time last_fade_down_time;
97 xmlpp::Element* font_element = 0;
98 xmlpp::Element* subtitle_element = 0;
100 for (list<SubtitleString>::iterator i = sorted.begin(); i != sorted.end(); ++i) {
102 /* We will start a new <Font>...</Font> whenever some font property changes.
103 I suppose we should really make an optimal hierarchy of <Font> tags, but
107 bool const font_changed =
109 italic != i->italic() ||
110 color != i->color() ||
112 effect != i->effect() ||
113 effect_color != i->effect_color();
117 italic = i->italic ();
120 effect = i->effect ();
121 effect_color = i->effect_color ();
124 if (!font_element || font_changed) {
125 font_element = root->add_child ("Font");
127 font_element->set_attribute ("Id", font.get ());
129 font_element->set_attribute ("Italic", italic ? "yes" : "no");
130 font_element->set_attribute ("Color", color.to_argb_string());
131 font_element->set_attribute ("Size", raw_convert<string> (size));
132 font_element->set_attribute ("Effect", effect_to_string (effect));
133 font_element->set_attribute ("EffectColor", effect_color.to_argb_string());
134 font_element->set_attribute ("Script", "normal");
135 font_element->set_attribute ("Underlined", "no");
136 font_element->set_attribute ("Weight", "normal");
139 if (!subtitle_element || font_changed ||
140 (last_in != i->in() ||
141 last_out != i->out() ||
142 last_fade_up_time != i->fade_up_time() ||
143 last_fade_down_time != i->fade_down_time()
146 subtitle_element = font_element->add_child ("Subtitle");
147 subtitle_element->set_attribute ("SpotNumber", raw_convert<string> (spot_number++));
148 subtitle_element->set_attribute ("TimeIn", i->in().to_string());
149 subtitle_element->set_attribute ("TimeOut", i->out().to_string());
150 subtitle_element->set_attribute ("FadeUpTime", raw_convert<string> (i->fade_up_time().to_ticks()));
151 subtitle_element->set_attribute ("FadeDownTime", raw_convert<string> (i->fade_down_time().to_ticks()));
154 last_out = i->out ();
155 last_fade_up_time = i->fade_up_time ();
156 last_fade_down_time = i->fade_down_time ();
159 xmlpp::Element* text = subtitle_element->add_child ("Text");
160 text->set_attribute ("VAlign", valign_to_string (i->v_align()));
161 text->set_attribute ("VPosition", raw_convert<string> (i->v_position()));
162 text->add_child_text (i->text());
165 return doc.write_to_string_formatted ("UTF-8");