+
+bool
+libdcp::operator== (Subtitle const & a, Subtitle const & b)
+{
+ return (
+ a.font() == b.font() &&
+ a.italic() == b.italic() &&
+ a.color() == b.color() &&
+ a.size() == b.size() &&
+ a.in() == b.in() &&
+ a.out() == b.out() &&
+ a.v_position() == b.v_position() &&
+ a.v_align() == b.v_align() &&
+ a.text() == b.text() &&
+ a.effect() == b.effect() &&
+ a.effect_color() == b.effect_color() &&
+ a.fade_up_time() == b.fade_up_time() &&
+ a.fade_down_time() == b.fade_down_time()
+ );
+}
+
+ostream&
+libdcp::operator<< (ostream& s, Subtitle const & sub)
+{
+ s << "\n`" << sub.text() << "' from " << sub.in() << " to " << sub.out() << ";\n"
+ << "fade up " << sub.fade_up_time() << ", fade down " << sub.fade_down_time() << ";\n"
+ << "font " << sub.font() << ", ";
+
+ if (sub.italic()) {
+ s << "italic";
+ } else {
+ s << "non-italic";
+ }
+
+ s << ", size " << sub.size() << ", color " << sub.color() << ", vpos " << sub.v_position() << ", valign " << ((int) sub.v_align()) << ";\n"
+ << "effect " << ((int) sub.effect()) << ", effect color " << sub.effect_color();
+
+ return s;
+}
+
+void
+SubtitleAsset::add (shared_ptr<Subtitle> s)
+{
+ _subtitles.push_back (s);
+ _need_sort = true;
+}
+
+void
+SubtitleAsset::write_to_cpl (xmlpp::Element* node, bool) const
+{
+ /* XXX: should EditRate, Duration and IntrinsicDuration be in here? */
+
+ xmlpp::Node* ms = node->add_child ("MainSubtitle");
+ ms->add_child("Id")->add_child_text("urn:uuid:" + _uuid);
+ ms->add_child("AnnotationText")->add_child_text (_file_name);
+ /* XXX */
+ ms->add_child("EntryPoint")->add_child_text ("0");
+}
+
+struct SubtitleSorter {
+ bool operator() (shared_ptr<Subtitle> a, shared_ptr<Subtitle> b) {
+ if (a->in() != b->in()) {
+ return a->in() < b->in();
+ }
+ return a->v_position() < b->v_position();
+ }
+};
+
+void
+SubtitleAsset::write_xml () const
+{
+ ofstream s (path().string().c_str());
+ write_xml (s);
+}
+
+void
+SubtitleAsset::write_xml (ostream& s) const
+{
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("DCSubtitle");
+ root->set_attribute ("Version", "1.0");
+
+ root->add_child("SubtitleID")->add_child_text (_uuid);
+ root->add_child("MovieTitle")->add_child_text (_movie_title);
+ root->add_child("ReelNumber")->add_child_text (lexical_cast<string> (_reel_number));
+ root->add_child("Language")->add_child_text (_language);
+
+ if (_load_font_nodes.size() > 1) {
+ boost::throw_exception (MiscError ("multiple LoadFont nodes not supported"));
+ }
+
+ if (!_load_font_nodes.empty ()) {
+ xmlpp::Element* load_font = root->add_child("LoadFont");
+ load_font->set_attribute("Id", _load_font_nodes.front()->id);
+ load_font->set_attribute("URI", _load_font_nodes.front()->uri);
+ }
+
+ list<shared_ptr<Subtitle> > sorted = _subtitles;
+ if (_need_sort) {
+ sorted.sort (SubtitleSorter ());
+ }
+
+ /* XXX: multiple fonts not supported */
+ /* XXX: script, underlined, weight not supported */
+
+ bool italic = false;
+ Color color;
+ int size = 0;
+ Effect effect = NONE;
+ Color effect_color;
+ int spot_number = 1;
+ Time last_in;
+ Time last_out;
+ Time last_fade_up_time;
+ Time last_fade_down_time;
+
+ xmlpp::Element* font = 0;
+ xmlpp::Element* subtitle = 0;
+
+ for (list<shared_ptr<Subtitle> >::iterator i = sorted.begin(); i != sorted.end(); ++i) {
+
+ /* We will start a new <Font>...</Font> whenever some font property changes.
+ I suppose we should really make an optimal hierarchy of <Font> tags, but
+ that seems hard.
+ */
+
+ bool const font_changed =
+ italic != (*i)->italic() ||
+ color != (*i)->color() ||
+ size != (*i)->size() ||
+ effect != (*i)->effect() ||
+ effect_color != (*i)->effect_color();
+
+ if (font_changed) {
+ italic = (*i)->italic ();
+ color = (*i)->color ();
+ size = (*i)->size ();
+ effect = (*i)->effect ();
+ effect_color = (*i)->effect_color ();
+ }
+
+ if (!font || font_changed) {
+ font = root->add_child ("Font");
+ string id = "theFontId";
+ if (!_load_font_nodes.empty()) {
+ id = _load_font_nodes.front()->id;
+ }
+ font->set_attribute ("Id", id);
+ font->set_attribute ("Italic", italic ? "yes" : "no");
+ font->set_attribute ("Color", color.to_argb_string());
+ font->set_attribute ("Size", lexical_cast<string> (size));
+ font->set_attribute ("Effect", effect_to_string (effect));
+ font->set_attribute ("EffectColor", effect_color.to_argb_string());
+ font->set_attribute ("Script", "normal");
+ font->set_attribute ("Underlined", "no");
+ font->set_attribute ("Weight", "normal");
+ }
+
+ if (!subtitle || font_changed ||
+ (last_in != (*i)->in() ||
+ last_out != (*i)->out() ||
+ last_fade_up_time != (*i)->fade_up_time() ||
+ last_fade_down_time != (*i)->fade_down_time()
+ )) {
+
+ subtitle = font->add_child ("Subtitle");
+ subtitle->set_attribute ("SpotNumber", lexical_cast<string> (spot_number++));
+ subtitle->set_attribute ("TimeIn", (*i)->in().to_string());
+ subtitle->set_attribute ("TimeOut", (*i)->out().to_string());
+ subtitle->set_attribute ("FadeUpTime", lexical_cast<string> ((*i)->fade_up_time().to_ticks()));
+ subtitle->set_attribute ("FadeDownTime", lexical_cast<string> ((*i)->fade_down_time().to_ticks()));
+
+ last_in = (*i)->in ();
+ last_out = (*i)->out ();
+ last_fade_up_time = (*i)->fade_up_time ();
+ last_fade_down_time = (*i)->fade_down_time ();
+ }
+
+ xmlpp::Element* text = subtitle->add_child ("Text");
+ text->set_attribute ("VAlign", valign_to_string ((*i)->v_align()));
+ text->set_attribute ("VPosition", lexical_cast<string> ((*i)->v_position()));
+ text->add_child_text ((*i)->text());
+ }
+
+ doc.write_to_stream_formatted (s, "UTF-8");
+}
+