Rename some stuff Content -> Asset.

1 files changed, 239 insertions, 0 deletions

diff --git a/src/interop_subtitle_asset.cc b/src/interop_subtitle_asset.cc
new file mode 100644
index 00000000..a6bdfcaf
--- /dev/null
+++ b/src/interop_subtitle_asset.cc
@@ -0,0 +1,239 @@
+/*
+    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "interop_subtitle_asset.h"
+#include "interop_load_font_node.h"
+#include "xml.h"
+#include "raw_convert.h"
+#include "font_node.h"
+#include <libxml++/libxml++.h>
+#include <boost/foreach.hpp>
+#include <cmath>
+
+using std::list;
+using std::string;
+using std::cout;
+using boost::shared_ptr;
+using boost::optional;
+using boost::dynamic_pointer_cast;
+using namespace dcp;
+
+InteropSubtitleAsset::InteropSubtitleAsset (boost::filesystem::path file)
+	: SubtitleAsset (file)
+{
+	shared_ptr<cxml::Document> xml (new cxml::Document ("DCSubtitle"));
+	xml->read_file (file);
+	_id = xml->string_child ("SubtitleID");
+
+	_movie_title = xml->string_child ("MovieTitle");
+	_load_font_nodes = type_children<dcp::InteropLoadFontNode> (xml, "LoadFont");
+
+	list<cxml::NodePtr> f = xml->node_children ("Font");
+	list<shared_ptr<dcp::FontNode> > font_nodes;
+	BOOST_FOREACH (cxml::NodePtr& i, f) {
+		font_nodes.push_back (shared_ptr<FontNode> (new FontNode (i, 250)));
+	}
+
+	parse_common (xml, font_nodes);
+}
+
+InteropSubtitleAsset::InteropSubtitleAsset (string movie_title, string language)
+	: _movie_title (movie_title)
+{
+	_language = language;
+}
+
+struct SubtitleSorter {
+	bool operator() (SubtitleString const & a, SubtitleString const & b) {
+		if (a.in() != b.in()) {
+			return a.in() < b.in();
+		}
+		return a.v_position() < b.v_position();
+	}
+};
+
+Glib::ustring
+InteropSubtitleAsset::xml_as_string () 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 (_id);
+	root->add_child("MovieTitle")->add_child_text (_movie_title);
+	root->add_child("ReelNumber")->add_child_text (raw_convert<string> (_reel_number));
+	root->add_child("Language")->add_child_text (_language);
+
+	for (list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin(); i != _load_font_nodes.end(); ++i) {
+		xmlpp::Element* load_font = root->add_child("LoadFont");
+		load_font->set_attribute ("Id", (*i)->id);
+		load_font->set_attribute ("URI", (*i)->uri);
+	}
+
+	list<SubtitleString> sorted = _subtitles;
+	sorted.sort (SubtitleSorter ());
+
+	/* XXX: script, underlined, weight not supported */
+
+	optional<string> font;
+	bool italic = false;
+	Colour colour;
+	int size = 0;
+	float aspect_adjust = 1.0;
+	Effect effect = NONE;
+	Colour effect_colour;
+	int spot_number = 1;
+	Time last_in;
+	Time last_out;
+	Time last_fade_up_time;
+	Time last_fade_down_time;
+
+	xmlpp::Element* font_element = 0;
+	xmlpp::Element* subtitle_element = 0;
+
+	for (list<SubtitleString>::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 =
+			font          != i->font()          ||
+			italic        != i->italic()        ||
+			colour        != i->colour()        ||
+			size          != i->size()          ||
+			fabs (aspect_adjust - i->aspect_adjust()) > ASPECT_ADJUST_EPSILON ||
+			effect        != i->effect()        ||
+			effect_colour != i->effect_colour();
+
+		if (font_changed) {
+			font = i->font ();
+			italic = i->italic ();
+			colour = i->colour ();
+			size = i->size ();
+			aspect_adjust = i->aspect_adjust ();
+			effect = i->effect ();
+			effect_colour = i->effect_colour ();
+		}
+
+		if (!font_element || font_changed) {
+			font_element = root->add_child ("Font");
+			if (font) {
+				font_element->set_attribute ("Id", font.get ());
+			}
+			font_element->set_attribute ("Italic", italic ? "yes" : "no");
+			font_element->set_attribute ("Color", colour.to_argb_string());
+			font_element->set_attribute ("Size", raw_convert<string> (size));
+			if (fabs (aspect_adjust - 1.0) > ASPECT_ADJUST_EPSILON) {
+				font_element->set_attribute ("AspectAdjust", raw_convert<string> (aspect_adjust));
+			}
+			font_element->set_attribute ("Effect", effect_to_string (effect));
+			font_element->set_attribute ("EffectColor", effect_colour.to_argb_string());
+			font_element->set_attribute ("Script", "normal");
+			font_element->set_attribute ("Underlined", "no");
+			font_element->set_attribute ("Weight", "normal");
+		}
+
+		if (!subtitle_element || 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_element = font_element->add_child ("Subtitle");
+			subtitle_element->set_attribute ("SpotNumber", raw_convert<string> (spot_number++));
+			subtitle_element->set_attribute ("TimeIn", i->in().as_string());
+			subtitle_element->set_attribute ("TimeOut", i->out().as_string());
+			subtitle_element->set_attribute ("FadeUpTime", raw_convert<string> (i->fade_up_time().as_editable_units(250)));
+			subtitle_element->set_attribute ("FadeDownTime", raw_convert<string> (i->fade_down_time().as_editable_units(250)));
+
+			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_element->add_child ("Text");
+		if (i->h_align() != HALIGN_CENTER) {
+			text->set_attribute ("HAlign", halign_to_string (i->h_align ()));
+		}
+		if (i->h_position() > ALIGN_EPSILON) {
+			text->set_attribute ("HPosition", raw_convert<string> (i->h_position() * 100, 6));
+		}
+		text->set_attribute ("VAlign", valign_to_string (i->v_align()));		
+		text->set_attribute ("VPosition", raw_convert<string> (i->v_position() * 100, 6));
+		text->add_child_text (i->text());
+	}
+
+	return doc.write_to_string_formatted ("UTF-8");
+}
+
+void
+InteropSubtitleAsset::add_font (string id, string uri)
+{
+	_load_font_nodes.push_back (shared_ptr<InteropLoadFontNode> (new InteropLoadFontNode (id, uri)));
+}
+
+bool
+InteropSubtitleAsset::equals (shared_ptr<const Asset> other_asset, EqualityOptions options, NoteHandler note) const
+{
+	if (!SubtitleAsset::equals (other_asset, options, note)) {
+		return false;
+	}
+	
+	shared_ptr<const InteropSubtitleAsset> other = dynamic_pointer_cast<const InteropSubtitleAsset> (other_asset);
+	if (!other) {
+		return false;
+	}
+
+	list<shared_ptr<InteropLoadFontNode> >::const_iterator i = _load_font_nodes.begin ();
+	list<shared_ptr<InteropLoadFontNode> >::const_iterator j = other->_load_font_nodes.begin ();
+
+	while (i != _load_font_nodes.end ()) {
+		if (j == other->_load_font_nodes.end ()) {
+			note (DCP_ERROR, "<LoadFont> nodes differ");
+			return false;
+		}
+
+		if (**i != **j) {
+			note (DCP_ERROR, "<LoadFont> nodes differ");
+			return false;
+		}
+
+		++i;
+		++j;
+	}
+
+	if (_movie_title != other->_movie_title) {
+		note (DCP_ERROR, "Subtitle movie titles differ");
+		return false;
+	}
+
+	return true;
+}
+
+list<shared_ptr<LoadFontNode> >
+InteropSubtitleAsset::load_font_nodes () const
+{
+	list<shared_ptr<LoadFontNode> > lf;
+	copy (_load_font_nodes.begin(), _load_font_nodes.end(), back_inserter (lf));
+	return lf;
+}