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/*
Copyright (C) 2014-2015 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 "dcp_reader.h"
#include "vertical_reference.h"
#include "xml.h"
#include "util.h"
#include "dcp/font.h"
#include "dcp/text.h"
#include "dcp/subtitle.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
using std::list;
using std::cout;
using std::string;
using boost::shared_ptr;
using boost::optional;
using namespace sub;
void
DCPReader::parse_common (cxml::NodePtr root, optional<int> tcr)
{
_reel_number = root->string_child ("ReelNumber");
_language = root->string_child ("Language");
ParseState parse_state;
parse_node (root->node(), parse_state, tcr);
}
void
DCPReader::parse_node (xmlpp::Node const * node, ParseState& parse_state, optional<int> tcr)
{
xmlpp::Node::NodeList children = node->get_children ();
for (xmlpp::Node::NodeList::iterator i = children.begin(); i != children.end(); ++i) {
xmlpp::ContentNode const * c = dynamic_cast<xmlpp::ContentNode const *> (*i);
if (c) {
maybe_add_subtitle (c->get_content (), parse_state);
}
xmlpp::Element* e = dynamic_cast<xmlpp::Element *> (*i);
if (e) {
cxml::NodePtr n (new cxml::Node (e));
if (n->name() == "Font") {
parse_state.font_nodes.push_back (shared_ptr<dcp::Font> (new dcp::Font (n)));
parse_node (e, parse_state, tcr);
parse_state.font_nodes.pop_back ();
} else if (n->name() == "Text") {
parse_state.text_nodes.push_back (shared_ptr<dcp::Text> (new dcp::Text (n)));
parse_node (e, parse_state, tcr);
parse_state.text_nodes.pop_back ();
} else if (n->name() == "Subtitle") {
parse_state.subtitle_nodes.push_back (shared_ptr<dcp::Subtitle> (new dcp::Subtitle (n, tcr)));
parse_node (e, parse_state, tcr);
parse_state.subtitle_nodes.pop_back ();
} else if (n->name() == "SubtitleList") {
parse_node (e, parse_state, tcr);
}
}
}
}
void
DCPReader::maybe_add_subtitle (string text, ParseState const & parse_state)
{
if (empty_or_white_space (text)) {
return;
}
if (parse_state.text_nodes.empty() || parse_state.subtitle_nodes.empty ()) {
return;
}
dcp::Font effective_font (parse_state.font_nodes);
dcp::Text effective_text (*parse_state.text_nodes.back ());
dcp::Subtitle effective_subtitle (*parse_state.subtitle_nodes.back ());
RawSubtitle rs;
rs.text = text;
rs.font = effective_font.id;
rs.font_size.set_proportional (float (effective_font.size) / (72 * 11));
rs.effect = effective_font.effect;
rs.effect_colour = effective_font.effect_colour;
rs.colour = effective_font.colour.get();
rs.bold = false;
rs.italic = effective_font.italic.get();
rs.underline = false;
rs.vertical_position.proportional = float (effective_text.v_position) / 100;
rs.vertical_position.reference = effective_text.v_align;
rs.from = effective_subtitle.in;
rs.to = effective_subtitle.out;
rs.fade_up = effective_subtitle.fade_up_time;
rs.fade_down = effective_subtitle.fade_down_time;
_subs.push_back (rs);
}
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