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/*
Copyright (C) 2012-2014 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.
*/
/** @file src/text.cc
* @brief Text class for parsing DCP subtitle XML.
*/
#include "../xml.h"
#include "text.h"
#include "font.h"
#include <libcxml/cxml.h>
#include <boost/foreach.hpp>
using std::string;
using std::list;
using boost::shared_ptr;
using boost::optional;
using namespace sub;
/** Read a <Text> node from a subtitle XML file, noting its contents
* in this object's member variables.
* @param node Node to read.
*/
dcp::Text::Text (boost::shared_ptr<const cxml::Node> node)
: v_align (CENTRE_OF_SCREEN)
{
optional<float> x = node->optional_number_attribute<float> ("VPosition");
if (!x) {
x = node->number_attribute<float> ("Vposition");
}
v_position = x.get ();
optional<string> v = node->optional_string_attribute ("VAlign");
if (!v) {
v = node->optional_string_attribute ("Valign");
}
if (v) {
if (v.get() == "top") {
v_align = TOP_OF_SCREEN;
} else if (v.get() == "center") {
v_align = CENTRE_OF_SCREEN;
} else if (v.get() == "bottom") {
v_align = BOTTOM_OF_SCREEN;
} else {
boost::throw_exception (DCPError ("unknown subtitle valign type"));
}
}
}
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