97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2012 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// mapnik
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#include <mapnik/formatting/text.hpp>
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#include <mapnik/expression_string.hpp>
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#include <mapnik/expression_evaluator.hpp>
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#include <mapnik/feature.hpp>
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#include <mapnik/text_properties.hpp>
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#include <mapnik/processed_text.hpp>
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#include <mapnik/xml_node.hpp>
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#include <mapnik/value_types.hpp>
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// boost
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#include <boost/property_tree/ptree.hpp>
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#include <boost/make_shared.hpp>
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namespace mapnik
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{
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namespace formatting
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{
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using boost::property_tree::ptree;
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void text_node::to_xml(ptree &xml) const
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{
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ptree &new_node = xml.push_back(ptree::value_type(
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"<xmltext>", ptree()))->second;
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new_node.put_value(to_expression_string(*text_));
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}
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node_ptr text_node::from_xml(xml_node const& xml)
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{
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return boost::make_shared<text_node>(xml.get_value<expression_ptr>());
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}
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void text_node::apply(char_properties const& p, feature_impl const& feature, processed_text &output) const
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{
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mapnik::value_unicode_string text_str = boost::apply_visitor(evaluate<feature_impl,value_type>(feature), *text_).to_unicode();
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if (p.text_transform == UPPERCASE)
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{
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text_str = text_str.toUpper();
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}
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else if (p.text_transform == LOWERCASE)
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{
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text_str = text_str.toLower();
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}
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#if !UCONFIG_NO_BREAK_ITERATION
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else if (p.text_transform == CAPITALIZE)
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{
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// note: requires BreakIterator support in ICU which is optional
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text_str = text_str.toTitle(NULL);
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}
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#endif
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if (text_str.length() > 0) {
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output.push_back(p, text_str);
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}
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}
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void text_node::add_expressions(expression_set &output) const
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{
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if (text_) output.insert(text_);
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}
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void text_node::set_text(expression_ptr text)
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{
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text_ = text;
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}
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expression_ptr text_node::get_text() const
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{
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return text_;
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}
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} //ns formatting
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} //ns mapnik
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