76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
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/*****************************************************************************
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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) 2011 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/color.hpp>
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#include <mapnik/color_factory.hpp>
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#include <mapnik/config_error.hpp>
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#include <mapnik/css_color_grammar.hpp>
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// boost
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#include <boost/version.hpp>
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// stl
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#include <sstream>
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namespace mapnik {
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color parse_color(std::string const& str)
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{
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css_color_grammar<std::string::const_iterator> g;
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return parse_color(str, g);
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}
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color parse_color(std::string const& str,
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css_color_grammar<std::string::const_iterator> const& g)
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{
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color c;
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std::string::const_iterator first = str.begin();
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std::string::const_iterator last = str.end();
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// boost 1.41 -> 1.44 compatibility, to be removed in mapnik 2.1 (dane)
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#if BOOST_VERSION >= 104500
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bool result = boost::spirit::qi::phrase_parse(first, last, g,
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boost::spirit::ascii::space,
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c);
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#else
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mapnik::css css_;
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bool result = boost::spirit::qi::phrase_parse(first, last, g,
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boost::spirit::ascii::space,
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css_);
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c.set_red(css_.r);
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c.set_green(css_.g);
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c.set_blue(css_.b);
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c.set_alpha(css_.a);
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#endif
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if (result && (first == last))
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return c;
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else
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throw config_error( "Failed to parse color: \"" + str + "\"" );
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}
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}
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