94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/* This file is part of Mapnik (c++ mapping toolkit)
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* Copyright (C) 2005 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id$
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#ifndef STYLE_HH
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#define STYLE_HH
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//#include "feature.hh"
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#include "color.hh"
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#include "ptr.hh"
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#include "symbolizer.hh"
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//#include "rule.hh"
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#include <vector>
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#include <algorithm>
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#include <functional>
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namespace mapnik
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{
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class IsActive : public std::unary_function<ref_ptr<Symbolizer>, bool>
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{
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private:
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double scale_;
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public:
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IsActive(double scale)
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: scale_(scale) {}
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bool operator()(const ref_ptr<Symbolizer>& symbol)
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{
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return symbol->active(scale_);
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}
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};
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class Style
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{
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private:
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std::vector<ref_ptr<Symbolizer> > symbols_;
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static ref_ptr<Symbolizer> zero_symbol_;
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public:
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typedef std::vector<ref_ptr<Symbolizer> >::const_iterator Iterator;
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Style() {}
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Style(const ref_ptr<Symbolizer>& symbol)
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{
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symbols_.push_back(symbol);
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}
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~Style() {}
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Style(const Style& rhs)
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: symbols_(rhs.symbols_) {}
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Style& operator=(const Style& rhs)
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{
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if (this==&rhs) return *this;
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symbols_=rhs.symbols_;
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return *this;
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}
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void add(const ref_ptr<Symbolizer>& symbol)
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{
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symbols_.push_back(symbol);
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}
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Iterator find(double scale) const
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{
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return std::find_if(symbols_.begin(),symbols_.end(),IsActive(scale));
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}
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Iterator end() const
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{
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return symbols_.end();
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}
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};
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}
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#endif //STYLE_HH
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