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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef MAPNIK_RULE_HPP
#define MAPNIK_RULE_HPP
// mapnik
#include <mapnik/building_symbolizer.hpp>
#include <mapnik/line_symbolizer.hpp>
#include <mapnik/line_pattern_symbolizer.hpp>
#include <mapnik/polygon_symbolizer.hpp>
#include <mapnik/polygon_pattern_symbolizer.hpp>
#include <mapnik/point_symbolizer.hpp>
#include <mapnik/raster_symbolizer.hpp>
#include <mapnik/shield_symbolizer.hpp>
#include <mapnik/text_symbolizer.hpp>
#include <mapnik/markers_symbolizer.hpp>
#include <mapnik/debug_symbolizer.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/expression.hpp>
#include <mapnik/expression_string.hpp>
#include <mapnik/config.hpp> // MAPNIK_DECL
// boost
#include <boost/concept_check.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/variant.hpp>
// stl
#include <string>
#include <vector>
namespace mapnik
{
inline bool operator==(point_symbolizer const& lhs,
point_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(line_symbolizer const& lhs,
line_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(line_pattern_symbolizer const& lhs,
line_pattern_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(polygon_symbolizer const& lhs,
polygon_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(polygon_pattern_symbolizer const& lhs,
polygon_pattern_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(raster_symbolizer const& lhs,
raster_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(text_symbolizer const& lhs,
text_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(shield_symbolizer const& lhs,
shield_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(building_symbolizer const& lhs,
building_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(markers_symbolizer const& lhs,
markers_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(debug_symbolizer const& lhs,
debug_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
typedef boost::variant<point_symbolizer,
line_symbolizer,
line_pattern_symbolizer,
polygon_symbolizer,
polygon_pattern_symbolizer,
raster_symbolizer,
shield_symbolizer,
text_symbolizer,
building_symbolizer,
markers_symbolizer,
debug_symbolizer> symbolizer;
class MAPNIK_DECL rule
{
public:
typedef std::vector<symbolizer> symbolizers;
private:
std::string name_;
double min_scale_;
double max_scale_;
symbolizers syms_;
expression_ptr filter_;
bool else_filter_;
bool also_filter_;
public:
rule();
rule(std::string const& name,
double min_scale_denominator = 0,
double max_scale_denominator = std::numeric_limits<double>::infinity());
rule(const rule& rhs, bool deep_copy = false);
rule& operator=(rule const& rhs);
bool operator==(rule const& other);
void set_max_scale(double scale);
double get_max_scale() const;
void set_min_scale(double scale);
double get_min_scale() const;
void set_name(std::string const& name);
std::string const& get_name() const;
void append(symbolizer const& sym);
void remove_at(size_t index);
const symbolizers& get_symbolizers() const;
symbolizers::const_iterator begin() const;
symbolizers::const_iterator end() const;
symbolizers::iterator begin();
symbolizers::iterator end();
void set_filter(expression_ptr const& filter);
expression_ptr const& get_filter() const;
void set_else(bool else_filter);
bool has_else_filter() const;
void set_also(bool also_filter);
bool has_also_filter() const;
bool active(double scale) const;
private:
void swap(rule& rhs) throw()
{
name_=rhs.name_;
min_scale_=rhs.min_scale_;
max_scale_=rhs.max_scale_;
syms_=rhs.syms_;
filter_=rhs.filter_;
else_filter_=rhs.else_filter_;
also_filter_=rhs.also_filter_;
}
};
}
#endif // MAPNIK_RULE_HPP
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