172 lines
4.2 KiB
C++
172 lines
4.2 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2015 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_QUERY_HPP
|
|
#define MAPNIK_QUERY_HPP
|
|
|
|
//mapnik
|
|
#include <mapnik/box2d.hpp>
|
|
#include <mapnik/attribute.hpp>
|
|
|
|
// stl
|
|
#include <set>
|
|
#include <string>
|
|
#include <tuple>
|
|
|
|
namespace mapnik {
|
|
|
|
class query
|
|
{
|
|
public:
|
|
using resolution_type = std::tuple<double,double>;
|
|
|
|
query(box2d<double> const& bbox,
|
|
resolution_type const& _resolution,
|
|
double _scale_denominator,
|
|
box2d<double> const& unbuffered_bbox)
|
|
: bbox_(bbox),
|
|
resolution_(_resolution),
|
|
scale_denominator_(_scale_denominator),
|
|
filter_factor_(1.0),
|
|
unbuffered_bbox_(unbuffered_bbox),
|
|
names_(),
|
|
vars_()
|
|
{}
|
|
|
|
query(box2d<double> const& bbox,
|
|
resolution_type const& _resolution,
|
|
double _scale_denominator = 1.0)
|
|
: bbox_(bbox),
|
|
resolution_(_resolution),
|
|
scale_denominator_(_scale_denominator),
|
|
filter_factor_(1.0),
|
|
unbuffered_bbox_(bbox),
|
|
names_(),
|
|
vars_()
|
|
{}
|
|
|
|
query(box2d<double> const& bbox)
|
|
: bbox_(bbox),
|
|
resolution_(resolution_type(1.0,1.0)),
|
|
scale_denominator_(1.0),
|
|
filter_factor_(1.0),
|
|
unbuffered_bbox_(bbox),
|
|
names_(),
|
|
vars_()
|
|
{}
|
|
|
|
query(query const& other)
|
|
: bbox_(other.bbox_),
|
|
resolution_(other.resolution_),
|
|
scale_denominator_(other.scale_denominator_),
|
|
filter_factor_(other.filter_factor_),
|
|
unbuffered_bbox_(other.unbuffered_bbox_),
|
|
names_(other.names_),
|
|
vars_(other.vars_)
|
|
{}
|
|
|
|
query& operator=(query const& other)
|
|
{
|
|
if (this == &other) return *this;
|
|
bbox_=other.bbox_;
|
|
resolution_=other.resolution_;
|
|
scale_denominator_=other.scale_denominator_;
|
|
filter_factor_=other.filter_factor_;
|
|
unbuffered_bbox_=other.unbuffered_bbox_;
|
|
names_=other.names_;
|
|
vars_=other.vars_;
|
|
return *this;
|
|
}
|
|
|
|
query::resolution_type const& resolution() const
|
|
{
|
|
return resolution_;
|
|
}
|
|
|
|
double scale_denominator() const
|
|
{
|
|
return scale_denominator_;
|
|
}
|
|
|
|
box2d<double> const& get_bbox() const
|
|
{
|
|
return bbox_;
|
|
}
|
|
|
|
box2d<double> const& get_unbuffered_bbox() const
|
|
{
|
|
return unbuffered_bbox_;
|
|
}
|
|
|
|
void set_unbuffered_bbox(box2d<double> const& bbox)
|
|
{
|
|
unbuffered_bbox_ = bbox;
|
|
}
|
|
|
|
void set_bbox(box2d<double> const& bbox)
|
|
{
|
|
bbox_ = bbox;
|
|
}
|
|
|
|
double get_filter_factor() const
|
|
{
|
|
return filter_factor_;
|
|
}
|
|
|
|
void set_filter_factor(double factor)
|
|
{
|
|
filter_factor_ = factor;
|
|
}
|
|
|
|
void add_property_name(std::string const& name)
|
|
{
|
|
names_.insert(name);
|
|
}
|
|
|
|
std::set<std::string> const& property_names() const
|
|
{
|
|
return names_;
|
|
}
|
|
|
|
void set_variables(attributes const& vars)
|
|
{
|
|
vars_ = vars;
|
|
}
|
|
|
|
attributes const& variables() const
|
|
{
|
|
return vars_;
|
|
}
|
|
|
|
private:
|
|
box2d<double> bbox_;
|
|
resolution_type resolution_;
|
|
double scale_denominator_;
|
|
double filter_factor_;
|
|
box2d<double> unbuffered_bbox_;
|
|
std::set<std::string> names_;
|
|
attributes vars_;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // MAPNIK_QUERY_HPP
|