Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

251 lines (208 sloc) 4.914 kb
/*****************************************************************************
*
* 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
*
*****************************************************************************/
// mapnik
#include <mapnik/layer.hpp>
#include <mapnik/datasource.hpp>
#include <mapnik/datasource_cache.hpp>
// stl
#include <string>
#include <iostream>
namespace mapnik
{
layer::layer(std::string const& name, std::string const& srs)
: name_(name),
srs_(srs),
min_zoom_(0),
max_zoom_(std::numeric_limits<double>::max()),
active_(true),
queryable_(false),
clear_label_cache_(false),
cache_features_(false),
group_by_(""),
ds_() {}
layer::layer(const layer& rhs)
: name_(rhs.name_),
srs_(rhs.srs_),
min_zoom_(rhs.min_zoom_),
max_zoom_(rhs.max_zoom_),
active_(rhs.active_),
queryable_(rhs.queryable_),
clear_label_cache_(rhs.clear_label_cache_),
cache_features_(rhs.cache_features_),
group_by_(rhs.group_by_),
styles_(rhs.styles_),
ds_(rhs.ds_),
buffer_size_(rhs.buffer_size_),
maximum_extent_(rhs.maximum_extent_) {}
layer& layer::operator=(const layer& rhs)
{
layer tmp(rhs);
swap(tmp);
return *this;
}
bool layer::operator==(layer const& other) const
{
return (this == &other);
}
void layer::swap(const layer& rhs)
{
name_=rhs.name_;
srs_ = rhs.srs_;
min_zoom_=rhs.min_zoom_;
max_zoom_=rhs.max_zoom_;
active_=rhs.active_;
queryable_=rhs.queryable_;
clear_label_cache_ = rhs.clear_label_cache_;
cache_features_ = rhs.cache_features_;
group_by_ = rhs.group_by_;
styles_=rhs.styles_;
ds_=rhs.ds_;
buffer_size_ = rhs.buffer_size_;
maximum_extent_ = rhs.maximum_extent_;
}
layer::~layer() {}
void layer::set_name( std::string const& name)
{
name_ = name;
}
std::string const& layer::name() const
{
return name_;
}
void layer::set_srs(std::string const& srs)
{
srs_ = srs;
}
std::string const& layer::srs() const
{
return srs_;
}
void layer::add_style(std::string const& stylename)
{
styles_.push_back(stylename);
}
std::vector<std::string> const& layer::styles() const
{
return styles_;
}
std::vector<std::string> & layer::styles()
{
return styles_;
}
void layer::set_min_zoom(double min_zoom)
{
min_zoom_=min_zoom;
}
void layer::set_max_zoom(double max_zoom)
{
max_zoom_=max_zoom;
}
double layer::min_zoom() const
{
return min_zoom_;
}
double layer::max_zoom() const
{
return max_zoom_;
}
void layer::set_active(bool active)
{
active_=active;
}
bool layer::active() const
{
return active_;
}
bool layer::visible(double scale) const
{
return active() && scale >= min_zoom_ - 1e-6 && scale < max_zoom_ + 1e-6;
}
void layer::set_queryable(bool queryable)
{
queryable_=queryable;
}
bool layer::queryable() const
{
return queryable_;
}
datasource_ptr layer::datasource() const
{
return ds_;
}
void layer::set_datasource(datasource_ptr const& ds)
{
ds_ = ds;
}
void layer::set_maximum_extent(box2d<double> const& box)
{
maximum_extent_.reset(box);
}
boost::optional<box2d<double> > const& layer::maximum_extent() const
{
return maximum_extent_;
}
void layer::reset_maximum_extent()
{
maximum_extent_.reset();
}
void layer::set_buffer_size(int size)
{
buffer_size_.reset(size);
}
boost::optional<int> const& layer::buffer_size() const
{
return buffer_size_;
}
void layer::reset_buffer_size()
{
buffer_size_.reset();
}
box2d<double> layer::envelope() const
{
if (ds_) return ds_->envelope();
return box2d<double>();
}
void layer::set_clear_label_cache(bool clear)
{
clear_label_cache_ = clear;
}
bool layer::clear_label_cache() const
{
return clear_label_cache_;
}
void layer::set_cache_features(bool cache_features)
{
cache_features_ = cache_features;
}
bool layer::cache_features() const
{
return cache_features_;
}
void layer::set_group_by(std::string column)
{
group_by_ = column;
}
std::string const& layer::group_by() const
{
return group_by_;
}
}
Jump to Line
Something went wrong with that request. Please try again.