/usr/include/mapnik/grid/grid_view.hpp is in libmapnik-dev 2.2.0+ds1-7+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | /*****************************************************************************
*
* 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_GRID_VIEW_HPP
#define MAPNIK_GRID_VIEW_HPP
#include <mapnik/image_data.hpp>
#include <mapnik/box2d.hpp>
#include <mapnik/global.hpp>
#include <mapnik/value.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/datasource.hpp> // for feature_ptr
// boost
#include <boost/cstdint.hpp>
// stl
#include <map>
#include <set>
#include <cmath>
#include <string>
#include <cassert>
#include <vector>
namespace mapnik {
template <typename T>
class hit_grid_view
{
public:
typedef T data_type;
typedef typename T::pixel_type value_type;
typedef typename T::pixel_type pixel_type;
typedef std::string lookup_type;
typedef std::map<value_type, lookup_type> feature_key_type;
typedef std::map<std::string, mapnik::feature_ptr> feature_type;
hit_grid_view(unsigned x, unsigned y,
unsigned width, unsigned height,
T const& data,
std::string const& key,
std::string const& id_name,
unsigned resolution,
std::set<std::string> const& names,
feature_key_type const& f_keys,
feature_type const& features
)
: x_(x),
y_(y),
width_(width),
height_(height),
data_(data),
key_(key),
resolution_(resolution),
id_name_(id_name),
names_(names),
f_keys_(f_keys),
features_(features)
{
if (x_ >= data_.width()) x_=data_.width()-1;
if (y_ >= data_.height()) x_=data_.height()-1;
if (x_ + width_ > data_.width()) width_= data_.width() - x_;
if (y_ + height_ > data_.height()) height_= data_.height() - y_;
}
~hit_grid_view() {}
hit_grid_view(hit_grid_view<T> const& rhs)
: x_(rhs.x_),
y_(rhs.y_),
width_(rhs.width_),
height_(rhs.height_),
data_(rhs.data_),
key_(rhs.key_),
resolution_(rhs.resolution_),
id_name_(rhs.id_name_),
names_(rhs.names_),
f_keys_(rhs.f_keys_),
features_(rhs.features_)
{}
hit_grid_view<T> & operator=(hit_grid_view<T> const& rhs)
{
if (&rhs==this) return *this;
x_ = rhs.x_;
y_ = rhs.y_;
width_ = rhs.width_;
height_ = rhs.height_;
data_ = rhs.data_;
key_ = rhs.key_;
resolution_ = rhs.resolution_;
id_name_ = rhs.id_name_;
names_ = rhs.names_;
f_keys_ = rhs.f_keys_;
features_ = rhs.features_;
return *this;
}
inline unsigned x() const
{
return x_;
}
inline unsigned y() const
{
return y_;
}
inline unsigned width() const
{
return width_;
}
inline unsigned height() const
{
return height_;
}
inline std::string const& key_name() const
{
return id_name_;
}
inline value_type const * getRow(unsigned row) const
{
return data_.getRow(row + y_) + x_;
}
inline T& data()
{
return data_;
}
inline T const& data() const
{
return data_;
}
inline const unsigned char* raw_data() const
{
return data_.getBytes();
}
inline std::set<std::string> const& property_names() const
{
return names_;
}
inline feature_type const& get_grid_features() const
{
return features_;
}
inline feature_key_type const& get_feature_keys() const
{
return f_keys_;
}
inline lookup_type const& get_key() const
{
return key_;
}
inline unsigned int get_resolution() const
{
return resolution_;
}
private:
unsigned x_;
unsigned y_;
unsigned width_;
unsigned height_;
T const& data_;
std::string const& key_;
unsigned int resolution_;
std::string const& id_name_;
std::set<std::string> const& names_;
feature_key_type const& f_keys_;
feature_type const& features_;
};
typedef hit_grid_view<mapnik::ImageData<mapnik::value_integer> > grid_view;
}
#endif // MAPNIK_GRID_VIEW_HPP
|