1f61aa3981
ref https://github.com/CartoDB/mapnik/blob/2.3.x.cartodb/plugins/input/postgis/postgis_utils.cpp ref https://github.com/CartoDB/mapnik/tree/2.3.x.cartodb/plugins/input/postgis#23xcartodb
72 lines
2.2 KiB
C++
72 lines
2.2 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_WKB_HPP
|
|
#define MAPNIK_WKB_HPP
|
|
|
|
// mapnik
|
|
#include <mapnik/config.hpp>
|
|
#include <mapnik/geometry.hpp>
|
|
#include <mapnik/util/noncopyable.hpp>
|
|
|
|
namespace mapnik
|
|
{
|
|
|
|
/*!
|
|
* From wikipedia.com:
|
|
*
|
|
* Well-known text (WKT) is a text markup language for representing vector
|
|
* geometry objects on a map, spatial reference systems of spatial objects
|
|
* and transformations between spatial reference systems. A binary equivalent,
|
|
* known as well-known binary (WKB) is used to transfer and store the same
|
|
* information on databases, such as PostGIS. The formats are regulated by
|
|
* the Open Geospatial Consortium (OGC) and described in their Simple Feature
|
|
* Access and Coordinate Transformation Service specifications.
|
|
*/
|
|
|
|
enum wkbFormat : std::uint8_t
|
|
{
|
|
wkbAuto=1,
|
|
wkbGeneric=2,
|
|
wkbSpatiaLite=3
|
|
};
|
|
|
|
enum wkbByteOrder : std::uint8_t
|
|
{
|
|
wkbXDR=0,
|
|
wkbNDR=1
|
|
};
|
|
|
|
class MAPNIK_DECL geometry_utils : private util::noncopyable
|
|
{
|
|
public:
|
|
|
|
static geometry::geometry<double> from_wkb(char const* wkb,
|
|
std::size_t size,
|
|
wkbFormat format = wkbGeneric);
|
|
|
|
static geometry::geometry<double> from_twkb(char const* twkb, std::size_t size);
|
|
};
|
|
|
|
}
|
|
|
|
#endif // MAPNIK_WKB_HPP
|