72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2017 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_WKB_HPP
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#define MAPNIK_WKB_HPP
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// mapnik
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#include <mapnik/config.hpp>
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#include <mapnik/geometry.hpp>
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#include <mapnik/util/noncopyable.hpp>
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namespace mapnik
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{
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/*!
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* From wikipedia.com:
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*
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* Well-known text (WKT) is a text markup language for representing vector
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* geometry objects on a map, spatial reference systems of spatial objects
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* and transformations between spatial reference systems. A binary equivalent,
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* known as well-known binary (WKB) is used to transfer and store the same
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* information on databases, such as PostGIS. The formats are regulated by
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* the Open Geospatial Consortium (OGC) and described in their Simple Feature
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* Access and Coordinate Transformation Service specifications.
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*/
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enum wkbFormat : std::uint8_t
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{
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wkbAuto=1,
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wkbGeneric=2,
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wkbSpatiaLite=3
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};
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enum wkbByteOrder : std::uint8_t
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{
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wkbXDR=0,
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wkbNDR=1
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};
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class MAPNIK_DECL geometry_utils : private util::noncopyable
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{
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public:
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static geometry::geometry<double> from_wkb(char const* wkb,
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std::size_t size,
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wkbFormat format = wkbGeneric);
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static geometry::geometry<double> from_twkb(char const* twkb, std::size_t size);
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};
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}
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#endif // MAPNIK_WKB_HPP
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