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// Boost.Polygon library voronoi_geometry_type.hpp header file
// Copyright Andrii Sydorchuk 2010-2012.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_POLYGON_VORONOI_GEOMETRY_TYPE
#define BOOST_POLYGON_VORONOI_GEOMETRY_TYPE
#include <cstddef>
namespace boost {
namespace polygon {
// Represents topology type of the voronoi site.
enum GeometryCategory {
GEOMETRY_CATEGORY_POINT = 0x0,
GEOMETRY_CATEGORY_SEGMENT = 0x1
};
// Represents category of the input source that forms Voronoi cell.
enum SourceCategory {
// Point subtypes.
SOURCE_CATEGORY_SINGLE_POINT = 0x0,
SOURCE_CATEGORY_SEGMENT_START_POINT = 0x1,
SOURCE_CATEGORY_SEGMENT_END_POINT = 0x2,
// Segment subtypes.
SOURCE_CATEGORY_INITIAL_SEGMENT = 0x8,
SOURCE_CATEGORY_REVERSE_SEGMENT = 0x9,
SOURCE_CATEGORY_GEOMETRY_SHIFT = 0x3,
SOURCE_CATEGORY_BITMASK = 0x1F
};
inline bool belongs(
SourceCategory source_category,
GeometryCategory geometry_category) {
return (static_cast<std::size_t>(source_category) >>
SOURCE_CATEGORY_GEOMETRY_SHIFT) ==
static_cast<std::size_t>(geometry_category);
}
} // polygon
} // boost
#endif // BOOST_POLYGON_VORONOI_GEOMETRY_TYPE
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