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