ceph/src/boost/libs/geometry/include/boost/geometry/algorithms/detail/overlay/overlay_type.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // Use, modification and distribution is subject to the Boost Software License,
   6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_OVERLAY_TYPE_HPP
  10 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_OVERLAY_TYPE_HPP
  11
  12
  13
  14 namespace boost { namespace geometry
  15 {
  16
  17 // TODO: move to detail
  18 enum overlay_type
  19 {
  20     overlay_union,
  21     overlay_intersection,
  22     overlay_difference,
  23     overlay_buffer,
  24     overlay_dissolve
  25 };
  26
  27 #ifndef DOXYGEN_NO_DETAIL
  28 namespace detail { namespace overlay
  29 {
  30
  31 enum operation_type
  32 {
  33     operation_none,
  34     operation_union,
  35     operation_intersection,
  36     operation_blocked,
  37     operation_continue,
  38     operation_opposite
  39 };
  40
  41
  42 template <overlay_type OverlayType>
  43 struct operation_from_overlay
  44 {
  45     static const operation_type value = operation_union;
  46 };
  47
  48 template <>
  49 struct operation_from_overlay<overlay_intersection>
  50 {
  51     static const operation_type value = operation_intersection;
  52 };
  53
  54 template <>
  55 struct operation_from_overlay<overlay_difference>
  56 {
  57     static const operation_type value = operation_intersection;
  58 };
  59
  60 }} // namespace detail::overlay
  61 #endif //DOXYGEN_NO_DETAIL
  62
  63
  64 }} // namespace boost::geometry
  65
  66
  67 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_OVERLAY_TYPE_HPP