detail/overlay/debug_turn_info.hpp

0001 // Boost.Geometry (aka GGL, Generic Geometry Library)
0002
0003 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
0004
0005 // Use, modification and distribution is subject to the Boost Software License,
0006 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0007 // http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DEBUG_TURN_INFO_HPP
0010 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DEBUG_TURN_INFO_HPP
0011
0012 #include <boost/geometry/algorithms/detail/overlay/turn_info.hpp>
0013 #include <boost/geometry/algorithms/detail/overlay/visit_info.hpp>
0014
0015
0016 namespace boost { namespace geometry
0017 {
0018
0019 inline char method_char(detail::overlay::method_type const& method)
0020 {
0021     using namespace detail::overlay;
0022     switch(method)
0023     {
0024         case method_none : return '-';
0025         case method_disjoint : return 'd';
0026         case method_crosses : return 'i';
0027         case method_touch : return 't';
0028         case method_touch_interior : return 'm';
0029         case method_collinear : return 'c';
0030         case method_equal : return 'e';
0031         case method_start : return 's';
0032         case method_error : return '!';
0033         default : return '?';
0034     }
0035 }
0036
0037 inline char operation_char(detail::overlay::operation_type const& operation)
0038 {
0039     using namespace detail::overlay;
0040     switch(operation)
0041     {
0042         case operation_none : return '-';
0043         case operation_union : return 'u';
0044         case operation_intersection : return 'i';
0045         case operation_blocked : return 'x';
0046         case operation_continue : return 'c';
0047         case operation_opposite : return 'o';
0048         default : return '?';
0049     }
0050 }
0051
0052 inline char visited_char(detail::overlay::visit_info const& v)
0053 {
0054     if (v.rejected()) return 'R';
0055     if (v.started()) return 's';
0056     if (v.visited()) return 'v';
0057     if (v.none()) return '-';
0058     if (v.finished()) return 'f';
0059     return '?';
0060 }
0061
0062
0063
0064 }} // namespace boost::geometry
0065
0066
0067 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_DEBUG_TURN_INFO_HPP