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-rw-r--r--boost/geometry/algorithms/detail/buffer/buffer_inserter.hpp57
1 files changed, 52 insertions, 5 deletions
diff --git a/boost/geometry/algorithms/detail/buffer/buffer_inserter.hpp b/boost/geometry/algorithms/detail/buffer/buffer_inserter.hpp
index 8447532a6c..029053dda3 100644
--- a/boost/geometry/algorithms/detail/buffer/buffer_inserter.hpp
+++ b/boost/geometry/algorithms/detail/buffer/buffer_inserter.hpp
@@ -2,6 +2,10 @@
// Copyright (c) 2012-2014 Barend Gehrels, Amsterdam, the Netherlands.
+// This file was modified by Oracle on 2017.
+// Modifications copyright (c) 2017 Oracle and/or its affiliates.
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
// Use, modification and distribution is subject to 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)
@@ -449,13 +453,14 @@ struct buffer_inserter<point_tag, Point, RingOutput>
}
};
-
+// Not a specialization, but called from specializations of ring and of polygon.
+// Calling code starts/finishes ring before/after apply
template
<
typename RingInput,
typename RingOutput
>
-struct buffer_inserter<ring_tag, RingInput, RingOutput>
+struct buffer_inserter_ring
{
typedef typename point_type<RingOutput>::type output_point_type;
@@ -568,6 +573,43 @@ struct buffer_inserter<ring_tag, RingInput, RingOutput>
template
<
+ typename RingInput,
+ typename RingOutput
+>
+struct buffer_inserter<ring_tag, RingInput, RingOutput>
+{
+ template
+ <
+ typename Collection,
+ typename DistanceStrategy,
+ typename SideStrategy,
+ typename JoinStrategy,
+ typename EndStrategy,
+ typename PointStrategy,
+ typename RobustPolicy
+ >
+ static inline strategy::buffer::result_code apply(RingInput const& ring,
+ Collection& collection,
+ DistanceStrategy const& distance,
+ SideStrategy const& side_strategy,
+ JoinStrategy const& join_strategy,
+ EndStrategy const& end_strategy,
+ PointStrategy const& point_strategy,
+ RobustPolicy const& robust_policy)
+ {
+ collection.start_new_ring();
+ strategy::buffer::result_code const code
+ = buffer_inserter_ring<RingInput, RingOutput>::apply(ring,
+ collection, distance,
+ side_strategy, join_strategy, end_strategy, point_strategy,
+ robust_policy);
+ collection.finish_ring(code);
+ return code;
+ }
+};
+
+template
+<
typename Linestring,
typename Polygon
>
@@ -709,7 +751,7 @@ private:
typedef typename ring_type<PolygonInput>::type input_ring_type;
typedef typename ring_type<PolygonOutput>::type output_ring_type;
- typedef buffer_inserter<ring_tag, input_ring_type, output_ring_type> policy;
+ typedef buffer_inserter_ring<input_ring_type, output_ring_type> policy;
template
@@ -854,6 +896,7 @@ template
typename JoinStrategy,
typename EndStrategy,
typename PointStrategy,
+ typename IntersectionStrategy,
typename RobustPolicy,
typename VisitPiecesPolicy
>
@@ -863,6 +906,7 @@ inline void buffer_inserter(GeometryInput const& geometry_input, OutputIterator
JoinStrategy const& join_strategy,
EndStrategy const& end_strategy,
PointStrategy const& point_strategy,
+ IntersectionStrategy const& intersection_strategy,
RobustPolicy const& robust_policy,
VisitPiecesPolicy& visit_pieces_policy
)
@@ -872,9 +916,10 @@ inline void buffer_inserter(GeometryInput const& geometry_input, OutputIterator
typedef detail::buffer::buffered_piece_collection
<
typename geometry::ring_type<GeometryOutput>::type,
+ IntersectionStrategy,
RobustPolicy
> collection_type;
- collection_type collection(robust_policy);
+ collection_type collection(intersection_strategy, robust_policy);
collection_type const& const_collection = collection;
bool const areal = boost::is_same
@@ -961,6 +1006,7 @@ template
typename JoinStrategy,
typename EndStrategy,
typename PointStrategy,
+ typename IntersectionStrategy,
typename RobustPolicy
>
inline void buffer_inserter(GeometryInput const& geometry_input, OutputIterator out,
@@ -969,13 +1015,14 @@ inline void buffer_inserter(GeometryInput const& geometry_input, OutputIterator
JoinStrategy const& join_strategy,
EndStrategy const& end_strategy,
PointStrategy const& point_strategy,
+ IntersectionStrategy const& intersection_strategy,
RobustPolicy const& robust_policy)
{
detail::buffer::visit_pieces_default_policy visitor;
buffer_inserter<GeometryOutput>(geometry_input, out,
distance_strategy, side_strategy, join_strategy,
end_strategy, point_strategy,
- robust_policy, visitor);
+ intersection_strategy, robust_policy, visitor);
}
#endif // DOXYGEN_NO_DETAIL