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Diffstat (limited to 'boost/polygon/polygon_set_data.hpp')
| -rw-r--r-- | boost/polygon/polygon_set_data.hpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/boost/polygon/polygon_set_data.hpp b/boost/polygon/polygon_set_data.hpp index 3c761d34f8..9c6420decc 100644 --- a/boost/polygon/polygon_set_data.hpp +++ b/boost/polygon/polygon_set_data.hpp @@ -209,6 +209,9 @@ namespace boost { namespace polygon { return; } int wmultiplier = (winding == COUNTERCLOCKWISE) ? 1 : -1; + if (is_hole) { + wmultiplier = -wmultiplier; + } dirty_ = true; unsorted_ = true; while (vertex0 != end_vertex) { |