diff options
| author | clifford <clifford@b57f626f-c46c-0410-a088-ec61d464b74c> | 2010-01-04 02:51:20 (GMT) |
|---|---|---|
| committer | clifford <clifford@b57f626f-c46c-0410-a088-ec61d464b74c> | 2010-01-04 02:51:20 (GMT) |
| commit | ac71e88d0418b96dab5643451be12168dc6f8168 (patch) | |
| tree | 719d0bcdea1875423c6ec0647ba3f986e6272974 | |
| parent | a0943d92b3b039da64ae15e77dc6899f53262270 (diff) | |
Clifford Wolf:
Progress in 2d transformation code
git-svn-id: http://svn.clifford.at/openscad/trunk@198 b57f626f-c46c-0410-a088-ec61d464b74c
| -rw-r--r-- | transform.cc | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/transform.cc b/transform.cc index a30cc9d..19cc008 100644 --- a/transform.cc +++ b/transform.cc @@ -206,12 +206,37 @@ CGAL_Nef_polyhedron TransformNode::render_cgal_nef_polyhedron() const } } - if (N.dim == 2) { + if (N.dim == 2) + { CGAL_Aff_transformation2 t( m[0], m[4], m[12], m[1], m[5], m[13], m[15]); - // FIXME - // N.p2.transform(t); + + typedef std::list<CGAL_Nef_polyhedron2::Point> point_list_t; + typedef point_list_t::iterator point_list_it; + std::list< point_list_t > pdata_point_lists; + std::list < std::pair < point_list_it, point_list_it > >pdata; + + typedef CGAL_Nef_polyhedron2::Explorer Explorer; + typedef Explorer::Face_const_iterator fci_t; + typedef Explorer::Halfedge_around_face_const_circulator heafcc_t; + Explorer E = N.p2.explorer(); + + for (fci_t fit = E.faces_begin(), fend = E.faces_end(); fit != fend; ++fit) + { + pdata_point_lists.push_back(point_list_t()); + heafcc_t fcirc(E.halfedge(fit)), fend(fcirc); + CGAL_For_all(fcirc, fend) { + if (E.is_standard(E.target(fcirc))) { + Explorer::Point ep = E.point(E.target(fcirc)); + // FIXME: Actually do the transformation + pdata_point_lists.back().push_back(ep); + } + } + pdata.push_back(std::make_pair(pdata_point_lists.back().begin(), pdata_point_lists.back().end())); + } + + N.p2 = CGAL_Nef_polyhedron2(pdata.begin(), pdata.end(), CGAL_Nef_polyhedron2::POLYGONS); } if (N.dim == 3) { CGAL_Aff_transformation t( |