mirror of https://github.com/CGAL/cgal
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
#ifndef DRAW_FACEWIDTH_H
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#define DRAW_FACEWIDTH_H
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#include <CGAL/draw_linear_cell_complex.h>
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#include <CGAL/Graphics_scene_options.h>
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template<typename ALCC>
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struct Facewidth_graphics_scene_options:
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public CGAL::Graphics_scene_options<ALCC,
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typename ALCC::Dart_const_handle,
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typename ALCC::Dart_const_handle,
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typename ALCC::Dart_const_handle,
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typename ALCC::Dart_const_handle>
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{
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Facewidth_graphics_scene_options(typename ALCC::size_type amark1, typename ALCC::size_type amark2) :
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m_vertex_mark(amark1), m_face_mark(amark2)
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{
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this->colored_vertex=[this](const ALCC& alcc, typename ALCC::Dart_const_handle dh)->bool
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{ return alcc.is_marked(dh, m_vertex_mark); };
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this->vertex_color=[](const ALCC&, typename ALCC::Dart_const_handle)->CGAL::IO::Color
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{ return CGAL::IO::Color(0, 255, 0); };
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this->colored_face=[](const ALCC&, typename ALCC::Dart_const_handle)->bool
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{ return true; };
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this->face_color=[this](const ALCC& alcc, typename ALCC::Dart_const_handle dh)->CGAL::IO::Color
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{ return alcc.is_marked(dh, m_face_mark)?CGAL::IO::Color(255, 0, 0)
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:CGAL::IO::Color(211, 211, 211); };
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}
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typename ALCC::size_type m_vertex_mark, m_face_mark;
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};
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template<typename LCC>
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void draw_facewidth(const LCC& lcc,
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const std::vector<typename LCC::Dart_const_descriptor>& cycle)
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{
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typename LCC::size_type vertex_mark = lcc.get_new_mark();
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typename LCC::size_type face_mark = lcc.get_new_mark();
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for (std::size_t i=0; i<cycle.size(); ++i)
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{
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// Color the vertices
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if (!lcc.is_marked(cycle[i], vertex_mark))
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{ lcc.template mark_cell<0>(cycle[i], vertex_mark); }
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// Color the faces
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if (!lcc.is_marked(cycle[i], face_mark))
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{ lcc.template mark_cell<2>(cycle[i], face_mark); }
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}
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Facewidth_graphics_scene_options<LCC> df(vertex_mark, face_mark);
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CGAL::draw(lcc, df, "Face width");
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lcc.free_mark(vertex_mark);
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lcc.free_mark(face_mark);
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}
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#endif // DRAW_FACEWIDTH_H
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