mirror of https://github.com/CGAL/cgal
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
// file: examples/Pm_with_intersections/example2.C
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#include "short_names.h"
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#include <CGAL/Cartesian.h>
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#include <CGAL/MP_Float.h>
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#include <CGAL/Quotient.h>
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#include <CGAL/Pm_default_dcel.h>
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#include <CGAL/Arr_segment_traits_2.h>
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#include <CGAL/Planar_map_2.h>
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#include <CGAL/Pm_with_intersections.h>
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typedef CGAL::Quotient<CGAL::MP_Float> NT;
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typedef CGAL::Cartesian<NT> Kernel;
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typedef CGAL::Arr_segment_traits_2<Kernel> Traits;
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typedef Traits::Point_2 Point_2;
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typedef Traits::X_monotone_curve_2 X_monotone_curve_2;
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typedef CGAL::Pm_default_dcel<Traits> Dcel;
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typedef CGAL::Planar_map_2<Dcel,Traits> Planar_map_2;
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typedef CGAL::Planar_map_with_intersections_2<Planar_map_2> Pmwx;
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typedef Pmwx::Pmwx_change_notification Pmwx_change_notification;
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class My_notification : public Pmwx_change_notification
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{
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public:
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My_notification()
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{i = 0;}
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void add_edge(const Traits::X_monotone_curve_2 &,
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Planar_map::Halfedge_handle,
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bool /* left_to_right */, bool overlap = false)
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{
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(void) overlap;
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std::cout << "add_edge" << std::endl;
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i++;
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}
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void split_edge(Planar_map::Halfedge_handle /* orig_edge */,
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Planar_map::Halfedge_handle /* new_edge */,
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const Traits::X_monotone_curve_2 &,
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const Traits::X_monotone_curve_2 &)
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{
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std::cout << "split_edge" << std::endl;
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i++;
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}
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void split_face(Planar_map::Face_handle /* orig_face */,
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Planar_map::Face_handle /* new_face */)
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{
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std::cout << "split_face" << std::endl;
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}
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void add_hole(Planar_map::Face_handle /* in_face */,
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Planar_map::Halfedge_handle /* new_hole */)
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{
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std::cout << "add_hole" << std::endl;
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}
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int i;
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};
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int main() {
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Pmwx pm;
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My_notification notif;
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//insertion of the curves
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X_monotone_curve_2 c1(Point_2(0, 1), Point_2(1, 0));
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X_monotone_curve_2 c2(Point_2(0, 0), Point_2(1, 1));
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X_monotone_curve_2 c3(Point_2(0, 1), Point_2(1, 1));
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std::cout << "inserting " << c1 << std::endl;
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pm.insert(c1, ¬if);
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std::cout << "inserting " << c2 << std::endl;
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pm.insert(c2, ¬if);
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std::cout << "inserting " << c3 << std::endl;
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pm.insert(c3, ¬if);
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std::cout << "Total number of edges " << notif.i << std::endl;
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return 0;
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}
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