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Tr_or_default/Tr

This commit is contained in:
Laurent Rineau 2025-05-19 18:49:45 +02:00
parent ae597dd2ea
commit fec07c6488
1 changed files with 11 additions and 11 deletions
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22
Constrained_triangulation_3/include/CGAL/draw_constrained_triangulation_3.h
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@ -27,15 +27,15 @@ opens a new window and draws the constrained triangulation.
A call to this function blocks the execution of the program until the drawing window is closed. This function requires `CGAL_Qt6`, and is only available if the macro `CGAL_USE_BASIC_VIEWER` is defined. A call to this function blocks the execution of the program until the drawing window is closed. This function requires `CGAL_Qt6`, and is only available if the macro `CGAL_USE_BASIC_VIEWER` is defined.
Linking with the cmake target `CGAL::CGAL_Basic_viewer` will link with `CGAL_Qt6` and add the definition `CGAL_USE_BASIC_VIEWER`. Linking with the cmake target `CGAL::CGAL_Basic_viewer` will link with `CGAL_Qt6` and add the definition `CGAL_USE_BASIC_VIEWER`.
*/ */
template <typename Traits, typename Tr_or_default> template <typename Traits, typename Tr>
void draw(const Conforming_constrained_Delaunay_triangulation_3<Traits, Tr_or_default>& ccdt, void draw(const Conforming_constrained_Delaunay_triangulation_3<Traits, Tr>& ccdt,
const char *title="Constrained 3D Triangulation Basic Viewer") const char *title="Constrained 3D Triangulation Basic Viewer")
{ {
using Tr = CGAL::cpp20::remove_cvref_t<decltype(ccdt.triangulation())>; using Tr_ = CGAL::cpp20::remove_cvref_t<decltype(ccdt.triangulation())>;
using Vertex_handle = typename Tr::Vertex_handle; using Vertex_handle = typename Tr_::Vertex_handle;
using Cell_handle = typename Tr::Cell_handle; using Cell_handle = typename Tr_::Cell_handle;
using Edge_descriptor = typename Tr::Finite_edges_iterator; using Edge_descriptor = typename Tr_::Finite_edges_iterator;
using Facet_descriptor = typename Tr::Finite_facets_iterator; using Facet_descriptor = typename Tr_::Finite_facets_iterator;
using Face_index = CGAL::cpp20::remove_cvref_t< using Face_index = CGAL::cpp20::remove_cvref_t<
decltype(std::declval<Cell_handle>()->ccdt_3_data().face_constraint_index(0))>; decltype(std::declval<Cell_handle>()->ccdt_3_data().face_constraint_index(0))>;
@ -51,15 +51,15 @@ void draw(const Conforming_constrained_Delaunay_triangulation_3<Traits, Tr_or_de
std::generate(colors.begin(), colors.end(), []() { std::generate(colors.begin(), colors.end(), []() {
return CGAL::get_random_color(CGAL::get_default_random()); return CGAL::get_random_color(CGAL::get_default_random());
}); });
CGAL::Graphics_scene_options<Tr, Vertex_handle, Edge_descriptor, Facet_descriptor> options; CGAL::Graphics_scene_options<Tr_, Vertex_handle, Edge_descriptor, Facet_descriptor> options;
options.draw_face = [](const Tr&, Facet_descriptor f) { options.draw_face = [](const Tr_&, Facet_descriptor f) {
auto [c, index] = *f; auto [c, index] = *f;
return c->ccdt_3_data().is_facet_constrained(index); return c->ccdt_3_data().is_facet_constrained(index);
}; };
options.colored_face = [](const Tr&, Facet_descriptor) { options.colored_face = [](const Tr_&, Facet_descriptor) {
return true; return true;
}; };
options.face_color = [&](const Tr&, Facet_descriptor f) { options.face_color = [&](const Tr_&, Facet_descriptor f) {
auto [c, index] = *f; auto [c, index] = *f;
return colors[c->ccdt_3_data().face_constraint_index(index)]; return colors[c->ccdt_3_data().face_constraint_index(index)];
}; };