update tests/examples/demos to use the new API

GraphicsView/demo/Triangulation_2/Constrained_Delaunay_triangulation_2.cpp

@@ -961,9 +961,7 @@ MainWindow::on_actionLloyd_optimization_triggered()
   }
 
   CGAL::lloyd_optimize_mesh_2(cdt,
-      max_iteration_number = nb,
+      CGAL::parameters::number_of_iterations(nb).seeds(m_seeds));
-      seeds_begin = m_seeds.begin(),
-      seeds_end = m_seeds.end());
 
   // default cursor
   QApplication::restoreOverrideCursor();

Mesh_2/examples/Mesh_2/mesh_optimization.cpp

@@ -52,7 +52,8 @@ int main()
 
   std::cout << "Run Lloyd optimization...";
   CGAL::lloyd_optimize_mesh_2(cdt,
-    CGAL::parameters::max_iteration_number = 10);
+    CGAL::parameters::number_of_iterations(10));
+
 std::cout << " done." << std::endl;
 
   std::cout << "Number of vertices: " << cdt.number_of_vertices() << std::endl;

Mesh_2/test/Mesh_2/test_lloyd.cpp

@@ -1,3 +1,5 @@
+#define CGAL_NO_DEPRECATION_WARNINGS
+
 #include "test_dependencies.h"
 #include <CGAL/config.h>
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
@@ -55,6 +57,51 @@ struct Lloyd_tester
                     cdt.number_of_vertices() <= 640 );
 
 
+    const size_type number_of_constraints = number_of_constrained_edges(cdt);
+    const size_type number_of_vertices1 = cdt.number_of_vertices();
+
+    CGAL::Mesh_optimization_return_code rc
+      = CGAL::lloyd_optimize_mesh_2(cdt,
+              CGAL::parameters::number_of_iterations(10).
+              convergence_ratio(0.001).
+              vertex_freeze_bound(0.001).
+              seeds(seeds));
+    const size_type number_of_vertices2 = cdt.number_of_vertices();
+    std::cerr << " done (return code = "<< rc <<").\n";
+    std::cerr << "Number of vertices: " << number_of_vertices2 << "\n\n";
+
+    assert( cdt.is_valid() );
+    assert( number_of_vertices1 == number_of_vertices2 );
+    assert( number_of_constraints == number_of_constrained_edges(cdt));
+  }
+};
+
+#ifndef CGAL_NO_DEPRECATED_CODE
+struct Lloyd_tester_deprecated_API
+{
+  void operator()(CDT& cdt) const
+  {
+    std::vector<Point> seeds;
+    seeds.reserve(32);
+
+    std::cerr << "Reading fish-and-rectangle.poly...";
+    std::ifstream poly_file("fish-and-rectangle.poly");
+    CGAL::IO::read_triangle_poly_file(cdt, poly_file, std::back_inserter(seeds));
+    assert( cdt.is_valid() );
+
+    std::cerr << " done.\nNumber of vertices: " << cdt.number_of_vertices()
+              << "\nNumber of seeds: " << seeds.size() << "\n\n";
+
+    std::cerr << "Meshing the triangulation with size 0.1...";
+    CGAL::refine_Delaunay_mesh_2(cdt,
+                                 seeds.begin(), seeds.end(),
+                                 Criteria(0.125, 0.1));
+    std::cerr << " done.\nNumber of vertices: " << cdt.number_of_vertices() << "\n\n";
+    assert( cdt.is_valid() );
+    assert( 580 <= cdt.number_of_vertices() &&
+                    cdt.number_of_vertices() <= 640 );
+
+
     const size_type number_of_constraints = number_of_constrained_edges(cdt);
     const size_type number_of_vertices1 = cdt.number_of_vertices();
 
@@ -74,6 +121,7 @@ struct Lloyd_tester
     assert( number_of_constraints == number_of_constrained_edges(cdt));
   }
 };
+#endif
 
 int main()
 {
@@ -81,5 +129,12 @@ int main()
   CDT cdt;
   Lloyd_tester tester;
   tester(cdt);
+
+  #ifndef CGAL_NO_DEPRECATED_CODE
+  std::cerr << "TESTING lloyd_optimize_mesh_2 with Epick (deprecated API)...\n\n";
+  cdt = CDT();
+  Lloyd_tester_deprecated_API tester_bis;
+  tester_bis(cdt);
+  #endif
   return 0;
 }

Mesh_2/test/Mesh_2/test_mesh_opti_projection_traits.cpp

@@ -54,7 +54,7 @@ int main()
 
   std::cout << "Run Lloyd optimization...";
   CGAL::lloyd_optimize_mesh_2(cdt,
-    CGAL::parameters::max_iteration_number = 10);
+    CGAL::parameters::number_of_iterations(10));
   std::cout << " done." << std::endl;
 
   std::cout << "Number of vertices: " << cdt.number_of_vertices() << std::endl;

Polyhedron/demo/Polyhedron/Plugins/Mesh_2/Mesh_2_plugin.cpp

@@ -326,7 +326,7 @@ private:
       ltime.restart();
       std::cout << " Running lloyd_optimize_mesh_2..." << std::flush;
       CGAL::lloyd_optimize_mesh_2(cdt,
-        CGAL::parameters::max_iteration_number = nb_iter);
+        CGAL::parameters::number_of_iterations(nb_iter));
       std::cout << " done (" << ltime.elapsed() << " ms)" << std::endl;
     }