Add a workaround so that one use QColor::lighter for Qt>=4.3 and QColor::light for Qt<=4.2.

Polyhedron/demo/Polyhedron/MainWindow.cpp

@@ -205,39 +205,23 @@ void MainWindow::selectionChanged()
   viewer->updateGL();
 }
 
-void MainWindow::quit()
-{
-  writeSettings();
-  close();
-}
-
 void MainWindow::readSettings()
 {
-  QSettings settings;
-  
-  settings.beginGroup("MainWindow");
-  resize(settings.value("size", QSize(400, 400)).toSize());
-  move(settings.value("pos", QPoint(0, 0)).toPoint());
-  QByteArray mainWindowState = settings.value("state").toByteArray();
-  if(!mainWindowState.isNull()) {
-    restoreState(mainWindowState);
-  }
-  settings.endGroup();
+  this->readState("MainWindow", Size|State);
 }
 
 void MainWindow::writeSettings()
 {
-  QSettings settings;
-
-  settings.beginGroup("MainWindow");
-  settings.setValue("size", size());
-  settings.setValue("pos", pos());
-  settings.setValue("state", saveState());
-  settings.endGroup();
-
+  this->writeState("MainWindow");
   std::cerr << "Write setting... done.\n";
 }
 
+void MainWindow::quit()
+{
+  writeSettings();
+  close();
+}
+
 void MainWindow::closeEvent(QCloseEvent *event)
 {
   writeSettings();

Polyhedron/demo/Polyhedron/MainWindow_remeshing.cpp

@@ -1,4 +1,4 @@
-#define CGAL_SURFACE_MESHER_VERBOSE 0
+#define CGAL_SURFACE_MESHER_VERBOSE 1
 #undef CGAL_SURFACE_MESHER_VERBOSE
 
 #include <QApplication>
@@ -20,6 +20,7 @@
 
 #include <CGAL/IO/Complex_2_in_triangulation_3_file_writer.h>
 #include <CGAL/IO/Complex_2_in_triangulation_3_polyhedron_builder.h>
+#include <CGAL/IO/Complex_2_in_triangulation_3_file_writer.h>
 
 #include <QTime>
 #include <QInputDialog>
@@ -119,7 +120,9 @@ void MainWindow::on_actionRemeshing_triggered()
     // remesh
     time.start();
     std::cout << "Remesh...";
-    CGAL::make_surface_mesh(c2t3, input, facets_criteria, CGAL::Manifold_tag());
+    CGAL::make_surface_mesh(c2t3, input, facets_criteria, CGAL::Non_manifold_tag());
+    std::ofstream out("out.off");
+    CGAL::output_surface_facets_to_off(out, c2t3);
     std::cout << "done (" << time.elapsed() << " ms, " << tr.number_of_vertices() << " vertices)" << std::endl;
 
     if(tr.number_of_vertices() > 0)

Polyhedron/demo/Polyhedron/Scene.cpp

@@ -288,6 +288,11 @@ void Scene::initializeGL()
 	       texture.GetData());
 }
 
+// workaround for Qt-4.2.
+#if QT_VERSION < 0x040300
+#  define lighter light
+#endif
+
 void 
 Scene::draw(bool with_names)
 {
@@ -334,7 +339,7 @@ Scene::draw(bool with_names)
 	}
 
       }
-      if(viewEdges)
+      if(viewEdges || entry.rendering_mode == Wireframe)
       {
 	::glDisable(GL_LIGHTING);
 	::glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
@@ -360,6 +365,9 @@ Scene::draw(bool with_names)
   }
 }
 
+// workaround for Qt-4.2 (see below)
+#undef lighter
+
 void
 Scene::draw(Polyhedron_entry& entry)
 {