Merge pull request #154 from maxGimeno/CGAL-Qt5_support-GF

Qt5 support, GSoC 2014

https://cgal.geometryfactory.com/CGAL/Members/wiki/Features/Small_Features/Qt5_support

In this commit, I have fixed the permissions of the file:
	Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/data/points

In this commit, I have also modified:
	Installation/changes.html

.gitignore

@@ -189,12 +189,12 @@ GraphicsView/demo/Triangulation_2/Makefile
 GraphicsView/demo/Triangulation_2/Regular_triangulation_2
 GraphicsView/demo/Triangulation_2/qrc_*.cxx
 GraphicsView/demo/Triangulation_2/ui_*.h
-GraphicsView/src/CGAL_Qt4/*.dll
-GraphicsView/src/CGAL_Qt4/*.lib
-GraphicsView/src/CGAL_Qt4/*.so
-GraphicsView/src/CGAL_Qt4/Makefile
-GraphicsView/src/CGAL_Qt4/moc_*.cxx
-GraphicsView/src/CGAL_Qt4/qrc_*.cxx
+GraphicsView/src/CGAL_Qt5/*.dll
+GraphicsView/src/CGAL_Qt5/*.lib
+GraphicsView/src/CGAL_Qt5/*.so
+GraphicsView/src/CGAL_Qt5/Makefile
+GraphicsView/src/CGAL_Qt5/moc_*.cxx
+GraphicsView/src/CGAL_Qt5/qrc_*.cxx
 HalfedgeDS/test/HalfedgeDS/CMakeLists.txt
 HalfedgeDS/test/HalfedgeDS/cgal_test_with_cmake
 HalfedgeDS/test/HalfedgeDS/test_hds
@@ -826,7 +826,7 @@ Surface_mesher/demo/Surface_mesher/.*.deps
 Surface_mesher/demo/Surface_mesher/.qglviewer.xml
 Surface_mesher/demo/Surface_mesher/Makefile
 Surface_mesher/demo/Surface_mesher/Surface_mesher
-Surface_mesher/demo/Surface_mesher/Surface_mesher_Qt4_Demo
+Surface_mesher/demo/Surface_mesher/Surface_mesher_Qt5_Demo
 Surface_mesher/demo/Surface_mesher/VTK/Makefile
 Surface_mesher/demo/Surface_mesher/VTK/mesh_a_3D_image
 Surface_mesher/demo/Surface_mesher/VTK/mesh_a_VTK_3D_image
@@ -841,7 +841,7 @@ Surface_mesher/demo/Surface_mesher/out*.off
 Surface_mesher/demo/Surface_mesher/polyhedron_remesher
 Surface_mesher/demo/Surface_mesher/polyhedron_remesher_with_edges
 Surface_mesher/demo/Surface_mesher/qrc_*.c*
-Surface_mesher/demo/Surface_mesher/qt4-demo
+Surface_mesher/demo/Surface_mesher/qt5-demo
 Surface_mesher/demo/Surface_mesher/ui_*.h
 Surface_mesher/doxygen
 Surface_mesher/examples/Surface_mesher/.*.deps

AABB_tree/demo/AABB_tree/AABB_demo.cpp

@@ -26,6 +26,8 @@
 #include "MainWindow.h"
 #include <QApplication>
 #include <CGAL/Qt/resources.h>
+#include <QMimeData>
+
 
 int main(int argc, char **argv)
 {
@@ -33,10 +35,11 @@ int main(int argc, char **argv)
   app.setOrganizationDomain("inria.fr");
   app.setOrganizationName("INRIA");
   app.setApplicationName("AABB tree demo");
+  //for windows
+  app.setAttribute(Qt::AA_UseDesktopOpenGL);
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGALQt (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

AABB_tree/demo/AABB_tree/CMakeLists.txt

@@ -2,61 +2,57 @@
 
 project( AABB_demo )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+# Find includes in corresponding build directories
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+# Instruct CMake to run moc automatically when needed.
+set(CMAKE_AUTOMOC ON)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 # Include this package's headers first
 include_directories( BEFORE ./ ./include ../../include )
-
-# Find CGAL and CGAL Qt4
-find_package(CGAL COMPONENTS Qt4)
+# Find CGAL and CGAL Qt5
+find_package(CGAL COMPONENTS Qt5 )
 include( ${CGAL_USE_FILE} )
 
-# Find Qt4 itself
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-find_package(Qt4)
+# Find Qt5 itself
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Gui Svg)
 
 # Find OpenGL
 find_package(OpenGL)
 
 # Find QGLViewer
-if(QT4_FOUND)
-  include(${QT_USE_FILE})
+if(Qt5_FOUND)
   find_package(QGLViewer )
-endif(QT4_FOUND)
+endif(Qt5_FOUND)
 
-if(CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)
+if(CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)
 
   include_directories ( ${QGLVIEWER_INCLUDE_DIR} )
 
-  qt4_wrap_ui( UI_FILES MainWindow.ui )
+  qt5_wrap_ui( UI_FILES MainWindow.ui )
 
   include(AddFileDependencies)
 
-  qt4_generate_moc( "MainWindow.h" "${CMAKE_CURRENT_BINARY_DIR}/MainWindow_moc.cpp" )
+  qt5_generate_moc( "MainWindow.h" "${CMAKE_CURRENT_BINARY_DIR}/MainWindow_moc.cpp" )
   add_file_dependencies( MainWindow_moc.cpp "${CMAKE_CURRENT_SOURCE_DIR}/MainWindow.h" )
 
-  qt4_generate_moc( "Viewer.h" "${CMAKE_CURRENT_BINARY_DIR}/Viewer_moc.cpp" )
+  qt5_generate_moc( "Viewer.h" "${CMAKE_CURRENT_BINARY_DIR}/Viewer_moc.cpp" )
   add_file_dependencies( Viewer_moc.cpp "${CMAKE_CURRENT_SOURCE_DIR}/Viewer.h" )
 
-  qt4_generate_moc( "Scene.h" "${CMAKE_CURRENT_BINARY_DIR}/Scene_moc.cpp" )
+  qt5_generate_moc( "Scene.h" "${CMAKE_CURRENT_BINARY_DIR}/Scene_moc.cpp" )
   add_file_dependencies( Scene_moc.cpp "${CMAKE_CURRENT_SOURCE_DIR}/Scene.h" )
 
-  qt4_add_resources ( RESOURCE_FILES AABB_demo.qrc )
+  qt5_add_resources ( RESOURCE_FILES AABB_demo.qrc )
 
   add_file_dependencies( AABB_demo.cpp "${CMAKE_CURRENT_BINARY_DIR}/MainWindow_moc.cpp"
                                        "${CMAKE_CURRENT_BINARY_DIR}/Viewer_moc.cpp"
                                        "${CMAKE_CURRENT_BINARY_DIR}/Scene_moc.cpp" )
 
   add_executable  ( AABB_demo AABB_demo.cpp ${UI_FILES} ${RESOURCE_FILES} )
-
+  qt5_use_modules(AABB_demo Gui OpenGL Xml Script Svg )
   # Link with Qt libraries
   target_link_libraries( AABB_demo ${QT_LIBRARIES} )
 
@@ -69,7 +65,7 @@ if(CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FO
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS AABB_demo )
 
 
-else (CGAL_FOUND AND CGAL_CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)
+else (CGAL_FOUND AND CGAL_CGAL_Qt5_FOUND AND Qt5_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)
 
   set(AABB_MISSING_DEPS "")
 
@@ -77,12 +73,12 @@ else (CGAL_FOUND AND CGAL_CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLV
     set(AABB_MISSING_DEPS "the CGAL library, ${AABB_MISSING_DEPS}")
   endif()
 
-  if(NOT CGAL_Qt4_FOUND)
-    set(AABB_MISSING_DEPS "the CGAL Qt4 library, ${AABB_MISSING_DEPS}")
+  if(NOT CGAL_Qt5_FOUND)
+    set(AABB_MISSING_DEPS "the CGAL Qt5 library, ${AABB_MISSING_DEPS}")
   endif()
 
-  if(NOT QT4_FOUND)
-    set(AABB_MISSING_DEPS "Qt4, ${AABB_MISSING_DEPS}")
+  if(NOT Qt5_FOUND)
+    set(AABB_MISSING_DEPS "Qt5, ${AABB_MISSING_DEPS}")
   endif()
 
   if(NOT OPENGL_FOUND)
@@ -95,4 +91,4 @@ else (CGAL_FOUND AND CGAL_CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLV
 
   message(STATUS "NOTICE: This demo requires ${AABB_MISSING_DEPS}and will not be compiled.")
 
-endif (CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)
+endif (CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND)

AABB_tree/demo/AABB_tree/MainWindow.cpp

@@ -27,11 +27,10 @@ MainWindow::MainWindow(QWidget* parent)
 
 	// accepts drop events
 	setAcceptDrops(true);
-
 	// setups scene
-	m_pScene = new Scene;
+        m_pScene = new Scene();
 	m_pViewer->setScene(m_pScene);
-  m_pViewer->setManipulatedFrame(m_pScene->manipulatedFrame());
+        m_pViewer->setManipulatedFrame(m_pScene->manipulatedFrame());
 
 	// connects actionQuit (Ctrl+Q) and qApp->quit()
 	connect(ui->actionQuit, SIGNAL(triggered()),
@@ -154,9 +153,11 @@ void MainWindow::setAddKeyFrameKeyboardModifiers(::Qt::KeyboardModifiers m)
 void MainWindow::on_actionInside_points_triggered()
 {
 	bool ok;
+	
 	const unsigned int nb_points = (unsigned)
-		QInputDialog::getInteger(NULL, "#Points",
+		QInputDialog::getInt(NULL, "#Points",
 		"#Points:",10000,1,100000000,9,&ok);
+
 	if(!ok)
 		return;
 
@@ -169,9 +170,11 @@ void MainWindow::on_actionInside_points_triggered()
 void MainWindow::on_actionPoints_in_interval_triggered()
 {
 	bool ok;
+	
 	const unsigned int nb_points = (unsigned)
-		QInputDialog::getInteger(NULL, "#Points",
+                QInputDialog::getInt(NULL, "#Points",
 		"#Points:",10000,1,100000000,9,&ok);
+
 	if(!ok)
 		return;
 
@@ -195,9 +198,11 @@ void MainWindow::on_actionPoints_in_interval_triggered()
 void MainWindow::on_actionBoundary_segments_triggered()
 {
 	bool ok;
+	
 	const unsigned int nb_slices = (unsigned)
-		QInputDialog::getInteger(NULL, "#Slices",
+		QInputDialog::getInt(NULL, "#Slices",
 		"Slices:",100,1,1000000,8,&ok);
+
 	if(!ok)
 		return;
 
@@ -210,9 +215,11 @@ void MainWindow::on_actionBoundary_segments_triggered()
 void MainWindow::on_actionBoundary_points_triggered()
 {
 	bool ok;
+
 	const unsigned int nb_points = (unsigned)
-		QInputDialog::getInteger(NULL, "#Points",
+		QInputDialog::getInt(NULL, "#Points",
 		"Points:",1000,1,10000000,8,&ok);
+
 	if(!ok)
 		return;
 
@@ -225,9 +232,11 @@ void MainWindow::on_actionBoundary_points_triggered()
 void MainWindow::on_actionEdge_points_triggered()
 {
 	bool ok;
+
 	const unsigned int nb_points = (unsigned)
-		QInputDialog::getInteger(NULL, "#Points",
+		QInputDialog::getInt(NULL, "#Points",
 		"Points:",1000,1,10000000,8,&ok);
+
 	if(!ok)
 		return;
 

AABB_tree/demo/AABB_tree/Scene.h

@@ -18,7 +18,39 @@
 #include <QtCore/qglobal.h>
 #include <QGLViewer/manipulatedFrame.h>
 #include <QGLViewer/qglviewer.h>
+#include <QOpenGLFunctions_3_3_Core>
+#include <QOpenGLVertexArrayObject>
+#include <QOpenGLBuffer>
+#include <QOpenGLShaderProgram>
+#include <QOpenGLTexture>
 
+class Texture{
+private:
+     int Width;
+     int Height;
+     int size;
+    GLubyte *data;
+public:
+    Texture(int w, int h)
+    {
+        Width = w;
+        Height = h;
+        size = 3*Height*Width;
+        data = new GLubyte[Height*Width*3];
+    }
+    int getWidth() const {return Width;}
+    int getHeight() const {return Height;}
+    int getSize() const {return size;}
+    void setData(int i, int j, int r, int g, int b){
+        data[3*(Width*j+i) + 0] = r;
+        data[3*(Width*j+i) + 1] = g;
+        data[3*(Width*j+i) + 2] = b;
+    }
+
+    GLubyte* getData(){return data; }
+
+};
+class Viewer;
 class Scene : public QObject
 {
     Q_OBJECT
@@ -45,13 +77,16 @@ private:
     };
   
 public:
-    void draw(); 
+    QGLContext* context;
+    void draw(QGLViewer*);
     void update_bbox();
     Bbox bbox() { return m_bbox; }
     ManipulatedFrame* manipulatedFrame() const { return m_frame; }
+    void initGL(Viewer *viewer);
 
 private:
     // member data
+    QOpenGLFunctions_3_3_Core *gl;
     Bbox m_bbox;
     Polyhedron *m_pPolyhedron;
     std::list<Point> m_points;
@@ -77,6 +112,7 @@ private:
     Edge_tree m_edge_tree;
     
     Cut_planes_types m_cut_plane;
+    bool are_buffers_initialized;
   
 private:
     // utility functions
@@ -94,20 +130,55 @@ private:
     void build_edge_tree();
     void clear_internal_data();
     void update_grid_size();
-    
+
     template <typename Tree>
     void compute_distance_function(const Tree& tree);
     
     template <typename Tree>
     void sign_distance_function(const Tree& tree);
 
+    //Shaders elements
+
+    int poly_vertexLocation;
+    int tex_Location;
+    int points_vertexLocation;
+    int lines_vertexLocation;
+    int mvpLocation;
+    int tex_mvpLocation;
+    int fLocation;
+    int tex_fLocation;
+    int colorLocation;
+
+
+
+    std::vector<float> pos_points;
+    std::vector<float> pos_grid;
+    std::vector<float> pos_lines;
+    std::vector<float> pos_poly;
+    std::vector<float> pos_plane;
+    std::vector<float> pos_cut_segments;
+    std::vector<float> tex_map;
+    GLuint textureId;
+
+    Texture *texture;
+    GLint sampler_location;
+    QOpenGLBuffer buffers[10];
+    QOpenGLVertexArrayObject vao[10];
+    QOpenGLShaderProgram tex_rendering_program;
+    QOpenGLShaderProgram rendering_program;
+    void initialize_buffers();
+    void compute_elements(int mode);
+    void attrib_buffers(QGLViewer*);
+    void compile_shaders();
+    void compute_texture(int, int, Color_ramp, Color_ramp);
+
 public:
     // file menu
     int open(QString filename);
 
     // edit menu
-    void clear_points() { m_points.clear(); }
-    void clear_segments() { m_segments.clear(); }
+    void clear_points() { m_points.clear(); changed(); }
+    void clear_segments() { m_segments.clear(); changed(); }
     void clear_cutting_plane();
     
     // fast distance setter
@@ -174,14 +245,6 @@ public:
     void bench_closest_point_and_primitive(Facet_tree& tree,const double duration);
     void bench_distance(Facet_tree& tree,const int function,const double duration);
 
-    // drawing
-    void draw_points();
-    void draw_segments();
-    void draw_polyhedron();
-    void draw_distance_function(const Color_ramp& ramp_pos,
-                                const Color_ramp& ramp_neg) const;
-    void draw_cut_segment_plane() const;
-  
     // cutting plane activation/deactivation
     void activate_cutting_plane();
     void deactivate_cutting_plane();
@@ -189,7 +252,7 @@ public:
 public slots:
     // cutting plane
     void cutting_plane();
-  
+    void changed();
 }; // end class Scene
 
 #endif // SCENE_H

AABB_tree/demo/AABB_tree/Viewer.cpp

@@ -1,13 +1,14 @@
 #include "Viewer.h"
 #include "Scene.h"
 #include <QMouseEvent>
+#include <QGLFunctions>
+#include <CGAL/Qt/CreateOpenGLContext.h>
 
 Viewer::Viewer(QWidget* parent)
-  : QGLViewer(parent),
+  : QGLViewer(CGAL::Qt::createOpenGLContext(),parent),
     m_pScene(NULL),
     m_custom_mouse(false)
 {
-  setBackgroundColor(::Qt::white);
 }
 
 void Viewer::setScene(Scene* pScene)
@@ -20,14 +21,16 @@ void Viewer::draw()
   QGLViewer::draw();
   if(m_pScene != NULL)
   {
-	::glClearColor(1.0f,1.0f,1.0f,0.0f);
-	m_pScene->draw();
+      m_pScene->draw(this);
   }
+
 }
 
 void Viewer::initializeGL()
 {
   QGLViewer::initializeGL();
+  setBackgroundColor(::Qt::white);
+  m_pScene->initGL(this);
 }
 
 void Viewer::mousePressEvent(QMouseEvent* e)
@@ -60,4 +63,3 @@ void Viewer::mouseReleaseEvent(QMouseEvent* e)
   QGLViewer::mouseReleaseEvent(e);
 }
 
-

AABB_tree/demo/AABB_tree/Viewer.h

@@ -3,11 +3,11 @@
 
 #include <QGLViewer/qglviewer.h>
 
+
 // forward declarations
 class QWidget;
 class Scene;
-
-class Viewer : public QGLViewer {
+class Viewer : public QGLViewer{
 
   Q_OBJECT
 

AABB_tree/demo/AABB_tree/render_edges.h

@@ -1,30 +0,0 @@
-#ifndef _GL_RENDER_EDGES_
-#define _GL_RENDER_EDGES_
-
-#include <CGAL/gl.h>
-
-template <class Polyhedron>
-void gl_render_edges(Polyhedron& polyhedron)
-{
-  typedef typename Polyhedron::Traits Kernel;
-  typedef typename Kernel::Point_3 Point;
-
-  ::glBegin(GL_LINES);
-  typename Polyhedron::Edge_iterator he;
-  for(he = polyhedron.edges_begin();
-      he != polyhedron.edges_end();
-      he++)
-  {
-    const Point& a = he->vertex()->point();
-    const Point& b = he->opposite()->vertex()->point();
-    ::glVertex3d(a.x(),a.y(),a.z());
-    ::glVertex3d(b.x(),b.y(),b.z());
-  }
-  ::glEnd();
-} 
-
-#endif // _GL_RENDER_EDGES_
-
-
-
-

AABB_tree/include/CGAL/internal/AABB_tree/AABB_drawing_traits.h

@@ -23,12 +23,15 @@
 
 #include <CGAL/Bbox_3.h>
 #include <CGAL/gl.h>
+#include <vector>
 
 namespace CGAL {
 
 template<typename Primitive, typename Node>
 struct AABB_drawing_traits
 {
+  std::vector<float> *v_edges;
+
   typedef CGAL::Bbox_3 Bbox;
   bool go_further() { return true; }
 
@@ -45,7 +48,7 @@ struct AABB_drawing_traits
   }
 
   // draw bbox
-  static void gl_draw(const Bbox& bb)
+  void gl_draw(const Bbox& bb)
   {
     ::glBegin(GL_LINES);
     gl_draw_edge(bb.xmin(), bb.ymin(), bb.zmin(),
@@ -79,11 +82,16 @@ struct AABB_drawing_traits
     ::glEnd();
   }
 
-  static void gl_draw_edge(double px, double py, double pz,
+  void gl_draw_edge(double px, double py, double pz,
                            double qx, double qy, double qz)
   {
-    ::glVertex3d(px,py,pz);
-    ::glVertex3d(qx,qy,qz);
+      v_edges->push_back((float)px);
+      v_edges->push_back((float)py);
+      v_edges->push_back((float)pz);
+
+      v_edges->push_back((float)qx);
+      v_edges->push_back((float)qy);
+      v_edges->push_back((float)qz);
   }
 }; // AABB_drawing_traits
 

Algebraic_kernel_d/examples/Algebraic_kernel_d/CMakeLists.txt

@@ -4,12 +4,8 @@
 
 project( Algebraic_kernel_d_test )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 find_package(CGAL QUIET COMPONENTS Core MPFI)
 

Algebraic_kernel_d/test/Algebraic_kernel_d/CMakeLists.txt

@@ -3,12 +3,8 @@
 
 project( Algebraic_kernel_d_test )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 # CGAL and its components
 find_package( CGAL QUIET COMPONENTS Core RS3)
@@ -26,7 +22,7 @@ include( ${CGAL_USE_FILE} )
 include( CGAL_CreateSingleSourceCGALProgram )
 
 # Boost and its components
-find_package( Boost REQUIRED )
+find_package( Boost )
 
 if ( NOT Boost_FOUND )
 

Alpha_shapes_2/demo/Alpha_shapes_2/qt3/CMakeLists.txt

@@ -9,7 +9,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND QT3_FOUND AND CGAL_Qt3_FOUND)

Alpha_shapes_3/demo/Alpha_shapes_3/Alpha_shape_3.cpp

@@ -13,10 +13,13 @@ int main(int argc, char** argv)
   application.setOrganizationDomain("geometryfactory.com");
   application.setOrganizationName("GeometryFactory");
   application.setApplicationName("Alpha Shape Reconstruction");
+  //for Windows
+  application.setAttribute(Qt::AA_UseDesktopOpenGL);
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGALQt (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Alpha_shape_3);
   
   MainWindow mw;

Alpha_shapes_3/demo/Alpha_shapes_3/CMakeLists.txt

@@ -2,45 +2,40 @@
 # This is the CMake script for compiling a CGAL application.
 
 project (Alpha_shape_3)
-
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+# Find includes in corresponding build directories
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+# Instruct CMake to run moc automatically when needed.
+set(CMAKE_AUTOMOC ON)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL  COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 find_package(OpenGL)
 find_package(QGLViewer)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
 
   add_definitions(-DQT_NO_KEYWORDS)
 
-  include(${QT_USE_FILE})
+ # include(${QT_USE_FILE})
 
   include_directories (${QGLVIEWER_INCLUDE_DIR})
   include_directories (BEFORE ../../include ./ )
 
   # ui file, created wih Qt Designer
-  qt4_wrap_ui( uis MainWindow.ui )
+  qt5_wrap_ui( uis MainWindow.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( RESOURCE_FILES ./Alpha_shape_3.qrc )
-
-  qt4_automoc( MainWindow.cpp Viewer.cpp)
+  qt5_add_resources ( RESOURCE_FILES ./Alpha_shape_3.qrc )
 
   add_executable  ( Alpha_shape_3 Alpha_shape_3.cpp MainWindow.cpp Viewer.cpp ${uis}  ${RESOURCE_FILES} )
-
+  qt5_use_modules(Alpha_shape_3 Xml Script OpenGL Svg)
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Alpha_shape_3 )
 
   target_link_libraries( Alpha_shape_3 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES})
@@ -49,6 +44,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt5, and will not be compiled.")
 
 endif()

Alpha_shapes_3/demo/Alpha_shapes_3/MainWindow.cpp

@@ -74,6 +74,7 @@ MainWindow::alphaChanged(int i)
   } else {
     scene.alpha_shape.set_alpha(0);
   }
+  viewer->alphaChanged();  
   Q_EMIT(alphaChanged());
 }
 
@@ -103,6 +104,7 @@ MainWindow::open(QString fileName)
 
   this->addToRecentFiles(fileName);
   QApplication::restoreOverrideCursor();
+  viewer->changed();
   Q_EMIT(sceneChanged());
 }
 

Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.cpp

@@ -2,8 +2,268 @@
 #include <vector>
 #include <CGAL/bounding_box.h>
 #include <QGLViewer/vec.h>
+#include "CGAL/Qt/CreateOpenGLContext.h"
+
+Viewer::Viewer(QWidget* parent)
+  : QGLViewer(CGAL::Qt::createOpenGLContext(),parent)
+{
+  are_buffers_initialized = false;
+}
 
 
+void Viewer::compile_shaders()
+{
+    initializeOpenGLFunctions();
+    if(! buffers[0].create() || !buffers[1].create() || !buffers[2].create()  )
+    {
+        std::cerr<<"VBO Creation FAILED"<<std::endl;
+    }
+
+    if(!vao[0].create() || !vao[1].create() )
+    {
+        std::cerr<<"VAO Creation FAILED"<<std::endl;
+    }
+
+    //Facets
+
+    //Vertex source code
+    const char vertex_source[] =
+    {
+         "#version 330 \n"
+        "in highp vec4 vertex;\n"
+        "in highp vec3 normal;\n"
+
+        "uniform highp mat4 mvp_matrix;\n"
+        "uniform highp mat4 mv_matrix; \n"
+        "out highp vec4 fP; \n"
+        "out highp vec3 fN; \n"
+        "void main(void)\n"
+        "{\n"
+        "   fP = mv_matrix * vertex; \n"
+        "   fN = mat3(mv_matrix)* normal; \n"
+        "   gl_Position = mvp_matrix * vertex;\n"
+        "}"
+    };
+    //Vertex source code
+    const char fragment_source[] =
+    {
+        "#version 330 \n"
+        "in highp vec4 fP; \n"
+        "in highp vec3 fN; \n"
+        "uniform highp vec4 color; \n"
+        "uniform vec4 light_pos;  \n"
+        "uniform vec4 light_diff; \n"
+        "uniform vec4 light_spec; \n"
+        "uniform vec4 light_amb;  \n"
+        "uniform float spec_power ; \n"
+
+        "void main(void) { \n"
+
+        "   vec3 L = light_pos.xyz - fP.xyz; \n"
+        "   vec3 V = -fP.xyz; \n"
+
+        "   vec3 N = normalize(fN); \n"
+        "   L = normalize(L); \n"
+        "   V = normalize(V); \n"
+
+        "   vec3 R = reflect(-L, N); \n"
+        "   vec4 diffuse = abs(dot(N,L)) * light_diff * color; \n"
+        "   vec4 specular = pow(max(dot(R,V), 0.0), spec_power) * light_spec; \n"
+
+        "gl_FragColor = light_amb*color + diffuse + specular ; \n"
+        "} \n"
+        "\n"
+    };
+QOpenGLShader *vertex_shader = new QOpenGLShader(QOpenGLShader::Vertex);
+if(!vertex_shader->compileSourceCode(vertex_source))
+{
+    std::cerr<<"Compiling vertex source FAILED"<<std::endl;
+}
+
+QOpenGLShader *fragment_shader= new QOpenGLShader(QOpenGLShader::Fragment);
+if(!fragment_shader->compileSourceCode(fragment_source))
+{
+    std::cerr<<"Compiling fragmentsource FAILED"<<std::endl;
+}
+
+if(!rendering_program.addShader(vertex_shader))
+{
+    std::cerr<<"adding vertex shader FAILED"<<std::endl;
+}
+if(!rendering_program.addShader(fragment_shader))
+{
+    std::cerr<<"adding fragment shader FAILED"<<std::endl;
+}
+if(!rendering_program.link())
+{
+    std::cerr<<"linking Program FAILED"<<std::endl;
+}
+rendering_program.bind();
+
+//Points
+
+//Vertex source code
+const char vertex_source_points[] =
+{
+     "#version 330 \n"
+    "in highp vec4 vertex;\n"
+
+    "uniform highp mat4 mvp_matrix;\n"
+    "void main(void)\n"
+    "{\n"
+    "   gl_Position = mvp_matrix * vertex;\n"
+    "}"
+};
+//Vertex source code
+const char fragment_source_points[] =
+{
+    "#version 330 \n"
+    "uniform highp vec4 color; \n"
+
+    "void main(void) { \n"
+    "gl_FragColor = color; \n"
+    "} \n"
+    "\n"
+};
+vertex_shader = new QOpenGLShader(QOpenGLShader::Vertex);
+if(!vertex_shader->compileSourceCode(vertex_source_points))
+{
+std::cerr<<"Compiling vertex source FAILED"<<std::endl;
+}
+
+fragment_shader= new QOpenGLShader(QOpenGLShader::Fragment);
+if(!fragment_shader->compileSourceCode(fragment_source_points))
+{
+std::cerr<<"Compiling fragmentsource FAILED"<<std::endl;
+}
+
+if(!rendering_program_points.addShader(vertex_shader))
+{
+std::cerr<<"adding vertex shader FAILED"<<std::endl;
+}
+if(!rendering_program_points.addShader(fragment_shader))
+{
+std::cerr<<"adding fragment shader FAILED"<<std::endl;
+}
+if(!rendering_program_points.link())
+{
+std::cerr<<"linking Program FAILED"<<std::endl;
+}
+rendering_program_points.bind();
+
+
+}
+
+void Viewer::initialize_buffers()
+{
+
+    vao[0].bind();
+    buffers[0].bind();
+    buffers[0].allocate(pos_poly.data(),
+                        static_cast<int>(pos_poly.size()*sizeof(float)));
+    poly_vertexLocation = rendering_program.attributeLocation("vertex");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(poly_vertexLocation);
+    rendering_program.setAttributeBuffer(poly_vertexLocation,GL_FLOAT,0,3);
+    buffers[0].release();
+
+    buffers[1].bind();
+    buffers[1].allocate(normals.data(), 
+                        static_cast<int>(normals.size()*sizeof(float)));
+    normalsLocation = rendering_program.attributeLocation("normal");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(normalsLocation);
+    rendering_program.setAttributeBuffer(normalsLocation,GL_FLOAT,0,3);
+    buffers[1].release();
+
+
+    rendering_program.release();
+    vao[0].release();
+
+    vao[1].bind();
+    buffers[2].bind();
+    buffers[2].allocate(pos_points.data(),
+                        static_cast<int>(pos_points.size()*sizeof(float)));
+    points_vertexLocation = rendering_program_points.attributeLocation("vertex");
+    rendering_program_points.bind();
+    rendering_program_points.enableAttributeArray(points_vertexLocation);
+    rendering_program_points.setAttributeBuffer(points_vertexLocation,GL_FLOAT,0,3);
+    buffers[2].release();
+
+
+    rendering_program_points.release();
+    vao[0].release();
+
+    are_buffers_initialized = true;
+}
+
+
+void Viewer::attrib_buffers(QGLViewer* viewer)
+{
+    QMatrix4x4 mvpMatrix;
+    QMatrix4x4 mvMatrix;
+    double mat[16];
+    viewer->camera()->getModelViewProjectionMatrix(mat);
+    for(int i=0; i < 16; i++)
+    {
+        mvpMatrix.data()[i] = (float)mat[i];
+    }
+    viewer->camera()->getModelViewMatrix(mat);
+    for(int i=0; i < 16; i++)
+    {
+        mvMatrix.data()[i] = (float)mat[i];
+    }
+    // define material
+     QVector4D	ambient(0.25f, 0.20725f, 0.20725f, 0.922f);
+     QVector4D	diffuse( 1.0f,
+                            0.829f,
+                            0.829f,
+                            0.922f );
+
+    QVector4D	specular(  0.6f,
+                            0.6f,
+                            0.6f,
+                            1.0f );
+
+    QVector4D	position(0.0f,0.0f,1.0f,1.0f );
+     GLfloat shininess =  11.264f;
+
+
+    rendering_program.bind();
+    mvpLocation = rendering_program.uniformLocation("mvp_matrix");
+    mvLocation = rendering_program.uniformLocation("mv_matrix");
+    colorLocation = rendering_program.uniformLocation("color");
+    lightLocation[0] = rendering_program.uniformLocation("light_pos");
+    lightLocation[1] = rendering_program.uniformLocation("light_diff");
+    lightLocation[2] = rendering_program.uniformLocation("light_spec");
+    lightLocation[3] = rendering_program.uniformLocation("light_amb");
+    lightLocation[4] = rendering_program.uniformLocation("spec_power");
+
+    rendering_program.setUniformValue(lightLocation[0], position);
+    rendering_program.setUniformValue(lightLocation[1], diffuse);
+    rendering_program.setUniformValue(lightLocation[2], specular);
+    rendering_program.setUniformValue(lightLocation[3], ambient);
+    rendering_program.setUniformValue(lightLocation[4], shininess);
+    rendering_program.setUniformValue(mvpLocation, mvpMatrix);
+    rendering_program.setUniformValue(mvLocation, mvMatrix);
+
+
+    rendering_program.release();
+
+    rendering_program_points.bind();
+
+    mvpLocation_points = rendering_program_points.uniformLocation("mvp_matrix");
+    colorLocation_points = rendering_program_points.uniformLocation("color");
+    rendering_program_points.setUniformValue(mvpLocation_points, mvpMatrix);
+
+    rendering_program_points.release();
+}
+
+void Viewer::initializeGL()
+{
+  QGLViewer::initializeGL();
+  compile_shaders();
+}
 
 
 void
@@ -16,123 +276,114 @@ Viewer::sceneChanged()
 				      qglviewer::Vec(bb.xmax(),
 						     bb.ymax(),
 						     bb.zmax()));
-    
+
   this->showEntireScene();
+
 }
 
+void Viewer::compute_elements()
+{
+
+    normals.resize(0);
+    pos_points.resize(0);
+    pos_poly.resize(0);
+    for(std::list<Point_3>::iterator it = scene->points.begin();
+        it != scene->points.end();
+        ++it){
+        pos_points.push_back(it->x()); pos_points.push_back(it->y()); pos_points.push_back(it->z());
+    }
+
+    std::list<Facet> facets;
+    scene->alpha_shape.get_alpha_shape_facets(std::back_inserter(facets), Alpha_shape_3::REGULAR);
+
+    for(std::list<Facet>::iterator fit = facets.begin();
+        fit != facets.end();
+        ++fit) {
+      const Cell_handle& ch = fit->first;
+      const int index = fit->second;
+
+      //const Vector_3& n = ch->normal(index); // must be unit vector
+
+      const Point_3& a = ch->vertex((index+1)&3)->point();
+      const Point_3& b = ch->vertex((index+2)&3)->point();
+      const Point_3& c = ch->vertex((index+3)&3)->point();
+
+      Vector_3 v = CGAL::unit_normal(a,b,c);
+
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      pos_poly.push_back(a.x()); pos_poly.push_back(a.y()); pos_poly.push_back(a.z());
+      pos_poly.push_back(b.x()); pos_poly.push_back(b.y()); pos_poly.push_back(b.z());
+      pos_poly.push_back(c.x()); pos_poly.push_back(c.y()); pos_poly.push_back(c.z());
+
+    }
+
+
+}
 
 void
 Viewer::draw()
 {
-
- // define material
-  float	ambient[]  =   { 0.25f,
-                         0.20725f,
-                         0.20725f,
-                         0.922f };
-  float	diffuse[]  =   { 1.0f,
-                         0.829f,
-                         0.829f,
-                         0.922f };
-
-  float	specular[]  = {  0.296648f,
-                         0.296648f,
-                         0.296648f,
-                         0.522f };
-
-  float	emission[]  = {  0.3f,
-                         0.3f,
-                         0.3f,
-                         1.0f };
-  float shininess[] = {  11.264f };
-
-  // apply material
-  ::glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT,   ambient);
-  ::glMaterialfv( GL_FRONT_AND_BACK, GL_DIFFUSE,   diffuse);
-  ::glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR,  specular);
-  ::glMaterialfv( GL_FRONT_AND_BACK, GL_SHININESS, shininess);
-  ::glMaterialfv( GL_FRONT_AND_BACK, GL_EMISSION,  emission);
-
-  // anti-aliasing (if the OpenGL driver permits that)
-  ::glEnable(GL_LINE_SMOOTH);
-
-  ::glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); 
-  // draw surface mesh
-  bool m_view_surface = true;
-  bool draw_triangles_edges = true;
-
-  if(m_view_surface)
-  {
-    ::glEnable(GL_LIGHTING);
-    ::glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
-    ::glColor3f(0.2f, 0.2f, 1.f);
-    ::glEnable(GL_POLYGON_OFFSET_FILL);
-    ::glPolygonOffset(3.0f,-3.0f);
-    gl_draw_surface();
-
-    if(draw_triangles_edges)
-    {
-      ::glDisable(GL_LIGHTING);
-      ::glLineWidth(1.);
-      ::glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
-      ::glColor3ub(0,0,0);
-      ::glDisable(GL_POLYGON_OFFSET_FILL);
-      gl_draw_surface();
-    }
-  }
+    if(!are_buffers_initialized)
+        initialize_buffers();
+    QColor color;
+    //points
+    vao[1].bind();
+    attrib_buffers(this);
+    rendering_program_points.bind();
+    color.setRgbF(1.0f, 0.0f, 0.0f);
+    glPointSize(5);
+    ::glEnable(GL_POINT_SMOOTH);
+    rendering_program_points.setUniformValue(colorLocation_points, color);
+    glDrawArrays(GL_POINTS, 0, static_cast<GLsizei>(pos_points.size()/3));
+    rendering_program_points.release();
+    vao[1].release();
+    //facets
+    vao[0].bind();
+    attrib_buffers(this);
+    rendering_program.bind();
+    color.setRgbF(0.5f, 1.0f, 0.5f);
+    rendering_program.setUniformValue(colorLocation, color);
+    glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(pos_poly.size()/3));
+    rendering_program.release();
+    vao[0].release();
 
 }
 
-
-
-void 
-Viewer::gl_draw_surface()
+void Viewer::alphaChanged()
 {
-  ::glColor3f(1.0f, 0.0f, 0.0f);
-  ::glDisable(GL_LIGHTING);
-  ::glEnable(GL_POINT_SMOOTH);
-  ::glPointSize(5);
-  ::glBegin(GL_POINTS);
-  for(std::list<Point_3>::iterator it = scene->points.begin();
-      it != scene->points.end();
-      ++it){
-    ::glVertex3d(it->x(), it->y(), it->z());
-  }
-  ::glEnd();
-  ::glDisable(GL_POINT_SMOOTH);
 
-  ::glEnable(GL_LIGHTING);
-  ::glBegin(GL_TRIANGLES);
+    normals.resize(0);
+    pos_poly.resize(0);
 
-  ::glColor3f(0.2f, 1.0f, 0.2f);
+    std::list<Facet> facets;
+    scene->alpha_shape.get_alpha_shape_facets(std::back_inserter(facets), Alpha_shape_3::REGULAR);
 
-  std::list<Facet> facets;
-  scene->alpha_shape.get_alpha_shape_facets(std::back_inserter(facets), Alpha_shape_3::REGULAR);
-  
-  for(std::list<Facet>::iterator fit = facets.begin();
-      fit != facets.end();
-      ++fit) {
-    const Cell_handle& ch = fit->first;
-    const int index = fit->second;
-    
-    //const Vector_3& n = ch->normal(index); // must be unit vector
-    
-    const Point_3& a = ch->vertex((index+1)&3)->point();
-    const Point_3& b = ch->vertex((index+2)&3)->point();
-    const Point_3& c = ch->vertex((index+3)&3)->point();
-   
-    Vector_3 v = CGAL::unit_normal(a,b,c);
+    for(std::list<Facet>::iterator fit = facets.begin();
+        fit != facets.end();
+        ++fit) {
+      const Cell_handle& ch = fit->first;
+      const int index = fit->second;
 
+      //const Vector_3& n = ch->normal(index); // must be unit vector
 
-    ::glNormal3d(v.x(),v.y(),v.z());
-    ::glVertex3d(a.x(),a.y(),a.z());
-    ::glVertex3d(b.x(),b.y(),b.z());
-    ::glVertex3d(c.x(),c.y(),c.z());
-  }
+      const Point_3& a = ch->vertex((index+1)&3)->point();
+      const Point_3& b = ch->vertex((index+2)&3)->point();
+      const Point_3& c = ch->vertex((index+3)&3)->point();
 
-  
-  ::glEnd();
+      Vector_3 v = CGAL::unit_normal(a,b,c);
+
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      normals.push_back(v.x()); normals.push_back(v.y()); normals.push_back(v.z());
+      pos_poly.push_back(a.x()); pos_poly.push_back(a.y()); pos_poly.push_back(a.z());
+      pos_poly.push_back(b.x()); pos_poly.push_back(b.y()); pos_poly.push_back(b.z());
+      pos_poly.push_back(c.x()); pos_poly.push_back(c.y()); pos_poly.push_back(c.z());
+
+    }
+
+    initialize_buffers();
 
 }
-
 #include "Viewer.moc"

Alpha_shapes_3/demo/Alpha_shapes_3/Viewer.h

@@ -3,9 +3,13 @@
 
 #include "typedefs.h"
 #include <QGLViewer/qglviewer.h>
+#include <QOpenGLFunctions_3_3_Core>
+#include <QOpenGLVertexArrayObject>
+#include <QOpenGLBuffer>
+#include <QOpenGLShaderProgram>
 
 
-class Viewer : public QGLViewer {
+class Viewer : public QGLViewer, protected QOpenGLFunctions_3_3_Core{
   Q_OBJECT
 
   CGAL::Timer timer;
@@ -13,10 +17,15 @@ class Viewer : public QGLViewer {
 
   int nr_of_facets;
 public:
-  Viewer(QWidget* parent)
-    : QGLViewer(parent)
-  {}
-
+  Viewer(QWidget* parent);
+  ~Viewer()
+  {
+    buffers[0].destroy();
+    buffers[1].destroy();
+    buffers[2].destroy();
+    vao[0].destroy();
+    vao[1].destroy();
+  }
   void setScene(Scene* scene_)
   {
     scene = scene_;
@@ -27,13 +36,41 @@ public:
 public:
   void draw();
 
-  void 
-  gl_draw_surface();
+private:
+  bool are_buffers_initialized;
+  //Shaders elements
+    int poly_vertexLocation;
+    int points_vertexLocation;
+    int normalsLocation;
+    int mvpLocation;
+    int mvpLocation_points;
+    int mvLocation;
+    int colorLocation;
+    int colorLocation_points;
+    int lightLocation[5];
 
+
+    std::vector<float> pos_points;
+    std::vector<float> pos_poly;
+    std::vector<float> normals;
+
+    QOpenGLBuffer buffers[3];
+    QOpenGLVertexArrayObject vao[2];
+    QOpenGLShaderProgram rendering_program;
+    QOpenGLShaderProgram rendering_program_points;
+    void initialize_buffers();
+    void compute_elements();
+    void attrib_buffers(QGLViewer*);
+    void compile_shaders();
  public Q_SLOTS:
+    void initializeGL();
+    void sceneChanged();
+    void changed(){
+        compute_elements();
+        are_buffers_initialized = false;
+    }
+    void alphaChanged();
 
- void sceneChanged();
-   
 };
 
 #endif

Apollonius_graph_2/demo/Apollonius_graph_2/Qt3/CMakeLists.txt

@@ -9,7 +9,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND QT3_FOUND AND CGAL_Qt3_FOUND )

Arithmetic_kernel/test/Arithmetic_kernel/CMakeLists.txt

@@ -4,12 +4,8 @@
 
 project( Arithmetic_kernel_test )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 
 find_package(CGAL QUIET COMPONENTS Core GMP MPFR MPFI)

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/ArrangementDemoPropertiesDialog.cpp

@@ -51,6 +51,7 @@ QVariant ArrangementDemoPropertiesDialog::property( int index )
 
   // return user data, if it is set
   QVariant myData = item->data( Qt::UserRole );
+ /*
   if ( qVariantCanConvert< QColor >( myData ) ||
        qVariantCanConvert< DeleteCurveMode >( myData ) )
   {
@@ -60,7 +61,17 @@ QVariant ArrangementDemoPropertiesDialog::property( int index )
   {
     res = item->data( Qt::DisplayRole );
   }
+ */
 
+  if ( myData.canConvert<QColor>() ||
+       myData.canConvert<DeleteCurveMode>())
+  {
+    return myData;
+  }
+  else
+  {
+    res = item->data( Qt::DisplayRole );
+  }
   return res;
 }
 

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/ArrangementDemoWindow.cpp

@@ -693,7 +693,7 @@ void ArrangementDemoWindow::updateConicType( QAction* newType )
       curveInputCallback->setCurveType( LinearCurveInputCallback::SEGMENT );
     }
     else if ( newType == this->ui->actionCurveRay )
-    {
+  {
       curveInputCallback->setCurveType( LinearCurveInputCallback::RAY );
     }
     else if ( newType == this->ui->actionCurveLine )
@@ -1183,38 +1183,34 @@ void ArrangementDemoWindow::on_actionPreferences_triggered( )
   if ( dialog->exec( ) == QDialog::Accepted )
   {
     typedef ArrangementDemoPropertiesDialog Dialog;
-    QColor edgeColor =
-      qVariantValue<QColor>(dialog->property(Dialog::EDGE_COLOR_KEY));
-    unsigned int edgeWidth =
-      qVariantValue<unsigned int>(dialog->property(Dialog::EDGE_WIDTH_KEY));
-    QColor vertexColor =
-      qVariantValue<QColor>(dialog->property(Dialog::VERTEX_COLOR_KEY));
-    unsigned int vertexRadius =
-      qVariantValue<unsigned int>(dialog->property(Dialog::VERTEX_RADIUS_KEY));
-    QColor envelopeEdgeColor =
-      qVariantValue<QColor>(dialog->property(Dialog::ENVELOPE_EDGE_COLOR_KEY));
-    unsigned int envelopeEdgeWidth =
-      qVariantValue<unsigned int>(dialog->property(Dialog::
-                                                   ENVELOPE_EDGE_WIDTH_KEY));
-    QColor envelopeVertexColor =
-      qVariantValue<QColor>(dialog->property(Dialog::
-                                             ENVELOPE_VERTEX_COLOR_KEY));
-    unsigned int envelopeVertexRadius =
-      qVariantValue<unsigned int>(dialog->property(Dialog::
-                                                   ENVELOPE_VERTEX_RADIUS_KEY));
-    QColor verticalRayEdgeColor =
-      qVariantValue<QColor>(dialog->property(Dialog::
-                                             VERTICAL_RAY_EDGE_COLOR_KEY));
-    unsigned int verticalRayEdgeWidth =
-      qVariantValue<unsigned int>(dialog->property
-                                  (Dialog::VERTICAL_RAY_EDGE_WIDTH_KEY));
-    DeleteCurveMode mode =
-      qVariantValue<DeleteCurveMode>(dialog->property(Dialog::
-                                                      DELETE_CURVE_MODE_KEY));
-    unsigned int gridSize =
-      qVariantValue<unsigned int>(dialog->property(Dialog::GRID_SIZE_KEY));
-    QColor gridColor =
-      qVariantValue<QColor>(dialog->property(Dialog::GRID_COLOR_KEY));
+
+    QColor edgeColor =  dialog->property(Dialog::EDGE_COLOR_KEY).value<QColor>();
+
+    unsigned int edgeWidth = dialog->property(Dialog::EDGE_WIDTH_KEY).value<unsigned int>();
+
+    QColor vertexColor = dialog->property(Dialog::VERTEX_COLOR_KEY).value<QColor>();
+
+    unsigned int vertexRadius = dialog->property(Dialog::VERTEX_RADIUS_KEY).value<unsigned int>();
+
+    QColor envelopeEdgeColor = dialog->property(Dialog::ENVELOPE_EDGE_COLOR_KEY).value<QColor>();
+
+    unsigned int envelopeEdgeWidth = dialog->property(Dialog::ENVELOPE_EDGE_WIDTH_KEY).value<unsigned int>();
+
+    QColor envelopeVertexColor = dialog->property(Dialog::ENVELOPE_VERTEX_COLOR_KEY).value<QColor>();
+
+    unsigned int envelopeVertexRadius = dialog->property(Dialog::ENVELOPE_VERTEX_RADIUS_KEY).value<unsigned int>();
+
+    QColor verticalRayEdgeColor = dialog->property(Dialog::VERTICAL_RAY_EDGE_COLOR_KEY).value<QColor>();
+
+    unsigned int verticalRayEdgeWidth = dialog->property(Dialog::VERTICAL_RAY_EDGE_WIDTH_KEY).value<unsigned int>();
+
+    DeleteCurveMode mode = dialog->property(Dialog::DELETE_CURVE_MODE_KEY).value<DeleteCurveMode>();
+
+    unsigned int gridSize = dialog->property(Dialog::GRID_SIZE_KEY).value<unsigned int>();
+
+    QColor gridColor = dialog->property(Dialog::GRID_COLOR_KEY).value<QColor>();
+    //end new for Qt5 version !
+
 
     QPen edgesPen(QBrush(edgeColor), edgeWidth);
     QPen verticesPen(QBrush(vertexColor), vertexRadius);

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/CMakeLists.txt

@@ -2,31 +2,28 @@
 
 project( Arrangement_2 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Core Qt4 )
+find_package(CGAL COMPONENTS Core Qt5 )
 include( ${CGAL_USE_FILE} )
 
-find_package( Qt4 )
+find_package( Qt5 QUIET COMPONENTS Script Widgets )
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND)
-  include( ${QT_USE_FILE} )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND)
   include_directories( ./ )
   # Arrangement package includes
   include_directories( BEFORE ../../include )
 
-  qt4_wrap_ui( arrangement_2_uis
+  qt5_wrap_ui( arrangement_2_uis
     ArrangementDemoWindow.ui
     NewTabDialog.ui
     OverlayDialog.ui
     ArrangementDemoPropertiesDialog.ui
   )
-  qt4_wrap_cpp( arrangement_2_mocs
+  qt5_wrap_cpp( arrangement_2_mocs
     ArrangementDemoWindow.h
     ArrangementDemoTab.h
     Callback.h
@@ -38,7 +35,7 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND)
     PropertyValueDelegate.h
     #PropertyValueDelegate.cpp
   )
-  qt4_add_resources( arrangement_2_resources
+  qt5_add_resources( arrangement_2_resources
     ArrangementDemoWindow.qrc
   )
   add_executable( arrangement_2
@@ -68,16 +65,18 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND)
    ${arrangement_2_uis}
    ${arrangement_2_resources}
   )
-
+  qt5_use_modules(arrangement_2 Widgets Script)
   target_link_libraries( arrangement_2
     ${CGAL_LIBRARIES}
     ${CGAL_3RD_PARTY_LIBRARIES}
     ${QT_LIBRARIES}
   )
 
+  add_to_cached_list( CGAL_EXECUTABLE_TARGETS arrangement_2 )
+
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()
 

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/ColorItemEditor.cpp

@@ -41,6 +41,8 @@
 
 #include <QtGui>
 #include <iostream>
+#include <QColorDialog>
+
 
 #include "ColorItemEditor.h"
 

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/DeleteCurveModeItemEditor.cpp

@@ -33,8 +33,7 @@ DeleteCurveModeItemEditor::DeleteCurveModeItemEditor( QWidget* parent ) :
 
 DeleteCurveMode DeleteCurveModeItemEditor::mode( ) const
 {
-  return qVariantValue<DeleteCurveMode >(this->itemData(this->currentIndex( ),
-                                                        Qt::UserRole ) );
+  return this->itemData(this->currentIndex( ), Qt::UserRole ).value< DeleteCurveMode >();
 }
 
 void DeleteCurveModeItemEditor::setMode( DeleteCurveMode m )

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/PropertyValueDelegate.cpp

@@ -23,6 +23,8 @@
 #include "DeleteCurveMode.h"
 
 #include <iostream>
+#include <QItemEditorFactory>
+
 
 PropertyValueDelegate::PropertyValueDelegate( QObject* parent ):
   QItemDelegate( parent )
@@ -42,6 +44,7 @@ createEditor( QWidget* parent, const QStyleOptionViewItem& option,
   QVariant myData = index.data( Qt::UserRole );
 
   // check for data types we need to handle ourselves
+ /*
   if ( qVariantCanConvert< QColor >( myData ) )
   {
     ColorItemEditor* colorEditor = new ColorItemEditor( parent );
@@ -60,6 +63,28 @@ createEditor( QWidget* parent, const QStyleOptionViewItem& option,
                       SLOT( commit( ) ) );
   }
   else
+  { // default handler
+    editor = QItemDelegate::createEditor( parent, option, index );
+  }*/
+
+ if ( myData.canConvert< QColor >() )
+  {
+    ColorItemEditor* colorEditor = new ColorItemEditor( parent );
+    editor = colorEditor;
+
+    QObject::connect( colorEditor, SIGNAL(confirmed()), this, SLOT(commit()));
+  }
+  else if ( myData.canConvert< DeleteCurveMode >() )
+  {
+    DeleteCurveModeItemEditor* modeEditor =
+      new DeleteCurveModeItemEditor( parent );
+    modeEditor->setMode( myData.value< DeleteCurveMode >() );
+    editor = modeEditor;
+
+    QObject::connect( modeEditor, SIGNAL( currentIndexChanged( int ) ), this,
+                      SLOT( commit( ) ) );
+  }
+  else
   { // default handler
     editor = QItemDelegate::createEditor( parent, option, index );
   }

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/PropertyValueDelegate.h

@@ -21,6 +21,9 @@
 #define PROPERTY_VALUE_DELEGATE_H
 
 #include <QtGui>
+#include <QItemDelegate>
+#include <QSpinBox>
+
 
 class PropertyValueDelegate : public QItemDelegate
 {

Arrangement_on_surface_2/demo/Arrangement_on_surface_2/old_demo/CMakeLists.txt

@@ -2,13 +2,9 @@
 
 project( Arrangement_2 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 2.6)
-  if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-    cmake_policy(VERSION 2.8.4)
-  else()
-    cmake_policy(VERSION 2.6)
-  endif()
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Core Qt3 )
@@ -17,7 +13,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

BGL/test/BGL/CMakeLists.txt

@@ -4,14 +4,8 @@
 project( BGL )
 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 2.6)
-  if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-    cmake_policy(VERSION 2.8.4)
-  else()
-    cmake_policy(VERSION 2.6)
-  endif()
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 set( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true )
  
@@ -36,7 +30,7 @@ include( ${CGAL_USE_FILE} )
 
 
 # Boost and its components
-find_package( Boost REQUIRED )
+find_package( Boost )
 
 if ( NOT Boost_FOUND )
   message(STATUS "This project requires the Boost library, and will not be compiled.")

Boolean_set_operations_2/demo/Boolean_set_operations_2/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( Boolean_operations_2 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/CMakeLists.txt

@@ -3,41 +3,37 @@
 
 project( Boolean_operations_2_demo ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4 Core )
+find_package(CGAL COMPONENTS Qt5 Core )
 
 include(${CGAL_USE_FILE})
 
 set( QT_USE_QTMAIN   TRUE )
 
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Widgets Script)
 
 include_directories (BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/../../include )
 include_directories (BEFORE ${CMAKE_CURRENT_BINARY_DIR})
 include_directories (BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/include )
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND CGAL_Core_FOUND )
-
-  include(${QT_USE_FILE})
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND AND CGAL_Core_FOUND )
 
   # UI files (Qt Designer files)
-  qt4_wrap_ui( CDT_UI_FILES boolean_operations_2.ui )
+  qt5_wrap_ui( CDT_UI_FILES boolean_operations_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( CDT_RESOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/boolean_operations_2.qrc )
+  qt5_add_resources ( CDT_RESOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/boolean_operations_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( "boolean_operations_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/boolean_operations_2.moc" )
+  qt5_generate_moc( "boolean_operations_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/boolean_operations_2.moc" )
 
   # The executable itself.
   add_executable  ( boolean_operations_2 ${CMAKE_CURRENT_SOURCE_DIR}/boolean_operations_2.cpp boolean_operations_2.moc ${CDT_UI_FILES} ${CDT_RESOURCE_FILES} )
-
+  qt5_use_modules(boolean_operations_2 Widgets Script)
   # Link with Qt libraries
   target_link_libraries( boolean_operations_2 ${QT_LIBRARIES} )
 
@@ -46,6 +42,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND CGAL_Core_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/boolean_operations_2.cpp

@@ -51,6 +51,7 @@ void trace( std::string s )
 #include <QDropEvent>
 #include <QSlider>
 #include <QProgressBar>
+#include <QMessageBox>
 
 #include <CGAL/basic.h>
 #include <CGAL/Cartesian_converter.h>
@@ -81,6 +82,7 @@ void trace( std::string s )
   #include <CGAL/Quotient.h>
 #endif
 
+
 #include <CGAL/Qt/BezierCurves.h>
 #include <CGAL/Qt/CircularPolygons.h>
 #include <CGAL/Qt/GraphicsViewBezierPolygonInput.h>
@@ -1629,9 +1631,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Boolean_operations_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGALQt5.
+  CGAL_QT_INIT_RESOURCES;
   
   MainWindow mainWindow;
   mainWindow.show();

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/include/CGAL/Qt/GraphicsViewBezierPolygonInput.h

@@ -22,11 +22,13 @@
 #ifndef CGAL_QT_GRAPHICS_VIEW_BEZIER_POLYGON_INPUT_H
 #define CGAL_QT_GRAPHICS_VIEW_BEZIER_POLYGON_INPUT_H
 
-#include <CGAL/auto_link/Qt4.h>
+#include <CGAL/auto_link/Qt.h>
 
 #include <QPolygonF>
 #include <QPointF>
 #include <QGraphicsLineItem> 
+#include <QGraphicsScene>
+#include <QGraphicsSceneMouseEvent>
 
 #include <CGAL/Qt/GraphicsViewInput.h>
 #include <CGAL/Qt/Converter.h>
@@ -132,7 +134,7 @@ namespace Qt {
       bool rHandled = false ;
       
       Point lP = cvt(aEvent->scenePos());
-      
+
       if ( aEvent->button() == ::Qt::LeftButton )
       {
         switch (mState)

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/include/CGAL/Qt/GraphicsViewCircularPolygonInput.h

@@ -22,11 +22,13 @@
 #ifndef CGAL_QT_GRAPHICS_VIEW_CIRCULAR_POLYGON_INPUT_H
 #define CGAL_QT_GRAPHICS_VIEW_CIRCULAR_POLYGON_INPUT_H
 
-#include <CGAL/auto_link/Qt4.h>
+#include <CGAL/auto_link/Qt.h>
 
 #include <QPolygonF>
 #include <QPointF>
 #include <QGraphicsLineItem> 
+#include <QGraphicsScene>
+
 
 #include <CGAL/Qt/GraphicsViewInput.h>
 #include <CGAL/Qt/Converter.h>

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/include/CGAL/Qt/PiecewiseRegionGraphicsItem.h

@@ -80,19 +80,19 @@ protected:
 template <class R, class D, class P>
 void Piecewise_region_graphics_item<R,D,P>::update_region_bbox( Piecewise_region const& aRegion, Piecewise_graphics_item_base::Bbox_builder& aBboxBuilder )
 {
-  update_boundary_bbox( aRegion.outer_boundary(), aBboxBuilder ) ;
+  this->update_boundary_bbox( aRegion.outer_boundary(), aBboxBuilder ) ;//"This" added for qt5 version !
   
   for( Hole_const_itertator hit = aRegion.holes_begin(); hit != aRegion.holes_end(); ++ hit )
-    update_boundary_bbox(*hit,aBboxBuilder);
+    this->update_boundary_bbox(*hit,aBboxBuilder);//"This" added for qt5 version !
 }
 
 template <class R, class D, class P>
 void Piecewise_region_graphics_item<R,D,P>::draw_region( Piecewise_region const& aRegion, QPainterPath& aPath )
 {
-  draw_boundary( aRegion.outer_boundary(), aPath ) ;
+  this->draw_boundary( aRegion.outer_boundary(), aPath ) ;//This added for qt5 version !
   
   for( Hole_const_itertator hit = aRegion.holes_begin(); hit != aRegion.holes_end(); ++ hit )
-    draw_boundary(*hit,aPath);
+    this->draw_boundary(*hit,aPath);//"This" added for qt5 version !
 }
 
 

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/include/CGAL/Qt/PiecewiseSetGraphicsItem.h

@@ -103,7 +103,7 @@ void Piecewise_set_graphics_item<S,D,P>::update_set_bbox( Piecewise_set const& a
   aSet.polygons_with_holes( std::back_inserter(vec) ) ;
   
   for( Region_const_iterator rit = vec.begin(); rit != vec.end() ; ++ rit )
-    update_region_bbox(*rit,aBboxBuilder);
+    this->update_region_bbox(*rit,aBboxBuilder);//This added for Qt5 version !
 }
 
 template <class S, class D, class P>
@@ -114,7 +114,7 @@ void Piecewise_set_graphics_item<S,D,P>::draw_set( Piecewise_set const& aSet, QP
   aSet.polygons_with_holes( std::back_inserter(vec) ) ;
   
   for( Region_const_iterator rit = vec.begin(); rit != vec.end() ; ++ rit )
-    draw_region(*rit,aPath);
+    this->draw_region(*rit,aPath);//This added for Qt5 version !
 }
 
 } // namespace Qt

Bounding_volumes/demo/Min_circle_2/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( Min_circle_2_Demo ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

Bounding_volumes/demo/Min_ellipse_2/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( Min_ellipse_2_Demo ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

Bounding_volumes/demo/Min_quadrilateral_2/Min_quadrilateral_2/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( min_quadrilateral_2 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

CGAL_Core/examples/Core/CMakeLists.txt

@@ -1,14 +1,8 @@
 project( Core_examples )
 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 2.6)
-  if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-    cmake_policy(VERSION 2.8.4)
-  else()
-    cmake_policy(VERSION 2.6)
-  endif()
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 set( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true )
 
@@ -33,7 +27,7 @@ include( ${CGAL_USE_FILE} )
 
 
 # Boost and its components
-find_package( Boost REQUIRED )
+find_package( Boost )
 
 if ( NOT Boost_FOUND )
 

CGAL_Core/src/CGAL_Core/CMakeLists.txt

@@ -10,7 +10,9 @@ link_directories    ( ${CGAL_LIBRARIES_DIR} ${CGAL_3RD_PARTY_LIBRARIES_DIRS} )
 
 collect_cgal_library(CGAL_Core "")
  
-target_link_libraries( CGAL_Core ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} )
+# CGAL_Core does not depend on CGAL in either DEBUG or RELEASE, but we
+# still link it.
+target_link_libraries( CGAL_Core CGAL ${CGAL_3RD_PARTY_LIBRARIES} )
 
 add_dependencies( CGAL_Core CGAL )
 

CGAL_ImageIO/demo/CGALimageIO/CMakeLists.txt

@@ -1,6 +1,27 @@
 project(image_to_vtk_viewer)
 
 cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
+endif()
+
+
+set(PACKAGE_ROOT ../..)
+
+# Add several CGAL packages to the include and link paths,
+# if they lie in ${PACKAGE_ROOT}/.
+foreach(INC_DIR ${PACKAGE_ROOT}/include 
+		${PACKAGE_ROOT}/../CGAL_ImageIO/include )
+  if(EXISTS ${INC_DIR})
+    include_directories (BEFORE ${INC_DIR})
+  endif()
+endforeach()
+foreach(LIB_DIR ${PACKAGE_ROOT}/../CGAL_ImageIO/src/CGAL_ImageIO)
+  if (EXISTS ${LIB_DIR})
+    link_directories (${LIB_DIR})
+  endif()
+endforeach()
+
 
 find_package(CGAL REQUIRED ImageIO)
 include( ${CGAL_USE_FILE} )

CGAL_ImageIO/demo/CGALimageIO/image_to_vtk_viewer.cpp

@@ -52,10 +52,6 @@ int main(int argc, char** argv)
   QVTKWidget widget;
   widget.resize(256,256);
  
-#if QT_VERSION < 0x040000
-  app.setMainWidget(&widget);
-#endif
-
   CGAL::Image_3 image;
   if(!image.read(argv[1]))
   {

CGAL_ImageIO/examples/CGALimageIO/CMakeLists.txt

@@ -3,12 +3,8 @@
 
 project( CGALImageIO_example ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 find_package(CGAL QUIET COMPONENTS ImageIO )
 

CGAL_ImageIO/src/CGAL_ImageIO/CMakeLists.txt

@@ -57,7 +57,9 @@ if(OPENGL_FOUND)
   
   add_definitions( ${CGAL_3RD_PARTY_DEFINITIONS} ${CGAL_ImageIO_3RD_PARTY_DEFINITIONS} )
   
-  target_link_libraries( CGAL_ImageIO ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} ${CGAL_ImageIO_3RD_PARTY_LIBRARIES} )
+  # CGAL_ImageIO only depends on CGAL in DEBUG, but we still link it
+  # in both build types.
+  target_link_libraries( CGAL_ImageIO CGAL ${CGAL_3RD_PARTY_LIBRARIES} ${CGAL_ImageIO_3RD_PARTY_LIBRARIES} )
   
 message("libCGAL_ImageIO is configured")
     

CGAL_ImageIO/test/CGAL_ImageIO/CMakeLists.txt

@@ -4,12 +4,8 @@
 
 project( CGALImageIO_test )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 include_directories(../../include)
 

CGAL_ipelets/demo/CGAL_ipelets/CMakeLists.txt

@@ -1,8 +1,6 @@
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 macro( remove_leading_zero var )

CGAL_ipelets/demo/CGAL_ipelets/cgal_test_with_cmake

@@ -180,6 +180,6 @@ fi
 #
 if [ -n "${NEED_CLEAN}" ]; then 
   if ! ( uname | grep -q "CYGWIN" ) ; then
-    ${MAKE_CMD} -fMakefile clean
+    ${MAKE_CMD} -fMakefile clean || true
   fi
 fi

CMakeLists.txt

@@ -3,11 +3,7 @@ message( "== CMake setup ==" )
 project(CGAL CXX C)
 
 # Minimal version of CMake:
-if(WIN32)
-  cmake_minimum_required(VERSION 2.8.6)
-else()
-  cmake_minimum_required(VERSION 2.6.2)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
 
 # option for branch build
 

Circular_kernel_3/demo/Circular_kernel_3/CMakeLists.txt

@@ -1,33 +1,28 @@
 project (Circular_kernel_3)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL  COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL)
 
 find_package(OpenGL)
 find_package(QGLViewer)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
 
-  include(${QT_USE_FILE})
 
   include_directories (${QGLVIEWER_INCLUDE_DIR})
   include_directories (BEFORE ../../include ./ )
 
   add_executable  ( Circular_kernel_3 Circular_kernel_3.cpp Viewer.cpp )
 
+  qt5_use_modules( Circular_kernel_3 Xml Script OpenGL)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Circular_kernel_3 )
 
   target_link_libraries( Circular_kernel_3 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES})
@@ -36,6 +31,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt5, and will not be compiled.")
 
 endif()

Circular_kernel_3/demo/Circular_kernel_3/Circular_kernel_3.cpp

@@ -8,13 +8,9 @@ int main(int argc, char** argv)
 
   // Instantiate the viewer.
   Viewer viewer;
-
-#if QT_VERSION < 0x040000
-  // Set the viewer as the application main widget.
-  application.setMainWidget(&viewer);
-#else
+  //for Windows
+  application.setAttribute(Qt::AA_UseDesktopOpenGL);
   viewer.setWindowTitle("Intersection points of randomly generated circles.");
-#endif
 
   // Make the viewer window visible on screen.
   viewer.show();

Circular_kernel_3/demo/Circular_kernel_3/Viewer.cpp

@@ -3,153 +3,789 @@
 #include <CGAL/squared_distance_3.h>
 #include <CGAL/Exact_spherical_kernel_3.h>
 #include <vector>
+#include <CGAL/Qt/CreateOpenGLContext.h>
+Viewer::Viewer(QWidget* parent )
+  : QGLViewer(CGAL::Qt::createOpenGLContext(),parent)
+{
+}
+
+void Viewer::compile_shaders()
+{
+    initializeOpenGLFunctions();
+    if(! buffers[0].create() || !buffers[1].create() || !buffers[2].create() || !buffers[3].create()
+            || !buffers[4].create() || !buffers[4].create() || !buffers[5].create() || !buffers[6].create()
+            || !buffers[7].create() || !buffers[8].create())
+    {
+        std::cerr<<"VBO Creation FAILED"<<std::endl;
+    }
+
+    if(!vao[0].create() || !vao[1].create() || !vao[2].create())
+    {
+        std::cerr<<"VAO Creation FAILED"<<std::endl;
+    }
+
+    //The sphere
+
+    //Vertex source code
+    const char vertex_source[] =
+    {
+        "#version 330 \n"
+        "in highp vec4 vertex;\n"
+        "in highp vec3 normal;\n"
+        "in highp vec4 center;\n"
+
+        "uniform highp mat4 mvp_matrix;\n"
+        "uniform highp mat4 mv_matrix; \n"
+
+        "out highp vec4 fP; \n"
+        "out highp vec3 fN; \n"
+        "void main(void)\n"
+        "{\n"
+        "   fP = mv_matrix * vertex; \n"
+        "   fN = mat3(mv_matrix)* normal; \n"
+        "   gl_Position = mvp_matrix * (vertex+vec4(center.xyz, 0.0));\n"
+        "}"
+    };
+    //Vertex source code
+    const char fragment_source[] =
+    {
+        "#version 330 \n"
+        "in highp vec4 fP; \n"
+        "in highp vec3 fN; \n"
+        "uniform highp vec4 color; \n"
+        "uniform vec4 light_pos;  \n"
+        "uniform vec4 light_diff; \n"
+        "uniform vec4 light_spec; \n"
+        "uniform vec4 light_amb;  \n"
+        "uniform float spec_power ; \n"
+
+        "void main(void) { \n"
+
+        "   vec3 L = light_pos.xyz - fP.xyz; \n"
+        "   vec3 V = -fP.xyz; \n"
+
+        "   vec3 N = normalize(fN); \n"
+        "   L = normalize(L); \n"
+        "   V = normalize(V); \n"
+
+        "   vec3 R = reflect(-L, N); \n"
+        "   vec4 diffuse = max(dot(N,L), 0.0) * light_diff * color; \n"
+        "   vec4 specular = pow(max(dot(R,V), 0.0), spec_power) * light_spec; \n"
+
+        "gl_FragColor = light_amb*color + diffuse  ; \n"
+        "} \n"
+        "\n"
+    };
+    QOpenGLShader *vertex_shader = new QOpenGLShader(QOpenGLShader::Vertex);
+    if(!vertex_shader->compileSourceCode(vertex_source))
+    {
+        std::cerr<<"Compiling vertex source FAILED"<<std::endl;
+    }
+
+    QOpenGLShader *fragment_shader= new QOpenGLShader(QOpenGLShader::Fragment);
+    if(!fragment_shader->compileSourceCode(fragment_source))
+    {
+        std::cerr<<"Compiling fragmentsource FAILED"<<std::endl;
+    }
+
+    if(!rendering_program.addShader(vertex_shader))
+    {
+        std::cerr<<"adding vertex shader FAILED"<<std::endl;
+    }
+    if(!rendering_program.addShader(fragment_shader))
+    {
+        std::cerr<<"adding fragment shader FAILED"<<std::endl;
+    }
+    if(!rendering_program.link())
+    {
+        std::cerr<<"linking Program FAILED"<<std::endl;
+    }
+    rendering_program.bind();
+
+}
+
+void Viewer::initialize_buffers()
+{
+    //The big white sphere
+    vao[0].bind();
+    //points of the sphere
+    buffers[0].bind();
+    buffers[0].allocate(pos_sphere.data(),
+                        static_cast<int>(pos_sphere.size()*sizeof(float)));
+    vertexLocation[0] = rendering_program.attributeLocation("vertex");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(vertexLocation[0]);
+    rendering_program.setAttributeBuffer(vertexLocation[0],GL_FLOAT,0,3);
+    buffers[0].release();
+    //normals of the sphere
+    buffers[1].bind();
+    buffers[1].allocate(normals.data(),
+                        static_cast<int>(normals.size()*sizeof(float)));
+    normalsLocation[0] = rendering_program.attributeLocation("normal");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(normalsLocation[0]);
+    rendering_program.setAttributeBuffer(normalsLocation[0],GL_FLOAT,0,3);
+    buffers[1].release();
+    //center of the sphere
+    buffers[2].bind();
+    buffers[2].allocate(trivial_center.data(),
+                        static_cast<int>(trivial_center.size()*sizeof(float)));
+    trivialCenterLocation = rendering_program.attributeLocation("center");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(trivialCenterLocation);
+    rendering_program.setAttributeBuffer(trivialCenterLocation,GL_FLOAT,0,3);
+    buffers[2].release();
+    glVertexAttribDivisor(trivialCenterLocation, 1);
+    glVertexAttribDivisor(normalsLocation[0], 0);
+    vao[0].release();
+
+    //The circles
+    vao[1].bind();
+    buffers[3].bind();
+    buffers[3].allocate(pos_lines.data(),
+                        static_cast<int>(pos_lines.size()*sizeof(float)));
+    vertexLocation[2] = rendering_program.attributeLocation("vertex");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(vertexLocation[2]);
+    rendering_program.setAttributeBuffer(vertexLocation[2],GL_FLOAT,0,3);
+    buffers[3].release();
+
+    //normals
+    buffers[4].bind();
+    buffers[4].allocate(normals_lines.data(),
+                        static_cast<int>(normals_lines.size()*sizeof(float)));
+    normalsLocation[1] = rendering_program.attributeLocation("normal");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(normalsLocation[1]);
+    rendering_program.setAttributeBuffer(normalsLocation[1],GL_FLOAT,0,3);
+    buffers[4].release();
+    //center
+    buffers[5].bind();
+    buffers[5].allocate(trivial_center.data(),
+                        static_cast<int>(trivial_center.size()*sizeof(float)));
+    trivialCenterLocation = rendering_program.attributeLocation("center");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(trivialCenterLocation);
+    rendering_program.setAttributeBuffer(trivialCenterLocation,GL_FLOAT,0,3);
+    buffers[5].release();
+    glVertexAttribDivisor(trivialCenterLocation, 1);
+    glVertexAttribDivisor(normalsLocation[0], 0);
+    rendering_program.release();
+
+    vao[1].release();
+
+    //The little green spheres
+    vao[2].bind();
+    //points of the sphere
+    buffers[6].bind();
+    buffers[6].allocate(pos_sphere_inter.data(),
+                        static_cast<int>(pos_sphere_inter.size()*sizeof(float)));
+    vertexLocation[2] = rendering_program.attributeLocation("vertex");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(vertexLocation[2]);
+    rendering_program.setAttributeBuffer(vertexLocation[2],GL_FLOAT,0,3);
+    buffers[6].release();
+    //normals of the sphere
+    buffers[7].bind();
+    buffers[7].allocate(normals_inter.data(),
+                        static_cast<int>(normals_inter.size()*sizeof(float)));
+    normalsLocation[2] = rendering_program.attributeLocation("normal");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(normalsLocation[2]);
+    rendering_program.setAttributeBuffer(normalsLocation[2],GL_FLOAT,0,3);
+    buffers[7].release();
+    //center of the sphere
+    buffers[8].bind();
+    buffers[8].allocate(pos_points.data(),
+                        static_cast<int>(pos_points.size()*sizeof(float)));
+    centerLocation = rendering_program.attributeLocation("center");
+    rendering_program.bind();
+    rendering_program.enableAttributeArray(centerLocation);
+    rendering_program.setAttributeBuffer(centerLocation,GL_FLOAT,0,3);
+    buffers[8].release();
+    glVertexAttribDivisor(centerLocation, 1);
+    glVertexAttribDivisor(normalsLocation[1], 0);
+    vao[2].release();
 
 
-template <class Kernel>
-void Viewer::draw_circle_on_unit_sphere(const typename CGAL::Point_3<Kernel>& center) const {
-  const typename Kernel::Point_3 origin(0,0,0);
-  const typename Kernel::Plane_3 plane(center, center-origin);
-  typename Kernel::Vector_3 base1=plane.base1();
-  typename Kernel::Vector_3 base2=plane.base2();
-  base1=base1/CGAL::sqrt(base1.squared_length());
-  base2=base2/CGAL::sqrt(base2.squared_length());
-  const double radius=CGAL::sqrt( CGAL::to_double( 1 - CGAL::squared_distance(origin,center) ) );
-  const double nb_pt_per_circle=100;
-  const double step=2 * CGAL_PI / nb_pt_per_circle;
-  ::glDisable(GL_LIGHTING);
-  ::glBegin(GL_LINE_LOOP);
-  for (double theta = 0; theta < 2 * CGAL_PI ; theta += step) {
-    const typename Kernel::Point_3 point=center + ( radius*cos(theta)*base1 + radius*sin(theta)*base2 );
-    ::glVertex3f( point.x(),point.y(),point.z() );
-  }
-  ::glEnd();
-  ::glEnable(GL_LIGHTING);
+
+}
+
+void Viewer::compute_elements()
+{
+
+    //The Central Sphere
+    {
+        pos_sphere.resize(0);
+        trivial_center.resize(0);
+        int rings=3,sectors=6;
+        float T, P, R = 0.999f;
+        float x[4],y[4],z[4];
+
+
+        //Top of the sphere
+        for(int t=0; t<360; t+=sectors)
+        {
+
+            pos_sphere.push_back(0);
+            pos_sphere.push_back(0);
+            pos_sphere.push_back(R);
+
+
+            normals.push_back(0);
+            normals.push_back(0);
+            normals.push_back(1);
+
+
+
+            P = rings*M_PI/180.0;
+            T = t*M_PI/180.0;
+            x[1] = sin(P) * cos(T) ;
+            y[1] = sin(P) * sin(T) ;
+            z[1] = cos(P);
+            pos_sphere.push_back(R * x[1]);
+            pos_sphere.push_back(R * y[1]);
+            pos_sphere.push_back(R * z[1]);
+
+
+            normals.push_back(x[1]);
+            normals.push_back(y[1]);
+            normals.push_back(z[1]);
+
+            //
+            P = rings*M_PI/180.0;
+            T = (t+sectors)*M_PI/180.0;
+            x[2] = sin(P) * cos(T) ;
+            y[2] = sin(P) * sin(T) ;
+            z[2] = cos(P);
+            pos_sphere.push_back(R * x[2]);
+            pos_sphere.push_back(R * y[2]);
+            pos_sphere.push_back(R * z[2]);
+
+            normals.push_back(x[2]);
+            normals.push_back(y[2]);
+            normals.push_back(z[2]);
+
+        }
+
+        //Body of the sphere
+        for (int p=rings; p<180-rings; p+=rings)
+            for(int t=0; t<360; t+=sectors)
+            {
+                //A
+                P = p*M_PI/180.0;
+                T = t*M_PI/180.0;
+                x[0] = sin(P) * cos(T) ;
+                y[0] = sin(P) * sin(T) ;
+                z[0] = cos(P);
+
+                pos_sphere.push_back(R * x[0]);
+                pos_sphere.push_back(R * y[0]);
+                pos_sphere.push_back(R * z[0]);
+
+
+                normals.push_back(x[0]);
+                normals.push_back(y[0]);
+                normals.push_back(z[0]);
+
+                //B
+                P = (p+rings)*M_PI/180.0;
+                T = t*M_PI/180.0;
+                x[1] = sin(P) * cos(T) ;
+                y[1] = sin(P) * sin(T) ;
+                z[1] = cos(P);
+                pos_sphere.push_back(R * x[1]);
+                pos_sphere.push_back(R * y[1]);
+                pos_sphere.push_back(R * z[1]);
+
+
+                normals.push_back(x[1]);
+                normals.push_back(y[1]);
+                normals.push_back(z[1]);
+
+                //C
+                P = p*M_PI/180.0;
+                T = (t+sectors)*M_PI/180.0;
+                x[2] = sin(P) * cos(T) ;
+                y[2] = sin(P) * sin(T) ;
+                z[2] = cos(P);
+                pos_sphere.push_back(R * x[2]);
+                pos_sphere.push_back(R * y[2]);
+                pos_sphere.push_back(R * z[2]);
+
+
+                normals.push_back(x[2]);
+                normals.push_back(y[2]);
+                normals.push_back(z[2]);
+                //D
+                P = (p+rings)*M_PI/180.0;
+                T = (t+sectors)*M_PI/180.0;
+                x[3] = sin(P) * cos(T) ;
+                y[3] = sin(P) * sin(T) ;
+                z[3] = cos(P);
+                pos_sphere.push_back(R * x[3]);
+                pos_sphere.push_back(R * y[3]);
+                pos_sphere.push_back(R * z[3]);
+
+
+                normals.push_back(x[3]);
+                normals.push_back(y[3]);
+                normals.push_back(z[3]);
+
+
+
+                pos_sphere.push_back(R * x[1]);
+                pos_sphere.push_back(R * y[1]);
+                pos_sphere.push_back(R * z[1]);
+
+
+                normals.push_back(x[1]);
+                normals.push_back(y[1]);
+                normals.push_back(z[1]);
+
+                pos_sphere.push_back(R * x[2]);
+                pos_sphere.push_back(R * y[2]);
+                pos_sphere.push_back(R * z[2]);
+
+
+                normals.push_back(x[2]);
+                normals.push_back(y[2]);
+                normals.push_back(z[2]);
+
+            }
+        //Bottom of the sphere
+        for(int t=0; t<360; t+=sectors)
+        {
+
+
+            pos_sphere.push_back(0);
+            pos_sphere.push_back(0);
+            pos_sphere.push_back(-R);
+
+
+            normals.push_back(0);
+            normals.push_back(0);
+            normals.push_back(-1);
+
+
+            P = (180-rings)*M_PI/180.0;
+            T = t*M_PI/180.0;
+            x[1] = sin(P) * cos(T) ;
+            y[1] = sin(P) * sin(T) ;
+            z[1] = cos(P);
+            pos_sphere.push_back(R * x[1]);
+            pos_sphere.push_back(R * y[1]);
+            pos_sphere.push_back(R * z[1]);
+
+
+            normals.push_back(x[1]);
+            normals.push_back(y[1]);
+            normals.push_back(z[1]);
+
+
+            P = (180-rings)*M_PI/180.0;
+            T = (t+sectors)*M_PI/180.0;
+            x[2] = sin(P) * cos(T) ;
+            y[2] = sin(P) * sin(T) ;
+            z[2] = cos(P);
+            pos_sphere.push_back(R * x[2]);
+            pos_sphere.push_back(R * y[2]);
+            pos_sphere.push_back(R * z[2]);
+
+
+            normals.push_back(x[2]);
+            normals.push_back(y[2]);
+            normals.push_back(z[2]);
+
+        }
+        trivial_center.push_back(0.0);trivial_center.push_back(0.0);trivial_center.push_back(0.0);
+    }
+    //The intersection spheres
+    {
+        pos_sphere_inter.resize(0);
+        int rings=3,sectors=3;
+        float T, P, R = 0.005f;
+        float x[4],y[4],z[4];
+
+
+        //Top of the sphere
+        for(int t=0; t<360; t+=sectors)
+        {
+
+            pos_sphere_inter.push_back(0);
+            pos_sphere_inter.push_back(0);
+            pos_sphere_inter.push_back(R);
+
+
+            normals_inter.push_back(0);
+            normals_inter.push_back(0);
+            normals_inter.push_back(1);
+
+
+
+            P = rings*M_PI/180.0;
+            T = t*M_PI/180.0;
+            x[1] = sin(P) * cos(T) ;
+            y[1] = sin(P) * sin(T) ;
+            z[1] = cos(P);
+            pos_sphere_inter.push_back(R * x[1]);
+            pos_sphere_inter.push_back(R * y[1]);
+            pos_sphere_inter.push_back(R * z[1]);
+
+
+            normals_inter.push_back(x[1]);
+            normals_inter.push_back(y[1]);
+            normals_inter.push_back(z[1]);
+
+            //
+            P = rings*M_PI/180.0;
+            T = (t+sectors)*M_PI/180.0;
+            x[2] = sin(P) * cos(T) ;
+            y[2] = sin(P) * sin(T) ;
+            z[2] = cos(P);
+            pos_sphere_inter.push_back(R * x[2]);
+            pos_sphere_inter.push_back(R * y[2]);
+            pos_sphere_inter.push_back(R * z[2]);
+
+            normals_inter.push_back(x[2]);
+            normals_inter.push_back(y[2]);
+            normals_inter.push_back(z[2]);
+
+        }
+
+        //Body of the sphere
+        for (int p=rings; p<180-rings; p+=rings)
+            for(int t=0; t<360; t+=sectors)
+            {
+                //A
+                P = p*M_PI/180.0;
+                T = t*M_PI/180.0;
+                x[0] = sin(P) * cos(T) ;
+                y[0] = sin(P) * sin(T) ;
+                z[0] = cos(P);
+
+                pos_sphere_inter.push_back(R * x[0]);
+                pos_sphere_inter.push_back(R * y[0]);
+                pos_sphere_inter.push_back(R * z[0]);
+
+
+                normals_inter.push_back(x[0]);
+                normals_inter.push_back(y[0]);
+                normals_inter.push_back(z[0]);
+
+                //B
+                P = (p+rings)*M_PI/180.0;
+                T = t*M_PI/180.0;
+                x[1] = sin(P) * cos(T) ;
+                y[1] = sin(P) * sin(T) ;
+                z[1] = cos(P);
+                pos_sphere_inter.push_back(R * x[1]);
+                pos_sphere_inter.push_back(R * y[1]);
+                pos_sphere_inter.push_back(R * z[1]);
+
+
+                normals_inter.push_back(x[1]);
+                normals_inter.push_back(y[1]);
+                normals_inter.push_back(z[1]);
+
+                //C
+                P = p*M_PI/180.0;
+                T = (t+sectors)*M_PI/180.0;
+                x[2] = sin(P) * cos(T) ;
+                y[2] = sin(P) * sin(T) ;
+                z[2] = cos(P);
+                pos_sphere_inter.push_back(R * x[2]);
+                pos_sphere_inter.push_back(R * y[2]);
+                pos_sphere_inter.push_back(R * z[2]);
+
+
+                normals_inter.push_back(x[2]);
+                normals_inter.push_back(y[2]);
+                normals_inter.push_back(z[2]);
+                //D
+                P = (p+rings)*M_PI/180.0;
+                T = (t+sectors)*M_PI/180.0;
+                x[3] = sin(P) * cos(T) ;
+                y[3] = sin(P) * sin(T) ;
+                z[3] = cos(P);
+                pos_sphere_inter.push_back(R * x[3]);
+                pos_sphere_inter.push_back(R * y[3]);
+                pos_sphere_inter.push_back(R * z[3]);
+
+
+                normals_inter.push_back(x[3]);
+                normals_inter.push_back(y[3]);
+                normals_inter.push_back(z[3]);
+
+
+
+                pos_sphere_inter.push_back(R * x[1]);
+                pos_sphere_inter.push_back(R * y[1]);
+                pos_sphere_inter.push_back(R * z[1]);
+
+
+                normals_inter.push_back(x[1]);
+                normals_inter.push_back(y[1]);
+                normals_inter.push_back(z[1]);
+
+                pos_sphere_inter.push_back(R * x[2]);
+                pos_sphere_inter.push_back(R * y[2]);
+                pos_sphere_inter.push_back(R * z[2]);
+
+
+                normals_inter.push_back(x[2]);
+                normals_inter.push_back(y[2]);
+                normals_inter.push_back(z[2]);
+
+            }
+        //Bottom of the sphere
+        for(int t=0; t<360; t+=sectors)
+        {
+
+
+            pos_sphere_inter.push_back(0);
+            pos_sphere_inter.push_back(0);
+            pos_sphere_inter.push_back(-R);
+
+
+            normals_inter.push_back(0);
+            normals_inter.push_back(0);
+            normals_inter.push_back(-1);
+
+
+            P = (180-rings)*M_PI/180.0;
+            T = t*M_PI/180.0;
+            x[1] = sin(P) * cos(T) ;
+            y[1] = sin(P) * sin(T) ;
+            z[1] = cos(P);
+            pos_sphere_inter.push_back(R * x[1]);
+            pos_sphere_inter.push_back(R * y[1]);
+            pos_sphere_inter.push_back(R * z[1]);
+
+
+            normals_inter.push_back(x[1]);
+            normals_inter.push_back(y[1]);
+            normals_inter.push_back(z[1]);
+
+
+            P = (180-rings)*M_PI/180.0;
+            T = (t+sectors)*M_PI/180.0;
+            x[2] = sin(P) * cos(T) ;
+            y[2] = sin(P) * sin(T) ;
+            z[2] = cos(P);
+            pos_sphere_inter.push_back(R * x[2]);
+            pos_sphere_inter.push_back(R * y[2]);
+            pos_sphere_inter.push_back(R * z[2]);
+
+
+            normals_inter.push_back(x[2]);
+            normals_inter.push_back(y[2]);
+            normals_inter.push_back(z[2]);
+
+        }
+    }
+
+
+    //init
+    {
+        pos_points.resize(0);
+        pos_lines.resize(0);
+        // Restore previous viewer state.
+        restoreStateFromFile();
+
+        //random generator of points within a sphere
+        typedef CGAL::Creator_uniform_3<EPIC::FT,EPIC::Point_3>   Creator;
+        CGAL::Random_points_in_sphere_3<EPIC::Point_3, Creator>   gen;
+
+        const unsigned nb_circles=20;
+
+        //vector to store input points
+        std::vector<EPIC::Point_3> points;
+        points.reserve(nb_circles);
+
+
+
+        for (unsigned i=0;i<nb_circles;++i){
+            EPIC::Point_3 p=*++gen;
+            //prevent great circles
+            while (p.x()==0 && p.y()==0 && p.z()==0) {  p=*++gen; }
+
+            const EPIC::Point_3 origin(0,0,0);
+            const EPIC::Plane_3 plane(p, p-origin);
+            EPIC::Vector_3 base1=plane.base1();
+            EPIC::Vector_3 base2=plane.base2();
+            base1=base1/CGAL::sqrt(base1.squared_length());
+            base2=base2/CGAL::sqrt(base2.squared_length());
+            const double radius=CGAL::sqrt( CGAL::to_double( 1 - CGAL::squared_distance(origin,p) ) );
+            const double nb_pt_per_circle=100;
+            const double step=2 * CGAL_PI / nb_pt_per_circle;
+
+            for (double theta = 0; theta < 2 * CGAL_PI-step ; theta += step) {
+                const EPIC::Point_3 a=p + ( radius*cos(theta)*base1 + radius*sin(theta)*base2 );
+                const EPIC::Point_3 b=p + ( radius*cos(theta+step)*base1 + radius*sin(theta+step)*base2 );
+                pos_lines.push_back(a.x());pos_lines.push_back(a.y());pos_lines.push_back(a.z());
+                normals_lines.push_back(a.x());normals_lines.push_back(a.y());normals_lines.push_back(a.z());
+                pos_lines.push_back(b.x());pos_lines.push_back(b.y());pos_lines.push_back(b.z());
+                normals_lines.push_back(b.x());normals_lines.push_back(b.y());normals_lines.push_back(b.z());
+
+            }
+            points.push_back(p);
+
+        }
+
+        std::vector<EPIC::Point_3> intersections;
+        naive_compute_intersection_points(points,std::back_inserter(intersections));
+
+        //draw points as small spheres
+        for (std::vector<EPIC::Point_3>::const_iterator it=intersections.begin();it!=intersections.end();++it){
+            pos_points.push_back(it->x()); pos_points.push_back(it->y()); pos_points.push_back(it->z());
+        }
+
+    }
+}
+
+void Viewer::attrib_buffers(QGLViewer* viewer)
+{
+    QMatrix4x4 mvpMatrix;
+    QMatrix4x4 mvMatrix;
+    double mat[16];
+    viewer->camera()->getModelViewProjectionMatrix(mat);
+    for(int i=0; i < 16; i++)
+    {
+        mvpMatrix.data()[i] = (float)mat[i];
+    }
+    viewer->camera()->getModelViewMatrix(mat);
+    for(int i=0; i < 16; i++)
+    {
+        mvMatrix.data()[i] = (float)mat[i];
+    }
+    // define material
+    QVector4D	ambient(0.1f, 0.1f, 0.1f, 1.0f);
+    QVector4D	diffuse( 0.9f,
+                         0.9f,
+                         0.9f,
+                         0.0f );
+
+    QVector4D	specular(  0.0f,
+                           0.0f,
+                           0.0f,
+                           0.0f );
+
+    QVector4D	position( -1.2f, 1.2f, .9797958971f, 1.0f  );
+    GLfloat shininess =  1.0f;
+
+
+    rendering_program.bind();
+    mvpLocation = rendering_program.uniformLocation("mvp_matrix");
+    mvLocation = rendering_program.uniformLocation("mv_matrix");
+    colorLocation = rendering_program.uniformLocation("color");
+    lightLocation[0] = rendering_program.uniformLocation("light_pos");
+    lightLocation[1] = rendering_program.uniformLocation("light_diff");
+    lightLocation[2] = rendering_program.uniformLocation("light_spec");
+    lightLocation[3] = rendering_program.uniformLocation("light_amb");
+    lightLocation[4] = rendering_program.uniformLocation("spec_power");
+
+    rendering_program.setUniformValue(lightLocation[0], position);
+    rendering_program.setUniformValue(lightLocation[1], diffuse);
+    rendering_program.setUniformValue(lightLocation[2], specular);
+    rendering_program.setUniformValue(lightLocation[3], ambient);
+    rendering_program.setUniformValue(lightLocation[4], shininess);
+    rendering_program.setUniformValue(mvpLocation, mvpMatrix);
+    rendering_program.setUniformValue(mvLocation, mvMatrix);
+
+
+    rendering_program.release();
+
 }
 
 void Viewer::draw()
 {
-  const int sphere_res=30;
-  
-  //draw central sphere
-  ::glPushMatrix();
-  ::glColor3f(1,1,1);
-  ::gluSphere(qsphere,0.999,sphere_res,sphere_res);
-  ::glCallList(dl_nb);
-  ::glCallList(dl_nb+1);
-  ::glPopMatrix();
+    QColor color;
+
+    //sphere
+    vao[0].bind();
+    attrib_buffers(this);
+    rendering_program.bind();
+    color.setRgbF(1.0f, 1.0f, 1.0f);
+    rendering_program.setUniformValue(colorLocation, color);
+    glDrawArraysInstanced(GL_TRIANGLES, 0, static_cast<GLsizei>(pos_sphere.size()/3), 1);
+    rendering_program.release();
+    vao[0].release();
+
+    //intersection
+    vao[2].bind();
+    attrib_buffers(this);
+    rendering_program.bind();
+    color.setRgbF(0.0f, 1.0f, 0.0f);
+    rendering_program.setUniformValue(colorLocation, color);
+    glDrawArraysInstanced(GL_TRIANGLES, 0, static_cast<GLsizei>(pos_sphere_inter.size()/3), static_cast<GLsizei>(pos_points.size()/3));
+    rendering_program.release();
+    vao[2].release();
+
+    //circles
+
+    vao[1].bind();
+    attrib_buffers(this);
+    rendering_program.bind();
+    color.setRgbF(1.0f, 0.0f, 0.0f);
+    rendering_program.setUniformValue(colorLocation, color);
+    glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(pos_lines.size()/3));
+    rendering_program.release();
+    vao[1].release();
+
+
 }
 
 void Viewer::init()
 {
-  // Restore previous viewer state.
-  restoreStateFromFile();
-  
-  //init quadric to store sphere.
-  qsphere=gluNewQuadric();
-  gluQuadricOrientation(qsphere,GLU_OUTSIDE);
-  
-  //code for antialiasing
-  ::glEnable(GL_BLEND);
-  ::glEnable(GL_LINE_SMOOTH);
-  ::glEnable(GL_POINT_SMOOTH);
-  ::glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
-  ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  
+    compile_shaders();
+    compute_elements();
+    initialize_buffers();
+    ::glEnable(GL_BLEND);
 
-  //set intersection point size
-  ::glPointSize(5);
-  
-  //random generator of points within a sphere
-  typedef CGAL::Creator_uniform_3<EPIC::FT,EPIC::Point_3>   Creator;
-  CGAL::Random_points_in_sphere_3<EPIC::Point_3, Creator>   gen;
-  
-  const unsigned nb_circles=20;
-  
-  //vector to store input points
-  std::vector<EPIC::Point_3> points;
-  points.reserve(nb_circles);
-  
-  //disable lighting before drawing segments and points
-  ::glEnable(GL_LIGHTING);
-  
-  //init call lists
-  dl_nb=::glGenLists(2);
-  
-  //store circles in a display list
-  ::glNewList(dl_nb,GL_COMPILE);
-  ::glColor3f(1,0,0);
-  
-  for (unsigned i=0;i<nb_circles;++i){
-    EPIC::Point_3 p=*++gen;
-    //prevent great circles
-    while (p.x()==0 && p.y()==0 && p.z()==0) {  p=*++gen; }
-    draw_circle_on_unit_sphere(p);
-    points.push_back(p);
-  }
-  ::glEndList();
-  
-  std::vector<EPIC::Point_3> intersections;
-  naive_compute_intersection_points(points,std::back_inserter(intersections));
+    ::glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
+    ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glEnable(GL_POINT_SMOOTH);
+    glEnable(GL_LINE_SMOOTH);
 
-  ::glNewList(dl_nb+1,GL_COMPILE);
-  ::glColor3f(0,1,0);
-  //draw points as small spheres
-  for (std::vector<EPIC::Point_3>::const_iterator it=intersections.begin();it!=intersections.end();++it){
-    glPushMatrix();
-    glTranslatef(it->x(),it->y(),it->z());
-    gluSphere(qsphere,0.005,10,10);
-    glPopMatrix();    
-  }
-  ::glEndList();
-  
-  //lighting
-  ::glEnable(GL_LIGHT0);
-  ::glEnable(GL_LIGHTING);
-  float lpos[4] = { -.2f, .2f, .9797958971f, 0.0f };
-  ::glLightfv(GL_LIGHT0,GL_POSITION,lpos);
-  ::glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1.0f);
-
-  ::glEnable(GL_NORMALIZE);
-  ::glShadeModel(GL_SMOOTH);
 }
 
-
 template<class Output_iterator>
 void Viewer::naive_compute_intersection_points(const std::vector<EPIC::Point_3>& points,Output_iterator out) const {
-  typedef CGAL::Exact_spherical_kernel_3 SK;
-  SK::Sphere_3 sphere(SK::Point_3(0,0,0),1);
-  
-  //converter point to exact SK point type
-  CGAL::Cartesian_converter<EPIC,SK> to_exact;
-  std::vector<SK::Circle_3> circles;
-  
-  //create circles from points: need to use a converter to change floating points coordinates into an exact NT.
-  for (std::vector<EPIC::Point_3>::const_iterator it=points.begin();it!=points.end();++it){
-    const SK::Point_3 center=to_exact(*it);
-    circles.push_back( SK::Circle_3(sphere,SK::Plane_3(center,center-CGAL::ORIGIN) ) );
-  }
-  
-  
-  //Look for intersection points among pair of circles: use a naive and quadratic way
-  for (std::vector<SK::Circle_3>::const_iterator it_f=circles.begin();it_f!=--circles.end();++it_f){
-    std::vector<SK::Circle_3>::const_iterator it_s=it_f;
-    ++it_s;
-    for (;it_s!=circles.end();++it_s){
-      std::vector <CGAL::Object> intersections;
-      //ensure_circles are different
-      CGAL_precondition(*it_s!=*it_f);
-      CGAL::intersection(*it_f,*it_s,std::back_inserter(intersections));
-      if (!intersections.empty()){
-        for (std::vector <CGAL::Object>::const_iterator it_pt=intersections.begin();it_pt!=intersections.end();++it_pt){
-          const std::pair<SK::Circular_arc_point_3,unsigned>* pt=
-            CGAL::object_cast< std::pair<SK::Circular_arc_point_3,unsigned> > (&(*it_pt));
-          assert(pt!=NULL);
-          *out++=EPIC::Point_3( CGAL::to_double(pt->first.x()),
-                                CGAL::to_double(pt->first.y()),
-                                CGAL::to_double(pt->first.z()) 
-          );
-        }
-      }
+    typedef CGAL::Exact_spherical_kernel_3 SK;
+    SK::Sphere_3 sphere(SK::Point_3(0,0,0),1);
+
+    //converter point to exact SK point type
+    CGAL::Cartesian_converter<EPIC,SK> to_exact;
+    std::vector<SK::Circle_3> circles;
+
+    //create circles from points: need to use a converter to change floating points coordinates into an exact NT.
+    for (std::vector<EPIC::Point_3>::const_iterator it=points.begin();it!=points.end();++it){
+        const SK::Point_3 center=to_exact(*it);
+        circles.push_back( SK::Circle_3(sphere,SK::Plane_3(center,center-CGAL::ORIGIN) ) );
+    }
+
+
+    //Look for intersection points among pair of circles: use a naive and quadratic way
+    for (std::vector<SK::Circle_3>::const_iterator it_f=circles.begin();it_f!=--circles.end();++it_f){
+        std::vector<SK::Circle_3>::const_iterator it_s=it_f;
+        ++it_s;
+        for (;it_s!=circles.end();++it_s){
+            std::vector <CGAL::Object> intersections;
+            //ensure_circles are different
+            CGAL_precondition(*it_s!=*it_f);
+            CGAL::intersection(*it_f,*it_s,std::back_inserter(intersections));
+            if (!intersections.empty()){
+                for (std::vector <CGAL::Object>::const_iterator it_pt=intersections.begin();it_pt!=intersections.end();++it_pt){
+                    const std::pair<SK::Circular_arc_point_3,unsigned>* pt=
+                            CGAL::object_cast< std::pair<SK::Circular_arc_point_3,unsigned> > (&(*it_pt));
+                    assert(pt!=NULL);
+                    *out++=EPIC::Point_3( CGAL::to_double(pt->first.x()),
+                                          CGAL::to_double(pt->first.y()),
+                                          CGAL::to_double(pt->first.z())
+                                          );
+                }
+            }
+        }
     }
-  }
 }

Circular_kernel_3/demo/Circular_kernel_3/Viewer.h

@@ -1,18 +1,52 @@
 #include <QGLViewer/qglviewer.h>
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
-#include <CGAL/glu.h>
+
+#include <QOpenGLFunctions_3_3_Core>
+#include <QOpenGLVertexArrayObject>
+#include <QOpenGLBuffer>
+#include <QOpenGLShaderProgram>
 
 typedef CGAL::Exact_predicates_inexact_constructions_kernel EPIC;
 
-class Viewer : public QGLViewer
+class Viewer : public QGLViewer, QOpenGLFunctions_3_3_Core
 {
-  GLUquadricObj *qsphere;
+public:
+    Viewer(QWidget* parent = 0);
   GLuint dl_nb;
 protected :
   virtual void draw();
   virtual void init();
-  template <class Kernel>
-  void draw_circle_on_unit_sphere(const typename CGAL::Point_3<Kernel>&) const;
   template<class Output_iterator>
   void naive_compute_intersection_points(const std::vector<EPIC::Point_3>&,Output_iterator) const;
+private:
+  //Shaders elements
+
+  int vertexLocation[3];
+  int normalsLocation[3];
+  int centerLocation;
+  int trivialCenterLocation;
+  int mvpLocation;
+  int mvLocation;
+  int colorLocation;
+  int lightLocation[5];
+
+
+  std::vector<float> pos_points;
+  std::vector<float> pos_lines;
+  std::vector<float> pos_sphere;
+  std::vector<float> pos_sphere_inter;
+  std::vector<float> normals;
+  std::vector<float> normals_inter;
+  std::vector<float> trivial_center;
+  std::vector<float> normals_lines;
+
+  QOpenGLBuffer buffers[9];
+  QOpenGLVertexArrayObject vao[3];
+  QOpenGLShaderProgram rendering_program;
+
+  void initialize_buffers();
+  void compute_elements();
+  void attrib_buffers(QGLViewer*);
+  void compile_shaders();
+
 };

Convex_decomposition_3/demo/Convex_decomposition_3/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( Convex_decomposition_3 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND QT3_FOUND AND CGAL_Qt3_FOUND)

Convex_hull_2/demo/Convex_hull_2/CMakeLists.txt

@@ -2,11 +2,9 @@
 
 project( convex_hull_2 ) 
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL COMPONENTS Qt3 )
@@ -14,7 +12,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

Convex_hull_3/demo/Convex_hull_3/CMakeLists.txt

@@ -4,11 +4,9 @@
 
 project( Convex_hull_3_Demo )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL QUIET COMPONENTS Core )

Documentation/doc/Documentation/Installation.txt

@@ -66,10 +66,10 @@ For instance, use macports in the following way:
 sudo port install cgal
 </PRE>
 
-or if Qt4 demos are desired
+or if Qt5 are desired
 
 <PRE>
-sudo port install cgal +qt4 +universal +demos
+sudo port install cgal +qt5 +universal +demos
 </PRE>
 
 The setup is similar for <a href="http://mxcl.github.com/homebrew/"><tt>homebrew</tt></a> .
@@ -167,9 +167,7 @@ In order to build the \cgal libraries, you need a \cpp compiler.
 In order to configure, build, and install the \cgal libraries, examples and
 demos, you need CMake, a cross-platform "makefile generator".
 If CMake is not installed already you can obtain it from <A HREF="http://www.cmake.org/">`http://www.cmake.org/`</A>.
-CMake version 2.6.3 or higher is required. On Windows, CMake 
-version 2.8.6 or higher is required, for a proper support of DLL's
-generation.
+CMake version 2.8.11 or higher is required.
 This manual explains only those features of
 CMake which are needed in order to build \cgal. Please refer to the 
 CMake documentation at <A HREF="http://www.cmake.org/">`http://www.cmake.org/`</A> for further details.
@@ -185,8 +183,7 @@ Visual \cpp solution and project file that you can use to build \cgal.
 \subsection installation_configuring_gui Configuring CGAL with the CMake GUI
 
 The simplest way to start the configuration is to run the graphical
-user interface of CMake. We recommend to use `cmake-gui`. It
-is available on many platforms as of CMake version 2.6. You must pass as 
+user interface of CMake. We recommend to use `cmake-gui`. You must pass as 
 argument the root directory of \cgal. For example:
 
 <PRE>
@@ -298,8 +295,7 @@ We next list the libraries and essential 3rd party software
 | `CGAL_Core` | `WITH_CGAL_Core`  | The CORE library for algebraic numbers.\cgalFootnote{CGAL_Core is not part of \cgal, but a custom version of the \sc{Core} library distributed by \cgal for the user convenience and it has it's own license.}  | \sc{Gmp} and \sc{Mpfr} |
 | `CGAL_ImageIO` | `WITH_CGAL_ImageIO` | Utilities to read and write image files  | \sc{OpenGL}, \sc{zlib}, \sc{Vtk}(optional) |
 | `CGAL_Qt3`  | `WITH_CGAL_Qt3` | `CGAL::Qt_widget` used by \sc{Qt}3-based demos  | \sc{Qt}3 and \sc{OpenGL}  |
-| `CGAL_Qt4`  | `WITH_CGAL_Qt4` | `QGraphicsView` support for \sc{Qt}4-based demos | \sc{Qt}4 and \sc{OpenGL} |
-
+| `CGAL_Qt5`  | `WITH_CGAL_Qt5` | `QGraphicsView` support for \sc{Qt}5-based demos | \sc{Qt}5 and \sc{OpenGL} |
 
 \subsection installation_debug Debug vs. Release
 
@@ -333,7 +329,7 @@ see \ref sec3partysoftwareconfig to specify the location of 3rd
 party software.
 
 The libraries \stl (shipped with any compiler) and \sc{Boost} are essential to all components (i.e.\ libCGAL,
-libCGAL_Core, libCGAL_ImageIO, libCGAL_Qt3 and libCGAL_Qt4).
+libCGAL_Core, libCGAL_ImageIO, libCGAL_Qt3 and libCGAL_Qt5).
 
 \subsection thirdpartystl Standard Template Library (STL) 
 
@@ -375,7 +371,7 @@ As on Windows there is no canonical directory for where to find
 
 \subsection thirdpartyMPFR GMP and MPFR
 
-The components libCGAL, libCGAL_Core, libCGAL_Qt3 and libCGAL_Qt4 require 
+The components libCGAL, libCGAL_Core, libCGAL_Qt3 and libCGAL_Qt5 require 
 \sc{Gmp} and \sc{Mpfr} which are libraries for multi precision integers and rational numbers,
 and for multi precision floating point numbers.
 
@@ -407,25 +403,25 @@ for instance, on Windows, you can download it from <A HREF="http://www.zlib.net/
 \sc{OpenGL} (Open Graphics Library) provides an API for applications that
 produce 2D and 3D computer graphics.
 
-In \cgal the library is essential for the components libCGAL_Qt3 and
-libCGAL_Qt4, as well as libCGAL_ImageIO and for various demos.
+In \cgal the library is essential for the components libCGAL_Qt3
+and libCGAL_Qt5, as well as libCGAL_ImageIO and for various demos.
 
 Typically, \sc{OpenGL} is preinstalled on systems; if not, it can be
 downloaded from <A HREF="http://www.opengl.org/">`http://www.opengl.org/`</A>.
 
-\subsection thirdpartyQt Qt3 and Qt4
+\subsection thirdpartyQt Qt3 and Qt5
 
 Qt is a cross-platform application and UI framework.
 
 The component libCGAL_Qt3 requires \sc{Qt}3 installed on your system, while
-the component libCGAL_Qt4 requires \sc{Qt}4 installed on your system. 
+the component libCGAL_Qt5 requires \sc{Qt}5 installed on your system. 
 In case \sc{Qt} is not yet installed on your system, you can download 
 it from <A HREF="http://qt-project.org/">`http://qt-project.org/`</A>.
 
 Older demos of \cgal use libCGAL_Qt3 and \sc{Qt}3, while newer and newly
-developed demos require libCGAL_Qt4 and \sc{Qt}4.
+developed demos require libCGAL_Qt5 and \sc{Qt}5.
 
-Having \sc{Qt}4 version 4.3.0 or higher is recommended.
+Having \sc{Qt}4 version 4.3.0 or higher or \sc{Qt}5 version 5.3.0 is recommended.
 
 \section installation_examples CGAL Examples and Demos
 
@@ -510,7 +506,7 @@ The \sc{Eigen} web site is <A HREF="http://eigen.tuxfamily.org">`http://eigen.tu
 
 \subsection thirdpartylibQGLViewer libQGLViewer 
 
-libQGLViewer is a 3D widget based on \sc{Qt} 4's `QGLWidget`.
+libQGLViewer is a 3D widget based on \sc{Qt} 4's `QGLWidget`. In case of \sc{Qt}5 used, libQGLViewer needs to be recompiled with the proper \sc{Qt}5 version.
 
 In \cgal some 3D demos are based on libQGLViewer.
 
@@ -673,6 +669,8 @@ cmake -DWITH_examples=OFF -DWITH_demos=OFF -DCMAKE_BUILD_TYPE=Release
 /path/to/unpacked/CGAL-tarball/
 </PRE>
 
+\todo update the output of cmake
+
 <PRE>
 -- The CXX compiler identification is GNU
 -- The C compiler identification is GNU
@@ -966,8 +964,8 @@ If the parameter is not given, the script creates <B>one executable for each giv
 source file</B>.
 <DT><B>`-c com1:com2:...`</B><DD> Lists components ("com1",
 "com2") of \cgal to which the executable(s) should be linked. Valid components are \cgal's
-libraries (i.e.\ "Core", "ImageIO", "Qt3" and "Qt4"; note
-that it only make sense to either pick "Qt3" or "Qt4") and all
+libraries (i.e.\ "Core", "ImageIO", "Qt3" and "Qt5"; note
+that it only make sense to either pick "Qt3" or "Qt5") and all
 preconfigured 3rd party software, such as "MPFI", "RS3"). An example is `-c Core:GMP:RS3:MPFI`
 
 <DT><B>`-b boost1:boost2:...`</B><DD> Lists components ("boost1",
@@ -1001,8 +999,8 @@ this file within a CMake script sets up include paths and libraries to
 link with \cgal and essential third party libraries. Beyond,
 `find_package` can demand for `COMPONENTS` of \cgal,
 that is, all \cgal libraries `libCGAL_Core` (<i>Core</i>),
-libCGAL_ImageIO (<i>ImageIO</i>) , libCGAL_Qt3 (<i>Qt3</i>) and libCGAL_Qt4
-(<i>Qt4</i>) or optional 3rd party software such as <i>MPFI</i>, <i>RS3</i>.
+libCGAL_ImageIO (<i>ImageIO</i>) , libCGAL_Qt3 (<i>Qt3</i>) and libCGAL_Qt5
+(<i>Qt5</i>) or optional 3rd party software such as <i>MPFI</i>, <i>RS3</i>.
 A user is free to create the `CMakeLists.txt`
 without calling the script (manual creation).
 
@@ -1060,7 +1058,7 @@ configure and build. Their values can be ON or OFF.
 | `WITH_demos`        | OFF   |
 | `WITH_CGAL_Core`    | ON    |
 | `WITH_CGAL_Qt3`     | ON    |
-| `WITH_CGAL_Qt4`     | ON    |
+| `WITH_CGAL_Qt5`     | ON    |
 | `WITH_CGAL_ImageIO` | ON    |
 
 \subsection installation_flags Compiler and Linker Flags
@@ -1213,26 +1211,11 @@ the header files and the full pathnames of the \sc{Qt}3 libraries.
 | `QT3_UIC_EXECUTABLE`  | Full pathname to the uic executable of \sc{Qt}3 | CMake |
 
 
+\subsection installation_qt5 Qt5 Library
 
-\subsection installation_qt4 Qt4 Library
-
-The CMake scripts that search for \sc{Qt}4 can use the introspection feature
-of the tool `qmake` included in \sc{Qt}4 distributions. If \sc{Qt}4 is not
-automatically found, it is sufficient to set the `PATH`
-environment variable, so that \sc{Qt}4 `qmake` tool is in the path, and
-before \sc{Qt}3 `qmake` if that one exists. One can alternatively set the
-CMake variable `QT_QMAKE_EXECUTABLE`. The following variables
-should be then assigned automatically by CMake.
-
-| Variable              | Description           | Type        |
-| :-                    | :-                    | :-             |
-| `QT_INCLUDE_DIR`      | Directory containing the `QtCore/qglobal.h` file  | CMake |
-|`QT_LIBRARY_DIR`       | Directory containing the compiled \sc{Qt}4 libraries | CMake |
-| `QT_(xyz)_LIBRARY`    | Full pathname to the compiled 'xyz' \sc{Qt}4 library\cgalFootnote{If both release and debug versions are available, this variable contains a list of the following form: 'optimized;<fullpath-to-release-lib>;debug;<fullpath-to-debug-lib>', where the 'optimized' and 'debug' tags should appear verbatim.} | CMake |
-| `QT_QMAKE_EXECUTABLE` | Full pathname to the qmake executable of \sc{Qt}4 | CMake |
-| `QT_MOC_EXECUTABLE`   | Full pathname to the moc executable of \sc{Qt}4 | CMake |
-| `QT_UIC_EXECUTABLE`   | Full pathname to the uic executable of \sc{Qt}4 | CMake |
-
+You must set the cmake or environment variable `Qt5_DIR` to point to the path
+to the directory containing the file `Qt5Config.cmake` created by your \sc{Qt}5 installation. If you are
+using the open source edition it should be `<path>/qt-everywhere-opensource-src-<version>/qtbase/lib/cmake/Qt5`.
 
 \subsection installation_leda LEDA Library
 

Envelope_3/demo/Envelope_3/CMakeLists.txt

@@ -4,11 +4,9 @@
 
 project( Envelope_3_demo )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL QUIET COMPONENTS Core Qt3 )
@@ -19,7 +17,7 @@ if ( CGAL_FOUND )
   
   find_package(Qt3-patched QUIET )
   # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-  # that it can be used together with FindQt4: all its variables are prefixed
+  # that it can be used together with Qt5: all its variables are prefixed
   # by "QT3_" instead of "QT_".
   
   if(CGAL_Qt3_FOUND AND QT3_FOUND AND CGAL_Core_FOUND)

Filtered_kernel/benchmark/Filtered_kernel/CMakeLists.txt

@@ -4,12 +4,8 @@
 
 project( Filtered_kernel_test )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 add_executable(bench_simple_comparisons bench_simple_comparisons.cpp)
 

Generator/benchmark/Generator/CMakeLists.txt

@@ -4,12 +4,8 @@
 
 project( Generator_example )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
-endif()
+cmake_minimum_required(VERSION 2.8.11)
+
 
 find_package(CGAL QUIET COMPONENTS Core )
 

Generator/demo/Generator/qt3/CMakeLists.txt

@@ -9,7 +9,7 @@ include( ${CGAL_USE_FILE} )
 
 find_package(Qt3-patched)
 # FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
-# that it can be used together with FindQt4: all its variables are prefixed
+# that it can be used together with Qt5: all its variables are prefixed
 # by "QT3_" instead of "QT_".
 
 if ( CGAL_FOUND AND CGAL_Qt3_FOUND AND QT3_FOUND )

Geomview/demo/Geomview/CMakeLists.txt

@@ -4,11 +4,9 @@
 
 project( Geomview_Demo )
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
 find_package(CGAL QUIET COMPONENTS Core )

GraphicsView/TODO

@@ -8,4 +8,4 @@ Shift: pour // aux axes.
 
 Affichage du (x,y) par rapport à l'origine de l'objet en cours.
 
-Integrer src/CGALQt4 dans le build process de CGAL, avec CMake.
+Integrer src/CGALQt5 dans le build process de CGAL, avec CMake.

GraphicsView/demo/Alpha_shapes_2/Alpha_shapes_2.cpp

@@ -186,7 +186,7 @@ void MainWindow::alphaChanged(int i)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -211,8 +211,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   Iso_rectangle_2 isor = convert(rect);
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     100,
@@ -299,9 +300,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Alpha_shape_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Alpha_shapes_2/CMakeLists.txt

@@ -3,47 +3,39 @@
 
 project (Alpha_shapes_2_demo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
-
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
 
 #--------------------------------
 # The "Delaunay" demo: Alpha_shapes_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Alpha_shapes_2.ui )
+qt5_wrap_ui( DT_UI_FILES Alpha_shapes_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Alpha_shapes_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Alpha_shapes_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( Alpha_shapes_2.cpp Alpha_shapes_2.moc )
+qt5_generate_moc( Alpha_shapes_2.cpp Alpha_shapes_2.moc )
 
 # The executable itself.
 add_executable  ( Alpha_shapes_2 Alpha_shapes_2.cpp Alpha_shapes_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Alpha_shapes_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Alpha_shapes_2 )
 
 # Link with Qt libraries
@@ -53,6 +45,6 @@ target_link_libraries( Alpha_shapes_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARI
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Apollonius_graph_2/Apollonius_graph_2.cpp

@@ -151,7 +151,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -176,15 +176,16 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
-			     100,
-			     0,
-			     (std::numeric_limits<int>::max)(),
-			     1,
-			     &ok);
+							 100,
+							 0,
+							(std::numeric_limits<int>::max)(),
+							1,
+							&ok);
 
   if(!ok) {
     return;
@@ -282,9 +283,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Apollonius_graph_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Apollonius_graph_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Apollonius_graph_2/CMakeLists.txt

@@ -3,45 +3,37 @@
 
 project (Apollonius_graph_2_demo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
-
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
 
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Apollonius_graph_2.ui )
+qt5_wrap_ui( DT_UI_FILES Apollonius_graph_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Apollonius_graph_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Apollonius_graph_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( Apollonius_graph_2.cpp Apollonius_graph_2.moc )
+qt5_generate_moc( Apollonius_graph_2.cpp Apollonius_graph_2.moc )
 
 # The executable itself.
 add_executable  ( Apollonius_graph_2 Apollonius_graph_2.cpp Apollonius_graph_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Apollonius_graph_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Apollonius_graph_2 )
 
 # Link with Qt libraries
@@ -51,6 +43,6 @@ target_link_libraries( Apollonius_graph_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIB
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Bounding_volumes/Bounding_volumes.cpp

@@ -350,7 +350,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -435,8 +435,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   Iso_rectangle_2 isor = convert(rect);
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     100,
@@ -539,9 +540,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Bounding_volumes demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Bounding_volumes/CMakeLists.txt

@@ -3,49 +3,42 @@
 
 project (Bounding_volumes)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
 include_directories (BEFORE ../../../Matrix_search/include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
 
 #----------------------------------------------
 # The "Bounding volumes" demo: Bounding_volumes
 #----------------------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Bounding_volumes.ui )
+qt5_wrap_ui( DT_UI_FILES Bounding_volumes.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Bounding_volumes.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Bounding_volumes.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Bounding_volumes.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Bounding_volumes.moc" )
+qt5_generate_moc( "Bounding_volumes.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Bounding_volumes.moc" )
 
 # The executable itself.
 add_executable  ( Bounding_volumes Bounding_volumes.cpp Bounding_volumes.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Bounding_volumes Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Bounding_volumes )
 
 # Link with Qt libraries
@@ -55,6 +48,6 @@ target_link_libraries( Bounding_volumes ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRA
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Circular_kernel_2/CMakeLists.txt

@@ -3,46 +3,42 @@
 
 project (Circular_kernel_2)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
 
 
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
   add_definitions(-DQT_NO_KEYWORDS)
-  include(${QT_USE_FILE})
+  
 
   #--------------------------------
   # The demo: Circular_kernel_2
   #--------------------------------
   # UI files (Qt Designer files)
-  qt4_wrap_ui( DT_UI_FILES Circular_kernel_2.ui )
+  qt5_wrap_ui( DT_UI_FILES Circular_kernel_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( DT_RESOURCE_FILES ./Circular_kernel_2.qrc )
+  qt5_add_resources ( DT_RESOURCE_FILES ./Circular_kernel_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( "Circular_kernel_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Circular_kernel_2.moc" )
+  qt5_generate_moc( "Circular_kernel_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Circular_kernel_2.moc" )
 
   # The executable itself.
   add_executable  ( Circular_kernel_2 Circular_kernel_2.cpp Circular_kernel_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+  qt5_use_modules(Circular_kernel_2 Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Circular_kernel_2 )
 
   # Link with Qt libraries
@@ -52,6 +48,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Circular_kernel_2/Circular_kernel_2.cpp

@@ -181,7 +181,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -287,9 +287,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Circular_kernel_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Generator/CMakeLists.txt

@@ -3,44 +3,39 @@
 
 project (GeneratorDemo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
+
   add_definitions(-DQT_NO_KEYWORDS)
-  include(${QT_USE_FILE})
   #--------------------------------
   # Demo: Generator_2
   #--------------------------------
   # UI files (Qt Designer files)
-  qt4_wrap_ui( DT_UI_FILES Generator_2.ui )
+  qt5_wrap_ui( DT_UI_FILES Generator_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( DT_RESOURCE_FILES ./Generator_2.qrc )
+  qt5_add_resources ( DT_RESOURCE_FILES ./Generator_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( "Generator_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Generator_2.moc" )
+  qt5_generate_moc( "Generator_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Generator_2.moc" )
 
   # The executable itself.
   add_executable  ( Generator_2 Generator_2.cpp Generator_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+  qt5_use_modules(Generator_2 Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Generator_2 )
 
   # Link with Qt libraries
@@ -50,6 +45,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Generator/Generator_2.cpp

@@ -13,6 +13,7 @@
 // Qt headers
 #include <QtGui>
 #include <QString>
+#include <QInputDialog>
 #include <QFileDialog>
 #include <QGraphicsLineItem>
 
@@ -65,8 +66,9 @@ private:
 
     G pg(radius);
     bool ok = false;
-    const int number_of_points = 
-      QInputDialog::getInteger(this, 
+
+  const int number_of_points = 
+      QInputDialog::getInt(this, 
                                tr("Number of random points"),
                                tr("Enter number of random points"),
                                100,
@@ -170,7 +172,7 @@ MainWindow::MainWindow()
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -283,7 +285,7 @@ MainWindow::on_actionGeneratePolytopeInDisc_triggered()
     //G pg(radius);
     bool ok = false;
     const int number_of_points =
-    QInputDialog::getInteger(this,
+    QInputDialog::getInt(this,
                              tr("Number of random points in the disc"),
                              tr("Enter number of random points.\nThe polytope will be the convex hull of these points."),
                              100,
@@ -336,9 +338,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Generator_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Generator_2);
 
   MainWindow mainWindow;

GraphicsView/demo/GraphicsView/CMakeLists.txt

@@ -2,34 +2,25 @@
 
 project (GraphicsView)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-find_package(Qt4)
-
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
   add_definitions(-DQT_NO_KEYWORDS)
 
-  include(${QT_USE_FILE})
-
-
   add_executable  ( min min.cpp )
 
+  qt5_use_modules(min Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS min )
 
   # Link with Qt libraries
@@ -39,6 +30,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/GraphicsView/min.cpp

@@ -4,6 +4,9 @@
 #include <CGAL/Qt/GraphicsViewNavigation.h>
 #include <QLineF>
 #include <QRectF>
+#include <QApplication> 
+#include <QGraphicsScene>
+#include <QGraphicsView> 
 
 int main(int argc, char **argv)
 {

GraphicsView/demo/L1_Voronoi_diagram_2/CMakeLists.txt

@@ -3,48 +3,41 @@
 
 project (L1_voronoi_diagram_2)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
 
 #--------------------------------
 # The "L1 Voronoi diagram" demo: L1_voronoi_diagram_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES L1_voronoi_diagram_2.ui )
+qt5_wrap_ui( DT_UI_FILES L1_voronoi_diagram_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./L1_voronoi_diagram_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./L1_voronoi_diagram_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( L1_voronoi_diagram_2.cpp L1_voronoi_diagram_2.moc )
+qt5_generate_moc( L1_voronoi_diagram_2.cpp L1_voronoi_diagram_2.moc )
 
 # The executable itself.
 add_executable  ( L1_voronoi_diagram_2 L1_voronoi_diagram_2.cpp L1_voronoi_diagram_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(L1_voronoi_diagram_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS L1_voronoi_diagram_2 )
 
 # Link with Qt libraries
@@ -54,6 +47,6 @@ target_link_libraries( L1_voronoi_diagram_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_L
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/L1_Voronoi_diagram_2/L1_voronoi_diagram_2.cpp

@@ -213,7 +213,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -245,8 +245,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   Iso_rectangle_2 isor = convert(rect);
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     100,
@@ -385,9 +386,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("L1 Voronoi diagram_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
+
   MainWindow mainWindow;
   mainWindow.show();
   return app.exec();

GraphicsView/demo/Largest_empty_rect_2/CMakeLists.txt

@@ -3,46 +3,40 @@
 
 project (Largest_empty_rectangleDemo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
   add_definitions(-DQT_NO_KEYWORDS)
-
-  include(${QT_USE_FILE})
+  
   #--------------------------------
   # Demo: Largest_empty_rectangle_2
   #--------------------------------
   # UI files (Qt Designer files)
-  qt4_wrap_ui( DT_UI_FILES Largest_empty_rectangle_2.ui )
+  qt5_wrap_ui( DT_UI_FILES Largest_empty_rectangle_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( DT_RESOURCE_FILES ./Largest_empty_rectangle_2.qrc )
+  qt5_add_resources ( DT_RESOURCE_FILES ./Largest_empty_rectangle_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( Largest_empty_rectangle_2.cpp Largest_empty_rectangle_2.moc )
+  qt5_generate_moc( Largest_empty_rectangle_2.cpp Largest_empty_rectangle_2.moc )
 
   # The executable itself.
   add_executable  ( Largest_empty_rectangle_2 Largest_empty_rectangle_2.cpp Largest_empty_rectangle_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+  qt5_use_modules(Largest_empty_rectangle_2 Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Largest_empty_rectangle_2 )
 
   # Link with Qt libraries
@@ -52,6 +46,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Largest_empty_rect_2/Largest_empty_rectangle_2.cpp

@@ -8,6 +8,7 @@
 #include <QtGui>
 #include <QString>
 #include <QFileDialog>
+#include <QInputDialog>
 #include <QGraphicsRectItem>
 #include <QGraphicsLineItem>
 
@@ -60,8 +61,9 @@ private:
 
     G pg(radius);
     bool ok = false;
+
     const int number_of_points = 
-      QInputDialog::getInteger(this, 
+      QInputDialog::getInt(this, 
                                tr("Number of random points"),
                                tr("Enter number of random points"),
                                100,
@@ -183,7 +185,7 @@ MainWindow::MainWindow()
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -275,9 +277,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Largest_empty_rectangle_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Largest_empty_rectangle_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Periodic_2_triangulation_2/CMakeLists.txt

@@ -1,43 +1,36 @@
-cmake_minimum_required(VERSION 2.4.5)
-
 project (Periodic_2_Triangulation_2_demo)
 
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
-
-if ( COMMAND cmake_policy )
-  cmake_policy( SET CMP0003 NEW )
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4 REQUIRED)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
 
 
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../../include)
 include_directories (BEFORE ./include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
+
 
 #--------------------------------
 # The "2D Periodic triangulation" demo: Periodic_2_triangulation_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Periodic_2_triangulation_2.ui )
+qt5_wrap_ui( DT_UI_FILES Periodic_2_triangulation_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Periodic_2_triangulation_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Periodic_2_triangulation_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( Periodic_2_Delaunay_triangulation_2.cpp Periodic_2_triangulation_2.moc )
+qt5_generate_moc( Periodic_2_Delaunay_triangulation_2.cpp Periodic_2_triangulation_2.moc )
 
 # find header files for projects that can show them
 file(GLOB headers "*.h")
@@ -53,6 +46,8 @@ add_executable  ( Periodic_2_Delaunay_triangulation_2
   ${DT_UI_FILES} ${DT_RESOURCE_FILES} 
   ${headers} ${QT_headers} ${P2T2_headers})
 
+qt5_use_modules( Periodic_2_Delaunay_triangulation_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Periodic_2_Delaunay_triangulation_2 )
 
 # Link with Qt libraries
@@ -61,6 +56,6 @@ target_link_libraries( Periodic_2_Delaunay_triangulation_2 ${QT_LIBRARIES} )
 target_link_libraries( Periodic_2_Delaunay_triangulation_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES})
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Periodic_2_triangulation_2/Periodic_2_Delaunay_triangulation_2.cpp

@@ -216,7 +216,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -294,8 +294,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((triang.domain().min)(),
                                                      (triang.domain().max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     250,
@@ -442,9 +443,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("Nico Kruithof");
   app.setApplicationName("Periodic_2_Delaunay_triangulation_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Polygon/CMakeLists.txt

@@ -3,27 +3,20 @@
 
 project (GraphicsView)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4 Core)
+find_package(CGAL COMPONENTS Qt5 Core)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-#find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
   add_definitions(-DQT_NO_KEYWORDS)
 
@@ -31,18 +24,17 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
     add_definitions(-DCGAL_USE_CORE)
   endif()
 
-  include(${QT_USE_FILE})
   #--------------------------------
   # Demo: Polygon_2
   #--------------------------------
   # UI files (Qt Designer files)
-  qt4_wrap_ui( DT_UI_FILES Polygon_2.ui )
+  qt5_wrap_ui( DT_UI_FILES Polygon_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( DT_RESOURCE_FILES ./Polygon_2.qrc )
+  qt5_add_resources ( DT_RESOURCE_FILES ./Polygon_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( Polygon_2.cpp "${CMAKE_CURRENT_BINARY_DIR}/Polygon_2.moc" )
+  qt5_generate_moc( Polygon_2.cpp "${CMAKE_CURRENT_BINARY_DIR}/Polygon_2.moc" )
 
 #  add_library( CGAL SHARED IMPORTED ) 
 #  SET_PROPERTY(TARGET CGAL PROPERTY IMPORTED_LOCATION ${CGAL_LIBRARY} )
@@ -50,6 +42,8 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
   # The executable itself.
   add_executable  ( Polygon_2 Polygon_2.cpp Polygon_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+  qt5_use_modules(Polygon_2 Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Polygon_2 )
 
 
@@ -60,6 +54,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, CGAL_Core, and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, CGAL_Core, and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Polygon/Polygon_2.cpp

@@ -16,6 +16,7 @@
 #include <QtGui>
 #include <QString>
 #include <QFileDialog>
+#include <QInputDialog>
 #include <QGraphicsLineItem>
 
 // GraphicsView items and event filters (input classes)
@@ -205,7 +206,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -571,9 +572,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Polygon_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Polygon_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Segment_Delaunay_graph_2/CMakeLists.txt

@@ -3,14 +3,12 @@
 
 project (Segment_voronoi_2)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4 Core)
+find_package(CGAL COMPONENTS Qt5 Core)
 
 include(${CGAL_USE_FILE})
 
@@ -20,32 +18,32 @@ set( QT_USE_QTSCRIPT  TRUE )
 set( QT_USE_QTOPENGL  TRUE )
 
 
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
 
-include(${QT_USE_FILE})
-
 #--------------------------------
 # The "Segment Voronoi" demo: Segment_voronoi_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( CDT_UI_FILES Segment_voronoi_2.ui )
+qt5_wrap_ui( CDT_UI_FILES Segment_voronoi_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( CDT_RESOURCE_FILES ./Segment_voronoi_2.qrc )
+qt5_add_resources ( CDT_RESOURCE_FILES ./Segment_voronoi_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Segment_voronoi_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Segment_voronoi_2.moc" )
+qt5_generate_moc( "Segment_voronoi_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Segment_voronoi_2.moc" )
 
 # The executable itself.
 add_executable  ( Segment_voronoi_2 Segment_voronoi_2.cpp Segment_voronoi_2.moc ${CDT_UI_FILES} ${CDT_RESOURCE_FILES} )
 
+qt5_use_modules(Segment_voronoi_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Segment_voronoi_2 )
 
 # Link with Qt libraries
@@ -56,6 +54,6 @@ target_link_libraries( Segment_voronoi_2 ${CGAL_LIBRARIES}  ${CGAL_3RD_PARTY_LIB
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Segment_Delaunay_graph_2/Segment_voronoi_2.cpp

@@ -17,6 +17,8 @@
 #include <QInputDialog>
 #include <QDragEnterEvent>
 #include <QDropEvent>
+#include <QMessageBox>
+#include <QGraphicsLineItem>
 
 // GraphicsView items and event filters (input classes)
 #include <CGAL/Qt/GraphicsViewPolylineInput.h>
@@ -210,7 +212,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -375,9 +377,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Segment Voronoi 2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Segment_Delaunay_graph_Linf_2/CMakeLists.txt

@@ -3,14 +3,12 @@
 
 project (Segment_voronoi_linf_2)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4 Core)
+find_package(CGAL COMPONENTS Qt5 Core)
 
 include(${CGAL_USE_FILE})
 
@@ -20,32 +18,32 @@ set( QT_USE_QTSCRIPT  TRUE )
 set( QT_USE_QTOPENGL  TRUE )
 
 
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
 
-include(${QT_USE_FILE})
-
 #--------------------------------
 # The "Segment Voronoi Linf" demo: Segment_voronoi_linf_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( CDT_UI_FILES Segment_voronoi_2.ui )
+qt5_wrap_ui( CDT_UI_FILES Segment_voronoi_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( CDT_RESOURCE_FILES ./Segment_voronoi_2.qrc )
+qt5_add_resources ( CDT_RESOURCE_FILES ./Segment_voronoi_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Segment_voronoi_linf_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Segment_voronoi_linf_2.moc" )
+qt5_generate_moc( "Segment_voronoi_linf_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Segment_voronoi_linf_2.moc" )
 
 # The executable itself.
 add_executable  ( Segment_voronoi_linf_2 Segment_voronoi_linf_2.cpp Segment_voronoi_linf_2.moc ${CDT_UI_FILES} ${CDT_RESOURCE_FILES} )
 
+qt5_use_modules(Segment_voronoi_linf_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Segment_voronoi_linf_2 )
 
 # Link with Qt libraries
@@ -56,6 +54,6 @@ target_link_libraries( Segment_voronoi_linf_2 ${CGAL_LIBRARIES}  ${CGAL_3RD_PART
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_2.ui

@@ -1,8 +1,9 @@
-<ui version="4.0" >
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
  <author>GeometryFactory</author>
  <class>Segment_voronoi_2</class>
- <widget class="QMainWindow" name="Segment_voronoi_2" >
-  <property name="geometry" >
+ <widget class="QMainWindow" name="Segment_voronoi_2">
+  <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
@@ -10,240 +11,233 @@
     <height>600</height>
    </rect>
   </property>
-  <property name="windowTitle" >
+  <property name="windowTitle">
    <string>CGAL Segment Voronoi Diagram</string>
   </property>
-  <property name="windowIcon" >
-   <iconset resource="../resources/CGAL.qrc" >
+  <property name="windowIcon">
+   <iconset resource="../resources/CGAL.qrc">
     <normaloff>:/cgal/logos/cgal_icon</normaloff>:/cgal/logos/cgal_icon</iconset>
   </property>
-  <widget class="QWidget" name="centralwidget" >
-   <layout class="QGridLayout" >
-    <item row="0" column="0" >
-     <widget class="QGraphicsView" name="graphicsView" >
-      <property name="focusPolicy" >
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QGridLayout">
+    <item row="0" column="0">
+     <widget class="QGraphicsView" name="graphicsView">
+      <property name="focusPolicy">
        <enum>Qt::StrongFocus</enum>
       </property>
-      <property name="verticalScrollBarPolicy" >
+      <property name="verticalScrollBarPolicy">
        <enum>Qt::ScrollBarAlwaysOn</enum>
       </property>
-      <property name="horizontalScrollBarPolicy" >
+      <property name="horizontalScrollBarPolicy">
        <enum>Qt::ScrollBarAlwaysOn</enum>
       </property>
-      <property name="transformationAnchor" >
+      <property name="transformationAnchor">
        <enum>QGraphicsView::NoAnchor</enum>
       </property>
      </widget>
     </item>
    </layout>
   </widget>
-  <widget class="QStatusBar" name="statusbar" />
-  <widget class="QToolBar" name="fileToolBar" >
-   <property name="windowTitle" >
+  <widget class="QStatusBar" name="statusbar"/>
+  <widget class="QToolBar" name="fileToolBar">
+   <property name="windowTitle">
     <string>File Tools</string>
    </property>
-   <attribute name="toolBarArea" >
+   <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
    </attribute>
-   <attribute name="toolBarBreak" >
+   <attribute name="toolBarBreak">
     <bool>false</bool>
    </attribute>
-   <addaction name="actionClear" />
-   <addaction name="actionLoadSegments" />
-   <addaction name="actionSaveSegments" />
+   <addaction name="actionClear"/>
+   <addaction name="actionLoadSegments"/>
+   <addaction name="actionSaveSegments"/>
   </widget>
-  <widget class="QToolBar" name="toolBar" >
-   <property name="windowTitle" >
+  <widget class="QToolBar" name="toolBar">
+   <property name="windowTitle">
     <string>Visualization Tools</string>
    </property>
-   <attribute name="toolBarArea" >
+   <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
    </attribute>
-   <attribute name="toolBarBreak" >
+   <attribute name="toolBarBreak">
     <bool>false</bool>
    </attribute>
-   <addaction name="actionInsertPolyline" />
-   <addaction name="separator" />
-   <addaction name="actionShowConstraints" />
-   <addaction name="actionShowVoronoi" />
-   <addaction name="separator" />
-   <addaction name="actionRecenter" />
+   <addaction name="actionInsertPolyline"/>
+   <addaction name="separator"/>
+   <addaction name="actionShowVoronoi"/>
+   <addaction name="separator"/>
+   <addaction name="actionRecenter"/>
   </widget>
-  <widget class="QMenuBar" name="menubar" >
-   <property name="geometry" >
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
     <rect>
      <x>0</x>
      <y>0</y>
      <width>800</width>
-     <height>19</height>
+     <height>26</height>
     </rect>
    </property>
-   <widget class="QMenu" name="menuFile" >
-    <property name="title" >
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
      <string>&amp;File</string>
     </property>
-    <addaction name="separator" />
-    <addaction name="actionClear" />
-    <addaction name="actionLoadSegments" />
-    <addaction name="actionSaveSegments" />
-    <addaction name="separator" />
-    <addaction name="actionQuit" />
+    <addaction name="separator"/>
+    <addaction name="actionClear"/>
+    <addaction name="actionLoadSegments"/>
+    <addaction name="actionSaveSegments"/>
+    <addaction name="separator"/>
+    <addaction name="actionQuit"/>
    </widget>
-   <widget class="QMenu" name="menuEdit" >
-    <property name="title" >
+   <widget class="QMenu" name="menuEdit">
+    <property name="title">
      <string>&amp;Edit</string>
     </property>
    </widget>
-   <widget class="QMenu" name="menuTools" >
-    <property name="title" >
+   <widget class="QMenu" name="menuTools">
+    <property name="title">
      <string>&amp;Tools</string>
     </property>
-    <addaction name="actionInsertPolyline" />
-    <addaction name="separator" />
-    <addaction name="actionShowVoronoi" />
-    <addaction name="actionShowConstraints" />
-    <addaction name="separator" />
-    <addaction name="actionRecenter" />
+    <addaction name="actionInsertPolyline"/>
+    <addaction name="separator"/>
+    <addaction name="actionShowVoronoi"/>
+    <addaction name="separator"/>
+    <addaction name="actionRecenter"/>
    </widget>
-   <addaction name="menuFile" />
-   <addaction name="menuEdit" />
-   <addaction name="menuTools" />
+   <addaction name="menuFile"/>
+   <addaction name="menuEdit"/>
+   <addaction name="menuTools"/>
   </widget>
-  <action name="actionAbout" >
-   <property name="text" >
+  <action name="actionAbout">
+   <property name="text">
     <string>&amp;About</string>
    </property>
   </action>
-  <action name="actionAboutCGAL" >
-   <property name="text" >
+  <action name="actionAboutCGAL">
+   <property name="text">
     <string>About &amp;CGAL</string>
    </property>
   </action>
-  <action name="actionQuit" >
-   <property name="text" >
+  <action name="actionQuit">
+   <property name="text">
     <string>&amp;Quit</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+Q</string>
    </property>
   </action>
-  
-  <action name="actionInsertPolyline" >
-   <property name="checkable" >
+  <action name="actionInsertPolyline">
+   <property name="checkable">
     <bool>true</bool>
    </property>
-   <property name="checked" >
+   <property name="checked">
     <bool>false</bool>
    </property>
-   <property name="icon" >
-    <iconset resource="../icons/Input.qrc" >
+   <property name="icon">
+    <iconset resource="../icons/Input.qrc">
      <normaloff>:/cgal/Input/inputPolyline.png</normaloff>:/cgal/Input/inputPolyline.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>&amp;Insert Polyline</string>
    </property>
-   <property name="toolTip" >
+   <property name="toolTip">
     <string>Insert Point or Polyline</string>
    </property>
-   <property name="statusTip" >
+   <property name="statusTip">
     <string>Left: Insert vtx | Right: Final vtx | Del: Delete vtx</string>
    </property>
   </action>
-  <action name="actionClear" >
-   <property name="icon" >
-    <iconset resource="../icons/File.qrc" >
+  <action name="actionClear">
+   <property name="icon">
+    <iconset resource="../icons/File.qrc">
      <normaloff>:/cgal/fileToolbar/fileNew.png</normaloff>:/cgal/fileToolbar/fileNew.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>&amp;Clear</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+C</string>
    </property>
   </action>
-  <action name="actionShowVoronoi" >
-   <property name="checkable" >
+  <action name="actionShowVoronoi">
+   <property name="checkable">
     <bool>true</bool>
    </property>
-   <property name="checked" >
+   <property name="checked">
     <bool>false</bool>
    </property>
-   <property name="icon" >
-    <iconset resource="../icons/Triangulation_2.qrc" >
+   <property name="icon">
+    <iconset resource="../icons/Triangulation_2.qrc">
      <normaloff>:/cgal/Triangulation_2/Voronoi_diagram_2.png</normaloff>:/cgal/Triangulation_2/Voronoi_diagram_2.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>Show &amp;Voronoi Diagram</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+V</string>
    </property>
-   <property name="visible" >
+   <property name="visible">
     <bool>false</bool>
    </property>
   </action>
-
-  <action name="actionLoadSegments" >
-   <property name="icon" >
-    <iconset resource="../icons/File.qrc" >
+  <action name="actionLoadSegments">
+   <property name="icon">
+    <iconset resource="../icons/File.qrc">
      <normaloff>:/cgal/fileToolbar/fileOpen.png</normaloff>:/cgal/fileToolbar/fileOpen.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>&amp;Load...</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+L</string>
    </property>
   </action>
-  <action name="actionSaveSegments" >
-   <property name="icon" >
-    <iconset resource="../icons/File.qrc" >
+  <action name="actionSaveSegments">
+   <property name="icon">
+    <iconset resource="../icons/File.qrc">
      <normaloff>:/cgal/fileToolbar/fileSave.png</normaloff>:/cgal/fileToolbar/fileSave.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>&amp;Save...</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+S</string>
    </property>
   </action>
-
-  <action name="actionRecenter" >
-   <property name="icon" >
-    <iconset resource="../icons/Input.qrc" >
+  <action name="actionRecenter">
+   <property name="icon">
+    <iconset resource="../icons/Input.qrc">
      <normaloff>:/cgal/Input/zoom-best-fit</normaloff>:/cgal/Input/zoom-best-fit</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>Re&amp;center the viewport</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+R</string>
    </property>
   </action>
- 
-  <action name="actionShowConstraints" >
-   <property name="checkable" >
+  <action name="actionShowConstraints">
+   <property name="checkable">
     <bool>true</bool>
    </property>
-   <property name="icon" >
-    <iconset resource="Segment_voronoi_2.qrc" >
+   <property name="icon">
+    <iconset resource="Segment_voronoi_2.qrc">
      <normaloff>:/cgal/Actions/icons/constrained_triangulation_show_constraints.png</normaloff>:/cgal/Actions/icons/constrained_triangulation_show_constraints.png</iconset>
    </property>
-   <property name="text" >
+   <property name="text">
     <string>Show &amp;constraints</string>
    </property>
-   <property name="shortcut" >
+   <property name="shortcut">
     <string>Ctrl+C</string>
    </property>
   </action>
-
  </widget>
  <resources>
-  <include location="Segment_voronoi_2.qrc" />
-  <include location="../icons/File.qrc" />
-  <include location="../resources/CGAL.qrc" />
-  <include location="../icons/Triangulation_2.qrc" />
-  <include location="../icons/Input.qrc" />
+  <include location="Segment_voronoi_2.qrc"/>
+  <include location="../icons/File.qrc"/>
+  <include location="../resources/CGAL.qrc"/>
+  <include location="../icons/Triangulation_2.qrc"/>
+  <include location="../icons/Input.qrc"/>
  </resources>
  <connections/>
 </ui>

GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_linf_2.cpp

@@ -17,7 +17,7 @@
 #include <QInputDialog>
 #include <QDragEnterEvent>
 #include <QDropEvent>
-
+#include <QMessageBox>
 // GraphicsView items and event filters (input classes)
 #include <CGAL/Qt/GraphicsViewPolylineInput.h>
 #include <CGAL/Qt/SegmentDelaunayGraphLinfGraphicsItem.h>
@@ -458,9 +458,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Segment Voronoi 2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5)
+  CGAL_QT_INIT_RESOURCES;
 
   if (argc == 2) {
     has_file_argument = true;

GraphicsView/demo/Segment_Delaunay_graph_Linf_2/about_Segment_voronoi_2.html

@@ -1,10 +1,10 @@
 <html>
   <body>
-    <h2>Constrained Delaunay Triangulation</h2>
-    <p>Copyright &copy; 2008 GeometryFactory</p>
-    <p>This application illustrates the 2D Constrained Delaunay
+    <h2>L Infinity Segment Delaunay Graphs</h2>
+    <p>Copyright &copy; 2015 GeometryFactory</p>
+    <p>This application illustrates the 2D L infinity segment Delaunay graph.
       of <a href="http://www.cgal.org/">CGAL</a>.</p>
-    <p>See also <a href="http://www.cgal.org/Pkg/Triangulation2">the online
+    <p>See also <a href="http://www.cgal.org/Pkg/SDGLinf">the online
         manual</a>.</p>
   </body>
 </html>

GraphicsView/demo/Snap_rounding_2/CMakeLists.txt

@@ -3,47 +3,39 @@
 
 project (Snap_rounding_2_demo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ../../../Snap_rounding_2/include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
 
-include(${QT_USE_FILE})
-
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Snap_rounding_2.ui )
+qt5_wrap_ui( DT_UI_FILES Snap_rounding_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Snap_rounding_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Snap_rounding_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( Snap_rounding_2.cpp Snap_rounding_2.moc )
+qt5_generate_moc( Snap_rounding_2.cpp Snap_rounding_2.moc )
 
 # The executable itself.
 add_executable  ( Snap_rounding_2 Snap_rounding_2.cpp Snap_rounding_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Snap_rounding_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Snap_rounding_2 )
 
 # Link with Qt libraries
@@ -53,6 +45,6 @@ target_link_libraries( Snap_rounding_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRAR
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Snap_rounding_2/Snap_rounding_2.cpp

@@ -198,7 +198,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -306,9 +306,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Snap_rounding_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Snap_rounding_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Spatial_searching_2/CMakeLists.txt

@@ -3,47 +3,41 @@
 
 project (Spatial_searchingDemo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ../../../Spatial_searching/include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
   add_definitions(-DQT_NO_KEYWORDS)
 
-  include(${QT_USE_FILE})
   #--------------------------------
   # Demo: Spatial_searching_2
   #--------------------------------
   # UI files (Qt Designer files)
-  qt4_wrap_ui( DT_UI_FILES Spatial_searching_2.ui )
+  qt5_wrap_ui( DT_UI_FILES Spatial_searching_2.ui )
 
   # qrc files (resources files, that contain icons, at least)
-  qt4_add_resources ( DT_RESOURCE_FILES ./Spatial_searching_2.qrc )
+  qt5_add_resources ( DT_RESOURCE_FILES ./Spatial_searching_2.qrc )
 
   # use the Qt MOC preprocessor on classes that derives from QObject
-  qt4_generate_moc( Spatial_searching_2.cpp Spatial_searching_2.moc )
+  qt5_generate_moc( Spatial_searching_2.cpp Spatial_searching_2.moc )
 
   # The executable itself.
   add_executable  ( Spatial_searching_2 Spatial_searching_2.cpp Spatial_searching_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+  qt5_use_modules(Spatial_searching_2 Xml Script OpenGL Svg)
+
   add_to_cached_list( CGAL_EXECUTABLE_TARGETS Spatial_searching_2 )
 
   # Link with Qt libraries
@@ -53,6 +47,6 @@ if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL, and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL, and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Spatial_searching_2/Spatial_searching_2.cpp

@@ -9,6 +9,7 @@
 #include <QtGui>
 #include <QString>
 #include <QFileDialog>
+#include <QInputDialog>
 #include <QGraphicsLineItem>
 
 // GraphicsView items and event filters (input classes)
@@ -66,8 +67,9 @@ public:
 
     G pg(radius);
     bool ok = false;
+
     const int number_of_points = 
-      QInputDialog::getInteger(this, 
+      QInputDialog::getInt(this, 
                                tr("Number of random points"),
                                tr("Enter number of random points"),
                                100,
@@ -186,7 +188,7 @@ void MainWindow::N_changed(int i)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -288,9 +290,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Spatial_searching_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Spatial_searching_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Stream_lines_2/CMakeLists.txt

@@ -3,46 +3,40 @@
 
 project (Stream_lines_2_demo)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
 
-
-find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 include_directories (BEFORE ../../include)
 
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
 
-include(${QT_USE_FILE})
 
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Stream_lines_2.ui )
+qt5_wrap_ui( DT_UI_FILES Stream_lines_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Stream_lines_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Stream_lines_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( Stream_lines_2.cpp Stream_lines_2.moc )
+qt5_generate_moc( Stream_lines_2.cpp Stream_lines_2.moc )
 
 # The executable itself.
 add_executable  ( Stream_lines_2 Stream_lines_2.cpp Stream_lines_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Stream_lines_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Stream_lines_2 )
 
 # Link with Qt libraries
@@ -52,6 +46,6 @@ target_link_libraries( Stream_lines_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARI
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Stream_lines_2/Stream_lines_2.cpp

@@ -122,7 +122,7 @@ MainWindow::MainWindow()
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -239,9 +239,9 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Stream_lines_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  // See http://doc.qt.io/qt-5/qdir.html#Q_INIT_RESOURCE
+  CGAL_QT_INIT_RESOURCES;
   Q_INIT_RESOURCE(Stream_lines_2);
 
   MainWindow mainWindow;

GraphicsView/demo/Triangulation_2/CMakeLists.txt

@@ -3,24 +3,17 @@
 
 project (Triangulation_2)
 
-cmake_minimum_required(VERSION 2.6.2)
-if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
-  cmake_policy(VERSION 2.8.4)
-else()
-  cmake_policy(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.11)
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 OLD)
 endif()
 
-find_package(CGAL COMPONENTS Qt4)
+find_package(CGAL COMPONENTS Qt5)
 
 include(${CGAL_USE_FILE})
 
-set( QT_USE_QTXML    TRUE )
-set( QT_USE_QTMAIN   TRUE )
-set( QT_USE_QTSCRIPT  TRUE )
-set( QT_USE_QTOPENGL  TRUE )
 
-
-#find_package(Qt4)
+find_package(Qt5 QUIET COMPONENTS Xml Script OpenGL Svg)
 
 include_directories (BEFORE ../../include)
 include_directories (BEFORE ./include)
@@ -28,26 +21,29 @@ include_directories (BEFORE ../../../Number_types/include)
 
 include_directories (BEFORE ../../../Triangulation_2/include)
 
-if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND )
+if ( CGAL_FOUND AND CGAL_Qt5_FOUND AND Qt5_FOUND )
 
 add_definitions(-DQT_NO_KEYWORDS)
-include(${QT_USE_FILE})
+
+
 
 #--------------------------------
 # The "constrained Delaunay" demo: Constrained_Delaunay_triangulation_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( CDT_UI_FILES Constrained_Delaunay_triangulation_2.ui )
+qt5_wrap_ui( CDT_UI_FILES Constrained_Delaunay_triangulation_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( CDT_RESOURCE_FILES ./Constrained_Delaunay_triangulation_2.qrc )
+qt5_add_resources ( CDT_RESOURCE_FILES ./Constrained_Delaunay_triangulation_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Constrained_Delaunay_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Constrained_Delaunay_triangulation_2.moc" )
+qt5_generate_moc( "Constrained_Delaunay_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Constrained_Delaunay_triangulation_2.moc" )
 
 # The executable itself.
 add_executable  ( Constrained_Delaunay_triangulation_2 Constrained_Delaunay_triangulation_2.cpp Constrained_Delaunay_triangulation_2.moc ${CDT_UI_FILES} ${CDT_RESOURCE_FILES} )
 
+qt5_use_modules(Constrained_Delaunay_triangulation_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Constrained_Delaunay_triangulation_2 )
 
 # Link with Qt libraries
@@ -59,17 +55,19 @@ target_link_libraries( Constrained_Delaunay_triangulation_2 ${CGAL_LIBRARIES}  $
 # The "Delaunay" demo: Delaunay_triangulation_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Delaunay_triangulation_2.ui )
+qt5_wrap_ui( DT_UI_FILES Delaunay_triangulation_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Delaunay_triangulation_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Delaunay_triangulation_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Delaunay_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Delaunay_triangulation_2.moc" )
+qt5_generate_moc( "Delaunay_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Delaunay_triangulation_2.moc" )
 
 # The executable itself.
 add_executable  ( Delaunay_triangulation_2 Delaunay_triangulation_2.cpp Delaunay_triangulation_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Delaunay_triangulation_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Delaunay_triangulation_2 )
 
 # Link with Qt libraries
@@ -81,17 +79,19 @@ target_link_libraries( Delaunay_triangulation_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PAR
 # The "Regular" demo: Regular_triangulation_2
 #--------------------------------
 # UI files (Qt Designer files)
-qt4_wrap_ui( DT_UI_FILES Regular_triangulation_2.ui )
+qt5_wrap_ui( DT_UI_FILES Regular_triangulation_2.ui )
 
 # qrc files (resources files, that contain icons, at least)
-qt4_add_resources ( DT_RESOURCE_FILES ./Regular_triangulation_2.qrc )
+qt5_add_resources ( DT_RESOURCE_FILES ./Regular_triangulation_2.qrc )
 
 # use the Qt MOC preprocessor on classes that derives from QObject
-qt4_generate_moc( "Regular_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Regular_triangulation_2.moc" )
+qt5_generate_moc( "Regular_triangulation_2.cpp" "${CMAKE_CURRENT_BINARY_DIR}/Regular_triangulation_2.moc" )
 
 # The executable itself.
 add_executable  ( Regular_triangulation_2 Regular_triangulation_2.cpp Regular_triangulation_2.moc ${DT_UI_FILES} ${DT_RESOURCE_FILES} )
 
+qt5_use_modules(Regular_triangulation_2 Xml Script OpenGL Svg)
+
 add_to_cached_list( CGAL_EXECUTABLE_TARGETS Regular_triangulation_2 )
 
 # Link with Qt libraries
@@ -101,6 +101,6 @@ target_link_libraries( Regular_triangulation_2 ${CGAL_LIBRARIES} ${CGAL_3RD_PART
 
 else()
 
-  message(STATUS "NOTICE: This demo requires CGAL and Qt4, and will not be compiled.")
+  message(STATUS "NOTICE: This demo requires CGAL and Qt5, and will not be compiled.")
 
 endif()

GraphicsView/demo/Triangulation_2/Constrained_Delaunay_triangulation_2.cpp

@@ -45,6 +45,7 @@
 
 // for viewportsBbox(QGraphicsScene*)
 #include <CGAL/Qt/utility.h>
+#include <QDebug>
 
 typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
 typedef K::Point_2 Point_2;
@@ -83,7 +84,7 @@ discoverInfiniteComponent(const CDT & ct)
     Face_handle fh = queue.front();
     queue.pop_front();
     fh->set_in_domain(false);
-
+	
     for(int i = 0; i < 3; i++)
     {
       Face_handle fi = fh->neighbor(i);
@@ -95,7 +96,7 @@ discoverInfiniteComponent(const CDT & ct)
 }
 
 template<typename SeedList>
-void
+void 
 discoverComponents(const CDT & ct,
                    const SeedList& seeds)
 {
@@ -212,7 +213,7 @@ public Q_SLOTS:
   void on_actionShow_seeds_toggled(bool checked);
 
   void on_actionInsertPolyline_toggled(bool checked);
-
+  
   void on_actionInsertSeeds_OnOff_toggled(bool checked);
   
   void on_actionCircumcenter_toggled(bool checked);
@@ -267,7 +268,7 @@ MainWindow::MainWindow()
     
   QObject::connect(this, SIGNAL(changed()),
 		   dgi, SLOT(modelChanged()));
-
+qDebug()<<"setting des Pens";
   dgi->setVerticesPen(
     QPen(Qt::red, 2, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
   dgi->setVoronoiPen(
@@ -284,10 +285,10 @@ MainWindow::MainWindow()
   pi = new CGAL::Qt::GraphicsViewPolylineInput<K>(this, &scene, 0, true); // inputs polylines which are not closed
   QObject::connect(pi, SIGNAL(generate(CGAL::Object)),
 		   this, SLOT(processInput(CGAL::Object)));
-
+    
   tcc = new CGAL::Qt::TriangulationCircumcircle<CDT>(&scene, &cdt, this);
   tcc->setPen(QPen(Qt::red, 0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
-
+  
   dms = new CGAL::Qt::DelaunayMeshInsertSeeds<CDT>(&scene, &cdt, this);//input seeds
   QObject::connect(dms, SIGNAL(generate(CGAL::Object)),
                    this, SLOT(processInput(CGAL::Object)));
@@ -351,7 +352,7 @@ MainWindow::processInput(CGAL::Object o)
       cdt.insert(points.front());
     else
       insert_polyline(points.begin(), points.end());
-  }
+    }
   else
   {
     // Seed (from Shift + left clic)
@@ -371,7 +372,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -777,8 +778,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   Iso_rectangle_2 isor = convert(rect);
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     100,
@@ -855,9 +857,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Constrained_Delaunay_triangulation_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Triangulation_2/Delaunay_triangulation_2.cpp

@@ -197,7 +197,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -281,8 +281,9 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   Iso_rectangle_2 isor = convert(rect);
   CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
   bool ok = false;
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"),
 			     100,
@@ -383,9 +384,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Delaunay_triangulation_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (QT5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/demo/Triangulation_2/Regular_triangulation_2.cpp

@@ -168,7 +168,7 @@ MainWindow::processInput(CGAL::Object o)
 
 /* 
  *  Qt Automatic Connections
- *  http://doc.trolltech.com/4.4/designer-using-a-component.html#automatic-connections
+ *  http://doc.qt.io/qt-5/designer-using-a-ui-file.html#automatic-connections
  * 
  *  setupUi(this) generates connections to the slots named
  *  "on_<action_name>_<signal_name>"
@@ -215,9 +215,10 @@ MainWindow::on_actionInsertRandomPoints_triggered()
   QRectF rect = CGAL::Qt::viewportsBbox(&scene);
   CGAL::Qt::Converter<K> convert;
   Iso_rectangle_2 isor = convert(rect);
-  CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)());
+  CGAL::Random_points_in_iso_rectangle_2<Point_2> pg((isor.min)(), (isor.max)()); 
+
   const int number_of_points = 
-    QInputDialog::getInteger(this, 
+    QInputDialog::getInt(this, 
                              tr("Number of random points"),
                              tr("Enter number of random points"), 100, 0);
 
@@ -295,9 +296,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Regular_triangulation_2 demo");
 
-  // Import resources from libCGALQt4.
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT4_INIT_RESOURCES;
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();

GraphicsView/doc/GraphicsView/GraphicsView.txt

@@ -8,17 +8,17 @@ namespace CGAL {
 \cgalAutoToc
 \authors Andreas Fabri and Laurent Rineau
 
-<A HREF="http://qt-project.org/doc/qt-4.8/">Qt</A> is a <span class="textsc">Gui</span> toolkit for
+<A HREF="http://qt-project.org/doc/qt-5/">Qt</A> is a <span class="textsc">Gui</span> toolkit for
 cross-platform application development.
 
 \section GraphicsViewIntroduction Introduction
 
 This chapter describes classes that help to visualize two dimensional \cgal objects
-with the <A HREF="http://qt-project.org/doc/qt-4.8/graphicsview.html">Qt Graphics View Framework</A>.
+with the <A HREF="http://qt-project.org/doc/qt-5/graphicsview.html">Qt Graphics View Framework</A>.
 
-This framework uses the model view paradigm. <A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsitem.html">`QGraphicsItem`</A>s are stored in a 
-<A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsscene.html">`QGraphicsScene`</A> 
-and are displayed in a <A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsview.html">`QGraphicsView`</A>. The items 
+This framework uses the model view paradigm. <A HREF="http://qt-project.org/doc/qt-5/qgraphicsitem.html">`QGraphicsItem`</A>s are stored in a 
+<A HREF="http://qt-project.org/doc/qt-5/qgraphicsscene.html">`QGraphicsScene`</A> 
+and are displayed in a <A HREF="http://qt-project.org/doc/qt-5/qgraphicsview.html">`QGraphicsView`</A>. The items 
 have a paint method which is called when an item is in the visible area of a view.
 The framework is also responsible for dispatching events from the view
 via the scene to the items. The framework is extensible in the sense
@@ -50,14 +50,14 @@ classes that have to override member functions adhering to this naming scheme.
 \section GraphicsViewOverall Overall Design
 
 In \cgalFigureRef{graphicsviewuml} you see four classes depicted in grey,
-that come from the %Qt Graphics View Framework. The <A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsscene.html">`QGraphicsScene`</A>
-contains <A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsitem.html">`QGraphicsItem`</A>s, which get displayed in any number
-of <A HREF="http://qt-project.org/doc/qt-4.8/qgraphicsview.html">`QGraphicsView`</A>s. The views are widgets, that is they take screen space
+that come from the %Qt Graphics View Framework. The <A HREF="http://qt-project.org/doc/qt-5/qgraphicsscene.html">`QGraphicsScene`</A>
+contains <A HREF="http://qt-project.org/doc/qt-5/qgraphicsitem.html">`QGraphicsItem`</A>s, which get displayed in any number
+of <A HREF="http://qt-project.org/doc/qt-5/qgraphicsview.html">`QGraphicsView`</A>s. The views are widgets, that is they take screen space
 in an application.
 
-The fourth class is the <A HREF="http://qt-project.org/doc/qt-4.8/qobject.html">`QObject`</A>. It plays an important role in %Qt for
-event handling and memory management. First, it allows to add <A HREF="http://qt-project.org/doc/qt-4.8/signalsandslots.html">signals and
-slots</A>, and to connect them. Second, it allows to install <A HREF="http://qt-project.org/doc/qt-4.8/eventsandfilters.html">event filters</A>.
+The fourth class is the <A HREF="http://qt-project.org/doc/qt-5/qobject.html">`QObject`</A>. It plays an important role in %Qt for
+event handling and memory management. First, it allows to add <A HREF="http://qt-project.org/doc/qt-5/signalsandslots.html">signals and
+slots</A>, and to connect them. Second, it allows to install <A HREF="http://qt-project.org/doc/qt-5/eventsandfilters.html">event filters</A>.
 
 \cgalFigureBegin{graphicsviewuml,uml-design.png}
 UML Class Diagram with the %Qt classes (blue), \cgal classes for using the framework (yellow), \cgal data structures (red), and application classes (green).
@@ -68,8 +68,8 @@ UML Class Diagram with the %Qt classes (blue), \cgal classes for using the frame
 In order to visualize for example a `CGAL::Delaunay_triangulation_2`, we
 provide the graphics item class `CGAL::Qt::TriangulationGraphicsItem<T>`.
 It provides a `paint` method that draws the edges and vertices of a triangulation
-using the drawing primitives of the <A HREF="http://qt-project.org/doc/qt-4.8/qpainter.html">`QPainter`</A>. The color of vertices and edges, 
-can be chosen by setting a user defined <A HREF="http://qt-project.org/doc/qt-4.8/qpen.html">`QPen`</A>.
+using the drawing primitives of the <A HREF="http://qt-project.org/doc/qt-5/qpainter.html">`QPainter`</A>. The color of vertices and edges, 
+can be chosen by setting a user defined <A HREF="http://qt-project.org/doc/qt-5/qpen.html">`QPen`</A>.
 
 As this graphics item only stores a pointer to a triangulation, it
 must be notified about changes like the insertion of points coming from