VDProgMesh added

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@281 fdac6126-5c0c-442c-9429-916003d36597

src/OpenMesh/Apps/ProgViewer/ProgViewerWidget.hh

@@ -0,0 +1,148 @@
+/*===========================================================================*\
+ *                                                                           *
+ *                               OpenMesh                                    *
+ *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
+ *                           www.openmesh.org                                *
+ *                                                                           *
+ *---------------------------------------------------------------------------* 
+ *  This file is part of OpenMesh.                                           *
+ *                                                                           *
+ *  OpenMesh is free software: you can redistribute it and/or modify         * 
+ *  it under the terms of the GNU Lesser General Public License as           *
+ *  published by the Free Software Foundation, either version 3 of           *
+ *  the License, or (at your option) any later version with the              *
+ *  following exceptions:                                                    *
+ *                                                                           *
+ *  If other files instantiate templates or use macros                       *
+ *  or inline functions from this file, or you compile this file and         *
+ *  link it with other files to produce an executable, this file does        *
+ *  not by itself cause the resulting executable to be covered by the        *
+ *  GNU Lesser General Public License. This exception does not however       *
+ *  invalidate any other reasons why the executable file might be            *
+ *  covered by the GNU Lesser General Public License.                        *
+ *                                                                           *
+ *  OpenMesh is distributed in the hope that it will be useful,              *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
+ *  GNU Lesser General Public License for more details.                      *
+ *                                                                           *
+ *  You should have received a copy of the GNU LesserGeneral Public          *
+ *  License along with OpenMesh.  If not,                                    *
+ *  see <http://www.gnu.org/licenses/>.                                      *
+ *                                                                           *
+\*===========================================================================*/ 
+
+/*===========================================================================*\
+ *                                                                           *             
+ *   $Revision$                                                         *
+ *   $Date$                   *
+ *                                                                           *
+\*===========================================================================*/
+
+
+#ifndef OPENMESHAPPS_PROGVIEWERWIDGET_HH
+#define OPENMESHAPPS_PROGVIEWERWIDGET_HH
+
+
+//== INCLUDES =================================================================
+
+#include <QTimer>
+#include <OpenMesh/Apps/QtViewer/MeshViewerWidgetT.hh>
+#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
+#include <OpenMesh/Core/Mesh/Attributes.hh>
+#include <string>
+
+
+
+//== CLASS DEFINITION =========================================================
+
+
+using namespace OpenMesh;
+using namespace OpenMesh::Attributes;
+
+
+struct MyTraits : public OpenMesh::DefaultTraits
+{
+  VertexAttributes  ( OpenMesh::Attributes::Normal       |
+                      OpenMesh::Attributes::Status       );
+  EdgeAttributes    ( OpenMesh::Attributes::Status       );
+  HalfedgeAttributes( OpenMesh::Attributes::PrevHalfedge );
+  FaceAttributes    ( OpenMesh::Attributes::Normal       |
+		      OpenMesh::Attributes::Status       );  
+};
+
+  
+typedef OpenMesh::TriMesh_ArrayKernelT<MyTraits>  MyMesh;
+typedef MeshViewerWidgetT<MyMesh>                 MeshViewerWidget;
+
+
+//== CLASS DEFINITION =========================================================
+
+	      
+
+class ProgViewerWidget : public MeshViewerWidget
+{
+  Q_OBJECT
+   
+public:
+
+  typedef MeshViewerWidget Base;
+  typedef ProgViewerWidget This;
+
+
+public:   
+  /// default constructor
+  ProgViewerWidget(QWidget* _parent=0)
+    : MeshViewerWidget(_parent)
+  {
+    timer_ = new QTimer(this);
+
+    connect( timer_, SIGNAL(timeout()), SLOT(animate()) );
+  }
+
+  /// destructor
+  ~ProgViewerWidget()
+  {
+    delete timer_;
+  }
+
+  /// open progressive mesh
+  void open_prog_mesh(const char* _filename);
+
+protected slots:
+
+void animate( void );
+   
+private:
+
+  QTimer *timer_;
+   
+  struct PMInfo 
+  {
+    MyMesh::Point        p0;
+    MyMesh::VertexHandle v0, v1, vl, vr;
+  };
+  typedef std::vector<PMInfo>          PMInfoContainer;
+  typedef PMInfoContainer::iterator    PMInfoIter;
+
+  /// refine mesh up to _n vertices
+  void refine(unsigned int _n);
+
+  /// coarsen mesh down to _n vertices
+  void coarsen(unsigned int _n);
+
+  virtual void keyPressEvent(QKeyEvent* _event);
+
+  // mesh data
+  bool              animateRefinement_;
+  PMInfoContainer   pminfos_;
+  PMInfoIter        pmiter_;
+  size_t            n_base_vertices_, n_base_faces_, n_detail_vertices_;
+  size_t            n_max_vertices_;
+};
+
+
+//=============================================================================
+#endif // OPENMESHAPPS_PROGVIEWERWIDGET_HH defined
+//=============================================================================
+