VDPMSynthesizerViewerWidget.hh

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//=============================================================================
//
//  CLASS newClass
//
//=============================================================================
 
 
#ifndef OPENMESH_VDPROGMESH_VDPMSYNTHESIZERVIEWERWIDGET_HH
#define OPENMESH_VDPROGMESH_VDPMSYNTHESIZERVIEWERWIDGET_HH
 
 
//== INCLUDES =================================================================
 
#include <string>
#include <QTimer>
 
#include <OpenMesh/Core/IO/MeshIO.hh>
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
#include <OpenMesh/Apps/QtViewer/MeshViewerWidgetT.hh>
 
#include <OpenMesh/Tools/VDPM/MeshTraits.hh>
#include <OpenMesh/Tools/VDPM/StreamingDef.hh>
#include <OpenMesh/Tools/VDPM/ViewingParameters.hh>
#include <OpenMesh/Tools/VDPM/VHierarchy.hh>
#include <OpenMesh/Tools/VDPM/VFront.hh>
 
 
//== FORWARDDECLARATIONS ======================================================
 
 
//== NAMESPACES ===============================================================
 
namespace OpenMesh {
 
 
//== CLASS DEFINITION =========================================================
 
              
typedef TriMesh_ArrayKernelT<VDPM::MeshTraits>  VDPMMesh;
typedef MeshViewerWidgetT<VDPMMesh>             MeshViewerWidget;
 
 
  // using view dependent progressive mesh 
 
  using VDPM::Plane3d;
  using VDPM::VFront;
  using VDPM::VHierarchy;
  using VDPM::VHierarchyNode;
  using VDPM::VHierarchyNodeIndex;
  using VDPM::VHierarchyNodeHandle;
  using VDPM::VHierarchyNodeHandleContainer;
  using VDPM::ViewingParameters;
 
 
//== CLASS DEFINITION =========================================================
 
 
class VDPMSynthesizerViewerWidget : public MeshViewerWidget
{
public:
 
  typedef MeshViewerWidget Base;
 
public:
 
  explicit VDPMSynthesizerViewerWidget(QWidget* _parent=0, const char* _name=0);
 
  ~VDPMSynthesizerViewerWidget();
 
  void open_vd_prog_mesh(const char* _filename);
 
 
private:
 
  QString             qFilename_;
  VHierarchy          vhierarchy_;
  VFront              vfront_;
  ViewingParameters   viewing_parameters_;
  float               kappa_square_;
  bool                adaptive_mode_;
 
  unsigned int        n_base_vertices_;
  unsigned int        n_base_edges_;
  unsigned int        n_base_faces_;
  unsigned int        n_details_;
 
    
private:
 
  bool outside_view_frustum(const OpenMesh::Vec3f &pos, float radius);
 
  bool oriented_away(float sin_square, 
                     float distance_square, 
                     float product_value);
 
  bool screen_space_error(float mue_square, 
                          float sigma_square, 
                          float distance_square, 
                          float product_value);
 
  void update_viewing_parameters();
 
  virtual void keyPressEvent(QKeyEvent* _event) override;
 
protected:
 
  virtual void draw_scene(const std::string& _draw_mode) override;
 
public:
 
  void adaptive_refinement();   
 
  bool qrefine(VHierarchyNodeHandle _node_handle);              
 
  void force_vsplit(VHierarchyNodeHandle _node_handle);
 
  bool ecol_legal(VHierarchyNodeHandle _parent_handle, 
                  VDPMMesh::HalfedgeHandle& v0v1);
 
  void get_active_cuts(VHierarchyNodeHandle _node_handle, 
                       VDPMMesh::VertexHandle &vl, VDPMMesh::VertexHandle &vr);
 
  void vsplit(VHierarchyNodeHandle _node_handle, 
              VDPMMesh::VertexHandle vl, VDPMMesh::VertexHandle vr);
 
  void ecol(VHierarchyNodeHandle _parent_handle, 
            const VDPMMesh::HalfedgeHandle& v0v1);
 
  void init_vfront();
 
};
 
 
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESHAPPS_VDPMSYNTHESIZERVIEWERWIDGET_HH defined
//=============================================================================