Developer Documentation
ViewingParameters.hh
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41 
42 
43 
44 
45 //=============================================================================
46 //
47 // CLASS newClass
48 //
49 //=============================================================================
50 
51 #ifndef OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH
52 #define OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH
53 
54 
55 //== INCLUDES =================================================================
56 
57 #include <OpenMesh/Core/Geometry/VectorT.hh>
58 #include <OpenMesh/Core/Geometry/Plane3d.hh>
59 
60 
61 //== FORWARDDECLARATIONS ======================================================
62 
63 
64 //== NAMESPACES ===============================================================
65 
66 namespace OpenMesh {
67 namespace VDPM {
68 
69 //== CLASS DEFINITION =========================================================
70 
71 
74 class OPENMESHDLLEXPORT ViewingParameters
75 {
76 private:
77  double modelview_matrix_[16];
78  float fovy_;
79  float aspect_;
80  float tolerance_square_;
81 
82  Vec3f eye_pos_;
83  Vec3f right_dir_;
84  Vec3f up_dir_;
85  Vec3f view_dir_;
86 
87  Plane3d frustum_plane_[4];
88 
89 public:
90 
91  ViewingParameters();
92 
93  void increase_tolerance() { tolerance_square_ *= 5.0f; }
94  void decrease_tolerance() { tolerance_square_ /= 5.0f; }
95 
96  float fovy() const { return fovy_; }
97  float aspect() const { return aspect_; }
98  float tolerance_square() const { return tolerance_square_; }
99 
100  void set_fovy(float _fovy) { fovy_ = _fovy; }
101  void set_aspect(float _aspect) { aspect_ = _aspect; }
102  void set_tolerance_square(float _tolerance_square) { tolerance_square_ = _tolerance_square; }
103 
104  const Vec3f& eye_pos() const { return eye_pos_; }
105  const Vec3f& right_dir() const { return right_dir_; }
106  const Vec3f& up_dir() const { return up_dir_; }
107  const Vec3f& view_dir() const { return view_dir_; }
108  Vec3f& eye_pos() { return eye_pos_; }
109  Vec3f& right_dir() { return right_dir_; }
110  Vec3f& up_dir() { return up_dir_; }
111  Vec3f& view_dir() { return view_dir_; }
112 
113  void frustum_planes( Plane3d _plane[4] )
114  {
115  for (unsigned int i=0; i<4; ++i)
116  _plane[i] = frustum_plane_[i];
117  }
118 
119  void get_modelview_matrix(double _modelview_matrix[16])
120  {
121  for (unsigned int i=0; i<16; ++i)
122  _modelview_matrix[i] = modelview_matrix_[i];
123  }
124 
125  void set_modelview_matrix(const double _modelview_matrix[16])
126  {
127  for (unsigned int i=0; i<16; ++i)
128  modelview_matrix_[i] = _modelview_matrix[i];
129  }
130 
131  void update_viewing_configurations();
132 
133  void PrintOut();
134 };
135 
136 
137 //=============================================================================
138 } // namespace VDPM
139 } // namespace OpenMesh
140 //=============================================================================
141 #endif // OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH defined
142 //=============================================================================
143