Developer Documentation
ViewingParameters.hh
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49 
50 //=============================================================================
51 //
52 // CLASS newClass
53 //
54 //=============================================================================
55 
56 #ifndef OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH
57 #define OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH
58 
59 
60 //== INCLUDES =================================================================
61 
62 #include <OpenMesh/Core/Geometry/VectorT.hh>
63 #include <OpenMesh/Core/Geometry/Plane3d.hh>
64 
65 
66 //== FORWARDDECLARATIONS ======================================================
67 
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace OpenMesh {
72 namespace VDPM {
73 
74 //== CLASS DEFINITION =========================================================
75 
76 
79 class OPENMESHDLLEXPORT ViewingParameters
80 {
81 private:
82  double modelview_matrix_[16];
83  float fovy_;
84  float aspect_;
85  float tolerance_square_;
86 
87  Vec3f eye_pos_;
88  Vec3f right_dir_;
89  Vec3f up_dir_;
90  Vec3f view_dir_;
91 
92  Plane3d frustum_plane_[4];
93 
94 public:
95 
96  ViewingParameters();
97 
98  void increase_tolerance() { tolerance_square_ *= 5.0f; }
99  void decrease_tolerance() { tolerance_square_ /= 5.0f; }
100 
101  float fovy() const { return fovy_; }
102  float aspect() const { return aspect_; }
103  float tolerance_square() const { return tolerance_square_; }
104 
105  void set_fovy(float _fovy) { fovy_ = _fovy; }
106  void set_aspect(float _aspect) { aspect_ = _aspect; }
107  void set_tolerance_square(float _tolerance_square) { tolerance_square_ = _tolerance_square; }
108 
109  const Vec3f& eye_pos() const { return eye_pos_; }
110  const Vec3f& right_dir() const { return right_dir_; }
111  const Vec3f& up_dir() const { return up_dir_; }
112  const Vec3f& view_dir() const { return view_dir_; }
113  Vec3f& eye_pos() { return eye_pos_; }
114  Vec3f& right_dir() { return right_dir_; }
115  Vec3f& up_dir() { return up_dir_; }
116  Vec3f& view_dir() { return view_dir_; }
117 
118  void frustum_planes( Plane3d _plane[4] )
119  {
120  for (unsigned int i=0; i<4; ++i)
121  _plane[i] = frustum_plane_[i];
122  }
123 
124  void get_modelview_matrix(double _modelview_matrix[16])
125  {
126  for (unsigned int i=0; i<16; ++i)
127  _modelview_matrix[i] = modelview_matrix_[i];
128  }
129 
130  void set_modelview_matrix(const double _modelview_matrix[16])
131  {
132  for (unsigned int i=0; i<16; ++i)
133  modelview_matrix_[i] = _modelview_matrix[i];
134  }
135 
136  void update_viewing_configurations();
137 
138  void PrintOut();
139 };
140 
141 
142 //=============================================================================
143 } // namespace VDPM
144 } // namespace OpenMesh
145 //=============================================================================
146 #endif // OPENMESH_VDPROGMESH_VIEWINGPARAMETERS_HH defined
147 //=============================================================================
148