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MeshViewerWidgetT.hh
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35 /*===========================================================================*\
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37  * $Revision: 736 $ *
38  * $Date: 2012-10-08 09:30:49 +0200 (Mo, 08 Okt 2012) $ *
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40 \*===========================================================================*/
41 
42 
43 #ifndef OPENMESHAPPS_MESHVIEWERWIDGETT_HH
44 #define OPENMESHAPPS_MESHVIEWERWIDGETT_HH
45 
46 
47 //== INCLUDES =================================================================
48 
49 #include <string>
50 #include <OpenMesh/Core/IO/MeshIO.hh>
51 #include <OpenMesh/Core/IO/Options.hh>
52 #include <OpenMesh/Core/Utils/GenProg.hh>
53 #include <OpenMesh/Core/Utils/color_cast.hh>
55 #include <OpenMesh/Tools/Utils/StripifierT.hh>
57 #include <OpenMesh/Apps/QtViewer/QGLViewerWidget.hh>
58 
59 
60 //== FORWARDS =================================================================
61 
62 class QImage;
63 
64 
65 //== CLASS DEFINITION =========================================================
66 
67 
68 template <typename M>
70 {
71 public:
72 
73  typedef M Mesh;
75 public:
76 
78  MeshViewerWidgetT(QWidget* _parent=0)
79  : QGLViewerWidget(_parent),
80  f_strips_(false),
81  tex_id_(0),
82  tex_mode_(GL_MODULATE),
83  strips_(mesh_),
84  use_color_(true),
85  show_vnormals_(false),
86  show_fnormals_(false)
87  {
88  add_draw_mode("Points");
89  add_draw_mode("Hidden-Line");
90 #if defined(OM_USE_OSG) && OM_USE_OSG
91  add_draw_mode("OpenSG Indices");
92 #endif
93  }
94 
97 
98 public:
99 
101  virtual bool open_mesh(const char* _filename, OpenMesh::IO::Options _opt);
102 
104  virtual bool open_texture( const char *_filename );
105  bool set_texture( QImage& _texsrc );
106 
107  void enable_strips();
108  void disable_strips();
109 
110 
111  Mesh& mesh() { return mesh_; }
112  const Mesh& mesh() const { return mesh_; }
113 
114 protected:
115 
117  virtual void draw_scene(const std::string& _draw_mode);
118 
119 protected:
120 
122  virtual void draw_openmesh(const std::string& _drawmode);
123 
124 
125  void glVertex( const typename Mesh::VertexHandle _vh )
126  { glVertex3fv( &mesh_.point( _vh )[0] ); }
127 
128  void glVertex( const typename Mesh::Point& _p )
129  { glVertex3fv( &_p[0] ); }
130 
131  void glNormal( const typename Mesh::VertexHandle _vh )
132  { glNormal3fv( &mesh_.normal( _vh )[0] ); }
133 
134  void glTexCoord( const typename Mesh::VertexHandle _vh )
135  { glTexCoord2fv( &mesh_.texcoord(_vh)[0] ); }
136 
137  void glColor( const typename Mesh::VertexHandle _vh )
138  { glColor3ubv( &mesh_.color(_vh)[0] ); }
139 
140  // face properties
141 
142  void glNormal( const typename Mesh::FaceHandle _fh )
143  { glNormal3fv( &mesh_.normal( _fh )[0] ); }
144 
145  void glColor( const typename Mesh::FaceHandle _fh )
146  { glColor3ubv( &mesh_.color(_fh)[0] ); }
147 
148  void glMaterial( const typename Mesh::FaceHandle _fh,
149  int _f=GL_FRONT_AND_BACK, int _m=GL_DIFFUSE )
150  {
151  OpenMesh::Vec3f c=OpenMesh::color_cast<OpenMesh::Vec3f>(mesh_.color(_fh));
152  OpenMesh::Vec4f m( c[0], c[1], c[2], 1.0f );
153 
154  glMaterialfv(_f, _m, &m[0]);
155  }
156 
157 
158 protected: // Strip support
159 
160  void compute_strips(void)
161  {
162  if (f_strips_)
163  {
164  strips_.clear();
165  strips_.stripify();
166  }
167  }
168 
169 protected: // inherited
170 
171  virtual void keyPressEvent( QKeyEvent* _event);
172 
173 protected:
174 
175  bool f_strips_; // enable/disable strip usage
176  GLuint tex_id_;
177  GLint tex_mode_;
178  OpenMesh::IO::Options opt_; // mesh file contained texcoords?
179 
180  Mesh mesh_;
181  MyStripifier strips_;
182  bool use_color_;
183  bool show_vnormals_;
184  bool show_fnormals_;
185  float normal_scale_;
187 };
188 
189 
190 //=============================================================================
191 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESHAPPS_MESHVIEWERWIDGET_CC)
192 # define OPENMESH_MESHVIEWERWIDGET_TEMPLATES
193 # include "MeshViewerWidgetT.cc"
194 #endif
195 //=============================================================================
196 #endif // OPENMESHAPPS_MESHVIEWERWIDGETT_HH defined
197 //=============================================================================
198 

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