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MeshViewerWidgetT.hh
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48 
49 
50 #ifndef OPENMESHAPPS_MESHVIEWERWIDGETT_HH
51 #define OPENMESHAPPS_MESHVIEWERWIDGETT_HH
52 
53 
54 //== INCLUDES =================================================================
55 
56 #include <string>
57 #include <OpenMesh/Core/IO/MeshIO.hh>
58 #include <OpenMesh/Core/IO/Options.hh>
59 #include <OpenMesh/Core/Utils/GenProg.hh>
60 #include <OpenMesh/Core/Utils/color_cast.hh>
62 #include <OpenMesh/Tools/Utils/StripifierT.hh>
64 #include <OpenMesh/Apps/QtViewer/QGLViewerWidget.hh>
65 
66 
67 //== FORWARDS =================================================================
68 
69 class QImage;
70 
71 
72 //== CLASS DEFINITION =========================================================
73 
74 
75 template <typename M>
77 {
78 public:
79 
80  typedef M Mesh;
82 public:
83 
85  MeshViewerWidgetT(QWidget* _parent=0)
86  : QGLViewerWidget(_parent),
87  f_strips_(false),
88  tex_id_(0),
89  tex_mode_(GL_MODULATE),
90  strips_(mesh_),
91  use_color_(true),
92  show_vnormals_(false),
93  show_fnormals_(false)
94  {
95  add_draw_mode("Points");
96  add_draw_mode("Hidden-Line");
97 #if defined(OM_USE_OSG) && OM_USE_OSG
98  add_draw_mode("OpenSG Indices");
99 #endif
100  }
101 
104 
105 public:
106 
108  virtual bool open_mesh(const char* _filename, OpenMesh::IO::Options _opt);
109 
111  virtual bool open_texture( const char *_filename );
112  bool set_texture( QImage& _texsrc );
113 
114  void enable_strips();
115  void disable_strips();
116 
117 
118  Mesh& mesh() { return mesh_; }
119  const Mesh& mesh() const { return mesh_; }
120 
121 protected:
122 
124  virtual void draw_scene(const std::string& _draw_mode);
125 
126 protected:
127 
129  virtual void draw_openmesh(const std::string& _drawmode);
130 
131 
132  void glVertex( const typename Mesh::VertexHandle _vh )
133  { glVertex3fv( &mesh_.point( _vh )[0] ); }
134 
135  void glVertex( const typename Mesh::Point& _p )
136  { glVertex3fv( &_p[0] ); }
137 
138  void glNormal( const typename Mesh::VertexHandle _vh )
139  { glNormal3fv( &mesh_.normal( _vh )[0] ); }
140 
141  void glTexCoord( const typename Mesh::VertexHandle _vh )
142  { glTexCoord2fv( &mesh_.texcoord(_vh)[0] ); }
143 
144  void glColor( const typename Mesh::VertexHandle _vh )
145  { glColor3ubv( &mesh_.color(_vh)[0] ); }
146 
147  // face properties
148 
149  void glNormal( const typename Mesh::FaceHandle _fh )
150  { glNormal3fv( &mesh_.normal( _fh )[0] ); }
151 
152  void glColor( const typename Mesh::FaceHandle _fh )
153  { glColor3ubv( &mesh_.color(_fh)[0] ); }
154 
155  void glMaterial( const typename Mesh::FaceHandle _fh,
156  int _f=GL_FRONT_AND_BACK, int _m=GL_DIFFUSE )
157  {
158  OpenMesh::Vec3f c=OpenMesh::color_cast<OpenMesh::Vec3f>(mesh_.color(_fh));
159  OpenMesh::Vec4f m( c[0], c[1], c[2], 1.0f );
160 
161  glMaterialfv(_f, _m, &m[0]);
162  }
163 
164 
165 protected: // Strip support
166 
167  void compute_strips(void)
168  {
169  if (f_strips_)
170  {
171  strips_.clear();
172  strips_.stripify();
173  }
174  }
175 
176 protected: // inherited
177 
178  virtual void keyPressEvent( QKeyEvent* _event);
179 
180 protected:
181 
182  bool f_strips_; // enable/disable strip usage
183  GLuint tex_id_;
184  GLint tex_mode_;
185  OpenMesh::IO::Options opt_; // mesh file contained texcoords?
186 
187  Mesh mesh_;
188  MyStripifier strips_;
189  bool use_color_;
190  bool show_vnormals_;
191  bool show_fnormals_;
192  float normal_scale_;
194 };
195 
196 
197 //=============================================================================
198 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESHAPPS_MESHVIEWERWIDGET_CC)
199 # define OPENMESH_MESHVIEWERWIDGET_TEMPLATES
200 # include "MeshViewerWidgetT.cc"
201 #endif
202 //=============================================================================
203 #endif // OPENMESHAPPS_MESHVIEWERWIDGETT_HH defined
204 //=============================================================================
205 
QAction * add_draw_mode(const std::string &_s)
add draw mode to popup menu, and return the QAction created
Definition: QGLViewerWidget.cc:642
Set options for reader/writer modules.
Definition: Options.hh:95
Definition: MeshViewerWidgetT.hh:76
A timer class.
~MeshViewerWidgetT()
destructor
Definition: MeshViewerWidgetT.hh:103
Definition: QGLViewerWidget.hh:73
virtual void draw_openmesh(const std::string &_drawmode)
draw the mesh
Definition: MeshViewerWidgetT.cc:290
void clear()
delete all strips
Definition: StripifierT.hh:105
virtual bool open_texture(const char *_filename)
load texture
Definition: MeshViewerWidgetT.cc:212
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT.cc:87
This file provides some macros containing attribute usage.
This class decomposes a triangle mesh into several triangle strips.
Definition: StripifierT.hh:84
MeshViewerWidgetT(QWidget *_parent=0)
default constructor
Definition: MeshViewerWidgetT.hh:85
virtual void draw_scene(const std::string &_draw_mode)
inherited drawing method
Definition: MeshViewerWidgetT.cc:578
virtual bool open_mesh(const char *_filename, OpenMesh::IO::Options _opt)
open mesh
Definition: MeshViewerWidgetT.cc:83

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