Developer Documentation

MeshViewerWidgetT.hh
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41
42
43
44
45 #pragma once
46
47
48 //== INCLUDES =================================================================
49
50 #include <string>
51 #include <OpenMesh/Core/IO/MeshIO.hh>
52 #include <OpenMesh/Core/IO/Options.hh>
53 #include <OpenMesh/Core/Utils/GenProg.hh>
54 #include <OpenMesh/Core/Utils/color_cast.hh>
55 #include <OpenMesh/Core/Mesh/Attributes.hh>
56 #include <OpenMesh/Tools/Utils/StripifierT.hh>
57 #include <OpenMesh/Tools/Utils/Timer.hh>
58 #include <OpenMesh/Apps/QtViewer/QGLViewerWidget.hh>
59
60
61 //== FORWARDS =================================================================
62
63 class QImage;
64
65
66 //== CLASS DEFINITION =========================================================
67
68
69 template <typename M>
70 class MeshViewerWidgetT : public QGLViewerWidget
71 {
72
73 public:
74
75 typedef M Mesh;
76 typedef OpenMesh::StripifierT<Mesh> MyStripifier;
77 public:
78
80 MeshViewerWidgetT(QWidget* _parent=0)
81 : QGLViewerWidget(_parent),
82 f_strips_(false),
83 tex_id_(0),
84 tex_mode_(GL_MODULATE),
85 strips_(mesh_),
86 use_color_(true),
87 show_vnormals_(false),
88 show_fnormals_(false)
89 {
90 add_draw_mode("Points");
91 add_draw_mode("Hidden-Line");
92 #if defined(OM_USE_OSG) && OM_USE_OSG
93 add_draw_mode("OpenSG Indices");
94 #endif
95 }
96
98 ~MeshViewerWidgetT() {}
99
100 public:
101
103 virtual bool open_mesh(const char* _filename, OpenMesh::IO::Options _opt);
104
106 virtual bool open_texture( const char *_filename );
107 bool set_texture( QImage& _texsrc );
108
109 void enable_strips();
110 void disable_strips();
111
112
113 Mesh& mesh() { return mesh_; }
114 const Mesh& mesh() const { return mesh_; }
115
116 protected:
117
119 virtual void draw_scene(const std::string& _draw_mode);
120
121 protected:
122
124 virtual void draw_openmesh(const std::string& _drawmode);
125
126
127 void glVertex( const typename Mesh::VertexHandle _vh )
128 { glVertex3fv( &mesh_.point( _vh )[0] ); }
129
130 void glVertex( const typename Mesh::Point& _p )
131 { glVertex3fv( &_p[0] ); }
132
133 void glNormal( const typename Mesh::VertexHandle _vh )
134 { glNormal3fv( &mesh_.normal( _vh )[0] ); }
135
136 void glTexCoord( const typename Mesh::VertexHandle _vh )
137 { glTexCoord2fv( &mesh_.texcoord(_vh)[0] ); }
138
139 void glColor( const typename Mesh::VertexHandle _vh )
140 { glColor3ubv( &mesh_.color(_vh)[0] ); }
141
142 // face properties
143
144 void glNormal( const typename Mesh::FaceHandle _fh )
145 { glNormal3fv( &mesh_.normal( _fh )[0] ); }
146
147 void glColor( const typename Mesh::FaceHandle _fh )
148 { glColor3ubv( &mesh_.color(_fh)[0] ); }
149
150 void glMaterial( const typename Mesh::FaceHandle _fh,
151 int _f=GL_FRONT_AND_BACK, int _m=GL_DIFFUSE )
152 {
153 OpenMesh::Vec3f c=OpenMesh::color_cast<OpenMesh::Vec3f>(mesh_.color(_fh));
154 OpenMesh::Vec4f m( c[0], c[1], c[2], 1.0f );
155
156 glMaterialfv(_f, _m, &m[0]);
157 }
158
159
160 protected: // Strip support
161
162 void compute_strips(void)
163 {
164 if (f_strips_)
165 {
166 strips_.clear();
167 strips_.stripify();
168 }
169 }
170
171 protected: // inherited
172
173 virtual void keyPressEvent( QKeyEvent* _event);
174
175 protected:
176
177 bool f_strips_; // enable/disable strip usage
178 GLuint tex_id_;
179 GLint tex_mode_;
180 OpenMesh::IO::Options opt_; // mesh file contained texcoords?
181
182 Mesh mesh_;
183 MyStripifier strips_;
184 bool use_color_;
185 bool show_vnormals_;
186 bool show_fnormals_;
187 float normal_scale_;
188 OpenMesh::FPropHandleT< typename Mesh::Point > fp_normal_base_;
189 };
190
191
192 //=============================================================================
193 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESHAPPS_MESHVIEWERWIDGET_CC)
194 # define OPENMESH_MESHVIEWERWIDGET_TEMPLATES
195 # include "MeshViewerWidgetT_impl.hh"
196 #endif
197 //=============================================================================
198
MeshViewerWidgetT
Definition: MeshViewerWidgetT.hh:70
OpenMesh::StripifierT
Definition: StripifierT.hh:79
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
MeshViewerWidgetT::MeshViewerWidgetT
MeshViewerWidgetT(QWidget *_parent=0)
default constructor
Definition: MeshViewerWidgetT.hh:80
QGLViewerWidget::add_draw_mode
QAction * add_draw_mode(const std::string &_s)
add draw mode to popup menu, and return the QAction created
Definition: QGLViewerWidget.cc:644
MeshViewerWidgetT::draw_scene
virtual void draw_scene(const std::string &_draw_mode)
inherited drawing method
Definition: MeshViewerWidgetT_impl.hh:573
MeshViewerWidgetT::open_mesh
virtual bool open_mesh(const char *_filename, OpenMesh::IO::Options _opt)
open mesh
Definition: MeshViewerWidgetT_impl.hh:78
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
MeshViewerWidgetT::~MeshViewerWidgetT
~MeshViewerWidgetT()
destructor
Definition: MeshViewerWidgetT.hh:98
MeshViewerWidgetT::draw_openmesh
virtual void draw_openmesh(const std::string &_drawmode)
draw the mesh
Definition: MeshViewerWidgetT_impl.hh:285
Timer.hh
OpenMesh::StripifierT::stripify
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT_impl.hh:82
Attributes.hh
OpenMesh::StripifierT::clear
void clear()
delete all strips
Definition: StripifierT.hh:100
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
OpenMesh::VectorT< float, 3 >
QGLViewerWidget
Definition: QGLViewerWidget.hh:68
OpenMesh::FPropHandleT< typename Mesh::Point >
MeshViewerWidgetT::open_texture
virtual bool open_texture(const char *_filename)
load texture
Definition: MeshViewerWidgetT_impl.hh:207