OpenMesh: OpenMesh/Apps/QtViewer/MeshViewerWidgetT.hh Source File

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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 explicit 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 normal_scale_(1.0)
90 {
91 add_draw_mode("Points");
92 add_draw_mode("Hidden-Line");
93 #if defined(OM_USE_OSG) && OM_USE_OSG
94 add_draw_mode("OpenSG Indices");
95 #endif
96 }
97
99 ~MeshViewerWidgetT() {}
100
101 public:
102
104 virtual bool open_mesh(const char* _filename, OpenMesh::IO::Options _opt);
105
107 virtual bool open_texture( const char *_filename );
108 bool set_texture( QImage& _texsrc );
109
110 void enable_strips();
111 void disable_strips();
112
113
114 Mesh& mesh() { return mesh_; }
115 const Mesh& mesh() const { return mesh_; }
116
117 protected:
118
120 virtual void draw_scene(const std::string& _draw_mode) override;
121
122 protected:
123
125 virtual void draw_openmesh(const std::string& _drawmode);
126
127
128 void glVertex( const typename Mesh::VertexHandle _vh )
129 { glVertex3fv( &mesh_.point( _vh )[0] ); }
130
131 void glVertex( const typename Mesh::Point& _p )
132 { glVertex3fv( &_p[0] ); }
133
134 void glNormal( const typename Mesh::VertexHandle _vh )
135 { glNormal3fv( &mesh_.normal( _vh )[0] ); }
136
137 void glTexCoord( const typename Mesh::VertexHandle _vh )
138 { glTexCoord2fv( &mesh_.texcoord(_vh)[0] ); }
139
140 void glColor( const typename Mesh::VertexHandle _vh )
141 { glColor3ubv( &mesh_.color(_vh)[0] ); }
142
143 // face properties
144
145 void glNormal( const typename Mesh::FaceHandle _fh )
146 { glNormal3fv( &mesh_.normal( _fh )[0] ); }
147
148 void glColor( const typename Mesh::FaceHandle _fh )
149 { glColor3ubv( &mesh_.color(_fh)[0] ); }
150
151 void glMaterial( const typename Mesh::FaceHandle _fh,
152 int _f=GL_FRONT_AND_BACK, int _m=GL_DIFFUSE )
153 {
154 OpenMesh::Vec3f c=OpenMesh::color_cast<OpenMesh::Vec3f>(mesh_.color(_fh));
155 OpenMesh::Vec4f m( c[0], c[1], c[2], 1.0f );
156
157 glMaterialfv(_f, _m, &m[0]);
158 }
159
160
161 protected: // Strip support
162
163 void compute_strips(void)
164 {
165 if (f_strips_)
166 {
167 strips_.clear();
168 strips_.stripify();
169 }
170 }
171
172 protected: // inherited
173
174 virtual void keyPressEvent( QKeyEvent* _event) override;
175
176 protected:
177
178 bool f_strips_; // enable/disable strip usage
179 GLuint tex_id_;
180 GLint tex_mode_;
181 OpenMesh::IO::Options opt_; // mesh file contained texcoords?
182
183 Mesh mesh_;
184 MyStripifier strips_;
185 bool use_color_;
186 bool show_vnormals_;
187 bool show_fnormals_;
188 float normal_scale_;
189 OpenMesh::FPropHandleT< typename Mesh::Point > fp_normal_base_;
190 };
191
192
193 //=============================================================================
194 #if defined(OM_INCLUDE_TEMPLATES)
195 # define OPENMESH_MESHVIEWERWIDGET_TEMPLATES
196 # include "MeshViewerWidgetT_impl.hh"
197 #endif
198 //=============================================================================
199
Attributes.hh
This file provides some macros containing attribute usage.
Timer.hh
A timer class.
MeshViewerWidgetT
Definition: MeshViewerWidgetT.hh:71
MeshViewerWidgetT::MeshViewerWidgetT
MeshViewerWidgetT(QWidget *_parent=0)
default constructor
Definition: MeshViewerWidgetT.hh:80
MeshViewerWidgetT::open_texture
virtual bool open_texture(const char *_filename)
load texture
Definition: MeshViewerWidgetT_impl.hh:203
MeshViewerWidgetT::open_mesh
virtual bool open_mesh(const char *_filename, OpenMesh::IO::Options _opt)
open mesh
Definition: MeshViewerWidgetT_impl.hh:75
MeshViewerWidgetT::draw_scene
virtual void draw_scene(const std::string &_draw_mode) override
inherited drawing method
Definition: MeshViewerWidgetT_impl.hh:569
MeshViewerWidgetT::draw_openmesh
virtual void draw_openmesh(const std::string &_drawmode)
draw the mesh
Definition: MeshViewerWidgetT_impl.hh:281
MeshViewerWidgetT::~MeshViewerWidgetT
~MeshViewerWidgetT()
destructor
Definition: MeshViewerWidgetT.hh:99
QGLViewerWidget
Definition: QGLViewerWidget.hh:73
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:650
OpenMesh::VectorT< float, 3 >
VectorT< float, 4 >
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:91
OpenMesh::FPropHandleT< typename Mesh::Point >
OpenMesh::StripifierT
This class decomposes a triangle mesh into several triangle strips.
Definition: StripifierT.hh:80
OpenMesh::StripifierT::clear
void clear()
delete all strips
Definition: StripifierT.hh:100
OpenMesh::StripifierT::stripify
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT_impl.hh:82