Developer Documentation

DecimaterViewerWidget.hh
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44
45 #ifndef OPENMESHAPPS_DECIMATERVIEWERWIDGET_HH
46 #define OPENMESHAPPS_DECIMATERVIEWERWIDGET_HH
47
48
49 //== INCLUDES =================================================================
50
51 #if !defined(OM_USE_OSG)
52 # define OM_USE_OSG 0
53 #endif
54
55
56 #include <qtimer.h>
57 #include <string>
58 #include <memory>
59
60 //--------------------
61 #include <OpenMesh/Core/IO/MeshIO.hh>
62 //--------------------
63 #if OM_USE_OSG
64 # include <OpenMesh/Tools/Kernel_OSG/TriMesh_OSGArrayKernelT.hh>
65 # define DEFAULT_TRAITS Kernel_OSG::Traits
66 # define TRIMESH_KERNEL Kernel_OSG::TriMesh_OSGArrayKernelT
67 #else
68 //--------------------
69 # include <OpenMesh/Core/Mesh/Traits.hh>
70 # include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
71 # define DEFAULT_TRAITS DefaultTraits
72 # define TRIMESH_KERNEL TriMesh_ArrayKernelT
73 #endif
74
75 #include <OpenMesh/Apps/QtViewer/MeshViewerWidgetT.hh>
76
77 #include <OpenMesh/Tools/Decimater/DecimaterT.hh>
78 #include <OpenMesh/Tools/Decimater/ModNormalFlippingT.hh>
79 #include <OpenMesh/Tools/Decimater/ModQuadricT.hh>
80
81
82 //== CLASS DEFINITION =========================================================
83
84
85 using namespace OpenMesh;
86
87 struct MyTraits : public DEFAULT_TRAITS
88 {
89 VertexAttributes ( Attributes::Normal );
90 FaceAttributes ( Attributes::Normal );
91 };
92
93 typedef TRIMESH_KERNEL<MyTraits> mesh_t;
94 typedef MeshViewerWidgetT<mesh_t> MeshViewerWidget;
95
96 //== CLASS DEFINITION =========================================================
97
98
99 class DecimaterViewerWidget : public MeshViewerWidget
100 {
101 Q_OBJECT
102
103 public:
104
105 typedef MeshViewerWidget inherited_t;
106
107 typedef Decimater::DecimaterT<mesh_t> decimater_t;
108 typedef Decimater::ModQuadricT< mesh_t >::Handle mod_quadric_t;
109 typedef Decimater::ModNormalFlippingT< mesh_t >::Handle mod_nf_t;
110
111 // object types
112 #if (defined(_MSC_VER) && (_MSC_VER >= 1800)) || __cplusplus > 199711L || defined(__GXX_EXPERIMENTAL_CXX0X__)
113 typedef std::unique_ptr< decimater_t > decimater_o;
114 #else
115 typedef std::auto_ptr< decimater_t > decimater_o;
116 #endif
117
118
119
121 explicit DecimaterViewerWidget(QWidget* _parent=0)
122 : MeshViewerWidget(_parent),
123 animate_(false),
124 timer_(0),
125 steps_(1)
126 {
127 timer_ = new QTimer(this);
128
129 connect( timer_, SIGNAL(timeout()), SLOT(animate()) );
130 }
131
132 DecimaterViewerWidget() :
133 animate_(false),
134 timer_(0),
135 steps_(0)
136 {
137 }
138
140 ~DecimaterViewerWidget()
141 {
142 delete timer_;
143 }
144
145 public: // inherited
146
147 bool open_mesh(const char* _filename, OpenMesh::IO::Options _opt) override
148 {
149 bool rc;
150
151 if ( (rc = inherited_t::open_mesh( _filename, _opt )) )
152 {
153 std::cout << "prepare decimater" << std::endl;
154
155 decimater_ = decimater_o ( new decimater_t ( mesh() ) );
156
157 decimater_->add(mod_quadric_);
158 decimater_->module(mod_quadric_).set_binary(false);
159
160 decimater_->add(mod_nf_);
161
162 decimater_->initialize();
163 }
164 return rc;
165 }
166
167 protected slots:
168
169 void animate( void );
170
171 protected:
172
173 virtual void keyPressEvent(QKeyEvent* _event) override;
174
175
176 private:
177
178 bool animate_;
179 QTimer *timer_;
180
181 decimater_o decimater_;
182 mod_quadric_t mod_quadric_;
183 mod_nf_t mod_nf_;
184
185 size_t steps_;
186 };
187
188
189 //=============================================================================
190 #endif // OPENMESHAPPS_DECIMATERVIEWERWIDGET_HH defined
191 //=============================================================================
192
DecimaterT.hh
DecimaterViewerWidget::DecimaterViewerWidget
DecimaterViewerWidget(QWidget *_parent=0)
default constructor
Definition: DecimaterViewerWidget.hh:121
MeshViewerWidget
Definition: MeshViewerWidget.hh:75
Traits.hh
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:82
OpenMesh
Definition: MeshItems.hh:59
VertexAttributes
#define VertexAttributes(_i)
Macro for defining the vertex attributes. See Specifying your MyMesh.
Definition: Traits.hh:79
DecimaterViewerWidget
Definition: DecimaterViewerWidget.hh:99
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
DecimaterViewerWidget::~DecimaterViewerWidget
~DecimaterViewerWidget()
destructor
Definition: DecimaterViewerWidget.hh:140
ModNormalFlippingT.hh
MeshViewerWidgetT
Definition: MeshViewerWidgetT.hh:70
DecimaterViewerWidget::open_mesh
bool open_mesh(const char *_filename, OpenMesh::IO::Options _opt) override
open mesh
Definition: DecimaterViewerWidget.hh:147
FaceAttributes
#define FaceAttributes(_i)
Macro for defining the face attributes. See Specifying your MyMesh.
Definition: Traits.hh:88
ModQuadricT.hh