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ExporterT.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
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7 * www.openmesh.org *
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40 * ========================================================================= */
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
46 * *
47 \*===========================================================================*/
48
49
50 //=============================================================================
51 //
52 // Implements an exporter module for arbitrary OpenMesh meshes
53 //
54 //=============================================================================
55
56
57 #ifndef __EXPORTERT_HH__
58 #define __EXPORTERT_HH__
59
60
61 //=== INCLUDES ================================================================
62
63 // C++
64 #include <vector>
65
66 // OpenMesh
67 #include <OpenMesh/Core/System/config.h>
68 #include <OpenMesh/Core/Geometry/VectorT.hh>
69 #include <OpenMesh/Core/Utils/GenProg.hh>
70 #include <OpenMesh/Core/Utils/vector_cast.hh>
71 #include <OpenMesh/Core/Utils/color_cast.hh>
72 #include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
73
74
75 //=== NAMESPACES ==============================================================
76
77 namespace OpenMesh {
78 namespace IO {
79
80
81 //=== EXPORTER CLASS ==========================================================
82
86 template <class Mesh>
87 class ExporterT : public BaseExporter
88 {
89 public:
90
91 // Constructor
92 ExporterT(const Mesh& _mesh) : mesh_(_mesh) {}
93
94
95 // get vertex data
96
97 Vec3f point(VertexHandle _vh) const
98 {
99 return vector_cast<Vec3f>(mesh_.point(_vh));
100 }
101
102 Vec3f normal(VertexHandle _vh) const
103 {
104 return (mesh_.has_vertex_normals()
105 ? vector_cast<Vec3f>(mesh_.normal(_vh))
106 : Vec3f(0.0f, 0.0f, 0.0f));
107 }
108
109 Vec3uc color(VertexHandle _vh) const
110 {
111 return (mesh_.has_vertex_colors()
112 ? color_cast<Vec3uc>(mesh_.color(_vh))
113 : Vec3uc(0, 0, 0));
114 }
115
116 Vec4uc colorA(VertexHandle _vh) const
117 {
118 return (mesh_.has_vertex_colors()
119 ? color_cast<Vec4uc>(mesh_.color(_vh))
120 : Vec4uc(0, 0, 0, 0));
121 }
122
123 Vec3ui colori(VertexHandle _vh) const
124 {
125 return (mesh_.has_vertex_colors()
126 ? color_cast<Vec3ui>(mesh_.color(_vh))
127 : Vec3ui(0, 0, 0));
128 }
129
130 Vec4ui colorAi(VertexHandle _vh) const
131 {
132 return (mesh_.has_vertex_colors()
133 ? color_cast<Vec4ui>(mesh_.color(_vh))
134 : Vec4ui(0, 0, 0, 0));
135 }
136
137 Vec3f colorf(VertexHandle _vh) const
138 {
139 return (mesh_.has_vertex_colors()
140 ? color_cast<Vec3f>(mesh_.color(_vh))
141 : Vec3f(0, 0, 0));
142 }
143
144 Vec4f colorAf(VertexHandle _vh) const
145 {
146 return (mesh_.has_vertex_colors()
147 ? color_cast<Vec4f>(mesh_.color(_vh))
148 : Vec4f(0, 0, 0, 0));
149 }
150
151 Vec2f texcoord(VertexHandle _vh) const
152 {
153 #if defined(OM_CC_GCC) && (OM_CC_VERSION<30000)
154 // Workaround!
155 // gcc 2.95.3 exits with internal compiler error at the
156 // code below!??? **)
157 if (mesh_.has_vertex_texcoords2D())
158 return vector_cast<Vec2f>(mesh_.texcoord2D(_vh));
159 return Vec2f(0.0f, 0.0f);
160 #else // **)
161 return (mesh_.has_vertex_texcoords2D()
162 ? vector_cast<Vec2f>(mesh_.texcoord2D(_vh))
163 : Vec2f(0.0f, 0.0f));
164 #endif
165 }
166
167 // get edge data
168
169 Vec3uc color(EdgeHandle _eh) const
170 {
171 return (mesh_.has_edge_colors()
172 ? color_cast<Vec3uc>(mesh_.color(_eh))
173 : Vec3uc(0, 0, 0));
174 }
175
176 Vec4uc colorA(EdgeHandle _eh) const
177 {
178 return (mesh_.has_edge_colors()
179 ? color_cast<Vec4uc>(mesh_.color(_eh))
180 : Vec4uc(0, 0, 0, 0));
181 }
182
183 Vec3ui colori(EdgeHandle _eh) const
184 {
185 return (mesh_.has_edge_colors()
186 ? color_cast<Vec3ui>(mesh_.color(_eh))
187 : Vec3ui(0, 0, 0));
188 }
189
190 Vec4ui colorAi(EdgeHandle _eh) const
191 {
192 return (mesh_.has_edge_colors()
193 ? color_cast<Vec4ui>(mesh_.color(_eh))
194 : Vec4ui(0, 0, 0, 0));
195 }
196
197 Vec3f colorf(EdgeHandle _eh) const
198 {
199 return (mesh_.has_vertex_colors()
200 ? color_cast<Vec3f>(mesh_.color(_eh))
201 : Vec3f(0, 0, 0));
202 }
203
204 Vec4f colorAf(EdgeHandle _eh) const
205 {
206 return (mesh_.has_vertex_colors()
207 ? color_cast<Vec4f>(mesh_.color(_eh))
208 : Vec4f(0, 0, 0, 0));
209 }
210
211 // get face data
212
213 unsigned int get_vhandles(FaceHandle _fh,
214 std::vector<VertexHandle>& _vhandles) const
215 {
216 unsigned int count(0);
217 _vhandles.clear();
218 for (typename Mesh::CFVIter fv_it=mesh_.cfv_iter(_fh); fv_it.is_valid(); ++fv_it)
219 {
220 _vhandles.push_back(*fv_it);
221 ++count;
222 }
223 return count;
224 }
225
226 Vec3f normal(FaceHandle _fh) const
227 {
228 return (mesh_.has_face_normals()
229 ? vector_cast<Vec3f>(mesh_.normal(_fh))
230 : Vec3f(0.0f, 0.0f, 0.0f));
231 }
232
233 Vec3uc color(FaceHandle _fh) const
234 {
235 return (mesh_.has_face_colors()
236 ? color_cast<Vec3uc>(mesh_.color(_fh))
237 : Vec3uc(0, 0, 0));
238 }
239
240 Vec4uc colorA(FaceHandle _fh) const
241 {
242 return (mesh_.has_face_colors()
243 ? color_cast<Vec4uc>(mesh_.color(_fh))
244 : Vec4uc(0, 0, 0, 0));
245 }
246
247 Vec3ui colori(FaceHandle _fh) const
248 {
249 return (mesh_.has_face_colors()
250 ? color_cast<Vec3ui>(mesh_.color(_fh))
251 : Vec3ui(0, 0, 0));
252 }
253
254 Vec4ui colorAi(FaceHandle _fh) const
255 {
256 return (mesh_.has_face_colors()
257 ? color_cast<Vec4ui>(mesh_.color(_fh))
258 : Vec4ui(0, 0, 0, 0));
259 }
260
261 Vec3f colorf(FaceHandle _fh) const
262 {
263 return (mesh_.has_vertex_colors()
264 ? color_cast<Vec3f>(mesh_.color(_fh))
265 : Vec3f(0, 0, 0));
266 }
267
268 Vec4f colorAf(FaceHandle _fh) const
269 {
270 return (mesh_.has_vertex_colors()
271 ? color_cast<Vec4f>(mesh_.color(_fh))
272 : Vec4f(0, 0, 0, 0));
273 }
274
275 virtual const BaseKernel* kernel() { return &mesh_; }
276
277
278 // query number of faces, vertices, normals, texcoords
279 size_t n_vertices() const { return mesh_.n_vertices(); }
280 size_t n_faces() const { return mesh_.n_faces(); }
281 size_t n_edges() const { return mesh_.n_edges(); }
282
283
284 // property information
285 bool is_triangle_mesh() const
286 { return Mesh::is_triangles(); }
287
288 bool has_vertex_normals() const { return mesh_.has_vertex_normals(); }
289 bool has_vertex_colors() const { return mesh_.has_vertex_colors(); }
290 bool has_vertex_texcoords() const { return mesh_.has_vertex_texcoords2D(); }
291 bool has_edge_colors() const { return mesh_.has_edge_colors(); }
292 bool has_face_normals() const { return mesh_.has_face_normals(); }
293 bool has_face_colors() const { return mesh_.has_face_colors(); }
294
295 private:
296
297 const Mesh& mesh_;
298 };
299
300
301 //=============================================================================
302 } // namespace IO
303 } // namespace OpenMesh
304 //=============================================================================
305 #endif
306 //=============================================================================
OpenMesh::BaseKernel
Definition: BaseKernel.hh:99
OpenMesh
Definition: MeshItems.hh:64
OpenMesh::vector_cast
void vector_cast(const src_t &_src, dst_t &_dst, GenProg::Int2Type< n >)
Cast vector type to another vector type by copying the vector elements.
Definition: vector_cast.hh:86
OpenMesh::Vec3ui
VectorT< unsigned int, 3 > Vec3ui
Definition: Vector11T.hh:767
OpenMesh::TriMesh_ArrayKernelT< CustomTraits >
config.h
OpenMesh::IO::BaseExporter
Definition: BaseExporter.hh:89
OpenMesh::Vec2f
VectorT< float, 2 > Vec2f
Definition: Vector11T.hh:752
OpenMesh::VectorT< float, 3 >
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:125
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition: Handles.hh:139
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:146
OpenMesh::Vec4uc
VectorT< unsigned char, 4 > Vec4uc
Definition: Vector11T.hh:778
OpenMesh::Vec3uc
VectorT< unsigned char, 3 > Vec3uc
Definition: Vector11T.hh:759
OpenMesh::Vec4ui
VectorT< unsigned int, 4 > Vec4ui
Definition: Vector11T.hh:786
OpenMesh::Vec3f
VectorT< float, 3 > Vec3f
Definition: Vector11T.hh:769
OpenMesh::Vec4f
VectorT< float, 4 > Vec4f
Definition: Vector11T.hh:788
OpenMesh::IO::ExporterT
Definition: ExporterT.hh:87