Developer Documentation

BaseImporter.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 * ========================================================================= */
41
42
43
44
45 //=============================================================================
46 //
47 // Implements the baseclass for IOManager importer modules
48 //
49 //=============================================================================
50
51
52 #ifndef __BASEIMPORTER_HH__
53 #define __BASEIMPORTER_HH__
54
55
56 //=== INCLUDES ================================================================
57
58
59 // STL
60 #include <vector>
61
62 // OpenMesh
63 #include <OpenMesh/Core/System/config.h>
64 #include <OpenMesh/Core/Geometry/VectorT.hh>
65 #include <OpenMesh/Core/Mesh/BaseKernel.hh>
66
67
68 //== NAMESPACES ===============================================================
69
70
71 namespace OpenMesh {
72 namespace IO {
73
74
75 //=== IMPLEMENTATION ==========================================================
76
77
83 class OPENMESHDLLEXPORT BaseImporter
84 {
85 public:
86
87 // base class needs virtual destructor
88 virtual ~BaseImporter() {}
89
90
91 // add a vertex with coordinate \c _point
92 virtual VertexHandle add_vertex(const Vec3f& _point) = 0;
93
94 // add a vertex without coordinate. Use set_point to set the position deferred
95 virtual VertexHandle add_vertex() = 0;
96
97 // add an edge. Use set_next, set_vertex and set_face to set corresponding entities for halfedges
98 virtual HalfedgeHandle add_edge(VertexHandle _vh0, VertexHandle _vh1) = 0;
99
100 // add a face with indices _indices refering to vertices
101 typedef std::vector<VertexHandle> VHandles;
102 virtual FaceHandle add_face(const VHandles& _indices) = 0;
103
104 // add a face with incident halfedge
105 virtual FaceHandle add_face(HalfedgeHandle _heh) = 0;
106
107 // add texture coordinates per face, _vh references the first texcoord
108 virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords) = 0;
109
110 // add texture 3d coordinates per face, _vh references the first texcoord
111 virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec3f>& _face_texcoords) = 0;
112
113 // Set the texture index for a face
114 virtual void set_face_texindex( FaceHandle _fh, int _texId ) = 0;
115
116 // Set coordinate of the given vertex. Use this function, if you created a vertex without coordinate
117 virtual void set_point(VertexHandle _vh, const Vec3f& _point) = 0;
118
119 // Set outgoing halfedge for the given vertex.
120 virtual void set_halfedge(VertexHandle _vh, HalfedgeHandle _heh) = 0;
121
122 // set vertex normal
123 virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
124
125 // set vertex color
126 virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0;
127
128 // set vertex color
129 virtual void set_color(VertexHandle _vh, const Vec4uc& _color) = 0;
130
131 // set vertex color
132 virtual void set_color(VertexHandle _vh, const Vec3f& _color) = 0;
133
134 // set vertex color
135 virtual void set_color(VertexHandle _vh, const Vec4f& _color) = 0;
136
137 // set vertex texture coordinate
138 virtual void set_texcoord(VertexHandle _vh, const Vec2f& _texcoord) = 0;
139
140 // set vertex status
141 virtual void set_status(VertexHandle _vh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
142
143 // set next halfedge handle
144 virtual void set_next(HalfedgeHandle _heh, HalfedgeHandle _next) = 0;
145
146 // set incident face handle for given halfedge
147 virtual void set_face(HalfedgeHandle _heh, FaceHandle _fh) = 0;
148
149 // set vertex texture coordinate
150 virtual void set_texcoord(HalfedgeHandle _heh, const Vec2f& _texcoord) = 0;
151
152 // set 3d vertex texture coordinate
153 virtual void set_texcoord(VertexHandle _vh, const Vec3f& _texcoord) = 0;
154
155 // set 3d vertex texture coordinate
156 virtual void set_texcoord(HalfedgeHandle _heh, const Vec3f& _texcoord) = 0;
157
158 // set halfedge status
159 virtual void set_status(HalfedgeHandle _heh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
160
161 // set edge color
162 virtual void set_color(EdgeHandle _eh, const Vec3uc& _color) = 0;
163
164 // set edge color
165 virtual void set_color(EdgeHandle _eh, const Vec4uc& _color) = 0;
166
167 // set edge color
168 virtual void set_color(EdgeHandle _eh, const Vec3f& _color) = 0;
169
170 // set edge color
171 virtual void set_color(EdgeHandle _eh, const Vec4f& _color) = 0;
172
173 // set edge status
174 virtual void set_status(EdgeHandle _eh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
175
176 // set face normal
177 virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0;
178
179 // set face color
180 virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0;
181
182 // set face color
183 virtual void set_color(FaceHandle _fh, const Vec4uc& _color) = 0;
184
185 // set face color
186 virtual void set_color(FaceHandle _fh, const Vec3f& _color) = 0;
187
188 // set face color
189 virtual void set_color(FaceHandle _fh, const Vec4f& _color) = 0;
190
191 // set face status
192 virtual void set_status(FaceHandle _fh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
193
194 // Store a property in the mesh mapping from an int to a texture file
195 // Use set_face_texindex to set the index for each face
196 virtual void add_texture_information( int _id , std::string _name ) = 0;
197
198 // get reference to base kernel
199 virtual BaseKernel* kernel() { return nullptr; }
200
201 virtual bool is_triangle_mesh() const { return false; }
202
203 // reserve mem for elements
204 virtual void reserve( unsigned int /* nV */,
205 unsigned int /* nE */,
206 unsigned int /* nF */) {}
207
208 // query number of faces, vertices, normals, texcoords
209 virtual size_t n_vertices() const = 0;
210 virtual size_t n_faces() const = 0;
211 virtual size_t n_edges() const = 0;
212
213
214 // pre-processing
215 virtual void prepare() {}
216
217 // post-processing
218 virtual void finish() {}
219 };
220
221
222 //=============================================================================
223 } // namespace IO
224 } // namespace OpenMesh
225 //=============================================================================
226 #endif
227 //=============================================================================
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition: Handles.hh:134
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:141
OpenMesh::Attributes::StatusInfo
Definition: Status.hh:94
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition: Handles.hh:127
config.h
OpenMesh::VectorT< float, 3 >
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:120
OpenMesh
Definition: MeshItems.hh:59
OpenMesh::IO::BaseImporter
Definition: BaseImporter.hh:83
OpenMesh::BaseKernel
Definition: BaseKernel.hh:97