OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenMesh is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 362 $ * 00038 * $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 00043 //============================================================================= 00044 // 00045 // Implements the baseclass for IOManager importer modules 00046 // 00047 //============================================================================= 00048 00049 00050 #ifndef __BASEIMPORTER_HH__ 00051 #define __BASEIMPORTER_HH__ 00052 00053 00054 //=== INCLUDES ================================================================ 00055 00056 00057 // STL 00058 #include <vector> 00059 00060 // OpenMesh 00061 #include <OpenMesh/Core/System/config.h> 00062 #include <OpenMesh/Core/Geometry/VectorT.hh> 00063 #include <OpenMesh/Core/Mesh/BaseKernel.hh> 00064 00065 00066 //== NAMESPACES =============================================================== 00067 00068 00069 namespace OpenMesh { 00070 namespace IO { 00071 00072 00073 //=== IMPLEMENTATION ========================================================== 00074 00075 00081 class BaseImporter 00082 { 00083 public: 00084 00085 // base class needs virtual destructor 00086 virtual ~BaseImporter() {} 00087 00088 00089 // add a vertex with coordinate \c _point 00090 virtual VertexHandle add_vertex(const Vec3f& _point) = 0; 00091 00092 // add a face with indices _indices refering to vertices 00093 typedef std::vector<VertexHandle> VHandles; 00094 virtual FaceHandle add_face(const VHandles& _indices) = 0; 00095 00096 // add texture coordinates per face, _vh references the first texcoord 00097 virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords) = 0; 00098 00099 // Set the texture index for a face 00100 virtual void set_face_texindex( FaceHandle _fh, int _texId ) = 0; 00101 00102 // set vertex normal 00103 virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0; 00104 00105 // set vertex color 00106 virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0; 00107 00108 // set vertex color 00109 virtual void set_color(VertexHandle _vh, const Vec4uc& _color) = 0; 00110 00111 // set vertex texture coordinate 00112 virtual void set_texcoord(VertexHandle _vh, const Vec2f& _texcoord) = 0; 00113 00114 // set vertex texture coordinate 00115 virtual void set_texcoord(HalfedgeHandle _heh, const Vec2f& _texcoord) = 0; 00116 00117 // set edge color 00118 virtual void set_color(EdgeHandle _eh, const Vec3uc& _color) = 0; 00119 00120 // set edge color 00121 virtual void set_color(EdgeHandle _eh, const Vec4uc& _color) = 0; 00122 00123 // set face normal 00124 virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0; 00125 00126 // set face color 00127 virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0; 00128 00129 // set face color 00130 virtual void set_color(FaceHandle _fh, const Vec4uc& _color) = 0; 00131 00132 // Store a property in the mesh mapping from an int to a texture file 00133 // Use set_face_texindex to set the index for each face 00134 virtual void add_texture_information( int _id , std::string _name ) = 0; 00135 00136 // get reference to base kernel 00137 virtual BaseKernel* kernel() { return 0; } 00138 00139 virtual bool is_triangle_mesh() const { return false; } 00140 00141 // reserve mem for elements 00142 virtual void reserve( unsigned int /* nV */, 00143 unsigned int /* nE */, 00144 unsigned int /* nF */) {} 00145 00146 // query number of faces, vertices, normals, texcoords 00147 virtual size_t n_vertices() const = 0; 00148 virtual size_t n_faces() const = 0; 00149 virtual size_t n_edges() const = 0; 00150 00151 00152 // pre-processing 00153 virtual void prepare() {} 00154 00155 // post-processing 00156 virtual void finish() {} 00157 }; 00158 00159 00160 //============================================================================= 00161 } // namespace IO 00162 } // namespace OpenMesh 00163 //============================================================================= 00164 #endif 00165 //=============================================================================