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BaseImporter.hh

00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
00004  *      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen      *
00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *                                                                           *
00009  *                                License                                    *
00010  *                                                                           *
00011  *  This library is free software; you can redistribute it and/or modify it  *
00012  *  under the terms of the GNU Library General Public License as published   *
00013  *  by the Free Software Foundation, version 2.                              *
00014  *                                                                           *
00015  *  This library is distributed in the hope that it will be useful, but      *
00016  *  WITHOUT ANY WARRANTY; without even the implied warranty of               *
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
00018  *  Library General Public License for more details.                         *
00019  *                                                                           *
00020  *  You should have received a copy of the GNU Library General Public        *
00021  *  License along with this library; if not, write to the Free Software      *
00022  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
00023  *                                                                           *
00024 \*===========================================================================*/
00025 
00026 
00027 //=============================================================================
00028 //
00029 //  Implements the baseclass for IOManager importer modules
00030 //
00031 //=============================================================================
00032 
00033 
00034 #ifndef __BASEIMPORTER_HH__
00035 #define __BASEIMPORTER_HH__
00036 
00037 
00038 //=== INCLUDES ================================================================
00039 
00040 
00041 // STL
00042 #include <vector>
00043 
00044 // OpenMesh
00045 #include <OpenMesh/Core/System/config.hh>
00046 #include <OpenMesh/Core/Math/VectorT.hh>
00047 #include <OpenMesh/Core/Mesh/Kernels/Common/BaseKernel.hh>
00048 
00049 
00050 //== NAMESPACES ===============================================================
00051 
00052 
00053 namespace OpenMesh {
00054 namespace IO {
00055 
00056 
00057 //=== IMPLEMENTATION ==========================================================
00058 
00059 
00065 class BaseImporter
00066 {
00067 public:
00068 
00069   // base class needs virtual destructor
00070   virtual ~BaseImporter() {}
00071 
00072 
00073   // add a vertex with coordinate \c _point
00074   virtual VertexHandle add_vertex(const Vec3f& _point) = 0;
00075    
00076   // add a face with indices _indices refering to vertices
00077   typedef std::vector<VertexHandle> VHandles;
00078   virtual FaceHandle add_face(const VHandles& _indices) = 0;
00079 
00080   // set vertex normal
00081   virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
00082 
00083   // set vertex color
00084   virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0;
00085 
00086   // set vertex texture coordinate
00087   virtual void set_texcoord(VertexHandle _vh, const Vec2f& _texcoord) = 0;
00088 
00089   // set face normal
00090   virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0;
00091 
00092   // set face color
00093   virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0;
00094 
00095   // get reference to base kernel
00096   virtual BaseKernel* kernel() { return 0; }
00097 
00098   virtual bool is_triangle_mesh()     const { return false; }
00099 
00100   // reserve mem for elements
00101   void reserve(unsigned int nV, unsigned int nE, unsigned int nF) {}
00102 
00103   // query number of faces, vertices, normals, texcoords
00104   virtual size_t n_vertices()   const = 0;
00105   virtual size_t n_faces()      const = 0;
00106   virtual size_t n_edges()      const = 0;
00107 
00108 
00109   // pre-processing
00110   virtual void prepare()  {}
00111 
00112   // post-processing
00113   virtual void finish()  {}
00114 };
00115 
00116 
00117 //=============================================================================
00118 } // namespace IO
00119 } // namespace OpenMesh
00120 //=============================================================================
00121 #endif
00122 //=============================================================================

acg pic Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .