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# Core/IO/importer/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 //=============================================================================