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BaseExporter.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 MeshWriter exporter modules
00030 //
00031 //=============================================================================
00032 
00033 
00034 #ifndef __BASEEXPORTER_HH__
00035 #define __BASEEXPORTER_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 //=== EXPORTER ================================================================
00058 
00059 
00066 class BaseExporter
00067 {
00068 public:
00069 
00070   virtual ~BaseExporter() { }
00071    
00072 
00073   // get vertex data
00074   virtual Vec3f  point(VertexHandle _vh)    const = 0;
00075   virtual Vec3f  normal(VertexHandle _vh)   const = 0;
00076   virtual Vec3uc color(VertexHandle _vh)    const = 0;
00077   virtual Vec2f  texcoord(VertexHandle _vh) const = 0;
00078 
00079   
00080   // get face data
00081   virtual unsigned int 
00082   get_vhandles(FaceHandle _fh, 
00083                std::vector<VertexHandle>& _vhandles) const=0;
00084   virtual Vec3f  normal(FaceHandle _fh)     const = 0;
00085   virtual Vec3uc color(FaceHandle _fh)      const = 0;
00086   
00087 
00088   // get reference to base kernel
00089   virtual const BaseKernel* kernel() { return 0; }
00090 
00091 
00092   // query number of faces, vertices, normals, texcoords
00093   virtual size_t n_vertices()   const = 0;
00094   virtual size_t n_faces()      const = 0;
00095   virtual size_t n_edges()      const = 0;
00096 
00097 
00098   // property information
00099   virtual bool is_triangle_mesh()     const { return false; }
00100   virtual bool has_vertex_normals()   const { return false; }
00101   virtual bool has_vertex_colors()    const { return false; }
00102   virtual bool has_vertex_texcoords() const { return false; }      
00103   virtual bool has_face_normals()     const { return false; }
00104   virtual bool has_face_colors()      const { return false; }
00105 };
00106 
00107 
00108 //=============================================================================
00109 } // namespace IO
00110 } // namespace OpenMesh
00111 //=============================================================================
00112 #endif
00113 //=============================================================================

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