csgeom/polyidx.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 1998 by Jorrit Tyberghein 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_POLYIDX_H__ 00020 #define __CS_POLYIDX_H__ 00021 00028 #include "csextern.h" 00029 00037 class CS_CSGEOM_EXPORT csPolyIndexed 00038 { 00039 protected: 00041 int* vertices_idx; 00043 int num_vertices; 00045 int max_vertices; 00046 00047 public: 00051 csPolyIndexed (int start_size = 10); 00052 00054 csPolyIndexed (csPolyIndexed& copy); 00055 00057 virtual ~csPolyIndexed (); 00058 00060 csPolyIndexed& operator = (const csPolyIndexed& other); 00061 00065 void MakeEmpty (); 00066 00070 int GetVertexCount () const { return num_vertices; } 00071 00075 int* GetVertexIndices () { return vertices_idx; } 00076 00080 const int* GetVertexIndices () const { return vertices_idx; } 00081 00085 int GetVertex (int i) const 00086 { 00087 if (i<0 || i>=num_vertices) return -1; 00088 return vertices_idx[i]; 00089 } 00090 00094 int& operator[] (int i) 00095 { 00096 CS_ASSERT (i >= 0 && i < num_vertices); 00097 return vertices_idx[i]; 00098 } 00099 00103 int& operator[] (int i) const 00104 { 00105 CS_ASSERT (i >= 0 && i < num_vertices); 00106 return vertices_idx[i]; 00107 } 00108 00112 void MakeRoom (int new_max); 00113 00118 int AddVertex (int i); 00119 }; 00120 00123 #endif // __CS_POLYIDX_H__
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