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 00035 class csPolyIndexed 00036 { 00037 protected: 00039 int* vertices_idx; 00041 int num_vertices; 00043 int max_vertices; 00044 00045 public: 00049 csPolyIndexed (int start_size = 10); 00050 00052 csPolyIndexed (csPolyIndexed& copy); 00053 00055 virtual ~csPolyIndexed (); 00056 00058 csPolyIndexed& operator = (const csPolyIndexed& other); 00059 00063 void MakeEmpty (); 00064 00068 int GetVertexCount () const { return num_vertices; } 00069 00073 int* GetVertexIndices () { return vertices_idx; } 00074 00078 const int* GetVertexIndices () const { return vertices_idx; } 00079 00083 int GetVertex (int i) const 00084 { 00085 if (i<0 || i>=num_vertices) return -1; 00086 return vertices_idx[i]; 00087 } 00088 00092 int& operator[] (int i) 00093 { 00094 CS_ASSERT (i >= 0 && i < num_vertices); 00095 return vertices_idx[i]; 00096 } 00097 00101 int& operator[] (int i) const 00102 { 00103 CS_ASSERT (i >= 0 && i < num_vertices); 00104 return vertices_idx[i]; 00105 } 00106 00110 void MakeRoom (int new_max); 00111 00116 int AddVertex (int i); 00117 }; 00118 00121 #endif // __CS_POLYIDX_H__
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