csgeom/subrec2.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2001 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_SUBREC2_H__ 00020 #define __CS_SUBREC2_H__ 00021 00028 #include "csgeom/csrect.h" 00029 #include "csutil/blockallocator.h" 00030 00031 class csSubRect2; 00032 00038 class csSubRectangles2 00039 { 00040 friend class csSubRect2; 00041 protected: 00043 csRect region; 00045 csSubRect2* root; 00046 00047 csBlockAllocator<csSubRect2> alloc; 00048 00049 csSubRect2* AllocSubrect (); 00050 00051 void Grow (csSubRect2* sr, int ow, int oh, int nw, int nh); 00052 public: 00054 csSubRectangles2 (const csRect& region); 00055 00057 ~csSubRectangles2 (); 00058 00060 const csRect& GetRectangle () const { return region; } 00061 00065 void Clear (); 00066 00070 csSubRect2* Alloc (int w, int h, csRect& rect); 00071 00075 void Reclaim (csSubRect2* subrect); 00076 00081 bool Grow (int newWidth, int newHeight); 00082 00086 void Dump (); 00087 }; 00088 00091 #endif // __CS_SUBREC_H__ 00092
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