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subrec2.h

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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 public:
00052   csSubRectangles2 (const csRect& region);
00053 
00055   ~csSubRectangles2 ();
00056 
00058   const csRect& GetRectangle () const { return region; }
00059 
00063   void Clear ();
00064 
00068   csSubRect2* Alloc (int w, int h, csRect& rect);
00069 
00073   void Reclaim (csSubRect2* subrect);
00074 
00078   void Dump ();
00079 };
00080 
00083 #endif // __CS_SUBREC_H__
00084 

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