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csgeom/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 "csextern.h"
00029 
00030 #include "csgeom/csrect.h"
00031 
00032 class csSubRect2;
00033 
00039 class CS_CSGEOM_EXPORT csSubRectangles2
00040 {
00041   friend class csSubRect2;
00042 protected:
00044   csRect region;
00046   csSubRect2* root;
00047 
00048   csSubRect2* AllocSubrect ();
00049   
00050   void Grow (csSubRect2* sr, int ow, int oh, int nw, int nh);
00051 public:
00053   csSubRectangles2 (const csRect& region);
00054 
00056   ~csSubRectangles2 ();
00057 
00059   const csRect& GetRectangle () const { return region; }
00060 
00064   void Clear ();
00065 
00069   csSubRect2* Alloc (int w, int h, csRect& rect);
00070 
00074   void Reclaim (csSubRect2* subrect);
00075 
00080   bool Grow (int newWidth, int newHeight);
00081 
00085   void Dump ();
00086 };
00087 
00090 #endif // __CS_SUBREC_H__
00091 

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