nel/src/misc/rect.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "stdmisc.h"
  18
  19 #include "nel/misc/rect.h"
  20 #include "nel/misc/vector_2f.h"
  21
  22 #ifdef DEBUG_NEW
  23         #define new DEBUG_NEW
  24 #endif
  25
  26 namespace NLMISC {
  27
  28 // *********************************************************************
  29 void CRect::extend (sint32 x, sint32 y)
  30 {
  31         if (x<X)
  32         {
  33                 Width+=(uint32)(X-x);
  34                 x=X;
  35         }
  36         else if (x>=(X+(sint32)Width))
  37                 Width=(uint32)(x-X+1);
  38         if (y<Y)
  39         {
  40                 Height+=(uint32)(Y-y);
  41                 y=Y;
  42         }
  43         else if (y>=(Y+(sint32)Height))
  44                 Height=(uint32)(y-Y+1);
  45 }
  46
  47
  48 // *********************************************************************
  49 void CRect::setWH(sint32 x, sint32 y, uint32 width, uint32 height)
  50 {
  51         X=x;
  52         Y=y;
  53         Width=width;
  54         Height=height;
  55 }
  56
  57
  58 // *********************************************************************
  59 void CRect::set(sint32 x0, sint32 y0, sint32 x1, sint32 y1)
  60 {
  61         if (x0 < x1)
  62         {
  63                 X = x0;
  64                 Width = x1 - x0;
  65         }
  66         else
  67         {
  68                 X = x1;
  69                 Width = y0 - y1;
  70         }
  71
  72         if (y0 < y1)
  73         {
  74                 Y = y0;
  75                 Height = y1 - y0;
  76         }
  77         else
  78         {
  79                 Y = y1;
  80                 Height = y0 - y1;
  81         }
  82 }
  83
  84 // *********************************************************************
  85 CRect::CRect (sint32 x, sint32 y, uint32 width, uint32 height)
  86 {
  87         setWH(x, y, width, height);
  88 }
  89
  90
  91
  92
  93 } // NLMISC