nevrax.org : docs

00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #include "stdmisc.h"
00027 
00028 #include "nel/misc/rect.h"
00029 #include "nel/misc/vector_2f.h"
00030 
00031 
00032 namespace NLMISC {
00033 
00034 // *********************************************************************
00035 void CRect::extend (sint32 x, sint32 y)
00036 {
00037         if (x<X)
00038         {
00039                 Width+=(uint32)(X-x);
00040                 x=X;
00041         }
00042         else if (x>=(X+(sint32)Width))
00043                 Width=(uint32)(x-X+1);
00044         if (y<Y)
00045         {
00046                 Height+=(uint32)(Y-y);
00047                 y=Y;
00048         }
00049         else if (y>=(Y+(sint32)Height))
00050                 Height=(uint32)(y-Y+1);
00051 }
00052 
00053 
00054 // *********************************************************************
00055 void CRect::setWH(sint32 x, sint32 y, uint32 width, uint32 height)
00056 {
00057         X=x;
00058         Y=y;
00059         Width=width;
00060         Height=height;
00061 }
00062 
00063 
00064 // *********************************************************************
00065 void CRect::set(sint32 x0, sint32 y0, sint32 x1, sint32 y1)
00066 {
00067         if (x0 < x1)
00068         {
00069                 X = x0;
00070                 Width = x1 - x0;
00071         }
00072         else
00073         {
00074                 X = x1;
00075                 Width = y0 - y1;
00076         }
00077 
00078         if (y0 < y1)
00079         {
00080                 Y = y0;
00081                 Height = y1 - y0;
00082         }
00083         else
00084         {
00085                 Y = y1;
00086                 Height = y0 - y1;
00087         }
00088 }
00089 
00090 // *********************************************************************
00091 CRect::CRect (sint32 x, sint32 y, uint32 width, uint32 height)
00092 {
00093         setWH(x, y, width, height);
00094 }
00095 
00096 
00097 
00098 
00099 } // NLMISC
rect.cpp
