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SETCLIP.C
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1992-04-10
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53 lines
/**
** SETCLIP.C
**
** Copyright (C) 1992, Csaba Biegl
** 820 Stirrup Dr, Nashville, TN, 37221
** csaba@vuse.vanderbilt.edu
**
** This file is distributed under the terms listed in the document
** "copying.cb", available from the author at the address above.
** A copy of "copying.cb" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.cb".
** You should also have received a copy of the GNU General Public
** License along with this program (it is in the file "copying");
** if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
** Cambridge, MA 02139, USA.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**/
#include "grx.h"
#include "libgrx.h"
#include "clipping.h"
void GrSetClipBox(int x1,int y1,int x2,int y2)
{
CLIPBOXTOCONTEXT(CURC,x1,y1,x2,y2);
CURC->gc_xcliplo = x1;
CURC->gc_ycliplo = y1;
CURC->gc_xcliphi = x2;
CURC->gc_ycliphi = y2;
}
void GrGetClipBox(int *x1p,int *y1p,int *x2p,int *y2p)
{
*x1p = CURC->gc_xcliplo;
*y1p = CURC->gc_ycliplo;
*x2p = CURC->gc_xcliphi;
*y2p = CURC->gc_ycliphi;
}
void GrResetClipBox(void)
{
CURC->gc_xcliplo = 0;
CURC->gc_ycliplo = 0;
CURC->gc_xcliphi = CURC->gc_xmax;
CURC->gc_ycliphi = CURC->gc_ymax;
}