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usercord.c
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1993-12-06
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/**
** USERCORD.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 "usercord.h"
void GrSetUserWindow(int x1,int y1,int x2,int y2)
{
CURC->gc_usrxbase = x1;
CURC->gc_usrybase = y1;
CURC->gc_usrwidth = x2 - x1;
CURC->gc_usrheight = y2 - y1;
}
void GrGetUserWindow(int *x1,int *y1,int *x2,int *y2)
{
*x1 = CURC->gc_usrxbase;
*y1 = CURC->gc_usrybase;
*x2 = CURC->gc_usrxbase + CURC->gc_usrwidth;
*y2 = CURC->gc_usrybase + CURC->gc_usrheight;
}
void GrGetScreenCoord(int *x,int *y)
{
U2SX(*x,CURC);
U2SY(*y,CURC);
}
void GrGetUserCoord(int *x,int *y)
{
S2UX(*x,CURC);
S2UY(*y,CURC);
}