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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
/*
* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
* All Rights Reserved.
*/
#include <stdio.h>
float obotx = 0.;
float oboty = 0.;
float botx = 0.;
float boty = 0.;
float scalex = 1.;
float scaley = 1.;
int scaleflag;
int oloy = -1;
int ohiy = -1;
int ohix = -1;
int oextra = -1;
cont(x,y){
int hix,hiy,lox,loy,extra;
int n;
x = (x-obotx)*scalex + botx;
y = (y-oboty)*scaley + boty;
hix=(x>>7) & 037;
hiy=(y>>7) & 037;
lox = (x>>2)&037;
loy=(y>>2)&037;
extra=(x & 03) | ((y & 03) << 2);
n = (abs(hix-ohix) + abs(hiy-ohiy) + 6) / 12;
if(hiy != ohiy){
putch(hiy|040);
ohiy=hiy;
}
if(hix != ohix){
if(extra != oextra){
putch(extra|0140);
oextra=extra;
}
putch(loy|0140);
putch(hix|040);
ohix=hix;
oloy=loy;
}
else{
if(extra != oextra){
putch(extra|0140);
putch(loy|0140);
oextra=extra;
oloy=loy;
}
else if(loy != oloy){
putch(loy|0140);
oloy=loy;
}
}
putch(lox|0100);
while(n--)
putch(0);
}
putch(c){
putc(c,stdout);
}
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