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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 */
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
/*LINTLIBRARY*/
#include <stdlib.h>
#include <stdio.h>
#include "con.h"
float obotx = 0.0;
float oboty = 0.0;
float botx = 0.0;
float boty = 0.0;
float scalex = 1.0;
float scaley = 1.0;
int scaleflag = 0;
int oloy = -1;
int ohiy = -1;
int ohix = -1;
int oextra = -1;
void
putch(char c)
{
(void) putc(c, stdout);
}
void
cont(short x, short y)
{
short hix, hiy, lox, loy, extra;
short n;
x = (short)((x - obotx) * scalex + botx);
y = (short)((y - oboty) * scaley + boty);
hix = (x>>7) & 037;
hiy = (y>>7) & 037;
lox = (x>>2) & 037;
loy = (y>>2) & 037;
extra = x & 03 + (y<<2) & 014;
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);
}
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