2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A
2N/A/*
2N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
2N/A/*LINTLIBRARY*/
2N/A
2N/A#include <stdlib.h>
2N/A#include <stdio.h>
2N/A#include "con.h"
2N/A
2N/Afloat obotx = 0.0;
2N/Afloat oboty = 0.0;
2N/Afloat botx = 0.0;
2N/Afloat boty = 0.0;
2N/Afloat scalex = 1.0;
2N/Afloat scaley = 1.0;
2N/Aint scaleflag = 0;
2N/Aint oloy = -1;
2N/Aint ohiy = -1;
2N/Aint ohix = -1;
2N/Aint oextra = -1;
2N/A
2N/A
2N/Avoid
2N/Aputch(char c)
2N/A{
2N/A (void) putc(c, stdout);
2N/A}
2N/A
2N/Avoid
2N/Acont(short x, short y)
2N/A{
2N/A short hix, hiy, lox, loy, extra;
2N/A short n;
2N/A x = (short)((x - obotx) * scalex + botx);
2N/A y = (short)((y - oboty) * scaley + boty);
2N/A hix = (x>>7) & 037;
2N/A hiy = (y>>7) & 037;
2N/A lox = (x>>2) & 037;
2N/A loy = (y>>2) & 037;
2N/A extra = x & 03 + (y<<2) & 014;
2N/A n = (abs(hix - ohix) + abs(hiy - ohiy) + 6) / 12;
2N/A if (hiy != ohiy) {
2N/A putch(hiy|040);
2N/A ohiy = hiy;
2N/A }
2N/A if (hix != ohix) {
2N/A if (extra != oextra) {
2N/A putch(extra|0140);
2N/A oextra = extra;
2N/A }
2N/A putch(loy|0140);
2N/A putch(hix|040);
2N/A ohix = hix;
2N/A oloy = loy;
2N/A } else {
2N/A if (extra != oextra) {
2N/A putch(extra|0140);
2N/A putch(loy|0140);
2N/A oextra = extra;
2N/A oloy = loy;
2N/A } else if (loy != oloy) {
2N/A putch(loy|0140);
2N/A oloy = loy;
2N/A }
2N/A }
2N/A putch(lox|0100);
2N/A while (n--)
2N/A putch(0);
2N/A}