65 lines
1.3 KiB
C
Executable File
65 lines
1.3 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)subr.c 1.1 90/08/19 SMI" /* SVr4.0 1.1 */
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/*
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* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
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* All Rights Reserved.
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*/
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/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#include <stdio.h>
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float obotx = 0.;
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float oboty = 0.;
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float botx = 0.;
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float boty = 0.;
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float scalex = 1.;
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float scaley = 1.;
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int scaleflag;
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int oloy = -1;
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int ohiy = -1;
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int ohix = -1;
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cont(x,y){
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int hix,hiy,lox,loy;
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int n;
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x = (x-obotx)*scalex + botx;
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y = (y-oboty)*scaley + boty;
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hix=(x>>5) & 037;
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hiy=(y>>5) & 037;
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lox = x & 037;
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loy = y & 037;
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n = (abs(hix-ohix) + abs(hiy-ohiy) + 6) / 12;
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if(hiy != ohiy){
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putch(hiy|040);
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ohiy=hiy;
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}
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if(hix != ohix){
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putch(loy|0140);
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putch(hix|040);
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ohix=hix;
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oloy=loy;
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}
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else if(loy != oloy){
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putch(loy|0140);
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oloy=loy;
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}
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putch(lox|0100);
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while(n--)
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putch(0);
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}
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putch(c){
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putc(c,stdout);
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}
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