line.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 40 行

#ifndef lint
static char SccsId[] = " @(#)line.c	4.1	(ULTRIX)	7/2/90";
#endif not(lint)

/*
 * Modification History
 *
 * 	April-11-1989, Pradeep Chetal
 *	Added changes from 4.3Tahoe BSD for lots of new drivers
 */

#ifndef lint
static char sccsid[] = "@(#)line.c	5.2 (Berkeley) 6/6/85";
#endif not lint

#include "aed.h"

/*---------------------------------------------------------
 *	Line draws a line between two points.
 *
 *	Results:	None.
 *
 *	Side Effects:
 *	A line is drawn on the screen between (x1, y1) and (x2, y2).
 *---------------------------------------------------------
 */
line(x1, y1, x2, y2)
int x1, y1, x2, y2;
{
    setcolor("01");
    putc('Q', stdout);
    outxy20(x1, y1);
    putc('A', stdout);
    outxy20(x2, y2);
    (void) fflush(stdout);
    curx = x2;
    cury = y2;
}