92 lines
2.6 KiB
C
Executable File
92 lines
2.6 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
|
|
/* All Rights Reserved */
|
|
|
|
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
|
|
/* The copyright notice above does not evidence any */
|
|
/* actual or intended publication of such source code. */
|
|
|
|
#ident "@(#)open.c 1.1 90/08/19 SMI" /* SVr4.0 1.1 */
|
|
|
|
/*
|
|
* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
|
|
* All Rights Reserved.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1980 Regents of the University of California.
|
|
* All rights reserved. The Berkeley software License Agreement
|
|
* specifies the terms and conditions for redistribution.
|
|
*/
|
|
|
|
|
|
/*
|
|
* Displays plot files on a AED512 graphics terminal.
|
|
*/
|
|
|
|
#include "aed.h"
|
|
|
|
char dbuf[BUFSIZ]; /* Used to buffer display characters */
|
|
struct sgttyb sgttyb; /* Used to save terminal control bits */
|
|
int curx, cury; /* Current screen position */
|
|
int xbot, ybot; /* Coordinates of screen lower-left corner */
|
|
int scale; /* The number of pixels per 2**12 units
|
|
* of world coordinates.
|
|
*/
|
|
|
|
/*
|
|
* The following is the color map, containing reg, green, and blue
|
|
* values for color locations 0 and 1.
|
|
*/
|
|
|
|
static int colors[] = {200, 200, 200, 0, 0, 125, 125, 0, 0, 125, 0, 0};
|
|
|
|
/*---------------------------------------------------------
|
|
* Openpl initializes the graphics display and clears its screen.
|
|
*
|
|
* Results: None.
|
|
*
|
|
* Side Effects:
|
|
* The display is re-initialized and the file is remembered for
|
|
* use in all subsequent calls to this module. The display's
|
|
* color map is reset. The display is put into raw mode, but
|
|
* the previous mode bits are saved.
|
|
*
|
|
* Errors: None.
|
|
*---------------------------------------------------------
|
|
*/
|
|
openpl()
|
|
{
|
|
int flags, *p, i;
|
|
char dum[4];
|
|
|
|
/* First, grab up the display modes, then reset them to put it
|
|
* into cooked mode. Also, lock the terminal.
|
|
*/
|
|
|
|
(void) gtty(fileno(stdout), &sgttyb);
|
|
flags = sgttyb.sg_flags;
|
|
sgttyb.sg_flags = (sgttyb.sg_flags & ~(RAW)) | EVENP | ODDP;
|
|
(void) stty(fileno(stdout), &sgttyb);
|
|
sgttyb.sg_flags = flags;
|
|
|
|
/* Save the file pointer around for later use, then output an
|
|
* initialization string to the display. The initialization
|
|
* string resets the terminal, sets formats, clears the display,
|
|
* initializes the read and write masks, and sets the color map.
|
|
*/
|
|
|
|
setbuf(stdout, dbuf);
|
|
fputs("\33\33G1HHHN[00LFFCFFMFFFFFFFF", stdout);
|
|
fputs("K0004", stdout);
|
|
p = colors;
|
|
for (i=0; i<12; i++)
|
|
{
|
|
chex(*p++, dum, 2);
|
|
fputs(dum, stdout);
|
|
}
|
|
fputs("^15060AL", stdout);
|
|
scale = 1<<12;
|
|
curx = cury = xbot = ybot = 0;
|
|
(void) fflush(stdout);
|
|
}
|