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/*
 * $Id: tek.trm,v 3.26 92/03/24 22:35:45 woo Exp Locker: woo $
 */

/* GNUPLOT - tek.trm */
/*
 * Copyright (C) 1990, 1991, 1992   
 *
 * Permission to use, copy, and distribute this software and its
 * documentation for any purpose with or without fee is hereby granted, 
 * provided that the above copyright notice appear in all copies and 
 * that both that copyright notice and this permission notice appear 
 * in supporting documentation.
 *
 * Permission to modify the software is granted, but not the right to
 * distribute the modified code.  Modifications are to be distributed 
 * as patches to released version.
 *  
 * This software  is provided "as is" without express or implied warranty.
 * 
 * This file is included by ../term.c.
 *
 * This terminal driver supports:
 *  tek40xx, bitgraph, kermit_color_tek40xx, kermit_mono_tek40xx, selanar
 *  ln03plus
 *
 * AUTHORS
 *   Colin Kelley, Thomas Williams, Russell Lang
 * 
 * send your comments or suggestions to (info-gnuplot@ames.arc.nasa.gov).
 * 
 */

#ifdef TEK

#define TEK40XMAX 1024
#define TEK40YMAX 780

#define TEK40XLAST (TEK40XMAX - 1)
#define TEK40YLAST (TEK40YMAX - 1)

#define TEK40VCHAR		25
#define TEK40HCHAR		14
#define TEK40VTIC		11
#define TEK40HTIC		11	

#define HX 0x20		/* bit pattern to OR over 5-bit data */
#define HY 0x20
#define LX 0x40
#define LY 0x60

#define LOWER5 31
#define UPPER5 (31<<5)


TEK40init()
{
}


TEK40graphics()
{
#ifdef vms
	term_pasthru();
#endif /* vms */
	fprintf(outfile,"\033\014");
/*                   1
	1. clear screen
*/
	(void) fflush(outfile);
	sleep(1);  
	/* sleep 1 second to allow screen time to clear on real 
	   tektronix terminals */
}

TEK40text()
{
	TEK40move(0,12);
	fprintf(outfile,"\037");
/*                   1
	1. into alphanumerics
*/
#ifdef vms
	term_nopasthru();
#endif /* vms */
}


TEK40linetype(linetype)
int linetype;
{
}

TEK40move(x,y)
unsigned int x,y;
{
	(void) putc('\035', outfile);	/* into graphics */
	TEK40vector(x,y);
}


TEK40vector(x,y)
unsigned int x,y;
{
	(void) putc((HY | (y & UPPER5)>>5), outfile);
	(void) putc((LY | (y & LOWER5)), outfile);
	(void) putc((HX | (x & UPPER5)>>5), outfile);
	(void) putc((LX | (x & LOWER5)), outfile);
}


TEK40put_text(x,y,str)
unsigned int x,y;
char str[];
{
	TEK40move(x,y-11);
	fprintf(outfile,"\037%s\n",str);
}


TEK40reset()
{
}

#endif /* TEK */



/* thanks to dukecdu!evs (Ed Simpson) for the BBN BitGraph driver */

#ifdef BITGRAPH

#define BG_XMAX			 	768 /* width of plot area */
#define BG_YMAX			 	768 /* height of plot area */
#define BG_SCREEN_HEIGHT	1024 /* full screen height */

#define BG_XLAST	 (BG_XMAX - 1)
#define BG_YLAST	 (BG_YMAX - 1)

#define BG_VCHAR	16
#define BG_HCHAR	 9
#define BG_VTIC		 8
#define BG_HTIC		 8	


#define BG_init TEK40init

#define BG_graphics TEK40graphics


#define BG_linetype TEK40linetype

#define BG_move TEK40move

#define BG_vector TEK40vector


BG_text()
{
	BG_move(0, BG_SCREEN_HEIGHT - 2 * BG_VCHAR);
	fprintf(outfile,"\037");
/*                   1
	1. into alphanumerics
*/
}


BG_put_text(x,y,str)
unsigned int x,y;
char str[];
{
	BG_move(x,y-11);
	fprintf(outfile,"\037%s\n",str);
}


#define BG_reset TEK40reset

#endif /* BITGRAPH */


/* Color and Monochrome specials for the MS-Kermit Tektronix Emulator
   by Russell Lang,  eln272v@monu1.cc.monash.oz  */

#ifdef KERMIT

#define KTEK40HCHAR		13

KTEK40graphics()
{
#ifdef vms
        term_mode_tek();
	term_pasthru();
#endif /* vms */
	fprintf(outfile,"\033\014");
/*                   1
	1. clear screen
*/
	/* kermit tektronix emulation doesn't need to wait */
}

KTEK40Ctext()
{
	TEK40text();
	KTEK40Clinetype(0);  /* change to green */
#ifdef vms
	term_nopasthru();
#endif /* vms */
}

/* special color linetypes for MS-DOS Kermit v2.31 tektronix emulator */
/*	0 = normal, 1 = bright 
	foreground color (30-37) = 30 + colors
		where colors are   1=red, 2=green, 4=blue */
static char *kermit_color[15]= {"\033[0;37m","\033[1;30m",
		"\033[0;32m","\033[0;36m","\033[0;31m","\033[0;35m",
		"\033[1;34m","\033[1;33m","\033[1;31m","\033[1;37m",
		"\033[1;35m","\033[1;32m","\033[1;36m","\033[0;34m",
		"\033[0;33m"};

KTEK40Clinetype(linetype)
int linetype;
{
	if (linetype >= 13)
		linetype %= 13;
	fprintf(outfile,"%s",kermit_color[linetype+2]);
}


/* linetypes for MS-DOS Kermit v2.30 tektronix emulator */
/* `=solid, a=fine dots, b=short dashes, c=dash dot, 
   d=long dash dot, e=dash dot dot */
static char *kerm_linetype = "`a`abcde" ;

KTEK40Mlinetype(linetype)
int linetype;
{
	if (linetype >= 6)
		linetype %= 6;
	fprintf(outfile,"\033%c",kerm_linetype[linetype+2]);
}

KTEK40reset()
{
	fprintf(outfile,"\030\n");  /* turn off Tek emulation */
#ifdef vms
	term_mode_native();
#endif /* vms */
}

#endif /* KERMIT */


/* thanks to sask!macphed (Geoff Coleman and Ian Macphedran) for the
   Selanar driver */

#ifdef SELANAR

SEL_init()
{
	fprintf(outfile,"\033\062");
/*					1
	1. set to ansi mode
*/
}


SEL_graphics()
{
	fprintf(outfile,"\033[H\033[J\033\061\033\014");
/*                   1           2       3
	1. clear ANSI screen
	2. set to TEK mode
	3. clear screen
*/
}


SEL_text()
{
	TEK40move(0,12);
	fprintf(outfile,"\033\062");
/*                   1
	1. into ANSI mode
*/
}

SEL_reset()
{
	fprintf(outfile,"\033\061\033\012\033\062\033[H\033[J");
/*                   1        2       3      4
1       set tek mode
2       clear screen
3       set ansi mode
4       clear screen
*/
}
#endif /* SELANAR */

#ifdef VTTEK

VTTEK40init()
{
        fprintf(outfile,"\033[?38h");
        fflush(outfile);
        sleep(1);
        /* sleep 1 second to allow screen time to clear on some terminals */
#ifdef vms
        term_mode_tek();
#endif /* vms */
}

VTTEK40reset()
{
        fprintf(outfile,"\033[?38l");
        fflush(outfile);
        sleep(1);
        /* sleep 1 second to allow screen time to clear on some terminals */
#ifdef vms
        term_mode_native();
#endif /* vms */
}

/* linetypes for VT-type terminals in tektronix emulator mode */
/* `=solid, a=fine dots, b=short dashes, c=dash dot,
   d=long dash dot, h=bold solid, i=bold fine dots, j=bold short dashes,
   k=bold dash dot, l=bold long dash dot */
static char *vt_linetype = "`a`abcdhijkl" ;
static int last_vt_linetype = 0;
VTTEK40linetype(linetype)
int linetype;
{
        if (linetype >= 10)
                linetype %= 10;
        fprintf(outfile,"\033%c",vt_linetype[linetype+2]);
        last_vt_linetype = linetype;
}

VTTEK40put_text(x,y,str)
unsigned int x,y;
char str[];
{
        int linetype;
        linetype = last_vt_linetype;
        VTTEK40linetype(0);
        TEK40put_text(x,y,str);
        VTTEK40linetype(linetype);
}

#endif /* VTTEK */

#ifdef LN03P

LN03Pinit()
{
	fprintf(outfile,"\033[?38h");
}

LN03Preset()
{
	fprintf(outfile,"\033[?38l");
}
#endif /* LN03P */