File: regis.trm

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/*
 * $Id: regis.trm,v 1.6.2.1 2002/01/26 19:05:34 lhecking Exp $
 */

/* GNUPLOT - regis.trm */

/*[
 * Copyright 1990 - 1993, 1998
 *
 * 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 complete modified source code.  Modifications are to
 * be distributed as patches to the released version.  Permission to
 * distribute binaries produced by compiling modified sources is granted,
 * provided you
 *   1. distribute the corresponding source modifications from the
 *    released version in the form of a patch file along with the binaries,
 *   2. add special version identification to distinguish your version
 *    in addition to the base release version number,
 *   3. provide your name and address as the primary contact for the
 *    support of your modified version, and
 *   4. retain our contact information in regard to use of the base
 *    software.
 * Permission to distribute the released version of the source code along
 * with corresponding source modifications in the form of a patch file is
 * granted with same provisions 2 through 4 for binary distributions.
 *
 * This software is provided "as is" without express or implied warranty
 * to the extent permitted by applicable law.
]*/

/*
 * This file is included by ../term.c.
 *
 * This terminal driver supports:
 *  REGIS devices
 *
 * AUTHORS
 *  Colin Kelley, Thomas Williams
 * 
 * send your comments or suggestions to (info-gnuplot@dartmouth.edu).
 * 
 */

#include "driver.h"

#ifdef TERM_REGISTER
register_term(regis)
#endif


#ifdef TERM_PROTO
TERM_PUBLIC void REGIS_init __PROTO((void));
TERM_PUBLIC void REGIS_graphics __PROTO((void));
TERM_PUBLIC void REGIS_init __PROTO((void));
TERM_PUBLIC void REGIS_graphics __PROTO((void));
TERM_PUBLIC void REGIS_text __PROTO((void));
TERM_PUBLIC void REGIS_linetype __PROTO((int linetype));
TERM_PUBLIC void REGIS_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void REGIS_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void REGIS_put_text __PROTO((unsigned int x, unsigned int y, char *str));
TERM_PUBLIC int REGIS_text_angle __PROTO((int ang));
TERM_PUBLIC void REGIS_reset __PROTO((void));
TERM_PUBLIC void REGIS_options __PROTO((void));

#define REGISXMAX 800
#define REGISYMAX 440

#define REGISXLAST (REGISXMAX - 1)
#define REGISYLAST (REGISYMAX - 1)

#define REGISVCHAR		20
#define REGISHCHAR		9
#define REGISVTIC		8
#define REGISHTIC		6

/* is defined in plot.h
#define TRUE 1
#define FALSE 0
*/
#endif



#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY

static int REGIS16color = FALSE;

static int REGISang = 0;

TERM_PUBLIC void
REGIS_init()
{
    fputs("\033[r\033[24;1H", gpoutfile);
    /*     1     2
     * 1. reset scrolling region
     * 2. locate cursor on bottom line
     */
}


/* thanks to calmasd!dko (Dan O'Neill) for adding S(E) for vt125s */
TERM_PUBLIC void
REGIS_graphics()
{
    fputs("\033[2J\033P1pS(C0)S(E)T(A0)\n", gpoutfile);
    /*     1      2      3    4   5
     * 1. clear screen
     * 2. enter ReGIS graphics
     * 3. turn off graphics diamond cursor
     * 4. clear graphics screen
     * 5. character set option.
     */
    (void) REGIS_text_angle(0);	/* select text size and angle */
}


TERM_PUBLIC void
REGIS_text()
{
    fputs("\033\\\033[24;1H", gpoutfile);
    /*     1    2
     * 1. Leave ReGIS graphics mode
     * 2. locate cursor on last line of screen
     */
}


TERM_PUBLIC void
REGIS_linetype(linetype)
int linetype;
{
    /* This will change color in order G,R,B,G-dot,R-dot,B-dot */

    static int in_16_map[15 + 2] = { 7, 7, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
    static int lt_16_map[15 + 2] = { 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
    static int in_map[9 + 2] = { 2, 2, 3, 2, 1, 3, 2, 1, 3, 2, 1 };
    static int lt_map[9 + 2] = { 1, 4, 1, 1, 1, 4, 4, 4, 6, 6, 6 };

    if (!REGIS16color) {
	if (linetype >= 9)
	    linetype %= 9;
	fprintf(gpoutfile, "W(I%d)\n", in_map[linetype + 2]);
	fprintf(gpoutfile, "W(P%d)\n", lt_map[linetype + 2]);
    } else {
	if (linetype >= 15)
	    linetype %= 15;
	fprintf(gpoutfile, "W(I%d)\n", in_16_map[linetype + 2]);
	fprintf(gpoutfile, "W(P%d)\n", lt_16_map[linetype + 2]);
    }
}



/*
** The \n was added in the functions below (and above) in order to not cause
** a buffer overflow in devices that can't deal with long line lengths.
** The DEC vt-340 doesn't need this, but Reflection 4, a vt-340 emulator
** for PC's under MS-DOS and Microsoft Windows does need it.
** Also needed for DECterm, a vt-340 emulator for use with Motif 1.0
** on Open/VMS.
** NGB 9/13/93
*/

TERM_PUBLIC void
REGIS_move(x, y)
unsigned int x, y;
{
    fprintf(gpoutfile, "P[%d,%d]\n", x, REGISYLAST - y);
}


TERM_PUBLIC void
REGIS_vector(x, y)
unsigned int x, y;
{
    fprintf(gpoutfile, "v[]v[%d,%d]\n", x, REGISYLAST - y);
    /* the initial v[] is needed to get the first pixel plotted */
}


/* put_text and text_angle by rjl */
TERM_PUBLIC void
REGIS_put_text(x, y, str)
unsigned int x, y;
char *str;
{
    if (REGISang == 1)
	REGIS_move(x - REGISVCHAR / 2 - 1, y);
    else
	REGIS_move(x, y + REGISVCHAR / 2 - 1);
    (void) putc('T', gpoutfile);
    (void) putc('\'', gpoutfile);
    while (*str) {
	(void) putc(*str, gpoutfile);
	if (*str == '\'')
	    (void) putc('\'', gpoutfile);	/* send out another one */
	str++;
    }
    (void) putc('\'', gpoutfile);
    (void) putc('\n', gpoutfile);
}


TERM_PUBLIC int
REGIS_text_angle(ang)
int ang;
{
    REGISang = ang;
    if (ang == 1)
	fputs("T(D90,S1)\n", gpoutfile);
    else
	fputs("T(D0,S1)\n", gpoutfile);
    return TRUE;
}


TERM_PUBLIC void
REGIS_reset()
{
    fputs("\033[2J\033[24;1H", gpoutfile);
}

TERM_PUBLIC void
REGIS_options()
{
    int i = 0;
    struct value a;

    if (!END_OF_COMMAND) {
	i = (int) real(const_express(&a));
    }
    REGIS16color = (i == 16);
    sprintf(term_options, "%s", REGIS16color ? "16" : "4");
}

#endif


#ifdef TERM_TABLE
TERM_TABLE_START(regis_driver)
    "regis", "REGIS graphics language",
    REGISXMAX, REGISYMAX, REGISVCHAR, REGISHCHAR,
    REGISVTIC, REGISHTIC, REGIS_options, REGIS_init, REGIS_reset,
    REGIS_text, null_scale, REGIS_graphics, REGIS_move, REGIS_vector,
    REGIS_linetype, REGIS_put_text, REGIS_text_angle,
    null_justify_text, line_and_point, do_arrow, set_font_null
TERM_TABLE_END(regis_driver)

#undef LAST_TERM
#define LAST_TERM regis_driver
#endif
#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP
START_HELP(regis)
"1 regis",
"?commands set terminal regis",
"?set terminal regis",
"?set term regis",
"?terminal regis",
"?term regis",
"?regis",
" The `regis` terminal device generates output in the REGIS graphics language.",
" It has the option of using 4 (the default) or 16 colors.",
"",
" Syntax:",
"       set terminal regis {4 | 16}"
END_HELP(regis)
#endif