File: unixplot.trm

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/*
 * $Id: unixplot.trm,v 1.7 1998/11/25 21:08:47 lhecking Exp $
 *
 */

/* GNUPLOT -- unixplot.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:
 *  Unix plot(5) graphics language
 *
 * AUTHORS
 *  Colin Kelley, Thomas Williams, Russell Lang
 * 
 * send your comments or suggestions to (info-gnuplot@dartmouth.edu).
 * 
 */

/*
 * Unixplot library writes to stdout.  A fix was put in place by
 * ..!arizona!naucse!jdc to let set term and set output redirect
 * stdout.  All other terminals write to gpoutfile.
*/

/*
 * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
 */

#include "driver.h"

#ifdef TERM_REGISTER
register_term(unixplot)
#endif

#ifdef TERM_PROTO
TERM_PUBLIC void UP_init __PROTO((void));
TERM_PUBLIC void UP_graphics __PROTO((void));
TERM_PUBLIC void UP_text __PROTO((void));
TERM_PUBLIC void UP_linetype __PROTO((int linetype));
TERM_PUBLIC void UP_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void UP_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void UP_put_text __PROTO((unsigned int x, unsigned int y, char str[]));
TERM_PUBLIC void UP_reset __PROTO((void));

#define UP_XMAX 4096
#define UP_YMAX 4096

#define UP_XLAST (UP_XMAX - 1)
#define UP_YLAST (UP_YMAX - 1)

#define UP_VCHAR (UP_YMAX/30)	/* just a guess--no way to know this! */
#define UP_HCHAR (UP_XMAX/60)	/* just a guess--no way to know this! */
#define UP_VTIC (UP_YMAX/80)
#define UP_HTIC (UP_XMAX/80)
#endif /* TERM_PROTO */

#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY

TERM_PUBLIC void UP_init()
{
    openpl();
    space(0, 0, UP_XMAX, UP_YMAX);
}


TERM_PUBLIC void UP_graphics()
{
    erase();
}


TERM_PUBLIC void UP_text()
{
    /* empty */
}


TERM_PUBLIC void UP_linetype(linetype)
int linetype;
{
    static char *lt[2 + 5] = {"solid", "longdashed", "solid", "dotted",
     "shortdashed", "dotdashed", "longdashed"};

    if (linetype >= 5)
	linetype %= 5;

    linemod(lt[linetype + 2]);
}


TERM_PUBLIC void UP_move(x, y)
unsigned int x, y;
{
    move(x, y);
}


TERM_PUBLIC void UP_vector(x, y)
unsigned int x, y;
{
    cont(x, y);
}


TERM_PUBLIC void UP_put_text(x, y, str)
unsigned int x, y;
char str[];
{
    UP_move(x + UP_HCHAR / 2, y + UP_VCHAR / 5);
    label(str);
}

TERM_PUBLIC void UP_reset()
{
    closepl();
}

#endif /* TERM_BODY */

#ifdef TERM_TABLE
TERM_TABLE_START(unixplot_driver)
    "unixplot", "Unix plotting standard (see plot(1))",
    UP_XMAX, UP_YMAX, UP_VCHAR, UP_HCHAR,
    UP_VTIC, UP_HTIC, options_null, UP_init, UP_reset,
    UP_text, null_scale, UP_graphics, UP_move, UP_vector,
    UP_linetype, UP_put_text, null_text_angle,
    null_justify_text, line_and_point, do_arrow, set_font_null
TERM_TABLE_END(unixplot_driver)

#undef LAST_TERM
#define LAST_TERM unixplot_driver

#endif /* TERM_TABLE */
#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP
START_HELP(unixplot)
"1 unixplot",
"?comands set terminal unixplot",
"?set terminal unixplot",
"?set term unixplot",
"?terminal unixplot",
"?term unixplot",
"?unixplot",
" The `unixplot` terminal driver generates output in the Unix \"plot\" graphics",
" language.  It has no options.",
"",
" This terminal cannot be compiled if the GNU version of plot is to be used;",
" in that case, use the `gnugraph` terminal instead."
END_HELP(unixplot)
#endif