/*
 * $Id: xlib.trm,v 1.12 1998/04/14 00:18:16 drd Exp $
 */

/* GNUPLOT - xlib.trm */

/*[
 * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley
 *
 * 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.
]*/

/*
 * xlib.trm - inboard terminal driver for X11 (dumps gnuplot_x11 commands)
 *
 * To be used with gnulib_x11.
 */

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

#include "driver.h"

#ifdef TERM_REGISTER
register_term(xlib)
#endif

#ifdef TERM_PROTO
TERM_PUBLIC void Xlib_init __PROTO((void));
TERM_PUBLIC void Xlib_graphics __PROTO((void));
TERM_PUBLIC void Xlib_text __PROTO((void));
TERM_PUBLIC void Xlib_reset __PROTO((void));
TERM_PUBLIC void Xlib_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void Xlib_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void Xlib_linetype __PROTO((int lt));
TERM_PUBLIC void Xlib_put_text __PROTO((unsigned int x, unsigned int y, char str[]));
TERM_PUBLIC int Xlib_justify_text __PROTO((enum JUSTIFY mode));

#define Xlib_XMAX 4096
#define Xlib_YMAX 4096

/* approximations for typical font/screen sizes */
#define Xlib_VCHAR (Xlib_YMAX/25)
#define Xlib_HCHAR (Xlib_XMAX/100)
#define Xlib_VTIC (Xlib_YMAX/100)
#define Xlib_HTIC (Xlib_XMAX/150)

#define GOT_XLIB_PROTO
#endif

#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY

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

TERM_PUBLIC void Xlib_graphics()
{
    fputs("G\n", gpoutfile);
}

TERM_PUBLIC void Xlib_text()
{
    fputs("E\n", gpoutfile);
    fflush(gpoutfile);
#ifdef ULTRIX_KLUDGE
    fputs("E\n", gpoutfile);
    fflush(gpoutfile);
#endif
}

TERM_PUBLIC void Xlib_reset()
{
    fputs("R\n", gpoutfile);
    fflush(gpoutfile);
}

TERM_PUBLIC void Xlib_move(x, y)
unsigned int x, y;
{
    fprintf(gpoutfile, "M%04d%04d\n", x, y);
}

TERM_PUBLIC void Xlib_vector(x, y)
unsigned int x, y;
{
    fprintf(gpoutfile, "V%04d%04d\n", x, y);
}

TERM_PUBLIC void Xlib_linetype(lt)
int lt;
{
    fprintf(gpoutfile, "L%04d\n", lt);
}

TERM_PUBLIC void Xlib_put_text(x, y, str)
unsigned int x, y;
char str[];
{
    fprintf(gpoutfile, "T%04d%04d%s\n", x, y, str);
}

TERM_PUBLIC int Xlib_justify_text(mode)
enum JUSTIFY mode;
{
    fprintf(gpoutfile, "J%04d\n", mode);
    return (TRUE);
}

#endif

#ifdef TERM_TABLE
TERM_TABLE_START(xlib_driver)
    "xlib", "X11 Window System (gnulib_x11 dump)",
    Xlib_XMAX, Xlib_YMAX, Xlib_VCHAR, Xlib_HCHAR,
    Xlib_VTIC, Xlib_HTIC, options_null, Xlib_init, Xlib_reset,
    Xlib_text, null_scale, Xlib_graphics, Xlib_move, Xlib_vector,
    Xlib_linetype, Xlib_put_text, null_text_angle,
    Xlib_justify_text, line_and_point, do_arrow, set_font_null
TERM_TABLE_END(xlib_driver)

#undef LAST_TERM
#define LAST_TERM xlib_driver

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

#ifdef TERM_HELP
START_HELP(xlib)
"1 xlib",
"?commands set terminal xlib",
"?set terminal xlib",
"?set term xlib",
"?terminal xlib",
"?term xlib",
"?xlib",
" The `xlib` terminal driver supports the X11 Windows System.  It generates",
" gnulib_x11 commands.  `set term x11` behaves similarly to `set terminal xlib;",
" set output \"|gnuplot_x11\"`.  `xlib` has no options, but see `x11`."
END_HELP(xlib)
#endif