gnuplot-old/term/cgi.trm at gnuplot-4-4-alpha · gnuplot/gnuplot-old · GitHub

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/* Hello, Emacs, this is -*-C-*-

* $Id: cgi.trm,v 1.14 2006/07/21 02:35:45 sfeam Exp $

/* GNUPLOT - cgi.trm */

/*[

* 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.h.

* This terminal driver supports SCO CGI drivers

* AUTHOR

* Ronald Florence <ron@18james.com>

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

#include "driver.h"

#ifdef TERM_REGISTER

register_term(cgi)

register_term(hcgi)

#endif

#ifdef TERM_PROTO

TERM_PUBLIC void CGI_init __PROTO((void));

TERM_PUBLIC void HCGI_init __PROTO((void));

TERM_PUBLIC void CGI_graphics __PROTO((void));

TERM_PUBLIC void CGI_text __PROTO((void));

TERM_PUBLIC void CGI_reset __PROTO((void));

TERM_PUBLIC void CGI_move __PROTO((unsigned int x, unsigned int y));

TERM_PUBLIC void CGI_vector __PROTO((unsigned int x, unsigned int y));

TERM_PUBLIC void CGI_linetype __PROTO((int linetype));

TERM_PUBLIC void CGI_put_text __PROTO((unsigned int x, unsigned int y, const char *str));

TERM_PUBLIC int CGI_text_angle __PROTO((int ang));

TERM_PUBLIC int CGI_justify_text __PROTO((enum JUSTIFY mode));

TERM_PUBLIC void CGI_point __PROTO((unsigned int x, unsigned int y, int num));

#define CGI_XMAX 32767

#define CGI_YMAX 32767

#define CGI_VTIC (CGI_YMAX / 75)

#define CGI_HTIC term->h_tic

#define CGI_VCHAR term->v_char

#define CGI_HCHAR term->h_char

#endif

#ifndef TERM_PROTO_ONLY

#ifdef TERM_BODY

#ifdef VGA_MONO

static short rgb[16][3] =

{

0, 0, 0, /* Black */

1000, 1000, 1000, /* White */

800, 800, 0, /* Red */

0, 600, 0, /* Green */

0, 800, 800, /* Blue */

1000, 1000, 400, /* Yellow */

0, 600, 600, /* Cyan */

600, 600, 600, /* Magenta */

800, 800, 0, /* Brown */

600, 600, 600, /* Lt. Grey */

400, 600, 400, /* Dark Grey */

400, 600, 1000, /* Lt. Blue */

400, 1000, 400, /* Lt Green */

400, 1000, 1000, /* Lt Cyan */

1000, 600, 400, /* Lt Red */

600, 600, 1000 /* Lt Magenta */

};

#endif

#define CRT (gout[45] == 0)

#define CGICOLORS gout[13]

#define CGILINES gout[6]

#define CGIROTATES gout[36]

#define CGITEXTALIGN gout[48]

static short gout[66];

static short cgidev;

static short vect[4];

static short gin[19] =

{

0, /* default aspect ratio */

1, /* solid line */

1, /* line color */

1, /* marker type . */

1, /* marker color */

1, /* graphics text font */

1, /* graphics text color */

0, /* fill interior style */

0, /* fill style index */

1, /* fill color index */

1 /* prompt for paper changes */

};

char *cgidriver, *getenv();

TERM_PUBLIC void

CGI_init()

{

if (getenv(cgidriver = "CGIDISP") == NULL)

HCGI_init();

}

TERM_PUBLIC void

HCGI_init()

{

if (getenv(cgidriver = "CGIPRNT") == NULL)

int_error(NO_CARET, "no CGI driver");

}

TERM_PUBLIC void

CGI_graphics()

{

int i, aspect;

char *s;

short font_cap[9];

if ((s = getenv("ASPECT")) != NULL && (aspect = atoi(s)) >= 0 && aspect <= 3)

gin[0] = aspect;

for (i = 0; cgidriver[i]; i++)

gin[11 + i] = cgidriver[i];

gin[18] = ' ';

if (v_opnwk(gin, &cgidev, gout) < 0) {

int_error(NO_CARET, "CGI error %d opening %s", -vq_error(), cgidriver);

}

vqt_representation(cgidev, 9, font_cap);

CGI_VCHAR = font_cap[8] * 3 / 2;

CGI_HCHAR = font_cap[7];

CGI_HTIC = CGI_VTIC * ((double) gout[1] / (double) gout[4]) /

((double) gout[0] / (double) gout[3]);

#ifdef VGA_MONO

if (CGICOLORS > 2)

vsc_table(cgidev, 0, CGICOLORS, rgb);

#endif

}

TERM_PUBLIC void

CGI_text()

{

if (CRT) {

short ptin[2];

char strin[2];

ptin[0] = 0;

ptin[1] = 0;

vrq_string(cgidev, 1, 0, ptin, strin);

}

v_clswk(cgidev);

}

TERM_PUBLIC void

CGI_reset()

{

}

TERM_PUBLIC void

CGI_move(unsigned int x, unsigned int y)

{

vect[0] = x;

vect[1] = y;

}

TERM_PUBLIC void

CGI_vector(unsigned int x, unsigned int y)

{

vect[2] = x;

vect[3] = y;

v_pline(cgidev, 2, vect);

vect[0] = x;

vect[1] = y;

}

TERM_PUBLIC void

CGI_linetype(int linetype)

{

short lcolor;

if (CGICOLORS > 2) {

lcolor = (linetype + 2) % CGICOLORS + 1;

vsl_color(cgidev, lcolor);

vsm_color(cgidev, lcolor);

}

vsl_type(cgidev, (linetype < 1) ? 1 : (linetype % CGILINES) + 1);

}

TERM_PUBLIC void

CGI_put_text(unsigned int x, unsigned int y, const char *str)

{

v_gtext(cgidev, (short) x, (short) y, str);

}

TERM_PUBLIC int

CGI_text_angle(int ang)

{

if (!CGIROTATES)

return FALSE;

/* angles are 1/10 degree ccw */

vst_rotation(cgidev, (ang) ? 900 : 0);

return TRUE;

}

TERM_PUBLIC int

CGI_justify_text(enum JUSTIFY mode)

{

short hor_in, hor_out, vert_out;

if (!CGITEXTALIGN)

return FALSE;

switch (mode) {

case LEFT:

hor_in = 0;

break;

case CENTRE:

hor_in = 1;

break;

case RIGHT:

hor_in = 2;

break;

}

vst_alignment(cgidev, hor_in, 1, &hor_out, &vert_out);

return TRUE;

}

#define POINT_TYPES 6

TERM_PUBLIC void

CGI_point(unsigned int x, unsigned y, int num)

{

short point[2];

static short cgimarker[POINT_TYPES] = { 1, 2, 6, 4, 5, 3 };

/* . + <> [] X * */

if (num < 0) {

CGI_move(x, y);

CGI_vector(x, y);

} else {

vsm_type(cgidev, cgimarker[num % POINT_TYPES]);

point[0] = x;

point[1] = y;

v_pmarker(cgidev, 1, point);

}

#endif /* TERM_BODY */

#ifdef TERM_TABLE

TERM_TABLE_START(cgi_driver)

"cgi", "SCO CGI drivers (requires CGIDISP or CGIPRNT env variable)",

CGI_XMAX, CGI_YMAX, 0, 0,

CGI_VTIC, 0, options_null, CGI_init, CGI_reset,

CGI_text, null_scale, CGI_graphics, CGI_move, CGI_vector,

CGI_linetype, CGI_put_text, CGI_text_angle,

CGI_justify_text, CGI_point, do_arrow, set_font_null

TERM_TABLE_END(cgi_driver)

#undef LAST_TERM

#define LAST_TERM cgi_driver

TERM_TABLE_START(hcgi_driver)

"hcgi", "SCO CGI drivers (hardcopy, requires CGIPRNT env variable)",

CGI_XMAX, CGI_YMAX, 0, 0,

CGI_VTIC, 0, options_null, HCGI_init, CGI_reset,

CGI_text, null_scale, CGI_graphics, CGI_move, CGI_vector,

CGI_linetype, CGI_put_text, CGI_text_angle,

CGI_justify_text, CGI_point, do_arrow, set_font_null

TERM_TABLE_END(hcgi_driver)

#undef LAST_TERM

#define LAST_TERM hcgi_driver

#endif /* TERM_TABLE */

#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP

START_HELP(cgi)

"1 cgi",

"?commands set terminal cgi",

"?set terminal cgi",

"?set term cgi",

"?terminal cgi",

"?term cgi",

"?cgi",

"?commands set terminal hcgi",

"?set terminal hcgi",

"?set term hcgi",

"?terminal hcgi",

"?term hcgi",

"?hcgi",

" The `cgi` and `hcgi` terminal drivers support SCO CGI drivers. `hcgi` is for",

" printers; the environment variable CGIPRNT must be set. `cgi` may be used",

" for either a display or hardcopy; if the environment variable CGIDISP is set,",

" then that display is used. Otherwise CGIPRNT is used.",

"",

" These terminals have no options."

END_HELP(cgi)

#endif

gnuplot-old/term/cgi.trm at gnuplot-4-4-alpha · gnuplot/gnuplot-old · GitHub

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