gnuplot-old/term/pc.trm at gnuplot-4-6-alpha · gnuplot/gnuplot-old · GitHub

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

* $Id: pc.trm,v 1.23 2006/07/21 02:35:47 sfeam Exp $

/* GNUPLOT - pc.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.c.

* This terminal driver supports:

* Under Microsoft C

* cga, egabios, egalib, vgabios, hercules, corona325, att

* Under Turboc C

* cga, ega/vga, vgamono, svga, mcga, hercules, att

* Under Watcom C

* cga, ega/vga, vgamono, svga, mcga, hercules, ???

* AUTHORS

* Colin Kelley, Thomas Williams, William Wilson, Russell Lang

* modified by David J. Liu (liu@csb.yale.edu) for version 3.6

* send your comments or suggestions to (gnuplot-info@lists.sourceforge.net).

* Because only one compiler is used to generate gnuplot.exe

* and the type of the single graphics board is auto-detected,

* we can combine all these parts into one terminal type: PC

* and let the computer take care of the rest. -- DJL

* Since I don't have MicroSoft C, I assume it would define MSC.

* Please correct it if you are using MS C. Thank you. -- DJL

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

#include "driver.h"

#ifdef TERM_REGISTER

register_term(dospc)

#endif

#ifdef TERM_PROTO

TERM_PUBLIC void PC_text __PROTO((void));

TERM_PUBLIC void PC_reset __PROTO((void));

TERM_PUBLIC void PC_init __PROTO((void));

TERM_PUBLIC void PC_graphics __PROTO((void));

TERM_PUBLIC void PC_linetype __PROTO((int linetype));

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

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

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

TERM_PUBLIC int PC_text_angle __PROTO((int ang));

TERM_PUBLIC int PC_justify_text __PROTO((enum JUSTIFY ang));

#define PC_HCHAR FNT5X9_HCHAR

#define PC_VCHAR FNT5X9_VCHAR

#define PC_HTIC 5

#define PC_VTIC 4

#define PC_XMAX 100 /* These two entries are just place holders. */

#define PC_YMAX 100 /* The actual values will be found in init. */

#endif /* TERM_PROTO */

#ifndef TERM_PROTO_ONLY

#ifdef TERM_BODY

#ifdef __TURBOC__

static int huge detect_svga __PROTO((void));

#endif /* __TURBOC__ */

#include <string.h>

#include <stdlib.h>

#ifdef __TURBOC__

#include <graphics.h>

#include <conio.h>

#include <dos.h>

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

# include <conio.h> /* for getch() */

# include <graph.h>

#endif /* WATCOMC */

#ifdef MSC

#include "mcega.h"

#endif /* MSC */

static unsigned int pattern[] ={ 0xffff, 0x0f0f, 0xffff, 0xaaaa, 0x3333, 0x3f3f, 0x0f0f };

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

static int pc_driver, pc_mode;

static int graphics_on = FALSE, pc_graphics = FALSE;

static int startx, starty, pc_lastx, pc_lasty, pc_colors;

static int pc_angle, pc_hjustify, pc_vjustify, pc_text_size, pc_text_dir, pc_corscreen = -1;

#ifdef __TURBOC__

extern int far _Cdecl SVGA_driver_far[];

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

enum {

HORIZ_DIR, VERT_DIR

};

static void

_settextang(int ang)

{

if (ang == HORIZ_DIR) {

_settextorient(1, 0);

} else {

_settextorient(0, 1);

}

#endif /* WATCOMC */

static int huge

detect_svga()

{

return 0; /* the default mode, just a place holder */

}

void

PC_setup()

{ /* called from the beginning of main() */

int i, t, x, y;

char pc_modename[9];

#ifdef __WATCOMC__

struct videoconfig VC;

#endif /* WATCOMC */

/* First link all BRI dribers, then detect the display card. */

/* If environment PCTRM is set, try initiate the card/mode. */

/* special instruction on mode */

safe_strncpy(pc_modename, getenv("PCTRM"), 8);

#ifdef __TURBOC__

/* Some of this code including BGI drivers are copyright Borland Intl. */

registerfarbgidriver(EGAVGA_driver_far);

registerfarbgidriver(CGA_driver_far);

registerfarbgidriver(Herc_driver_far);

registerfarbgidriver(ATT_driver_far);

registerfarbgidriver(PC3270_driver_far);

pc_driver = DETECT;

detectgraph(&pc_driver, &pc_mode);

if (graphresult()) {

fputs("Unable to initialize graphics.\n", stderr);

return;

}

#ifdef BGI_NAME

/* the highest standard pc_driver value, see graphics.h */

#define LAST_BGI 10

/* the last mode of the SVGA.BGI */

#define LAST_SVGA_MODE 6

/* test SVGA if we have VGA */

if ((pc_driver == VGA) && (pc_modename[0] == 'S')) {

installuserdriver(BGI_NAME, &detect_svga);

registerfarbgidriver(SVGA_driver_far);

pc_driver = DETECT;

initgraph(&pc_driver, &pc_mode, "");

/* The following code, which is independent of the actual SVGA.BGI

* used, tries to find a mode of width defined in the environment

* variable PCTRM */

if (pc_driver > LAST_BGI) { /* success */

sscanf(pc_modename, "S%d", &t);

switch (t) {

case 800:

break; /* S800 */

case 1024:

break; /* S1024 */

case 1280:

break; /* S1280 */

default:

t = 640; /* 640x480 */

}

for (i = 0; i <= LAST_SVGA_MODE; i++) {

setgraphmode(i);

if ((getmaxx() + 1 == t) && (getmaxcolor() > 14))

pc_mode = i;

}

setgraphmode(pc_mode);

if (graphresult()) { /* error, go back to VGA */

pc_driver = VGA;

pc_mode = 4;

}

} /* SVGA tested */

if (pc_driver <= LAST_BGI)

#endif /* BGI_NAME */

initgraph(&pc_driver, &pc_mode, "");

pc_colors = getmaxcolor() + 1;

pc_lastx = getmaxx();

pc_lasty = getmaxy();

restorecrtmode();

clrscr();

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_getvideoconfig(&VC);

if ((pc_driver = VC.adapter) == 0) {

fprintf(stderr, "Unable to initialize graphics.\n");

return;

}

switch (pc_driver = VC.adapter) {

case _HERCULES:

pc_mode = _HERCMONO;

break;

case _CGA:

pc_mode = _HRESBW;

break;

case _MCGA:

pc_mode = _MRES256COLOR;

break;

case _EGA:

pc_mode = (VC.monitor == _MONO ? _ERESCOLOR : _ERESNOCOLOR);

break;

case _VGA:

pc_mode = _VRES16COLOR;

break;

case _SVGA:

if (pc_modename[0] == 'S') { /* test SVGA resolution */

sscanf(pc_modename, "S%d", &t);

switch (t) {

case 800:

pc_mode = _SVRES256COLOR;

break; /* S800 */

case 1024:

pc_mode = _XRES256COLOR;

break; /* S1024 */

case 1280:

pc_mode = _XRES256COLOR + 2;

break; /* S1280 */

/* Someone help me, who knows, how a newer Watcom calls that */

default:

t = 640;

pc_mode = _VRES256COLOR; /* 640x480 */

}

while (_setvideomode(pc_mode) == 0)

pc_mode--;

}

break;

default:

fputs("Unable to initialize graphics.\n", stderr);

return;

}

_setvideomode(pc_mode);

_getvideoconfig(&VC);

pc_lastx = VC.numxpixels - 1;

pc_lasty = VC.numypixels - 1;

pc_colors = VC.numcolors;

_setvideomode(_DEFAULTMODE);

#endif /* WATCOMC */

x = pc_lastx + 1;

y = pc_lasty + 1;

fprintf(stderr, "\tScreen of %d x %d pixels and %d colors.\n",

x, y, pc_colors);

pc_graphics = TRUE;

}

TERM_PUBLIC void

PC_init()

{

char *pathp;

#ifdef __WATCOMC__

struct _fontinfo fi;

#endif

if (!pc_graphics) {

fputs("Unable to initialize graphics.\n", stderr);

term = 0;

return;

}

/* Double the tic/font sizes. */

pc_text_size = (pc_lasty > 590) ? 2 : 1;

term->h_char = PC_HCHAR;

term->v_char = PC_VCHAR;

term->h_tic = PC_HTIC * pc_text_size;

term->v_tic = PC_VTIC * pc_text_size;

term->xmax = pc_lastx + 1;

term->ymax = pc_lasty + 1;

#ifdef __TURBOC__

setgraphmode(pc_mode);

settextstyle(DEFAULT_FONT, HORIZ_DIR, pc_text_size);

settextjustify(pc_hjustify, pc_vjustify);

term->h_char = textheight("X"); /* overriding the default */

term->v_char = textwidth("X"); /* overriding the default */

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setvideomode(pc_mode);

_settextang(HORIZ_DIR);

_settextalign(pc_hjustify, pc_vjustify);

_setcharsize(pc_text_size * PC_HCHAR, pc_text_size * PC_VCHAR);

_getfontinfo(&fi);

term->h_char = fi.avgwidth;

term->v_char = fi.pixheight * 1.5;

#endif /* WATCOMC */

#ifdef MSC

#endif /* MSC */

}

TERM_PUBLIC void

PC_graphics()

{

graphics_on = TRUE;

#ifdef __TURBOC__

setgraphmode(pc_mode);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setvideomode(pc_mode);

#endif /* WATCOMC */

#ifdef MSC

if (pc_corscreen == -1)

Vmode(18); /* VGA */

else {

grinit(corscreen);

grandtx();

} /* corolla */

#endif /* MSC */

}

TERM_PUBLIC void

PC_linetype(int linetype)

{

if (linetype < -2)

linetype = LT_BLACK;

if (pc_colors > 14) { /* 16 or more colors */

if (linetype >= 13)

linetype %= 13;

#ifdef __TURBOC__

setcolor(vga_color[linetype + 2]);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setcolor(vga_color[linetype + 2]);

#endif /* WATCOMC */

#ifdef MSC

#endif /* MSC */

} else { /* MONO */

if (linetype >= 5)

linetype %= 5;

#ifdef __TURBOC__

setlinestyle(4, pattern[linetype + 2], 1);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setlinestyle(pattern[linetype + 2]);

#endif /* WATCOMC */

#ifdef MSC

if (pc_corscreen != -1)

Cor_mask(pattern[linetype + 2]);

#endif /* MSC */

}

TERM_PUBLIC void

PC_move(unsigned int x, unsigned int y)

{

#ifdef __TURBOC__

moveto(x, pc_lasty - y);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_moveto(x, pc_lasty - y);

#endif /* WATCOMC */

#ifdef MSC

#endif /* MSC */

startx = x;

starty = y;

}

TERM_PUBLIC void

PC_vector(unsigned int x, unsigned int y)

{

#ifdef __TURBOC__

lineto(x, pc_lasty - y);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_lineto(x, pc_lasty - y);

#endif /* WATCOMC */

#ifdef MSC

if (pc_corscreen != -1)

Cor_line(startx, COR_YLAST - starty, x, COR_YLAST - y);

#endif /* MSC */

startx = x;

starty = y;

}

TERM_PUBLIC void

PC_reset()

{

graphics_on = FALSE;

#ifdef __TURBOC__

restorecrtmode();

clrscr();

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setvideomode(_DEFAULTMODE);

#endif /* WATCOMC */

#ifdef MSC

Vmode(3);

#endif /* MSC */

}

TERM_PUBLIC void

PC_text()

{

if (graphics_on) {

graphics_on = FALSE;

(void) getch();

#ifdef __TURBOC__

restorecrtmode();

clrscr();

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setvideomode(_DEFAULTMODE);

#endif /* WATCOMC */

#ifdef MSC

if (pc_corscreen != -1) {

grreset();

txonly();

}

Vmode(3);

#endif /* MSC */

}

TERM_PUBLIC int

PC_text_angle(int ang)

{

switch (ang) {

case 0:

pc_text_dir = HORIZ_DIR;

break;

default:

case 1:

pc_text_dir = VERT_DIR;

break;

}

return TRUE;

}

TERM_PUBLIC int

PC_justify_text(enum JUSTIFY just)

{

#if defined(__TURBOC__)

switch (just) {

case LEFT:

pc_hjustify = LEFT_TEXT;

pc_vjustify = CENTER_TEXT;

break;

case CENTRE:

pc_hjustify = CENTER_TEXT;

pc_vjustify = CENTER_TEXT;

break;

case RIGHT:

pc_hjustify = RIGHT_TEXT;

pc_vjustify = CENTER_TEXT;

break;

}

settextjustify(pc_hjustify, pc_vjustify);

return 1;

#elif defined(__WATCOMC__)

switch (just) {

case LEFT:

pc_hjustify = _LEFT;

pc_vjustify = _HALF;

break;

case CENTRE:

pc_hjustify = _CENTER;

pc_vjustify = _HALF;

break;

case RIGHT:

pc_hjustify = _RIGHT;

pc_vjustify = _HALF;

break;

}

_settextalign(pc_hjustify, pc_vjustify);

return 1;

#else

return (just == LEFT);

#endif

}

TERM_PUBLIC void

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

{

#ifdef __TURBOC__

settextstyle(DEFAULT_FONT, pc_text_dir, pc_text_size);

settextjustify(pc_hjustify, pc_vjustify);

outtextxy(x, pc_lasty - y, str);

#endif /* __TURBOC__ */

#ifdef __WATCOMC__

_setcharsize(pc_text_size * PC_VCHAR, pc_text_size * PC_HCHAR);

_settextang(pc_text_dir);

_settextalign(pc_hjustify, pc_vjustify);

_grtext(x, pc_lasty - y, str);

#endif /* WATCOMC */

#ifdef MSC

#endif /* MSC */

}

#endif /* TERM_BODY */

#ifdef TERM_TABLE

TERM_TABLE_START(dospc_driver)

"dospc", "IBM PC/Clone running DOS",

PC_XMAX, PC_YMAX, PC_VCHAR, PC_HCHAR,

PC_VTIC, PC_HTIC, options_null, PC_init, PC_reset,

PC_text, null_scale, PC_graphics, PC_move, PC_vector,

PC_linetype, PC_put_text, PC_text_angle,

PC_justify_text, line_and_point, do_arrow, set_font_null

TERM_TABLE_END(dospc_driver)

#undef LAST_TERM

#define LAST_TERM dospc_driver

#endif /* TERM_TABLE */

#endif /* TERM_PROTO_ONLY */

#ifdef TERM_HELP

START_HELP(dospc)

"1 dospc",

"?commands set terminal dospc",

"?set terminal dospc",

"?set term dospc",

"?terminal dospc",

"?term dospc",

"?dospc",

" The `dospc` terminal driver supports PCs with arbitrary graphics boards,",

" which will be automatically detected. It should be used only if you are",

" not using the gcc or Zortec C/C++ compilers."

END_HELP(dospc)

#endif /* TERM_HELP */

gnuplot-old/term/pc.trm at gnuplot-4-6-alpha · gnuplot/gnuplot-old · GitHub

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