/*
* $Id: atariaes.trm,v 1.13 2001/02/01 17:56:05 broeker Exp $
*
*/
/* GNUPLOT - atari.trm */
/*[
* Copyright 1992, 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:
* Atari Screens working with the normal VDI
* (this should include TT and big screens)
*
* AUTHORS
* Alexander Lehmann
* HE Koechling
*
* send your comments or suggestions to (info-gnuplot@dartmouth.edu).
*
* ATARI-related comments please to alexlehm@iti.informatik.th-darmstadt.de
*
*/
#include "driver.h"
#ifdef TERM_REGISTER
register_term(atari)
#endif
#ifdef TERM_PROTO
/* function-prototypes */
TERM_PUBLIC void ATARI_options __PROTO((void));
TERM_PUBLIC void ATARI_init __PROTO((void));
TERM_PUBLIC void ATARI_reset __PROTO((void));
TERM_PUBLIC void ATARI_graphics __PROTO((void));
TERM_PUBLIC void ATARI_text __PROTO((void));
TERM_PUBLIC void ATARI_move __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void ATARI_vector __PROTO((unsigned int x, unsigned int y));
TERM_PUBLIC void ATARI_linetype __PROTO((int lt));
TERM_PUBLIC void ATARI_put_text __PROTO((unsigned int x, unsigned int y, const char *str));
TERM_PUBLIC int ATARI_text_angle __PROTO((int ang));
TERM_PUBLIC int ATARI_justify_text __PROTO((enum JUSTIFY mode));
TERM_PUBLIC void ATARI_point __PROTO((unsigned int x, unsigned int y, int number));
/* default to hi-res */
#define ATARI_XMAX 640
#define ATARI_YMAX 400
#define ATARI_VCHAR 16
#define ATARI_HCHAR 8
#define ATARI_HTIC (ATARI_XMAX/100)
#define ATARI_VTIC ATARI_HTIC
#endif /* TERM_PROTO */
#ifndef TERM_PROTO_ONLY
#ifdef TERM_BODY
#ifdef __PUREC__
/* why did they have to change these names ??? */
# include <aes.h>
# include <vdi.h>
# include <tos.h>
#else /* !__PUREC__ i.e. __GNUC__, maybe others */
# include <aesbind.h>
# include <vdibind.h>
# include <osbind.h>
extern short _global[];
#endif
#include <ctype.h>
static void open_window __PROTO((void));
static void close_window __PROTO((void));
static void text_mode __PROTO((void));
static void mouse_mode __PROTO((void));
static void application_exit __PROTO((void));
void application_init __PROTO((void));
static int intersect __PROTO((int *x1, int *y1, int *w1, int *h1, int x2, int y2, int w2, int h2));
static void walk_rects __PROTO((void (*draw) (int, int, int, int), int x1, int y1, int w1, int h1));
static void clear __PROTO((int x, int y, int w, int h));
static void process_message __PROTO((int *msg));
long poll_events __PROTO((int waitkey));
static void f_line __PROTO((int x, int y, int w, int h));
static void flush_line __PROTO((void));
static void put_text __PROTO((int x, int y, int w, int h));
static int multi_aes;
static int window_id = -1;
static int vdi_handle = -1;
static int win_xpos, win_ypos;
static int win_xsize, win_ysize;
#define ATARI_yc(y) (ATARI_maxycoord-(y))
static int ATARI_linetypes[] =
{
0xffff, 0x1111,
0xffff, 0x5555, 0x3333, 0x7777,
0x3f3f, 0x0f0f, 0x5f5f, 0xe4e4, 0x55f5
};
#define ATARI_LINETYPES_MAX (sizeof(ATARI_linetypes)/sizeof(int))
static int ATARI_lt;
static int ATARI_maxycoord;
static int ATARI_rotation;
static int ATARI_numcolors;
static int pxy[128]; /* Maximum of 64 pixels per v_pline */
static int pxy_index;
static int ATARI_colors[16];
static int ATARI_savecolors[16][3];
static int ATARI_numpalette;
#define ATARI_c_height_default 6 /* well, well ... */
static int ATARI_c_height = ATARI_c_height_default;
static int cursor_is_on = FALSE;
static int put_text_x;
static int put_text_y;
static char *put_text_str;
/* don't change this without changing process_message() below */
#define WINTYPE (NAME|CLOSER|FULLER|MOVER|SIZER)
static void
open_window(void)
{
int x, y, w, h;
if (window_id == -1) {
wind_calc(WC_BORDER, WINTYPE, win_xpos, win_ypos,
win_xsize, win_ysize, &x, &y, &w, &h);
window_id = wind_create(WINTYPE, x, y, w, h);
if (window_id < 0) {
window_id = -1;
int_error(NO_CARET, "Can't create window");
}
wind_set(window_id, WF_NAME, "gnuplot output");
wind_open(window_id, x, y, w, h);
}
}
static void
close_window(void)
{
if (window_id != -1) {
wind_close(window_id);
wind_delete(window_id);
window_id = -1;
}
}
static void
text_mode(void)
{
if (!multi_aes) {
if (!cursor_is_on) {
cursor_is_on = TRUE;
graf_mouse(M_OFF, NULL);
fputs("\033e", stderr);
}
fputs("\033E", stderr);
}
}
static void
mouse_mode(void)
{
if (!multi_aes) {
if (cursor_is_on) {
cursor_is_on = FALSE;
graf_mouse(M_ON, NULL);
fputs("\033f", stderr);
}
}
}
static void
application_exit(void)
{
close_window();
if (vdi_handle != -1) {
v_clsvwk(vdi_handle);
}
mouse_mode();
}
void
application_init(void)
{
if (aesid < 0) {
if ((aesid = appl_init()) < 0)
int_error(NO_CARET, "APPL_INIT failed !");
}
#ifdef __PUREC__
multi_aes = _GemParBlk.global[1] == -1;
#else
/* tested with gcc only */
multi_aes = _global[1] == -1;
#endif
if (!multi_aes)
graf_mouse(ARROW, NULL);
else
menu_register(aesid, " Terminal: atari");
text_mode();
atexit(application_exit);
}
static int
intersect(int *x1, int *y1, int *w1, int *h1, int x2, int y2, int w2, int h2)
{
if (*x1 > x2) {
w2 -= *x1 - x2;
x2 = *x1;
} else {
(*w1) -= x2 - *x1;
*x1 = x2;
}
if (*y1 > y2) {
h2 -= *y1 - y2;
y2 = *y1;
} else {
(*h1) -= y2 - *y1;
*y1 = y2;
}
if (*w1 > w2) {
*w1 = w2;
} else {
w2 = *w1;
}
if (*h1 > h2) {
*h1 = h2;
} else {
h2 = *h1;
}
return (*w1) > 0 && (*h1) > 0;
}
static void
walk_rects(void (*draw) (int, int, int, int), int x1, int y1, int w1, int h1)
{
int x, y, w, h;
int pxy[4];
wind_update(BEG_UPDATE);
graf_mouse(M_OFF, NULL);
wind_get(window_id, WF_FIRSTXYWH, &x, &y, &w, &h);
while (w > 0 && h > 0) {
if (intersect(&x, &y, &w, &h, x1, y1, w1, h1)) {
pxy[0] = x;
pxy[1] = y;
pxy[2] = x + w - 1;
pxy[3] = y + h - 1;
vs_clip(vdi_handle, 1, pxy);
(*draw) (x, y, w, h);
}
wind_get(window_id, WF_NEXTXYWH, &x, &y, &w, &h);
}
vs_clip(vdi_handle, 0, pxy);
graf_mouse(M_ON, NULL);
wind_update(END_UPDATE);
}
static void
clear(int x, int y, int w, int h)
{
static MFDB mfdb = { NULL };
int pxy[8];
pxy[0] = pxy[4] = x;
pxy[1] = pxy[5] = y;
pxy[2] = pxy[6] = x + w - 1;
pxy[3] = pxy[7] = y + h - 1;
vro_cpyfm(vdi_handle, ALL_WHITE /*0 */ , pxy, &mfdb, &mfdb);
}
static void
process_message(int *msg)
{
static int is_fulled = FALSE;
static int small_xpos, small_ypos, small_xsize, small_ysize;
int x, y, w, h;
if (window_id == -1 || msg[3] != window_id)
return;
switch (msg[0]) {
case WM_REDRAW:
walk_rects(clear, msg[4], msg[5], msg[6], msg[7]);
break;
case WM_CLOSED:
close_window();
break;
case WM_TOPPED:
wind_set(window_id, WF_TOP, window_id);
break;
case WM_MOVED:
case WM_SIZED:
is_fulled = 0;
wind_calc(WC_WORK, WINTYPE, msg[4], msg[5], msg[6], msg[7],
&win_xpos, &win_ypos, &win_xsize, &win_ysize);
wind_set(window_id, WF_CURRXYWH, msg[4], msg[5], msg[6], msg[7]);
break;
case WM_FULLED:
if (!is_fulled) {
is_fulled = TRUE;
small_xpos = win_xpos;
small_ypos = win_ypos;
small_xsize = win_xsize;
small_ysize = win_ysize;
wind_get(0, WF_WORKXYWH, &x, &y, &w, &h);
wind_calc(WC_WORK, WINTYPE, x, y, w, h, &win_xpos, &win_ypos,
&win_xsize, &win_ysize);
} else {
is_fulled = FALSE;
win_xpos = small_xpos;
win_ypos = small_ypos;
win_xsize = small_xsize;
win_ysize = small_ysize;
}
wind_calc(WC_BORDER, WINTYPE, win_xpos, win_ypos, win_xsize,
win_ysize, &x, &y, &w, &h);
wind_set(window_id, WF_CURRXYWH, x, y, w, h);
break;
}
}
long
poll_events(int waitkey)
{
int msg[8];
int dummy;
int which;
int key = 0;
/* 1/10th second when waiting for key, poll otherwise */
unsigned long time = (waitkey ? 100L : 1L);
do {
which = evnt_multi(
(waitkey ? (MU_MESAG | MU_KEYBD | MU_TIMER) : (MU_MESAG | MU_TIMER)),
0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
msg,
#ifdef __PUREC__
time, 0,
#else
time,
#endif
&dummy, &dummy, &dummy, &dummy, &key, &dummy);
if (which & MU_MESAG) {
process_message(msg);
}
} while (which & MU_MESAG);
if (which & MU_KEYBD) {
return ((Kbshift(-1) & 7) << 24) | ((long) (key & 0xff00) << 8) | (key & 0xff);
} else {
return 0;
}
}
static void
f_line(int x, int y, int w, int h)
{
v_pline(vdi_handle, pxy_index, pxy);
}
static void
flush_line()
{
int line_type;
int color_index;
int i;
if (pxy_index >= 2) {
if (ATARI_numcolors == 2) { /* Monochrome */
color_index = 1;
line_type = ATARI_lt;
if (line_type >= 0)
line_type %= (ATARI_LINETYPES_MAX - 2);
} else { /* Color */
if (ATARI_lt < 0) {
color_index = 1;
line_type = ATARI_lt;
} else {
color_index = 2 + ATARI_lt % (ATARI_numcolors - 2);
line_type = (ATARI_lt / (ATARI_numcolors - 2)) % (ATARI_LINETYPES_MAX - 2);
}
}
vswr_mode(vdi_handle, MD_TRANS);
vsl_color(vdi_handle, color_index);
vsl_type(vdi_handle, 7);
vsl_udsty(vdi_handle, ATARI_linetypes[line_type + 2]);
walk_rects(f_line, win_xpos, win_ypos, win_xsize, win_ysize);
}
if (pxy_index >= 1) {
pxy[0] = pxy[2 * (pxy_index - 1)];
pxy[1] = pxy[2 * (pxy_index - 1) + 1];
pxy_index = 1;
}
}
static void
put_text(int x, int y, int w, int h)
{
v_gtext(vdi_handle, put_text_x, put_text_y, put_text_str);
}
TERM_PUBLIC void
ATARI_options()
{
#define ATARIHEXERROR "palette values 3 hex digits, please"
#define ATARIHEIGHTERROR "expecting a character height"
char opt[6]; /* maximum: 'fff'\0 */
int i;
char *tok_end;
term_options[0] = NUL;
ATARI_c_height = ATARI_c_height_default;
for (i = 0; i < 17; i++) {
if (END_OF_COMMAND)
break;
if (token[c_token].length > 5) {
ATARI_numpalette = 0;
ATARI_c_height = ATARI_c_height_default;
term_options[0] = NUL;
int_error(c_token, ATARIHEXERROR);
}
capture(opt, c_token, c_token, 6);
if (!i) {
ATARI_c_height = strtoul(opt, &tok_end, 10);
if (*tok_end != NUL) {
ATARI_numpalette = 0;
ATARI_c_height = ATARI_c_height_default;
term_options[0] = NUL;
int_error(c_token, ATARIHEIGHTERROR);
}
if (ATARI_c_height > 999)
ATARI_c_height = 999; /* avoid opt length overflow */
sprintf(opt, "%d ", ATARI_c_height);
} else {
if (*opt == '"' || *opt == '\'') {
opt[strlen(opt) - 1] = NUL;
strcpy(opt, opt + 1);
}
ATARI_colors[i - 1] = strtoul(opt, &tok_end, 16);
if (*tok_end != NUL) {
ATARI_numpalette = 0;
ATARI_c_height = ATARI_c_height_default;
term_options[0] = NUL;
int_error(c_token, ATARIHEXERROR);
}
sprintf(opt, "%X ", ATARI_colors[i - 1]);
/* do we need to quote? */
if (isdigit((unsigned char) *opt) && strpbrk(opt, "ABCDEF")) {
sprintf(opt, "\"%X\" ", ATARI_colors[i - 1]);
}
}
strcat(term_options, opt);
c_token++;
}
ATARI_numpalette = (i == 0 ? 0 : i - 1);
/* printf("Number of linetypes:%d\n", ATARI_LINETYPES_MAX); */
}
TERM_PUBLIC void
ATARI_init()
{
int work_in[11];
int work_out[57];
int i;
int hchar, wchar, dummy;
int rgb[3];
int num_save;
char *colors, *tok_end;
int x, y, w, h;
static int have_win_size = 0;
application_init();
if (ATARI_numpalette == 0 && (colors = getenv("GNUCOLORS")) && *colors) {
for (i = 0; i < 17; i++) {
if (!i) {
ATARI_c_height = strtoul(colors, &tok_end, 10);
if (colors == tok_end) {
i = 0;
ATARI_c_height = ATARI_c_height_default;
break;
}
} else {
if (*colors == '\0')
break;
ATARI_colors[i] = strtoul(colors, &tok_end, 16);
if (colors == tok_end || (unsigned) ATARI_colors[i] > 0xfff) {
i = 0;
break;
}
}
colors = tok_end;
while (*colors == ' ')
colors++;
}
ATARI_numpalette = (i == 0 ? 0 : i - 1);
}
vdi_handle = graf_handle(&dummy, &dummy, &dummy, &dummy);
if (!vdi_handle)
int_error(NO_CARET, "Fatal error opening virtual workstation");
for (i = 0; i < 10; work_in[i++] = 1);
work_in[10] = 2; /* use raster coordinates */
v_opnvwk(work_in, &vdi_handle, work_out);
if (!vdi_handle)
int_error(NO_CARET, "Fatal error opening virtual workstation");
if (!have_win_size) {
wind_get(0, WF_WORKXYWH, &x, &y, &w, &h);
wind_calc(WC_WORK, WINTYPE, x, y, w, h, &win_xpos, &win_ypos,
&win_xsize, &win_ysize);
have_win_size = 1;
}
term->xmax = win_xsize;
term->ymax = win_ysize;
vst_height(vdi_handle, ATARI_c_height, &dummy, &dummy, &wchar, &hchar);
term->h_char = wchar;
term->v_char = hchar; /* hchar stands for height this time */
term->h_tic = win_xsize / 100;
term->v_tic = term->h_tic;
ATARI_maxycoord = win_ysize - 1;
ATARI_numcolors = work_out[13];
for (i = 0; i < ATARI_numpalette; i++) {
vq_color(vdi_handle, i, 1, ATARI_savecolors[i]);
rgb[0] = 1000 * (ATARI_colors[i] >> 8);
rgb[0] /= 15;
rgb[1] = 1000 * ((ATARI_colors[i] >> 4) & 15);
rgb[1] /= 15;
rgb[2] = 1000 * (ATARI_colors[i] & 15);
rgb[2] /= 15;
vs_color(vdi_handle, i, rgb);
}
pxy_index = 0;
}
TERM_PUBLIC void
ATARI_reset()
{
int i;
close_window();
if (vdi_handle != -1) {
for (i = 0; i < ATARI_numpalette; i++) {
vs_color(vdi_handle, i, ATARI_savecolors[i]);
}
v_clsvwk(vdi_handle);
vdi_handle = -1;
}
}
TERM_PUBLIC void
ATARI_graphics()
{
ATARI_maxycoord = win_ysize - 1;
term->xmax = win_xsize;
term->ymax = win_ysize;
mouse_mode();
open_window();
poll_events(0);
walk_rects(clear, win_xpos, win_ypos, win_xsize, win_ysize);
pxy_index = 0;
}
TERM_PUBLIC void
ATARI_text()
{
flush_line();
if (!multi_aes) {
while (window_id != -1 && !poll_events(1));
close_window();
}
text_mode();
}
TERM_PUBLIC void
ATARI_move(unsigned int x, unsigned int y)
{
flush_line();
pxy[0] = x + win_xpos;
pxy[1] = ATARI_yc(y) + win_ypos;
pxy_index = 1;
}
TERM_PUBLIC void
ATARI_vector(unsigned int x, unsigned int y)
{
pxy[2 * pxy_index] = x + win_xpos;
pxy[2 * pxy_index + 1] = ATARI_yc(y) + win_ypos;
pxy_index++;
if (pxy_index == 64) { /* we're all full */
flush_line();
}
}
TERM_PUBLIC void
ATARI_linetype(int lt)
{
flush_line();
ATARI_lt = lt;
}
TERM_PUBLIC void
ATARI_put_text(unsigned int x, unsigned int y, const char *str)
{
int vchar = term->v_char;
int dummy;
if (!strlen(str))
return;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
/* align text left and to middle of char height */
vst_alignment(vdi_handle, 0, 5, &dummy, &dummy);
vst_rotation(vdi_handle, (ATARI_rotation ? 900 : 0));
if (ATARI_rotation) {
put_text_x = x - vchar / 2 + 1 + win_xpos;
put_text_y = ATARI_yc(y) - 1 + win_ypos;
put_text_str = str;
} else {
put_text_x = x + 1 + win_xpos;
put_text_y = ATARI_yc(y) - vchar / 2 + 1 + win_ypos;
put_text_str = str;
}
walk_rects(put_text, win_xpos, win_ypos, win_xsize, win_ysize);
}
TERM_PUBLIC int
ATARI_text_angle(int ang)
{
ATARI_rotation = ang;
return TRUE;
}
TERM_PUBLIC int
ATARI_justify_text(enum JUSTIFY mode)
{
return FALSE;
}
TERM_PUBLIC void
ATARI_point(unsigned int x, unsigned int y, int number)
{
int old_linetype;
if (ATARI_numcolors == 2) {
line_and_point(x, y, number); /* monochrome */
} else {
/* we map colors that exceed our limit to dotted lines, but we can't do
that with the markers (sortof a generalized line_and_point) */
old_linetype = ATARI_lt;
if (ATARI_lt > ATARI_numcolors - 2)
ATARI_linetype(ATARI_lt % (ATARI_numcolors - 2)); /* same color, but no dots */
do_point(x, y, number);
ATARI_linetype(old_linetype);
}
}
#endif /* TERM_BODY */
#ifdef TERM_TABLE
TERM_TABLE_START(atari_driver)
"atari", "Atari AES-Terminal",
ATARI_XMAX, ATARI_YMAX, ATARI_VCHAR, ATARI_HCHAR,
ATARI_VTIC, ATARI_HTIC, ATARI_options, ATARI_init, ATARI_reset,
ATARI_text, null_scale, ATARI_graphics, ATARI_move, ATARI_vector,
ATARI_linetype, ATARI_put_text, ATARI_text_angle,
ATARI_justify_text, ATARI_point, do_arrow, set_font_null,
0, TERM_CAN_MULTIPLOT, 0, 0
TERM_TABLE_END(atari_driver)
#undef LAST_TERM
#define LAST_TERM atari_driver
#endif /* TERM_TABLE */
#endif /* TERM_PROTO_ONLY */
#ifdef TERM_HELP
START_HELP(atari)
"1 atari ST (via AES)",
"?commands set terminal atari",
"?set terminal atari",
"?set term atari",
"?terminal atari",
"?term atari",
"?atari",
" The `atari` terminal has options to set the character size and the screen",
" colors.",
"",
" Syntax:",
" set terminal atari {<fontsize>} {<col0> <col1> ... <col15.}",
"",
" The character size must appear if any colors are to be specified. Each of",
" the (up to 16) colors is given as a three-digit hex number, where the digits",
" represent RED, GREEN and BLUE (in that order). The range of 0--15 is scaled",
" to whatever color range the screen actually has. On a normal ST screen, odd",
" and even intensities are the same.",
"",
" Examples:",
" set terminal atari 4 # use small (6x6) font",
" set terminal atari 6 0 # set monochrome screen to white on black",
" set terminal atari 13 0 fff f00 f0 f ff f0f",
" # set first seven colors to black, white, green, blue,",
" # cyan, purple, and yellow and use large font (8x16).",
"",
" Additionally, if an environment variable GNUCOLORS exists, its contents are",
" interpreted as an options string, but an explicit terminal option takes",
" precedence."
END_HELP(atari)
#endif /* TERM_HELP */