rts-plotutils.c
1 //! @file rts-plotutils.c
2 //! @author J. Marcel van der Veer
3
4 //! @section Copyright
5 //!
6 //! This file is part of Algol68G - an Algol 68 compiler-interpreter.
7 //! Copyright 2001-2023 J. Marcel van der Veer [algol68g@xs4all.nl].
8
9 //! @section License
10 //!
11 //! This program is free software; you can redistribute it and/or modify it
12 //! under the terms of the GNU General Public License as published by the
13 //! Free Software Foundation; either version 3 of the License, or
14 //! (at your option) any later version.
15 //!
16 //! This program is distributed in the hope that it will be useful, but
17 //! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 //! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 //! more details. You should have received a copy of the GNU General Public
20 //! License along with this program. If not, see [http://www.gnu.org/licenses/].
21
22 //! @section Synopsis
23 //!
24 //! Gnuplot's libplot interface.
25
26 // This file contains the Algol68G interface to libplot. Note that Algol68G is not
27 // a binding for libplot. When GNU plotutils are not installed then the routines in
28 // this file will give a runtime error when called. You can also choose to not
29 // define them in "prelude.c".
30
31 #include "a68g.h"
32 #include "a68g-genie.h"
33 #include "a68g-numbers.h"
34 #include "a68g-prelude.h"
35
36 #if defined (HAVE_GNU_PLOTUTILS)
37
38 #define COLOUR_MAX 65535
39 #define COLOUR_NAMES 668
40
41 struct COLOUR_INFO
42 {
43 char *name;
44 int red, green, blue;
45 };
46
47 typedef struct COLOUR_INFO colour_info;
48
49 const colour_info A68_COLOURS[];
50
51 BOOL_T string_to_colour (NODE_T *, char *, int *);
52
53 //! @brief Scans string for an integer.
54
55 BOOL_T scan_int (char **z, int *k)
56 {
57 char *y = *z;
58 while (y[0] != NULL_CHAR && !IS_DIGIT (y[0])) {
59 y++;
60 }
61 if (y[0] != NULL_CHAR) {
62 (*k) = strtol (y, z, 10);
63 return (BOOL_T) (errno == 0);
64 } else {
65 return A68_FALSE;
66 }
67 }
68
69 //! @brief PROC (REF FILE, STRING, STRING) make device
70
71 void genie_make_device (NODE_T * p)
72 {
73 // Pop arguments.
74 A68_REF ref_device, ref_page, ref_file;
75 POP_REF (p, &ref_page);
76 POP_REF (p, &ref_device);
77 POP_REF (p, &ref_file);
78 CHECK_REF (p, ref_file, M_REF_FILE);
79 A68_FILE *file = FILE_DEREF (&ref_file);
80 if (DEVICE_MADE (&DEVICE (file))) {
81 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_ALREADY_SET);
82 exit_genie (p, A68_RUNTIME_ERROR);
83 }
84 // Fill in page_size.
85 int size = a68_string_size (p, ref_page);
86 if (INITIALISED (&(A68_PAGE_SIZE (&DEVICE (file)))) && !IS_NIL (A68_PAGE_SIZE (&DEVICE (file)))) {
87 UNBLOCK_GC_HANDLE (&A68_PAGE_SIZE (&DEVICE (file)));
88 }
89 A68_PAGE_SIZE (&DEVICE (file)) = heap_generator (p, M_STRING, 1 + size);
90 BLOCK_GC_HANDLE (&A68_PAGE_SIZE (&DEVICE (file)));
91 ASSERT (a_to_c_string (p, DEREF (char, &A68_PAGE_SIZE (&DEVICE (file))), ref_page) != NO_TEXT);
92 // Fill in device.
93 size = a68_string_size (p, ref_device);
94 if (INITIALISED (&(DEVICE (&DEVICE (file)))) && !IS_NIL (DEVICE (&DEVICE (file)))) {
95 UNBLOCK_GC_HANDLE (&DEVICE (&DEVICE (file)));
96 }
97 DEVICE (&DEVICE (file)) = heap_generator (p, M_STRING, 1 + size);
98 BLOCK_GC_HANDLE (&DEVICE (&DEVICE (file)));
99 ASSERT (a_to_c_string (p, DEREF (char, &DEVICE (&DEVICE (file))), ref_device) != NO_TEXT);
100 DEVICE_MADE (&DEVICE (file)) = A68_TRUE;
101 PUSH_VALUE (p, A68_TRUE, A68_BOOL);
102 }
103
104 //! @brief Closes the plotter.
105
106 BOOL_T close_device (NODE_T * p, A68_FILE * f)
107 {
108 CHECK_INIT (p, INITIALISED (f), M_FILE);
109 if (!OPENED (f)) {
110 diagnostic (A68_RUNTIME_ERROR, p, ERROR_FILE_NOT_OPEN);
111 exit_genie (p, A68_RUNTIME_ERROR);
112 }
113 if (!(DEVICE_OPENED (&DEVICE (f)))) {
114 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_NOT_OPEN);
115 exit_genie (p, A68_RUNTIME_ERROR);
116 }
117 if (DEVICE_MADE (&DEVICE (f))) {
118 if (!IS_NIL (DEVICE (&DEVICE (f)))) {
119 UNBLOCK_GC_HANDLE (&(DEVICE (&DEVICE (f))));
120 }
121 if (!IS_NIL (A68_PAGE_SIZE (&DEVICE (f)))) {
122 UNBLOCK_GC_HANDLE (&(A68_PAGE_SIZE (&DEVICE (f))));
123 }
124 }
125 if (pl_closepl_r (PLOTTER (&DEVICE (f))) < 0) {
126 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CLOSING_DEVICE);
127 exit_genie (p, A68_RUNTIME_ERROR);
128 }
129 if (pl_deletepl_r (PLOTTER (&DEVICE (f))) < 0) {
130 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CLOSING_DEVICE);
131 exit_genie (p, A68_RUNTIME_ERROR);
132 }
133 if (STREAM (&DEVICE (f)) != NO_STREAM && fclose (STREAM (&DEVICE (f))) != 0) {
134 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CLOSING_FILE);
135 exit_genie (p, A68_RUNTIME_ERROR);
136 }
137 DEVICE_OPENED (&DEVICE (f)) = A68_FALSE;
138 return A68_TRUE;
139 }
140
141 //! @brief Sets up the plotter prior to using it.
142
143 plPlotter *set_up_device (NODE_T * p, A68_FILE * f)
144 {
145 // First set up the general device, then plotter-specific things.
146 CHECK_INIT (p, INITIALISED (f), M_FILE);
147 A68_REF ref_filename = IDENTIFICATION (f);
148 // This one in front as to quickly select the plotter.
149 if (DEVICE_OPENED (&DEVICE (f))) {
150 if (DEVICE_HANDLE (&DEVICE (f)) < 0) {
151 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
152 exit_genie (p, A68_RUNTIME_ERROR);
153 }
154 return PLOTTER (&DEVICE (f));
155 }
156 // Device not set up yet.
157 if (!OPENED (f)) {
158 diagnostic (A68_RUNTIME_ERROR, p, ERROR_FILE_NOT_OPEN);
159 exit_genie (p, A68_RUNTIME_ERROR);
160 }
161 if (READ_MOOD (f)) {
162 diagnostic (A68_RUNTIME_ERROR, p, ERROR_FILE_WRONG_MOOD, "read");
163 exit_genie (p, A68_RUNTIME_ERROR);
164 }
165 if (WRITE_MOOD (f)) {
166 diagnostic (A68_RUNTIME_ERROR, p, ERROR_FILE_WRONG_MOOD, "write");
167 exit_genie (p, A68_RUNTIME_ERROR);
168 }
169 if (!DRAW (&CHANNEL (f))) {
170 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CHANNEL_DOES_NOT_ALLOW, "drawing");
171 exit_genie (p, A68_RUNTIME_ERROR);
172 }
173 if (!DEVICE_MADE (&DEVICE (f))) {
174 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_NOT_SET);
175 exit_genie (p, A68_RUNTIME_ERROR);
176 }
177 char *device_type = DEREF (char, &DEVICE (&DEVICE (f)));
178 if (!strcmp (device_type, "X")) {
179 #if defined (X_DISPLAY_MISSING)
180 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "X plotter missing", "");
181 exit_genie (p, A68_RUNTIME_ERROR);
182 #else
183 // Supported plotter type - X Window System
184 char *z = DEREF (char, &A68_PAGE_SIZE (&DEVICE (f))), size[BUFFER_SIZE];
185 // Establish page size.
186 if (!scan_int (&z, &(WINDOW_X_SIZE (&DEVICE (f))))) {
187 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
188 exit_genie (p, A68_RUNTIME_ERROR);
189 }
190 if (!scan_int (&z, &(WINDOW_Y_SIZE (&DEVICE (f))))) {
191 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
192 exit_genie (p, A68_RUNTIME_ERROR);
193 }
194 if (z[0] != NULL_CHAR) {
195 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
196 exit_genie (p, A68_RUNTIME_ERROR);
197 }
198 // Make the X window.
199 FD (f) = -1;
200 PLOTTER_PARAMS (&DEVICE (f)) = pl_newplparams ();
201 if (PLOTTER_PARAMS (&DEVICE (f)) == NULL) {
202 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_ALLOCATE);
203 exit_genie (p, A68_RUNTIME_ERROR);
204 }
205 ASSERT (snprintf (size, SNPRINTF_SIZE, "%dx%d", WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))) >= 0);
206 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BITMAPSIZE", size);
207 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BG_COLOR", (void *) "black");
208 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "VANISH_ON_DELETE", (void *) "no");
209 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "X_AUTO_FLUSH", (void *) "yes");
210 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "USE_DOUBLE_BUFFERING", (void *) "no");
211 PLOTTER (&DEVICE (f)) = pl_newpl_r ("X", NULL, NULL, stderr, PLOTTER_PARAMS (&DEVICE (f)));
212 if (PLOTTER (&DEVICE (f)) == NULL) {
213 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
214 exit_genie (p, A68_RUNTIME_ERROR);
215 }
216 if (pl_openpl_r (PLOTTER (&DEVICE (f))) < 0) {
217 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
218 exit_genie (p, A68_RUNTIME_ERROR);
219 }
220 (void) pl_space_r (PLOTTER (&DEVICE (f)), 0, 0, WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f)));
221 (void) pl_bgcolorname_r (PLOTTER (&DEVICE (f)), "black");
222 (void) pl_colorname_r (PLOTTER (&DEVICE (f)), "white");
223 (void) pl_pencolorname_r (PLOTTER (&DEVICE (f)), "white");
224 (void) pl_fillcolorname_r (PLOTTER (&DEVICE (f)), "white");
225 (void) pl_filltype_r (PLOTTER (&DEVICE (f)), 0);
226 DRAW_MOOD (f) = A68_TRUE;
227 DEVICE_OPENED (&DEVICE (f)) = A68_TRUE;
228 X_COORD (&DEVICE (f)) = 0;
229 Y_COORD (&DEVICE (f)) = 0;
230 return PLOTTER (&DEVICE (f));
231 #endif
232 } else if (!strcmp (device_type, "gif")) {
233 // Supported plotter type - pseudo GIF
234 char *z = DEREF (char, &A68_PAGE_SIZE (&DEVICE (f))), size[BUFFER_SIZE];
235 // Establish page size.
236 if (!scan_int (&z, &(WINDOW_X_SIZE (&DEVICE (f))))) {
237 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
238 exit_genie (p, A68_RUNTIME_ERROR);
239 }
240 if (!scan_int (&z, &(WINDOW_Y_SIZE (&DEVICE (f))))) {
241 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
242 exit_genie (p, A68_RUNTIME_ERROR);
243 }
244 if (z[0] != NULL_CHAR) {
245 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
246 exit_genie (p, A68_RUNTIME_ERROR);
247 }
248 // Open the output file for drawing.
249 CHECK_REF (p, ref_filename, M_ROWS);
250 char *filename = DEREF (char, &ref_filename);
251 errno = 0;
252 if ((STREAM (&DEVICE (f)) = fopen (filename, "wb")) == NO_STREAM) {
253 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CANNOT_OPEN_NAME, filename);
254 exit_genie (p, A68_RUNTIME_ERROR);
255 } else {
256 READ_MOOD (f) = A68_FALSE;
257 WRITE_MOOD (f) = A68_FALSE;
258 CHAR_MOOD (f) = A68_FALSE;
259 DRAW_MOOD (f) = A68_TRUE;
260 }
261 // Set up plotter.
262 PLOTTER_PARAMS (&DEVICE (f)) = pl_newplparams ();
263 if (PLOTTER_PARAMS (&DEVICE (f)) == NULL) {
264 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_ALLOCATE);
265 exit_genie (p, A68_RUNTIME_ERROR);
266 }
267 ASSERT (snprintf (size, SNPRINTF_SIZE, "%dx%d", WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))) >= 0);
268 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BITMAPSIZE", size);
269 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BG_COLOR", (void *) "black");
270 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "GIF_ANIMATION", (void *) "no");
271 PLOTTER (&DEVICE (f)) = pl_newpl_r ("gif", NULL, STREAM (&DEVICE (f)), stderr, PLOTTER_PARAMS (&DEVICE (f)));
272 if (PLOTTER (&DEVICE (f)) == NULL) {
273 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
274 exit_genie (p, A68_RUNTIME_ERROR);
275 }
276 if (pl_openpl_r (PLOTTER (&DEVICE (f))) < 0) {
277 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
278 exit_genie (p, A68_RUNTIME_ERROR);
279 }
280 (void) pl_space_r (PLOTTER (&DEVICE (f)), 0, 0, WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f)));
281 (void) pl_bgcolorname_r (PLOTTER (&DEVICE (f)), "black");
282 (void) pl_colorname_r (PLOTTER (&DEVICE (f)), "white");
283 (void) pl_pencolorname_r (PLOTTER (&DEVICE (f)), "white");
284 (void) pl_fillcolorname_r (PLOTTER (&DEVICE (f)), "white");
285 (void) pl_filltype_r (PLOTTER (&DEVICE (f)), 0);
286 DRAW_MOOD (f) = A68_TRUE;
287 DEVICE_OPENED (&DEVICE (f)) = A68_TRUE;
288 X_COORD (&DEVICE (f)) = 0;
289 Y_COORD (&DEVICE (f)) = 0;
290 return PLOTTER (&DEVICE (f));
291 } else if (!strcmp (device_type, "pnm")) {
292 // Supported plotter type - Portable aNyMap
293 char *z = DEREF (char, &A68_PAGE_SIZE (&DEVICE (f))), size[BUFFER_SIZE];
294 // Establish page size.
295 if (!scan_int (&z, &(WINDOW_X_SIZE (&DEVICE (f))))) {
296 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
297 exit_genie (p, A68_RUNTIME_ERROR);
298 }
299 if (!scan_int (&z, &(WINDOW_Y_SIZE (&DEVICE (f))))) {
300 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
301 exit_genie (p, A68_RUNTIME_ERROR);
302 }
303 if (z[0] != NULL_CHAR) {
304 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
305 exit_genie (p, A68_RUNTIME_ERROR);
306 }
307 // Open the output file for drawing.
308 CHECK_REF (p, ref_filename, M_ROWS);
309 char *filename = DEREF (char, &ref_filename);
310 errno = 0;
311 if ((STREAM (&DEVICE (f)) = fopen (filename, "wb")) == NO_STREAM) {
312 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CANNOT_OPEN_NAME, filename);
313 exit_genie (p, A68_RUNTIME_ERROR);
314 } else {
315 READ_MOOD (f) = A68_FALSE;
316 WRITE_MOOD (f) = A68_FALSE;
317 CHAR_MOOD (f) = A68_FALSE;
318 DRAW_MOOD (f) = A68_TRUE;
319 }
320 // Set up plotter.
321 ASSERT (snprintf (size, SNPRINTF_SIZE, "%dx%d", WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))) >= 0);
322 PLOTTER_PARAMS (&DEVICE (f)) = pl_newplparams ();
323 if (PLOTTER_PARAMS (&DEVICE (f)) == NULL) {
324 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_ALLOCATE);
325 exit_genie (p, A68_RUNTIME_ERROR);
326 }
327 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BITMAPSIZE", size);
328 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BG_COLOR", (void *) "black");
329 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "PNM_PORTABLE", (void *) "no");
330 PLOTTER (&DEVICE (f)) = pl_newpl_r ("pnm", NULL, STREAM (&DEVICE (f)), stderr, PLOTTER_PARAMS (&DEVICE (f)));
331 if (PLOTTER (&DEVICE (f)) == NULL) {
332 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
333 exit_genie (p, A68_RUNTIME_ERROR);
334 }
335 if (pl_openpl_r (PLOTTER (&DEVICE (f))) < 0) {
336 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
337 exit_genie (p, A68_RUNTIME_ERROR);
338 }
339 (void) pl_space_r (PLOTTER (&DEVICE (f)), 0, 0, WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f)));
340 (void) pl_bgcolorname_r (PLOTTER (&DEVICE (f)), "black");
341 (void) pl_colorname_r (PLOTTER (&DEVICE (f)), "white");
342 (void) pl_pencolorname_r (PLOTTER (&DEVICE (f)), "white");
343 (void) pl_fillcolorname_r (PLOTTER (&DEVICE (f)), "white");
344 (void) pl_filltype_r (PLOTTER (&DEVICE (f)), 0);
345 DRAW_MOOD (f) = A68_TRUE;
346 DEVICE_OPENED (&DEVICE (f)) = A68_TRUE;
347 X_COORD (&DEVICE (f)) = 0;
348 Y_COORD (&DEVICE (f)) = 0;
349 return PLOTTER (&DEVICE (f));
350 } else if (!strcmp (device_type, "png")) {
351 #if defined (X_DISPLAY_MISSING)
352 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "PNG plotter missing", "");
353 exit_genie (p, A68_RUNTIME_ERROR);
354 #else
355 // Supported plotter type - PNG
356 char *z = DEREF (char, &A68_PAGE_SIZE (&DEVICE (f))), size[BUFFER_SIZE];
357 // Establish page size.
358 if (!scan_int (&z, &(WINDOW_X_SIZE (&DEVICE (f))))) {
359 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
360 exit_genie (p, A68_RUNTIME_ERROR);
361 }
362 if (!scan_int (&z, &(WINDOW_Y_SIZE (&DEVICE (f))))) {
363 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
364 exit_genie (p, A68_RUNTIME_ERROR);
365 }
366 if (z[0] != NULL_CHAR) {
367 diagnostic (A68_RUNTIME_ERROR, p, ERROR_PAGE_SIZE);
368 exit_genie (p, A68_RUNTIME_ERROR);
369 }
370 // Open the output file for drawing.
371 CHECK_REF (p, ref_filename, M_ROWS);
372 char *filename = DEREF (char, &ref_filename);
373 errno = 0;
374 if ((STREAM (&DEVICE (f)) = fopen (filename, "wb")) == NO_STREAM) {
375 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CANNOT_OPEN_NAME, filename);
376 exit_genie (p, A68_RUNTIME_ERROR);
377 } else {
378 READ_MOOD (f) = A68_FALSE;
379 WRITE_MOOD (f) = A68_FALSE;
380 CHAR_MOOD (f) = A68_FALSE;
381 DRAW_MOOD (f) = A68_TRUE;
382 }
383 // Set up plotter.
384 PLOTTER_PARAMS (&DEVICE (f)) = pl_newplparams ();
385 if (PLOTTER_PARAMS (&DEVICE (f)) == NULL) {
386 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_ALLOCATE);
387 exit_genie (p, A68_RUNTIME_ERROR);
388 }
389 ASSERT (snprintf (size, SNPRINTF_SIZE, "%dx%d", WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))) >= 0);
390 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BITMAPSIZE", size);
391 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "BG_COLOR", (void *) "black");
392 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "GIF_ANIMATION", (void *) "no");
393 PLOTTER (&DEVICE (f)) = pl_newpl_r ("png", NULL, STREAM (&DEVICE (f)), stderr, PLOTTER_PARAMS (&DEVICE (f)));
394 if (PLOTTER (&DEVICE (f)) == NULL) {
395 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
396 exit_genie (p, A68_RUNTIME_ERROR);
397 }
398 if (pl_openpl_r (PLOTTER (&DEVICE (f))) < 0) {
399 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
400 exit_genie (p, A68_RUNTIME_ERROR);
401 }
402 (void) pl_space_r (PLOTTER (&DEVICE (f)), 0, 0, WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f)));
403 (void) pl_bgcolorname_r (PLOTTER (&DEVICE (f)), "black");
404 (void) pl_colorname_r (PLOTTER (&DEVICE (f)), "white");
405 (void) pl_pencolorname_r (PLOTTER (&DEVICE (f)), "white");
406 (void) pl_fillcolorname_r (PLOTTER (&DEVICE (f)), "white");
407 (void) pl_filltype_r (PLOTTER (&DEVICE (f)), 0);
408 DRAW_MOOD (f) = A68_TRUE;
409 DEVICE_OPENED (&DEVICE (f)) = A68_TRUE;
410 X_COORD (&DEVICE (f)) = 0;
411 Y_COORD (&DEVICE (f)) = 0;
412 return PLOTTER (&DEVICE (f));
413 #endif
414 } else if (!strcmp (device_type, "ps")) {
415 #if defined (POSTSCRIPT_MISSING)
416 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "postscript plotter missing", "");
417 exit_genie (p, A68_RUNTIME_ERROR);
418 #else
419 // Supported plotter type - Postscript
420 // Open the output file for drawing.
421 CHECK_REF (p, ref_filename, M_ROWS);
422 char *filename = DEREF (char, &ref_filename);
423 errno = 0;
424 if ((STREAM (&DEVICE (f)) = fopen (filename, "w")) == NO_STREAM) {
425 diagnostic (A68_RUNTIME_ERROR, p, ERROR_CANNOT_OPEN_NAME, filename);
426 exit_genie (p, A68_RUNTIME_ERROR);
427 } else {
428 READ_MOOD (f) = A68_FALSE;
429 WRITE_MOOD (f) = A68_FALSE;
430 CHAR_MOOD (f) = A68_FALSE;
431 DRAW_MOOD (f) = A68_TRUE;
432 }
433 // Set up ps plotter.
434 PLOTTER_PARAMS (&DEVICE (f)) = pl_newplparams ();
435 if (PLOTTER_PARAMS (&DEVICE (f)) == NULL) {
436 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_ALLOCATE);
437 exit_genie (p, A68_RUNTIME_ERROR);
438 }
439 (void) pl_setplparam (PLOTTER_PARAMS (&DEVICE (f)), "PAGESIZE", DEREF (char, &A68_PAGE_SIZE (&DEVICE (f))));
440 PLOTTER (&DEVICE (f)) = pl_newpl_r ("ps", NULL, STREAM (&DEVICE (f)), stderr, PLOTTER_PARAMS (&DEVICE (f)));
441 if (PLOTTER (&DEVICE (f)) == NULL) {
442 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
443 exit_genie (p, A68_RUNTIME_ERROR);
444 }
445 if (pl_openpl_r (PLOTTER (&DEVICE (f))) < 0) {
446 diagnostic (A68_RUNTIME_ERROR, p, ERROR_DEVICE_CANNOT_OPEN);
447 exit_genie (p, A68_RUNTIME_ERROR);
448 }
449 WINDOW_X_SIZE (&DEVICE (f)) = 1000;
450 WINDOW_Y_SIZE (&DEVICE (f)) = 1000;
451 (void) pl_space_r (PLOTTER (&DEVICE (f)), 0, 0, WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f)));
452 (void) pl_bgcolorname_r (PLOTTER (&DEVICE (f)), "black");
453 (void) pl_colorname_r (PLOTTER (&DEVICE (f)), "white");
454 (void) pl_pencolorname_r (PLOTTER (&DEVICE (f)), "white");
455 (void) pl_fillcolorname_r (PLOTTER (&DEVICE (f)), "white");
456 (void) pl_filltype_r (PLOTTER (&DEVICE (f)), 0);
457 DRAW_MOOD (f) = A68_TRUE;
458 DEVICE_OPENED (&DEVICE (f)) = A68_TRUE;
459 X_COORD (&DEVICE (f)) = 0;
460 Y_COORD (&DEVICE (f)) = 0;
461 return PLOTTER (&DEVICE (f));
462 #endif
463 } else {
464 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "unindentified plotter", device_type);
465 exit_genie (p, A68_RUNTIME_ERROR);
466 }
467 return NULL;
468 }
469
470 //! @brief PROC (REF FILE) VOID draw erase
471
472 void genie_draw_clear (NODE_T * p)
473 {
474 A68_REF ref_file;
475 POP_REF (p, &ref_file);
476 CHECK_REF (p, ref_file, M_REF_FILE);
477 A68_FILE *f = FILE_DEREF (&ref_file);
478 plPlotter *plotter = set_up_device (p, f);
479 (void) pl_flushpl_r (plotter);
480 (void) pl_erase_r (plotter);
481 }
482
483 //! @brief PROC (REF FILE) VOID draw show
484
485 void genie_draw_show (NODE_T * p)
486 {
487 A68_REF ref_file;
488 POP_REF (p, &ref_file);
489 CHECK_REF (p, ref_file, M_REF_FILE);
490 A68_FILE *f = FILE_DEREF (&ref_file);
491 plPlotter *plotter = set_up_device (p, f);
492 (void) pl_flushpl_r (plotter);
493 }
494
495 //! @brief PROC (REF FILE) REAL draw aspect
496
497 void genie_draw_aspect (NODE_T * p)
498 {
499 A68_REF ref_file;
500 POP_REF (p, &ref_file);
501 CHECK_REF (p, ref_file, M_REF_FILE);
502 A68_FILE *f = FILE_DEREF (&ref_file);
503 plPlotter *plotter = set_up_device (p, f);
504 PUSH_VALUE (p, (REAL_T) WINDOW_Y_SIZE (&DEVICE (f)) / (REAL_T) WINDOW_X_SIZE (&DEVICE (f)), A68_REAL);
505 (void) plotter;
506 }
507
508 //! @brief PROC (REF FILE, INT) VOID draw fillstyle
509
510 void genie_draw_fillstyle (NODE_T * p)
511 {
512 A68_INT z; A68_REF ref_file;
513 POP_OBJECT (p, &z, A68_INT);
514 POP_REF (p, &ref_file);
515 CHECK_REF (p, ref_file, M_REF_FILE);
516 A68_FILE *f = FILE_DEREF (&ref_file);
517 plPlotter *plotter = set_up_device (p, f);
518 (void) pl_filltype_r (plotter, (int) VALUE (&z));
519 }
520
521 //! @brief PROC (INT) STRING draw get colour name
522
523 void genie_draw_get_colour_name (NODE_T * p)
524 {
525 A68_INT z;
526 POP_OBJECT (p, &z, A68_INT);
527 int j = (VALUE (&z) - 1) % COLOUR_NAMES;
528 char *str = NAME (&A68_COLOURS[j]);
529 PUSH_REF (p, c_to_a_string (p, str, DEFAULT_WIDTH));
530 }
531
532 //! @brief PROC (REF FILE, REAL, REAL, REAL) VOID draw colour
533
534 void genie_draw_colour (NODE_T * p)
535 {
536 A68_REAL x, y, z; A68_REF ref_file;
537 POP_OBJECT (p, &z, A68_REAL);
538 POP_OBJECT (p, &y, A68_REAL);
539 POP_OBJECT (p, &x, A68_REAL);
540 POP_REF (p, &ref_file);
541 CHECK_REF (p, ref_file, M_REF_FILE);
542 A68_FILE *f = FILE_DEREF (&ref_file);
543 plPlotter *plotter = set_up_device (p, f);
544 RED (&DEVICE (f)) = VALUE (&x);
545 GREEN (&DEVICE (f)) = VALUE (&y);
546 BLUE (&DEVICE (f)) = VALUE (&z);
547 (void) pl_color_r (plotter, (int) (VALUE (&x) * COLOUR_MAX), (int) (VALUE (&y) * COLOUR_MAX), (int) (VALUE (&z) * COLOUR_MAX));
548 (void) pl_pencolor_r (plotter, (int) (VALUE (&x) * COLOUR_MAX), (int) (VALUE (&y) * COLOUR_MAX), (int) (VALUE (&z) * COLOUR_MAX));
549 (void) pl_fillcolor_r (plotter, (int) (VALUE (&x) * COLOUR_MAX), (int) (VALUE (&y) * COLOUR_MAX), (int) (VALUE (&z) * COLOUR_MAX));
550 }
551
552 //! @brief PROC (REF FILE, REAL, REAL, REAL) VOID draw background colour
553
554 void genie_draw_background_colour (NODE_T * p)
555 {
556 A68_REAL x, y, z; A68_REF ref_file;
557 POP_OBJECT (p, &z, A68_REAL);
558 POP_OBJECT (p, &y, A68_REAL);
559 POP_OBJECT (p, &x, A68_REAL);
560 POP_REF (p, &ref_file);
561 CHECK_REF (p, ref_file, M_REF_FILE);
562 A68_FILE *f = FILE_DEREF (&ref_file);
563 plPlotter *plotter = set_up_device (p, f);
564 (void) pl_bgcolor_r (plotter, (int) (VALUE (&x) * COLOUR_MAX), (int) (VALUE (&y) * COLOUR_MAX), (int) (VALUE (&z) * COLOUR_MAX));
565 }
566
567 //! @brief PROC (REF FILE, STRING) VOID draw colour name
568
569 void genie_draw_colour_name (NODE_T * p)
570 {
571 A68_REF ref_c, ref_file;
572 POP_REF (p, &ref_c);
573 POP_REF (p, &ref_file);
574 CHECK_REF (p, ref_file, M_REF_FILE);
575 A68_FILE *f = FILE_DEREF (&ref_file);
576 A68_REF ref_name = heap_generator (p, M_C_STRING, 1 + a68_string_size (p, ref_c));
577 char *name = DEREF (char, &ref_name);
578 ASSERT (a_to_c_string (p, name, ref_c) != NO_TEXT);
579 int k;
580 if (!string_to_colour (p, name, &k)) {
581 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "unidentified colour name", name);
582 exit_genie (p, A68_RUNTIME_ERROR);
583 }
584 REAL_T x = (REAL_T) (RED (&A68_COLOURS[k])) / (REAL_T) (0xff);
585 REAL_T y = (REAL_T) (GREEN (&A68_COLOURS[k])) / (REAL_T) (0xff);
586 REAL_T z = (REAL_T) (BLUE (&A68_COLOURS[k])) / (REAL_T) (0xff);
587 plPlotter *plotter = set_up_device (p, f);
588 RED (&DEVICE (f)) = x;
589 GREEN (&DEVICE (f)) = y;
590 BLUE (&DEVICE (f)) = z;
591 (void) pl_color_r (plotter, (int) (x * COLOUR_MAX), (int) (y * COLOUR_MAX), (int) (z * COLOUR_MAX));
592 (void) pl_pencolor_r (plotter, (int) (x * COLOUR_MAX), (int) (y * COLOUR_MAX), (int) (z * COLOUR_MAX));
593 (void) pl_fillcolor_r (plotter, (int) (x * COLOUR_MAX), (int) (y * COLOUR_MAX), (int) (z * COLOUR_MAX));
594 }
595
596 //! @brief PROC (REF FILE, STRING) VOID draw background colour name
597
598 void genie_draw_background_colour_name (NODE_T * p)
599 {
600 A68_REF ref_c, ref_file;
601 POP_REF (p, &ref_c);
602 POP_REF (p, &ref_file);
603 CHECK_REF (p, ref_file, M_REF_FILE);
604 A68_FILE *f = FILE_DEREF (&ref_file);
605 A68_REF ref_name = heap_generator (p, M_C_STRING, 1 + a68_string_size (p, ref_c));
606 char *name = DEREF (char, &ref_name);
607 ASSERT (a_to_c_string (p, name, ref_c) != NO_TEXT);
608 int k;
609 if (!string_to_colour (p, name, &k)) {
610 diagnostic (A68_RUNTIME_ERROR, p, ERROR_INVALID_PARAMETER, "unidentified colour name", name);
611 exit_genie (p, A68_RUNTIME_ERROR);
612 }
613 REAL_T x = (REAL_T) (RED (&A68_COLOURS[k])) / (REAL_T) (0xff);
614 REAL_T y = (REAL_T) (GREEN (&A68_COLOURS[k])) / (REAL_T) (0xff);
615 REAL_T z = (REAL_T) (BLUE (&A68_COLOURS[k])) / (REAL_T) (0xff);
616 plPlotter *plotter = set_up_device (p, f);
617 RED (&DEVICE (f)) = x;
618 GREEN (&DEVICE (f)) = y;
619 BLUE (&DEVICE (f)) = z;
620 (void) pl_bgcolor_r (plotter, (int) (x * COLOUR_MAX), (int) (y * COLOUR_MAX), (int) (z * COLOUR_MAX));
621 }
622
623 //! @brief PROC (REF FILE, STRING) VOID draw linestyle
624
625 void genie_draw_linestyle (NODE_T * p)
626 {
627 A68_REF txt, ref_file;
628 POP_REF (p, &txt);
629 POP_REF (p, &ref_file);
630 CHECK_REF (p, ref_file, M_REF_FILE);
631 A68_FILE *f = FILE_DEREF (&ref_file);
632 plPlotter *plotter = set_up_device (p, f);
633 int size = a68_string_size (p, txt);
634 A68_REF z_ref = heap_generator (p, M_C_STRING, 1 + size);
635 char *z = DEREF (char, &z_ref);
636 ASSERT (a_to_c_string (p, z, txt) != NO_TEXT);
637 (void) pl_linemod_r (plotter, z);
638 }
639
640 //! @brief PROC (REF FILE, INT) VOID draw linewidth
641
642 void genie_draw_linewidth (NODE_T * p)
643 {
644 A68_REAL width; A68_REF ref_file;
645 POP_OBJECT (p, &width, A68_REAL);
646 POP_REF (p, &ref_file);
647 CHECK_REF (p, ref_file, M_REF_FILE);
648 A68_FILE *f = FILE_DEREF (&ref_file);
649 plPlotter *plotter = set_up_device (p, f);
650 (void) pl_linewidth_r (plotter, (int) (VALUE (&width) * (REAL_T) WINDOW_Y_SIZE (&DEVICE (f))));
651 }
652
653 //! @brief PROC (REF FILE, REAL, REAL) VOID draw move
654
655 void genie_draw_move (NODE_T * p)
656 {
657 A68_REAL x, y; A68_REF ref_file;
658 POP_OBJECT (p, &y, A68_REAL);
659 POP_OBJECT (p, &x, A68_REAL);
660 POP_REF (p, &ref_file);
661 CHECK_REF (p, ref_file, M_REF_FILE);
662 A68_FILE *f = FILE_DEREF (&ref_file);
663 plPlotter *plotter = set_up_device (p, f);
664 (void) pl_fmove_r (plotter, VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)));
665 X_COORD (&DEVICE (f)) = VALUE (&x);
666 Y_COORD (&DEVICE (f)) = VALUE (&y);
667 }
668
669 //! @brief PROC (REF FILE, REAL, REAL) VOID draw line
670
671 void genie_draw_line (NODE_T * p)
672 {
673 A68_REAL x, y; A68_REF ref_file;
674 POP_OBJECT (p, &y, A68_REAL);
675 POP_OBJECT (p, &x, A68_REAL);
676 POP_REF (p, &ref_file);
677 CHECK_REF (p, ref_file, M_REF_FILE);
678 A68_FILE *f = FILE_DEREF (&ref_file);
679 plPlotter *plotter = set_up_device (p, f);
680 (void) pl_fline_r (plotter, X_COORD (&DEVICE (f)) * WINDOW_X_SIZE (&DEVICE (f)), Y_COORD (&DEVICE (f)) * WINDOW_Y_SIZE (&DEVICE (f)), VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)));
681 X_COORD (&DEVICE (f)) = VALUE (&x);
682 Y_COORD (&DEVICE (f)) = VALUE (&y);
683 }
684
685 //! @brief PROC (REF FILE, REAL, REAL) VOID draw point
686
687 void genie_draw_point (NODE_T * p)
688 {
689 A68_REAL x, y; A68_REF ref_file;
690 POP_OBJECT (p, &y, A68_REAL);
691 POP_OBJECT (p, &x, A68_REAL);
692 POP_REF (p, &ref_file);
693 CHECK_REF (p, ref_file, M_REF_FILE);
694 A68_FILE *f = FILE_DEREF (&ref_file);
695 plPlotter *plotter = set_up_device (p, f);
696 (void) pl_fpoint_r (plotter, VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)));
697 X_COORD (&DEVICE (f)) = VALUE (&x);
698 Y_COORD (&DEVICE (f)) = VALUE (&y);
699 }
700
701 //! @brief PROC (REF FILE, REAL, REAL) VOID draw rect
702
703 void genie_draw_rect (NODE_T * p)
704 {
705 A68_REAL x, y; A68_REF ref_file;
706 POP_OBJECT (p, &y, A68_REAL);
707 POP_OBJECT (p, &x, A68_REAL);
708 POP_REF (p, &ref_file);
709 CHECK_REF (p, ref_file, M_REF_FILE);
710 A68_FILE *f = FILE_DEREF (&ref_file);
711 plPlotter *plotter = set_up_device (p, f);
712 (void) pl_fbox_r (plotter, X_COORD (&DEVICE (f)) * WINDOW_X_SIZE (&DEVICE (f)), Y_COORD (&DEVICE (f)) * WINDOW_Y_SIZE (&DEVICE (f)), VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)));
713 X_COORD (&DEVICE (f)) = VALUE (&x);
714 Y_COORD (&DEVICE (f)) = VALUE (&y);
715 }
716
717 //! @brief PROC (REF FILE, REAL, REAL, REAL) VOID draw circle
718
719 void genie_draw_circle (NODE_T * p)
720 {
721 A68_REAL x, y, r; A68_REF ref_file;
722 POP_OBJECT (p, &r, A68_REAL);
723 POP_OBJECT (p, &y, A68_REAL);
724 POP_OBJECT (p, &x, A68_REAL);
725 POP_REF (p, &ref_file);
726 CHECK_REF (p, ref_file, M_REF_FILE);
727 A68_FILE *f = FILE_DEREF (&ref_file);
728 plPlotter *plotter = set_up_device (p, f);
729 (void) pl_fcircle_r (plotter, VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)), VALUE (&r) * MAX (WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))));
730 X_COORD (&DEVICE (f)) = VALUE (&x);
731 Y_COORD (&DEVICE (f)) = VALUE (&y);
732 }
733
734 //! @brief PROC (REF FILE, REAL, REAL, REAL) VOID draw atom
735
736 void genie_draw_atom (NODE_T * p)
737 {
738 A68_REAL x, y, r; A68_REF ref_file;
739 POP_OBJECT (p, &r, A68_REAL);
740 POP_OBJECT (p, &y, A68_REAL);
741 POP_OBJECT (p, &x, A68_REAL);
742 POP_REF (p, &ref_file);
743 CHECK_REF (p, ref_file, M_REF_FILE);
744 A68_FILE *f = FILE_DEREF (&ref_file);
745 plPlotter *plotter = set_up_device (p, f);
746 int k = (int) (VALUE (&r) * MAX (WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))));
747 (void) pl_filltype_r (plotter, 1);
748 for (int j = k - 1; j >= 0; j--) {
749 REAL_T frac = (REAL_T) j / (REAL_T) (k - 1);
750 frac = 0.6 + 0.3 * sqrt (1.0 - frac * frac);
751 (void) pl_color_r (plotter, (int) (frac * RED (&DEVICE (f)) * COLOUR_MAX), (int) (frac * GREEN (&DEVICE (f)) * COLOUR_MAX), (int) (frac * BLUE (&DEVICE (f)) * COLOUR_MAX));
752 (void) pl_fcircle_r (plotter, VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)), (REAL_T) j);
753 }
754 (void) pl_filltype_r (plotter, 0);
755 X_COORD (&DEVICE (f)) = VALUE (&x);
756 Y_COORD (&DEVICE (f)) = VALUE (&y);
757 }
758
759 //! @brief PROC (REF FILE, REAL, REAL, REAL) VOID draw atom
760
761 void genie_draw_star (NODE_T * p)
762 {
763 A68_REAL x, y, r; A68_REF ref_file;
764 POP_OBJECT (p, &r, A68_REAL);
765 POP_OBJECT (p, &y, A68_REAL);
766 POP_OBJECT (p, &x, A68_REAL);
767 POP_REF (p, &ref_file);
768 CHECK_REF (p, ref_file, M_REF_FILE);
769 A68_FILE *f = FILE_DEREF (&ref_file);
770 plPlotter *plotter = set_up_device (p, f);
771 int k = (int) (VALUE (&r) * MAX (WINDOW_X_SIZE (&DEVICE (f)), WINDOW_Y_SIZE (&DEVICE (f))));
772 for (int j = k; j >= 0; j--) {
773 REAL_T z = (REAL_T) j / (REAL_T) k, frac;
774 if (z < 0.2) {
775 z = z / 0.2;
776 frac = 0.5 * (1 + (cos (CONST_PI / 2 * z)));
777 } else {
778 z = (z - 0.2) / 0.8;
779 frac = (1 - z) * 0.3;
780 }
781 (void) pl_color_r (plotter, (int) (frac * RED (&DEVICE (f)) * COLOUR_MAX), (int) (frac * GREEN (&DEVICE (f)) * COLOUR_MAX), (int) (frac * BLUE (&DEVICE (f)) * COLOUR_MAX));
782 (void) pl_fcircle_r (plotter, VALUE (&x) * WINDOW_X_SIZE (&DEVICE (f)), VALUE (&y) * WINDOW_Y_SIZE (&DEVICE (f)), (REAL_T) j);
783 }
784 (void) pl_color_r (plotter, (int) (RED (&DEVICE (f)) * COLOUR_MAX), (int) (GREEN (&DEVICE (f)) * COLOUR_MAX), (int) (BLUE (&DEVICE (f)) * COLOUR_MAX));
785 X_COORD (&DEVICE (f)) = VALUE (&x);
786 Y_COORD (&DEVICE (f)) = VALUE (&y);
787 }
788
789 //! @brief PROC (REF FILE, CHAR, CHAR, STRING) VOID draw text
790
791 void genie_draw_text (NODE_T * p)
792 {
793 A68_CHAR just_v, just_h; A68_REF txt, ref_file;
794 POP_REF (p, &txt);
795 POP_OBJECT (p, &just_v, A68_CHAR);
796 POP_OBJECT (p, &just_h, A68_CHAR);
797 POP_REF (p, &ref_file);
798 CHECK_REF (p, ref_file, M_REF_FILE);
799 A68_FILE *f = FILE_DEREF (&ref_file);
800 plPlotter *plotter = set_up_device (p, f);
801 int size = a68_string_size (p, txt);
802 A68_REF z_ref = heap_generator (p, M_C_STRING, 1 + size);
803 char *z = DEREF (char, &z_ref);
804 ASSERT (a_to_c_string (p, z, txt) != NO_TEXT);
805 (void) pl_alabel_r (plotter, VALUE (&just_h), VALUE (&just_v), z);
806 }
807
808 //! @brief PROC (REF FILE, STRING) VOID draw fontname
809
810 void genie_draw_fontname (NODE_T * p)
811 {
812 A68_REF txt, ref_file;
813 POP_REF (p, &txt);
814 POP_REF (p, &ref_file);
815 CHECK_REF (p, ref_file, M_REF_FILE);
816 A68_FILE *f = FILE_DEREF (&ref_file);
817 plPlotter *plotter = set_up_device (p, f);
818 int size = a68_string_size (p, txt);
819 A68_REF z_ref = heap_generator (p, M_C_STRING, 1 + size);
820 char *z = DEREF (char, &z_ref);
821 ASSERT (a_to_c_string (p, z, txt) != NO_TEXT);
822 (void) pl_fontname_r (plotter, z);
823 }
824
825 //! @brief PROC (REF FILE, INT) VOID draw fontsize
826
827 void genie_draw_fontsize (NODE_T * p)
828 {
829 A68_INT size;
830 A68_REF ref_file;
831 POP_OBJECT (p, &size, A68_INT);
832 POP_REF (p, &ref_file);
833 CHECK_REF (p, ref_file, M_REF_FILE);
834 A68_FILE *f = FILE_DEREF (&ref_file);
835 plPlotter *plotter = set_up_device (p, f);
836 (void) pl_fontsize_r (plotter, (int) VALUE (&size));
837 }
838
839 //! @brief PROC (REF FILE, INT) VOID draw textangle
840
841 void genie_draw_textangle (NODE_T * p)
842 {
843 A68_INT angle;
844 A68_REF ref_file;
845 A68_FILE *f;
846 plPlotter *plotter;
847 POP_OBJECT (p, &angle, A68_INT);
848 POP_REF (p, &ref_file);
849 CHECK_REF (p, ref_file, M_REF_FILE);
850 f = FILE_DEREF (&ref_file);
851 plotter = set_up_device (p, f);
852 (void) pl_textangle_r (plotter, (int) VALUE (&angle));
853 }
854
855 // This part contains names for 24-bit colours recognised by libplot.
856 // The table below is based on the "rgb.txt" file distributed with X11R6.
857
858 const colour_info A68_COLOURS[COLOUR_NAMES + 1] = {
859 {"aliceblue", 0xf0, 0xf8, 0xff},
860 {"aluminium", 0xaa, 0xac, 0xb7},
861 {"aluminum", 0xaa, 0xac, 0xb7},
862 {"antiquewhite", 0xfa, 0xeb, 0xd7},
863 {"antiquewhite1", 0xff, 0xef, 0xdb},
864 {"antiquewhite2", 0xee, 0xdf, 0xcc},
865 {"antiquewhite3", 0xcd, 0xc0, 0xb0},
866 {"antiquewhite4", 0x8b, 0x83, 0x78},
867 {"aquamarine", 0x7f, 0xff, 0xd4},
868 {"aquamarine1", 0x7f, 0xff, 0xd4},
869 {"aquamarine2", 0x76, 0xee, 0xc6},
870 {"aquamarine3", 0x66, 0xcd, 0xaa},
871 {"aquamarine4", 0x45, 0x8b, 0x74},
872 {"azure", 0xf0, 0xff, 0xff},
873 {"azure1", 0xf0, 0xff, 0xff},
874 {"azure2", 0xe0, 0xee, 0xee},
875 {"azure3", 0xc1, 0xcd, 0xcd},
876 {"azure4", 0x83, 0x8b, 0x8b},
877 {"beige", 0xf5, 0xf5, 0xdc},
878 {"bisque", 0xff, 0xe4, 0xc4},
879 {"bisque1", 0xff, 0xe4, 0xc4},
880 {"bisque2", 0xee, 0xd5, 0xb7},
881 {"bisque3", 0xcd, 0xb7, 0x9e},
882 {"bisque4", 0x8b, 0x7d, 0x6b},
883 {"black", 0x00, 0x00, 0x00},
884 {"blanchedalmond", 0xff, 0xeb, 0xcd},
885 {"blue", 0x00, 0x00, 0xff},
886 {"blue1", 0x00, 0x00, 0xff},
887 {"blue2", 0x00, 0x00, 0xee},
888 {"blue3", 0x00, 0x00, 0xcd},
889 {"blue4", 0x00, 0x00, 0x8b},
890 {"blueviolet", 0x8a, 0x2b, 0xe2},
891 {"bondi1", 0x02, 0x48, 0x8f},
892 {"brown", 0xa5, 0x2a, 0x2a},
893 {"brown1", 0xff, 0x40, 0x40},
894 {"brown2", 0xee, 0x3b, 0x3b},
895 {"brown3", 0xcd, 0x33, 0x33},
896 {"brown4", 0x8b, 0x23, 0x23},
897 {"burlywood", 0xde, 0xb8, 0x87},
898 {"burlywood1", 0xff, 0xd3, 0x9b},
899 {"burlywood2", 0xee, 0xc5, 0x91},
900 {"burlywood3", 0xcd, 0xaa, 0x7d},
901 {"burlywood4", 0x8b, 0x73, 0x55},
902 {"cadetblue", 0x5f, 0x9e, 0xa0},
903 {"cadetblue1", 0x98, 0xf5, 0xff},
904 {"cadetblue2", 0x8e, 0xe5, 0xee},
905 {"cadetblue3", 0x7a, 0xc5, 0xcd},
906 {"cadetblue4", 0x53, 0x86, 0x8b},
907 {"chartreuse", 0x7f, 0xff, 0x00},
908 {"chartreuse1", 0x7f, 0xff, 0x00},
909 {"chartreuse2", 0x76, 0xee, 0x00},
910 {"chartreuse3", 0x66, 0xcd, 0x00},
911 {"chartreuse4", 0x45, 0x8b, 0x00},
912 {"chocolate", 0xd2, 0x69, 0x1e},
913 {"chocolate1", 0xff, 0x7f, 0x24},
914 {"chocolate2", 0xee, 0x76, 0x21},
915 {"chocolate3", 0xcd, 0x66, 0x1d},
916 {"chocolate4", 0x8b, 0x45, 0x13},
917 {"coral", 0xff, 0x7f, 0x50},
918 {"coral1", 0xff, 0x72, 0x56},
919 {"coral2", 0xee, 0x6a, 0x50},
920 {"coral3", 0xcd, 0x5b, 0x45},
921 {"coral4", 0x8b, 0x3e, 0x2f},
922 {"cornflowerblue", 0x64, 0x95, 0xed},
923 {"cornsilk", 0xff, 0xf8, 0xdc},
924 {"cornsilk1", 0xff, 0xf8, 0xdc},
925 {"cornsilk2", 0xee, 0xe8, 0xcd},
926 {"cornsilk3", 0xcd, 0xc8, 0xb1},
927 {"cornsilk4", 0x8b, 0x88, 0x78},
928 {"cyan", 0x00, 0xff, 0xff},
929 {"cyan1", 0x00, 0xff, 0xff},
930 {"cyan2", 0x00, 0xee, 0xee},
931 {"cyan3", 0x00, 0xcd, 0xcd},
932 {"cyan4", 0x00, 0x8b, 0x8b},
933 {"darkblue", 0x00, 0x00, 0x8b},
934 {"darkcyan", 0x00, 0x8b, 0x8b},
935 {"darkgoldenrod", 0xb8, 0x86, 0x0b},
936 {"darkgoldenrod1", 0xff, 0xb9, 0x0f},
937 {"darkgoldenrod2", 0xee, 0xad, 0x0e},
938 {"darkgoldenrod3", 0xcd, 0x95, 0x0c},
939 {"darkgoldenrod4", 0x8b, 0x65, 0x08},
940 {"darkgray", 0xa9, 0xa9, 0xa9},
941 {"darkgreen", 0x00, 0x64, 0x00},
942 {"darkgrey", 0xa9, 0xa9, 0xa9},
943 {"darkkhaki", 0xbd, 0xb7, 0x6b},
944 {"darkmagenta", 0x8b, 0x00, 0x8b},
945 {"darkolivegreen", 0x55, 0x6b, 0x2f},
946 {"darkolivegreen1", 0xca, 0xff, 0x70},
947 {"darkolivegreen2", 0xbc, 0xee, 0x68},
948 {"darkolivegreen3", 0xa2, 0xcd, 0x5a},
949 {"darkolivegreen4", 0x6e, 0x8b, 0x3d},
950 {"darkorange", 0xff, 0x8c, 0x00},
951 {"darkorange1", 0xff, 0x7f, 0x00},
952 {"darkorange2", 0xee, 0x76, 0x00},
953 {"darkorange3", 0xcd, 0x66, 0x00},
954 {"darkorange4", 0x8b, 0x45, 0x00},
955 {"darkorchid", 0x99, 0x32, 0xcc},
956 {"darkorchid1", 0xbf, 0x3e, 0xff},
957 {"darkorchid2", 0xb2, 0x3a, 0xee},
958 {"darkorchid3", 0x9a, 0x32, 0xcd},
959 {"darkorchid4", 0x68, 0x22, 0x8b},
960 {"darkred", 0x8b, 0x00, 0x00},
961 {"darksalmon", 0xe9, 0x96, 0x7a},
962 {"darkseagreen", 0x8f, 0xbc, 0x8f},
963 {"darkseagreen1", 0xc1, 0xff, 0xc1},
964 {"darkseagreen2", 0xb4, 0xee, 0xb4},
965 {"darkseagreen3", 0x9b, 0xcd, 0x9b},
966 {"darkseagreen4", 0x69, 0x8b, 0x69},
967 {"darkslateblue", 0x48, 0x3d, 0x8b},
968 {"darkslategray", 0x2f, 0x4f, 0x4f},
969 {"darkslategray1", 0x97, 0xff, 0xff},
970 {"darkslategray2", 0x8d, 0xee, 0xee},
971 {"darkslategray3", 0x79, 0xcd, 0xcd},
972 {"darkslategray4", 0x52, 0x8b, 0x8b},
973 {"darkslategrey", 0x2f, 0x4f, 0x4f},
974 {"darkslategrey1", 0x97, 0xff, 0xff},
975 {"darkslategrey2", 0x8d, 0xee, 0xee},
976 {"darkslategrey3", 0x79, 0xcd, 0xcd},
977 {"darkslategrey4", 0x52, 0x8b, 0x8b},
978 {"darkturquoise", 0x00, 0xce, 0xd1},
979 {"darkviolet", 0x94, 0x00, 0xd3},
980 {"deeppink", 0xff, 0x14, 0x93},
981 {"deeppink1", 0xff, 0x14, 0x93},
982 {"deeppink2", 0xee, 0x12, 0x89},
983 {"deeppink3", 0xcd, 0x10, 0x76},
984 {"deeppink4", 0x8b, 0x0a, 0x50},
985 {"deepskyblue", 0x00, 0xbf, 0xff},
986 {"deepskyblue1", 0x00, 0xbf, 0xff},
987 {"deepskyblue2", 0x00, 0xb2, 0xee},
988 {"deepskyblue3", 0x00, 0x9a, 0xcd},
989 {"deepskyblue4", 0x00, 0x68, 0x8b},
990 {"dimgray", 0x69, 0x69, 0x69},
991 {"dimgrey", 0x69, 0x69, 0x69},
992 {"dodgerblue", 0x1e, 0x90, 0xff},
993 {"dodgerblue1", 0x1e, 0x90, 0xff},
994 {"dodgerblue2", 0x1c, 0x86, 0xee},
995 {"dodgerblue3", 0x18, 0x74, 0xcd},
996 {"dodgerblue4", 0x10, 0x4e, 0x8b},
997 {"firebrick", 0xb2, 0x22, 0x22},
998 {"firebrick1", 0xff, 0x30, 0x30},
999 {"firebrick2", 0xee, 0x2c, 0x2c},
1000 {"firebrick3", 0xcd, 0x26, 0x26},
1001 {"firebrick4", 0x8b, 0x1a, 0x1a},
1002 {"floralwhite", 0xff, 0xfa, 0xf0},
1003 {"forestgreen", 0x22, 0x8b, 0x22},
1004 {"gainsboro", 0xdc, 0xdc, 0xdc},
1005 {"ghostwhite", 0xf8, 0xf8, 0xff},
1006 {"gold", 0xff, 0xd7, 0x00},
1007 {"gold1", 0xff, 0xd7, 0x00},
1008 {"gold2", 0xee, 0xc9, 0x00},
1009 {"gold3", 0xcd, 0xad, 0x00},
1010 {"gold4", 0x8b, 0x75, 0x00},
1011 {"goldenrod", 0xda, 0xa5, 0x20},
1012 {"goldenrod1", 0xff, 0xc1, 0x25},
1013 {"goldenrod2", 0xee, 0xb4, 0x22},
1014 {"goldenrod3", 0xcd, 0x9b, 0x1d},
1015 {"goldenrod4", 0x8b, 0x69, 0x14},
1016 {"gray", 0xbe, 0xbe, 0xbe},
1017 {"gray0", 0x00, 0x00, 0x00},
1018 {"gray1", 0x03, 0x03, 0x03},
1019 {"gray2", 0x05, 0x05, 0x05},
1020 {"gray3", 0x08, 0x08, 0x08},
1021 {"gray4", 0x0a, 0x0a, 0x0a},
1022 {"gray5", 0x0d, 0x0d, 0x0d},
1023 {"gray6", 0x0f, 0x0f, 0x0f},
1024 {"gray7", 0x12, 0x12, 0x12},
1025 {"gray8", 0x14, 0x14, 0x14},
1026 {"gray9", 0x17, 0x17, 0x17},
1027 {"gray10", 0x1a, 0x1a, 0x1a},
1028 {"gray11", 0x1c, 0x1c, 0x1c},
1029 {"gray12", 0x1f, 0x1f, 0x1f},
1030 {"gray13", 0x21, 0x21, 0x21},
1031 {"gray14", 0x24, 0x24, 0x24},
1032 {"gray15", 0x26, 0x26, 0x26},
1033 {"gray16", 0x29, 0x29, 0x29},
1034 {"gray17", 0x2b, 0x2b, 0x2b},
1035 {"gray18", 0x2e, 0x2e, 0x2e},
1036 {"gray19", 0x30, 0x30, 0x30},
1037 {"gray20", 0x33, 0x33, 0x33},
1038 {"gray21", 0x36, 0x36, 0x36},
1039 {"gray22", 0x38, 0x38, 0x38},
1040 {"gray23", 0x3b, 0x3b, 0x3b},
1041 {"gray24", 0x3d, 0x3d, 0x3d},
1042 {"gray25", 0x40, 0x40, 0x40},
1043 {"gray26", 0x42, 0x42, 0x42},
1044 {"gray27", 0x45, 0x45, 0x45},
1045 {"gray28", 0x47, 0x47, 0x47},
1046 {"gray29", 0x4a, 0x4a, 0x4a},
1047 {"gray30", 0x4d, 0x4d, 0x4d},
1048 {"gray31", 0x4f, 0x4f, 0x4f},
1049 {"gray32", 0x52, 0x52, 0x52},
1050 {"gray33", 0x54, 0x54, 0x54},
1051 {"gray34", 0x57, 0x57, 0x57},
1052 {"gray35", 0x59, 0x59, 0x59},
1053 {"gray36", 0x5c, 0x5c, 0x5c},
1054 {"gray37", 0x5e, 0x5e, 0x5e},
1055 {"gray38", 0x61, 0x61, 0x61},
1056 {"gray39", 0x63, 0x63, 0x63},
1057 {"gray40", 0x66, 0x66, 0x66},
1058 {"gray41", 0x69, 0x69, 0x69},
1059 {"gray42", 0x6b, 0x6b, 0x6b},
1060 {"gray43", 0x6e, 0x6e, 0x6e},
1061 {"gray44", 0x70, 0x70, 0x70},
1062 {"gray45", 0x73, 0x73, 0x73},
1063 {"gray46", 0x75, 0x75, 0x75},
1064 {"gray47", 0x78, 0x78, 0x78},
1065 {"gray48", 0x7a, 0x7a, 0x7a},
1066 {"gray49", 0x7d, 0x7d, 0x7d},
1067 {"gray50", 0x7f, 0x7f, 0x7f},
1068 {"gray51", 0x82, 0x82, 0x82},
1069 {"gray52", 0x85, 0x85, 0x85},
1070 {"gray53", 0x87, 0x87, 0x87},
1071 {"gray54", 0x8a, 0x8a, 0x8a},
1072 {"gray55", 0x8c, 0x8c, 0x8c},
1073 {"gray56", 0x8f, 0x8f, 0x8f},
1074 {"gray57", 0x91, 0x91, 0x91},
1075 {"gray58", 0x94, 0x94, 0x94},
1076 {"gray59", 0x96, 0x96, 0x96},
1077 {"gray60", 0x99, 0x99, 0x99},
1078 {"gray61", 0x9c, 0x9c, 0x9c},
1079 {"gray62", 0x9e, 0x9e, 0x9e},
1080 {"gray63", 0xa1, 0xa1, 0xa1},
1081 {"gray64", 0xa3, 0xa3, 0xa3},
1082 {"gray65", 0xa6, 0xa6, 0xa6},
1083 {"gray66", 0xa8, 0xa8, 0xa8},
1084 {"gray67", 0xab, 0xab, 0xab},
1085 {"gray68", 0xad, 0xad, 0xad},
1086 {"gray69", 0xb0, 0xb0, 0xb0},
1087 {"gray70", 0xb3, 0xb3, 0xb3},
1088 {"gray71", 0xb5, 0xb5, 0xb5},
1089 {"gray72", 0xb8, 0xb8, 0xb8},
1090 {"gray73", 0xba, 0xba, 0xba},
1091 {"gray74", 0xbd, 0xbd, 0xbd},
1092 {"gray75", 0xbf, 0xbf, 0xbf},
1093 {"gray76", 0xc2, 0xc2, 0xc2},
1094 {"gray77", 0xc4, 0xc4, 0xc4},
1095 {"gray78", 0xc7, 0xc7, 0xc7},
1096 {"gray79", 0xc9, 0xc9, 0xc9},
1097 {"gray80", 0xcc, 0xcc, 0xcc},
1098 {"gray81", 0xcf, 0xcf, 0xcf},
1099 {"gray82", 0xd1, 0xd1, 0xd1},
1100 {"gray83", 0xd4, 0xd4, 0xd4},
1101 {"gray84", 0xd6, 0xd6, 0xd6},
1102 {"gray85", 0xd9, 0xd9, 0xd9},
1103 {"gray86", 0xdb, 0xdb, 0xdb},
1104 {"gray87", 0xde, 0xde, 0xde},
1105 {"gray88", 0xe0, 0xe0, 0xe0},
1106 {"gray89", 0xe3, 0xe3, 0xe3},
1107 {"gray90", 0xe5, 0xe5, 0xe5},
1108 {"gray91", 0xe8, 0xe8, 0xe8},
1109 {"gray92", 0xeb, 0xeb, 0xeb},
1110 {"gray93", 0xed, 0xed, 0xed},
1111 {"gray94", 0xf0, 0xf0, 0xf0},
1112 {"gray95", 0xf2, 0xf2, 0xf2},
1113 {"gray96", 0xf5, 0xf5, 0xf5},
1114 {"gray97", 0xf7, 0xf7, 0xf7},
1115 {"gray98", 0xfa, 0xfa, 0xfa},
1116 {"gray99", 0xfc, 0xfc, 0xfc},
1117 {"gray100", 0xff, 0xff, 0xff},
1118 {"green", 0x00, 0xff, 0x00},
1119 {"green1", 0x00, 0xff, 0x00},
1120 {"green2", 0x00, 0xee, 0x00},
1121 {"green3", 0x00, 0xcd, 0x00},
1122 {"green4", 0x00, 0x8b, 0x00},
1123 {"greenyellow", 0xad, 0xff, 0x2f},
1124 {"grey", 0xbe, 0xbe, 0xbe},
1125 {"grey0", 0x00, 0x00, 0x00},
1126 {"grey1", 0x03, 0x03, 0x03},
1127 {"grey2", 0x05, 0x05, 0x05},
1128 {"grey3", 0x08, 0x08, 0x08},
1129 {"grey4", 0x0a, 0x0a, 0x0a},
1130 {"grey5", 0x0d, 0x0d, 0x0d},
1131 {"grey6", 0x0f, 0x0f, 0x0f},
1132 {"grey7", 0x12, 0x12, 0x12},
1133 {"grey8", 0x14, 0x14, 0x14},
1134 {"grey9", 0x17, 0x17, 0x17},
1135 {"grey10", 0x1a, 0x1a, 0x1a},
1136 {"grey11", 0x1c, 0x1c, 0x1c},
1137 {"grey12", 0x1f, 0x1f, 0x1f},
1138 {"grey13", 0x21, 0x21, 0x21},
1139 {"grey14", 0x24, 0x24, 0x24},
1140 {"grey15", 0x26, 0x26, 0x26},
1141 {"grey16", 0x29, 0x29, 0x29},
1142 {"grey17", 0x2b, 0x2b, 0x2b},
1143 {"grey18", 0x2e, 0x2e, 0x2e},
1144 {"grey19", 0x30, 0x30, 0x30},
1145 {"grey20", 0x33, 0x33, 0x33},
1146 {"grey21", 0x36, 0x36, 0x36},
1147 {"grey22", 0x38, 0x38, 0x38},
1148 {"grey23", 0x3b, 0x3b, 0x3b},
1149 {"grey24", 0x3d, 0x3d, 0x3d},
1150 {"grey25", 0x40, 0x40, 0x40},
1151 {"grey26", 0x42, 0x42, 0x42},
1152 {"grey27", 0x45, 0x45, 0x45},
1153 {"grey28", 0x47, 0x47, 0x47},
1154 {"grey29", 0x4a, 0x4a, 0x4a},
1155 {"grey30", 0x4d, 0x4d, 0x4d},
1156 {"grey31", 0x4f, 0x4f, 0x4f},
1157 {"grey32", 0x52, 0x52, 0x52},
1158 {"grey33", 0x54, 0x54, 0x54},
1159 {"grey34", 0x57, 0x57, 0x57},
1160 {"grey35", 0x59, 0x59, 0x59},
1161 {"grey36", 0x5c, 0x5c, 0x5c},
1162 {"grey37", 0x5e, 0x5e, 0x5e},
1163 {"grey38", 0x61, 0x61, 0x61},
1164 {"grey39", 0x63, 0x63, 0x63},
1165 {"grey40", 0x66, 0x66, 0x66},
1166 {"grey41", 0x69, 0x69, 0x69},
1167 {"grey42", 0x6b, 0x6b, 0x6b},
1168 {"grey43", 0x6e, 0x6e, 0x6e},
1169 {"grey44", 0x70, 0x70, 0x70},
1170 {"grey45", 0x73, 0x73, 0x73},
1171 {"grey46", 0x75, 0x75, 0x75},
1172 {"grey47", 0x78, 0x78, 0x78},
1173 {"grey48", 0x7a, 0x7a, 0x7a},
1174 {"grey49", 0x7d, 0x7d, 0x7d},
1175 {"grey50", 0x7f, 0x7f, 0x7f},
1176 {"grey51", 0x82, 0x82, 0x82},
1177 {"grey52", 0x85, 0x85, 0x85},
1178 {"grey53", 0x87, 0x87, 0x87},
1179 {"grey54", 0x8a, 0x8a, 0x8a},
1180 {"grey55", 0x8c, 0x8c, 0x8c},
1181 {"grey56", 0x8f, 0x8f, 0x8f},
1182 {"grey57", 0x91, 0x91, 0x91},
1183 {"grey58", 0x94, 0x94, 0x94},
1184 {"grey59", 0x96, 0x96, 0x96},
1185 {"grey60", 0x99, 0x99, 0x99},
1186 {"grey61", 0x9c, 0x9c, 0x9c},
1187 {"grey62", 0x9e, 0x9e, 0x9e},
1188 {"grey63", 0xa1, 0xa1, 0xa1},
1189 {"grey64", 0xa3, 0xa3, 0xa3},
1190 {"grey65", 0xa6, 0xa6, 0xa6},
1191 {"grey66", 0xa8, 0xa8, 0xa8},
1192 {"grey67", 0xab, 0xab, 0xab},
1193 {"grey68", 0xad, 0xad, 0xad},
1194 {"grey69", 0xb0, 0xb0, 0xb0},
1195 {"grey70", 0xb3, 0xb3, 0xb3},
1196 {"grey71", 0xb5, 0xb5, 0xb5},
1197 {"grey72", 0xb8, 0xb8, 0xb8},
1198 {"grey73", 0xba, 0xba, 0xba},
1199 {"grey74", 0xbd, 0xbd, 0xbd},
1200 {"grey75", 0xbf, 0xbf, 0xbf},
1201 {"grey76", 0xc2, 0xc2, 0xc2},
1202 {"grey77", 0xc4, 0xc4, 0xc4},
1203 {"grey78", 0xc7, 0xc7, 0xc7},
1204 {"grey79", 0xc9, 0xc9, 0xc9},
1205 {"grey80", 0xcc, 0xcc, 0xcc},
1206 {"grey81", 0xcf, 0xcf, 0xcf},
1207 {"grey82", 0xd1, 0xd1, 0xd1},
1208 {"grey83", 0xd4, 0xd4, 0xd4},
1209 {"grey84", 0xd6, 0xd6, 0xd6},
1210 {"grey85", 0xd9, 0xd9, 0xd9},
1211 {"grey86", 0xdb, 0xdb, 0xdb},
1212 {"grey87", 0xde, 0xde, 0xde},
1213 {"grey88", 0xe0, 0xe0, 0xe0},
1214 {"grey89", 0xe3, 0xe3, 0xe3},
1215 {"grey90", 0xe5, 0xe5, 0xe5},
1216 {"grey91", 0xe8, 0xe8, 0xe8},
1217 {"grey92", 0xeb, 0xeb, 0xeb},
1218 {"grey93", 0xed, 0xed, 0xed},
1219 {"grey94", 0xf0, 0xf0, 0xf0},
1220 {"grey95", 0xf2, 0xf2, 0xf2},
1221 {"grey96", 0xf5, 0xf5, 0xf5},
1222 {"grey97", 0xf7, 0xf7, 0xf7},
1223 {"grey98", 0xfa, 0xfa, 0xfa},
1224 {"grey99", 0xfc, 0xfc, 0xfc},
1225 {"grey100", 0xff, 0xff, 0xff},
1226 {"honeydew", 0xf0, 0xff, 0xf0},
1227 {"honeydew1", 0xf0, 0xff, 0xf0},
1228 {"honeydew2", 0xe0, 0xee, 0xe0},
1229 {"honeydew3", 0xc1, 0xcd, 0xc1},
1230 {"honeydew4", 0x83, 0x8b, 0x83},
1231 {"hotpink", 0xff, 0x69, 0xb4},
1232 {"hotpink1", 0xff, 0x6e, 0xb4},
1233 {"hotpink2", 0xee, 0x6a, 0xa7},
1234 {"hotpink3", 0xcd, 0x60, 0x90},
1235 {"hotpink4", 0x8b, 0x3a, 0x62},
1236 {"indianred", 0xcd, 0x5c, 0x5c},
1237 {"indianred1", 0xff, 0x6a, 0x6a},
1238 {"indianred2", 0xee, 0x63, 0x63},
1239 {"indianred3", 0xcd, 0x55, 0x55},
1240 {"indianred4", 0x8b, 0x3a, 0x3a},
1241 {"ivory", 0xff, 0xff, 0xf0},
1242 {"ivory1", 0xff, 0xff, 0xf0},
1243 {"ivory2", 0xee, 0xee, 0xe0},
1244 {"ivory3", 0xcd, 0xcd, 0xc1},
1245 {"ivory4", 0x8b, 0x8b, 0x83},
1246 {"khaki", 0xf0, 0xe6, 0x8c},
1247 {"khaki1", 0xff, 0xf6, 0x8f},
1248 {"khaki2", 0xee, 0xe6, 0x85},
1249 {"khaki3", 0xcd, 0xc6, 0x73},
1250 {"khaki4", 0x8b, 0x86, 0x4e},
1251 {"lavender", 0xe6, 0xe6, 0xfa},
1252 {"lavenderblush", 0xff, 0xf0, 0xf5},
1253 {"lavenderblush1", 0xff, 0xf0, 0xf5},
1254 {"lavenderblush2", 0xee, 0xe0, 0xe5},
1255 {"lavenderblush3", 0xcd, 0xc1, 0xc5},
1256 {"lavenderblush4", 0x8b, 0x83, 0x86},
1257 {"lawngreen", 0x7c, 0xfc, 0x00},
1258 {"lemonchiffon", 0xff, 0xfa, 0xcd},
1259 {"lemonchiffon1", 0xff, 0xfa, 0xcd},
1260 {"lemonchiffon2", 0xee, 0xe9, 0xbf},
1261 {"lemonchiffon3", 0xcd, 0xc9, 0xa5},
1262 {"lemonchiffon4", 0x8b, 0x89, 0x70},
1263 {"lightblue", 0xad, 0xd8, 0xe6},
1264 {"lightblue1", 0xbf, 0xef, 0xff},
1265 {"lightblue2", 0xb2, 0xdf, 0xee},
1266 {"lightblue3", 0x9a, 0xc0, 0xcd},
1267 {"lightblue4", 0x68, 0x83, 0x8b},
1268 {"lightcoral", 0xf0, 0x80, 0x80},
1269 {"lightcyan", 0xe0, 0xff, 0xff},
1270 {"lightcyan1", 0xe0, 0xff, 0xff},
1271 {"lightcyan2", 0xd1, 0xee, 0xee},
1272 {"lightcyan3", 0xb4, 0xcd, 0xcd},
1273 {"lightcyan4", 0x7a, 0x8b, 0x8b},
1274 {"lightgoldenrod", 0xee, 0xdd, 0x82},
1275 {"lightgoldenrod1", 0xff, 0xec, 0x8b},
1276 {"lightgoldenrod2", 0xee, 0xdc, 0x82},
1277 {"lightgoldenrod3", 0xcd, 0xbe, 0x70},
1278 {"lightgoldenrod4", 0x8b, 0x81, 0x4c},
1279 {"lightgoldenrodyellow", 0xfa, 0xfa, 0xd2},
1280 {"lightgray", 0xd3, 0xd3, 0xd3},
1281 {"lightgreen", 0x90, 0xee, 0x90},
1282 {"lightgrey", 0xd3, 0xd3, 0xd3},
1283 {"lightpink", 0xff, 0xb6, 0xc1},
1284 {"lightpink1", 0xff, 0xae, 0xb9},
1285 {"lightpink2", 0xee, 0xa2, 0xad},
1286 {"lightpink3", 0xcd, 0x8c, 0x95},
1287 {"lightpink4", 0x8b, 0x5f, 0x65},
1288 {"lightsalmon", 0xff, 0xa0, 0x7a},
1289 {"lightsalmon1", 0xff, 0xa0, 0x7a},
1290 {"lightsalmon2", 0xee, 0x95, 0x72},
1291 {"lightsalmon3", 0xcd, 0x81, 0x62},
1292 {"lightsalmon4", 0x8b, 0x57, 0x42},
1293 {"lightseagreen", 0x20, 0xb2, 0xaa},
1294 {"lightskyblue", 0x87, 0xce, 0xfa},
1295 {"lightskyblue1", 0xb0, 0xe2, 0xff},
1296 {"lightskyblue2", 0xa4, 0xd3, 0xee},
1297 {"lightskyblue3", 0x8d, 0xb6, 0xcd},
1298 {"lightskyblue4", 0x60, 0x7b, 0x8b},
1299 {"lightslateblue", 0x84, 0x70, 0xff},
1300 {"lightslategray", 0x77, 0x88, 0x99},
1301 {"lightslategrey", 0x77, 0x88, 0x99},
1302 {"lightsteelblue", 0xb0, 0xc4, 0xde},
1303 {"lightsteelblue1", 0xca, 0xe1, 0xff},
1304 {"lightsteelblue2", 0xbc, 0xd2, 0xee},
1305 {"lightsteelblue3", 0xa2, 0xb5, 0xcd},
1306 {"lightsteelblue4", 0x6e, 0x7b, 0x8b},
1307 {"lightyellow", 0xff, 0xff, 0xe0},
1308 {"lightyellow1", 0xff, 0xff, 0xe0},
1309 {"lightyellow2", 0xee, 0xee, 0xd1},
1310 {"lightyellow3", 0xcd, 0xcd, 0xb4},
1311 {"lightyellow4", 0x8b, 0x8b, 0x7a},
1312 {"limegreen", 0x32, 0xcd, 0x32},
1313 {"linen", 0xfa, 0xf0, 0xe6},
1314 {"magenta", 0xff, 0x00, 0xff},
1315 {"magenta1", 0xff, 0x00, 0xff},
1316 {"magenta2", 0xee, 0x00, 0xee},
1317 {"magenta3", 0xcd, 0x00, 0xcd},
1318 {"magenta4", 0x8b, 0x00, 0x8b},
1319 {"maroon", 0xb0, 0x30, 0x60},
1320 {"maroon1", 0xff, 0x34, 0xb3},
1321 {"maroon2", 0xee, 0x30, 0xa7},
1322 {"maroon3", 0xcd, 0x29, 0x90},
1323 {"maroon4", 0x8b, 0x1c, 0x62},
1324 {"mediumaquamarine", 0x66, 0xcd, 0xaa},
1325 {"mediumblue", 0x00, 0x00, 0xcd},
1326 {"mediumorchid", 0xba, 0x55, 0xd3},
1327 {"mediumorchid1", 0xe0, 0x66, 0xff},
1328 {"mediumorchid2", 0xd1, 0x5f, 0xee},
1329 {"mediumorchid3", 0xb4, 0x52, 0xcd},
1330 {"mediumorchid4", 0x7a, 0x37, 0x8b},
1331 {"mediumpurple", 0x93, 0x70, 0xdb},
1332 {"mediumpurple1", 0xab, 0x82, 0xff},
1333 {"mediumpurple2", 0x9f, 0x79, 0xee},
1334 {"mediumpurple3", 0x89, 0x68, 0xcd},
1335 {"mediumpurple4", 0x5d, 0x47, 0x8b},
1336 {"mediumseagreen", 0x3c, 0xb3, 0x71},
1337 {"mediumslateblue", 0x7b, 0x68, 0xee},
1338 {"mediumspringgreen", 0x00, 0xfa, 0x9a},
1339 {"mediumturquoise", 0x48, 0xd1, 0xcc},
1340 {"mediumvioletred", 0xc7, 0x15, 0x85},
1341 {"midnightblue", 0x19, 0x19, 0x70},
1342 {"mintcream", 0xf5, 0xff, 0xfa},
1343 {"mistyrose", 0xff, 0xe4, 0xe1},
1344 {"mistyrose1", 0xff, 0xe4, 0xe1},
1345 {"mistyrose2", 0xee, 0xd5, 0xd2},
1346 {"mistyrose3", 0xcd, 0xb7, 0xb5},
1347 {"mistyrose4", 0x8b, 0x7d, 0x7b},
1348 {"moccasin", 0xff, 0xe4, 0xb5},
1349 {"navajowhite", 0xff, 0xde, 0xad},
1350 {"navajowhite1", 0xff, 0xde, 0xad},
1351 {"navajowhite2", 0xee, 0xcf, 0xa1},
1352 {"navajowhite3", 0xcd, 0xb3, 0x8b},
1353 {"navajowhite4", 0x8b, 0x79, 0x5e},
1354 {"navy", 0x00, 0x00, 0x80},
1355 {"navyblue", 0x00, 0x00, 0x80},
1356 {"oldlace", 0xfd, 0xf5, 0xe6},
1357 {"olivedrab", 0x6b, 0x8e, 0x23},
1358 {"olivedrab1", 0xc0, 0xff, 0x3e},
1359 {"olivedrab2", 0xb3, 0xee, 0x3a},
1360 {"olivedrab3", 0x9a, 0xcd, 0x32},
1361 {"olivedrab4", 0x69, 0x8b, 0x22},
1362 {"orange", 0xff, 0xa5, 0x00},
1363 {"orange1", 0xff, 0xa5, 0x00},
1364 {"orange2", 0xee, 0x9a, 0x00},
1365 {"orange3", 0xcd, 0x85, 0x00},
1366 {"orange4", 0x8b, 0x5a, 0x00},
1367 {"orangered", 0xff, 0x45, 0x00},
1368 {"orangered1", 0xff, 0x45, 0x00},
1369 {"orangered2", 0xee, 0x40, 0x00},
1370 {"orangered3", 0xcd, 0x37, 0x00},
1371 {"orangered4", 0x8b, 0x25, 0x00},
1372 {"orchid", 0xda, 0x70, 0xd6},
1373 {"orchid1", 0xff, 0x83, 0xfa},
1374 {"orchid2", 0xee, 0x7a, 0xe9},
1375 {"orchid3", 0xcd, 0x69, 0xc9},
1376 {"orchid4", 0x8b, 0x47, 0x89},
1377 {"palegoldenrod", 0xee, 0xe8, 0xaa},
1378 {"palegreen", 0x98, 0xfb, 0x98},
1379 {"palegreen1", 0x9a, 0xff, 0x9a},
1380 {"palegreen2", 0x90, 0xee, 0x90},
1381 {"palegreen3", 0x7c, 0xcd, 0x7c},
1382 {"palegreen4", 0x54, 0x8b, 0x54},
1383 {"paleturquoise", 0xaf, 0xee, 0xee},
1384 {"paleturquoise1", 0xbb, 0xff, 0xff},
1385 {"paleturquoise2", 0xae, 0xee, 0xee},
1386 {"paleturquoise3", 0x96, 0xcd, 0xcd},
1387 {"paleturquoise4", 0x66, 0x8b, 0x8b},
1388 {"palevioletred", 0xdb, 0x70, 0x93},
1389 {"palevioletred1", 0xff, 0x82, 0xab},
1390 {"palevioletred2", 0xee, 0x79, 0x9f},
1391 {"palevioletred3", 0xcd, 0x68, 0x89},
1392 {"palevioletred4", 0x8b, 0x47, 0x5d},
1393 {"papayawhip", 0xff, 0xef, 0xd5},
1394 {"peachpuff", 0xff, 0xda, 0xb9},
1395 {"peachpuff1", 0xff, 0xda, 0xb9},
1396 {"peachpuff2", 0xee, 0xcb, 0xad},
1397 {"peachpuff3", 0xcd, 0xaf, 0x95},
1398 {"peachpuff4", 0x8b, 0x77, 0x65},
1399 {"peru", 0xcd, 0x85, 0x3f},
1400 {"pink", 0xff, 0xc0, 0xcb},
1401 {"pink1", 0xff, 0xb5, 0xc5},
1402 {"pink2", 0xee, 0xa9, 0xb8},
1403 {"pink3", 0xcd, 0x91, 0x9e},
1404 {"pink4", 0x8b, 0x63, 0x6c},
1405 {"plum", 0xdd, 0xa0, 0xdd},
1406 {"plum1", 0xff, 0xbb, 0xff},
1407 {"plum2", 0xee, 0xae, 0xee},
1408 {"plum3", 0xcd, 0x96, 0xcd},
1409 {"plum4", 0x8b, 0x66, 0x8b},
1410 {"powderblue", 0xb0, 0xe0, 0xe6},
1411 {"purple", 0xa0, 0x20, 0xf0},
1412 {"purple1", 0x9b, 0x30, 0xff},
1413 {"purple2", 0x91, 0x2c, 0xee},
1414 {"purple3", 0x7d, 0x26, 0xcd},
1415 {"purple4", 0x55, 0x1a, 0x8b},
1416 {"red", 0xff, 0x00, 0x00},
1417 {"red1", 0xff, 0x00, 0x00},
1418 {"red2", 0xee, 0x00, 0x00},
1419 {"red3", 0xcd, 0x00, 0x00},
1420 {"red4", 0x8b, 0x00, 0x00},
1421 {"rosybrown", 0xbc, 0x8f, 0x8f},
1422 {"rosybrown1", 0xff, 0xc1, 0xc1},
1423 {"rosybrown2", 0xee, 0xb4, 0xb4},
1424 {"rosybrown3", 0xcd, 0x9b, 0x9b},
1425 {"rosybrown4", 0x8b, 0x69, 0x69},
1426 {"royalblue", 0x41, 0x69, 0xe1},
1427 {"royalblue1", 0x48, 0x76, 0xff},
1428 {"royalblue2", 0x43, 0x6e, 0xee},
1429 {"royalblue3", 0x3a, 0x5f, 0xcd},
1430 {"royalblue4", 0x27, 0x40, 0x8b},
1431 {"saddlebrown", 0x8b, 0x45, 0x13},
1432 {"salmon", 0xfa, 0x80, 0x72},
1433 {"salmon1", 0xff, 0x8c, 0x69},
1434 {"salmon2", 0xee, 0x82, 0x62},
1435 {"salmon3", 0xcd, 0x70, 0x54},
1436 {"salmon4", 0x8b, 0x4c, 0x39},
1437 {"sandybrown", 0xf4, 0xa4, 0x60},
1438 {"seagreen", 0x2e, 0x8b, 0x57},
1439 {"seagreen1", 0x54, 0xff, 0x9f},
1440 {"seagreen2", 0x4e, 0xee, 0x94},
1441 {"seagreen3", 0x43, 0xcd, 0x80},
1442 {"seagreen4", 0x2e, 0x8b, 0x57},
1443 {"seashell", 0xff, 0xf5, 0xee},
1444 {"seashell1", 0xff, 0xf5, 0xee},
1445 {"seashell2", 0xee, 0xe5, 0xde},
1446 {"seashell3", 0xcd, 0xc5, 0xbf},
1447 {"seashell4", 0x8b, 0x86, 0x82},
1448 {"sienna", 0xa0, 0x52, 0x2d},
1449 {"sienna1", 0xff, 0x82, 0x47},
1450 {"sienna2", 0xee, 0x79, 0x42},
1451 {"sienna3", 0xcd, 0x68, 0x39},
1452 {"sienna4", 0x8b, 0x47, 0x26},
1453 {"skyblue", 0x87, 0xce, 0xeb},
1454 {"skyblue1", 0x87, 0xce, 0xff},
1455 {"skyblue2", 0x7e, 0xc0, 0xee},
1456 {"skyblue3", 0x6c, 0xa6, 0xcd},
1457 {"skyblue4", 0x4a, 0x70, 0x8b},
1458 {"slateblue", 0x6a, 0x5a, 0xcd},
1459 {"slateblue1", 0x83, 0x6f, 0xff},
1460 {"slateblue2", 0x7a, 0x67, 0xee},
1461 {"slateblue3", 0x69, 0x59, 0xcd},
1462 {"slateblue4", 0x47, 0x3c, 0x8b},
1463 {"slategray", 0x70, 0x80, 0x90},
1464 {"slategray1", 0xc6, 0xe2, 0xff},
1465 {"slategray2", 0xb9, 0xd3, 0xee},
1466 {"slategray3", 0x9f, 0xb6, 0xcd},
1467 {"slategray4", 0x6c, 0x7b, 0x8b},
1468 {"slategrey", 0x70, 0x80, 0x90},
1469 {"slategrey1", 0xc6, 0xe2, 0xff},
1470 {"slategrey2", 0xb9, 0xd3, 0xee},
1471 {"slategrey3", 0x9f, 0xb6, 0xcd},
1472 {"slategrey4", 0x6c, 0x7b, 0x8b},
1473 {"snow", 0xff, 0xfa, 0xfa},
1474 {"snow1", 0xff, 0xfa, 0xfa},
1475 {"snow2", 0xee, 0xe9, 0xe9},
1476 {"snow3", 0xcd, 0xc9, 0xc9},
1477 {"snow4", 0x8b, 0x89, 0x89},
1478 {"springgreen", 0x00, 0xff, 0x7f},
1479 {"springgreen1", 0x00, 0xff, 0x7f},
1480 {"springgreen2", 0x00, 0xee, 0x76},
1481 {"springgreen3", 0x00, 0xcd, 0x66},
1482 {"springgreen4", 0x00, 0x8b, 0x45},
1483 {"steelblue", 0x46, 0x82, 0xb4},
1484 {"steelblue1", 0x63, 0xb8, 0xff},
1485 {"steelblue2", 0x5c, 0xac, 0xee},
1486 {"steelblue3", 0x4f, 0x94, 0xcd},
1487 {"steelblue4", 0x36, 0x64, 0x8b},
1488 {"tan", 0xd2, 0xb4, 0x8c},
1489 {"tan1", 0xff, 0xa5, 0x4f},
1490 {"tan2", 0xee, 0x9a, 0x49},
1491 {"tan3", 0xcd, 0x85, 0x3f},
1492 {"tan4", 0x8b, 0x5a, 0x2b},
1493 {"thistle", 0xd8, 0xbf, 0xd8},
1494 {"thistle1", 0xff, 0xe1, 0xff},
1495 {"thistle2", 0xee, 0xd2, 0xee},
1496 {"thistle3", 0xcd, 0xb5, 0xcd},
1497 {"thistle4", 0x8b, 0x7b, 0x8b},
1498 {"tomato", 0xff, 0x63, 0x47},
1499 {"tomato1", 0xff, 0x63, 0x47},
1500 {"tomato2", 0xee, 0x5c, 0x42},
1501 {"tomato3", 0xcd, 0x4f, 0x39},
1502 {"tomato4", 0x8b, 0x36, 0x26},
1503 {"turquoise", 0x40, 0xe0, 0xd0},
1504 {"turquoise1", 0x00, 0xf5, 0xff},
1505 {"turquoise2", 0x00, 0xe5, 0xee},
1506 {"turquoise3", 0x00, 0xc5, 0xcd},
1507 {"turquoise4", 0x00, 0x86, 0x8b},
1508 {"violet", 0xee, 0x82, 0xee},
1509 {"violetred", 0xd0, 0x20, 0x90},
1510 {"violetred1", 0xff, 0x3e, 0x96},
1511 {"violetred2", 0xee, 0x3a, 0x8c},
1512 {"violetred3", 0xcd, 0x32, 0x78},
1513 {"violetred4", 0x8b, 0x22, 0x52},
1514 {"wheat", 0xf5, 0xde, 0xb3},
1515 {"wheat1", 0xff, 0xe7, 0xba},
1516 {"wheat2", 0xee, 0xd8, 0xae},
1517 {"wheat3", 0xcd, 0xba, 0x96},
1518 {"wheat4", 0x8b, 0x7e, 0x66},
1519 {"white", 0xff, 0xff, 0xff},
1520 {"whitesmoke", 0xf5, 0xf5, 0xf5},
1521 {"yellow", 0xff, 0xff, 0x00},
1522 {"yellow1", 0xff, 0xff, 0x00},
1523 {"yellow2", 0xee, 0xee, 0x00},
1524 {"yellow3", 0xcd, 0xcd, 0x00},
1525 {"yellow4", 0x8b, 0x8b, 0x00},
1526 {"yellowgreen", 0x9a, 0xcd, 0x32},
1527 {NO_TEXT, 0, 0, 0}
1528 };
1529
1530 //! @brief Searches colour in the list.
1531
1532 BOOL_T string_to_colour (NODE_T * p, char *name, int *pos)
1533 {
1534 A68_REF z_ref = heap_generator (p, M_C_STRING, (int) (1 + strlen (name)));
1535 char *z = DEREF (char, &z_ref);
1536 // First remove formatting from name: spaces and capitals are irrelevant.
1537 int j = 0;
1538 for (int i = 0; name[i] != NULL_CHAR; i++) {
1539 if (name[i] != BLANK_CHAR) {
1540 z[j++] = (char) TO_LOWER (name[i]);
1541 }
1542 z[j] = NULL_CHAR;
1543 }
1544 // Now search with the famous British Library Method.
1545 for (int i = 0; i < COLOUR_NAMES; i++) {
1546 if (!strcmp (NAME (&A68_COLOURS[i]), z)) {
1547 *pos = i;
1548 return A68_TRUE;
1549 }
1550 }
1551 return A68_FALSE;
1552 }
1553
1554 #endif
