Commit | Line | Data |
---|---|---|
fa32567f DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
9b0a4950 KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
a399f6c8 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
fa32567f DF |
16 | */ |
17 | ||
c936af6c | 18 | #ifndef lint |
9b0a4950 KB |
19 | char copyright[] = |
20 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ | |
21 | All rights reserved.\n"; | |
22 | #endif /* not lint */ | |
23 | ||
24 | #ifndef lint | |
a399f6c8 | 25 | static char sccsid[] = "@(#)rvcat.c 5.4 (Berkeley) %G%"; |
9b0a4950 | 26 | #endif /* not lint */ |
c936af6c | 27 | |
d87898db RC |
28 | /* |
29 | * Cat Simulator for Versatec and Varian | |
30 | * Modified for Varian with rotated fonts: wnj 5/30/80. | |
31 | * | |
32 | * Takes two extra special codes defined by rvsort: | |
33 | * 0115 - break for new page, goto (0,0) | |
34 | * 0116 - lead 64* following byte | |
35 | */ | |
36 | ||
5af70e5e RC |
37 | #include <stdio.h> |
38 | #include <sys/vcmd.h> | |
39 | #include <vfont.h> | |
d87898db | 40 | |
dfc1084e RC |
41 | int prtmode[] = {VPRINT}; |
42 | int pltmode[] = {VPLOT}; | |
d87898db RC |
43 | |
44 | #define DISPATCHSIZE 256 /* must be a power of two */ | |
45 | #define CHARMASK (DISPATCHSIZE-1) | |
46 | #define NFONTS 25 | |
47 | #define SPECIALFONT 3 | |
48 | #define DSIZ ((sizeof *dispatch)*DISPATCHSIZE) | |
49 | #define MAXF 4 | |
50 | ||
51 | #define LOCAL_RAILMAG ".railmag" | |
52 | #define GLOBAL_RAILMAG "/usr/lib/vfont/railmag" | |
53 | ||
54 | /* | |
55 | * Here we make up for the fact that we only have 2112 | |
56 | * bits vertically when we need 2200 (11''*200/in), by | |
57 | * a 4% vertical size squashing. | |
58 | */ | |
59 | #define CONVERT(n) ((n*(200./432.))*(2112./2200.)) | |
60 | #define RECONVERT(n) ((n*(432./200.))*(2200./2112.)) | |
61 | ||
d87898db | 62 | #define NLINES 110 |
d87898db RC |
63 | |
64 | #define FF_LINES 1600 /* Scan lines to output before formfeeding. */ | |
d87898db RC |
65 | |
66 | #define min(a,b) (a<b ? a : b) | |
67 | ||
46e69590 RC |
68 | char buffer[NLINES * 264]; /* Big enough for varain */ |
69 | char *buf0p = &buffer[0]; /* Zero origin in circular buffer */ | |
d87898db RC |
70 | |
71 | char *calloc(); | |
72 | char *nalloc(); | |
73 | char *allpanic(); | |
74 | ||
75 | struct header header; | |
76 | struct dispatch *dispatch; | |
77 | ||
78 | struct fontdes { | |
79 | int fnum; | |
80 | int psize; | |
81 | struct dispatch *disp; | |
82 | char *bits; | |
83 | } fontdes[NFONTS] = { | |
84 | -1, | |
85 | -1 | |
86 | }; | |
87 | ||
88 | struct point_sizes { | |
89 | int stupid_code; | |
90 | int real_code; | |
91 | } point_sizes[] = { | |
92 | 010, 6, | |
93 | 0, 7, | |
94 | 01, 8, | |
95 | 07, 9, | |
96 | 02, 10, | |
97 | 03, 11, | |
98 | 04, 12, | |
99 | 05, 14, | |
100 | 0211, 16, | |
101 | 06, 18, | |
102 | 0212, 20, | |
103 | 0213, 22, | |
104 | 0214, 24, | |
105 | 0215, 28, | |
106 | 0216, 36, | |
107 | 0, 0 | |
108 | }; | |
109 | ||
d87898db RC |
110 | int lines; |
111 | ||
99b206fb RC |
112 | int vc = 1; /* varian/versatec output file descriptor */ |
113 | int varian = 1; /* 0 for versatec, 1 for varian. */ | |
114 | int BYTES_PER_LINE = 264; /* number of bytes per raster line. */ | |
115 | int PAGE_LINES = 1700; /* number of raster lines per page. */ | |
116 | int BUFFER_SIZE = NLINES * 264; /* buffer size. */ | |
d87898db RC |
117 | int cfnum = -1; |
118 | int cpsize = 10; | |
119 | int cfont = 1; | |
120 | char *bits; | |
121 | int nfontnum = -1; | |
122 | int fontwanted = 1; | |
123 | int npsize = 10; | |
124 | int last_ssize = 02; | |
125 | int xpos, ypos; | |
126 | int esc, lead, back, verd, mcase, railmag; | |
127 | double row, col; | |
128 | char *fontname[MAXF]; | |
129 | char fnbuf[120]; | |
130 | char *scanline; | |
131 | int linecount; | |
132 | ||
133 | char asctab[128] = { | |
134 | '\0', /*blank*/ | |
135 | 'h', /*h*/ | |
136 | 't', /*t*/ | |
137 | 'n', /*n*/ | |
138 | 'm', /*m*/ | |
139 | 'l', /*l*/ | |
140 | 'i', /*i*/ | |
141 | 'z', /*z*/ | |
142 | 's', /*s*/ | |
143 | 'd', /*d*/ | |
144 | 'b', /*b*/ | |
145 | 'x', /*x*/ | |
146 | 'f', /*f*/ | |
147 | 'j', /*j*/ | |
148 | 'u', /*u*/ | |
149 | 'k', /*k*/ | |
150 | '\0', /*blank*/ | |
151 | 'p', /*p*/ | |
152 | '\06', /*_ 3/4 em dash*/ | |
153 | ';', /*;*/ | |
154 | '\0', /*blank*/ | |
155 | 'a', /*a*/ | |
156 | '\05', /*rule*/ | |
157 | 'c', /*c*/ | |
158 | '`', /*` open*/ | |
159 | 'e', /*e*/ | |
160 | '\'', /*' close*/ | |
161 | 'o', /*o*/ | |
162 | '\021', /*1/4*/ | |
163 | 'r', /*r*/ | |
164 | '\022', /*1/2*/ | |
165 | 'v', /*v*/ | |
166 | '-', /*- hyphen*/ | |
167 | 'w', /*w*/ | |
168 | 'q', /*q*/ | |
169 | '/', /*/*/ | |
170 | '.', /*.*/ | |
171 | 'g', /*g*/ | |
172 | '\023', /*3/4*/ | |
173 | ',', /*,*/ | |
174 | '&', /*&*/ | |
175 | 'y', /*y*/ | |
176 | '\0', /*blank*/ | |
177 | '%', /*%*/ | |
178 | '\0', /*blank*/ | |
179 | 'Q', /*Q*/ | |
180 | 'T', /*T*/ | |
181 | 'O', /*O*/ | |
182 | 'H', /*H*/ | |
183 | 'N', /*N*/ | |
184 | 'M', /*M*/ | |
185 | 'L', /*L*/ | |
186 | 'R', /*R*/ | |
187 | 'G', /*G*/ | |
188 | 'I', /*I*/ | |
189 | 'P', /*P*/ | |
190 | 'C', /*C*/ | |
191 | 'V', /*V*/ | |
192 | 'E', /*E*/ | |
193 | 'Z', /*Z*/ | |
194 | 'D', /*D*/ | |
195 | 'B', /*B*/ | |
196 | 'S', /*S*/ | |
197 | 'Y', /*Y*/ | |
198 | '\0', /*blank*/ | |
199 | 'F', /*F*/ | |
200 | 'X', /*X*/ | |
201 | 'A', /*A*/ | |
202 | 'W', /*W*/ | |
203 | 'J', /*J*/ | |
204 | 'U', /*U*/ | |
205 | 'K', /*K*/ | |
206 | '0', /*0*/ | |
207 | '1', /*1*/ | |
208 | '2', /*2*/ | |
209 | '3', /*3*/ | |
210 | '4', /*4*/ | |
211 | '5', /*5*/ | |
212 | '6', /*6*/ | |
213 | '7', /*7*/ | |
214 | '8', /*8*/ | |
215 | '9', /*9*/ | |
216 | '*', /***/ | |
217 | '\04', /*minus*/ | |
218 | '\01', /*fi*/ | |
219 | '\02', /*fl*/ | |
220 | '\03', /*ff*/ | |
221 | '\020', /* cent sign */ | |
222 | '\012', /*ffl*/ | |
223 | '\011', /*ffi*/ | |
224 | '(', /*(*/ | |
225 | ')', /*)*/ | |
226 | '[', /*[*/ | |
227 | ']', /*]*/ | |
228 | '\013', /* degree */ | |
229 | '\014', /* dagger */ | |
230 | '=', /*=*/ | |
231 | '\017', /* registered */ | |
232 | ':', /*:*/ | |
233 | '+', /*+*/ | |
234 | '\0', /*blank*/ | |
235 | '!', /*!*/ | |
236 | '\07', /* bullet */ | |
237 | '?', /*?*/ | |
238 | '\015', /*foot mark*/ | |
239 | '|', /*|*/ | |
240 | '\0', /*blank*/ | |
241 | '\016', /* copyright */ | |
242 | '\010', /* square */ | |
243 | '$', /*$*/ | |
244 | '\0', | |
245 | '\0', | |
246 | '"', /*"*/ | |
247 | '#', /*#*/ | |
248 | '<', /*<*/ | |
249 | '>', /*>*/ | |
250 | '@', /*@*/ | |
251 | '\\', /*\\*/ | |
252 | '^', /*^*/ | |
253 | '{', /*{*/ | |
254 | '}', /*}*/ | |
255 | '~' /*~*/ | |
256 | }; | |
257 | ||
258 | char spectab[128] = { | |
259 | '\0', /*blank*/ | |
260 | 'w', /*psi*/ | |
261 | 'h', /*theta*/ | |
262 | 'm', /*nu*/ | |
263 | 'l', /*mu*/ | |
264 | 'k', /*lambda*/ | |
265 | 'i', /*iota*/ | |
266 | 'f', /*zeta*/ | |
267 | 'r', /*sigma*/ | |
268 | 'd', /*delta*/ | |
269 | 'b', /*beta*/ | |
270 | 'n', /*xi*/ | |
271 | 'g', /*eta*/ | |
272 | 'u', /*phi*/ | |
273 | 't', /*upsilon*/ | |
274 | 'j', /*kappa*/ | |
275 | '\0', /*blank*/ | |
276 | 'p', /*pi*/ | |
277 | '@', /*at-sign*/ | |
278 | '7', /*down arrow*/ | |
279 | '\0', /*blank*/ | |
280 | 'a', /*alpha*/ | |
281 | '|', /*or*/ | |
282 | 'v', /*chi*/ | |
283 | '"', /*"*/ | |
284 | 'e', /*epsilon*/ | |
285 | '=', /*=*/ | |
286 | 'o', /*omicron*/ | |
287 | '4', /*left arrow*/ | |
288 | 'q', /*rho*/ | |
289 | '6', /*up arrow*/ | |
290 | 's', /*tau*/ | |
291 | '_', /*underrule*/ | |
292 | '\\', /*\*/ | |
293 | 'W', /*Psi*/ | |
294 | '\07', /*bell system sign*/ | |
295 | '\001', /*infinity*/ | |
296 | 'c', /*gamma*/ | |
297 | '\002', /*improper superset*/ | |
298 | '\003', /*proportional to*/ | |
299 | '\004', /*right hand*/ | |
300 | 'x', /*omega*/ | |
301 | '\0', /*blank*/ | |
302 | '(', /*gradient*/ | |
303 | '\0', /*blank*/ | |
304 | 'U', /*Phi*/ | |
305 | 'H', /*Theta*/ | |
306 | 'X', /*Omega*/ | |
307 | '\005', /*cup (union)*/ | |
308 | '\006', /*root en*/ | |
309 | '\014', /*terminal sigma*/ | |
310 | 'K', /*Lambda*/ | |
311 | '-', /*minus*/ | |
312 | 'C', /*Gamma*/ | |
313 | '\015', /*integral sign*/ | |
314 | 'P', /*Pi*/ | |
315 | '\032', /*subset of*/ | |
316 | '\033', /*superset of*/ | |
317 | '2', /*approximates*/ | |
318 | 'y', /*partial derivative*/ | |
319 | 'D', /*Delta*/ | |
320 | '\013', /*square root*/ | |
321 | 'R', /*Sigma*/ | |
322 | '1', /*approx =*/ | |
323 | '\0', /*blank*/ | |
324 | '>', /*>*/ | |
325 | 'N', /*Xi*/ | |
326 | '<', /*<*/ | |
327 | '\016', /*slash (longer)*/ | |
328 | '\034', /*cap (intersection)*/ | |
329 | 'T', /*Upsilon*/ | |
330 | '\035', /*not*/ | |
331 | '\023', /*right ceiling (rt of ")*/ | |
332 | '\024', /*left top (of big curly)*/ | |
333 | '\017', /*bold vertical*/ | |
334 | '\030', /*left center of big curly bracket*/ | |
335 | '\025', /*left bottom*/ | |
336 | '\026', /*right top*/ | |
337 | '\031', /*right center of big curly bracket*/ | |
338 | '\027', /*right bot*/ | |
339 | '\021', /*right floor (rb of ")*/ | |
340 | '\020', /*left floor (left bot of big sq bract)*/ | |
341 | '\022', /*left ceiling (lt of ")*/ | |
342 | '*', /*multiply*/ | |
343 | '/', /*divide*/ | |
344 | '\010', /*plus-minus*/ | |
345 | '\011', /*<=*/ | |
346 | '\012', /*>=*/ | |
347 | '0', /*identically equal*/ | |
348 | '3', /*not equal*/ | |
349 | '{', /*{*/ | |
350 | '}', /*}*/ | |
351 | '\'', /*' acute accent*/ | |
352 | '\`', /*` grave accent*/ | |
353 | '^', /*^*/ | |
354 | '#', /*sharp*/ | |
355 | '\036', /*left hand*/ | |
356 | '\037', /*member of*/ | |
357 | '~', /*~*/ | |
358 | 'z', /*empty set*/ | |
359 | '\0', /*blank*/ | |
360 | 'Y', /*dbl dagger*/ | |
361 | 'Z', /*box rule*/ | |
362 | '9', /*asterisk*/ | |
363 | '[', /*improper subset*/ | |
364 | ']', /*circle*/ | |
365 | '\0', /*blank*/ | |
366 | '+', /*eqn plus*/ | |
367 | '5', /*right arrow*/ | |
368 | '8' /*section mark*/ | |
369 | }; | |
370 | ||
d87898db RC |
371 | main(argc, argv) |
372 | int argc; | |
373 | char *argv[]; | |
374 | { | |
5af70e5e RC |
375 | char *namearg = NULL; |
376 | char *hostarg = NULL; | |
377 | char *acctfile = NULL; | |
378 | ||
d87898db RC |
379 | while (--argc) { |
380 | if (*(*++argv) == '-') | |
381 | switch (argv[0][1]) { | |
46e69590 RC |
382 | case 'x': |
383 | BYTES_PER_LINE = atoi(&argv[0][2]) / 8; | |
384 | BUFFER_SIZE = NLINES * BYTES_PER_LINE; | |
46e69590 RC |
385 | break; |
386 | ||
387 | case 'y': | |
388 | PAGE_LINES = atoi(&argv[0][2]); | |
389 | break; | |
d87898db RC |
390 | |
391 | case 'n': | |
392 | if (argc > 1) { | |
393 | argc--; | |
394 | namearg = *++argv; | |
395 | } | |
396 | break; | |
397 | ||
398 | case 'h': | |
399 | if (argc > 1) { | |
400 | argc--; | |
401 | hostarg = *++argv; | |
402 | } | |
403 | break; | |
d87898db RC |
404 | } |
405 | else | |
406 | acctfile = *argv; | |
407 | } | |
408 | ioctl(vc, VSETSTATE, pltmode); | |
409 | readrm(); | |
410 | ofile(); | |
411 | ioctl(vc, VSETSTATE, prtmode); | |
412 | if (varian) | |
413 | write(vc, "\f", 2); | |
414 | else | |
415 | write(vc, "\n\n\n\n\n", 6); | |
416 | account(namearg, hostarg, acctfile); | |
417 | exit(0); | |
418 | } | |
419 | ||
420 | readrm() | |
421 | { | |
422 | register int i; | |
423 | register char *cp; | |
424 | register int rmfd; | |
425 | char c; | |
426 | ||
427 | if ((rmfd = open(LOCAL_RAILMAG, 0)) < 0) | |
428 | if ((rmfd = open(GLOBAL_RAILMAG, 0)) < 0) { | |
429 | fprintf(stderr, "rvcat: No railmag file\n"); | |
430 | exit(2); | |
431 | } | |
432 | cp = fnbuf; | |
5af70e5e | 433 | for (i = 0; i < MAXF; i++) { |
d87898db RC |
434 | fontname[i] = cp; |
435 | while (read(rmfd, &c, 1) == 1 && c != '\n') | |
436 | *cp++ = c; | |
437 | *cp++ = '\0'; | |
438 | } | |
439 | close(rmfd); | |
440 | } | |
441 | ||
442 | ofile() | |
443 | { | |
444 | register int c; | |
445 | register int i; | |
446 | double scol; | |
447 | static int initialized; | |
448 | ||
449 | lines = 0; | |
450 | while ((c = getchar()) != EOF) { | |
451 | if (!c) | |
452 | continue; | |
453 | if (c & 0200) { | |
454 | esc += (~c) & 0177; | |
455 | continue; | |
456 | } | |
457 | if (esc) { | |
458 | if (back) | |
459 | esc = -esc; | |
460 | col += esc; | |
461 | esc = 0; | |
462 | i = CONVERT(col); | |
463 | while (i >= NLINES) { | |
464 | slop_lines(15); | |
465 | i = CONVERT(col); | |
466 | } | |
467 | ypos = i; | |
468 | } | |
469 | if ((c & 0377) < 0100) /* Purely for efficiency */ | |
470 | goto normal_char; | |
471 | switch (c) { | |
472 | ||
473 | case 0100: | |
474 | esc = 0; | |
475 | lead = 0; | |
476 | linecount = 0; | |
477 | verd = 0; | |
478 | back = 0; | |
479 | mcase = 0; | |
480 | railmag = 0; | |
481 | if (loadfont(railmag, cpsize) < 0) | |
482 | fprintf(stderr, "rvcat: Can't load initial font\n"); | |
483 | if (initialized) | |
484 | goto reset; | |
485 | initialized = 1; | |
486 | row = 0; | |
487 | xpos = CONVERT(row); | |
488 | for (c = 0; c < BUFFER_SIZE; c++) | |
489 | buffer[c] = 0; | |
490 | col = 0; | |
491 | ypos = 0; | |
492 | break; | |
493 | ||
494 | case 0101: /* lower rail */ | |
495 | crail(railmag &= ~01); | |
496 | break; | |
497 | ||
498 | case 0102: /* upper rail */ | |
499 | crail(railmag |= 01); | |
500 | break; | |
501 | ||
502 | case 0103: /* upper mag */ | |
503 | crail(railmag |= 02); | |
504 | break; | |
505 | ||
506 | case 0104: /* lower mag */ | |
507 | crail(railmag &= ~02); | |
508 | break; | |
509 | ||
510 | case 0105: /* lower case */ | |
511 | mcase = 0; | |
512 | break; | |
513 | ||
514 | case 0106: /* upper case */ | |
515 | mcase = 0100; | |
516 | break; | |
517 | ||
518 | case 0107: /* escape forward */ | |
519 | back = 0; | |
520 | break; | |
521 | ||
522 | case 0110: /* escape backwards */ | |
523 | back = 1; | |
524 | break; | |
525 | ||
526 | case 0111: /* stop */ | |
527 | break; | |
528 | ||
529 | case 0112: /* lead forward */ | |
530 | verd = 0; | |
531 | break; | |
532 | ||
533 | case 0113: /* undefined */ | |
534 | break; | |
535 | ||
536 | case 0114: /* lead backward */ | |
537 | verd = 1; | |
538 | break; | |
539 | ||
540 | case 0115: /* undefined */ | |
541 | reset: | |
542 | c = lines % PAGE_LINES; | |
543 | while (c < FF_LINES) { | |
544 | slop_lines(min(FF_LINES - c, NLINES)); | |
545 | c = lines % PAGE_LINES; | |
546 | } | |
547 | new_page(PAGE_LINES - c); | |
548 | break; | |
549 | ||
550 | case 0116: | |
551 | lead = (getchar() & 0377) * 64; | |
552 | goto leadin; | |
553 | ||
554 | case 0117: | |
555 | break; | |
556 | ||
557 | default: | |
558 | if ((c & 0340) == 0140) /* leading */ { | |
559 | lead = (~c) & 037; | |
560 | leadin: | |
561 | if (verd) | |
562 | lead = -lead; | |
563 | row += lead*3; /* Lead is 3 units */ | |
564 | xpos = CONVERT(row); | |
565 | continue; | |
566 | } | |
567 | if ((c & 0360) == 0120) /* size change */ { | |
568 | loadfont(railmag, findsize(c & 017)); | |
569 | continue; | |
570 | } | |
571 | if (c & 0300) | |
572 | continue; | |
573 | ||
574 | normal_char: | |
46e69590 | 575 | if (row < 0 || CONVERT(row) >= BYTES_PER_LINE * 8) |
d87898db RC |
576 | continue; |
577 | c = (c & 077) | mcase; | |
578 | outc(c); | |
579 | } | |
580 | } | |
581 | out: | |
582 | slop_lines(NLINES); | |
583 | } | |
584 | ||
585 | findsize(code) | |
586 | register int code; | |
587 | { | |
588 | register struct point_sizes *psp; | |
589 | ||
590 | psp = point_sizes; | |
591 | while (psp->real_code != 0) { | |
592 | if ((psp->stupid_code & 017) == code) | |
593 | break; | |
594 | psp++; | |
595 | } | |
596 | code = 0; | |
597 | if (!(last_ssize & 0200) && (psp->stupid_code & 0200)) | |
598 | code = -55; | |
599 | else if ((last_ssize & 0200) && !(psp->stupid_code & 0200)) | |
600 | code = 55; | |
601 | if (back) | |
602 | code = -code; | |
603 | esc += code; | |
604 | last_ssize = psp->stupid_code; | |
dfc1084e | 605 | return(psp->real_code); |
d87898db RC |
606 | } |
607 | ||
608 | account(who, from, acctfile) | |
609 | char *who, *from, *acctfile; | |
610 | { | |
611 | register FILE *a; | |
612 | ||
613 | if (who == NULL || acctfile == NULL) | |
614 | return; | |
615 | if (access(acctfile, 02) || (a = fopen(acctfile, "a")) == NULL) | |
616 | return; | |
617 | /* | |
dfc1084e | 618 | * Varian accounting is done by 8.5 inch pages; |
d87898db RC |
619 | * Versatec accounting is by the (12 inch) foot. |
620 | */ | |
984a125c | 621 | fprintf(a, "t%6.2f\t", (double)lines / (double)PAGE_LINES); |
d87898db RC |
622 | if (from != NULL) |
623 | fprintf(a, "%s:", from); | |
624 | fprintf(a, "%s\n", who); | |
625 | fclose(a); | |
626 | } | |
627 | ||
628 | crail(nrail) | |
629 | register int nrail; | |
630 | { | |
631 | register int psize; | |
632 | ||
633 | psize = cpsize; | |
634 | if (fontwanted && psize != npsize) | |
635 | psize = npsize; | |
636 | loadfont(nrail, psize); | |
637 | } | |
638 | ||
639 | ||
640 | loadfont(fnum, size) | |
641 | register int fnum; | |
642 | register int size; | |
643 | { | |
644 | register int i; | |
645 | char cbuf[80]; | |
646 | ||
647 | fontwanted = 0; | |
648 | if (fnum == cfnum && size == cpsize) | |
649 | return(0); | |
650 | for (i = 0; i < NFONTS; i++) | |
651 | if (fontdes[i].fnum == fnum && fontdes[i].psize == size) { | |
652 | cfnum = fontdes[i].fnum; | |
653 | cpsize = fontdes[i].psize; | |
654 | dispatch = &fontdes[i].disp[0]; | |
655 | bits = fontdes[i].bits; | |
656 | cfont = i; | |
dfc1084e | 657 | return(0); |
d87898db RC |
658 | } |
659 | if (fnum < 0 || fnum >= MAXF) { | |
660 | fprintf(stderr, "rvcat: Internal error: illegal font\n"); | |
661 | return(-1); | |
662 | } | |
663 | nfontnum = fnum; | |
664 | npsize = size; | |
665 | fontwanted++; | |
dfc1084e | 666 | return(0); |
d87898db RC |
667 | } |
668 | ||
669 | ||
670 | getfont() | |
671 | { | |
672 | register int fnum, size, font; | |
673 | int d; | |
674 | char cbuf[BUFSIZ]; | |
675 | char *cp = cbuf; | |
676 | char *dp; | |
677 | ||
678 | if (!fontwanted) | |
679 | return(0); | |
680 | fnum = nfontnum; | |
681 | size = npsize; | |
682 | sprintf(cbuf, "%s.%dr", fontname[fnum], size); | |
683 | font = open(cbuf, 0); | |
684 | if (font == -1) { | |
5af70e5e | 685 | fprintf(stderr, "rvcat: "); |
d87898db RC |
686 | perror(cbuf); |
687 | fontwanted = 0; | |
dfc1084e | 688 | return(-1); |
d87898db RC |
689 | } |
690 | if (read(font, &header, sizeof header)!=sizeof header || header.magic!=0436) | |
691 | fprintf(stderr, "rvcat: %s: Bad font file", cbuf); | |
692 | else { | |
693 | cfont = relfont(); | |
694 | if (((bits=nalloc(header.size+DSIZ+1,1))== NULL) | |
695 | && ((bits=allpanic(header.size+DSIZ+1))== NULL)) { | |
696 | fprintf(stderr, "rvcat: %s: ran out of memory\n", cbuf); | |
697 | exit(2); | |
698 | } else { | |
699 | /* | |
700 | * have allocated one chunk of mem for font, dispatch. | |
701 | * get the dispatch addr, align to word boundary. | |
702 | */ | |
703 | d = (int) bits+header.size; | |
704 | d += 1; | |
705 | d &= ~1; | |
706 | if (read(font, d, DSIZ)!=DSIZ | |
707 | || read(font, bits, header.size)!=header.size) | |
708 | fprintf(stderr, "rvcat: bad font header"); | |
709 | else { | |
710 | close(font); | |
711 | cfnum = fontdes[cfont].fnum = fnum; | |
712 | cpsize = fontdes[cfont].psize = size; | |
713 | fontdes[cfont].bits = bits; | |
714 | fontdes[cfont].disp = (struct dispatch *) d; | |
715 | dispatch = &fontdes[cfont].disp[0]; | |
716 | fontwanted = 0; | |
dfc1084e | 717 | return(0); |
d87898db RC |
718 | } |
719 | } | |
720 | } | |
721 | close(font); | |
722 | fontwanted = 0; | |
723 | return(-1); | |
724 | } | |
725 | ||
dfc1084e | 726 | int lastloaded = -1; |
d87898db RC |
727 | |
728 | relfont() | |
729 | { | |
730 | register int newfont; | |
731 | ||
732 | newfont = lastloaded; | |
733 | /* | |
734 | * optimization for special font. since we think that usually | |
735 | * there is only one character at a time from any special math | |
736 | * font, make it the candidate for removal. | |
737 | */ | |
738 | if (fontdes[cfont].fnum != SPECIALFONT || fontdes[cfont].bits==0) | |
739 | if (++newfont>=NFONTS) | |
740 | newfont = 0; | |
741 | lastloaded = newfont; | |
742 | if ((int)fontdes[newfont].bits != -1 && fontdes[newfont].bits != 0) | |
743 | nfree(fontdes[newfont].bits); | |
744 | fontdes[newfont].bits = 0; | |
dfc1084e | 745 | return(newfont); |
d87898db RC |
746 | } |
747 | ||
748 | char * | |
749 | allpanic(nbytes) | |
750 | int nbytes; | |
751 | { | |
752 | register int i; | |
753 | ||
754 | for (i = 0; i <= NFONTS; i++) | |
755 | if (fontdes[i].bits != (char *)-1 && fontdes[i].bits != (char *)0) | |
756 | nfree(fontdes[i].bits); | |
757 | lastloaded = cfont; | |
758 | for (i = 0; i <= NFONTS; i++) { | |
759 | fontdes[i].fnum = fontdes[i].psize = -1; | |
760 | fontdes[i].bits = 0; | |
761 | cfnum = cpsize = -1; | |
762 | } | |
763 | return(nalloc(nbytes,1)); | |
764 | } | |
765 | ||
766 | int M[] = { 0xffffffff, 0xfefefefe, 0xfcfcfcfc, 0xf8f8f8f8, | |
767 | 0xf0f0f0f0, 0xe0e0e0e0, 0xc0c0c0c0, 0x80808080, 0x0 }; | |
768 | int N[] = { 0x00000000, 0x01010101, 0x03030303, 0x07070707, | |
769 | 0x0f0f0f0f, 0x1f1f1f1f, 0x3f3f3f3f, 0x7f7f7f7f, 0xffffffff }; | |
770 | int strim[] = { 0xffffffff, 0xffffff00, 0xffff0000, 0xff000000, 0 }; | |
771 | ||
772 | outc(code) | |
773 | int code; | |
774 | { | |
775 | char c; /* character to print */ | |
776 | register struct dispatch *d; /* ptr to character font record */ | |
777 | register char *addr; /* addr of font data */ | |
778 | int llen; /* length of each font line */ | |
779 | int nlines; /* number of font lines */ | |
780 | register char *scanp; /* ptr to output buffer */ | |
781 | int scanp_inc; /* increment to start of next buffer */ | |
782 | int offset; /* bit offset to start of font data */ | |
783 | int i; /* loop counter */ | |
784 | register int count; /* font data ptr */ | |
785 | register unsigned fontdata; /* font data temporary */ | |
786 | register int off8; /* offset + 8 */ | |
787 | int b0poff; /* bit offset back towards buf0p */ | |
788 | ||
789 | if (fontwanted) | |
790 | getfont(); | |
791 | if (railmag == SPECIALFONT) { | |
792 | if ((c = spectab[code]) < 0) | |
793 | return(0); | |
794 | } else if ((c = asctab[code]) < 0) | |
795 | return(0); | |
796 | d = dispatch+c; | |
797 | if (d->nbytes) { | |
798 | addr = bits+d->addr; | |
799 | llen = (d->down+d->up+7)/8; | |
800 | nlines = d->left+d->right; | |
801 | if (ypos+d->right >= NLINES) | |
802 | slop_lines(ypos+d->right-NLINES+6); | |
803 | b0poff = BYTES_PER_LINE*8 - 1 - (xpos+d->down); | |
804 | scanp = ((ypos-d->left-1)*BYTES_PER_LINE+b0poff/8)+buf0p; | |
805 | if (scanp < &buffer[0]) | |
806 | scanp += BUFFER_SIZE; | |
807 | scanp_inc = BYTES_PER_LINE-llen; | |
808 | offset = -(b0poff&07); | |
809 | off8 = offset+8; | |
810 | for (i = 0; i < nlines; i++) { | |
811 | if (scanp >= &buffer[BUFFER_SIZE]) | |
812 | scanp -= BUFFER_SIZE; | |
813 | count = llen; | |
814 | if (scanp + count <= &buffer[BUFFER_SIZE]) | |
815 | do { | |
816 | fontdata = *(unsigned *)addr; | |
817 | addr += 4; | |
818 | if (count < 4) | |
819 | fontdata &= ~strim[count]; | |
820 | *(unsigned *)scanp |= (fontdata << offset) &~ M[off8]; | |
821 | scanp++; | |
822 | *(unsigned *)scanp |= (fontdata << off8) &~ N[off8]; | |
823 | scanp += 3; | |
824 | count -= 4; | |
825 | } while (count > 0); | |
826 | scanp += scanp_inc+count; | |
827 | addr += count; | |
828 | } | |
dfc1084e | 829 | return(1); |
d87898db | 830 | } |
dfc1084e | 831 | return(0); |
d87898db RC |
832 | } |
833 | ||
834 | slop_lines(ncols) | |
835 | int ncols; | |
836 | { | |
837 | register int i, rcols; | |
838 | ||
839 | lines += ncols; | |
840 | rcols = (&buffer[BUFFER_SIZE] - buf0p) / BYTES_PER_LINE; | |
841 | if (rcols < ncols) { | |
842 | if (write(vc, buf0p, BYTES_PER_LINE * rcols) < 0) | |
843 | exit(1); | |
a9d46e9c | 844 | bzero(buf0p, rcols * BYTES_PER_LINE); |
d87898db RC |
845 | buf0p = buffer; |
846 | ncols -= rcols; | |
847 | ypos -= rcols; | |
848 | col -= RECONVERT(rcols); | |
849 | } | |
850 | if (write(vc, buf0p, BYTES_PER_LINE * ncols) < 0) | |
851 | exit(1); | |
a9d46e9c | 852 | bzero(buf0p, BYTES_PER_LINE * ncols); |
d87898db RC |
853 | buf0p += BYTES_PER_LINE * ncols; |
854 | if (buf0p >= &buffer[BUFFER_SIZE]) | |
855 | buf0p -= BUFFER_SIZE; | |
856 | ypos -= ncols; | |
857 | col -= RECONVERT(ncols); | |
858 | } | |
859 | ||
d87898db RC |
860 | /* Start a new page by formfeeding, resetting buffer and column counters. */ |
861 | new_page(lines_left) | |
862 | int lines_left; /* ... on page. */ | |
863 | { | |
864 | lines += lines_left; | |
865 | buf0p = buffer; /* Clear out buffer and reset pointers. */ | |
a9d46e9c | 866 | bzero(buf0p, BYTES_PER_LINE * NLINES); |
d87898db RC |
867 | row = 0; |
868 | col = 0; | |
869 | xpos = CONVERT(row); | |
870 | ypos = 0; | |
871 | ioctl(vc, VSETSTATE, prtmode); | |
872 | write (vc, "\f", 2); | |
873 | ioctl(vc, VSETSTATE, pltmode); | |
874 | } | |
875 | ||
876 | char * | |
877 | nalloc(i, j) | |
878 | int i, j; | |
879 | { | |
880 | register char *cp; | |
881 | ||
882 | cp = calloc(i, j); | |
883 | return(cp); | |
884 | } | |
885 | ||
886 | nfree(cp) | |
887 | char *cp; | |
888 | { | |
889 | free(cp); | |
890 | } |