Mercurial > hg > xemacs-beta

comparison lib-src/mule/m2ps.c @ 70:131b0175ea99 r20-0b30

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r20-0b30
author cvs
date Mon, 13 Aug 2007 09:02:59 +0200
parents
children
comparison
equal deleted inserted replaced
69:804d1389bcd6 70:131b0175ea99
1 /* m2ps Ver.2.2 -- Convert multilingual text to PostScript
2 Copyright (C) 1992 Free Software Foundation, Inc. */
3
4 /* This file is part of Mule (MULtilingual Enhancement of GNU Emacs).
5
6 Mule is free software distributed in the form of patches to GNU Emacs.
7 You can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 1, or (at your option)
10 any later version.
11
12 Mule is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21 /* 92.10.8 written by K.Handa <handa@etl.go.jp> */
22 /* 92.11.3 modified for Mule Ver.0.9.7
23 by T.Matsuzawa <mzw_t@hpujisa.yhp.co.jp>
24 Support NONSPACING characters and send smaller bitmap. */
25 /* 92.11.6 modified for Mule Ver.0.9.7 by K.Shibata <shibata@sgi.co.jp>
26 Modified for ANSI-C. */
27 /* 92.11.10 modified for Mule Ver.0.9.7
28 by K.Sakaeda <saka@tomorose.trad.pfu.fujitsu.co.jp>
29 Modified for SystemV. */
30 /* 92.11.24 modified for Mule Ver.0.9.7 by K.Handa <handa@etl.go.jp>
31 Modified to reduce memory. */
32 /* 92.12.14 modified for Mule Ver.0.9.7 by K.Handa <handa@etl.go.jp>
33 Support composite character. */
34 /* 93.5.7 modified for Mule Ver.0.9.8 by K.Handa <handa@etl.go.jp>
35 Bug in handling missing font fixed.
36 Support Big5. */
37 /* 93.5.29 modified for Mule Ver.0.9.8 by Y.Niibe <gniibe@mri.co.jp>
38 Include config.h in src directory */
39 /* 93.6.4 modified for Mule Ver.0.9.8 by K.Shibata <shibata@sgi.co.jp>
40 Modified for ANSI-C. */
41 /* 93.12.25 modified for Mule Ver.1.0 by K.Handa <handa@etl.go.jp>
42 In textmode(), bug of right-to-left handling fixed */
43 /* 94.3.8 modified for Mule Ver.1.1 by K.Handa <handa@etl.go.jp>
44 Bug in find_encoding() fixed. */
45 /* See `mule/ChangeLog.Mule' for the recent change log */
46
47 #include <stdio.h>
48 #include <fcntl.h>
49 #include <sys/types.h>
50 #include <sys/file.h>
51 #include "mulelib.h"
52
53 static char *m2ps_version = "2.2";
54
55 #ifndef PSHeader
56 #define PSHeader "m2ps.ps"
57 #endif
58
59 #ifndef DPI
60 #define DPI 300
61 #endif
62
63 #ifndef FontScale
64 #define FontScale 10
65 #endif
66
67 #ifndef LinePitch
68 #define LinePitch 14
69 #endif
70
71 /* Parameters for A4 paper */
72 #define A4_MaxLine 56
73 #define A4_TopMargin 800
74
75 /* Parameters for US-LETTER paper */
76 #define US_MaxLine 50
77 #define US_TopMargin 746
78
79 #ifndef USLETTER
80
81 #ifndef MaxLine
82 #define MaxLine A4_MaxLine
83 #endif
84
85 #ifndef TopMargin
86 #define TopMargin A4_TopMargin
87 #endif
88
89 #else /* US-LETTER */
90
91 #ifndef MaxLine
92 #define MaxLine US_MaxLine
93 #endif
94
95 #ifndef TopMargin
96 #define TopMargin US_TopMargin
97 #endif
98
99 #endif /* US-LETTER */
100
101 #ifndef LeftMargin
102 #define LeftMargin 30 /* To widen left margin, specify larger value. */
103 #endif
104
105 #ifndef ShortMemory
106 #define ShortMemory 0
107 #endif
108
109 char *psheader = PSHeader;
110 int dpi = DPI;
111 int fontscale = FontScale;
112 int linepitch = LinePitch;
113 int maxline = MaxLine;
114 int topmargin = TopMargin;
115 int leftmargin = LeftMargin;
116 int shortmemory = ShortMemory;
117
118 /***************/
119 /* Main staffs */
120 /***************/
121
122 /* GLOBAL VARIABLES */
123 int clm, row, current_lc;
124
125 set_font(lc)
126 int lc;
127 { /* 93.5.7, 94.11.29 by K.Handa -- Big change */
128 if (FONT_LOADED (lc) == 0) {
129 if (bdf_load_font(lc))
130 ps_newfont(lc);
131 else
132 lc = 0;
133 } else if (FONT_LOADED (lc) < 0)
134 lc = 0;
135 if (lc != current_lc) {
136 ps_setfont(lc);
137 current_lc = lc;
138 }
139 }
140
141 renew_font(lc)
142 int lc;
143 {
144 bzero(((font_extra *)font[lc & 0x7F].extra)->new, 256 * (sizeof (char)));
145 }
146
147 /* Load specified glyph, then return the index to glyph. Note the index
148 is within the range of [0,255]. Return -1 if error. */
149 set_glyph1(lc, c)
150 int lc, c;
151 {
152 if (!DEFINED1(lc, c)) {
153 if (bdf_load_glyph(lc, c, &glyph)) {
154 ps_newglyph(c, &glyph);
155 DEFINE1(lc, c);
156 } else
157 return -1;
158 }
159 return c;
160 }
161
162 find_encoding(fontp, lc, c)
163 font_struct *fontp;
164 int lc, c;
165 {
166 font_extra *ext = (font_extra *)fontp->extra;
167 int i, min_count = ext->count[0], j = 0;
168
169 if (min_count > 0) {
170 min_count = 0x7FFF; /* 94.3.8 by K.Handa */
171 for (i = 0; i < 256; i++) {
172 if (ext->count[i] <= min_count && !ext->new[i]) {
173 min_count = ext->count[i], j = i;
174 if (min_count == 0) break;
175 }
176 }
177 }
178 if (min_count > 0)
179 UNDEFINE2(lc, ext->code[j]);
180
181 ext->count[j] = ext->new[j] = 1;
182 ext->code[j] = c;
183 DEFINE2(lc, ext->code[j]);
184 return j;
185 }
186
187 /* Load specified glyph, replacing previously loaded glyph if necessary,
188 then return the index to glyph. Note the index is within the range
189 of [0,255]. Return -1 if error. */
190 set_glyph2(lc, c)
191 int lc, c;
192 {
193 int code;
194 font_struct *fontp = &font[lc & 0x7F];
195 font_extra *ext = (font_extra *)fontp->extra;
196
197 if (!DEFINED2(lc, c)) {
198 if (bdf_load_glyph(lc, c, &glyph)) {
199 code = find_encoding(fontp, lc, c);
200 ps_newglyph(code, &glyph);
201 } else
202 return -1;
203 } else {
204 for (code = 0; code < 256; code++) {
205 if (ext->code[code] == c) break;
206 }
207 ext->new[code] = 1;
208 ext->count[code]++;
209 }
210 return code;
211 }
212
213 swap_buf(buf, from, to)
214 unsigned char *buf;
215 int from, to;
216 {
217 int i, j;
218 unsigned char buf2[1024], *p = buf2;
219
220 i = j = to;
221 while (--i >= from) {
222 if (NONASCII_P(buf[i])) continue;
223 bcopy(buf + i, p, j - i);
224 p += j - i;
225 j = i;
226 }
227 bcopy(buf2, buf + from, to - from);
228 }
229
230 textmode()
231 {
232 register int i, j, k, c, lc;
233 char buf[1024]; /* 92.11.6 by K.Shibata */
234 unsigned char line[1024], *p;
235 int cmp_flag = 0, len, r2l_chars;
236
237 ps_bot(); ps_bop();
238 clm = row = 0; current_lc = -1;
239 /* set_font(0); */
240 while ((len = get_line(line, 1024, stdin)) >= 0) { /* 93.6.4 by K.Shibata */
241 /* We should process line by line to handle r2l direction. */
242 j = 0; r2l_chars = 0;
243
244 /* At first, re-order characters of r2l direction. */
245 while (j < len) {
246 p = line + j;
247 if (*p <= 0x7F) {
248 lc = 0;
249 p++;
250 } else {
251 lc = *p++;
252 if (lc == LCCMP) lc = *p++ - 0x20;
253 if (lc >= LCPRV11) lc = *p++;
254 }
255 while (NONASCII_P(*p)) p++;
256 if (char_direction[lc]) {
257 if (!r2l_chars) k = j;
258 r2l_chars++;
259 } else {
260 if (r2l_chars > 1)
261 swap_buf(line, k, j);
262 r2l_chars = 0;
263 }
264 j = p - line;
265 }
266 if (r2l_chars > 1) swap_buf(line, k, j); /* 93.12.25 by K.Handa */
267
268 /* Then output characters. */
269 for (j = 0; j < len;) {
270 c = line[j];
271
272 if (c == LCCMP) { /* start of composite characters */
273 cmp_flag = 1;
274 j++;
275 continue;
276 }
277 if (cmp_flag) { /* composed characters have special encoding */
278 if (c == 0xA0) c = line[++j] & 0x7F;
279 else if (c > 0xA0) c -= 0x20;
280 else cmp_flag = 0;
281 }
282
283 if (c < 0x20 || c == 0x7F) { /* Control code */
284 switch (c) {
285 case '\t':
286 i = 8 - (clm % 8);
287 clm += i;
288 set_font(0);
289 if (set_glyph1(0, ' ') >= 0) {
290 putchar('(');
291 while (i--) putchar(' ');
292 printf(") s ");
293 }
294 break;
295 case '\f':
296 ps_eop(), ps_bop();
297 break;
298 default:
299 if (c < ' ') control_char(c);
300 else invalid_char(c);
301 }
302 j++;
303 } else if (c < 0x7F) { /* ASCII */
304 set_font(0);
305 i = 0;
306 do {
307 if ((c = set_glyph1(0, c)) >= 0) {
308 if (c == '\\' || c == '(' || c == ')')
309 buf[i++] = '\\', buf[i++] = c;
310 else
311 buf[i++] = c;
312 clm++;
313 }
314 c = line[++j];
315 } while (!cmp_flag /* process composite character one by one */
316 && 0x20 <= c && c < 0x7F);
317 buf[i] = 0;
318 switch (cmp_flag) {
319 case 0: /* not composite character */
320 printf("(%s) s ", buf);
321 break;
322 case 1: /* first of composite character */
323 printf("(%s) cs1 ", buf);
324 cmp_flag = 2;
325 break;
326 default: /* case 2: rest of composite character*/
327 if (font[0].relative_compose)
328 printf("(%s) cs2 ", buf);
329 else
330 printf("(%s) cs3 ", buf);
331 }
332 } else if (c < LCINV) { /* Multilingual character */
333 int cur_lc = c < LCPRV11 ? c : line[j + 1];
334 CCL_PROGRAM *ccl = x_ccl_programs[cur_lc & 0x7F];
335 unsigned char c1, c2;
336
337 set_font(cur_lc);
338 i = 0, lc = cur_lc;
339 while (1) {
340 if (lc >= LCPRV11) lc = line[j + 1];
341 if (lc != cur_lc)
342 break;
343 if (lc < LCJPOLD) c1 = 0, c2 = line[j + 1], j += 2;
344 else if (lc < LCPRV11) c1 = line[j + 1], c2 = line[j + 2], j += 3;
345 else if (lc < LCPRV21EXT) c1 = 0, c2 = line[j + 2], j += 3;
346 else c1 = line[j + 2], c2 = line[j + 3], j += 4;
347 if (!ccl) {
348 c = c1 * 256 + c2;
349 } else {
350 ccl->reg[0] = c1; ccl->reg[1] = c2;
351 ccl_driver (ccl, NULL, NULL, 0, 0);
352 c = ccl->reg[0] * 256 + ccl->reg[1];
353 }
354 if (current_lc != lc) {
355 /* Font is not found. Use ASCII to write the code. */
356 c &= 0x7F;
357 if (c >= ' ' && c <= 126)
358 c = set_glyph1(0, c & 0x7F);
359 else
360 c = set_glyph1(0, ' ');
361 } else if (char_type[lc] < TYPE94N)
362 c = set_glyph1(lc, c);
363 else
364 c = set_glyph2(lc, c);
365 if (c >= 0) {
366 if (c == '\\' || c == '(' || c == ')')
367 buf[i++] = '\\', buf[i++] = c;
368 else if (c >= ' ' && c < 127)
369 buf[i++] = c;
370 else
371 sprintf(buf + i, "\\%03o", c), i += 4;
372 clm += lc < 0x90 || (lc >= LCPRV11EXT && lc < LCPRV21EXT) ? 1 : 2;
373 }
374 if (cmp_flag) break;
375 lc = line[j];
376 }
377 buf[i] = 0;
378 switch (cmp_flag) {
379 case 0:
380 printf("(%s) s ", buf);
381 break;
382 case 1:
383 printf("(%s) cs1 ", buf);
384 cmp_flag = 2;
385 break;
386 case 2:
387 default:
388 if (font[lc & 0x7F].relative_compose)
389 printf("(%s) cs2 ", buf);
390 else
391 printf("(%s) cs3 ", buf);
392 }
393 renew_font(cur_lc);
394 } else {
395 invalid_char(c);
396 }
397 }
398 printf("n\n");
399 row++, clm = 0;
400 if (row >= maxline) ps_eop(), ps_bop();
401 }
402
403 ps_eop();
404 ps_eot();
405 }
406
407 control_char(c)
408 int c;
409 {
410 c += '@';
411 set_font(0);
412 if ((set_glyph1(0, '^') >= 0) && (set_glyph1(0, c) >= 0)) {
413 printf("(^%c) s ", c);
414 clm += 2;
415 }
416 }
417
418 invalid_char(c)
419 int c;
420 {
421 int i;
422
423 set_font(0);
424 if (set_glyph1(0, '\\') >= 0) {
425 for (i = '0'; i <= '9'; i++) {
426 if (set_glyph1(0, i) < 0) break;
427 }
428 if (i > '9') {
429 printf("(\\\\%03o) s ", c);
430 clm += 4;
431 }
432 }
433 }
434
435 main(argc, argv)
436 int argc;
437 char *argv[];
438 {
439 register int i = 1;
440 char *bdf_path = NULL, *charsets = NULL;
441
442 while (i < argc) {
443 if (!strcmp(argv[i], "-ps") && (i + 1) < argc) {
444 psheader = argv[i + 1];
445 i += 2;
446 } else if (!strcmp(argv[i], "-fp") && (i + 1) < argc) {
447 bdf_path = argv[i + 1];
448 i += 2;
449 } else if (!strcmp(argv[i], "-cs") && (i + 1) < argc) {
450 charsets = argv[i + 1];
451 i += 2;
452 } else if (!strcmp(argv[i], "-dpi") && (i + 1) < argc) {
453 dpi = atoi(argv[i + 1]);
454 i += 2;
455 } else if (!strcmp(argv[i], "-fs") && (i + 1) < argc) {
456 fontscale = atoi(argv[i + 1]);
457 i += 2;
458 } else if (!strcmp(argv[i], "-lp") && (i + 1) < argc) {
459 linepitch = atoi(argv[i + 1]);
460 i += 2;
461 } else if (!strcmp(argv[i], "-ml") && (i + 1) < argc) {
462 maxline = atoi(argv[i + 1]);
463 i += 2;
464 } else if (!strcmp(argv[i], "-tm") && (i + 1) < argc) {
465 topmargin = atoi(argv[i + 1]);
466 i += 2;
467 } else if (!strcmp(argv[i], "-lm") && (i + 1) < argc) {
468 leftmargin = atoi(argv[i + 1]);
469 i += 2;
470 } else if (!strcmp(argv[i], "-sm")) {
471 shortmemory = 1;
472 i++;
473 } else if (!strcmp(argv[i], "-bm")) {
474 shortmemory = 0;
475 i++;
476 } else if (!strcmp(argv[i], "-a4") || !strcmp(argv[i], "-A4")) {
477 maxline = A4_MaxLine;
478 topmargin = A4_TopMargin;
479 i++;
480 } else if (!strcmp(argv[i], "-us") || !strcmp(argv[i], "-US")) {
481 maxline = US_MaxLine;
482 topmargin = US_TopMargin;
483 i++;
484 } else if (!strncmp(argv[i], "-ver", 4)) {
485 printf("m2ps Ver.%s\n", m2ps_version);
486 exit(0);
487 } else {
488 fprintf(stderr, "%s: Invalid argument: %s\n", argv[0], argv[i]);
489 exit(1);
490 }
491 }
492
493 mulelib_initialize(argc, argv, charsets, NULL);
494 bdf_initialize(bdf_path, 0);
495 textmode();
496 exit(0);
497 }
498
499 /*********************/
500 /* PostScript staffs */
501 /*********************/
502
503 ps_bot()
504 {
505 int c;
506 FILE *fp;
507
508 if ((fp = open_file(PATH_DATA, psheader)) == NULL)
509 fatal1("PostScript header file not found.");
510
511 while ((c = getc(fp)) != EOF) putchar(c);
512 fclose(fp);
513 printf("Mydict begin\n");
514 printf("/DPI %d def\n", dpi);
515 printf("/FontScale %d def\n", fontscale);
516 printf("/LinePitch %d def\n", linepitch);
517 printf("/TopMargin %d def\n", topmargin);
518 printf("/LeftMargin %d def\n", leftmargin);
519 printf("/ShortMemory %s def\n", (shortmemory ? "true" : "false"));
520 }
521
522 ps_eot()
523 {
524 printf("end\n");
525 }
526
527 /* Define new PS font for a leading char LC.
528 No_cache flag is for the fonts be modified (replacing the glyphs, etc.)
529 at execution time. */
530 ps_newfont(lc)
531 int lc;
532 {
533 font_struct *fontp = &font[lc & 0x7F];
534
535 printf("/F%02x /FF%02x %d [%d %d %d %d] %d %s nf\n",
536 lc, lc, ((font_extra *)fontp->extra)->fs,
537 fontp->llx, fontp->lly - fontp->yoffset,
538 fontp->urx, fontp->ury - fontp->yoffset,
539 fontp->relative_compose,
540 (fontp->bytes == 1 ? "true" : "false"));
541 }
542
543 ps_setfont(lc)
544 int lc;
545 {
546 printf("F%02x f\n", lc);
547 }
548
549 ps_newglyph(encoding, glyph)
550 int encoding;
551 glyph_struct *glyph;
552 {
553 char *bitmap = glyph->bitmap;
554
555 if (*bitmap == '\0')
556 bitmap = "00";
557
558 printf("/C%d%s[ %d %d %d %d %d %d %d %d %d <%s> ] g\n",
559 encoding, (encoding < 10 ? "XX " : encoding < 100 ? "X " : " "),
560 glyph->dwidth,
561 glyph->bbox, glyph->bboy,
562 glyph->bbw + glyph->bbox, glyph->bbh + glyph->bboy,
563 glyph->bbw, glyph->bbh,
564 glyph->bbox, glyph->bbh + glyph->bboy,
565 bitmap);
566 }
567
568 ps_bop()
569 {
570 int lc;
571
572 row = clm = 0;
573 printf("bp\n");
574 if (shortmemory) {
575 current_lc = -1;
576 for (lc = 0; lc < 256; lc++) { /* 93.5.7 by K.Handa */
577 if (FONT_LOADED (lc) == 1) FONT_LOADED (lc) = 0;
578 }
579 }
580 }
581
582 ps_eop()
583 {
584 printf("ep\n");
585 }