![[BACK]](/icons/back.gif){kind=icon}
Return to term_ps.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc|
Return to term_ps.c CVS log | Up to [local] / src / usr.bin / mandoc |
1.10 ! schwarze 1: /* $Id: term_ps.c,v 1.9 2010/08/18 01:30:16 schwarze Exp $ */
1.1 schwarze 2: /*
1.6 schwarze 3: * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 schwarze 4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
21: #include <sys/param.h>
22:
23: #include <assert.h>
24: #include <stdarg.h>
1.5 schwarze 25: #include <stdint.h>
1.1 schwarze 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
1.4 schwarze 29: #include <time.h>
1.6 schwarze 30: #include <unistd.h>
1.1 schwarze 31:
1.10 ! schwarze 32: #include "mandoc.h"
1.1 schwarze 33: #include "out.h"
34: #include "main.h"
35: #include "term.h"
36:
1.6 schwarze 37: /* Convert PostScript point "x" to an AFM unit. */
38: #define PNT2AFM(p, x) /* LINTED */ \
39: (size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale))
40:
41: /* Convert an AFM unit "x" to a PostScript points */
42: #define AFM2PNT(p, x) /* LINTED */ \
1.7 schwarze 43: ((double)(x) / (1000.0 / (double)(p)->engine.ps.scale))
1.6 schwarze 44:
1.4 schwarze 45: struct glyph {
1.7 schwarze 46: unsigned short wx; /* WX in AFM */
1.4 schwarze 47: };
48:
49: struct font {
50: const char *name; /* FontName in AFM */
51: #define MAXCHAR 95 /* total characters we can handle */
52: struct glyph gly[MAXCHAR]; /* glyph metrics */
53: };
1.1 schwarze 54:
1.4 schwarze 55: /*
56: * We define, for the time being, three fonts: bold, oblique/italic, and
57: * normal (roman). The following table hard-codes the font metrics for
58: * ASCII, i.e., 32--127.
59: */
60:
61: static const struct font fonts[TERMFONT__MAX] = {
1.6 schwarze 62: { "Times-Roman", {
63: { 250 },
64: { 333 },
65: { 408 },
66: { 500 },
67: { 500 },
68: { 833 },
69: { 778 },
70: { 333 },
71: { 333 },
72: { 333 },
73: { 500 },
74: { 564 },
75: { 250 },
76: { 333 },
77: { 250 },
78: { 278 },
79: { 500 },
80: { 500 },
81: { 500 },
82: { 500 },
83: { 500 },
84: { 500 },
85: { 500 },
86: { 500 },
87: { 500 },
88: { 500 },
89: { 278 },
90: { 278 },
91: { 564 },
92: { 564 },
93: { 564 },
94: { 444 },
95: { 921 },
96: { 722 },
97: { 667 },
98: { 667 },
99: { 722 },
100: { 611 },
101: { 556 },
102: { 722 },
103: { 722 },
104: { 333 },
105: { 389 },
106: { 722 },
107: { 611 },
108: { 889 },
109: { 722 },
110: { 722 },
111: { 556 },
112: { 722 },
113: { 667 },
114: { 556 },
115: { 611 },
116: { 722 },
117: { 722 },
118: { 944 },
119: { 722 },
120: { 722 },
121: { 611 },
122: { 333 },
123: { 278 },
124: { 333 },
125: { 469 },
126: { 500 },
127: { 333 },
128: { 444 },
129: { 500 },
130: { 444 },
131: { 500},
132: { 444},
133: { 333},
134: { 500},
135: { 500},
136: { 278},
137: { 278},
138: { 500},
139: { 278},
140: { 778},
141: { 500},
142: { 500},
143: { 500},
144: { 500},
145: { 333},
146: { 389},
147: { 278},
148: { 500},
149: { 500},
150: { 722},
151: { 500},
152: { 500},
153: { 444},
154: { 480},
155: { 200},
156: { 480},
157: { 541},
1.4 schwarze 158: } },
1.6 schwarze 159: { "Times-Bold", {
160: { 250 },
161: { 333 },
162: { 555 },
163: { 500 },
164: { 500 },
165: { 1000 },
166: { 833 },
167: { 333 },
168: { 333 },
169: { 333 },
170: { 500 },
171: { 570 },
172: { 250 },
173: { 333 },
174: { 250 },
175: { 278 },
176: { 500 },
177: { 500 },
178: { 500 },
179: { 500 },
180: { 500 },
181: { 500 },
182: { 500 },
183: { 500 },
184: { 500 },
185: { 500 },
186: { 333 },
187: { 333 },
188: { 570 },
189: { 570 },
190: { 570 },
191: { 500 },
192: { 930 },
193: { 722 },
194: { 667 },
195: { 722 },
196: { 722 },
197: { 667 },
198: { 611 },
199: { 778 },
200: { 778 },
201: { 389 },
202: { 500 },
203: { 778 },
204: { 667 },
205: { 944 },
206: { 722 },
207: { 778 },
208: { 611 },
209: { 778 },
210: { 722 },
211: { 556 },
212: { 667 },
213: { 722 },
214: { 722 },
215: { 1000 },
216: { 722 },
217: { 722 },
218: { 667 },
219: { 333 },
220: { 278 },
221: { 333 },
222: { 581 },
223: { 500 },
224: { 333 },
225: { 500 },
226: { 556 },
227: { 444 },
228: { 556 },
229: { 444 },
230: { 333 },
231: { 500 },
232: { 556 },
233: { 278 },
234: { 333 },
235: { 556 },
236: { 278 },
237: { 833 },
238: { 556 },
239: { 500 },
240: { 556 },
241: { 556 },
242: { 444 },
243: { 389 },
244: { 333 },
245: { 556 },
246: { 500 },
247: { 722 },
248: { 500 },
249: { 500 },
250: { 444 },
251: { 394 },
252: { 220 },
253: { 394 },
254: { 520 },
1.4 schwarze 255: } },
1.6 schwarze 256: { "Times-Italic", {
257: { 250 },
258: { 333 },
259: { 420 },
260: { 500 },
261: { 500 },
262: { 833 },
263: { 778 },
264: { 333 },
265: { 333 },
266: { 333 },
267: { 500 },
268: { 675 },
269: { 250 },
270: { 333 },
271: { 250 },
272: { 278 },
273: { 500 },
274: { 500 },
275: { 500 },
276: { 500 },
277: { 500 },
278: { 500 },
279: { 500 },
280: { 500 },
281: { 500 },
282: { 500 },
283: { 333 },
284: { 333 },
285: { 675 },
286: { 675 },
287: { 675 },
288: { 500 },
289: { 920 },
290: { 611 },
291: { 611 },
292: { 667 },
293: { 722 },
294: { 611 },
295: { 611 },
296: { 722 },
297: { 722 },
298: { 333 },
299: { 444 },
300: { 667 },
301: { 556 },
302: { 833 },
303: { 667 },
304: { 722 },
305: { 611 },
306: { 722 },
307: { 611 },
308: { 500 },
309: { 556 },
310: { 722 },
311: { 611 },
312: { 833 },
313: { 611 },
314: { 556 },
315: { 556 },
316: { 389 },
317: { 278 },
318: { 389 },
319: { 422 },
320: { 500 },
321: { 333 },
322: { 500 },
323: { 500 },
324: { 444 },
325: { 500 },
326: { 444 },
327: { 278 },
328: { 500 },
329: { 500 },
330: { 278 },
331: { 278 },
332: { 444 },
333: { 278 },
334: { 722 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 389 },
340: { 389 },
341: { 278 },
342: { 500 },
343: { 444 },
344: { 667 },
345: { 444 },
346: { 444 },
347: { 389 },
348: { 400 },
349: { 275 },
350: { 400 },
351: { 541 },
1.4 schwarze 352: } },
353: };
354:
355: /* These work the buffer used by the header and footer. */
1.1 schwarze 356: #define PS_BUFSLOP 128
357:
1.9 schwarze 358: static void
359: ps_growbuf(struct termp *p, size_t sz)
360: {
361: if (p->engine.ps.psmargcur + sz <= p->engine.ps.psmargsz)
362: return;
363:
364: if (sz < PS_BUFSLOP)
365: sz = PS_BUFSLOP;
366:
367: p->engine.ps.psmargsz += sz;
368:
369: p->engine.ps.psmarg = realloc
370: (p->engine.ps.psmarg,
371: p->engine.ps.psmargsz);
372:
373: if (NULL == p->engine.ps.psmarg) {
374: perror(NULL);
1.10 ! schwarze 375: exit(MANDOCLEVEL_SYSERR);
1.9 schwarze 376: }
377: }
1.2 schwarze 378:
1.6 schwarze 379: static double ps_hspan(const struct termp *,
380: const struct roffsu *);
381: static size_t ps_width(const struct termp *, char);
382: static void ps_advance(struct termp *, size_t);
1.1 schwarze 383: static void ps_begin(struct termp *);
1.7 schwarze 384: static void ps_closepage(struct termp *);
1.1 schwarze 385: static void ps_end(struct termp *);
386: static void ps_endline(struct termp *);
1.2 schwarze 387: static void ps_fclose(struct termp *);
1.6 schwarze 388: static void ps_letter(struct termp *, char);
1.2 schwarze 389: static void ps_pclose(struct termp *);
1.4 schwarze 390: static void ps_pletter(struct termp *, int);
1.1 schwarze 391: static void ps_printf(struct termp *, const char *, ...);
392: static void ps_putchar(struct termp *, char);
1.2 schwarze 393: static void ps_setfont(struct termp *, enum termfont);
1.7 schwarze 394: static struct termp *pspdf_alloc(char *);
1.8 schwarze 395: static void pdf_obj(struct termp *, size_t);
1.7 schwarze 396:
397:
398: void *
399: pdf_alloc(char *outopts)
400: {
401: struct termp *p;
402:
1.8 schwarze 403: if (NULL != (p = pspdf_alloc(outopts)))
404: p->type = TERMTYPE_PDF;
1.7 schwarze 405:
406: return(p);
407: }
1.1 schwarze 408:
409:
410: void *
1.5 schwarze 411: ps_alloc(char *outopts)
1.1 schwarze 412: {
413: struct termp *p;
1.7 schwarze 414:
1.8 schwarze 415: if (NULL != (p = pspdf_alloc(outopts)))
416: p->type = TERMTYPE_PS;
1.7 schwarze 417:
418: return(p);
419: }
420:
421:
422: static struct termp *
423: pspdf_alloc(char *outopts)
424: {
425: struct termp *p;
1.6 schwarze 426: size_t pagex, pagey, marginx, marginy, lineheight;
1.5 schwarze 427: const char *toks[2];
1.6 schwarze 428: const char *pp;
1.5 schwarze 429: char *v;
1.1 schwarze 430:
431: if (NULL == (p = term_alloc(TERMENC_ASCII)))
432: return(NULL);
433:
1.6 schwarze 434: p->advance = ps_advance;
1.1 schwarze 435: p->begin = ps_begin;
436: p->end = ps_end;
437: p->endline = ps_endline;
1.6 schwarze 438: p->hspan = ps_hspan;
439: p->letter = ps_letter;
1.3 schwarze 440: p->width = ps_width;
1.6 schwarze 441:
1.5 schwarze 442: toks[0] = "paper";
443: toks[1] = NULL;
444:
1.6 schwarze 445: pp = NULL;
446:
1.5 schwarze 447: while (outopts && *outopts)
448: switch (getsubopt(&outopts, UNCONST(toks), &v)) {
449: case (0):
1.6 schwarze 450: pp = v;
1.5 schwarze 451: break;
452: default:
453: break;
454: }
1.4 schwarze 455:
1.6 schwarze 456: /* Default to US letter (millimetres). */
457:
458: pagex = 216;
459: pagey = 279;
460:
461: /*
462: * The ISO-269 paper sizes can be calculated automatically, but
463: * it would require bringing in -lm for pow() and I'd rather not
464: * do that. So just do it the easy way for now. Since this
465: * only happens once, I'm not terribly concerned.
466: */
467:
468: if (pp && strcasecmp(pp, "letter")) {
469: if (0 == strcasecmp(pp, "a3")) {
470: pagex = 297;
471: pagey = 420;
472: } else if (0 == strcasecmp(pp, "a4")) {
473: pagex = 210;
474: pagey = 297;
475: } else if (0 == strcasecmp(pp, "a5")) {
476: pagex = 148;
477: pagey = 210;
478: } else if (0 == strcasecmp(pp, "legal")) {
479: pagex = 216;
480: pagey = 356;
481: } else if (2 != sscanf(pp, "%zux%zu", &pagex, &pagey))
482: fprintf(stderr, "%s: Unknown paper\n", pp);
483: } else if (NULL == pp)
484: pp = "letter";
485:
486: /*
487: * This MUST be defined before any PNT2AFM or AFM2PNT
488: * calculations occur.
489: */
490:
491: p->engine.ps.scale = 11;
492:
493: /* Remember millimetres -> AFM units. */
494:
495: pagex = PNT2AFM(p, ((double)pagex * 2.834));
496: pagey = PNT2AFM(p, ((double)pagey * 2.834));
497:
498: /* Margins are 1/9 the page x and y. */
499:
500: marginx = /* LINTED */
501: (size_t)((double)pagex / 9.0);
502: marginy = /* LINTED */
503: (size_t)((double)pagey / 9.0);
504:
505: /* Line-height is 1.4em. */
506:
507: lineheight = PNT2AFM(p, ((double)p->engine.ps.scale * 1.4));
1.4 schwarze 508:
509: p->engine.ps.width = pagex;
510: p->engine.ps.height = pagey;
1.6 schwarze 511: p->engine.ps.header = pagey - (marginy / 2) - (lineheight / 2);
512: p->engine.ps.top = pagey - marginy;
513: p->engine.ps.footer = (marginy / 2) - (lineheight / 2);
514: p->engine.ps.bottom = marginy;
515: p->engine.ps.left = marginx;
516: p->engine.ps.lineheight = lineheight;
1.4 schwarze 517:
1.6 schwarze 518: p->defrmargin = pagex - (marginx * 2);
1.1 schwarze 519: return(p);
520: }
521:
522:
523: void
1.7 schwarze 524: pspdf_free(void *arg)
1.1 schwarze 525: {
526: struct termp *p;
527:
528: p = (struct termp *)arg;
529:
530: if (p->engine.ps.psmarg)
531: free(p->engine.ps.psmarg);
1.8 schwarze 532: if (p->engine.ps.pdfobjs)
533: free(p->engine.ps.pdfobjs);
1.1 schwarze 534:
535: term_free(p);
536: }
537:
538:
539: static void
540: ps_printf(struct termp *p, const char *fmt, ...)
541: {
542: va_list ap;
1.7 schwarze 543: int pos, len;
1.1 schwarze 544:
545: va_start(ap, fmt);
546:
547: /*
548: * If we're running in regular mode, then pipe directly into
549: * vprintf(). If we're processing margins, then push the data
550: * into our growable margin buffer.
551: */
552:
1.6 schwarze 553: if ( ! (PS_MARGINS & p->engine.ps.flags)) {
1.7 schwarze 554: len = vprintf(fmt, ap);
1.1 schwarze 555: va_end(ap);
1.7 schwarze 556: p->engine.ps.pdfbytes += /* LINTED */
557: len < 0 ? 0 : (size_t)len;
1.1 schwarze 558: return;
559: }
560:
561: /*
562: * XXX: I assume that the in-margin print won't exceed
563: * PS_BUFSLOP (128 bytes), which is reasonable but still an
564: * assumption that will cause pukeage if it's not the case.
565: */
566:
1.9 schwarze 567: ps_growbuf(p, PS_BUFSLOP);
1.1 schwarze 568:
569: pos = (int)p->engine.ps.psmargcur;
1.7 schwarze 570: len = vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap);
1.1 schwarze 571:
572: va_end(ap);
1.7 schwarze 573:
574: p->engine.ps.psmargcur = strlen(p->engine.ps.psmarg);
1.1 schwarze 575: }
576:
577:
578: static void
579: ps_putchar(struct termp *p, char c)
580: {
581: int pos;
582:
583: /* See ps_printf(). */
584:
1.6 schwarze 585: if ( ! (PS_MARGINS & p->engine.ps.flags)) {
1.1 schwarze 586: putchar(c);
1.7 schwarze 587: p->engine.ps.pdfbytes++;
1.1 schwarze 588: return;
589: }
590:
1.9 schwarze 591: ps_growbuf(p, 2);
1.1 schwarze 592:
593: pos = (int)p->engine.ps.psmargcur++;
594: p->engine.ps.psmarg[pos++] = c;
595: p->engine.ps.psmarg[pos] = '\0';
596: }
597:
598:
1.7 schwarze 599: static void
1.8 schwarze 600: pdf_obj(struct termp *p, size_t obj)
601: {
602:
603: assert(obj > 0);
604:
605: if ((obj - 1) >= p->engine.ps.pdfobjsz) {
606: p->engine.ps.pdfobjsz = obj + 128;
607: p->engine.ps.pdfobjs = realloc
608: (p->engine.ps.pdfobjs,
609: p->engine.ps.pdfobjsz * sizeof(size_t));
610: if (NULL == p->engine.ps.pdfobjs) {
611: perror(NULL);
1.10 ! schwarze 612: exit(MANDOCLEVEL_SYSERR);
1.8 schwarze 613: }
614: }
615:
616: p->engine.ps.pdfobjs[(int)obj - 1] = p->engine.ps.pdfbytes;
617: ps_printf(p, "%zu 0 obj\n", obj);
618: }
619:
620:
621: static void
1.7 schwarze 622: ps_closepage(struct termp *p)
623: {
624: int i;
1.8 schwarze 625: size_t len, base;
626:
627: /*
628: * Close out a page that we've already flushed to output. In
629: * PostScript, we simply note that the page must be showed. In
630: * PDF, we must now create the Length, Resource, and Page node
631: * for the page contents.
632: */
1.7 schwarze 633:
634: assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
635: ps_printf(p, "%s", p->engine.ps.psmarg);
636:
1.8 schwarze 637: if (TERMTYPE_PS != p->type) {
1.7 schwarze 638: ps_printf(p, "ET\n");
1.8 schwarze 639:
1.7 schwarze 640: len = p->engine.ps.pdfbytes - p->engine.ps.pdflastpg;
1.8 schwarze 641: base = p->engine.ps.pages * 4 + p->engine.ps.pdfbody;
642:
643: ps_printf(p, "endstream\nendobj\n");
644:
645: /* Length of content. */
646: pdf_obj(p, base + 1);
647: ps_printf(p, "%zu\nendobj\n", len);
648:
649: /* Resource for content. */
650: pdf_obj(p, base + 2);
651: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.7 schwarze 652: ps_printf(p, "/Font <<\n");
653: for (i = 0; i < (int)TERMFONT__MAX; i++)
654: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.8 schwarze 655: ps_printf(p, ">>\n>>\n");
656:
657: /* Page node. */
658: pdf_obj(p, base + 3);
1.7 schwarze 659: ps_printf(p, "<<\n");
660: ps_printf(p, "/Type /Page\n");
661: ps_printf(p, "/Parent 2 0 R\n");
1.8 schwarze 662: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
663: ps_printf(p, "/Contents %zu 0 R\n", base);
664: ps_printf(p, ">>\nendobj\n");
665: } else
666: ps_printf(p, "showpage\n");
1.7 schwarze 667:
668: p->engine.ps.pages++;
669: p->engine.ps.psrow = p->engine.ps.top;
670: assert( ! (PS_NEWPAGE & p->engine.ps.flags));
671: p->engine.ps.flags |= PS_NEWPAGE;
672: }
673:
674:
1.1 schwarze 675: /* ARGSUSED */
676: static void
677: ps_end(struct termp *p)
678: {
1.8 schwarze 679: size_t i, xref, base;
1.1 schwarze 680:
681: /*
682: * At the end of the file, do one last showpage. This is the
683: * same behaviour as groff(1) and works for multiple pages as
684: * well as just one.
685: */
686:
1.6 schwarze 687: if ( ! (PS_NEWPAGE & p->engine.ps.flags)) {
688: assert(0 == p->engine.ps.flags);
689: assert('\0' == p->engine.ps.last);
1.7 schwarze 690: ps_closepage(p);
1.6 schwarze 691: }
1.4 schwarze 692:
1.7 schwarze 693: if (TERMTYPE_PS == p->type) {
694: ps_printf(p, "%%%%Trailer\n");
695: ps_printf(p, "%%%%Pages: %zu\n", p->engine.ps.pages);
696: ps_printf(p, "%%%%EOF\n");
697: return;
698: }
699:
1.8 schwarze 700: pdf_obj(p, 2);
701: ps_printf(p, "<<\n/Type /Pages\n");
1.7 schwarze 702: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
703: (size_t)AFM2PNT(p, p->engine.ps.width),
704: (size_t)AFM2PNT(p, p->engine.ps.height));
705:
706: ps_printf(p, "/Count %zu\n", p->engine.ps.pages);
707: ps_printf(p, "/Kids [");
708:
709: for (i = 0; i < p->engine.ps.pages; i++)
1.8 schwarze 710: ps_printf(p, " %zu 0 R", i * 4 +
711: p->engine.ps.pdfbody + 3);
712:
713: base = (p->engine.ps.pages - 1) * 4 +
714: p->engine.ps.pdfbody + 4;
715:
716: ps_printf(p, "]\n>>\nendobj\n");
717: pdf_obj(p, base);
1.7 schwarze 718: ps_printf(p, "<<\n");
719: ps_printf(p, "/Type /Catalog\n");
720: ps_printf(p, "/Pages 2 0 R\n");
721: ps_printf(p, ">>\n");
722: xref = p->engine.ps.pdfbytes;
723: ps_printf(p, "xref\n");
1.8 schwarze 724: ps_printf(p, "0 %zu\n", base + 1);
725: ps_printf(p, "0000000000 65535 f \n");
726:
727: for (i = 0; i < base; i++)
728: ps_printf(p, "%.10zu 00000 n \n",
729: p->engine.ps.pdfobjs[(int)i]);
730:
1.7 schwarze 731: ps_printf(p, "trailer\n");
732: ps_printf(p, "<<\n");
1.8 schwarze 733: ps_printf(p, "/Size %zu\n", base + 1);
734: ps_printf(p, "/Root %zu 0 R\n", base);
1.7 schwarze 735: ps_printf(p, "/Info 1 0 R\n");
736: ps_printf(p, ">>\n");
737: ps_printf(p, "startxref\n");
738: ps_printf(p, "%zu\n", xref);
739: ps_printf(p, "%%%%EOF\n");
1.1 schwarze 740: }
741:
742:
743: static void
744: ps_begin(struct termp *p)
745: {
1.4 schwarze 746: time_t t;
747: int i;
1.1 schwarze 748:
1.2 schwarze 749: /*
750: * Print margins into margin buffer. Nothing gets output to the
751: * screen yet, so we don't need to initialise the primary state.
1.1 schwarze 752: */
753:
754: if (p->engine.ps.psmarg) {
755: assert(p->engine.ps.psmargsz);
756: p->engine.ps.psmarg[0] = '\0';
757: }
758:
1.8 schwarze 759: /*p->engine.ps.pdfbytes = 0;*/
1.1 schwarze 760: p->engine.ps.psmargcur = 0;
1.6 schwarze 761: p->engine.ps.flags = PS_MARGINS;
1.4 schwarze 762: p->engine.ps.pscol = p->engine.ps.left;
763: p->engine.ps.psrow = p->engine.ps.header;
1.1 schwarze 764:
1.2 schwarze 765: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 766:
767: (*p->headf)(p, p->argf);
768: (*p->endline)(p);
769:
1.4 schwarze 770: p->engine.ps.pscol = p->engine.ps.left;
771: p->engine.ps.psrow = p->engine.ps.footer;
1.1 schwarze 772:
773: (*p->footf)(p, p->argf);
774: (*p->endline)(p);
775:
1.6 schwarze 776: p->engine.ps.flags &= ~PS_MARGINS;
1.2 schwarze 777:
1.6 schwarze 778: assert(0 == p->engine.ps.flags);
1.2 schwarze 779: assert(p->engine.ps.psmarg);
780: assert('\0' != p->engine.ps.psmarg[0]);
1.1 schwarze 781:
1.2 schwarze 782: /*
783: * Print header and initialise page state. Following this,
784: * stuff gets printed to the screen, so make sure we're sane.
785: */
786:
1.4 schwarze 787: t = time(NULL);
788:
1.7 schwarze 789: if (TERMTYPE_PS == p->type) {
790: ps_printf(p, "%%!PS-Adobe-3.0\n");
791: ps_printf(p, "%%%%Creator: mandoc-%s\n", VERSION);
792: ps_printf(p, "%%%%CreationDate: %s", ctime(&t));
793: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
794: ps_printf(p, "%%%%Orientation: Portrait\n");
795: ps_printf(p, "%%%%Pages: (atend)\n");
796: ps_printf(p, "%%%%PageOrder: Ascend\n");
797: ps_printf(p, "%%%%DocumentMedia: "
798: "Default %zu %zu 0 () ()\n",
799: (size_t)AFM2PNT(p, p->engine.ps.width),
800: (size_t)AFM2PNT(p, p->engine.ps.height));
801: ps_printf(p, "%%%%DocumentNeededResources: font");
1.4 schwarze 802:
1.7 schwarze 803: for (i = 0; i < (int)TERMFONT__MAX; i++)
804: ps_printf(p, " %s", fonts[i].name);
805:
806: ps_printf(p, "\n%%%%EndComments\n");
807: } else {
808: ps_printf(p, "%%PDF-1.1\n");
1.8 schwarze 809: pdf_obj(p, 1);
1.7 schwarze 810: ps_printf(p, "<<\n");
811: ps_printf(p, "/Creator mandoc-%s\n", VERSION);
812: ps_printf(p, ">>\n");
813: ps_printf(p, "endobj\n");
814:
815: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.8 schwarze 816: pdf_obj(p, (size_t)i + 3);
1.7 schwarze 817: ps_printf(p, "<<\n");
818: ps_printf(p, "/Type /Font\n");
819: ps_printf(p, "/Subtype /Type1\n");
820: ps_printf(p, "/Name /F%zu\n", i);
821: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
822: ps_printf(p, ">>\n");
823: }
824: }
825:
826: p->engine.ps.pdfbody = (size_t)TERMFONT__MAX + 3;
1.4 schwarze 827: p->engine.ps.pscol = p->engine.ps.left;
828: p->engine.ps.psrow = p->engine.ps.top;
1.6 schwarze 829: p->engine.ps.flags |= PS_NEWPAGE;
830: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 831: }
832:
833:
834: static void
1.4 schwarze 835: ps_pletter(struct termp *p, int c)
1.1 schwarze 836: {
1.4 schwarze 837: int f;
1.6 schwarze 838:
839: /*
840: * If we haven't opened a page context, then output that we're
841: * in a new page and make sure the font is correctly set.
842: */
843:
844: if (PS_NEWPAGE & p->engine.ps.flags) {
1.7 schwarze 845: if (TERMTYPE_PS == p->type) {
846: ps_printf(p, "%%%%Page: %zu %zu\n",
847: p->engine.ps.pages + 1,
848: p->engine.ps.pages + 1);
849: ps_printf(p, "/%s %zu selectfont\n",
850: fonts[(int)p->engine.ps.lastf].name,
851: p->engine.ps.scale);
852: } else {
1.8 schwarze 853: pdf_obj(p, p->engine.ps.pdfbody +
854: p->engine.ps.pages * 4);
1.7 schwarze 855: ps_printf(p, "<<\n");
856: ps_printf(p, "/Length %zu 0 R\n",
1.8 schwarze 857: p->engine.ps.pdfbody + 1 +
858: p->engine.ps.pages * 4);
1.7 schwarze 859: ps_printf(p, ">>\nstream\n");
860: }
861: p->engine.ps.pdflastpg = p->engine.ps.pdfbytes;
1.6 schwarze 862: p->engine.ps.flags &= ~PS_NEWPAGE;
863: }
1.1 schwarze 864:
1.2 schwarze 865: /*
866: * If we're not in a PostScript "word" context, then open one
867: * now at the current cursor.
868: */
869:
1.6 schwarze 870: if ( ! (PS_INLINE & p->engine.ps.flags)) {
1.7 schwarze 871: if (TERMTYPE_PS != p->type) {
872: ps_printf(p, "BT\n/F%d %zu Tf\n",
873: (int)p->engine.ps.lastf,
874: p->engine.ps.scale);
875: ps_printf(p, "%.3f %.3f Td\n(",
876: AFM2PNT(p, p->engine.ps.pscol),
877: AFM2PNT(p, p->engine.ps.psrow));
878: } else
879: ps_printf(p, "%.3f %.3f moveto\n(",
880: AFM2PNT(p, p->engine.ps.pscol),
881: AFM2PNT(p, p->engine.ps.psrow));
1.6 schwarze 882: p->engine.ps.flags |= PS_INLINE;
1.1 schwarze 883: }
884:
1.6 schwarze 885: assert( ! (PS_NEWPAGE & p->engine.ps.flags));
886:
1.1 schwarze 887: /*
888: * We need to escape these characters as per the PostScript
889: * specification. We would also escape non-graphable characters
890: * (like tabs), but none of them would get to this point and
891: * it's superfluous to abort() on them.
892: */
893:
894: switch (c) {
895: case ('('):
896: /* FALLTHROUGH */
897: case (')'):
898: /* FALLTHROUGH */
899: case ('\\'):
900: ps_putchar(p, '\\');
901: break;
902: default:
903: break;
904: }
905:
906: /* Write the character and adjust where we are on the page. */
1.2 schwarze 907:
1.4 schwarze 908: f = (int)p->engine.ps.lastf;
909:
910: if (c <= 32 || (c - 32 > MAXCHAR)) {
911: ps_putchar(p, ' ');
1.7 schwarze 912: p->engine.ps.pscol += (size_t)fonts[f].gly[0].wx;
1.4 schwarze 913: return;
914: }
915:
1.6 schwarze 916: ps_putchar(p, (char)c);
1.4 schwarze 917: c -= 32;
1.7 schwarze 918: p->engine.ps.pscol += (size_t)fonts[f].gly[c].wx;
1.1 schwarze 919: }
920:
921:
922: static void
1.2 schwarze 923: ps_pclose(struct termp *p)
924: {
925:
926: /*
927: * Spit out that we're exiting a word context (this is a
928: * "partial close" because we don't check the last-char buffer
929: * or anything).
930: */
931:
1.6 schwarze 932: if ( ! (PS_INLINE & p->engine.ps.flags))
1.2 schwarze 933: return;
934:
1.7 schwarze 935: if (TERMTYPE_PS != p->type) {
936: ps_printf(p, ") Tj\nET\n");
937: } else
938: ps_printf(p, ") show\n");
939:
1.6 schwarze 940: p->engine.ps.flags &= ~PS_INLINE;
1.2 schwarze 941: }
942:
943:
944: static void
945: ps_fclose(struct termp *p)
946: {
947:
948: /*
949: * Strong closure: if we have a last-char, spit it out after
950: * checking that we're in the right font mode. This will of
951: * course open a new scope, if applicable.
952: *
953: * Following this, close out any scope that's open.
954: */
955:
956: if ('\0' != p->engine.ps.last) {
957: if (p->engine.ps.lastf != TERMFONT_NONE) {
958: ps_pclose(p);
959: ps_setfont(p, TERMFONT_NONE);
960: }
961: ps_pletter(p, p->engine.ps.last);
962: p->engine.ps.last = '\0';
963: }
964:
1.6 schwarze 965: if ( ! (PS_INLINE & p->engine.ps.flags))
1.2 schwarze 966: return;
967:
968: ps_pclose(p);
969: }
970:
971:
972: static void
973: ps_letter(struct termp *p, char c)
974: {
975: char cc;
976:
977: /*
978: * State machine dictates whether to buffer the last character
979: * or not. Basically, encoded words are detected by checking if
980: * we're an "8" and switching on the buffer. Then we put "8" in
981: * our buffer, and on the next charater, flush both character
982: * and buffer. Thus, "regular" words are detected by having a
983: * regular character and a regular buffer character.
984: */
985:
986: if ('\0' == p->engine.ps.last) {
987: assert(8 != c);
988: p->engine.ps.last = c;
989: return;
990: } else if (8 == p->engine.ps.last) {
991: assert(8 != c);
992: p->engine.ps.last = '\0';
993: } else if (8 == c) {
994: assert(8 != p->engine.ps.last);
995: if ('_' == p->engine.ps.last) {
996: if (p->engine.ps.lastf != TERMFONT_UNDER) {
997: ps_pclose(p);
998: ps_setfont(p, TERMFONT_UNDER);
999: }
1000: } else if (p->engine.ps.lastf != TERMFONT_BOLD) {
1001: ps_pclose(p);
1002: ps_setfont(p, TERMFONT_BOLD);
1003: }
1004: p->engine.ps.last = c;
1005: return;
1006: } else {
1007: if (p->engine.ps.lastf != TERMFONT_NONE) {
1008: ps_pclose(p);
1009: ps_setfont(p, TERMFONT_NONE);
1010: }
1011: cc = p->engine.ps.last;
1012: p->engine.ps.last = c;
1013: c = cc;
1014: }
1015:
1016: ps_pletter(p, c);
1017: }
1018:
1019:
1020: static void
1.1 schwarze 1021: ps_advance(struct termp *p, size_t len)
1022: {
1023:
1.2 schwarze 1024: /*
1025: * Advance some spaces. This can probably be made smarter,
1026: * i.e., to have multiple space-separated words in the same
1027: * scope, but this is easier: just close out the current scope
1028: * and readjust our column settings.
1029: */
1.1 schwarze 1030:
1.2 schwarze 1031: ps_fclose(p);
1.4 schwarze 1032: p->engine.ps.pscol += len;
1.1 schwarze 1033: }
1034:
1035:
1036: static void
1037: ps_endline(struct termp *p)
1038: {
1039:
1.2 schwarze 1040: /* Close out any scopes we have open: we're at eoln. */
1041:
1042: ps_fclose(p);
1043:
1044: /*
1045: * If we're in the margin, don't try to recalculate our current
1046: * row. XXX: if the column tries to be fancy with multiple
1047: * lines, we'll do nasty stuff.
1048: */
1.1 schwarze 1049:
1.6 schwarze 1050: if (PS_MARGINS & p->engine.ps.flags)
1051: return;
1052:
1053: /* Left-justify. */
1054:
1055: p->engine.ps.pscol = p->engine.ps.left;
1056:
1057: /* If we haven't printed anything, return. */
1058:
1059: if (PS_NEWPAGE & p->engine.ps.flags)
1.1 schwarze 1060: return;
1061:
1.2 schwarze 1062: /*
1063: * Put us down a line. If we're at the page bottom, spit out a
1064: * showpage and restart our row.
1065: */
1066:
1.4 schwarze 1067: if (p->engine.ps.psrow >= p->engine.ps.lineheight +
1068: p->engine.ps.bottom) {
1069: p->engine.ps.psrow -= p->engine.ps.lineheight;
1.1 schwarze 1070: return;
1071: }
1072:
1.7 schwarze 1073: ps_closepage(p);
1.1 schwarze 1074: }
1.2 schwarze 1075:
1076:
1077: static void
1078: ps_setfont(struct termp *p, enum termfont f)
1079: {
1080:
1.4 schwarze 1081: assert(f < TERMFONT__MAX);
1.2 schwarze 1082: p->engine.ps.lastf = f;
1.6 schwarze 1083:
1084: /*
1085: * If we're still at the top of the page, let the font-setting
1086: * be delayed until we actually have stuff to print.
1087: */
1088:
1089: if (PS_NEWPAGE & p->engine.ps.flags)
1090: return;
1091:
1.7 schwarze 1092: if (TERMTYPE_PS == p->type)
1093: ps_printf(p, "/%s %zu selectfont\n",
1094: fonts[(int)f].name,
1095: p->engine.ps.scale);
1096: else
1097: ps_printf(p, "/F%d %zu Tf\n",
1098: (int)f,
1099: p->engine.ps.scale);
1.2 schwarze 1100: }
1101:
1.3 schwarze 1102:
1.4 schwarze 1103: /* ARGSUSED */
1.3 schwarze 1104: static size_t
1105: ps_width(const struct termp *p, char c)
1106: {
1107:
1.4 schwarze 1108: if (c <= 32 || c - 32 >= MAXCHAR)
1.7 schwarze 1109: return((size_t)fonts[(int)TERMFONT_NONE].gly[0].wx);
1.4 schwarze 1110:
1111: c -= 32;
1.7 schwarze 1112: return((size_t)fonts[(int)TERMFONT_NONE].gly[(int)c].wx);
1.6 schwarze 1113: }
1114:
1115:
1116: static double
1117: ps_hspan(const struct termp *p, const struct roffsu *su)
1118: {
1119: double r;
1120:
1121: /*
1122: * All of these measurements are derived by converting from the
1123: * native measurement to AFM units.
1124: */
1125:
1126: switch (su->unit) {
1127: case (SCALE_CM):
1128: r = PNT2AFM(p, su->scale * 28.34);
1129: break;
1130: case (SCALE_IN):
1131: r = PNT2AFM(p, su->scale * 72);
1132: break;
1133: case (SCALE_PC):
1134: r = PNT2AFM(p, su->scale * 12);
1135: break;
1136: case (SCALE_PT):
1137: r = PNT2AFM(p, su->scale * 100);
1138: break;
1139: case (SCALE_EM):
1.7 schwarze 1140: r = su->scale *
1.6 schwarze 1141: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1142: break;
1143: case (SCALE_MM):
1144: r = PNT2AFM(p, su->scale * 2.834);
1145: break;
1146: case (SCALE_EN):
1.7 schwarze 1147: r = su->scale *
1.6 schwarze 1148: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1149: break;
1150: case (SCALE_VS):
1151: r = su->scale * p->engine.ps.lineheight;
1152: break;
1153: default:
1154: r = su->scale;
1155: break;
1156: }
1157:
1158: return(r);
1.3 schwarze 1159: }
1.6 schwarze 1160: