Annotation of src/usr.bin/mandoc/term_ps.c, Revision 1.53
1.53 ! schwarze 1: /* $OpenBSD: term_ps.c,v 1.52 2017/10/26 18:11:13 schwarze Exp $ */
1.1 schwarze 2: /*
1.17 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.48 schwarze 4: * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
1.38 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.38 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.11 deraadt 18: #include <sys/types.h>
1.1 schwarze 19:
20: #include <assert.h>
1.41 schwarze 21: #include <err.h>
1.1 schwarze 22: #include <stdarg.h>
1.5 schwarze 23: #include <stdint.h>
1.1 schwarze 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
1.6 schwarze 27: #include <unistd.h>
1.1 schwarze 28:
1.21 schwarze 29: #include "mandoc_aux.h"
1.1 schwarze 30: #include "out.h"
1.35 schwarze 31: #include "term.h"
1.38 schwarze 32: #include "manconf.h"
1.1 schwarze 33: #include "main.h"
34:
1.17 schwarze 35: /* These work the buffer used by the header and footer. */
36: #define PS_BUFSLOP 128
37:
1.6 schwarze 38: /* Convert PostScript point "x" to an AFM unit. */
1.24 schwarze 39: #define PNT2AFM(p, x) \
1.17 schwarze 40: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.6 schwarze 41:
42: /* Convert an AFM unit "x" to a PostScript points */
1.24 schwarze 43: #define AFM2PNT(p, x) \
1.17 schwarze 44: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.6 schwarze 45:
1.4 schwarze 46: struct glyph {
1.7 schwarze 47: unsigned short wx; /* WX in AFM */
1.4 schwarze 48: };
49:
50: struct font {
51: const char *name; /* FontName in AFM */
52: #define MAXCHAR 95 /* total characters we can handle */
53: struct glyph gly[MAXCHAR]; /* glyph metrics */
54: };
1.1 schwarze 55:
1.17 schwarze 56: struct termp_ps {
57: int flags;
58: #define PS_INLINE (1 << 0) /* we're in a word */
59: #define PS_MARGINS (1 << 1) /* we're in the margins */
60: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.32 schwarze 61: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.17 schwarze 62: size_t pscol; /* visible column (AFM units) */
1.37 schwarze 63: size_t pscolnext; /* used for overstrike */
1.17 schwarze 64: size_t psrow; /* visible row (AFM units) */
65: char *psmarg; /* margin buf */
66: size_t psmargsz; /* margin buf size */
67: size_t psmargcur; /* cur index in margin buf */
1.32 schwarze 68: char last; /* last non-backspace seen */
1.17 schwarze 69: enum termfont lastf; /* last set font */
1.29 schwarze 70: enum termfont nextf; /* building next font here */
1.17 schwarze 71: size_t scale; /* font scaling factor */
72: size_t pages; /* number of pages shown */
73: size_t lineheight; /* line height (AFM units) */
74: size_t top; /* body top (AFM units) */
75: size_t bottom; /* body bottom (AFM units) */
1.53 ! schwarze 76: const char *medianame; /* for DocumentMedia and PageSize */
1.17 schwarze 77: size_t height; /* page height (AFM units */
78: size_t width; /* page width (AFM units) */
1.22 schwarze 79: size_t lastwidth; /* page width before last ll */
1.17 schwarze 80: size_t left; /* body left (AFM units) */
81: size_t header; /* header pos (AFM units) */
82: size_t footer; /* footer pos (AFM units) */
1.24 schwarze 83: size_t pdfbytes; /* current output byte */
1.17 schwarze 84: size_t pdflastpg; /* byte of last page mark */
85: size_t pdfbody; /* start of body object */
86: size_t *pdfobjs; /* table of object offsets */
87: size_t pdfobjsz; /* size of pdfobjs */
88: };
89:
1.39 schwarze 90: static int ps_hspan(const struct termp *,
1.17 schwarze 91: const struct roffsu *);
92: static size_t ps_width(const struct termp *, int);
93: static void ps_advance(struct termp *, size_t);
94: static void ps_begin(struct termp *);
95: static void ps_closepage(struct termp *);
96: static void ps_end(struct termp *);
97: static void ps_endline(struct termp *);
98: static void ps_growbuf(struct termp *, size_t);
99: static void ps_letter(struct termp *, int);
100: static void ps_pclose(struct termp *);
1.46 schwarze 101: static void ps_plast(struct termp *);
1.17 schwarze 102: static void ps_pletter(struct termp *, int);
1.45 schwarze 103: static void ps_printf(struct termp *, const char *, ...)
1.47 schwarze 104: __attribute__((__format__ (__printf__, 2, 3)));
1.17 schwarze 105: static void ps_putchar(struct termp *, char);
106: static void ps_setfont(struct termp *, enum termfont);
1.39 schwarze 107: static void ps_setwidth(struct termp *, int, int);
1.43 schwarze 108: static struct termp *pspdf_alloc(const struct manoutput *);
1.17 schwarze 109: static void pdf_obj(struct termp *, size_t);
110:
1.4 schwarze 111: /*
112: * We define, for the time being, three fonts: bold, oblique/italic, and
113: * normal (roman). The following table hard-codes the font metrics for
114: * ASCII, i.e., 32--127.
115: */
116:
117: static const struct font fonts[TERMFONT__MAX] = {
1.6 schwarze 118: { "Times-Roman", {
119: { 250 },
120: { 333 },
121: { 408 },
122: { 500 },
123: { 500 },
124: { 833 },
125: { 778 },
126: { 333 },
127: { 333 },
128: { 333 },
129: { 500 },
130: { 564 },
131: { 250 },
132: { 333 },
133: { 250 },
134: { 278 },
135: { 500 },
136: { 500 },
137: { 500 },
138: { 500 },
139: { 500 },
140: { 500 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 278 },
146: { 278 },
147: { 564 },
148: { 564 },
149: { 564 },
150: { 444 },
151: { 921 },
152: { 722 },
153: { 667 },
154: { 667 },
155: { 722 },
156: { 611 },
157: { 556 },
158: { 722 },
159: { 722 },
160: { 333 },
161: { 389 },
162: { 722 },
163: { 611 },
164: { 889 },
165: { 722 },
166: { 722 },
167: { 556 },
168: { 722 },
169: { 667 },
170: { 556 },
171: { 611 },
172: { 722 },
173: { 722 },
174: { 944 },
175: { 722 },
176: { 722 },
177: { 611 },
178: { 333 },
179: { 278 },
180: { 333 },
181: { 469 },
182: { 500 },
183: { 333 },
184: { 444 },
185: { 500 },
186: { 444 },
187: { 500},
188: { 444},
189: { 333},
190: { 500},
191: { 500},
192: { 278},
193: { 278},
194: { 500},
195: { 278},
196: { 778},
197: { 500},
198: { 500},
199: { 500},
200: { 500},
201: { 333},
202: { 389},
203: { 278},
204: { 500},
205: { 500},
206: { 722},
207: { 500},
208: { 500},
209: { 444},
210: { 480},
211: { 200},
212: { 480},
213: { 541},
1.4 schwarze 214: } },
1.6 schwarze 215: { "Times-Bold", {
216: { 250 },
217: { 333 },
218: { 555 },
219: { 500 },
220: { 500 },
221: { 1000 },
222: { 833 },
223: { 333 },
224: { 333 },
225: { 333 },
226: { 500 },
227: { 570 },
228: { 250 },
229: { 333 },
230: { 250 },
231: { 278 },
232: { 500 },
233: { 500 },
234: { 500 },
235: { 500 },
236: { 500 },
237: { 500 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 333 },
243: { 333 },
244: { 570 },
245: { 570 },
246: { 570 },
247: { 500 },
248: { 930 },
249: { 722 },
250: { 667 },
251: { 722 },
252: { 722 },
253: { 667 },
254: { 611 },
255: { 778 },
256: { 778 },
257: { 389 },
258: { 500 },
259: { 778 },
260: { 667 },
261: { 944 },
262: { 722 },
263: { 778 },
264: { 611 },
265: { 778 },
266: { 722 },
267: { 556 },
268: { 667 },
269: { 722 },
270: { 722 },
271: { 1000 },
272: { 722 },
273: { 722 },
274: { 667 },
275: { 333 },
276: { 278 },
277: { 333 },
278: { 581 },
279: { 500 },
280: { 333 },
281: { 500 },
282: { 556 },
283: { 444 },
284: { 556 },
285: { 444 },
286: { 333 },
287: { 500 },
288: { 556 },
289: { 278 },
290: { 333 },
291: { 556 },
292: { 278 },
293: { 833 },
294: { 556 },
295: { 500 },
296: { 556 },
297: { 556 },
298: { 444 },
299: { 389 },
300: { 333 },
301: { 556 },
302: { 500 },
303: { 722 },
304: { 500 },
305: { 500 },
306: { 444 },
307: { 394 },
308: { 220 },
309: { 394 },
310: { 520 },
1.4 schwarze 311: } },
1.6 schwarze 312: { "Times-Italic", {
313: { 250 },
314: { 333 },
315: { 420 },
316: { 500 },
317: { 500 },
318: { 833 },
319: { 778 },
320: { 333 },
321: { 333 },
322: { 333 },
323: { 500 },
324: { 675 },
325: { 250 },
326: { 333 },
327: { 250 },
328: { 278 },
329: { 500 },
330: { 500 },
331: { 500 },
332: { 500 },
333: { 500 },
334: { 500 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 333 },
340: { 333 },
341: { 675 },
342: { 675 },
343: { 675 },
344: { 500 },
345: { 920 },
346: { 611 },
347: { 611 },
348: { 667 },
349: { 722 },
350: { 611 },
351: { 611 },
352: { 722 },
353: { 722 },
354: { 333 },
355: { 444 },
356: { 667 },
357: { 556 },
358: { 833 },
359: { 667 },
360: { 722 },
361: { 611 },
362: { 722 },
363: { 611 },
364: { 500 },
365: { 556 },
366: { 722 },
367: { 611 },
368: { 833 },
369: { 611 },
370: { 556 },
371: { 556 },
372: { 389 },
373: { 278 },
374: { 389 },
375: { 422 },
376: { 500 },
377: { 333 },
378: { 500 },
379: { 500 },
380: { 444 },
381: { 500 },
382: { 444 },
383: { 278 },
384: { 500 },
385: { 500 },
386: { 278 },
387: { 278 },
388: { 444 },
389: { 278 },
390: { 722 },
391: { 500 },
392: { 500 },
393: { 500 },
394: { 500 },
395: { 389 },
396: { 389 },
397: { 278 },
398: { 500 },
399: { 444 },
400: { 667 },
401: { 444 },
402: { 444 },
403: { 389 },
404: { 400 },
405: { 275 },
406: { 400 },
407: { 541 },
1.4 schwarze 408: } },
1.29 schwarze 409: { "Times-BoldItalic", {
410: { 250 },
411: { 389 },
412: { 555 },
413: { 500 },
414: { 500 },
415: { 833 },
416: { 778 },
417: { 333 },
418: { 333 },
419: { 333 },
420: { 500 },
421: { 570 },
422: { 250 },
423: { 333 },
424: { 250 },
425: { 278 },
426: { 500 },
427: { 500 },
428: { 500 },
429: { 500 },
430: { 500 },
431: { 500 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 333 },
437: { 333 },
438: { 570 },
439: { 570 },
440: { 570 },
441: { 500 },
442: { 832 },
443: { 667 },
444: { 667 },
445: { 667 },
446: { 722 },
447: { 667 },
448: { 667 },
449: { 722 },
450: { 778 },
451: { 389 },
452: { 500 },
453: { 667 },
454: { 611 },
455: { 889 },
456: { 722 },
457: { 722 },
458: { 611 },
459: { 722 },
460: { 667 },
461: { 556 },
462: { 611 },
463: { 722 },
464: { 667 },
465: { 889 },
466: { 667 },
467: { 611 },
468: { 611 },
469: { 333 },
470: { 278 },
471: { 333 },
472: { 570 },
473: { 500 },
474: { 333 },
475: { 500 },
476: { 500 },
477: { 444 },
478: { 500 },
479: { 444 },
480: { 333 },
481: { 500 },
482: { 556 },
483: { 278 },
484: { 278 },
485: { 500 },
486: { 278 },
487: { 778 },
488: { 556 },
489: { 500 },
490: { 500 },
491: { 500 },
492: { 389 },
493: { 389 },
494: { 278 },
495: { 556 },
496: { 444 },
497: { 667 },
498: { 500 },
499: { 444 },
500: { 389 },
501: { 348 },
502: { 220 },
503: { 348 },
504: { 570 },
505: } },
1.4 schwarze 506: };
507:
1.7 schwarze 508: void *
1.43 schwarze 509: pdf_alloc(const struct manoutput *outopts)
1.7 schwarze 510: {
511: struct termp *p;
512:
1.43 schwarze 513: if (NULL != (p = pspdf_alloc(outopts)))
1.8 schwarze 514: p->type = TERMTYPE_PDF;
1.7 schwarze 515:
1.40 schwarze 516: return p;
1.7 schwarze 517: }
1.1 schwarze 518:
519: void *
1.43 schwarze 520: ps_alloc(const struct manoutput *outopts)
1.1 schwarze 521: {
522: struct termp *p;
1.7 schwarze 523:
1.43 schwarze 524: if (NULL != (p = pspdf_alloc(outopts)))
1.8 schwarze 525: p->type = TERMTYPE_PS;
1.7 schwarze 526:
1.40 schwarze 527: return p;
1.7 schwarze 528: }
529:
530: static struct termp *
1.43 schwarze 531: pspdf_alloc(const struct manoutput *outopts)
1.7 schwarze 532: {
533: struct termp *p;
1.18 schwarze 534: unsigned int pagex, pagey;
535: size_t marginx, marginy, lineheight;
1.6 schwarze 536: const char *pp;
1.1 schwarze 537:
1.49 schwarze 538: p = mandoc_calloc(1, sizeof(*p));
539: p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
540: p->maxtcol = 1;
541:
1.17 schwarze 542: p->enc = TERMENC_ASCII;
1.36 schwarze 543: p->fontq = mandoc_reallocarray(NULL,
1.49 schwarze 544: (p->fontsz = 8), sizeof(*p->fontq));
1.36 schwarze 545: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.49 schwarze 546: p->ps = mandoc_calloc(1, sizeof(*p->ps));
1.1 schwarze 547:
1.6 schwarze 548: p->advance = ps_advance;
1.1 schwarze 549: p->begin = ps_begin;
550: p->end = ps_end;
551: p->endline = ps_endline;
1.6 schwarze 552: p->hspan = ps_hspan;
553: p->letter = ps_letter;
1.22 schwarze 554: p->setwidth = ps_setwidth;
1.3 schwarze 555: p->width = ps_width;
1.24 schwarze 556:
1.6 schwarze 557: /* Default to US letter (millimetres). */
558:
1.53 ! schwarze 559: p->ps->medianame = "Letter";
1.6 schwarze 560: pagex = 216;
561: pagey = 279;
562:
563: /*
564: * The ISO-269 paper sizes can be calculated automatically, but
565: * it would require bringing in -lm for pow() and I'd rather not
566: * do that. So just do it the easy way for now. Since this
567: * only happens once, I'm not terribly concerned.
568: */
569:
1.38 schwarze 570: pp = outopts->paper;
1.53 ! schwarze 571: if (pp != NULL && strcasecmp(pp, "letter") != 0) {
! 572: if (strcasecmp(pp, "a3") == 0) {
! 573: p->ps->medianame = "A3";
1.6 schwarze 574: pagex = 297;
575: pagey = 420;
1.53 ! schwarze 576: } else if (strcasecmp(pp, "a4") == 0) {
! 577: p->ps->medianame = "A4";
1.6 schwarze 578: pagex = 210;
579: pagey = 297;
1.53 ! schwarze 580: } else if (strcasecmp(pp, "a5") == 0) {
! 581: p->ps->medianame = "A5";
1.6 schwarze 582: pagex = 148;
583: pagey = 210;
1.53 ! schwarze 584: } else if (strcasecmp(pp, "legal") == 0) {
! 585: p->ps->medianame = "Legal";
1.6 schwarze 586: pagex = 216;
587: pagey = 356;
1.53 ! schwarze 588: } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
! 589: p->ps->medianame = "CustomSize";
! 590: else
1.41 schwarze 591: warnx("%s: Unknown paper", pp);
1.19 schwarze 592: }
1.6 schwarze 593:
1.24 schwarze 594: /*
1.6 schwarze 595: * This MUST be defined before any PNT2AFM or AFM2PNT
596: * calculations occur.
597: */
598:
1.17 schwarze 599: p->ps->scale = 11;
1.6 schwarze 600:
601: /* Remember millimetres -> AFM units. */
602:
1.52 schwarze 603: pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
604: pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
1.6 schwarze 605:
606: /* Margins are 1/9 the page x and y. */
607:
1.24 schwarze 608: marginx = (size_t)((double)pagex / 9.0);
609: marginy = (size_t)((double)pagey / 9.0);
1.6 schwarze 610:
611: /* Line-height is 1.4em. */
612:
1.17 schwarze 613: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.4 schwarze 614:
1.22 schwarze 615: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.18 schwarze 616: p->ps->height = (size_t)pagey;
1.17 schwarze 617: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
618: p->ps->top = pagey - marginy;
619: p->ps->footer = (marginy / 2) - (lineheight / 2);
620: p->ps->bottom = marginy;
621: p->ps->left = marginx;
622: p->ps->lineheight = lineheight;
1.4 schwarze 623:
1.6 schwarze 624: p->defrmargin = pagex - (marginx * 2);
1.40 schwarze 625: return p;
1.22 schwarze 626: }
627:
628: static void
1.39 schwarze 629: ps_setwidth(struct termp *p, int iop, int width)
1.22 schwarze 630: {
631: size_t lastwidth;
632:
633: lastwidth = p->ps->width;
1.34 schwarze 634: if (iop > 0)
1.23 schwarze 635: p->ps->width += width;
1.34 schwarze 636: else if (iop == 0)
1.39 schwarze 637: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
638: else if (p->ps->width > (size_t)width)
1.23 schwarze 639: p->ps->width -= width;
640: else
1.34 schwarze 641: p->ps->width = 0;
1.22 schwarze 642: p->ps->lastwidth = lastwidth;
1.1 schwarze 643: }
644:
645: void
1.7 schwarze 646: pspdf_free(void *arg)
1.1 schwarze 647: {
648: struct termp *p;
649:
650: p = (struct termp *)arg;
651:
1.44 mmcc 652: free(p->ps->psmarg);
653: free(p->ps->pdfobjs);
1.1 schwarze 654:
1.17 schwarze 655: free(p->ps);
1.1 schwarze 656: term_free(p);
657: }
658:
659: static void
660: ps_printf(struct termp *p, const char *fmt, ...)
661: {
662: va_list ap;
1.7 schwarze 663: int pos, len;
1.1 schwarze 664:
665: va_start(ap, fmt);
666:
667: /*
668: * If we're running in regular mode, then pipe directly into
669: * vprintf(). If we're processing margins, then push the data
670: * into our growable margin buffer.
671: */
672:
1.17 schwarze 673: if ( ! (PS_MARGINS & p->ps->flags)) {
1.7 schwarze 674: len = vprintf(fmt, ap);
1.1 schwarze 675: va_end(ap);
1.24 schwarze 676: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.1 schwarze 677: return;
678: }
679:
1.24 schwarze 680: /*
1.1 schwarze 681: * XXX: I assume that the in-margin print won't exceed
682: * PS_BUFSLOP (128 bytes), which is reasonable but still an
683: * assumption that will cause pukeage if it's not the case.
684: */
685:
1.9 schwarze 686: ps_growbuf(p, PS_BUFSLOP);
1.1 schwarze 687:
1.17 schwarze 688: pos = (int)p->ps->psmargcur;
1.19 schwarze 689: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.1 schwarze 690:
691: va_end(ap);
1.7 schwarze 692:
1.17 schwarze 693: p->ps->psmargcur = strlen(p->ps->psmarg);
1.1 schwarze 694: }
695:
696: static void
697: ps_putchar(struct termp *p, char c)
698: {
699: int pos;
700:
701: /* See ps_printf(). */
702:
1.17 schwarze 703: if ( ! (PS_MARGINS & p->ps->flags)) {
1.1 schwarze 704: putchar(c);
1.17 schwarze 705: p->ps->pdfbytes++;
1.1 schwarze 706: return;
707: }
708:
1.9 schwarze 709: ps_growbuf(p, 2);
1.1 schwarze 710:
1.17 schwarze 711: pos = (int)p->ps->psmargcur++;
712: p->ps->psmarg[pos++] = c;
713: p->ps->psmarg[pos] = '\0';
1.1 schwarze 714: }
715:
1.7 schwarze 716: static void
1.8 schwarze 717: pdf_obj(struct termp *p, size_t obj)
718: {
719:
720: assert(obj > 0);
721:
1.17 schwarze 722: if ((obj - 1) >= p->ps->pdfobjsz) {
723: p->ps->pdfobjsz = obj + 128;
1.25 schwarze 724: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
725: p->ps->pdfobjsz, sizeof(size_t));
1.8 schwarze 726: }
727:
1.17 schwarze 728: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.8 schwarze 729: ps_printf(p, "%zu 0 obj\n", obj);
730: }
731:
732: static void
1.7 schwarze 733: ps_closepage(struct termp *p)
734: {
735: int i;
1.8 schwarze 736: size_t len, base;
737:
738: /*
739: * Close out a page that we've already flushed to output. In
740: * PostScript, we simply note that the page must be showed. In
741: * PDF, we must now create the Length, Resource, and Page node
742: * for the page contents.
743: */
1.7 schwarze 744:
1.17 schwarze 745: assert(p->ps->psmarg && p->ps->psmarg[0]);
746: ps_printf(p, "%s", p->ps->psmarg);
1.7 schwarze 747:
1.8 schwarze 748: if (TERMTYPE_PS != p->type) {
1.17 schwarze 749: len = p->ps->pdfbytes - p->ps->pdflastpg;
750: base = p->ps->pages * 4 + p->ps->pdfbody;
1.8 schwarze 751:
752: ps_printf(p, "endstream\nendobj\n");
753:
754: /* Length of content. */
755: pdf_obj(p, base + 1);
756: ps_printf(p, "%zu\nendobj\n", len);
757:
758: /* Resource for content. */
759: pdf_obj(p, base + 2);
760: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.7 schwarze 761: ps_printf(p, "/Font <<\n");
1.24 schwarze 762: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.7 schwarze 763: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.50 schwarze 764: ps_printf(p, ">>\n>>\nendobj\n");
1.8 schwarze 765:
766: /* Page node. */
767: pdf_obj(p, base + 3);
1.7 schwarze 768: ps_printf(p, "<<\n");
769: ps_printf(p, "/Type /Page\n");
770: ps_printf(p, "/Parent 2 0 R\n");
1.8 schwarze 771: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
772: ps_printf(p, "/Contents %zu 0 R\n", base);
773: ps_printf(p, ">>\nendobj\n");
774: } else
775: ps_printf(p, "showpage\n");
1.7 schwarze 776:
1.17 schwarze 777: p->ps->pages++;
778: p->ps->psrow = p->ps->top;
779: assert( ! (PS_NEWPAGE & p->ps->flags));
780: p->ps->flags |= PS_NEWPAGE;
1.7 schwarze 781: }
782:
1.1 schwarze 783: static void
784: ps_end(struct termp *p)
785: {
1.8 schwarze 786: size_t i, xref, base;
1.1 schwarze 787:
1.46 schwarze 788: ps_plast(p);
789: ps_pclose(p);
790:
1.1 schwarze 791: /*
792: * At the end of the file, do one last showpage. This is the
793: * same behaviour as groff(1) and works for multiple pages as
794: * well as just one.
795: */
796:
1.17 schwarze 797: if ( ! (PS_NEWPAGE & p->ps->flags)) {
798: assert(0 == p->ps->flags);
799: assert('\0' == p->ps->last);
1.7 schwarze 800: ps_closepage(p);
1.6 schwarze 801: }
1.4 schwarze 802:
1.7 schwarze 803: if (TERMTYPE_PS == p->type) {
804: ps_printf(p, "%%%%Trailer\n");
1.17 schwarze 805: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.7 schwarze 806: ps_printf(p, "%%%%EOF\n");
807: return;
1.24 schwarze 808: }
1.7 schwarze 809:
1.8 schwarze 810: pdf_obj(p, 2);
811: ps_printf(p, "<<\n/Type /Pages\n");
1.7 schwarze 812: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.17 schwarze 813: (size_t)AFM2PNT(p, p->ps->width),
814: (size_t)AFM2PNT(p, p->ps->height));
1.7 schwarze 815:
1.17 schwarze 816: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.7 schwarze 817: ps_printf(p, "/Kids [");
818:
1.17 schwarze 819: for (i = 0; i < p->ps->pages; i++)
1.24 schwarze 820: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.8 schwarze 821:
1.24 schwarze 822: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.8 schwarze 823:
824: ps_printf(p, "]\n>>\nendobj\n");
825: pdf_obj(p, base);
1.7 schwarze 826: ps_printf(p, "<<\n");
827: ps_printf(p, "/Type /Catalog\n");
828: ps_printf(p, "/Pages 2 0 R\n");
1.50 schwarze 829: ps_printf(p, ">>\nendobj\n");
1.17 schwarze 830: xref = p->ps->pdfbytes;
1.7 schwarze 831: ps_printf(p, "xref\n");
1.8 schwarze 832: ps_printf(p, "0 %zu\n", base + 1);
833: ps_printf(p, "0000000000 65535 f \n");
834:
835: for (i = 0; i < base; i++)
1.24 schwarze 836: ps_printf(p, "%.10zu 00000 n \n",
837: p->ps->pdfobjs[(int)i]);
1.8 schwarze 838:
1.7 schwarze 839: ps_printf(p, "trailer\n");
840: ps_printf(p, "<<\n");
1.8 schwarze 841: ps_printf(p, "/Size %zu\n", base + 1);
842: ps_printf(p, "/Root %zu 0 R\n", base);
1.7 schwarze 843: ps_printf(p, "/Info 1 0 R\n");
844: ps_printf(p, ">>\n");
845: ps_printf(p, "startxref\n");
846: ps_printf(p, "%zu\n", xref);
847: ps_printf(p, "%%%%EOF\n");
1.1 schwarze 848: }
849:
850: static void
851: ps_begin(struct termp *p)
852: {
1.53 ! schwarze 853: size_t width, height;
1.4 schwarze 854: int i;
1.1 schwarze 855:
1.24 schwarze 856: /*
1.2 schwarze 857: * Print margins into margin buffer. Nothing gets output to the
858: * screen yet, so we don't need to initialise the primary state.
1.1 schwarze 859: */
860:
1.17 schwarze 861: if (p->ps->psmarg) {
862: assert(p->ps->psmargsz);
863: p->ps->psmarg[0] = '\0';
1.1 schwarze 864: }
865:
1.17 schwarze 866: /*p->ps->pdfbytes = 0;*/
867: p->ps->psmargcur = 0;
868: p->ps->flags = PS_MARGINS;
869: p->ps->pscol = p->ps->left;
870: p->ps->psrow = p->ps->header;
1.1 schwarze 871:
1.2 schwarze 872: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 873:
874: (*p->headf)(p, p->argf);
875: (*p->endline)(p);
876:
1.17 schwarze 877: p->ps->pscol = p->ps->left;
878: p->ps->psrow = p->ps->footer;
1.1 schwarze 879:
880: (*p->footf)(p, p->argf);
881: (*p->endline)(p);
882:
1.17 schwarze 883: p->ps->flags &= ~PS_MARGINS;
1.2 schwarze 884:
1.17 schwarze 885: assert(0 == p->ps->flags);
886: assert(p->ps->psmarg);
887: assert('\0' != p->ps->psmarg[0]);
1.1 schwarze 888:
1.24 schwarze 889: /*
1.2 schwarze 890: * Print header and initialise page state. Following this,
891: * stuff gets printed to the screen, so make sure we're sane.
892: */
893:
1.7 schwarze 894: if (TERMTYPE_PS == p->type) {
1.53 ! schwarze 895: width = AFM2PNT(p, p->ps->width);
! 896: height = AFM2PNT(p, p->ps->height);
! 897:
1.7 schwarze 898: ps_printf(p, "%%!PS-Adobe-3.0\n");
899: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
900: ps_printf(p, "%%%%Orientation: Portrait\n");
901: ps_printf(p, "%%%%Pages: (atend)\n");
902: ps_printf(p, "%%%%PageOrder: Ascend\n");
1.53 ! schwarze 903: ps_printf(p, "%%%%DocumentMedia: man-%s %zu %zu 0 () ()\n",
! 904: p->ps->medianame, width, height);
1.7 schwarze 905: ps_printf(p, "%%%%DocumentNeededResources: font");
1.4 schwarze 906:
1.7 schwarze 907: for (i = 0; i < (int)TERMFONT__MAX; i++)
908: ps_printf(p, " %s", fonts[i].name);
909:
910: ps_printf(p, "\n%%%%EndComments\n");
1.53 ! schwarze 911: ps_printf(p, "%%%%BeginSetup\n");
! 912: ps_printf(p, "%%%%BeginFeature: *PageSize %s\n",
! 913: p->ps->medianame);
! 914: ps_printf(p, "<</PageSize [%zu %zu]>>setpagedevice\n",
! 915: width, height);
! 916: ps_printf(p, "%%%%EndFeature\n");
! 917: ps_printf(p, "%%%%EndSetup\n");
1.7 schwarze 918: } else {
919: ps_printf(p, "%%PDF-1.1\n");
1.8 schwarze 920: pdf_obj(p, 1);
1.7 schwarze 921: ps_printf(p, "<<\n");
922: ps_printf(p, ">>\n");
923: ps_printf(p, "endobj\n");
924:
925: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.8 schwarze 926: pdf_obj(p, (size_t)i + 3);
1.7 schwarze 927: ps_printf(p, "<<\n");
928: ps_printf(p, "/Type /Font\n");
929: ps_printf(p, "/Subtype /Type1\n");
1.20 schwarze 930: ps_printf(p, "/Name /F%d\n", i);
1.7 schwarze 931: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
1.50 schwarze 932: ps_printf(p, ">>\nendobj\n");
1.7 schwarze 933: }
934: }
935:
1.17 schwarze 936: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
937: p->ps->pscol = p->ps->left;
938: p->ps->psrow = p->ps->top;
939: p->ps->flags |= PS_NEWPAGE;
1.6 schwarze 940: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 941: }
942:
943: static void
1.4 schwarze 944: ps_pletter(struct termp *p, int c)
1.1 schwarze 945: {
1.4 schwarze 946: int f;
1.6 schwarze 947:
948: /*
949: * If we haven't opened a page context, then output that we're
950: * in a new page and make sure the font is correctly set.
951: */
952:
1.17 schwarze 953: if (PS_NEWPAGE & p->ps->flags) {
1.7 schwarze 954: if (TERMTYPE_PS == p->type) {
1.24 schwarze 955: ps_printf(p, "%%%%Page: %zu %zu\n",
956: p->ps->pages + 1, p->ps->pages + 1);
957: ps_printf(p, "/%s %zu selectfont\n",
958: fonts[(int)p->ps->lastf].name,
959: p->ps->scale);
1.7 schwarze 960: } else {
1.24 schwarze 961: pdf_obj(p, p->ps->pdfbody +
962: p->ps->pages * 4);
1.7 schwarze 963: ps_printf(p, "<<\n");
1.24 schwarze 964: ps_printf(p, "/Length %zu 0 R\n",
965: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.7 schwarze 966: ps_printf(p, ">>\nstream\n");
967: }
1.17 schwarze 968: p->ps->pdflastpg = p->ps->pdfbytes;
969: p->ps->flags &= ~PS_NEWPAGE;
1.6 schwarze 970: }
1.24 schwarze 971:
1.2 schwarze 972: /*
973: * If we're not in a PostScript "word" context, then open one
974: * now at the current cursor.
975: */
976:
1.17 schwarze 977: if ( ! (PS_INLINE & p->ps->flags)) {
1.7 schwarze 978: if (TERMTYPE_PS != p->type) {
1.24 schwarze 979: ps_printf(p, "BT\n/F%d %zu Tf\n",
980: (int)p->ps->lastf, p->ps->scale);
1.7 schwarze 981: ps_printf(p, "%.3f %.3f Td\n(",
1.24 schwarze 982: AFM2PNT(p, p->ps->pscol),
983: AFM2PNT(p, p->ps->psrow));
1.7 schwarze 984: } else
1.24 schwarze 985: ps_printf(p, "%.3f %.3f moveto\n(",
986: AFM2PNT(p, p->ps->pscol),
987: AFM2PNT(p, p->ps->psrow));
1.17 schwarze 988: p->ps->flags |= PS_INLINE;
1.1 schwarze 989: }
990:
1.17 schwarze 991: assert( ! (PS_NEWPAGE & p->ps->flags));
1.6 schwarze 992:
1.1 schwarze 993: /*
994: * We need to escape these characters as per the PostScript
995: * specification. We would also escape non-graphable characters
996: * (like tabs), but none of them would get to this point and
997: * it's superfluous to abort() on them.
998: */
999:
1000: switch (c) {
1.24 schwarze 1001: case '(':
1002: case ')':
1003: case '\\':
1.1 schwarze 1004: ps_putchar(p, '\\');
1005: break;
1006: default:
1007: break;
1008: }
1009:
1010: /* Write the character and adjust where we are on the page. */
1.2 schwarze 1011:
1.17 schwarze 1012: f = (int)p->ps->lastf;
1.4 schwarze 1013:
1.26 schwarze 1014: if (c <= 32 || c - 32 >= MAXCHAR)
1015: c = 32;
1.4 schwarze 1016:
1.6 schwarze 1017: ps_putchar(p, (char)c);
1.4 schwarze 1018: c -= 32;
1.17 schwarze 1019: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.1 schwarze 1020: }
1021:
1022: static void
1.2 schwarze 1023: ps_pclose(struct termp *p)
1024: {
1025:
1.24 schwarze 1026: /*
1.2 schwarze 1027: * Spit out that we're exiting a word context (this is a
1028: * "partial close" because we don't check the last-char buffer
1029: * or anything).
1030: */
1031:
1.17 schwarze 1032: if ( ! (PS_INLINE & p->ps->flags))
1.2 schwarze 1033: return;
1.24 schwarze 1034:
1.7 schwarze 1035: if (TERMTYPE_PS != p->type) {
1036: ps_printf(p, ") Tj\nET\n");
1037: } else
1038: ps_printf(p, ") show\n");
1039:
1.17 schwarze 1040: p->ps->flags &= ~PS_INLINE;
1.2 schwarze 1041: }
1042:
1.46 schwarze 1043: /* If we have a `last' char that wasn't printed yet, print it now. */
1.2 schwarze 1044: static void
1.46 schwarze 1045: ps_plast(struct termp *p)
1.2 schwarze 1046: {
1.46 schwarze 1047: size_t wx;
1048:
1049: if (p->ps->last == '\0')
1050: return;
1051:
1052: /* Check the font mode; open a new scope if it doesn't match. */
1053:
1054: if (p->ps->nextf != p->ps->lastf) {
1055: ps_pclose(p);
1056: ps_setfont(p, p->ps->nextf);
1057: }
1058: p->ps->nextf = TERMFONT_NONE;
1.2 schwarze 1059:
1060: /*
1.46 schwarze 1061: * For an overstrike, if a previous character
1062: * was wider, advance to center the new one.
1.2 schwarze 1063: */
1064:
1.46 schwarze 1065: if (p->ps->pscolnext) {
1066: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1067: if (p->ps->pscol + wx < p->ps->pscolnext)
1068: p->ps->pscol = (p->ps->pscol +
1069: p->ps->pscolnext - wx) / 2;
1.2 schwarze 1070: }
1071:
1.46 schwarze 1072: ps_pletter(p, p->ps->last);
1073: p->ps->last = '\0';
1074:
1075: /*
1076: * For an overstrike, if a previous character
1077: * was wider, advance to the end of the old one.
1078: */
1.2 schwarze 1079:
1.46 schwarze 1080: if (p->ps->pscol < p->ps->pscolnext) {
1081: ps_pclose(p);
1082: p->ps->pscol = p->ps->pscolnext;
1083: }
1.2 schwarze 1084: }
1085:
1086: static void
1.17 schwarze 1087: ps_letter(struct termp *p, int arg)
1.2 schwarze 1088: {
1.46 schwarze 1089: size_t savecol;
1.30 schwarze 1090: char c;
1.17 schwarze 1091:
1092: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.2 schwarze 1093:
1094: /*
1.32 schwarze 1095: * When receiving a backspace, merely flag it.
1096: * We don't know yet whether it is
1097: * a font instruction or an overstrike.
1.2 schwarze 1098: */
1099:
1.32 schwarze 1100: if (c == '\b') {
1.29 schwarze 1101: assert(p->ps->last != '\0');
1.32 schwarze 1102: assert( ! (p->ps->flags & PS_BACKSP));
1103: p->ps->flags |= PS_BACKSP;
1104: return;
1105: }
1106:
1107: /*
1108: * Decode font instructions.
1109: */
1110:
1111: if (p->ps->flags & PS_BACKSP) {
1112: if (p->ps->last == '_') {
1.29 schwarze 1113: switch (p->ps->nextf) {
1114: case TERMFONT_BI:
1115: break;
1116: case TERMFONT_BOLD:
1117: p->ps->nextf = TERMFONT_BI;
1118: break;
1119: default:
1120: p->ps->nextf = TERMFONT_UNDER;
1121: }
1.32 schwarze 1122: p->ps->last = c;
1123: p->ps->flags &= ~PS_BACKSP;
1124: return;
1125: }
1126: if (p->ps->last == c) {
1.29 schwarze 1127: switch (p->ps->nextf) {
1128: case TERMFONT_BI:
1129: break;
1130: case TERMFONT_UNDER:
1131: p->ps->nextf = TERMFONT_BI;
1132: break;
1133: default:
1134: p->ps->nextf = TERMFONT_BOLD;
1.2 schwarze 1135: }
1.32 schwarze 1136: p->ps->flags &= ~PS_BACKSP;
1137: return;
1.2 schwarze 1138: }
1.32 schwarze 1139:
1140: /*
1141: * This is not a font instruction, but rather
1142: * the next character. Prepare for overstrike.
1143: */
1144:
1145: savecol = p->ps->pscol;
1146: } else
1147: savecol = SIZE_MAX;
1148:
1149: /*
1150: * We found the next character, so the font instructions
1151: * for the previous one are complete.
1152: * Use them and print it.
1153: */
1154:
1.46 schwarze 1155: ps_plast(p);
1.32 schwarze 1156:
1157: /*
1158: * Do not print the current character yet because font
1.46 schwarze 1159: * instructions might follow; only remember the character.
1160: * It will get printed later from ps_plast().
1.32 schwarze 1161: */
1162:
1.29 schwarze 1163: p->ps->last = c;
1.32 schwarze 1164:
1165: /*
1166: * For an overstrike, back up to the previous position.
1.37 schwarze 1167: * If the previous character is wider than any it overstrikes,
1168: * remember the current position, because it might also be
1169: * wider than all that will overstrike it.
1.32 schwarze 1170: */
1171:
1172: if (savecol != SIZE_MAX) {
1.37 schwarze 1173: if (p->ps->pscolnext < p->ps->pscol)
1174: p->ps->pscolnext = p->ps->pscol;
1.32 schwarze 1175: ps_pclose(p);
1176: p->ps->pscol = savecol;
1177: p->ps->flags &= ~PS_BACKSP;
1.37 schwarze 1178: } else
1179: p->ps->pscolnext = 0;
1.2 schwarze 1180: }
1181:
1182: static void
1.1 schwarze 1183: ps_advance(struct termp *p, size_t len)
1184: {
1185:
1.2 schwarze 1186: /*
1187: * Advance some spaces. This can probably be made smarter,
1188: * i.e., to have multiple space-separated words in the same
1189: * scope, but this is easier: just close out the current scope
1190: * and readjust our column settings.
1191: */
1.1 schwarze 1192:
1.46 schwarze 1193: ps_plast(p);
1194: ps_pclose(p);
1.17 schwarze 1195: p->ps->pscol += len;
1.1 schwarze 1196: }
1197:
1198: static void
1199: ps_endline(struct termp *p)
1200: {
1201:
1.2 schwarze 1202: /* Close out any scopes we have open: we're at eoln. */
1203:
1.46 schwarze 1204: ps_plast(p);
1205: ps_pclose(p);
1.2 schwarze 1206:
1207: /*
1208: * If we're in the margin, don't try to recalculate our current
1209: * row. XXX: if the column tries to be fancy with multiple
1.24 schwarze 1210: * lines, we'll do nasty stuff.
1.2 schwarze 1211: */
1.1 schwarze 1212:
1.17 schwarze 1213: if (PS_MARGINS & p->ps->flags)
1.6 schwarze 1214: return;
1215:
1216: /* Left-justify. */
1217:
1.17 schwarze 1218: p->ps->pscol = p->ps->left;
1.6 schwarze 1219:
1220: /* If we haven't printed anything, return. */
1221:
1.17 schwarze 1222: if (PS_NEWPAGE & p->ps->flags)
1.1 schwarze 1223: return;
1224:
1.2 schwarze 1225: /*
1226: * Put us down a line. If we're at the page bottom, spit out a
1227: * showpage and restart our row.
1228: */
1229:
1.24 schwarze 1230: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.17 schwarze 1231: p->ps->psrow -= p->ps->lineheight;
1.1 schwarze 1232: return;
1233: }
1234:
1.7 schwarze 1235: ps_closepage(p);
1.48 schwarze 1236:
1.49 schwarze 1237: p->tcol->offset -= p->ti;
1.48 schwarze 1238: p->ti = 0;
1.1 schwarze 1239: }
1.2 schwarze 1240:
1241: static void
1242: ps_setfont(struct termp *p, enum termfont f)
1243: {
1244:
1.4 schwarze 1245: assert(f < TERMFONT__MAX);
1.17 schwarze 1246: p->ps->lastf = f;
1.24 schwarze 1247:
1.6 schwarze 1248: /*
1249: * If we're still at the top of the page, let the font-setting
1250: * be delayed until we actually have stuff to print.
1251: */
1252:
1.17 schwarze 1253: if (PS_NEWPAGE & p->ps->flags)
1.6 schwarze 1254: return;
1255:
1.7 schwarze 1256: if (TERMTYPE_PS == p->type)
1.24 schwarze 1257: ps_printf(p, "/%s %zu selectfont\n",
1258: fonts[(int)f].name, p->ps->scale);
1.7 schwarze 1259: else
1.24 schwarze 1260: ps_printf(p, "/F%d %zu Tf\n",
1261: (int)f, p->ps->scale);
1.2 schwarze 1262: }
1263:
1.3 schwarze 1264: static size_t
1.17 schwarze 1265: ps_width(const struct termp *p, int c)
1.3 schwarze 1266: {
1267:
1.4 schwarze 1268: if (c <= 32 || c - 32 >= MAXCHAR)
1.26 schwarze 1269: c = 0;
1270: else
1271: c -= 32;
1.4 schwarze 1272:
1.40 schwarze 1273: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.6 schwarze 1274: }
1275:
1.39 schwarze 1276: static int
1.6 schwarze 1277: ps_hspan(const struct termp *p, const struct roffsu *su)
1278: {
1279: double r;
1.24 schwarze 1280:
1.6 schwarze 1281: /*
1282: * All of these measurements are derived by converting from the
1283: * native measurement to AFM units.
1284: */
1285: switch (su->unit) {
1.28 schwarze 1286: case SCALE_BU:
1287: /*
1288: * Traditionally, the default unit is fixed to the
1289: * output media. So this would refer to the point. In
1290: * mandoc(1), however, we stick to the default terminal
1291: * scaling unit so that output is the same regardless
1292: * the media.
1293: */
1294: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1295: break;
1.24 schwarze 1296: case SCALE_CM:
1.28 schwarze 1297: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1298: break;
1299: case SCALE_EM:
1300: r = su->scale *
1301: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1302: break;
1303: case SCALE_EN:
1304: r = su->scale *
1305: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.6 schwarze 1306: break;
1.24 schwarze 1307: case SCALE_IN:
1.27 schwarze 1308: r = PNT2AFM(p, su->scale * 72.0);
1.6 schwarze 1309: break;
1.28 schwarze 1310: case SCALE_MM:
1311: r = su->scale *
1312: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1313: break;
1.24 schwarze 1314: case SCALE_PC:
1.27 schwarze 1315: r = PNT2AFM(p, su->scale * 12.0);
1.6 schwarze 1316: break;
1.24 schwarze 1317: case SCALE_PT:
1.28 schwarze 1318: r = PNT2AFM(p, su->scale * 1.0);
1.6 schwarze 1319: break;
1.24 schwarze 1320: case SCALE_VS:
1.17 schwarze 1321: r = su->scale * p->ps->lineheight;
1.6 schwarze 1322: break;
1323: default:
1324: r = su->scale;
1325: break;
1326: }
1327:
1.40 schwarze 1328: return r * 24.0;
1.17 schwarze 1329: }
1330:
1331: static void
1332: ps_growbuf(struct termp *p, size_t sz)
1333: {
1334: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1335: return;
1336:
1337: if (sz < PS_BUFSLOP)
1338: sz = PS_BUFSLOP;
1339:
1340: p->ps->psmargsz += sz;
1.25 schwarze 1341: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.3 schwarze 1342: }
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