Annotation of src/usr.bin/mandoc/term_ps.c, Revision 1.56
1.56 ! schwarze 1: /* $OpenBSD: term_ps.c,v 1.55 2017/11/10 14:16:28 espie Exp $ */
1.1 schwarze 2: /*
1.17 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.56 ! schwarze 4: * Copyright (c) 2014,2015,2016,2017,2020 Ingo Schwarze <schwarze@openbsd.org>
1.54 espie 5: * Copyright (c) 2017 Marc Espie <espie@openbsd.org>
1.1 schwarze 6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
1.38 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.38 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
1.11 deraadt 19: #include <sys/types.h>
1.1 schwarze 20:
21: #include <assert.h>
1.41 schwarze 22: #include <err.h>
1.1 schwarze 23: #include <stdarg.h>
1.5 schwarze 24: #include <stdint.h>
1.1 schwarze 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
1.6 schwarze 28: #include <unistd.h>
1.1 schwarze 29:
1.21 schwarze 30: #include "mandoc_aux.h"
1.1 schwarze 31: #include "out.h"
1.35 schwarze 32: #include "term.h"
1.38 schwarze 33: #include "manconf.h"
1.1 schwarze 34: #include "main.h"
35:
1.17 schwarze 36: /* These work the buffer used by the header and footer. */
37: #define PS_BUFSLOP 128
38:
1.6 schwarze 39: /* Convert PostScript point "x" to an AFM unit. */
1.24 schwarze 40: #define PNT2AFM(p, x) \
1.17 schwarze 41: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.6 schwarze 42:
43: /* Convert an AFM unit "x" to a PostScript points */
1.24 schwarze 44: #define AFM2PNT(p, x) \
1.17 schwarze 45: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.6 schwarze 46:
1.4 schwarze 47: struct glyph {
1.7 schwarze 48: unsigned short wx; /* WX in AFM */
1.4 schwarze 49: };
50:
51: struct font {
52: const char *name; /* FontName in AFM */
53: #define MAXCHAR 95 /* total characters we can handle */
54: struct glyph gly[MAXCHAR]; /* glyph metrics */
55: };
1.1 schwarze 56:
1.17 schwarze 57: struct termp_ps {
58: int flags;
59: #define PS_INLINE (1 << 0) /* we're in a word */
60: #define PS_MARGINS (1 << 1) /* we're in the margins */
61: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.32 schwarze 62: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.17 schwarze 63: size_t pscol; /* visible column (AFM units) */
1.37 schwarze 64: size_t pscolnext; /* used for overstrike */
1.17 schwarze 65: size_t psrow; /* visible row (AFM units) */
1.54 espie 66: size_t lastrow; /* psrow of the previous word */
1.17 schwarze 67: char *psmarg; /* margin buf */
68: size_t psmargsz; /* margin buf size */
69: size_t psmargcur; /* cur index in margin buf */
1.32 schwarze 70: char last; /* last non-backspace seen */
1.17 schwarze 71: enum termfont lastf; /* last set font */
1.29 schwarze 72: enum termfont nextf; /* building next font here */
1.17 schwarze 73: size_t scale; /* font scaling factor */
74: size_t pages; /* number of pages shown */
75: size_t lineheight; /* line height (AFM units) */
76: size_t top; /* body top (AFM units) */
77: size_t bottom; /* body bottom (AFM units) */
1.53 schwarze 78: const char *medianame; /* for DocumentMedia and PageSize */
1.17 schwarze 79: size_t height; /* page height (AFM units */
80: size_t width; /* page width (AFM units) */
1.22 schwarze 81: size_t lastwidth; /* page width before last ll */
1.17 schwarze 82: size_t left; /* body left (AFM units) */
83: size_t header; /* header pos (AFM units) */
84: size_t footer; /* footer pos (AFM units) */
1.24 schwarze 85: size_t pdfbytes; /* current output byte */
1.17 schwarze 86: size_t pdflastpg; /* byte of last page mark */
87: size_t pdfbody; /* start of body object */
88: size_t *pdfobjs; /* table of object offsets */
89: size_t pdfobjsz; /* size of pdfobjs */
90: };
91:
1.39 schwarze 92: static int ps_hspan(const struct termp *,
1.17 schwarze 93: const struct roffsu *);
94: static size_t ps_width(const struct termp *, int);
95: static void ps_advance(struct termp *, size_t);
96: static void ps_begin(struct termp *);
97: static void ps_closepage(struct termp *);
98: static void ps_end(struct termp *);
99: static void ps_endline(struct termp *);
100: static void ps_growbuf(struct termp *, size_t);
101: static void ps_letter(struct termp *, int);
102: static void ps_pclose(struct termp *);
1.46 schwarze 103: static void ps_plast(struct termp *);
1.17 schwarze 104: static void ps_pletter(struct termp *, int);
1.45 schwarze 105: static void ps_printf(struct termp *, const char *, ...)
1.47 schwarze 106: __attribute__((__format__ (__printf__, 2, 3)));
1.17 schwarze 107: static void ps_putchar(struct termp *, char);
108: static void ps_setfont(struct termp *, enum termfont);
1.39 schwarze 109: static void ps_setwidth(struct termp *, int, int);
1.55 espie 110: static struct termp *pspdf_alloc(const struct manoutput *, enum termtype);
1.17 schwarze 111: static void pdf_obj(struct termp *, size_t);
112:
1.4 schwarze 113: /*
114: * We define, for the time being, three fonts: bold, oblique/italic, and
115: * normal (roman). The following table hard-codes the font metrics for
116: * ASCII, i.e., 32--127.
117: */
118:
119: static const struct font fonts[TERMFONT__MAX] = {
1.6 schwarze 120: { "Times-Roman", {
121: { 250 },
122: { 333 },
123: { 408 },
124: { 500 },
125: { 500 },
126: { 833 },
127: { 778 },
128: { 333 },
129: { 333 },
130: { 333 },
131: { 500 },
132: { 564 },
133: { 250 },
134: { 333 },
135: { 250 },
136: { 278 },
137: { 500 },
138: { 500 },
139: { 500 },
140: { 500 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 500 },
146: { 500 },
147: { 278 },
148: { 278 },
149: { 564 },
150: { 564 },
151: { 564 },
152: { 444 },
153: { 921 },
154: { 722 },
155: { 667 },
156: { 667 },
157: { 722 },
158: { 611 },
159: { 556 },
160: { 722 },
161: { 722 },
162: { 333 },
163: { 389 },
164: { 722 },
165: { 611 },
166: { 889 },
167: { 722 },
168: { 722 },
169: { 556 },
170: { 722 },
171: { 667 },
172: { 556 },
173: { 611 },
174: { 722 },
175: { 722 },
176: { 944 },
177: { 722 },
178: { 722 },
179: { 611 },
180: { 333 },
181: { 278 },
182: { 333 },
183: { 469 },
184: { 500 },
185: { 333 },
186: { 444 },
187: { 500 },
188: { 444 },
189: { 500},
190: { 444},
191: { 333},
192: { 500},
193: { 500},
194: { 278},
195: { 278},
196: { 500},
197: { 278},
198: { 778},
199: { 500},
200: { 500},
201: { 500},
202: { 500},
203: { 333},
204: { 389},
205: { 278},
206: { 500},
207: { 500},
208: { 722},
209: { 500},
210: { 500},
211: { 444},
212: { 480},
213: { 200},
214: { 480},
215: { 541},
1.4 schwarze 216: } },
1.6 schwarze 217: { "Times-Bold", {
218: { 250 },
219: { 333 },
220: { 555 },
221: { 500 },
222: { 500 },
223: { 1000 },
224: { 833 },
225: { 333 },
226: { 333 },
227: { 333 },
228: { 500 },
229: { 570 },
230: { 250 },
231: { 333 },
232: { 250 },
233: { 278 },
234: { 500 },
235: { 500 },
236: { 500 },
237: { 500 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 500 },
243: { 500 },
244: { 333 },
245: { 333 },
246: { 570 },
247: { 570 },
248: { 570 },
249: { 500 },
250: { 930 },
251: { 722 },
252: { 667 },
253: { 722 },
254: { 722 },
255: { 667 },
256: { 611 },
257: { 778 },
258: { 778 },
259: { 389 },
260: { 500 },
261: { 778 },
262: { 667 },
263: { 944 },
264: { 722 },
265: { 778 },
266: { 611 },
267: { 778 },
268: { 722 },
269: { 556 },
270: { 667 },
271: { 722 },
272: { 722 },
273: { 1000 },
274: { 722 },
275: { 722 },
276: { 667 },
277: { 333 },
278: { 278 },
279: { 333 },
280: { 581 },
281: { 500 },
282: { 333 },
283: { 500 },
284: { 556 },
285: { 444 },
286: { 556 },
287: { 444 },
288: { 333 },
289: { 500 },
290: { 556 },
291: { 278 },
292: { 333 },
293: { 556 },
294: { 278 },
295: { 833 },
296: { 556 },
297: { 500 },
298: { 556 },
299: { 556 },
300: { 444 },
301: { 389 },
302: { 333 },
303: { 556 },
304: { 500 },
305: { 722 },
306: { 500 },
307: { 500 },
308: { 444 },
309: { 394 },
310: { 220 },
311: { 394 },
312: { 520 },
1.4 schwarze 313: } },
1.6 schwarze 314: { "Times-Italic", {
315: { 250 },
316: { 333 },
317: { 420 },
318: { 500 },
319: { 500 },
320: { 833 },
321: { 778 },
322: { 333 },
323: { 333 },
324: { 333 },
325: { 500 },
326: { 675 },
327: { 250 },
328: { 333 },
329: { 250 },
330: { 278 },
331: { 500 },
332: { 500 },
333: { 500 },
334: { 500 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 500 },
340: { 500 },
341: { 333 },
342: { 333 },
343: { 675 },
344: { 675 },
345: { 675 },
346: { 500 },
347: { 920 },
348: { 611 },
349: { 611 },
350: { 667 },
351: { 722 },
352: { 611 },
353: { 611 },
354: { 722 },
355: { 722 },
356: { 333 },
357: { 444 },
358: { 667 },
359: { 556 },
360: { 833 },
361: { 667 },
362: { 722 },
363: { 611 },
364: { 722 },
365: { 611 },
366: { 500 },
367: { 556 },
368: { 722 },
369: { 611 },
370: { 833 },
371: { 611 },
372: { 556 },
373: { 556 },
374: { 389 },
375: { 278 },
376: { 389 },
377: { 422 },
378: { 500 },
379: { 333 },
380: { 500 },
381: { 500 },
382: { 444 },
383: { 500 },
384: { 444 },
385: { 278 },
386: { 500 },
387: { 500 },
388: { 278 },
389: { 278 },
390: { 444 },
391: { 278 },
392: { 722 },
393: { 500 },
394: { 500 },
395: { 500 },
396: { 500 },
397: { 389 },
398: { 389 },
399: { 278 },
400: { 500 },
401: { 444 },
402: { 667 },
403: { 444 },
404: { 444 },
405: { 389 },
406: { 400 },
407: { 275 },
408: { 400 },
409: { 541 },
1.4 schwarze 410: } },
1.29 schwarze 411: { "Times-BoldItalic", {
412: { 250 },
413: { 389 },
414: { 555 },
415: { 500 },
416: { 500 },
417: { 833 },
418: { 778 },
419: { 333 },
420: { 333 },
421: { 333 },
422: { 500 },
423: { 570 },
424: { 250 },
425: { 333 },
426: { 250 },
427: { 278 },
428: { 500 },
429: { 500 },
430: { 500 },
431: { 500 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 500 },
437: { 500 },
438: { 333 },
439: { 333 },
440: { 570 },
441: { 570 },
442: { 570 },
443: { 500 },
444: { 832 },
445: { 667 },
446: { 667 },
447: { 667 },
448: { 722 },
449: { 667 },
450: { 667 },
451: { 722 },
452: { 778 },
453: { 389 },
454: { 500 },
455: { 667 },
456: { 611 },
457: { 889 },
458: { 722 },
459: { 722 },
460: { 611 },
461: { 722 },
462: { 667 },
463: { 556 },
464: { 611 },
465: { 722 },
466: { 667 },
467: { 889 },
468: { 667 },
469: { 611 },
470: { 611 },
471: { 333 },
472: { 278 },
473: { 333 },
474: { 570 },
475: { 500 },
476: { 333 },
477: { 500 },
478: { 500 },
479: { 444 },
480: { 500 },
481: { 444 },
482: { 333 },
483: { 500 },
484: { 556 },
485: { 278 },
486: { 278 },
487: { 500 },
488: { 278 },
489: { 778 },
490: { 556 },
491: { 500 },
492: { 500 },
493: { 500 },
494: { 389 },
495: { 389 },
496: { 278 },
497: { 556 },
498: { 444 },
499: { 667 },
500: { 500 },
501: { 444 },
502: { 389 },
503: { 348 },
504: { 220 },
505: { 348 },
506: { 570 },
507: } },
1.4 schwarze 508: };
509:
1.7 schwarze 510: void *
1.43 schwarze 511: pdf_alloc(const struct manoutput *outopts)
1.7 schwarze 512: {
1.55 espie 513: return pspdf_alloc(outopts, TERMTYPE_PDF);
1.7 schwarze 514: }
1.1 schwarze 515:
516: void *
1.43 schwarze 517: ps_alloc(const struct manoutput *outopts)
1.1 schwarze 518: {
1.55 espie 519: return pspdf_alloc(outopts, TERMTYPE_PS);
1.7 schwarze 520: }
521:
522: static struct termp *
1.55 espie 523: pspdf_alloc(const struct manoutput *outopts, enum termtype type)
1.7 schwarze 524: {
525: struct termp *p;
1.18 schwarze 526: unsigned int pagex, pagey;
527: size_t marginx, marginy, lineheight;
1.6 schwarze 528: const char *pp;
1.1 schwarze 529:
1.49 schwarze 530: p = mandoc_calloc(1, sizeof(*p));
531: p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
532: p->maxtcol = 1;
1.55 espie 533: p->type = type;
1.49 schwarze 534:
1.17 schwarze 535: p->enc = TERMENC_ASCII;
1.36 schwarze 536: p->fontq = mandoc_reallocarray(NULL,
1.49 schwarze 537: (p->fontsz = 8), sizeof(*p->fontq));
1.36 schwarze 538: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.49 schwarze 539: p->ps = mandoc_calloc(1, sizeof(*p->ps));
1.1 schwarze 540:
1.6 schwarze 541: p->advance = ps_advance;
1.1 schwarze 542: p->begin = ps_begin;
543: p->end = ps_end;
544: p->endline = ps_endline;
1.6 schwarze 545: p->hspan = ps_hspan;
546: p->letter = ps_letter;
1.22 schwarze 547: p->setwidth = ps_setwidth;
1.3 schwarze 548: p->width = ps_width;
1.24 schwarze 549:
1.6 schwarze 550: /* Default to US letter (millimetres). */
551:
1.53 schwarze 552: p->ps->medianame = "Letter";
1.6 schwarze 553: pagex = 216;
554: pagey = 279;
555:
556: /*
557: * The ISO-269 paper sizes can be calculated automatically, but
558: * it would require bringing in -lm for pow() and I'd rather not
559: * do that. So just do it the easy way for now. Since this
560: * only happens once, I'm not terribly concerned.
561: */
562:
1.38 schwarze 563: pp = outopts->paper;
1.53 schwarze 564: if (pp != NULL && strcasecmp(pp, "letter") != 0) {
565: if (strcasecmp(pp, "a3") == 0) {
566: p->ps->medianame = "A3";
1.6 schwarze 567: pagex = 297;
568: pagey = 420;
1.53 schwarze 569: } else if (strcasecmp(pp, "a4") == 0) {
570: p->ps->medianame = "A4";
1.6 schwarze 571: pagex = 210;
572: pagey = 297;
1.53 schwarze 573: } else if (strcasecmp(pp, "a5") == 0) {
574: p->ps->medianame = "A5";
1.6 schwarze 575: pagex = 148;
576: pagey = 210;
1.53 schwarze 577: } else if (strcasecmp(pp, "legal") == 0) {
578: p->ps->medianame = "Legal";
1.6 schwarze 579: pagex = 216;
580: pagey = 356;
1.53 schwarze 581: } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
582: p->ps->medianame = "CustomSize";
583: else
1.41 schwarze 584: warnx("%s: Unknown paper", pp);
1.19 schwarze 585: }
1.6 schwarze 586:
1.24 schwarze 587: /*
1.6 schwarze 588: * This MUST be defined before any PNT2AFM or AFM2PNT
589: * calculations occur.
590: */
591:
1.17 schwarze 592: p->ps->scale = 11;
1.6 schwarze 593:
594: /* Remember millimetres -> AFM units. */
595:
1.52 schwarze 596: pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
597: pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
1.6 schwarze 598:
599: /* Margins are 1/9 the page x and y. */
600:
1.24 schwarze 601: marginx = (size_t)((double)pagex / 9.0);
602: marginy = (size_t)((double)pagey / 9.0);
1.6 schwarze 603:
604: /* Line-height is 1.4em. */
605:
1.17 schwarze 606: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.4 schwarze 607:
1.22 schwarze 608: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.18 schwarze 609: p->ps->height = (size_t)pagey;
1.17 schwarze 610: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
611: p->ps->top = pagey - marginy;
612: p->ps->footer = (marginy / 2) - (lineheight / 2);
613: p->ps->bottom = marginy;
614: p->ps->left = marginx;
615: p->ps->lineheight = lineheight;
1.4 schwarze 616:
1.6 schwarze 617: p->defrmargin = pagex - (marginx * 2);
1.40 schwarze 618: return p;
1.22 schwarze 619: }
620:
621: static void
1.39 schwarze 622: ps_setwidth(struct termp *p, int iop, int width)
1.22 schwarze 623: {
624: size_t lastwidth;
625:
626: lastwidth = p->ps->width;
1.34 schwarze 627: if (iop > 0)
1.23 schwarze 628: p->ps->width += width;
1.34 schwarze 629: else if (iop == 0)
1.39 schwarze 630: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
631: else if (p->ps->width > (size_t)width)
1.23 schwarze 632: p->ps->width -= width;
633: else
1.34 schwarze 634: p->ps->width = 0;
1.22 schwarze 635: p->ps->lastwidth = lastwidth;
1.1 schwarze 636: }
637:
638: void
1.7 schwarze 639: pspdf_free(void *arg)
1.1 schwarze 640: {
641: struct termp *p;
642:
643: p = (struct termp *)arg;
644:
1.44 mmcc 645: free(p->ps->psmarg);
646: free(p->ps->pdfobjs);
1.1 schwarze 647:
1.17 schwarze 648: free(p->ps);
1.1 schwarze 649: term_free(p);
650: }
651:
652: static void
653: ps_printf(struct termp *p, const char *fmt, ...)
654: {
655: va_list ap;
1.7 schwarze 656: int pos, len;
1.1 schwarze 657:
658: va_start(ap, fmt);
659:
660: /*
661: * If we're running in regular mode, then pipe directly into
662: * vprintf(). If we're processing margins, then push the data
663: * into our growable margin buffer.
664: */
665:
1.17 schwarze 666: if ( ! (PS_MARGINS & p->ps->flags)) {
1.7 schwarze 667: len = vprintf(fmt, ap);
1.1 schwarze 668: va_end(ap);
1.24 schwarze 669: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.1 schwarze 670: return;
671: }
672:
1.24 schwarze 673: /*
1.1 schwarze 674: * XXX: I assume that the in-margin print won't exceed
675: * PS_BUFSLOP (128 bytes), which is reasonable but still an
676: * assumption that will cause pukeage if it's not the case.
677: */
678:
1.9 schwarze 679: ps_growbuf(p, PS_BUFSLOP);
1.1 schwarze 680:
1.17 schwarze 681: pos = (int)p->ps->psmargcur;
1.19 schwarze 682: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.1 schwarze 683:
684: va_end(ap);
1.7 schwarze 685:
1.17 schwarze 686: p->ps->psmargcur = strlen(p->ps->psmarg);
1.1 schwarze 687: }
688:
689: static void
690: ps_putchar(struct termp *p, char c)
691: {
692: int pos;
693:
694: /* See ps_printf(). */
695:
1.17 schwarze 696: if ( ! (PS_MARGINS & p->ps->flags)) {
1.1 schwarze 697: putchar(c);
1.17 schwarze 698: p->ps->pdfbytes++;
1.1 schwarze 699: return;
700: }
701:
1.9 schwarze 702: ps_growbuf(p, 2);
1.1 schwarze 703:
1.17 schwarze 704: pos = (int)p->ps->psmargcur++;
705: p->ps->psmarg[pos++] = c;
706: p->ps->psmarg[pos] = '\0';
1.1 schwarze 707: }
708:
1.7 schwarze 709: static void
1.8 schwarze 710: pdf_obj(struct termp *p, size_t obj)
711: {
712:
713: assert(obj > 0);
714:
1.17 schwarze 715: if ((obj - 1) >= p->ps->pdfobjsz) {
716: p->ps->pdfobjsz = obj + 128;
1.25 schwarze 717: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
718: p->ps->pdfobjsz, sizeof(size_t));
1.8 schwarze 719: }
720:
1.17 schwarze 721: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.8 schwarze 722: ps_printf(p, "%zu 0 obj\n", obj);
723: }
724:
725: static void
1.7 schwarze 726: ps_closepage(struct termp *p)
727: {
728: int i;
1.8 schwarze 729: size_t len, base;
730:
731: /*
732: * Close out a page that we've already flushed to output. In
1.54 espie 733: * PostScript, we simply note that the page must be shown. In
1.8 schwarze 734: * PDF, we must now create the Length, Resource, and Page node
735: * for the page contents.
736: */
1.7 schwarze 737:
1.17 schwarze 738: assert(p->ps->psmarg && p->ps->psmarg[0]);
739: ps_printf(p, "%s", p->ps->psmarg);
1.7 schwarze 740:
1.8 schwarze 741: if (TERMTYPE_PS != p->type) {
1.17 schwarze 742: len = p->ps->pdfbytes - p->ps->pdflastpg;
743: base = p->ps->pages * 4 + p->ps->pdfbody;
1.8 schwarze 744:
745: ps_printf(p, "endstream\nendobj\n");
746:
747: /* Length of content. */
748: pdf_obj(p, base + 1);
749: ps_printf(p, "%zu\nendobj\n", len);
750:
751: /* Resource for content. */
752: pdf_obj(p, base + 2);
753: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.7 schwarze 754: ps_printf(p, "/Font <<\n");
1.24 schwarze 755: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.7 schwarze 756: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.50 schwarze 757: ps_printf(p, ">>\n>>\nendobj\n");
1.8 schwarze 758:
759: /* Page node. */
760: pdf_obj(p, base + 3);
1.7 schwarze 761: ps_printf(p, "<<\n");
762: ps_printf(p, "/Type /Page\n");
763: ps_printf(p, "/Parent 2 0 R\n");
1.8 schwarze 764: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
765: ps_printf(p, "/Contents %zu 0 R\n", base);
766: ps_printf(p, ">>\nendobj\n");
767: } else
768: ps_printf(p, "showpage\n");
1.7 schwarze 769:
1.17 schwarze 770: p->ps->pages++;
771: p->ps->psrow = p->ps->top;
772: assert( ! (PS_NEWPAGE & p->ps->flags));
773: p->ps->flags |= PS_NEWPAGE;
1.7 schwarze 774: }
775:
1.1 schwarze 776: static void
777: ps_end(struct termp *p)
778: {
1.8 schwarze 779: size_t i, xref, base;
1.1 schwarze 780:
1.46 schwarze 781: ps_plast(p);
782: ps_pclose(p);
783:
1.1 schwarze 784: /*
785: * At the end of the file, do one last showpage. This is the
786: * same behaviour as groff(1) and works for multiple pages as
787: * well as just one.
788: */
789:
1.17 schwarze 790: if ( ! (PS_NEWPAGE & p->ps->flags)) {
791: assert(0 == p->ps->flags);
792: assert('\0' == p->ps->last);
1.7 schwarze 793: ps_closepage(p);
1.6 schwarze 794: }
1.4 schwarze 795:
1.7 schwarze 796: if (TERMTYPE_PS == p->type) {
797: ps_printf(p, "%%%%Trailer\n");
1.17 schwarze 798: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.7 schwarze 799: ps_printf(p, "%%%%EOF\n");
800: return;
1.24 schwarze 801: }
1.7 schwarze 802:
1.8 schwarze 803: pdf_obj(p, 2);
804: ps_printf(p, "<<\n/Type /Pages\n");
1.7 schwarze 805: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.17 schwarze 806: (size_t)AFM2PNT(p, p->ps->width),
807: (size_t)AFM2PNT(p, p->ps->height));
1.7 schwarze 808:
1.17 schwarze 809: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.7 schwarze 810: ps_printf(p, "/Kids [");
811:
1.17 schwarze 812: for (i = 0; i < p->ps->pages; i++)
1.24 schwarze 813: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.8 schwarze 814:
1.24 schwarze 815: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.8 schwarze 816:
817: ps_printf(p, "]\n>>\nendobj\n");
818: pdf_obj(p, base);
1.7 schwarze 819: ps_printf(p, "<<\n");
820: ps_printf(p, "/Type /Catalog\n");
821: ps_printf(p, "/Pages 2 0 R\n");
1.50 schwarze 822: ps_printf(p, ">>\nendobj\n");
1.17 schwarze 823: xref = p->ps->pdfbytes;
1.7 schwarze 824: ps_printf(p, "xref\n");
1.8 schwarze 825: ps_printf(p, "0 %zu\n", base + 1);
826: ps_printf(p, "0000000000 65535 f \n");
827:
828: for (i = 0; i < base; i++)
1.24 schwarze 829: ps_printf(p, "%.10zu 00000 n \n",
830: p->ps->pdfobjs[(int)i]);
1.8 schwarze 831:
1.7 schwarze 832: ps_printf(p, "trailer\n");
833: ps_printf(p, "<<\n");
1.8 schwarze 834: ps_printf(p, "/Size %zu\n", base + 1);
835: ps_printf(p, "/Root %zu 0 R\n", base);
1.7 schwarze 836: ps_printf(p, "/Info 1 0 R\n");
837: ps_printf(p, ">>\n");
838: ps_printf(p, "startxref\n");
839: ps_printf(p, "%zu\n", xref);
840: ps_printf(p, "%%%%EOF\n");
1.1 schwarze 841: }
842:
843: static void
844: ps_begin(struct termp *p)
845: {
1.53 schwarze 846: size_t width, height;
1.4 schwarze 847: int i;
1.1 schwarze 848:
1.24 schwarze 849: /*
1.2 schwarze 850: * Print margins into margin buffer. Nothing gets output to the
851: * screen yet, so we don't need to initialise the primary state.
1.1 schwarze 852: */
853:
1.17 schwarze 854: if (p->ps->psmarg) {
855: assert(p->ps->psmargsz);
856: p->ps->psmarg[0] = '\0';
1.1 schwarze 857: }
858:
1.17 schwarze 859: /*p->ps->pdfbytes = 0;*/
860: p->ps->psmargcur = 0;
861: p->ps->flags = PS_MARGINS;
862: p->ps->pscol = p->ps->left;
863: p->ps->psrow = p->ps->header;
1.54 espie 864: p->ps->lastrow = 0; /* impossible row */
1.1 schwarze 865:
1.2 schwarze 866: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 867:
868: (*p->headf)(p, p->argf);
869: (*p->endline)(p);
870:
1.17 schwarze 871: p->ps->pscol = p->ps->left;
872: p->ps->psrow = p->ps->footer;
1.1 schwarze 873:
874: (*p->footf)(p, p->argf);
875: (*p->endline)(p);
876:
1.17 schwarze 877: p->ps->flags &= ~PS_MARGINS;
1.2 schwarze 878:
1.17 schwarze 879: assert(0 == p->ps->flags);
880: assert(p->ps->psmarg);
881: assert('\0' != p->ps->psmarg[0]);
1.1 schwarze 882:
1.24 schwarze 883: /*
1.2 schwarze 884: * Print header and initialise page state. Following this,
885: * stuff gets printed to the screen, so make sure we're sane.
886: */
887:
1.7 schwarze 888: if (TERMTYPE_PS == p->type) {
1.53 schwarze 889: width = AFM2PNT(p, p->ps->width);
890: height = AFM2PNT(p, p->ps->height);
891:
1.7 schwarze 892: ps_printf(p, "%%!PS-Adobe-3.0\n");
893: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
894: ps_printf(p, "%%%%Orientation: Portrait\n");
895: ps_printf(p, "%%%%Pages: (atend)\n");
896: ps_printf(p, "%%%%PageOrder: Ascend\n");
1.53 schwarze 897: ps_printf(p, "%%%%DocumentMedia: man-%s %zu %zu 0 () ()\n",
898: p->ps->medianame, width, height);
1.7 schwarze 899: ps_printf(p, "%%%%DocumentNeededResources: font");
1.4 schwarze 900:
1.7 schwarze 901: for (i = 0; i < (int)TERMFONT__MAX; i++)
902: ps_printf(p, " %s", fonts[i].name);
903:
1.54 espie 904: ps_printf(p, "\n%%%%DocumentSuppliedResources: "
905: "procset MandocProcs 1.0 0\n");
906: ps_printf(p, "%%%%EndComments\n");
907: ps_printf(p, "%%%%BeginProlog\n");
908: ps_printf(p, "%%%%BeginResource: procset MandocProcs "
909: "10170 10170\n");
910: /* The font size is effectively hard-coded for now. */
911: ps_printf(p, "/fs %zu def\n", p->ps->scale);
912: for (i = 0; i < (int)TERMFONT__MAX; i++)
913: ps_printf(p, "/f%d { /%s fs selectfont } def\n",
914: i, fonts[i].name);
915: ps_printf(p, "/s { 3 1 roll moveto show } bind def\n");
916: ps_printf(p, "/c { exch currentpoint exch pop "
917: "moveto show } bind def\n");
918: ps_printf(p, "%%%%EndResource\n");
919: ps_printf(p, "%%%%EndProlog\n");
1.53 schwarze 920: ps_printf(p, "%%%%BeginSetup\n");
921: ps_printf(p, "%%%%BeginFeature: *PageSize %s\n",
922: p->ps->medianame);
923: ps_printf(p, "<</PageSize [%zu %zu]>>setpagedevice\n",
924: width, height);
925: ps_printf(p, "%%%%EndFeature\n");
926: ps_printf(p, "%%%%EndSetup\n");
1.7 schwarze 927: } else {
928: ps_printf(p, "%%PDF-1.1\n");
1.8 schwarze 929: pdf_obj(p, 1);
1.7 schwarze 930: ps_printf(p, "<<\n");
931: ps_printf(p, ">>\n");
932: ps_printf(p, "endobj\n");
933:
934: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.8 schwarze 935: pdf_obj(p, (size_t)i + 3);
1.7 schwarze 936: ps_printf(p, "<<\n");
937: ps_printf(p, "/Type /Font\n");
938: ps_printf(p, "/Subtype /Type1\n");
1.20 schwarze 939: ps_printf(p, "/Name /F%d\n", i);
1.7 schwarze 940: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
1.50 schwarze 941: ps_printf(p, ">>\nendobj\n");
1.7 schwarze 942: }
943: }
944:
1.17 schwarze 945: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
946: p->ps->pscol = p->ps->left;
947: p->ps->psrow = p->ps->top;
948: p->ps->flags |= PS_NEWPAGE;
1.6 schwarze 949: ps_setfont(p, TERMFONT_NONE);
1.1 schwarze 950: }
951:
952: static void
1.4 schwarze 953: ps_pletter(struct termp *p, int c)
1.1 schwarze 954: {
1.4 schwarze 955: int f;
1.6 schwarze 956:
957: /*
958: * If we haven't opened a page context, then output that we're
959: * in a new page and make sure the font is correctly set.
960: */
961:
1.17 schwarze 962: if (PS_NEWPAGE & p->ps->flags) {
1.7 schwarze 963: if (TERMTYPE_PS == p->type) {
1.24 schwarze 964: ps_printf(p, "%%%%Page: %zu %zu\n",
965: p->ps->pages + 1, p->ps->pages + 1);
1.54 espie 966: ps_printf(p, "f%d\n", (int)p->ps->lastf);
1.7 schwarze 967: } else {
1.24 schwarze 968: pdf_obj(p, p->ps->pdfbody +
969: p->ps->pages * 4);
1.7 schwarze 970: ps_printf(p, "<<\n");
1.24 schwarze 971: ps_printf(p, "/Length %zu 0 R\n",
972: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.7 schwarze 973: ps_printf(p, ">>\nstream\n");
974: }
1.17 schwarze 975: p->ps->pdflastpg = p->ps->pdfbytes;
976: p->ps->flags &= ~PS_NEWPAGE;
1.6 schwarze 977: }
1.24 schwarze 978:
1.2 schwarze 979: /*
980: * If we're not in a PostScript "word" context, then open one
981: * now at the current cursor.
982: */
983:
1.17 schwarze 984: if ( ! (PS_INLINE & p->ps->flags)) {
1.7 schwarze 985: if (TERMTYPE_PS != p->type) {
1.24 schwarze 986: ps_printf(p, "BT\n/F%d %zu Tf\n",
987: (int)p->ps->lastf, p->ps->scale);
1.7 schwarze 988: ps_printf(p, "%.3f %.3f Td\n(",
1.24 schwarze 989: AFM2PNT(p, p->ps->pscol),
990: AFM2PNT(p, p->ps->psrow));
1.54 espie 991: } else {
992: ps_printf(p, "%.3f", AFM2PNT(p, p->ps->pscol));
993: if (p->ps->psrow != p->ps->lastrow)
994: ps_printf(p, " %.3f",
995: AFM2PNT(p, p->ps->psrow));
996: ps_printf(p, "(");
997: }
1.17 schwarze 998: p->ps->flags |= PS_INLINE;
1.1 schwarze 999: }
1000:
1.17 schwarze 1001: assert( ! (PS_NEWPAGE & p->ps->flags));
1.6 schwarze 1002:
1.1 schwarze 1003: /*
1004: * We need to escape these characters as per the PostScript
1005: * specification. We would also escape non-graphable characters
1006: * (like tabs), but none of them would get to this point and
1007: * it's superfluous to abort() on them.
1008: */
1009:
1010: switch (c) {
1.24 schwarze 1011: case '(':
1012: case ')':
1013: case '\\':
1.1 schwarze 1014: ps_putchar(p, '\\');
1015: break;
1016: default:
1017: break;
1018: }
1019:
1020: /* Write the character and adjust where we are on the page. */
1.2 schwarze 1021:
1.17 schwarze 1022: f = (int)p->ps->lastf;
1.4 schwarze 1023:
1.26 schwarze 1024: if (c <= 32 || c - 32 >= MAXCHAR)
1025: c = 32;
1.4 schwarze 1026:
1.6 schwarze 1027: ps_putchar(p, (char)c);
1.4 schwarze 1028: c -= 32;
1.17 schwarze 1029: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.1 schwarze 1030: }
1031:
1032: static void
1.2 schwarze 1033: ps_pclose(struct termp *p)
1034: {
1035:
1.24 schwarze 1036: /*
1.2 schwarze 1037: * Spit out that we're exiting a word context (this is a
1038: * "partial close" because we don't check the last-char buffer
1039: * or anything).
1040: */
1041:
1.17 schwarze 1042: if ( ! (PS_INLINE & p->ps->flags))
1.2 schwarze 1043: return;
1.24 schwarze 1044:
1.54 espie 1045: if (TERMTYPE_PS != p->type)
1.7 schwarze 1046: ps_printf(p, ") Tj\nET\n");
1.54 espie 1047: else if (p->ps->psrow == p->ps->lastrow)
1048: ps_printf(p, ")c\n");
1049: else {
1050: ps_printf(p, ")s\n");
1051: p->ps->lastrow = p->ps->psrow;
1052: }
1.7 schwarze 1053:
1.17 schwarze 1054: p->ps->flags &= ~PS_INLINE;
1.2 schwarze 1055: }
1056:
1.46 schwarze 1057: /* If we have a `last' char that wasn't printed yet, print it now. */
1.2 schwarze 1058: static void
1.46 schwarze 1059: ps_plast(struct termp *p)
1.2 schwarze 1060: {
1.46 schwarze 1061: size_t wx;
1062:
1063: if (p->ps->last == '\0')
1064: return;
1065:
1066: /* Check the font mode; open a new scope if it doesn't match. */
1067:
1068: if (p->ps->nextf != p->ps->lastf) {
1069: ps_pclose(p);
1070: ps_setfont(p, p->ps->nextf);
1071: }
1072: p->ps->nextf = TERMFONT_NONE;
1.2 schwarze 1073:
1074: /*
1.46 schwarze 1075: * For an overstrike, if a previous character
1076: * was wider, advance to center the new one.
1.2 schwarze 1077: */
1078:
1.46 schwarze 1079: if (p->ps->pscolnext) {
1080: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1081: if (p->ps->pscol + wx < p->ps->pscolnext)
1082: p->ps->pscol = (p->ps->pscol +
1083: p->ps->pscolnext - wx) / 2;
1.2 schwarze 1084: }
1085:
1.46 schwarze 1086: ps_pletter(p, p->ps->last);
1087: p->ps->last = '\0';
1088:
1089: /*
1090: * For an overstrike, if a previous character
1091: * was wider, advance to the end of the old one.
1092: */
1.2 schwarze 1093:
1.46 schwarze 1094: if (p->ps->pscol < p->ps->pscolnext) {
1095: ps_pclose(p);
1096: p->ps->pscol = p->ps->pscolnext;
1097: }
1.2 schwarze 1098: }
1099:
1100: static void
1.17 schwarze 1101: ps_letter(struct termp *p, int arg)
1.2 schwarze 1102: {
1.46 schwarze 1103: size_t savecol;
1.30 schwarze 1104: char c;
1.17 schwarze 1105:
1106: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.2 schwarze 1107:
1108: /*
1.32 schwarze 1109: * When receiving a backspace, merely flag it.
1110: * We don't know yet whether it is
1111: * a font instruction or an overstrike.
1.2 schwarze 1112: */
1113:
1.32 schwarze 1114: if (c == '\b') {
1.29 schwarze 1115: assert(p->ps->last != '\0');
1.32 schwarze 1116: assert( ! (p->ps->flags & PS_BACKSP));
1117: p->ps->flags |= PS_BACKSP;
1118: return;
1119: }
1120:
1121: /*
1122: * Decode font instructions.
1123: */
1124:
1125: if (p->ps->flags & PS_BACKSP) {
1126: if (p->ps->last == '_') {
1.29 schwarze 1127: switch (p->ps->nextf) {
1128: case TERMFONT_BI:
1129: break;
1130: case TERMFONT_BOLD:
1131: p->ps->nextf = TERMFONT_BI;
1132: break;
1133: default:
1134: p->ps->nextf = TERMFONT_UNDER;
1135: }
1.32 schwarze 1136: p->ps->last = c;
1137: p->ps->flags &= ~PS_BACKSP;
1138: return;
1139: }
1140: if (p->ps->last == c) {
1.29 schwarze 1141: switch (p->ps->nextf) {
1142: case TERMFONT_BI:
1143: break;
1144: case TERMFONT_UNDER:
1145: p->ps->nextf = TERMFONT_BI;
1146: break;
1147: default:
1148: p->ps->nextf = TERMFONT_BOLD;
1.2 schwarze 1149: }
1.32 schwarze 1150: p->ps->flags &= ~PS_BACKSP;
1151: return;
1.2 schwarze 1152: }
1.32 schwarze 1153:
1154: /*
1155: * This is not a font instruction, but rather
1156: * the next character. Prepare for overstrike.
1157: */
1158:
1159: savecol = p->ps->pscol;
1160: } else
1161: savecol = SIZE_MAX;
1162:
1163: /*
1164: * We found the next character, so the font instructions
1165: * for the previous one are complete.
1166: * Use them and print it.
1167: */
1168:
1.46 schwarze 1169: ps_plast(p);
1.32 schwarze 1170:
1171: /*
1172: * Do not print the current character yet because font
1.46 schwarze 1173: * instructions might follow; only remember the character.
1174: * It will get printed later from ps_plast().
1.32 schwarze 1175: */
1176:
1.29 schwarze 1177: p->ps->last = c;
1.32 schwarze 1178:
1179: /*
1180: * For an overstrike, back up to the previous position.
1.37 schwarze 1181: * If the previous character is wider than any it overstrikes,
1182: * remember the current position, because it might also be
1183: * wider than all that will overstrike it.
1.32 schwarze 1184: */
1185:
1186: if (savecol != SIZE_MAX) {
1.37 schwarze 1187: if (p->ps->pscolnext < p->ps->pscol)
1188: p->ps->pscolnext = p->ps->pscol;
1.32 schwarze 1189: ps_pclose(p);
1190: p->ps->pscol = savecol;
1191: p->ps->flags &= ~PS_BACKSP;
1.37 schwarze 1192: } else
1193: p->ps->pscolnext = 0;
1.2 schwarze 1194: }
1195:
1196: static void
1.1 schwarze 1197: ps_advance(struct termp *p, size_t len)
1198: {
1199:
1.2 schwarze 1200: /*
1201: * Advance some spaces. This can probably be made smarter,
1202: * i.e., to have multiple space-separated words in the same
1203: * scope, but this is easier: just close out the current scope
1204: * and readjust our column settings.
1205: */
1.1 schwarze 1206:
1.46 schwarze 1207: ps_plast(p);
1208: ps_pclose(p);
1.17 schwarze 1209: p->ps->pscol += len;
1.1 schwarze 1210: }
1211:
1212: static void
1213: ps_endline(struct termp *p)
1214: {
1215:
1.2 schwarze 1216: /* Close out any scopes we have open: we're at eoln. */
1217:
1.46 schwarze 1218: ps_plast(p);
1219: ps_pclose(p);
1.2 schwarze 1220:
1221: /*
1222: * If we're in the margin, don't try to recalculate our current
1223: * row. XXX: if the column tries to be fancy with multiple
1.24 schwarze 1224: * lines, we'll do nasty stuff.
1.2 schwarze 1225: */
1.1 schwarze 1226:
1.17 schwarze 1227: if (PS_MARGINS & p->ps->flags)
1.6 schwarze 1228: return;
1229:
1230: /* Left-justify. */
1231:
1.17 schwarze 1232: p->ps->pscol = p->ps->left;
1.6 schwarze 1233:
1234: /* If we haven't printed anything, return. */
1235:
1.17 schwarze 1236: if (PS_NEWPAGE & p->ps->flags)
1.1 schwarze 1237: return;
1238:
1.2 schwarze 1239: /*
1240: * Put us down a line. If we're at the page bottom, spit out a
1241: * showpage and restart our row.
1242: */
1243:
1.24 schwarze 1244: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.17 schwarze 1245: p->ps->psrow -= p->ps->lineheight;
1.1 schwarze 1246: return;
1247: }
1248:
1.7 schwarze 1249: ps_closepage(p);
1.48 schwarze 1250:
1.56 ! schwarze 1251: if ((int)p->tcol->offset > p->ti)
! 1252: p->tcol->offset -= p->ti;
! 1253: else
! 1254: p->tcol->offset = 0;
1.48 schwarze 1255: p->ti = 0;
1.1 schwarze 1256: }
1.2 schwarze 1257:
1258: static void
1259: ps_setfont(struct termp *p, enum termfont f)
1260: {
1261:
1.4 schwarze 1262: assert(f < TERMFONT__MAX);
1.17 schwarze 1263: p->ps->lastf = f;
1.24 schwarze 1264:
1.6 schwarze 1265: /*
1266: * If we're still at the top of the page, let the font-setting
1267: * be delayed until we actually have stuff to print.
1268: */
1269:
1.17 schwarze 1270: if (PS_NEWPAGE & p->ps->flags)
1.6 schwarze 1271: return;
1272:
1.7 schwarze 1273: if (TERMTYPE_PS == p->type)
1.54 espie 1274: ps_printf(p, "f%d\n", (int)f);
1.7 schwarze 1275: else
1.24 schwarze 1276: ps_printf(p, "/F%d %zu Tf\n",
1277: (int)f, p->ps->scale);
1.2 schwarze 1278: }
1279:
1.3 schwarze 1280: static size_t
1.17 schwarze 1281: ps_width(const struct termp *p, int c)
1.3 schwarze 1282: {
1283:
1.4 schwarze 1284: if (c <= 32 || c - 32 >= MAXCHAR)
1.26 schwarze 1285: c = 0;
1286: else
1287: c -= 32;
1.4 schwarze 1288:
1.40 schwarze 1289: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.6 schwarze 1290: }
1291:
1.39 schwarze 1292: static int
1.6 schwarze 1293: ps_hspan(const struct termp *p, const struct roffsu *su)
1294: {
1295: double r;
1.24 schwarze 1296:
1.6 schwarze 1297: /*
1298: * All of these measurements are derived by converting from the
1299: * native measurement to AFM units.
1300: */
1301: switch (su->unit) {
1.28 schwarze 1302: case SCALE_BU:
1303: /*
1304: * Traditionally, the default unit is fixed to the
1305: * output media. So this would refer to the point. In
1306: * mandoc(1), however, we stick to the default terminal
1307: * scaling unit so that output is the same regardless
1308: * the media.
1309: */
1310: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1311: break;
1.24 schwarze 1312: case SCALE_CM:
1.28 schwarze 1313: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1314: break;
1315: case SCALE_EM:
1316: r = su->scale *
1317: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1318: break;
1319: case SCALE_EN:
1320: r = su->scale *
1321: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.6 schwarze 1322: break;
1.24 schwarze 1323: case SCALE_IN:
1.27 schwarze 1324: r = PNT2AFM(p, su->scale * 72.0);
1.6 schwarze 1325: break;
1.28 schwarze 1326: case SCALE_MM:
1327: r = su->scale *
1328: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1329: break;
1.24 schwarze 1330: case SCALE_PC:
1.27 schwarze 1331: r = PNT2AFM(p, su->scale * 12.0);
1.6 schwarze 1332: break;
1.24 schwarze 1333: case SCALE_PT:
1.28 schwarze 1334: r = PNT2AFM(p, su->scale * 1.0);
1.6 schwarze 1335: break;
1.24 schwarze 1336: case SCALE_VS:
1.17 schwarze 1337: r = su->scale * p->ps->lineheight;
1.6 schwarze 1338: break;
1339: default:
1340: r = su->scale;
1341: break;
1342: }
1343:
1.40 schwarze 1344: return r * 24.0;
1.17 schwarze 1345: }
1346:
1347: static void
1348: ps_growbuf(struct termp *p, size_t sz)
1349: {
1350: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1351: return;
1352:
1353: if (sz < PS_BUFSLOP)
1354: sz = PS_BUFSLOP;
1355:
1356: p->ps->psmargsz += sz;
1.25 schwarze 1357: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.3 schwarze 1358: }
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