Annotation of mandoc/term_ps.c, Revision 1.88
1.88 ! schwarze 1: /* $Id: term_ps.c,v 1.87 2017/10/25 20:48:48 schwarze Exp $ */
1.1 kristaps 2: /*
1.53 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.84 schwarze 4: * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 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: *
1.73 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.73 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 kristaps 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: */
18: #include "config.h"
19:
1.43 kristaps 20: #include <sys/types.h>
1.4 kristaps 21:
1.2 kristaps 22: #include <assert.h>
1.79 schwarze 23: #if HAVE_ERR
1.76 schwarze 24: #include <err.h>
1.79 schwarze 25: #endif
1.4 kristaps 26: #include <stdarg.h>
1.17 kristaps 27: #include <stdint.h>
1.2 kristaps 28: #include <stdio.h>
1.1 kristaps 29: #include <stdlib.h>
1.4 kristaps 30: #include <string.h>
1.26 kristaps 31: #include <unistd.h>
1.1 kristaps 32:
1.56 schwarze 33: #include "mandoc_aux.h"
1.1 kristaps 34: #include "out.h"
1.70 schwarze 35: #include "term.h"
1.73 schwarze 36: #include "manconf.h"
1.1 kristaps 37: #include "main.h"
38:
1.50 kristaps 39: /* These work the buffer used by the header and footer. */
40: #define PS_BUFSLOP 128
41:
1.21 kristaps 42: /* Convert PostScript point "x" to an AFM unit. */
1.59 schwarze 43: #define PNT2AFM(p, x) \
1.50 kristaps 44: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 45:
46: /* Convert an AFM unit "x" to a PostScript points */
1.59 schwarze 47: #define AFM2PNT(p, x) \
1.50 kristaps 48: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 49:
1.13 kristaps 50: struct glyph {
1.36 kristaps 51: unsigned short wx; /* WX in AFM */
1.13 kristaps 52: };
53:
54: struct font {
55: const char *name; /* FontName in AFM */
1.15 kristaps 56: #define MAXCHAR 95 /* total characters we can handle */
1.13 kristaps 57: struct glyph gly[MAXCHAR]; /* glyph metrics */
58: };
59:
1.50 kristaps 60: struct termp_ps {
61: int flags;
62: #define PS_INLINE (1 << 0) /* we're in a word */
63: #define PS_MARGINS (1 << 1) /* we're in the margins */
64: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.67 schwarze 65: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.50 kristaps 66: size_t pscol; /* visible column (AFM units) */
1.72 schwarze 67: size_t pscolnext; /* used for overstrike */
1.50 kristaps 68: size_t psrow; /* visible row (AFM units) */
69: char *psmarg; /* margin buf */
70: size_t psmargsz; /* margin buf size */
71: size_t psmargcur; /* cur index in margin buf */
1.67 schwarze 72: char last; /* last non-backspace seen */
1.50 kristaps 73: enum termfont lastf; /* last set font */
1.65 schwarze 74: enum termfont nextf; /* building next font here */
1.50 kristaps 75: size_t scale; /* font scaling factor */
76: size_t pages; /* number of pages shown */
77: size_t lineheight; /* line height (AFM units) */
78: size_t top; /* body top (AFM units) */
79: size_t bottom; /* body bottom (AFM units) */
80: size_t height; /* page height (AFM units */
81: size_t width; /* page width (AFM units) */
1.57 schwarze 82: size_t lastwidth; /* page width before last ll */
1.50 kristaps 83: size_t left; /* body left (AFM units) */
84: size_t header; /* header pos (AFM units) */
85: size_t footer; /* footer pos (AFM units) */
1.59 schwarze 86: size_t pdfbytes; /* current output byte */
1.50 kristaps 87: size_t pdflastpg; /* byte of last page mark */
88: size_t pdfbody; /* start of body object */
89: size_t *pdfobjs; /* table of object offsets */
90: size_t pdfobjsz; /* size of pdfobjs */
91: };
92:
1.74 schwarze 93: static int ps_hspan(const struct termp *,
1.50 kristaps 94: const struct roffsu *);
95: static size_t ps_width(const struct termp *, int);
96: static void ps_advance(struct termp *, size_t);
97: static void ps_begin(struct termp *);
98: static void ps_closepage(struct termp *);
99: static void ps_end(struct termp *);
100: static void ps_endline(struct termp *);
101: static void ps_growbuf(struct termp *, size_t);
102: static void ps_letter(struct termp *, int);
103: static void ps_pclose(struct termp *);
1.82 schwarze 104: static void ps_plast(struct termp *);
1.50 kristaps 105: static void ps_pletter(struct termp *, int);
1.81 schwarze 106: static void ps_printf(struct termp *, const char *, ...)
1.83 schwarze 107: __attribute__((__format__ (__printf__, 2, 3)));
1.50 kristaps 108: static void ps_putchar(struct termp *, char);
109: static void ps_setfont(struct termp *, enum termfont);
1.74 schwarze 110: static void ps_setwidth(struct termp *, int, int);
1.78 schwarze 111: static struct termp *pspdf_alloc(const struct manoutput *);
1.50 kristaps 112: static void pdf_obj(struct termp *, size_t);
113:
1.13 kristaps 114: /*
115: * We define, for the time being, three fonts: bold, oblique/italic, and
116: * normal (roman). The following table hard-codes the font metrics for
117: * ASCII, i.e., 32--127.
118: */
119:
1.16 kristaps 120: static const struct font fonts[TERMFONT__MAX] = {
1.24 kristaps 121: { "Times-Roman", {
122: { 250 },
123: { 333 },
124: { 408 },
125: { 500 },
126: { 500 },
127: { 833 },
128: { 778 },
129: { 333 },
130: { 333 },
131: { 333 },
132: { 500 },
133: { 564 },
134: { 250 },
135: { 333 },
136: { 250 },
137: { 278 },
138: { 500 },
139: { 500 },
140: { 500 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 500 },
146: { 500 },
147: { 500 },
148: { 278 },
149: { 278 },
150: { 564 },
151: { 564 },
152: { 564 },
153: { 444 },
154: { 921 },
155: { 722 },
156: { 667 },
157: { 667 },
158: { 722 },
159: { 611 },
160: { 556 },
161: { 722 },
162: { 722 },
163: { 333 },
164: { 389 },
165: { 722 },
166: { 611 },
167: { 889 },
168: { 722 },
169: { 722 },
170: { 556 },
171: { 722 },
172: { 667 },
173: { 556 },
174: { 611 },
175: { 722 },
176: { 722 },
177: { 944 },
178: { 722 },
179: { 722 },
180: { 611 },
181: { 333 },
182: { 278 },
183: { 333 },
184: { 469 },
185: { 500 },
186: { 333 },
187: { 444 },
188: { 500 },
189: { 444 },
190: { 500},
191: { 444},
192: { 333},
193: { 500},
194: { 500},
195: { 278},
196: { 278},
197: { 500},
198: { 278},
199: { 778},
200: { 500},
201: { 500},
202: { 500},
203: { 500},
204: { 333},
205: { 389},
206: { 278},
207: { 500},
208: { 500},
209: { 722},
210: { 500},
211: { 500},
212: { 444},
213: { 480},
214: { 200},
215: { 480},
216: { 541},
217: } },
218: { "Times-Bold", {
219: { 250 },
220: { 333 },
221: { 555 },
222: { 500 },
223: { 500 },
224: { 1000 },
225: { 833 },
226: { 333 },
227: { 333 },
228: { 333 },
229: { 500 },
230: { 570 },
231: { 250 },
232: { 333 },
233: { 250 },
234: { 278 },
235: { 500 },
236: { 500 },
237: { 500 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 500 },
243: { 500 },
244: { 500 },
245: { 333 },
246: { 333 },
247: { 570 },
248: { 570 },
249: { 570 },
250: { 500 },
251: { 930 },
252: { 722 },
253: { 667 },
254: { 722 },
255: { 722 },
256: { 667 },
257: { 611 },
258: { 778 },
259: { 778 },
260: { 389 },
261: { 500 },
262: { 778 },
263: { 667 },
264: { 944 },
265: { 722 },
266: { 778 },
267: { 611 },
268: { 778 },
269: { 722 },
270: { 556 },
271: { 667 },
272: { 722 },
273: { 722 },
274: { 1000 },
275: { 722 },
276: { 722 },
277: { 667 },
278: { 333 },
279: { 278 },
280: { 333 },
281: { 581 },
282: { 500 },
283: { 333 },
284: { 500 },
285: { 556 },
286: { 444 },
1.22 kristaps 287: { 556 },
1.24 kristaps 288: { 444 },
289: { 333 },
1.22 kristaps 290: { 500 },
1.24 kristaps 291: { 556 },
1.22 kristaps 292: { 278 },
1.24 kristaps 293: { 333 },
294: { 556 },
1.22 kristaps 295: { 278 },
1.24 kristaps 296: { 833 },
1.22 kristaps 297: { 556 },
1.24 kristaps 298: { 500 },
1.22 kristaps 299: { 556 },
300: { 556 },
301: { 444 },
1.24 kristaps 302: { 389 },
303: { 333 },
1.22 kristaps 304: { 556 },
305: { 500 },
1.24 kristaps 306: { 722 },
307: { 500 },
1.22 kristaps 308: { 500 },
1.24 kristaps 309: { 444 },
310: { 394 },
311: { 220 },
312: { 394 },
313: { 520 },
1.13 kristaps 314: } },
1.24 kristaps 315: { "Times-Italic", {
316: { 250 },
317: { 333 },
318: { 420 },
319: { 500 },
320: { 500 },
321: { 833 },
322: { 778 },
323: { 333 },
324: { 333 },
325: { 333 },
326: { 500 },
327: { 675 },
328: { 250 },
329: { 333 },
330: { 250 },
331: { 278 },
332: { 500 },
333: { 500 },
334: { 500 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 500 },
340: { 500 },
341: { 500 },
342: { 333 },
343: { 333 },
344: { 675 },
345: { 675 },
346: { 675 },
347: { 500 },
348: { 920 },
349: { 611 },
350: { 611 },
351: { 667 },
352: { 722 },
353: { 611 },
354: { 611 },
355: { 722 },
356: { 722 },
357: { 333 },
358: { 444 },
359: { 667 },
360: { 556 },
361: { 833 },
362: { 667 },
363: { 722 },
364: { 611 },
365: { 722 },
366: { 611 },
367: { 500 },
368: { 556 },
369: { 722 },
370: { 611 },
371: { 833 },
372: { 611 },
373: { 556 },
374: { 556 },
375: { 389 },
376: { 278 },
377: { 389 },
378: { 422 },
379: { 500 },
380: { 333 },
381: { 500 },
382: { 500 },
383: { 444 },
1.22 kristaps 384: { 500 },
1.24 kristaps 385: { 444 },
386: { 278 },
1.22 kristaps 387: { 500 },
388: { 500 },
389: { 278 },
1.24 kristaps 390: { 278 },
391: { 444 },
392: { 278 },
393: { 722 },
394: { 500 },
395: { 500 },
396: { 500 },
1.22 kristaps 397: { 500 },
1.24 kristaps 398: { 389 },
399: { 389 },
1.22 kristaps 400: { 278 },
401: { 500 },
1.24 kristaps 402: { 444 },
403: { 667 },
404: { 444 },
405: { 444 },
406: { 389 },
407: { 400 },
1.22 kristaps 408: { 275 },
1.24 kristaps 409: { 400 },
410: { 541 },
1.13 kristaps 411: } },
1.65 schwarze 412: { "Times-BoldItalic", {
413: { 250 },
414: { 389 },
415: { 555 },
416: { 500 },
417: { 500 },
418: { 833 },
419: { 778 },
420: { 333 },
421: { 333 },
422: { 333 },
423: { 500 },
424: { 570 },
425: { 250 },
426: { 333 },
427: { 250 },
428: { 278 },
429: { 500 },
430: { 500 },
431: { 500 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 500 },
437: { 500 },
438: { 500 },
439: { 333 },
440: { 333 },
441: { 570 },
442: { 570 },
443: { 570 },
444: { 500 },
445: { 832 },
446: { 667 },
447: { 667 },
448: { 667 },
449: { 722 },
450: { 667 },
451: { 667 },
452: { 722 },
453: { 778 },
454: { 389 },
455: { 500 },
456: { 667 },
457: { 611 },
458: { 889 },
459: { 722 },
460: { 722 },
461: { 611 },
462: { 722 },
463: { 667 },
464: { 556 },
465: { 611 },
466: { 722 },
467: { 667 },
468: { 889 },
469: { 667 },
470: { 611 },
471: { 611 },
472: { 333 },
473: { 278 },
474: { 333 },
475: { 570 },
476: { 500 },
477: { 333 },
478: { 500 },
479: { 500 },
480: { 444 },
481: { 500 },
482: { 444 },
483: { 333 },
484: { 500 },
485: { 556 },
486: { 278 },
487: { 278 },
488: { 500 },
489: { 278 },
490: { 778 },
491: { 556 },
492: { 500 },
493: { 500 },
494: { 500 },
495: { 389 },
496: { 389 },
497: { 278 },
498: { 556 },
499: { 444 },
500: { 667 },
501: { 500 },
502: { 444 },
503: { 389 },
504: { 348 },
505: { 220 },
506: { 348 },
507: { 570 },
508: } },
1.13 kristaps 509: };
510:
1.37 kristaps 511: void *
1.78 schwarze 512: pdf_alloc(const struct manoutput *outopts)
1.37 kristaps 513: {
514: struct termp *p;
515:
1.78 schwarze 516: if (NULL != (p = pspdf_alloc(outopts)))
1.38 kristaps 517: p->type = TERMTYPE_PDF;
1.37 kristaps 518:
1.75 schwarze 519: return p;
1.37 kristaps 520: }
1.2 kristaps 521:
1.1 kristaps 522: void *
1.78 schwarze 523: ps_alloc(const struct manoutput *outopts)
1.1 kristaps 524: {
525: struct termp *p;
1.37 kristaps 526:
1.78 schwarze 527: if (NULL != (p = pspdf_alloc(outopts)))
1.38 kristaps 528: p->type = TERMTYPE_PS;
1.37 kristaps 529:
1.75 schwarze 530: return p;
1.37 kristaps 531: }
532:
533: static struct termp *
1.78 schwarze 534: pspdf_alloc(const struct manoutput *outopts)
1.37 kristaps 535: {
536: struct termp *p;
1.52 kristaps 537: unsigned int pagex, pagey;
538: size_t marginx, marginy, lineheight;
1.25 kristaps 539: const char *pp;
1.1 kristaps 540:
1.85 schwarze 541: p = mandoc_calloc(1, sizeof(*p));
542: p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
543: p->maxtcol = 1;
544:
1.51 kristaps 545: p->enc = TERMENC_ASCII;
1.71 schwarze 546: p->fontq = mandoc_reallocarray(NULL,
1.85 schwarze 547: (p->fontsz = 8), sizeof(*p->fontq));
1.71 schwarze 548: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.85 schwarze 549: p->ps = mandoc_calloc(1, sizeof(*p->ps));
1.1 kristaps 550:
1.19 kristaps 551: p->advance = ps_advance;
1.2 kristaps 552: p->begin = ps_begin;
553: p->end = ps_end;
554: p->endline = ps_endline;
1.19 kristaps 555: p->hspan = ps_hspan;
556: p->letter = ps_letter;
1.57 schwarze 557: p->setwidth = ps_setwidth;
1.11 kristaps 558: p->width = ps_width;
1.59 schwarze 559:
1.25 kristaps 560: /* Default to US letter (millimetres). */
561:
1.31 kristaps 562: pagex = 216;
563: pagey = 279;
1.25 kristaps 564:
565: /*
566: * The ISO-269 paper sizes can be calculated automatically, but
567: * it would require bringing in -lm for pow() and I'd rather not
568: * do that. So just do it the easy way for now. Since this
569: * only happens once, I'm not terribly concerned.
570: */
571:
1.73 schwarze 572: pp = outopts->paper;
1.25 kristaps 573: if (pp && strcasecmp(pp, "letter")) {
574: if (0 == strcasecmp(pp, "a3")) {
575: pagex = 297;
576: pagey = 420;
577: } else if (0 == strcasecmp(pp, "a4")) {
578: pagex = 210;
579: pagey = 297;
580: } else if (0 == strcasecmp(pp, "a5")) {
581: pagex = 148;
582: pagey = 210;
583: } else if (0 == strcasecmp(pp, "legal")) {
584: pagex = 216;
585: pagey = 356;
1.52 kristaps 586: } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
1.76 schwarze 587: warnx("%s: Unknown paper", pp);
1.54 schwarze 588: }
1.27 kristaps 589:
1.59 schwarze 590: /*
1.27 kristaps 591: * This MUST be defined before any PNT2AFM or AFM2PNT
592: * calculations occur.
593: */
594:
1.50 kristaps 595: p->ps->scale = 11;
1.27 kristaps 596:
1.25 kristaps 597: /* Remember millimetres -> AFM units. */
598:
1.88 ! schwarze 599: pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
! 600: pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
1.25 kristaps 601:
1.28 kristaps 602: /* Margins are 1/9 the page x and y. */
1.27 kristaps 603:
1.59 schwarze 604: marginx = (size_t)((double)pagex / 9.0);
605: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 606:
1.31 kristaps 607: /* Line-height is 1.4em. */
608:
1.50 kristaps 609: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 610:
1.57 schwarze 611: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 612: p->ps->height = (size_t)pagey;
1.50 kristaps 613: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
614: p->ps->top = pagey - marginy;
615: p->ps->footer = (marginy / 2) - (lineheight / 2);
616: p->ps->bottom = marginy;
617: p->ps->left = marginx;
618: p->ps->lineheight = lineheight;
1.16 kristaps 619:
1.28 kristaps 620: p->defrmargin = pagex - (marginx * 2);
1.75 schwarze 621: return p;
1.57 schwarze 622: }
623:
624: static void
1.74 schwarze 625: ps_setwidth(struct termp *p, int iop, int width)
1.57 schwarze 626: {
627: size_t lastwidth;
628:
629: lastwidth = p->ps->width;
1.69 schwarze 630: if (iop > 0)
1.58 schwarze 631: p->ps->width += width;
1.69 schwarze 632: else if (iop == 0)
1.74 schwarze 633: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
634: else if (p->ps->width > (size_t)width)
1.58 schwarze 635: p->ps->width -= width;
636: else
1.69 schwarze 637: p->ps->width = 0;
1.57 schwarze 638: p->ps->lastwidth = lastwidth;
1.1 kristaps 639: }
640:
641: void
1.37 kristaps 642: pspdf_free(void *arg)
1.1 kristaps 643: {
1.4 kristaps 644: struct termp *p;
645:
646: p = (struct termp *)arg;
647:
1.80 schwarze 648: free(p->ps->psmarg);
649: free(p->ps->pdfobjs);
1.4 kristaps 650:
1.50 kristaps 651: free(p->ps);
1.4 kristaps 652: term_free(p);
653: }
654:
655: static void
656: ps_printf(struct termp *p, const char *fmt, ...)
657: {
658: va_list ap;
1.37 kristaps 659: int pos, len;
1.4 kristaps 660:
661: va_start(ap, fmt);
662:
663: /*
664: * If we're running in regular mode, then pipe directly into
665: * vprintf(). If we're processing margins, then push the data
666: * into our growable margin buffer.
667: */
1.1 kristaps 668:
1.50 kristaps 669: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 670: len = vprintf(fmt, ap);
1.4 kristaps 671: va_end(ap);
1.59 schwarze 672: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 673: return;
674: }
675:
1.59 schwarze 676: /*
1.4 kristaps 677: * XXX: I assume that the in-margin print won't exceed
678: * PS_BUFSLOP (128 bytes), which is reasonable but still an
679: * assumption that will cause pukeage if it's not the case.
680: */
681:
1.40 joerg 682: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 683:
1.50 kristaps 684: pos = (int)p->ps->psmargcur;
1.54 schwarze 685: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 686:
687: va_end(ap);
1.37 kristaps 688:
1.50 kristaps 689: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 690: }
691:
692: static void
693: ps_putchar(struct termp *p, char c)
694: {
695: int pos;
696:
697: /* See ps_printf(). */
698:
1.50 kristaps 699: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 700: putchar(c);
1.50 kristaps 701: p->ps->pdfbytes++;
1.4 kristaps 702: return;
703: }
704:
1.40 joerg 705: ps_growbuf(p, 2);
1.4 kristaps 706:
1.50 kristaps 707: pos = (int)p->ps->psmargcur++;
708: p->ps->psmarg[pos++] = c;
709: p->ps->psmarg[pos] = '\0';
1.2 kristaps 710: }
711:
1.37 kristaps 712: static void
1.39 kristaps 713: pdf_obj(struct termp *p, size_t obj)
714: {
715:
716: assert(obj > 0);
717:
1.50 kristaps 718: if ((obj - 1) >= p->ps->pdfobjsz) {
719: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 720: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
721: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 722: }
723:
1.50 kristaps 724: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 725: ps_printf(p, "%zu 0 obj\n", obj);
726: }
727:
728: static void
1.37 kristaps 729: ps_closepage(struct termp *p)
730: {
731: int i;
1.38 kristaps 732: size_t len, base;
733:
734: /*
735: * Close out a page that we've already flushed to output. In
736: * PostScript, we simply note that the page must be showed. In
737: * PDF, we must now create the Length, Resource, and Page node
738: * for the page contents.
739: */
1.37 kristaps 740:
1.50 kristaps 741: assert(p->ps->psmarg && p->ps->psmarg[0]);
742: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 743:
1.38 kristaps 744: if (TERMTYPE_PS != p->type) {
1.50 kristaps 745: len = p->ps->pdfbytes - p->ps->pdflastpg;
746: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 747:
748: ps_printf(p, "endstream\nendobj\n");
749:
750: /* Length of content. */
1.39 kristaps 751: pdf_obj(p, base + 1);
1.38 kristaps 752: ps_printf(p, "%zu\nendobj\n", len);
753:
754: /* Resource for content. */
1.39 kristaps 755: pdf_obj(p, base + 2);
1.38 kristaps 756: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 757: ps_printf(p, "/Font <<\n");
1.59 schwarze 758: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 759: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.86 schwarze 760: ps_printf(p, ">>\n>>\nendobj\n");
1.38 kristaps 761:
762: /* Page node. */
1.39 kristaps 763: pdf_obj(p, base + 3);
764: ps_printf(p, "<<\n");
1.37 kristaps 765: ps_printf(p, "/Type /Page\n");
766: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 767: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
768: ps_printf(p, "/Contents %zu 0 R\n", base);
769: ps_printf(p, ">>\nendobj\n");
770: } else
771: ps_printf(p, "showpage\n");
1.37 kristaps 772:
1.50 kristaps 773: p->ps->pages++;
774: p->ps->psrow = p->ps->top;
775: assert( ! (PS_NEWPAGE & p->ps->flags));
776: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 777: }
778:
1.2 kristaps 779: static void
780: ps_end(struct termp *p)
781: {
1.38 kristaps 782: size_t i, xref, base;
1.2 kristaps 783:
1.82 schwarze 784: ps_plast(p);
785: ps_pclose(p);
786:
1.4 kristaps 787: /*
788: * At the end of the file, do one last showpage. This is the
789: * same behaviour as groff(1) and works for multiple pages as
790: * well as just one.
791: */
792:
1.50 kristaps 793: if ( ! (PS_NEWPAGE & p->ps->flags)) {
794: assert(0 == p->ps->flags);
795: assert('\0' == p->ps->last);
1.37 kristaps 796: ps_closepage(p);
1.30 kristaps 797: }
1.16 kristaps 798:
1.37 kristaps 799: if (TERMTYPE_PS == p->type) {
800: ps_printf(p, "%%%%Trailer\n");
1.50 kristaps 801: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.37 kristaps 802: ps_printf(p, "%%%%EOF\n");
803: return;
1.59 schwarze 804: }
1.37 kristaps 805:
1.39 kristaps 806: pdf_obj(p, 2);
807: ps_printf(p, "<<\n/Type /Pages\n");
1.37 kristaps 808: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.50 kristaps 809: (size_t)AFM2PNT(p, p->ps->width),
810: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 811:
1.50 kristaps 812: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.37 kristaps 813: ps_printf(p, "/Kids [");
814:
1.50 kristaps 815: for (i = 0; i < p->ps->pages; i++)
1.59 schwarze 816: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.38 kristaps 817:
1.59 schwarze 818: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.38 kristaps 819:
820: ps_printf(p, "]\n>>\nendobj\n");
1.39 kristaps 821: pdf_obj(p, base);
1.37 kristaps 822: ps_printf(p, "<<\n");
823: ps_printf(p, "/Type /Catalog\n");
824: ps_printf(p, "/Pages 2 0 R\n");
1.86 schwarze 825: ps_printf(p, ">>\nendobj\n");
1.50 kristaps 826: xref = p->ps->pdfbytes;
1.37 kristaps 827: ps_printf(p, "xref\n");
1.38 kristaps 828: ps_printf(p, "0 %zu\n", base + 1);
1.39 kristaps 829: ps_printf(p, "0000000000 65535 f \n");
830:
831: for (i = 0; i < base; i++)
1.59 schwarze 832: ps_printf(p, "%.10zu 00000 n \n",
833: p->ps->pdfobjs[(int)i]);
1.39 kristaps 834:
1.37 kristaps 835: ps_printf(p, "trailer\n");
836: ps_printf(p, "<<\n");
1.38 kristaps 837: ps_printf(p, "/Size %zu\n", base + 1);
838: ps_printf(p, "/Root %zu 0 R\n", base);
1.37 kristaps 839: ps_printf(p, "/Info 1 0 R\n");
840: ps_printf(p, ">>\n");
841: ps_printf(p, "startxref\n");
842: ps_printf(p, "%zu\n", xref);
843: ps_printf(p, "%%%%EOF\n");
1.2 kristaps 844: }
845:
846: static void
847: ps_begin(struct termp *p)
848: {
1.16 kristaps 849: int i;
1.2 kristaps 850:
1.59 schwarze 851: /*
1.9 kristaps 852: * Print margins into margin buffer. Nothing gets output to the
853: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 854: */
855:
1.50 kristaps 856: if (p->ps->psmarg) {
857: assert(p->ps->psmargsz);
858: p->ps->psmarg[0] = '\0';
1.4 kristaps 859: }
860:
1.50 kristaps 861: /*p->ps->pdfbytes = 0;*/
862: p->ps->psmargcur = 0;
863: p->ps->flags = PS_MARGINS;
864: p->ps->pscol = p->ps->left;
865: p->ps->psrow = p->ps->header;
1.4 kristaps 866:
1.9 kristaps 867: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 868:
869: (*p->headf)(p, p->argf);
870: (*p->endline)(p);
871:
1.50 kristaps 872: p->ps->pscol = p->ps->left;
873: p->ps->psrow = p->ps->footer;
1.4 kristaps 874:
875: (*p->footf)(p, p->argf);
876: (*p->endline)(p);
877:
1.50 kristaps 878: p->ps->flags &= ~PS_MARGINS;
1.9 kristaps 879:
1.50 kristaps 880: assert(0 == p->ps->flags);
881: assert(p->ps->psmarg);
882: assert('\0' != p->ps->psmarg[0]);
1.9 kristaps 883:
1.59 schwarze 884: /*
1.9 kristaps 885: * Print header and initialise page state. Following this,
886: * stuff gets printed to the screen, so make sure we're sane.
887: */
1.4 kristaps 888:
1.37 kristaps 889: if (TERMTYPE_PS == p->type) {
890: ps_printf(p, "%%!PS-Adobe-3.0\n");
891: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
892: ps_printf(p, "%%%%Orientation: Portrait\n");
893: ps_printf(p, "%%%%Pages: (atend)\n");
894: ps_printf(p, "%%%%PageOrder: Ascend\n");
895: ps_printf(p, "%%%%DocumentMedia: "
1.59 schwarze 896: "Default %zu %zu 0 () ()\n",
897: (size_t)AFM2PNT(p, p->ps->width),
898: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 899: ps_printf(p, "%%%%DocumentNeededResources: font");
900:
901: for (i = 0; i < (int)TERMFONT__MAX; i++)
902: ps_printf(p, " %s", fonts[i].name);
903:
904: ps_printf(p, "\n%%%%EndComments\n");
905: } else {
906: ps_printf(p, "%%PDF-1.1\n");
1.39 kristaps 907: pdf_obj(p, 1);
1.37 kristaps 908: ps_printf(p, "<<\n");
909: ps_printf(p, ">>\n");
910: ps_printf(p, "endobj\n");
911:
912: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.39 kristaps 913: pdf_obj(p, (size_t)i + 3);
1.37 kristaps 914: ps_printf(p, "<<\n");
915: ps_printf(p, "/Type /Font\n");
916: ps_printf(p, "/Subtype /Type1\n");
1.55 joerg 917: ps_printf(p, "/Name /F%d\n", i);
1.37 kristaps 918: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
1.86 schwarze 919: ps_printf(p, ">>\nendobj\n");
1.37 kristaps 920: }
921: }
1.16 kristaps 922:
1.50 kristaps 923: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
924: p->ps->pscol = p->ps->left;
925: p->ps->psrow = p->ps->top;
926: p->ps->flags |= PS_NEWPAGE;
1.33 kristaps 927: ps_setfont(p, TERMFONT_NONE);
1.2 kristaps 928: }
929:
930: static void
1.13 kristaps 931: ps_pletter(struct termp *p, int c)
1.2 kristaps 932: {
1.14 kristaps 933: int f;
1.32 kristaps 934:
1.9 kristaps 935: /*
1.32 kristaps 936: * If we haven't opened a page context, then output that we're
937: * in a new page and make sure the font is correctly set.
1.9 kristaps 938: */
939:
1.50 kristaps 940: if (PS_NEWPAGE & p->ps->flags) {
1.37 kristaps 941: if (TERMTYPE_PS == p->type) {
1.59 schwarze 942: ps_printf(p, "%%%%Page: %zu %zu\n",
943: p->ps->pages + 1, p->ps->pages + 1);
944: ps_printf(p, "/%s %zu selectfont\n",
945: fonts[(int)p->ps->lastf].name,
946: p->ps->scale);
1.37 kristaps 947: } else {
1.59 schwarze 948: pdf_obj(p, p->ps->pdfbody +
949: p->ps->pages * 4);
1.37 kristaps 950: ps_printf(p, "<<\n");
1.59 schwarze 951: ps_printf(p, "/Length %zu 0 R\n",
952: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.37 kristaps 953: ps_printf(p, ">>\nstream\n");
954: }
1.50 kristaps 955: p->ps->pdflastpg = p->ps->pdfbytes;
956: p->ps->flags &= ~PS_NEWPAGE;
1.32 kristaps 957: }
1.59 schwarze 958:
1.32 kristaps 959: /*
960: * If we're not in a PostScript "word" context, then open one
961: * now at the current cursor.
962: */
1.30 kristaps 963:
1.50 kristaps 964: if ( ! (PS_INLINE & p->ps->flags)) {
1.37 kristaps 965: if (TERMTYPE_PS != p->type) {
1.59 schwarze 966: ps_printf(p, "BT\n/F%d %zu Tf\n",
967: (int)p->ps->lastf, p->ps->scale);
1.37 kristaps 968: ps_printf(p, "%.3f %.3f Td\n(",
1.59 schwarze 969: AFM2PNT(p, p->ps->pscol),
970: AFM2PNT(p, p->ps->psrow));
1.37 kristaps 971: } else
1.59 schwarze 972: ps_printf(p, "%.3f %.3f moveto\n(",
973: AFM2PNT(p, p->ps->pscol),
974: AFM2PNT(p, p->ps->psrow));
1.50 kristaps 975: p->ps->flags |= PS_INLINE;
1.2 kristaps 976: }
977:
1.50 kristaps 978: assert( ! (PS_NEWPAGE & p->ps->flags));
1.29 kristaps 979:
1.2 kristaps 980: /*
981: * We need to escape these characters as per the PostScript
982: * specification. We would also escape non-graphable characters
983: * (like tabs), but none of them would get to this point and
984: * it's superfluous to abort() on them.
985: */
986:
987: switch (c) {
1.59 schwarze 988: case '(':
989: case ')':
990: case '\\':
1.4 kristaps 991: ps_putchar(p, '\\');
1.2 kristaps 992: break;
993: default:
994: break;
995: }
996:
997: /* Write the character and adjust where we are on the page. */
1.9 kristaps 998:
1.50 kristaps 999: f = (int)p->ps->lastf;
1.13 kristaps 1000:
1.61 schwarze 1001: if (c <= 32 || c - 32 >= MAXCHAR)
1002: c = 32;
1.13 kristaps 1003:
1.25 kristaps 1004: ps_putchar(p, (char)c);
1.14 kristaps 1005: c -= 32;
1.50 kristaps 1006: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.2 kristaps 1007: }
1008:
1009: static void
1.9 kristaps 1010: ps_pclose(struct termp *p)
1011: {
1012:
1.59 schwarze 1013: /*
1.9 kristaps 1014: * Spit out that we're exiting a word context (this is a
1015: * "partial close" because we don't check the last-char buffer
1016: * or anything).
1017: */
1018:
1.50 kristaps 1019: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1020: return;
1.59 schwarze 1021:
1.37 kristaps 1022: if (TERMTYPE_PS != p->type) {
1023: ps_printf(p, ") Tj\nET\n");
1024: } else
1025: ps_printf(p, ") show\n");
1026:
1.50 kristaps 1027: p->ps->flags &= ~PS_INLINE;
1.9 kristaps 1028: }
1029:
1.82 schwarze 1030: /* If we have a `last' char that wasn't printed yet, print it now. */
1.9 kristaps 1031: static void
1.82 schwarze 1032: ps_plast(struct termp *p)
1.9 kristaps 1033: {
1.82 schwarze 1034: size_t wx;
1035:
1036: if (p->ps->last == '\0')
1037: return;
1038:
1039: /* Check the font mode; open a new scope if it doesn't match. */
1040:
1041: if (p->ps->nextf != p->ps->lastf) {
1042: ps_pclose(p);
1043: ps_setfont(p, p->ps->nextf);
1044: }
1045: p->ps->nextf = TERMFONT_NONE;
1.9 kristaps 1046:
1047: /*
1.82 schwarze 1048: * For an overstrike, if a previous character
1049: * was wider, advance to center the new one.
1.9 kristaps 1050: */
1051:
1.82 schwarze 1052: if (p->ps->pscolnext) {
1053: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1054: if (p->ps->pscol + wx < p->ps->pscolnext)
1055: p->ps->pscol = (p->ps->pscol +
1056: p->ps->pscolnext - wx) / 2;
1.9 kristaps 1057: }
1058:
1.82 schwarze 1059: ps_pletter(p, p->ps->last);
1060: p->ps->last = '\0';
1061:
1062: /*
1063: * For an overstrike, if a previous character
1064: * was wider, advance to the end of the old one.
1065: */
1.9 kristaps 1066:
1.82 schwarze 1067: if (p->ps->pscol < p->ps->pscolnext) {
1068: ps_pclose(p);
1069: p->ps->pscol = p->ps->pscolnext;
1070: }
1.9 kristaps 1071: }
1072:
1073: static void
1.49 kristaps 1074: ps_letter(struct termp *p, int arg)
1.8 kristaps 1075: {
1.82 schwarze 1076: size_t savecol;
1.65 schwarze 1077: char c;
1.49 kristaps 1078:
1079: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1080:
1081: /*
1.67 schwarze 1082: * When receiving a backspace, merely flag it.
1083: * We don't know yet whether it is
1084: * a font instruction or an overstrike.
1.9 kristaps 1085: */
1086:
1.67 schwarze 1087: if (c == '\b') {
1.65 schwarze 1088: assert(p->ps->last != '\0');
1.67 schwarze 1089: assert( ! (p->ps->flags & PS_BACKSP));
1090: p->ps->flags |= PS_BACKSP;
1091: return;
1092: }
1093:
1094: /*
1095: * Decode font instructions.
1096: */
1097:
1098: if (p->ps->flags & PS_BACKSP) {
1099: if (p->ps->last == '_') {
1.65 schwarze 1100: switch (p->ps->nextf) {
1101: case TERMFONT_BI:
1102: break;
1103: case TERMFONT_BOLD:
1104: p->ps->nextf = TERMFONT_BI;
1105: break;
1106: default:
1107: p->ps->nextf = TERMFONT_UNDER;
1108: }
1.67 schwarze 1109: p->ps->last = c;
1110: p->ps->flags &= ~PS_BACKSP;
1111: return;
1112: }
1113: if (p->ps->last == c) {
1.65 schwarze 1114: switch (p->ps->nextf) {
1115: case TERMFONT_BI:
1116: break;
1117: case TERMFONT_UNDER:
1118: p->ps->nextf = TERMFONT_BI;
1119: break;
1120: default:
1121: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1122: }
1.67 schwarze 1123: p->ps->flags &= ~PS_BACKSP;
1124: return;
1.9 kristaps 1125: }
1.67 schwarze 1126:
1127: /*
1128: * This is not a font instruction, but rather
1129: * the next character. Prepare for overstrike.
1130: */
1131:
1132: savecol = p->ps->pscol;
1133: } else
1134: savecol = SIZE_MAX;
1135:
1136: /*
1137: * We found the next character, so the font instructions
1138: * for the previous one are complete.
1139: * Use them and print it.
1140: */
1141:
1.82 schwarze 1142: ps_plast(p);
1.67 schwarze 1143:
1144: /*
1145: * Do not print the current character yet because font
1.82 schwarze 1146: * instructions might follow; only remember the character.
1147: * It will get printed later from ps_plast().
1.67 schwarze 1148: */
1149:
1.65 schwarze 1150: p->ps->last = c;
1.67 schwarze 1151:
1152: /*
1153: * For an overstrike, back up to the previous position.
1.72 schwarze 1154: * If the previous character is wider than any it overstrikes,
1155: * remember the current position, because it might also be
1156: * wider than all that will overstrike it.
1.67 schwarze 1157: */
1158:
1159: if (savecol != SIZE_MAX) {
1.72 schwarze 1160: if (p->ps->pscolnext < p->ps->pscol)
1161: p->ps->pscolnext = p->ps->pscol;
1.67 schwarze 1162: ps_pclose(p);
1163: p->ps->pscol = savecol;
1164: p->ps->flags &= ~PS_BACKSP;
1.72 schwarze 1165: } else
1166: p->ps->pscolnext = 0;
1.8 kristaps 1167: }
1168:
1169: static void
1.2 kristaps 1170: ps_advance(struct termp *p, size_t len)
1171: {
1172:
1.9 kristaps 1173: /*
1174: * Advance some spaces. This can probably be made smarter,
1175: * i.e., to have multiple space-separated words in the same
1176: * scope, but this is easier: just close out the current scope
1177: * and readjust our column settings.
1178: */
1.8 kristaps 1179:
1.82 schwarze 1180: ps_plast(p);
1181: ps_pclose(p);
1.50 kristaps 1182: p->ps->pscol += len;
1.2 kristaps 1183: }
1184:
1185: static void
1186: ps_endline(struct termp *p)
1187: {
1.8 kristaps 1188:
1.9 kristaps 1189: /* Close out any scopes we have open: we're at eoln. */
1190:
1.82 schwarze 1191: ps_plast(p);
1192: ps_pclose(p);
1.2 kristaps 1193:
1.9 kristaps 1194: /*
1195: * If we're in the margin, don't try to recalculate our current
1196: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1197: * lines, we'll do nasty stuff.
1.9 kristaps 1198: */
1.2 kristaps 1199:
1.50 kristaps 1200: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1201: return;
1202:
1203: /* Left-justify. */
1204:
1.50 kristaps 1205: p->ps->pscol = p->ps->left;
1.29 kristaps 1206:
1207: /* If we haven't printed anything, return. */
1208:
1.50 kristaps 1209: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1210: return;
1211:
1.9 kristaps 1212: /*
1213: * Put us down a line. If we're at the page bottom, spit out a
1214: * showpage and restart our row.
1215: */
1216:
1.59 schwarze 1217: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1218: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1219: return;
1220: }
1221:
1.37 kristaps 1222: ps_closepage(p);
1.84 schwarze 1223:
1.85 schwarze 1224: p->tcol->offset -= p->ti;
1.84 schwarze 1225: p->ti = 0;
1.1 kristaps 1226: }
1.9 kristaps 1227:
1228: static void
1229: ps_setfont(struct termp *p, enum termfont f)
1230: {
1231:
1.16 kristaps 1232: assert(f < TERMFONT__MAX);
1.50 kristaps 1233: p->ps->lastf = f;
1.59 schwarze 1234:
1.32 kristaps 1235: /*
1236: * If we're still at the top of the page, let the font-setting
1237: * be delayed until we actually have stuff to print.
1238: */
1239:
1.50 kristaps 1240: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1241: return;
1242:
1.37 kristaps 1243: if (TERMTYPE_PS == p->type)
1.59 schwarze 1244: ps_printf(p, "/%s %zu selectfont\n",
1245: fonts[(int)f].name, p->ps->scale);
1.37 kristaps 1246: else
1.59 schwarze 1247: ps_printf(p, "/F%d %zu Tf\n",
1248: (int)f, p->ps->scale);
1.9 kristaps 1249: }
1250:
1.11 kristaps 1251: static size_t
1.49 kristaps 1252: ps_width(const struct termp *p, int c)
1.11 kristaps 1253: {
1254:
1.14 kristaps 1255: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1256: c = 0;
1257: else
1258: c -= 32;
1.14 kristaps 1259:
1.75 schwarze 1260: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.11 kristaps 1261: }
1.19 kristaps 1262:
1.74 schwarze 1263: static int
1.19 kristaps 1264: ps_hspan(const struct termp *p, const struct roffsu *su)
1265: {
1266: double r;
1.59 schwarze 1267:
1.19 kristaps 1268: /*
1269: * All of these measurements are derived by converting from the
1.21 kristaps 1270: * native measurement to AFM units.
1.19 kristaps 1271: */
1272: switch (su->unit) {
1.64 kristaps 1273: case SCALE_BU:
1274: /*
1275: * Traditionally, the default unit is fixed to the
1276: * output media. So this would refer to the point. In
1277: * mandoc(1), however, we stick to the default terminal
1278: * scaling unit so that output is the same regardless
1279: * the media.
1280: */
1281: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1282: break;
1.59 schwarze 1283: case SCALE_CM:
1.64 kristaps 1284: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1285: break;
1286: case SCALE_EM:
1287: r = su->scale *
1288: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1289: break;
1290: case SCALE_EN:
1291: r = su->scale *
1292: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1293: break;
1.59 schwarze 1294: case SCALE_IN:
1.62 schwarze 1295: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1296: break;
1.64 kristaps 1297: case SCALE_MM:
1298: r = su->scale *
1299: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1300: break;
1.59 schwarze 1301: case SCALE_PC:
1.62 schwarze 1302: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1303: break;
1.59 schwarze 1304: case SCALE_PT:
1.64 kristaps 1305: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1306: break;
1.59 schwarze 1307: case SCALE_VS:
1.50 kristaps 1308: r = su->scale * p->ps->lineheight;
1.19 kristaps 1309: break;
1310: default:
1311: r = su->scale;
1312: break;
1313: }
1314:
1.75 schwarze 1315: return r * 24.0;
1.50 kristaps 1316: }
1317:
1318: static void
1319: ps_growbuf(struct termp *p, size_t sz)
1320: {
1321: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1322: return;
1323:
1324: if (sz < PS_BUFSLOP)
1325: sz = PS_BUFSLOP;
1326:
1327: p->ps->psmargsz += sz;
1.60 schwarze 1328: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1329: }
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