Annotation of mandoc/term_ps.c, Revision 1.77
1.77 ! schwarze 1: /* $Id: term_ps.c,v 1.76 2015/10/11 21:12:55 schwarze Exp $ */
1.1 kristaps 2: /*
1.53 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.72 schwarze 4: * Copyright (c) 2014, 2015 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>
1.76 schwarze 23: #include <err.h>
1.4 kristaps 24: #include <stdarg.h>
1.17 kristaps 25: #include <stdint.h>
1.2 kristaps 26: #include <stdio.h>
1.1 kristaps 27: #include <stdlib.h>
1.4 kristaps 28: #include <string.h>
1.26 kristaps 29: #include <unistd.h>
1.1 kristaps 30:
1.56 schwarze 31: #include "mandoc_aux.h"
1.1 kristaps 32: #include "out.h"
1.70 schwarze 33: #include "term.h"
1.73 schwarze 34: #include "manconf.h"
1.1 kristaps 35: #include "main.h"
36:
1.50 kristaps 37: /* These work the buffer used by the header and footer. */
38: #define PS_BUFSLOP 128
39:
1.21 kristaps 40: /* Convert PostScript point "x" to an AFM unit. */
1.59 schwarze 41: #define PNT2AFM(p, x) \
1.50 kristaps 42: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 43:
44: /* Convert an AFM unit "x" to a PostScript points */
1.59 schwarze 45: #define AFM2PNT(p, x) \
1.50 kristaps 46: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 47:
1.13 kristaps 48: struct glyph {
1.36 kristaps 49: unsigned short wx; /* WX in AFM */
1.13 kristaps 50: };
51:
52: struct font {
53: const char *name; /* FontName in AFM */
1.15 kristaps 54: #define MAXCHAR 95 /* total characters we can handle */
1.13 kristaps 55: struct glyph gly[MAXCHAR]; /* glyph metrics */
56: };
57:
1.50 kristaps 58: struct termp_ps {
59: int flags;
60: #define PS_INLINE (1 << 0) /* we're in a word */
61: #define PS_MARGINS (1 << 1) /* we're in the margins */
62: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.67 schwarze 63: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.50 kristaps 64: size_t pscol; /* visible column (AFM units) */
1.72 schwarze 65: size_t pscolnext; /* used for overstrike */
1.50 kristaps 66: size_t psrow; /* visible row (AFM units) */
67: char *psmarg; /* margin buf */
68: size_t psmargsz; /* margin buf size */
69: size_t psmargcur; /* cur index in margin buf */
1.67 schwarze 70: char last; /* last non-backspace seen */
1.50 kristaps 71: enum termfont lastf; /* last set font */
1.65 schwarze 72: enum termfont nextf; /* building next font here */
1.50 kristaps 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) */
78: size_t height; /* page height (AFM units */
79: size_t width; /* page width (AFM units) */
1.57 schwarze 80: size_t lastwidth; /* page width before last ll */
1.50 kristaps 81: size_t left; /* body left (AFM units) */
82: size_t header; /* header pos (AFM units) */
83: size_t footer; /* footer pos (AFM units) */
1.59 schwarze 84: size_t pdfbytes; /* current output byte */
1.50 kristaps 85: size_t pdflastpg; /* byte of last page mark */
86: size_t pdfbody; /* start of body object */
87: size_t *pdfobjs; /* table of object offsets */
88: size_t pdfobjsz; /* size of pdfobjs */
89: };
90:
1.74 schwarze 91: static int ps_hspan(const struct termp *,
1.50 kristaps 92: const struct roffsu *);
93: static size_t ps_width(const struct termp *, int);
94: static void ps_advance(struct termp *, size_t);
95: static void ps_begin(struct termp *);
96: static void ps_closepage(struct termp *);
97: static void ps_end(struct termp *);
98: static void ps_endline(struct termp *);
99: static void ps_fclose(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 *);
103: static void ps_pletter(struct termp *, int);
1.55 joerg 104: #if __GNUC__ - 0 >= 4
105: __attribute__((__format__ (__printf__, 2, 3)))
106: #endif
1.50 kristaps 107: static void ps_printf(struct termp *, const char *, ...);
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);
1.73 schwarze 111: static struct termp *pspdf_alloc(const struct mchars *,
112: const struct manoutput *);
1.50 kristaps 113: static void pdf_obj(struct termp *, size_t);
114:
1.13 kristaps 115: /*
116: * We define, for the time being, three fonts: bold, oblique/italic, and
117: * normal (roman). The following table hard-codes the font metrics for
118: * ASCII, i.e., 32--127.
119: */
120:
1.16 kristaps 121: static const struct font fonts[TERMFONT__MAX] = {
1.24 kristaps 122: { "Times-Roman", {
123: { 250 },
124: { 333 },
125: { 408 },
126: { 500 },
127: { 500 },
128: { 833 },
129: { 778 },
130: { 333 },
131: { 333 },
132: { 333 },
133: { 500 },
134: { 564 },
135: { 250 },
136: { 333 },
137: { 250 },
138: { 278 },
139: { 500 },
140: { 500 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 500 },
146: { 500 },
147: { 500 },
148: { 500 },
149: { 278 },
150: { 278 },
151: { 564 },
152: { 564 },
153: { 564 },
154: { 444 },
155: { 921 },
156: { 722 },
157: { 667 },
158: { 667 },
159: { 722 },
160: { 611 },
161: { 556 },
162: { 722 },
163: { 722 },
164: { 333 },
165: { 389 },
166: { 722 },
167: { 611 },
168: { 889 },
169: { 722 },
170: { 722 },
171: { 556 },
172: { 722 },
173: { 667 },
174: { 556 },
175: { 611 },
176: { 722 },
177: { 722 },
178: { 944 },
179: { 722 },
180: { 722 },
181: { 611 },
182: { 333 },
183: { 278 },
184: { 333 },
185: { 469 },
186: { 500 },
187: { 333 },
188: { 444 },
189: { 500 },
190: { 444 },
191: { 500},
192: { 444},
193: { 333},
194: { 500},
195: { 500},
196: { 278},
197: { 278},
198: { 500},
199: { 278},
200: { 778},
201: { 500},
202: { 500},
203: { 500},
204: { 500},
205: { 333},
206: { 389},
207: { 278},
208: { 500},
209: { 500},
210: { 722},
211: { 500},
212: { 500},
213: { 444},
214: { 480},
215: { 200},
216: { 480},
217: { 541},
218: } },
219: { "Times-Bold", {
220: { 250 },
221: { 333 },
222: { 555 },
223: { 500 },
224: { 500 },
225: { 1000 },
226: { 833 },
227: { 333 },
228: { 333 },
229: { 333 },
230: { 500 },
231: { 570 },
232: { 250 },
233: { 333 },
234: { 250 },
235: { 278 },
236: { 500 },
237: { 500 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 500 },
243: { 500 },
244: { 500 },
245: { 500 },
246: { 333 },
247: { 333 },
248: { 570 },
249: { 570 },
250: { 570 },
251: { 500 },
252: { 930 },
253: { 722 },
254: { 667 },
255: { 722 },
256: { 722 },
257: { 667 },
258: { 611 },
259: { 778 },
260: { 778 },
261: { 389 },
262: { 500 },
263: { 778 },
264: { 667 },
265: { 944 },
266: { 722 },
267: { 778 },
268: { 611 },
269: { 778 },
270: { 722 },
271: { 556 },
272: { 667 },
273: { 722 },
274: { 722 },
275: { 1000 },
276: { 722 },
277: { 722 },
278: { 667 },
279: { 333 },
280: { 278 },
281: { 333 },
282: { 581 },
283: { 500 },
284: { 333 },
285: { 500 },
286: { 556 },
287: { 444 },
1.22 kristaps 288: { 556 },
1.24 kristaps 289: { 444 },
290: { 333 },
1.22 kristaps 291: { 500 },
1.24 kristaps 292: { 556 },
1.22 kristaps 293: { 278 },
1.24 kristaps 294: { 333 },
295: { 556 },
1.22 kristaps 296: { 278 },
1.24 kristaps 297: { 833 },
1.22 kristaps 298: { 556 },
1.24 kristaps 299: { 500 },
1.22 kristaps 300: { 556 },
301: { 556 },
302: { 444 },
1.24 kristaps 303: { 389 },
304: { 333 },
1.22 kristaps 305: { 556 },
306: { 500 },
1.24 kristaps 307: { 722 },
308: { 500 },
1.22 kristaps 309: { 500 },
1.24 kristaps 310: { 444 },
311: { 394 },
312: { 220 },
313: { 394 },
314: { 520 },
1.13 kristaps 315: } },
1.24 kristaps 316: { "Times-Italic", {
317: { 250 },
318: { 333 },
319: { 420 },
320: { 500 },
321: { 500 },
322: { 833 },
323: { 778 },
324: { 333 },
325: { 333 },
326: { 333 },
327: { 500 },
328: { 675 },
329: { 250 },
330: { 333 },
331: { 250 },
332: { 278 },
333: { 500 },
334: { 500 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 500 },
340: { 500 },
341: { 500 },
342: { 500 },
343: { 333 },
344: { 333 },
345: { 675 },
346: { 675 },
347: { 675 },
348: { 500 },
349: { 920 },
350: { 611 },
351: { 611 },
352: { 667 },
353: { 722 },
354: { 611 },
355: { 611 },
356: { 722 },
357: { 722 },
358: { 333 },
359: { 444 },
360: { 667 },
361: { 556 },
362: { 833 },
363: { 667 },
364: { 722 },
365: { 611 },
366: { 722 },
367: { 611 },
368: { 500 },
369: { 556 },
370: { 722 },
371: { 611 },
372: { 833 },
373: { 611 },
374: { 556 },
375: { 556 },
376: { 389 },
377: { 278 },
378: { 389 },
379: { 422 },
380: { 500 },
381: { 333 },
382: { 500 },
383: { 500 },
384: { 444 },
1.22 kristaps 385: { 500 },
1.24 kristaps 386: { 444 },
387: { 278 },
1.22 kristaps 388: { 500 },
389: { 500 },
390: { 278 },
1.24 kristaps 391: { 278 },
392: { 444 },
393: { 278 },
394: { 722 },
395: { 500 },
396: { 500 },
397: { 500 },
1.22 kristaps 398: { 500 },
1.24 kristaps 399: { 389 },
400: { 389 },
1.22 kristaps 401: { 278 },
402: { 500 },
1.24 kristaps 403: { 444 },
404: { 667 },
405: { 444 },
406: { 444 },
407: { 389 },
408: { 400 },
1.22 kristaps 409: { 275 },
1.24 kristaps 410: { 400 },
411: { 541 },
1.13 kristaps 412: } },
1.65 schwarze 413: { "Times-BoldItalic", {
414: { 250 },
415: { 389 },
416: { 555 },
417: { 500 },
418: { 500 },
419: { 833 },
420: { 778 },
421: { 333 },
422: { 333 },
423: { 333 },
424: { 500 },
425: { 570 },
426: { 250 },
427: { 333 },
428: { 250 },
429: { 278 },
430: { 500 },
431: { 500 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 500 },
437: { 500 },
438: { 500 },
439: { 500 },
440: { 333 },
441: { 333 },
442: { 570 },
443: { 570 },
444: { 570 },
445: { 500 },
446: { 832 },
447: { 667 },
448: { 667 },
449: { 667 },
450: { 722 },
451: { 667 },
452: { 667 },
453: { 722 },
454: { 778 },
455: { 389 },
456: { 500 },
457: { 667 },
458: { 611 },
459: { 889 },
460: { 722 },
461: { 722 },
462: { 611 },
463: { 722 },
464: { 667 },
465: { 556 },
466: { 611 },
467: { 722 },
468: { 667 },
469: { 889 },
470: { 667 },
471: { 611 },
472: { 611 },
473: { 333 },
474: { 278 },
475: { 333 },
476: { 570 },
477: { 500 },
478: { 333 },
479: { 500 },
480: { 500 },
481: { 444 },
482: { 500 },
483: { 444 },
484: { 333 },
485: { 500 },
486: { 556 },
487: { 278 },
488: { 278 },
489: { 500 },
490: { 278 },
491: { 778 },
492: { 556 },
493: { 500 },
494: { 500 },
495: { 500 },
496: { 389 },
497: { 389 },
498: { 278 },
499: { 556 },
500: { 444 },
501: { 667 },
502: { 500 },
503: { 444 },
504: { 389 },
505: { 348 },
506: { 220 },
507: { 348 },
508: { 570 },
509: } },
1.13 kristaps 510: };
511:
1.37 kristaps 512: void *
1.73 schwarze 513: pdf_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.37 kristaps 514: {
515: struct termp *p;
516:
1.68 schwarze 517: if (NULL != (p = pspdf_alloc(mchars, outopts)))
1.38 kristaps 518: p->type = TERMTYPE_PDF;
1.37 kristaps 519:
1.75 schwarze 520: return p;
1.37 kristaps 521: }
1.2 kristaps 522:
1.1 kristaps 523: void *
1.73 schwarze 524: ps_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.1 kristaps 525: {
526: struct termp *p;
1.37 kristaps 527:
1.68 schwarze 528: if (NULL != (p = pspdf_alloc(mchars, outopts)))
1.38 kristaps 529: p->type = TERMTYPE_PS;
1.37 kristaps 530:
1.75 schwarze 531: return p;
1.37 kristaps 532: }
533:
534: static struct termp *
1.73 schwarze 535: pspdf_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.37 kristaps 536: {
537: struct termp *p;
1.52 kristaps 538: unsigned int pagex, pagey;
539: size_t marginx, marginy, lineheight;
1.25 kristaps 540: const char *pp;
1.1 kristaps 541:
1.51 kristaps 542: p = mandoc_calloc(1, sizeof(struct termp));
1.68 schwarze 543: p->symtab = mchars;
1.51 kristaps 544: p->enc = TERMENC_ASCII;
1.71 schwarze 545: p->fontq = mandoc_reallocarray(NULL,
546: (p->fontsz = 8), sizeof(enum termfont));
547: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.50 kristaps 548: p->ps = mandoc_calloc(1, sizeof(struct termp_ps));
1.1 kristaps 549:
1.19 kristaps 550: p->advance = ps_advance;
1.2 kristaps 551: p->begin = ps_begin;
552: p->end = ps_end;
553: p->endline = ps_endline;
1.19 kristaps 554: p->hspan = ps_hspan;
555: p->letter = ps_letter;
1.57 schwarze 556: p->setwidth = ps_setwidth;
1.11 kristaps 557: p->width = ps_width;
1.59 schwarze 558:
1.25 kristaps 559: /* Default to US letter (millimetres). */
560:
1.31 kristaps 561: pagex = 216;
562: pagey = 279;
1.25 kristaps 563:
564: /*
565: * The ISO-269 paper sizes can be calculated automatically, but
566: * it would require bringing in -lm for pow() and I'd rather not
567: * do that. So just do it the easy way for now. Since this
568: * only happens once, I'm not terribly concerned.
569: */
570:
1.73 schwarze 571: pp = outopts->paper;
1.25 kristaps 572: if (pp && strcasecmp(pp, "letter")) {
573: if (0 == strcasecmp(pp, "a3")) {
574: pagex = 297;
575: pagey = 420;
576: } else if (0 == strcasecmp(pp, "a4")) {
577: pagex = 210;
578: pagey = 297;
579: } else if (0 == strcasecmp(pp, "a5")) {
580: pagex = 148;
581: pagey = 210;
582: } else if (0 == strcasecmp(pp, "legal")) {
583: pagex = 216;
584: pagey = 356;
1.52 kristaps 585: } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
1.76 schwarze 586: warnx("%s: Unknown paper", pp);
1.54 schwarze 587: }
1.27 kristaps 588:
1.59 schwarze 589: /*
1.27 kristaps 590: * This MUST be defined before any PNT2AFM or AFM2PNT
591: * calculations occur.
592: */
593:
1.50 kristaps 594: p->ps->scale = 11;
1.27 kristaps 595:
1.25 kristaps 596: /* Remember millimetres -> AFM units. */
597:
598: pagex = PNT2AFM(p, ((double)pagex * 2.834));
599: pagey = PNT2AFM(p, ((double)pagey * 2.834));
600:
1.28 kristaps 601: /* Margins are 1/9 the page x and y. */
1.27 kristaps 602:
1.59 schwarze 603: marginx = (size_t)((double)pagex / 9.0);
604: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 605:
1.31 kristaps 606: /* Line-height is 1.4em. */
607:
1.50 kristaps 608: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 609:
1.57 schwarze 610: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 611: p->ps->height = (size_t)pagey;
1.50 kristaps 612: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
613: p->ps->top = pagey - marginy;
614: p->ps->footer = (marginy / 2) - (lineheight / 2);
615: p->ps->bottom = marginy;
616: p->ps->left = marginx;
617: p->ps->lineheight = lineheight;
1.16 kristaps 618:
1.28 kristaps 619: p->defrmargin = pagex - (marginx * 2);
1.75 schwarze 620: return p;
1.57 schwarze 621: }
622:
623: static void
1.74 schwarze 624: ps_setwidth(struct termp *p, int iop, int width)
1.57 schwarze 625: {
626: size_t lastwidth;
627:
628: lastwidth = p->ps->width;
1.69 schwarze 629: if (iop > 0)
1.58 schwarze 630: p->ps->width += width;
1.69 schwarze 631: else if (iop == 0)
1.74 schwarze 632: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
633: else if (p->ps->width > (size_t)width)
1.58 schwarze 634: p->ps->width -= width;
635: else
1.69 schwarze 636: p->ps->width = 0;
1.57 schwarze 637: p->ps->lastwidth = lastwidth;
1.1 kristaps 638: }
639:
640: void
1.37 kristaps 641: pspdf_free(void *arg)
1.1 kristaps 642: {
1.4 kristaps 643: struct termp *p;
644:
645: p = (struct termp *)arg;
646:
1.50 kristaps 647: if (p->ps->psmarg)
648: free(p->ps->psmarg);
649: if (p->ps->pdfobjs)
650: free(p->ps->pdfobjs);
1.4 kristaps 651:
1.50 kristaps 652: free(p->ps);
1.4 kristaps 653: term_free(p);
654: }
655:
656: static void
657: ps_printf(struct termp *p, const char *fmt, ...)
658: {
659: va_list ap;
1.37 kristaps 660: int pos, len;
1.4 kristaps 661:
662: va_start(ap, fmt);
663:
664: /*
665: * If we're running in regular mode, then pipe directly into
666: * vprintf(). If we're processing margins, then push the data
667: * into our growable margin buffer.
668: */
1.1 kristaps 669:
1.50 kristaps 670: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 671: len = vprintf(fmt, ap);
1.4 kristaps 672: va_end(ap);
1.59 schwarze 673: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 674: return;
675: }
676:
1.59 schwarze 677: /*
1.4 kristaps 678: * XXX: I assume that the in-margin print won't exceed
679: * PS_BUFSLOP (128 bytes), which is reasonable but still an
680: * assumption that will cause pukeage if it's not the case.
681: */
682:
1.40 joerg 683: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 684:
1.50 kristaps 685: pos = (int)p->ps->psmargcur;
1.54 schwarze 686: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 687:
688: va_end(ap);
1.37 kristaps 689:
1.50 kristaps 690: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 691: }
692:
693: static void
694: ps_putchar(struct termp *p, char c)
695: {
696: int pos;
697:
698: /* See ps_printf(). */
699:
1.50 kristaps 700: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 701: putchar(c);
1.50 kristaps 702: p->ps->pdfbytes++;
1.4 kristaps 703: return;
704: }
705:
1.40 joerg 706: ps_growbuf(p, 2);
1.4 kristaps 707:
1.50 kristaps 708: pos = (int)p->ps->psmargcur++;
709: p->ps->psmarg[pos++] = c;
710: p->ps->psmarg[pos] = '\0';
1.2 kristaps 711: }
712:
1.37 kristaps 713: static void
1.39 kristaps 714: pdf_obj(struct termp *p, size_t obj)
715: {
716:
717: assert(obj > 0);
718:
1.50 kristaps 719: if ((obj - 1) >= p->ps->pdfobjsz) {
720: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 721: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
722: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 723: }
724:
1.50 kristaps 725: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 726: ps_printf(p, "%zu 0 obj\n", obj);
727: }
728:
729: static void
1.37 kristaps 730: ps_closepage(struct termp *p)
731: {
732: int i;
1.38 kristaps 733: size_t len, base;
734:
735: /*
736: * Close out a page that we've already flushed to output. In
737: * PostScript, we simply note that the page must be showed. In
738: * PDF, we must now create the Length, Resource, and Page node
739: * for the page contents.
740: */
1.37 kristaps 741:
1.50 kristaps 742: assert(p->ps->psmarg && p->ps->psmarg[0]);
743: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 744:
1.38 kristaps 745: if (TERMTYPE_PS != p->type) {
1.37 kristaps 746: ps_printf(p, "ET\n");
1.38 kristaps 747:
1.50 kristaps 748: len = p->ps->pdfbytes - p->ps->pdflastpg;
749: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 750:
751: ps_printf(p, "endstream\nendobj\n");
752:
753: /* Length of content. */
1.39 kristaps 754: pdf_obj(p, base + 1);
1.38 kristaps 755: ps_printf(p, "%zu\nendobj\n", len);
756:
757: /* Resource for content. */
1.39 kristaps 758: pdf_obj(p, base + 2);
1.38 kristaps 759: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 760: ps_printf(p, "/Font <<\n");
1.59 schwarze 761: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 762: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.38 kristaps 763: ps_printf(p, ">>\n>>\n");
764:
765: /* Page node. */
1.39 kristaps 766: pdf_obj(p, base + 3);
767: ps_printf(p, "<<\n");
1.37 kristaps 768: ps_printf(p, "/Type /Page\n");
769: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 770: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
771: ps_printf(p, "/Contents %zu 0 R\n", base);
772: ps_printf(p, ">>\nendobj\n");
773: } else
774: ps_printf(p, "showpage\n");
1.37 kristaps 775:
1.50 kristaps 776: p->ps->pages++;
777: p->ps->psrow = p->ps->top;
778: assert( ! (PS_NEWPAGE & p->ps->flags));
779: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 780: }
781:
1.2 kristaps 782: static void
783: ps_end(struct termp *p)
784: {
1.38 kristaps 785: size_t i, xref, base;
1.2 kristaps 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");
825: ps_printf(p, ">>\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);
919: ps_printf(p, ">>\n");
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:
1030: static void
1031: ps_fclose(struct termp *p)
1032: {
1033:
1034: /*
1035: * Strong closure: if we have a last-char, spit it out after
1036: * checking that we're in the right font mode. This will of
1037: * course open a new scope, if applicable.
1038: *
1039: * Following this, close out any scope that's open.
1040: */
1041:
1.65 schwarze 1042: if (p->ps->last != '\0') {
1.67 schwarze 1043: assert( ! (p->ps->flags & PS_BACKSP));
1.65 schwarze 1044: if (p->ps->nextf != p->ps->lastf) {
1.9 kristaps 1045: ps_pclose(p);
1.65 schwarze 1046: ps_setfont(p, p->ps->nextf);
1.9 kristaps 1047: }
1.65 schwarze 1048: p->ps->nextf = TERMFONT_NONE;
1.50 kristaps 1049: ps_pletter(p, p->ps->last);
1050: p->ps->last = '\0';
1.9 kristaps 1051: }
1052:
1.50 kristaps 1053: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1054: return;
1055:
1056: ps_pclose(p);
1057: }
1058:
1059: static void
1.49 kristaps 1060: ps_letter(struct termp *p, int arg)
1.8 kristaps 1061: {
1.72 schwarze 1062: size_t savecol, wx;
1.65 schwarze 1063: char c;
1.49 kristaps 1064:
1065: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1066:
1067: /*
1.67 schwarze 1068: * When receiving a backspace, merely flag it.
1069: * We don't know yet whether it is
1070: * a font instruction or an overstrike.
1.9 kristaps 1071: */
1072:
1.67 schwarze 1073: if (c == '\b') {
1.65 schwarze 1074: assert(p->ps->last != '\0');
1.67 schwarze 1075: assert( ! (p->ps->flags & PS_BACKSP));
1076: p->ps->flags |= PS_BACKSP;
1077: return;
1078: }
1079:
1080: /*
1081: * Decode font instructions.
1082: */
1083:
1084: if (p->ps->flags & PS_BACKSP) {
1085: if (p->ps->last == '_') {
1.65 schwarze 1086: switch (p->ps->nextf) {
1087: case TERMFONT_BI:
1088: break;
1089: case TERMFONT_BOLD:
1090: p->ps->nextf = TERMFONT_BI;
1091: break;
1092: default:
1093: p->ps->nextf = TERMFONT_UNDER;
1094: }
1.67 schwarze 1095: p->ps->last = c;
1096: p->ps->flags &= ~PS_BACKSP;
1097: return;
1098: }
1099: if (p->ps->last == c) {
1.65 schwarze 1100: switch (p->ps->nextf) {
1101: case TERMFONT_BI:
1102: break;
1103: case TERMFONT_UNDER:
1104: p->ps->nextf = TERMFONT_BI;
1105: break;
1106: default:
1107: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1108: }
1.67 schwarze 1109: p->ps->flags &= ~PS_BACKSP;
1110: return;
1.9 kristaps 1111: }
1.67 schwarze 1112:
1113: /*
1114: * This is not a font instruction, but rather
1115: * the next character. Prepare for overstrike.
1116: */
1117:
1118: savecol = p->ps->pscol;
1119: } else
1120: savecol = SIZE_MAX;
1121:
1122: /*
1123: * We found the next character, so the font instructions
1124: * for the previous one are complete.
1125: * Use them and print it.
1126: */
1127:
1128: if (p->ps->last != '\0') {
1.65 schwarze 1129: if (p->ps->nextf != p->ps->lastf) {
1.9 kristaps 1130: ps_pclose(p);
1.65 schwarze 1131: ps_setfont(p, p->ps->nextf);
1.9 kristaps 1132: }
1.65 schwarze 1133: p->ps->nextf = TERMFONT_NONE;
1.72 schwarze 1134:
1135: /*
1136: * For an overstrike, if a previous character
1137: * was wider, advance to center the new one.
1138: */
1139:
1140: if (p->ps->pscolnext) {
1141: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1142: if (p->ps->pscol + wx < p->ps->pscolnext)
1143: p->ps->pscol = (p->ps->pscol +
1144: p->ps->pscolnext - wx) / 2;
1145: }
1146:
1.65 schwarze 1147: ps_pletter(p, p->ps->last);
1.72 schwarze 1148:
1149: /*
1150: * For an overstrike, if a previous character
1151: * was wider, advance to the end of the old one.
1152: */
1153:
1154: if (p->ps->pscol < p->ps->pscolnext) {
1155: ps_pclose(p);
1156: p->ps->pscol = p->ps->pscolnext;
1157: }
1.8 kristaps 1158: }
1.67 schwarze 1159:
1160: /*
1161: * Do not print the current character yet because font
1162: * instructions might follow; only remember it.
1163: * For the first character, nothing else is done.
1164: * The final character will get printed from ps_fclose().
1165: */
1166:
1.65 schwarze 1167: p->ps->last = c;
1.67 schwarze 1168:
1169: /*
1170: * For an overstrike, back up to the previous position.
1.72 schwarze 1171: * If the previous character is wider than any it overstrikes,
1172: * remember the current position, because it might also be
1173: * wider than all that will overstrike it.
1.67 schwarze 1174: */
1175:
1176: if (savecol != SIZE_MAX) {
1.72 schwarze 1177: if (p->ps->pscolnext < p->ps->pscol)
1178: p->ps->pscolnext = p->ps->pscol;
1.67 schwarze 1179: ps_pclose(p);
1180: p->ps->pscol = savecol;
1181: p->ps->flags &= ~PS_BACKSP;
1.72 schwarze 1182: } else
1183: p->ps->pscolnext = 0;
1.8 kristaps 1184: }
1185:
1186: static void
1.2 kristaps 1187: ps_advance(struct termp *p, size_t len)
1188: {
1189:
1.9 kristaps 1190: /*
1191: * Advance some spaces. This can probably be made smarter,
1192: * i.e., to have multiple space-separated words in the same
1193: * scope, but this is easier: just close out the current scope
1194: * and readjust our column settings.
1195: */
1.8 kristaps 1196:
1.9 kristaps 1197: ps_fclose(p);
1.50 kristaps 1198: p->ps->pscol += len;
1.2 kristaps 1199: }
1200:
1201: static void
1202: ps_endline(struct termp *p)
1203: {
1.8 kristaps 1204:
1.9 kristaps 1205: /* Close out any scopes we have open: we're at eoln. */
1206:
1207: ps_fclose(p);
1.2 kristaps 1208:
1.9 kristaps 1209: /*
1210: * If we're in the margin, don't try to recalculate our current
1211: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1212: * lines, we'll do nasty stuff.
1.9 kristaps 1213: */
1.2 kristaps 1214:
1.50 kristaps 1215: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1216: return;
1217:
1218: /* Left-justify. */
1219:
1.50 kristaps 1220: p->ps->pscol = p->ps->left;
1.29 kristaps 1221:
1222: /* If we haven't printed anything, return. */
1223:
1.50 kristaps 1224: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1225: return;
1226:
1.9 kristaps 1227: /*
1228: * Put us down a line. If we're at the page bottom, spit out a
1229: * showpage and restart our row.
1230: */
1231:
1.59 schwarze 1232: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1233: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1234: return;
1235: }
1236:
1.37 kristaps 1237: ps_closepage(p);
1.1 kristaps 1238: }
1.9 kristaps 1239:
1240: static void
1241: ps_setfont(struct termp *p, enum termfont f)
1242: {
1243:
1.16 kristaps 1244: assert(f < TERMFONT__MAX);
1.50 kristaps 1245: p->ps->lastf = f;
1.59 schwarze 1246:
1.32 kristaps 1247: /*
1248: * If we're still at the top of the page, let the font-setting
1249: * be delayed until we actually have stuff to print.
1250: */
1251:
1.50 kristaps 1252: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1253: return;
1254:
1.37 kristaps 1255: if (TERMTYPE_PS == p->type)
1.59 schwarze 1256: ps_printf(p, "/%s %zu selectfont\n",
1257: fonts[(int)f].name, p->ps->scale);
1.37 kristaps 1258: else
1.59 schwarze 1259: ps_printf(p, "/F%d %zu Tf\n",
1260: (int)f, p->ps->scale);
1.9 kristaps 1261: }
1262:
1.11 kristaps 1263: static size_t
1.49 kristaps 1264: ps_width(const struct termp *p, int c)
1.11 kristaps 1265: {
1266:
1.14 kristaps 1267: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1268: c = 0;
1269: else
1270: c -= 32;
1.14 kristaps 1271:
1.75 schwarze 1272: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.11 kristaps 1273: }
1.19 kristaps 1274:
1.74 schwarze 1275: static int
1.19 kristaps 1276: ps_hspan(const struct termp *p, const struct roffsu *su)
1277: {
1278: double r;
1.59 schwarze 1279:
1.19 kristaps 1280: /*
1281: * All of these measurements are derived by converting from the
1.21 kristaps 1282: * native measurement to AFM units.
1.19 kristaps 1283: */
1284: switch (su->unit) {
1.64 kristaps 1285: case SCALE_BU:
1286: /*
1287: * Traditionally, the default unit is fixed to the
1288: * output media. So this would refer to the point. In
1289: * mandoc(1), however, we stick to the default terminal
1290: * scaling unit so that output is the same regardless
1291: * the media.
1292: */
1293: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1294: break;
1.59 schwarze 1295: case SCALE_CM:
1.64 kristaps 1296: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1297: break;
1298: case SCALE_EM:
1299: r = su->scale *
1300: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1301: break;
1302: case SCALE_EN:
1303: r = su->scale *
1304: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1305: break;
1.59 schwarze 1306: case SCALE_IN:
1.62 schwarze 1307: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1308: break;
1.64 kristaps 1309: case SCALE_MM:
1310: r = su->scale *
1311: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1312: break;
1.59 schwarze 1313: case SCALE_PC:
1.62 schwarze 1314: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1315: break;
1.59 schwarze 1316: case SCALE_PT:
1.64 kristaps 1317: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1318: break;
1.59 schwarze 1319: case SCALE_VS:
1.50 kristaps 1320: r = su->scale * p->ps->lineheight;
1.19 kristaps 1321: break;
1322: default:
1323: r = su->scale;
1324: break;
1325: }
1326:
1.75 schwarze 1327: return r * 24.0;
1.50 kristaps 1328: }
1329:
1330: static void
1331: ps_growbuf(struct termp *p, size_t sz)
1332: {
1333: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1334: return;
1335:
1336: if (sz < PS_BUFSLOP)
1337: sz = PS_BUFSLOP;
1338:
1339: p->ps->psmargsz += sz;
1.60 schwarze 1340: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1341: }
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