Annotation of mandoc/term_ps.c, Revision 1.89
1.89 ! schwarze 1: /* $Id: term_ps.c,v 1.88 2017/10/26 18:11:31 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) */
1.89 ! schwarze 80: const char *medianame; /* for DocumentMedia and PageSize */
1.50 kristaps 81: size_t height; /* page height (AFM units */
82: size_t width; /* page width (AFM units) */
1.57 schwarze 83: size_t lastwidth; /* page width before last ll */
1.50 kristaps 84: size_t left; /* body left (AFM units) */
85: size_t header; /* header pos (AFM units) */
86: size_t footer; /* footer pos (AFM units) */
1.59 schwarze 87: size_t pdfbytes; /* current output byte */
1.50 kristaps 88: size_t pdflastpg; /* byte of last page mark */
89: size_t pdfbody; /* start of body object */
90: size_t *pdfobjs; /* table of object offsets */
91: size_t pdfobjsz; /* size of pdfobjs */
92: };
93:
1.74 schwarze 94: static int ps_hspan(const struct termp *,
1.50 kristaps 95: const struct roffsu *);
96: static size_t ps_width(const struct termp *, int);
97: static void ps_advance(struct termp *, size_t);
98: static void ps_begin(struct termp *);
99: static void ps_closepage(struct termp *);
100: static void ps_end(struct termp *);
101: static void ps_endline(struct termp *);
102: static void ps_growbuf(struct termp *, size_t);
103: static void ps_letter(struct termp *, int);
104: static void ps_pclose(struct termp *);
1.82 schwarze 105: static void ps_plast(struct termp *);
1.50 kristaps 106: static void ps_pletter(struct termp *, int);
1.81 schwarze 107: static void ps_printf(struct termp *, const char *, ...)
1.83 schwarze 108: __attribute__((__format__ (__printf__, 2, 3)));
1.50 kristaps 109: static void ps_putchar(struct termp *, char);
110: static void ps_setfont(struct termp *, enum termfont);
1.74 schwarze 111: static void ps_setwidth(struct termp *, int, int);
1.78 schwarze 112: static struct termp *pspdf_alloc(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 *
1.78 schwarze 513: pdf_alloc(const struct manoutput *outopts)
1.37 kristaps 514: {
515: struct termp *p;
516:
1.78 schwarze 517: if (NULL != (p = pspdf_alloc(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 *
1.78 schwarze 524: ps_alloc(const struct manoutput *outopts)
1.1 kristaps 525: {
526: struct termp *p;
1.37 kristaps 527:
1.78 schwarze 528: if (NULL != (p = pspdf_alloc(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 *
1.78 schwarze 535: pspdf_alloc(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:
1.85 schwarze 542: p = mandoc_calloc(1, sizeof(*p));
543: p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
544: p->maxtcol = 1;
545:
1.51 kristaps 546: p->enc = TERMENC_ASCII;
1.71 schwarze 547: p->fontq = mandoc_reallocarray(NULL,
1.85 schwarze 548: (p->fontsz = 8), sizeof(*p->fontq));
1.71 schwarze 549: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.85 schwarze 550: p->ps = mandoc_calloc(1, sizeof(*p->ps));
1.1 kristaps 551:
1.19 kristaps 552: p->advance = ps_advance;
1.2 kristaps 553: p->begin = ps_begin;
554: p->end = ps_end;
555: p->endline = ps_endline;
1.19 kristaps 556: p->hspan = ps_hspan;
557: p->letter = ps_letter;
1.57 schwarze 558: p->setwidth = ps_setwidth;
1.11 kristaps 559: p->width = ps_width;
1.59 schwarze 560:
1.25 kristaps 561: /* Default to US letter (millimetres). */
562:
1.89 ! schwarze 563: p->ps->medianame = "Letter";
1.31 kristaps 564: pagex = 216;
565: pagey = 279;
1.25 kristaps 566:
567: /*
568: * The ISO-269 paper sizes can be calculated automatically, but
569: * it would require bringing in -lm for pow() and I'd rather not
570: * do that. So just do it the easy way for now. Since this
571: * only happens once, I'm not terribly concerned.
572: */
573:
1.73 schwarze 574: pp = outopts->paper;
1.89 ! schwarze 575: if (pp != NULL && strcasecmp(pp, "letter") != 0) {
! 576: if (strcasecmp(pp, "a3") == 0) {
! 577: p->ps->medianame = "A3";
1.25 kristaps 578: pagex = 297;
579: pagey = 420;
1.89 ! schwarze 580: } else if (strcasecmp(pp, "a4") == 0) {
! 581: p->ps->medianame = "A4";
1.25 kristaps 582: pagex = 210;
583: pagey = 297;
1.89 ! schwarze 584: } else if (strcasecmp(pp, "a5") == 0) {
! 585: p->ps->medianame = "A5";
1.25 kristaps 586: pagex = 148;
587: pagey = 210;
1.89 ! schwarze 588: } else if (strcasecmp(pp, "legal") == 0) {
! 589: p->ps->medianame = "Legal";
1.25 kristaps 590: pagex = 216;
591: pagey = 356;
1.89 ! schwarze 592: } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
! 593: p->ps->medianame = "CustomSize";
! 594: else
1.76 schwarze 595: warnx("%s: Unknown paper", pp);
1.54 schwarze 596: }
1.27 kristaps 597:
1.59 schwarze 598: /*
1.27 kristaps 599: * This MUST be defined before any PNT2AFM or AFM2PNT
600: * calculations occur.
601: */
602:
1.50 kristaps 603: p->ps->scale = 11;
1.27 kristaps 604:
1.25 kristaps 605: /* Remember millimetres -> AFM units. */
606:
1.88 schwarze 607: pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
608: pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
1.25 kristaps 609:
1.28 kristaps 610: /* Margins are 1/9 the page x and y. */
1.27 kristaps 611:
1.59 schwarze 612: marginx = (size_t)((double)pagex / 9.0);
613: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 614:
1.31 kristaps 615: /* Line-height is 1.4em. */
616:
1.50 kristaps 617: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 618:
1.57 schwarze 619: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 620: p->ps->height = (size_t)pagey;
1.50 kristaps 621: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
622: p->ps->top = pagey - marginy;
623: p->ps->footer = (marginy / 2) - (lineheight / 2);
624: p->ps->bottom = marginy;
625: p->ps->left = marginx;
626: p->ps->lineheight = lineheight;
1.16 kristaps 627:
1.28 kristaps 628: p->defrmargin = pagex - (marginx * 2);
1.75 schwarze 629: return p;
1.57 schwarze 630: }
631:
632: static void
1.74 schwarze 633: ps_setwidth(struct termp *p, int iop, int width)
1.57 schwarze 634: {
635: size_t lastwidth;
636:
637: lastwidth = p->ps->width;
1.69 schwarze 638: if (iop > 0)
1.58 schwarze 639: p->ps->width += width;
1.69 schwarze 640: else if (iop == 0)
1.74 schwarze 641: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
642: else if (p->ps->width > (size_t)width)
1.58 schwarze 643: p->ps->width -= width;
644: else
1.69 schwarze 645: p->ps->width = 0;
1.57 schwarze 646: p->ps->lastwidth = lastwidth;
1.1 kristaps 647: }
648:
649: void
1.37 kristaps 650: pspdf_free(void *arg)
1.1 kristaps 651: {
1.4 kristaps 652: struct termp *p;
653:
654: p = (struct termp *)arg;
655:
1.80 schwarze 656: free(p->ps->psmarg);
657: free(p->ps->pdfobjs);
1.4 kristaps 658:
1.50 kristaps 659: free(p->ps);
1.4 kristaps 660: term_free(p);
661: }
662:
663: static void
664: ps_printf(struct termp *p, const char *fmt, ...)
665: {
666: va_list ap;
1.37 kristaps 667: int pos, len;
1.4 kristaps 668:
669: va_start(ap, fmt);
670:
671: /*
672: * If we're running in regular mode, then pipe directly into
673: * vprintf(). If we're processing margins, then push the data
674: * into our growable margin buffer.
675: */
1.1 kristaps 676:
1.50 kristaps 677: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 678: len = vprintf(fmt, ap);
1.4 kristaps 679: va_end(ap);
1.59 schwarze 680: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 681: return;
682: }
683:
1.59 schwarze 684: /*
1.4 kristaps 685: * XXX: I assume that the in-margin print won't exceed
686: * PS_BUFSLOP (128 bytes), which is reasonable but still an
687: * assumption that will cause pukeage if it's not the case.
688: */
689:
1.40 joerg 690: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 691:
1.50 kristaps 692: pos = (int)p->ps->psmargcur;
1.54 schwarze 693: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 694:
695: va_end(ap);
1.37 kristaps 696:
1.50 kristaps 697: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 698: }
699:
700: static void
701: ps_putchar(struct termp *p, char c)
702: {
703: int pos;
704:
705: /* See ps_printf(). */
706:
1.50 kristaps 707: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 708: putchar(c);
1.50 kristaps 709: p->ps->pdfbytes++;
1.4 kristaps 710: return;
711: }
712:
1.40 joerg 713: ps_growbuf(p, 2);
1.4 kristaps 714:
1.50 kristaps 715: pos = (int)p->ps->psmargcur++;
716: p->ps->psmarg[pos++] = c;
717: p->ps->psmarg[pos] = '\0';
1.2 kristaps 718: }
719:
1.37 kristaps 720: static void
1.39 kristaps 721: pdf_obj(struct termp *p, size_t obj)
722: {
723:
724: assert(obj > 0);
725:
1.50 kristaps 726: if ((obj - 1) >= p->ps->pdfobjsz) {
727: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 728: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
729: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 730: }
731:
1.50 kristaps 732: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 733: ps_printf(p, "%zu 0 obj\n", obj);
734: }
735:
736: static void
1.37 kristaps 737: ps_closepage(struct termp *p)
738: {
739: int i;
1.38 kristaps 740: size_t len, base;
741:
742: /*
743: * Close out a page that we've already flushed to output. In
744: * PostScript, we simply note that the page must be showed. In
745: * PDF, we must now create the Length, Resource, and Page node
746: * for the page contents.
747: */
1.37 kristaps 748:
1.50 kristaps 749: assert(p->ps->psmarg && p->ps->psmarg[0]);
750: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 751:
1.38 kristaps 752: if (TERMTYPE_PS != p->type) {
1.50 kristaps 753: len = p->ps->pdfbytes - p->ps->pdflastpg;
754: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 755:
756: ps_printf(p, "endstream\nendobj\n");
757:
758: /* Length of content. */
1.39 kristaps 759: pdf_obj(p, base + 1);
1.38 kristaps 760: ps_printf(p, "%zu\nendobj\n", len);
761:
762: /* Resource for content. */
1.39 kristaps 763: pdf_obj(p, base + 2);
1.38 kristaps 764: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 765: ps_printf(p, "/Font <<\n");
1.59 schwarze 766: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 767: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.86 schwarze 768: ps_printf(p, ">>\n>>\nendobj\n");
1.38 kristaps 769:
770: /* Page node. */
1.39 kristaps 771: pdf_obj(p, base + 3);
772: ps_printf(p, "<<\n");
1.37 kristaps 773: ps_printf(p, "/Type /Page\n");
774: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 775: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
776: ps_printf(p, "/Contents %zu 0 R\n", base);
777: ps_printf(p, ">>\nendobj\n");
778: } else
779: ps_printf(p, "showpage\n");
1.37 kristaps 780:
1.50 kristaps 781: p->ps->pages++;
782: p->ps->psrow = p->ps->top;
783: assert( ! (PS_NEWPAGE & p->ps->flags));
784: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 785: }
786:
1.2 kristaps 787: static void
788: ps_end(struct termp *p)
789: {
1.38 kristaps 790: size_t i, xref, base;
1.2 kristaps 791:
1.82 schwarze 792: ps_plast(p);
793: ps_pclose(p);
794:
1.4 kristaps 795: /*
796: * At the end of the file, do one last showpage. This is the
797: * same behaviour as groff(1) and works for multiple pages as
798: * well as just one.
799: */
800:
1.50 kristaps 801: if ( ! (PS_NEWPAGE & p->ps->flags)) {
802: assert(0 == p->ps->flags);
803: assert('\0' == p->ps->last);
1.37 kristaps 804: ps_closepage(p);
1.30 kristaps 805: }
1.16 kristaps 806:
1.37 kristaps 807: if (TERMTYPE_PS == p->type) {
808: ps_printf(p, "%%%%Trailer\n");
1.50 kristaps 809: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.37 kristaps 810: ps_printf(p, "%%%%EOF\n");
811: return;
1.59 schwarze 812: }
1.37 kristaps 813:
1.39 kristaps 814: pdf_obj(p, 2);
815: ps_printf(p, "<<\n/Type /Pages\n");
1.37 kristaps 816: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.50 kristaps 817: (size_t)AFM2PNT(p, p->ps->width),
818: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 819:
1.50 kristaps 820: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.37 kristaps 821: ps_printf(p, "/Kids [");
822:
1.50 kristaps 823: for (i = 0; i < p->ps->pages; i++)
1.59 schwarze 824: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.38 kristaps 825:
1.59 schwarze 826: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.38 kristaps 827:
828: ps_printf(p, "]\n>>\nendobj\n");
1.39 kristaps 829: pdf_obj(p, base);
1.37 kristaps 830: ps_printf(p, "<<\n");
831: ps_printf(p, "/Type /Catalog\n");
832: ps_printf(p, "/Pages 2 0 R\n");
1.86 schwarze 833: ps_printf(p, ">>\nendobj\n");
1.50 kristaps 834: xref = p->ps->pdfbytes;
1.37 kristaps 835: ps_printf(p, "xref\n");
1.38 kristaps 836: ps_printf(p, "0 %zu\n", base + 1);
1.39 kristaps 837: ps_printf(p, "0000000000 65535 f \n");
838:
839: for (i = 0; i < base; i++)
1.59 schwarze 840: ps_printf(p, "%.10zu 00000 n \n",
841: p->ps->pdfobjs[(int)i]);
1.39 kristaps 842:
1.37 kristaps 843: ps_printf(p, "trailer\n");
844: ps_printf(p, "<<\n");
1.38 kristaps 845: ps_printf(p, "/Size %zu\n", base + 1);
846: ps_printf(p, "/Root %zu 0 R\n", base);
1.37 kristaps 847: ps_printf(p, "/Info 1 0 R\n");
848: ps_printf(p, ">>\n");
849: ps_printf(p, "startxref\n");
850: ps_printf(p, "%zu\n", xref);
851: ps_printf(p, "%%%%EOF\n");
1.2 kristaps 852: }
853:
854: static void
855: ps_begin(struct termp *p)
856: {
1.89 ! schwarze 857: size_t width, height;
1.16 kristaps 858: int i;
1.2 kristaps 859:
1.59 schwarze 860: /*
1.9 kristaps 861: * Print margins into margin buffer. Nothing gets output to the
862: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 863: */
864:
1.50 kristaps 865: if (p->ps->psmarg) {
866: assert(p->ps->psmargsz);
867: p->ps->psmarg[0] = '\0';
1.4 kristaps 868: }
869:
1.50 kristaps 870: /*p->ps->pdfbytes = 0;*/
871: p->ps->psmargcur = 0;
872: p->ps->flags = PS_MARGINS;
873: p->ps->pscol = p->ps->left;
874: p->ps->psrow = p->ps->header;
1.4 kristaps 875:
1.9 kristaps 876: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 877:
878: (*p->headf)(p, p->argf);
879: (*p->endline)(p);
880:
1.50 kristaps 881: p->ps->pscol = p->ps->left;
882: p->ps->psrow = p->ps->footer;
1.4 kristaps 883:
884: (*p->footf)(p, p->argf);
885: (*p->endline)(p);
886:
1.50 kristaps 887: p->ps->flags &= ~PS_MARGINS;
1.9 kristaps 888:
1.50 kristaps 889: assert(0 == p->ps->flags);
890: assert(p->ps->psmarg);
891: assert('\0' != p->ps->psmarg[0]);
1.9 kristaps 892:
1.59 schwarze 893: /*
1.9 kristaps 894: * Print header and initialise page state. Following this,
895: * stuff gets printed to the screen, so make sure we're sane.
896: */
1.4 kristaps 897:
1.37 kristaps 898: if (TERMTYPE_PS == p->type) {
1.89 ! schwarze 899: width = AFM2PNT(p, p->ps->width);
! 900: height = AFM2PNT(p, p->ps->height);
! 901:
1.37 kristaps 902: ps_printf(p, "%%!PS-Adobe-3.0\n");
903: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
904: ps_printf(p, "%%%%Orientation: Portrait\n");
905: ps_printf(p, "%%%%Pages: (atend)\n");
906: ps_printf(p, "%%%%PageOrder: Ascend\n");
1.89 ! schwarze 907: ps_printf(p, "%%%%DocumentMedia: man-%s %zu %zu 0 () ()\n",
! 908: p->ps->medianame, width, height);
1.37 kristaps 909: ps_printf(p, "%%%%DocumentNeededResources: font");
910:
911: for (i = 0; i < (int)TERMFONT__MAX; i++)
912: ps_printf(p, " %s", fonts[i].name);
913:
914: ps_printf(p, "\n%%%%EndComments\n");
1.89 ! schwarze 915: ps_printf(p, "%%%%BeginSetup\n");
! 916: ps_printf(p, "%%%%BeginFeature: *PageSize %s\n",
! 917: p->ps->medianame);
! 918: ps_printf(p, "<</PageSize [%zu %zu]>>setpagedevice\n",
! 919: width, height);
! 920: ps_printf(p, "%%%%EndFeature\n");
! 921: ps_printf(p, "%%%%EndSetup\n");
1.37 kristaps 922: } else {
923: ps_printf(p, "%%PDF-1.1\n");
1.39 kristaps 924: pdf_obj(p, 1);
1.37 kristaps 925: ps_printf(p, "<<\n");
926: ps_printf(p, ">>\n");
927: ps_printf(p, "endobj\n");
928:
929: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.39 kristaps 930: pdf_obj(p, (size_t)i + 3);
1.37 kristaps 931: ps_printf(p, "<<\n");
932: ps_printf(p, "/Type /Font\n");
933: ps_printf(p, "/Subtype /Type1\n");
1.55 joerg 934: ps_printf(p, "/Name /F%d\n", i);
1.37 kristaps 935: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
1.86 schwarze 936: ps_printf(p, ">>\nendobj\n");
1.37 kristaps 937: }
938: }
1.16 kristaps 939:
1.50 kristaps 940: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
941: p->ps->pscol = p->ps->left;
942: p->ps->psrow = p->ps->top;
943: p->ps->flags |= PS_NEWPAGE;
1.33 kristaps 944: ps_setfont(p, TERMFONT_NONE);
1.2 kristaps 945: }
946:
947: static void
1.13 kristaps 948: ps_pletter(struct termp *p, int c)
1.2 kristaps 949: {
1.14 kristaps 950: int f;
1.32 kristaps 951:
1.9 kristaps 952: /*
1.32 kristaps 953: * If we haven't opened a page context, then output that we're
954: * in a new page and make sure the font is correctly set.
1.9 kristaps 955: */
956:
1.50 kristaps 957: if (PS_NEWPAGE & p->ps->flags) {
1.37 kristaps 958: if (TERMTYPE_PS == p->type) {
1.59 schwarze 959: ps_printf(p, "%%%%Page: %zu %zu\n",
960: p->ps->pages + 1, p->ps->pages + 1);
961: ps_printf(p, "/%s %zu selectfont\n",
962: fonts[(int)p->ps->lastf].name,
963: p->ps->scale);
1.37 kristaps 964: } else {
1.59 schwarze 965: pdf_obj(p, p->ps->pdfbody +
966: p->ps->pages * 4);
1.37 kristaps 967: ps_printf(p, "<<\n");
1.59 schwarze 968: ps_printf(p, "/Length %zu 0 R\n",
969: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.37 kristaps 970: ps_printf(p, ">>\nstream\n");
971: }
1.50 kristaps 972: p->ps->pdflastpg = p->ps->pdfbytes;
973: p->ps->flags &= ~PS_NEWPAGE;
1.32 kristaps 974: }
1.59 schwarze 975:
1.32 kristaps 976: /*
977: * If we're not in a PostScript "word" context, then open one
978: * now at the current cursor.
979: */
1.30 kristaps 980:
1.50 kristaps 981: if ( ! (PS_INLINE & p->ps->flags)) {
1.37 kristaps 982: if (TERMTYPE_PS != p->type) {
1.59 schwarze 983: ps_printf(p, "BT\n/F%d %zu Tf\n",
984: (int)p->ps->lastf, p->ps->scale);
1.37 kristaps 985: ps_printf(p, "%.3f %.3f Td\n(",
1.59 schwarze 986: AFM2PNT(p, p->ps->pscol),
987: AFM2PNT(p, p->ps->psrow));
1.37 kristaps 988: } else
1.59 schwarze 989: ps_printf(p, "%.3f %.3f moveto\n(",
990: AFM2PNT(p, p->ps->pscol),
991: AFM2PNT(p, p->ps->psrow));
1.50 kristaps 992: p->ps->flags |= PS_INLINE;
1.2 kristaps 993: }
994:
1.50 kristaps 995: assert( ! (PS_NEWPAGE & p->ps->flags));
1.29 kristaps 996:
1.2 kristaps 997: /*
998: * We need to escape these characters as per the PostScript
999: * specification. We would also escape non-graphable characters
1000: * (like tabs), but none of them would get to this point and
1001: * it's superfluous to abort() on them.
1002: */
1003:
1004: switch (c) {
1.59 schwarze 1005: case '(':
1006: case ')':
1007: case '\\':
1.4 kristaps 1008: ps_putchar(p, '\\');
1.2 kristaps 1009: break;
1010: default:
1011: break;
1012: }
1013:
1014: /* Write the character and adjust where we are on the page. */
1.9 kristaps 1015:
1.50 kristaps 1016: f = (int)p->ps->lastf;
1.13 kristaps 1017:
1.61 schwarze 1018: if (c <= 32 || c - 32 >= MAXCHAR)
1019: c = 32;
1.13 kristaps 1020:
1.25 kristaps 1021: ps_putchar(p, (char)c);
1.14 kristaps 1022: c -= 32;
1.50 kristaps 1023: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.2 kristaps 1024: }
1025:
1026: static void
1.9 kristaps 1027: ps_pclose(struct termp *p)
1028: {
1029:
1.59 schwarze 1030: /*
1.9 kristaps 1031: * Spit out that we're exiting a word context (this is a
1032: * "partial close" because we don't check the last-char buffer
1033: * or anything).
1034: */
1035:
1.50 kristaps 1036: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1037: return;
1.59 schwarze 1038:
1.37 kristaps 1039: if (TERMTYPE_PS != p->type) {
1040: ps_printf(p, ") Tj\nET\n");
1041: } else
1042: ps_printf(p, ") show\n");
1043:
1.50 kristaps 1044: p->ps->flags &= ~PS_INLINE;
1.9 kristaps 1045: }
1046:
1.82 schwarze 1047: /* If we have a `last' char that wasn't printed yet, print it now. */
1.9 kristaps 1048: static void
1.82 schwarze 1049: ps_plast(struct termp *p)
1.9 kristaps 1050: {
1.82 schwarze 1051: size_t wx;
1052:
1053: if (p->ps->last == '\0')
1054: return;
1055:
1056: /* Check the font mode; open a new scope if it doesn't match. */
1057:
1058: if (p->ps->nextf != p->ps->lastf) {
1059: ps_pclose(p);
1060: ps_setfont(p, p->ps->nextf);
1061: }
1062: p->ps->nextf = TERMFONT_NONE;
1.9 kristaps 1063:
1064: /*
1.82 schwarze 1065: * For an overstrike, if a previous character
1066: * was wider, advance to center the new one.
1.9 kristaps 1067: */
1068:
1.82 schwarze 1069: if (p->ps->pscolnext) {
1070: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1071: if (p->ps->pscol + wx < p->ps->pscolnext)
1072: p->ps->pscol = (p->ps->pscol +
1073: p->ps->pscolnext - wx) / 2;
1.9 kristaps 1074: }
1075:
1.82 schwarze 1076: ps_pletter(p, p->ps->last);
1077: p->ps->last = '\0';
1078:
1079: /*
1080: * For an overstrike, if a previous character
1081: * was wider, advance to the end of the old one.
1082: */
1.9 kristaps 1083:
1.82 schwarze 1084: if (p->ps->pscol < p->ps->pscolnext) {
1085: ps_pclose(p);
1086: p->ps->pscol = p->ps->pscolnext;
1087: }
1.9 kristaps 1088: }
1089:
1090: static void
1.49 kristaps 1091: ps_letter(struct termp *p, int arg)
1.8 kristaps 1092: {
1.82 schwarze 1093: size_t savecol;
1.65 schwarze 1094: char c;
1.49 kristaps 1095:
1096: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1097:
1098: /*
1.67 schwarze 1099: * When receiving a backspace, merely flag it.
1100: * We don't know yet whether it is
1101: * a font instruction or an overstrike.
1.9 kristaps 1102: */
1103:
1.67 schwarze 1104: if (c == '\b') {
1.65 schwarze 1105: assert(p->ps->last != '\0');
1.67 schwarze 1106: assert( ! (p->ps->flags & PS_BACKSP));
1107: p->ps->flags |= PS_BACKSP;
1108: return;
1109: }
1110:
1111: /*
1112: * Decode font instructions.
1113: */
1114:
1115: if (p->ps->flags & PS_BACKSP) {
1116: if (p->ps->last == '_') {
1.65 schwarze 1117: switch (p->ps->nextf) {
1118: case TERMFONT_BI:
1119: break;
1120: case TERMFONT_BOLD:
1121: p->ps->nextf = TERMFONT_BI;
1122: break;
1123: default:
1124: p->ps->nextf = TERMFONT_UNDER;
1125: }
1.67 schwarze 1126: p->ps->last = c;
1127: p->ps->flags &= ~PS_BACKSP;
1128: return;
1129: }
1130: if (p->ps->last == c) {
1.65 schwarze 1131: switch (p->ps->nextf) {
1132: case TERMFONT_BI:
1133: break;
1134: case TERMFONT_UNDER:
1135: p->ps->nextf = TERMFONT_BI;
1136: break;
1137: default:
1138: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1139: }
1.67 schwarze 1140: p->ps->flags &= ~PS_BACKSP;
1141: return;
1.9 kristaps 1142: }
1.67 schwarze 1143:
1144: /*
1145: * This is not a font instruction, but rather
1146: * the next character. Prepare for overstrike.
1147: */
1148:
1149: savecol = p->ps->pscol;
1150: } else
1151: savecol = SIZE_MAX;
1152:
1153: /*
1154: * We found the next character, so the font instructions
1155: * for the previous one are complete.
1156: * Use them and print it.
1157: */
1158:
1.82 schwarze 1159: ps_plast(p);
1.67 schwarze 1160:
1161: /*
1162: * Do not print the current character yet because font
1.82 schwarze 1163: * instructions might follow; only remember the character.
1164: * It will get printed later from ps_plast().
1.67 schwarze 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:
1.82 schwarze 1197: ps_plast(p);
1198: ps_pclose(p);
1.50 kristaps 1199: p->ps->pscol += len;
1.2 kristaps 1200: }
1201:
1202: static void
1203: ps_endline(struct termp *p)
1204: {
1.8 kristaps 1205:
1.9 kristaps 1206: /* Close out any scopes we have open: we're at eoln. */
1207:
1.82 schwarze 1208: ps_plast(p);
1209: ps_pclose(p);
1.2 kristaps 1210:
1.9 kristaps 1211: /*
1212: * If we're in the margin, don't try to recalculate our current
1213: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1214: * lines, we'll do nasty stuff.
1.9 kristaps 1215: */
1.2 kristaps 1216:
1.50 kristaps 1217: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1218: return;
1219:
1220: /* Left-justify. */
1221:
1.50 kristaps 1222: p->ps->pscol = p->ps->left;
1.29 kristaps 1223:
1224: /* If we haven't printed anything, return. */
1225:
1.50 kristaps 1226: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1227: return;
1228:
1.9 kristaps 1229: /*
1230: * Put us down a line. If we're at the page bottom, spit out a
1231: * showpage and restart our row.
1232: */
1233:
1.59 schwarze 1234: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1235: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1236: return;
1237: }
1238:
1.37 kristaps 1239: ps_closepage(p);
1.84 schwarze 1240:
1.85 schwarze 1241: p->tcol->offset -= p->ti;
1.84 schwarze 1242: p->ti = 0;
1.1 kristaps 1243: }
1.9 kristaps 1244:
1245: static void
1246: ps_setfont(struct termp *p, enum termfont f)
1247: {
1248:
1.16 kristaps 1249: assert(f < TERMFONT__MAX);
1.50 kristaps 1250: p->ps->lastf = f;
1.59 schwarze 1251:
1.32 kristaps 1252: /*
1253: * If we're still at the top of the page, let the font-setting
1254: * be delayed until we actually have stuff to print.
1255: */
1256:
1.50 kristaps 1257: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1258: return;
1259:
1.37 kristaps 1260: if (TERMTYPE_PS == p->type)
1.59 schwarze 1261: ps_printf(p, "/%s %zu selectfont\n",
1262: fonts[(int)f].name, p->ps->scale);
1.37 kristaps 1263: else
1.59 schwarze 1264: ps_printf(p, "/F%d %zu Tf\n",
1265: (int)f, p->ps->scale);
1.9 kristaps 1266: }
1267:
1.11 kristaps 1268: static size_t
1.49 kristaps 1269: ps_width(const struct termp *p, int c)
1.11 kristaps 1270: {
1271:
1.14 kristaps 1272: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1273: c = 0;
1274: else
1275: c -= 32;
1.14 kristaps 1276:
1.75 schwarze 1277: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.11 kristaps 1278: }
1.19 kristaps 1279:
1.74 schwarze 1280: static int
1.19 kristaps 1281: ps_hspan(const struct termp *p, const struct roffsu *su)
1282: {
1283: double r;
1.59 schwarze 1284:
1.19 kristaps 1285: /*
1286: * All of these measurements are derived by converting from the
1.21 kristaps 1287: * native measurement to AFM units.
1.19 kristaps 1288: */
1289: switch (su->unit) {
1.64 kristaps 1290: case SCALE_BU:
1291: /*
1292: * Traditionally, the default unit is fixed to the
1293: * output media. So this would refer to the point. In
1294: * mandoc(1), however, we stick to the default terminal
1295: * scaling unit so that output is the same regardless
1296: * the media.
1297: */
1298: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1299: break;
1.59 schwarze 1300: case SCALE_CM:
1.64 kristaps 1301: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1302: break;
1303: case SCALE_EM:
1304: r = su->scale *
1305: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1306: break;
1307: case SCALE_EN:
1308: r = su->scale *
1309: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1310: break;
1.59 schwarze 1311: case SCALE_IN:
1.62 schwarze 1312: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1313: break;
1.64 kristaps 1314: case SCALE_MM:
1315: r = su->scale *
1316: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1317: break;
1.59 schwarze 1318: case SCALE_PC:
1.62 schwarze 1319: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1320: break;
1.59 schwarze 1321: case SCALE_PT:
1.64 kristaps 1322: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1323: break;
1.59 schwarze 1324: case SCALE_VS:
1.50 kristaps 1325: r = su->scale * p->ps->lineheight;
1.19 kristaps 1326: break;
1327: default:
1328: r = su->scale;
1329: break;
1330: }
1331:
1.75 schwarze 1332: return r * 24.0;
1.50 kristaps 1333: }
1334:
1335: static void
1336: ps_growbuf(struct termp *p, size_t sz)
1337: {
1338: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1339: return;
1340:
1341: if (sz < PS_BUFSLOP)
1342: sz = PS_BUFSLOP;
1343:
1344: p->ps->psmargsz += sz;
1.60 schwarze 1345: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1346: }
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