Annotation of mandoc/term_ps.c, Revision 1.82
1.82 ! schwarze 1: /* $Id: term_ps.c,v 1.81 2016/07/19 13:36:13 schwarze Exp $ */
1.1 kristaps 2: /*
1.53 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.82 ! schwarze 4: * Copyright (c) 2014, 2015, 2016 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 *, ...)
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:
1.51 kristaps 541: p = mandoc_calloc(1, sizeof(struct termp));
542: p->enc = TERMENC_ASCII;
1.71 schwarze 543: p->fontq = mandoc_reallocarray(NULL,
544: (p->fontsz = 8), sizeof(enum termfont));
545: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.50 kristaps 546: p->ps = mandoc_calloc(1, sizeof(struct termp_ps));
1.1 kristaps 547:
1.19 kristaps 548: p->advance = ps_advance;
1.2 kristaps 549: p->begin = ps_begin;
550: p->end = ps_end;
551: p->endline = ps_endline;
1.19 kristaps 552: p->hspan = ps_hspan;
553: p->letter = ps_letter;
1.57 schwarze 554: p->setwidth = ps_setwidth;
1.11 kristaps 555: p->width = ps_width;
1.59 schwarze 556:
1.25 kristaps 557: /* Default to US letter (millimetres). */
558:
1.31 kristaps 559: pagex = 216;
560: pagey = 279;
1.25 kristaps 561:
562: /*
563: * The ISO-269 paper sizes can be calculated automatically, but
564: * it would require bringing in -lm for pow() and I'd rather not
565: * do that. So just do it the easy way for now. Since this
566: * only happens once, I'm not terribly concerned.
567: */
568:
1.73 schwarze 569: pp = outopts->paper;
1.25 kristaps 570: if (pp && strcasecmp(pp, "letter")) {
571: if (0 == strcasecmp(pp, "a3")) {
572: pagex = 297;
573: pagey = 420;
574: } else if (0 == strcasecmp(pp, "a4")) {
575: pagex = 210;
576: pagey = 297;
577: } else if (0 == strcasecmp(pp, "a5")) {
578: pagex = 148;
579: pagey = 210;
580: } else if (0 == strcasecmp(pp, "legal")) {
581: pagex = 216;
582: pagey = 356;
1.52 kristaps 583: } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
1.76 schwarze 584: warnx("%s: Unknown paper", pp);
1.54 schwarze 585: }
1.27 kristaps 586:
1.59 schwarze 587: /*
1.27 kristaps 588: * This MUST be defined before any PNT2AFM or AFM2PNT
589: * calculations occur.
590: */
591:
1.50 kristaps 592: p->ps->scale = 11;
1.27 kristaps 593:
1.25 kristaps 594: /* Remember millimetres -> AFM units. */
595:
596: pagex = PNT2AFM(p, ((double)pagex * 2.834));
597: pagey = PNT2AFM(p, ((double)pagey * 2.834));
598:
1.28 kristaps 599: /* Margins are 1/9 the page x and y. */
1.27 kristaps 600:
1.59 schwarze 601: marginx = (size_t)((double)pagex / 9.0);
602: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 603:
1.31 kristaps 604: /* Line-height is 1.4em. */
605:
1.50 kristaps 606: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 607:
1.57 schwarze 608: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 609: p->ps->height = (size_t)pagey;
1.50 kristaps 610: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
611: p->ps->top = pagey - marginy;
612: p->ps->footer = (marginy / 2) - (lineheight / 2);
613: p->ps->bottom = marginy;
614: p->ps->left = marginx;
615: p->ps->lineheight = lineheight;
1.16 kristaps 616:
1.28 kristaps 617: p->defrmargin = pagex - (marginx * 2);
1.75 schwarze 618: return p;
1.57 schwarze 619: }
620:
621: static void
1.74 schwarze 622: ps_setwidth(struct termp *p, int iop, int width)
1.57 schwarze 623: {
624: size_t lastwidth;
625:
626: lastwidth = p->ps->width;
1.69 schwarze 627: if (iop > 0)
1.58 schwarze 628: p->ps->width += width;
1.69 schwarze 629: else if (iop == 0)
1.74 schwarze 630: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
631: else if (p->ps->width > (size_t)width)
1.58 schwarze 632: p->ps->width -= width;
633: else
1.69 schwarze 634: p->ps->width = 0;
1.57 schwarze 635: p->ps->lastwidth = lastwidth;
1.1 kristaps 636: }
637:
638: void
1.37 kristaps 639: pspdf_free(void *arg)
1.1 kristaps 640: {
1.4 kristaps 641: struct termp *p;
642:
643: p = (struct termp *)arg;
644:
1.80 schwarze 645: free(p->ps->psmarg);
646: free(p->ps->pdfobjs);
1.4 kristaps 647:
1.50 kristaps 648: free(p->ps);
1.4 kristaps 649: term_free(p);
650: }
651:
652: static void
653: ps_printf(struct termp *p, const char *fmt, ...)
654: {
655: va_list ap;
1.37 kristaps 656: int pos, len;
1.4 kristaps 657:
658: va_start(ap, fmt);
659:
660: /*
661: * If we're running in regular mode, then pipe directly into
662: * vprintf(). If we're processing margins, then push the data
663: * into our growable margin buffer.
664: */
1.1 kristaps 665:
1.50 kristaps 666: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 667: len = vprintf(fmt, ap);
1.4 kristaps 668: va_end(ap);
1.59 schwarze 669: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 670: return;
671: }
672:
1.59 schwarze 673: /*
1.4 kristaps 674: * XXX: I assume that the in-margin print won't exceed
675: * PS_BUFSLOP (128 bytes), which is reasonable but still an
676: * assumption that will cause pukeage if it's not the case.
677: */
678:
1.40 joerg 679: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 680:
1.50 kristaps 681: pos = (int)p->ps->psmargcur;
1.54 schwarze 682: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 683:
684: va_end(ap);
1.37 kristaps 685:
1.50 kristaps 686: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 687: }
688:
689: static void
690: ps_putchar(struct termp *p, char c)
691: {
692: int pos;
693:
694: /* See ps_printf(). */
695:
1.50 kristaps 696: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 697: putchar(c);
1.50 kristaps 698: p->ps->pdfbytes++;
1.4 kristaps 699: return;
700: }
701:
1.40 joerg 702: ps_growbuf(p, 2);
1.4 kristaps 703:
1.50 kristaps 704: pos = (int)p->ps->psmargcur++;
705: p->ps->psmarg[pos++] = c;
706: p->ps->psmarg[pos] = '\0';
1.2 kristaps 707: }
708:
1.37 kristaps 709: static void
1.39 kristaps 710: pdf_obj(struct termp *p, size_t obj)
711: {
712:
713: assert(obj > 0);
714:
1.50 kristaps 715: if ((obj - 1) >= p->ps->pdfobjsz) {
716: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 717: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
718: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 719: }
720:
1.50 kristaps 721: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 722: ps_printf(p, "%zu 0 obj\n", obj);
723: }
724:
725: static void
1.37 kristaps 726: ps_closepage(struct termp *p)
727: {
728: int i;
1.38 kristaps 729: size_t len, base;
730:
731: /*
732: * Close out a page that we've already flushed to output. In
733: * PostScript, we simply note that the page must be showed. In
734: * PDF, we must now create the Length, Resource, and Page node
735: * for the page contents.
736: */
1.37 kristaps 737:
1.50 kristaps 738: assert(p->ps->psmarg && p->ps->psmarg[0]);
739: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 740:
1.38 kristaps 741: if (TERMTYPE_PS != p->type) {
1.37 kristaps 742: ps_printf(p, "ET\n");
1.38 kristaps 743:
1.50 kristaps 744: len = p->ps->pdfbytes - p->ps->pdflastpg;
745: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 746:
747: ps_printf(p, "endstream\nendobj\n");
748:
749: /* Length of content. */
1.39 kristaps 750: pdf_obj(p, base + 1);
1.38 kristaps 751: ps_printf(p, "%zu\nendobj\n", len);
752:
753: /* Resource for content. */
1.39 kristaps 754: pdf_obj(p, base + 2);
1.38 kristaps 755: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 756: ps_printf(p, "/Font <<\n");
1.59 schwarze 757: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 758: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.38 kristaps 759: ps_printf(p, ">>\n>>\n");
760:
761: /* Page node. */
1.39 kristaps 762: pdf_obj(p, base + 3);
763: ps_printf(p, "<<\n");
1.37 kristaps 764: ps_printf(p, "/Type /Page\n");
765: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 766: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
767: ps_printf(p, "/Contents %zu 0 R\n", base);
768: ps_printf(p, ">>\nendobj\n");
769: } else
770: ps_printf(p, "showpage\n");
1.37 kristaps 771:
1.50 kristaps 772: p->ps->pages++;
773: p->ps->psrow = p->ps->top;
774: assert( ! (PS_NEWPAGE & p->ps->flags));
775: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 776: }
777:
1.2 kristaps 778: static void
779: ps_end(struct termp *p)
780: {
1.38 kristaps 781: size_t i, xref, base;
1.2 kristaps 782:
1.82 ! schwarze 783: ps_plast(p);
! 784: ps_pclose(p);
! 785:
1.4 kristaps 786: /*
787: * At the end of the file, do one last showpage. This is the
788: * same behaviour as groff(1) and works for multiple pages as
789: * well as just one.
790: */
791:
1.50 kristaps 792: if ( ! (PS_NEWPAGE & p->ps->flags)) {
793: assert(0 == p->ps->flags);
794: assert('\0' == p->ps->last);
1.37 kristaps 795: ps_closepage(p);
1.30 kristaps 796: }
1.16 kristaps 797:
1.37 kristaps 798: if (TERMTYPE_PS == p->type) {
799: ps_printf(p, "%%%%Trailer\n");
1.50 kristaps 800: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.37 kristaps 801: ps_printf(p, "%%%%EOF\n");
802: return;
1.59 schwarze 803: }
1.37 kristaps 804:
1.39 kristaps 805: pdf_obj(p, 2);
806: ps_printf(p, "<<\n/Type /Pages\n");
1.37 kristaps 807: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.50 kristaps 808: (size_t)AFM2PNT(p, p->ps->width),
809: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 810:
1.50 kristaps 811: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.37 kristaps 812: ps_printf(p, "/Kids [");
813:
1.50 kristaps 814: for (i = 0; i < p->ps->pages; i++)
1.59 schwarze 815: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.38 kristaps 816:
1.59 schwarze 817: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.38 kristaps 818:
819: ps_printf(p, "]\n>>\nendobj\n");
1.39 kristaps 820: pdf_obj(p, base);
1.37 kristaps 821: ps_printf(p, "<<\n");
822: ps_printf(p, "/Type /Catalog\n");
823: ps_printf(p, "/Pages 2 0 R\n");
824: ps_printf(p, ">>\n");
1.50 kristaps 825: xref = p->ps->pdfbytes;
1.37 kristaps 826: ps_printf(p, "xref\n");
1.38 kristaps 827: ps_printf(p, "0 %zu\n", base + 1);
1.39 kristaps 828: ps_printf(p, "0000000000 65535 f \n");
829:
830: for (i = 0; i < base; i++)
1.59 schwarze 831: ps_printf(p, "%.10zu 00000 n \n",
832: p->ps->pdfobjs[(int)i]);
1.39 kristaps 833:
1.37 kristaps 834: ps_printf(p, "trailer\n");
835: ps_printf(p, "<<\n");
1.38 kristaps 836: ps_printf(p, "/Size %zu\n", base + 1);
837: ps_printf(p, "/Root %zu 0 R\n", base);
1.37 kristaps 838: ps_printf(p, "/Info 1 0 R\n");
839: ps_printf(p, ">>\n");
840: ps_printf(p, "startxref\n");
841: ps_printf(p, "%zu\n", xref);
842: ps_printf(p, "%%%%EOF\n");
1.2 kristaps 843: }
844:
845: static void
846: ps_begin(struct termp *p)
847: {
1.16 kristaps 848: int i;
1.2 kristaps 849:
1.59 schwarze 850: /*
1.9 kristaps 851: * Print margins into margin buffer. Nothing gets output to the
852: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 853: */
854:
1.50 kristaps 855: if (p->ps->psmarg) {
856: assert(p->ps->psmargsz);
857: p->ps->psmarg[0] = '\0';
1.4 kristaps 858: }
859:
1.50 kristaps 860: /*p->ps->pdfbytes = 0;*/
861: p->ps->psmargcur = 0;
862: p->ps->flags = PS_MARGINS;
863: p->ps->pscol = p->ps->left;
864: p->ps->psrow = p->ps->header;
1.4 kristaps 865:
1.9 kristaps 866: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 867:
868: (*p->headf)(p, p->argf);
869: (*p->endline)(p);
870:
1.50 kristaps 871: p->ps->pscol = p->ps->left;
872: p->ps->psrow = p->ps->footer;
1.4 kristaps 873:
874: (*p->footf)(p, p->argf);
875: (*p->endline)(p);
876:
1.50 kristaps 877: p->ps->flags &= ~PS_MARGINS;
1.9 kristaps 878:
1.50 kristaps 879: assert(0 == p->ps->flags);
880: assert(p->ps->psmarg);
881: assert('\0' != p->ps->psmarg[0]);
1.9 kristaps 882:
1.59 schwarze 883: /*
1.9 kristaps 884: * Print header and initialise page state. Following this,
885: * stuff gets printed to the screen, so make sure we're sane.
886: */
1.4 kristaps 887:
1.37 kristaps 888: if (TERMTYPE_PS == p->type) {
889: ps_printf(p, "%%!PS-Adobe-3.0\n");
890: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
891: ps_printf(p, "%%%%Orientation: Portrait\n");
892: ps_printf(p, "%%%%Pages: (atend)\n");
893: ps_printf(p, "%%%%PageOrder: Ascend\n");
894: ps_printf(p, "%%%%DocumentMedia: "
1.59 schwarze 895: "Default %zu %zu 0 () ()\n",
896: (size_t)AFM2PNT(p, p->ps->width),
897: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 898: ps_printf(p, "%%%%DocumentNeededResources: font");
899:
900: for (i = 0; i < (int)TERMFONT__MAX; i++)
901: ps_printf(p, " %s", fonts[i].name);
902:
903: ps_printf(p, "\n%%%%EndComments\n");
904: } else {
905: ps_printf(p, "%%PDF-1.1\n");
1.39 kristaps 906: pdf_obj(p, 1);
1.37 kristaps 907: ps_printf(p, "<<\n");
908: ps_printf(p, ">>\n");
909: ps_printf(p, "endobj\n");
910:
911: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.39 kristaps 912: pdf_obj(p, (size_t)i + 3);
1.37 kristaps 913: ps_printf(p, "<<\n");
914: ps_printf(p, "/Type /Font\n");
915: ps_printf(p, "/Subtype /Type1\n");
1.55 joerg 916: ps_printf(p, "/Name /F%d\n", i);
1.37 kristaps 917: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
918: ps_printf(p, ">>\n");
919: }
920: }
1.16 kristaps 921:
1.50 kristaps 922: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
923: p->ps->pscol = p->ps->left;
924: p->ps->psrow = p->ps->top;
925: p->ps->flags |= PS_NEWPAGE;
1.33 kristaps 926: ps_setfont(p, TERMFONT_NONE);
1.2 kristaps 927: }
928:
929: static void
1.13 kristaps 930: ps_pletter(struct termp *p, int c)
1.2 kristaps 931: {
1.14 kristaps 932: int f;
1.32 kristaps 933:
1.9 kristaps 934: /*
1.32 kristaps 935: * If we haven't opened a page context, then output that we're
936: * in a new page and make sure the font is correctly set.
1.9 kristaps 937: */
938:
1.50 kristaps 939: if (PS_NEWPAGE & p->ps->flags) {
1.37 kristaps 940: if (TERMTYPE_PS == p->type) {
1.59 schwarze 941: ps_printf(p, "%%%%Page: %zu %zu\n",
942: p->ps->pages + 1, p->ps->pages + 1);
943: ps_printf(p, "/%s %zu selectfont\n",
944: fonts[(int)p->ps->lastf].name,
945: p->ps->scale);
1.37 kristaps 946: } else {
1.59 schwarze 947: pdf_obj(p, p->ps->pdfbody +
948: p->ps->pages * 4);
1.37 kristaps 949: ps_printf(p, "<<\n");
1.59 schwarze 950: ps_printf(p, "/Length %zu 0 R\n",
951: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.37 kristaps 952: ps_printf(p, ">>\nstream\n");
953: }
1.50 kristaps 954: p->ps->pdflastpg = p->ps->pdfbytes;
955: p->ps->flags &= ~PS_NEWPAGE;
1.32 kristaps 956: }
1.59 schwarze 957:
1.32 kristaps 958: /*
959: * If we're not in a PostScript "word" context, then open one
960: * now at the current cursor.
961: */
1.30 kristaps 962:
1.50 kristaps 963: if ( ! (PS_INLINE & p->ps->flags)) {
1.37 kristaps 964: if (TERMTYPE_PS != p->type) {
1.59 schwarze 965: ps_printf(p, "BT\n/F%d %zu Tf\n",
966: (int)p->ps->lastf, p->ps->scale);
1.37 kristaps 967: ps_printf(p, "%.3f %.3f Td\n(",
1.59 schwarze 968: AFM2PNT(p, p->ps->pscol),
969: AFM2PNT(p, p->ps->psrow));
1.37 kristaps 970: } else
1.59 schwarze 971: ps_printf(p, "%.3f %.3f moveto\n(",
972: AFM2PNT(p, p->ps->pscol),
973: AFM2PNT(p, p->ps->psrow));
1.50 kristaps 974: p->ps->flags |= PS_INLINE;
1.2 kristaps 975: }
976:
1.50 kristaps 977: assert( ! (PS_NEWPAGE & p->ps->flags));
1.29 kristaps 978:
1.2 kristaps 979: /*
980: * We need to escape these characters as per the PostScript
981: * specification. We would also escape non-graphable characters
982: * (like tabs), but none of them would get to this point and
983: * it's superfluous to abort() on them.
984: */
985:
986: switch (c) {
1.59 schwarze 987: case '(':
988: case ')':
989: case '\\':
1.4 kristaps 990: ps_putchar(p, '\\');
1.2 kristaps 991: break;
992: default:
993: break;
994: }
995:
996: /* Write the character and adjust where we are on the page. */
1.9 kristaps 997:
1.50 kristaps 998: f = (int)p->ps->lastf;
1.13 kristaps 999:
1.61 schwarze 1000: if (c <= 32 || c - 32 >= MAXCHAR)
1001: c = 32;
1.13 kristaps 1002:
1.25 kristaps 1003: ps_putchar(p, (char)c);
1.14 kristaps 1004: c -= 32;
1.50 kristaps 1005: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.2 kristaps 1006: }
1007:
1008: static void
1.9 kristaps 1009: ps_pclose(struct termp *p)
1010: {
1011:
1.59 schwarze 1012: /*
1.9 kristaps 1013: * Spit out that we're exiting a word context (this is a
1014: * "partial close" because we don't check the last-char buffer
1015: * or anything).
1016: */
1017:
1.50 kristaps 1018: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1019: return;
1.59 schwarze 1020:
1.37 kristaps 1021: if (TERMTYPE_PS != p->type) {
1022: ps_printf(p, ") Tj\nET\n");
1023: } else
1024: ps_printf(p, ") show\n");
1025:
1.50 kristaps 1026: p->ps->flags &= ~PS_INLINE;
1.9 kristaps 1027: }
1028:
1.82 ! schwarze 1029: /* If we have a `last' char that wasn't printed yet, print it now. */
1.9 kristaps 1030: static void
1.82 ! schwarze 1031: ps_plast(struct termp *p)
1.9 kristaps 1032: {
1.82 ! schwarze 1033: size_t wx;
! 1034:
! 1035: if (p->ps->last == '\0')
! 1036: return;
! 1037:
! 1038: /* Check the font mode; open a new scope if it doesn't match. */
! 1039:
! 1040: if (p->ps->nextf != p->ps->lastf) {
! 1041: ps_pclose(p);
! 1042: ps_setfont(p, p->ps->nextf);
! 1043: }
! 1044: p->ps->nextf = TERMFONT_NONE;
1.9 kristaps 1045:
1046: /*
1.82 ! schwarze 1047: * For an overstrike, if a previous character
! 1048: * was wider, advance to center the new one.
1.9 kristaps 1049: */
1050:
1.82 ! schwarze 1051: if (p->ps->pscolnext) {
! 1052: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
! 1053: if (p->ps->pscol + wx < p->ps->pscolnext)
! 1054: p->ps->pscol = (p->ps->pscol +
! 1055: p->ps->pscolnext - wx) / 2;
1.9 kristaps 1056: }
1057:
1.82 ! schwarze 1058: ps_pletter(p, p->ps->last);
! 1059: p->ps->last = '\0';
! 1060:
! 1061: /*
! 1062: * For an overstrike, if a previous character
! 1063: * was wider, advance to the end of the old one.
! 1064: */
1.9 kristaps 1065:
1.82 ! schwarze 1066: if (p->ps->pscol < p->ps->pscolnext) {
! 1067: ps_pclose(p);
! 1068: p->ps->pscol = p->ps->pscolnext;
! 1069: }
1.9 kristaps 1070: }
1071:
1072: static void
1.49 kristaps 1073: ps_letter(struct termp *p, int arg)
1.8 kristaps 1074: {
1.82 ! schwarze 1075: size_t savecol;
1.65 schwarze 1076: char c;
1.49 kristaps 1077:
1078: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1079:
1080: /*
1.67 schwarze 1081: * When receiving a backspace, merely flag it.
1082: * We don't know yet whether it is
1083: * a font instruction or an overstrike.
1.9 kristaps 1084: */
1085:
1.67 schwarze 1086: if (c == '\b') {
1.65 schwarze 1087: assert(p->ps->last != '\0');
1.67 schwarze 1088: assert( ! (p->ps->flags & PS_BACKSP));
1089: p->ps->flags |= PS_BACKSP;
1090: return;
1091: }
1092:
1093: /*
1094: * Decode font instructions.
1095: */
1096:
1097: if (p->ps->flags & PS_BACKSP) {
1098: if (p->ps->last == '_') {
1.65 schwarze 1099: switch (p->ps->nextf) {
1100: case TERMFONT_BI:
1101: break;
1102: case TERMFONT_BOLD:
1103: p->ps->nextf = TERMFONT_BI;
1104: break;
1105: default:
1106: p->ps->nextf = TERMFONT_UNDER;
1107: }
1.67 schwarze 1108: p->ps->last = c;
1109: p->ps->flags &= ~PS_BACKSP;
1110: return;
1111: }
1112: if (p->ps->last == c) {
1.65 schwarze 1113: switch (p->ps->nextf) {
1114: case TERMFONT_BI:
1115: break;
1116: case TERMFONT_UNDER:
1117: p->ps->nextf = TERMFONT_BI;
1118: break;
1119: default:
1120: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1121: }
1.67 schwarze 1122: p->ps->flags &= ~PS_BACKSP;
1123: return;
1.9 kristaps 1124: }
1.67 schwarze 1125:
1126: /*
1127: * This is not a font instruction, but rather
1128: * the next character. Prepare for overstrike.
1129: */
1130:
1131: savecol = p->ps->pscol;
1132: } else
1133: savecol = SIZE_MAX;
1134:
1135: /*
1136: * We found the next character, so the font instructions
1137: * for the previous one are complete.
1138: * Use them and print it.
1139: */
1140:
1.82 ! schwarze 1141: ps_plast(p);
1.67 schwarze 1142:
1143: /*
1144: * Do not print the current character yet because font
1.82 ! schwarze 1145: * instructions might follow; only remember the character.
! 1146: * It will get printed later from ps_plast().
1.67 schwarze 1147: */
1148:
1.65 schwarze 1149: p->ps->last = c;
1.67 schwarze 1150:
1151: /*
1152: * For an overstrike, back up to the previous position.
1.72 schwarze 1153: * If the previous character is wider than any it overstrikes,
1154: * remember the current position, because it might also be
1155: * wider than all that will overstrike it.
1.67 schwarze 1156: */
1157:
1158: if (savecol != SIZE_MAX) {
1.72 schwarze 1159: if (p->ps->pscolnext < p->ps->pscol)
1160: p->ps->pscolnext = p->ps->pscol;
1.67 schwarze 1161: ps_pclose(p);
1162: p->ps->pscol = savecol;
1163: p->ps->flags &= ~PS_BACKSP;
1.72 schwarze 1164: } else
1165: p->ps->pscolnext = 0;
1.8 kristaps 1166: }
1167:
1168: static void
1.2 kristaps 1169: ps_advance(struct termp *p, size_t len)
1170: {
1171:
1.9 kristaps 1172: /*
1173: * Advance some spaces. This can probably be made smarter,
1174: * i.e., to have multiple space-separated words in the same
1175: * scope, but this is easier: just close out the current scope
1176: * and readjust our column settings.
1177: */
1.8 kristaps 1178:
1.82 ! schwarze 1179: ps_plast(p);
! 1180: ps_pclose(p);
1.50 kristaps 1181: p->ps->pscol += len;
1.2 kristaps 1182: }
1183:
1184: static void
1185: ps_endline(struct termp *p)
1186: {
1.8 kristaps 1187:
1.9 kristaps 1188: /* Close out any scopes we have open: we're at eoln. */
1189:
1.82 ! schwarze 1190: ps_plast(p);
! 1191: ps_pclose(p);
1.2 kristaps 1192:
1.9 kristaps 1193: /*
1194: * If we're in the margin, don't try to recalculate our current
1195: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1196: * lines, we'll do nasty stuff.
1.9 kristaps 1197: */
1.2 kristaps 1198:
1.50 kristaps 1199: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1200: return;
1201:
1202: /* Left-justify. */
1203:
1.50 kristaps 1204: p->ps->pscol = p->ps->left;
1.29 kristaps 1205:
1206: /* If we haven't printed anything, return. */
1207:
1.50 kristaps 1208: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1209: return;
1210:
1.9 kristaps 1211: /*
1212: * Put us down a line. If we're at the page bottom, spit out a
1213: * showpage and restart our row.
1214: */
1215:
1.59 schwarze 1216: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1217: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1218: return;
1219: }
1220:
1.37 kristaps 1221: ps_closepage(p);
1.1 kristaps 1222: }
1.9 kristaps 1223:
1224: static void
1225: ps_setfont(struct termp *p, enum termfont f)
1226: {
1227:
1.16 kristaps 1228: assert(f < TERMFONT__MAX);
1.50 kristaps 1229: p->ps->lastf = f;
1.59 schwarze 1230:
1.32 kristaps 1231: /*
1232: * If we're still at the top of the page, let the font-setting
1233: * be delayed until we actually have stuff to print.
1234: */
1235:
1.50 kristaps 1236: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1237: return;
1238:
1.37 kristaps 1239: if (TERMTYPE_PS == p->type)
1.59 schwarze 1240: ps_printf(p, "/%s %zu selectfont\n",
1241: fonts[(int)f].name, p->ps->scale);
1.37 kristaps 1242: else
1.59 schwarze 1243: ps_printf(p, "/F%d %zu Tf\n",
1244: (int)f, p->ps->scale);
1.9 kristaps 1245: }
1246:
1.11 kristaps 1247: static size_t
1.49 kristaps 1248: ps_width(const struct termp *p, int c)
1.11 kristaps 1249: {
1250:
1.14 kristaps 1251: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1252: c = 0;
1253: else
1254: c -= 32;
1.14 kristaps 1255:
1.75 schwarze 1256: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.11 kristaps 1257: }
1.19 kristaps 1258:
1.74 schwarze 1259: static int
1.19 kristaps 1260: ps_hspan(const struct termp *p, const struct roffsu *su)
1261: {
1262: double r;
1.59 schwarze 1263:
1.19 kristaps 1264: /*
1265: * All of these measurements are derived by converting from the
1.21 kristaps 1266: * native measurement to AFM units.
1.19 kristaps 1267: */
1268: switch (su->unit) {
1.64 kristaps 1269: case SCALE_BU:
1270: /*
1271: * Traditionally, the default unit is fixed to the
1272: * output media. So this would refer to the point. In
1273: * mandoc(1), however, we stick to the default terminal
1274: * scaling unit so that output is the same regardless
1275: * the media.
1276: */
1277: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1278: break;
1.59 schwarze 1279: case SCALE_CM:
1.64 kristaps 1280: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1281: break;
1282: case SCALE_EM:
1283: r = su->scale *
1284: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1285: break;
1286: case SCALE_EN:
1287: r = su->scale *
1288: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1289: break;
1.59 schwarze 1290: case SCALE_IN:
1.62 schwarze 1291: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1292: break;
1.64 kristaps 1293: case SCALE_MM:
1294: r = su->scale *
1295: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1296: break;
1.59 schwarze 1297: case SCALE_PC:
1.62 schwarze 1298: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1299: break;
1.59 schwarze 1300: case SCALE_PT:
1.64 kristaps 1301: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1302: break;
1.59 schwarze 1303: case SCALE_VS:
1.50 kristaps 1304: r = su->scale * p->ps->lineheight;
1.19 kristaps 1305: break;
1306: default:
1307: r = su->scale;
1308: break;
1309: }
1310:
1.75 schwarze 1311: return r * 24.0;
1.50 kristaps 1312: }
1313:
1314: static void
1315: ps_growbuf(struct termp *p, size_t sz)
1316: {
1317: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1318: return;
1319:
1320: if (sz < PS_BUFSLOP)
1321: sz = PS_BUFSLOP;
1322:
1323: p->ps->psmargsz += sz;
1.60 schwarze 1324: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1325: }
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