Annotation of mandoc/term_ps.c, Revision 1.72
1.72 ! schwarze 1: /* $Id: term_ps.c,v 1.71 2014/12/19 17:12:04 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: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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>
1.4 kristaps 23: #include <stdarg.h>
1.17 kristaps 24: #include <stdint.h>
1.2 kristaps 25: #include <stdio.h>
1.1 kristaps 26: #include <stdlib.h>
1.4 kristaps 27: #include <string.h>
1.26 kristaps 28: #include <unistd.h>
1.1 kristaps 29:
1.56 schwarze 30: #include "mandoc_aux.h"
1.1 kristaps 31: #include "out.h"
1.70 schwarze 32: #include "term.h"
1.1 kristaps 33: #include "main.h"
34:
1.50 kristaps 35: /* These work the buffer used by the header and footer. */
36: #define PS_BUFSLOP 128
37:
1.21 kristaps 38: /* Convert PostScript point "x" to an AFM unit. */
1.59 schwarze 39: #define PNT2AFM(p, x) \
1.50 kristaps 40: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 41:
42: /* Convert an AFM unit "x" to a PostScript points */
1.59 schwarze 43: #define AFM2PNT(p, x) \
1.50 kristaps 44: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 45:
1.13 kristaps 46: struct glyph {
1.36 kristaps 47: unsigned short wx; /* WX in AFM */
1.13 kristaps 48: };
49:
50: struct font {
51: const char *name; /* FontName in AFM */
1.15 kristaps 52: #define MAXCHAR 95 /* total characters we can handle */
1.13 kristaps 53: struct glyph gly[MAXCHAR]; /* glyph metrics */
54: };
55:
1.50 kristaps 56: struct termp_ps {
57: int flags;
58: #define PS_INLINE (1 << 0) /* we're in a word */
59: #define PS_MARGINS (1 << 1) /* we're in the margins */
60: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.67 schwarze 61: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.50 kristaps 62: size_t pscol; /* visible column (AFM units) */
1.72 ! schwarze 63: size_t pscolnext; /* used for overstrike */
1.50 kristaps 64: size_t psrow; /* visible row (AFM units) */
65: char *psmarg; /* margin buf */
66: size_t psmargsz; /* margin buf size */
67: size_t psmargcur; /* cur index in margin buf */
1.67 schwarze 68: char last; /* last non-backspace seen */
1.50 kristaps 69: enum termfont lastf; /* last set font */
1.65 schwarze 70: enum termfont nextf; /* building next font here */
1.50 kristaps 71: size_t scale; /* font scaling factor */
72: size_t pages; /* number of pages shown */
73: size_t lineheight; /* line height (AFM units) */
74: size_t top; /* body top (AFM units) */
75: size_t bottom; /* body bottom (AFM units) */
76: size_t height; /* page height (AFM units */
77: size_t width; /* page width (AFM units) */
1.57 schwarze 78: size_t lastwidth; /* page width before last ll */
1.50 kristaps 79: size_t left; /* body left (AFM units) */
80: size_t header; /* header pos (AFM units) */
81: size_t footer; /* footer pos (AFM units) */
1.59 schwarze 82: size_t pdfbytes; /* current output byte */
1.50 kristaps 83: size_t pdflastpg; /* byte of last page mark */
84: size_t pdfbody; /* start of body object */
85: size_t *pdfobjs; /* table of object offsets */
86: size_t pdfobjsz; /* size of pdfobjs */
87: };
88:
89: static double ps_hspan(const struct termp *,
90: const struct roffsu *);
91: static size_t ps_width(const struct termp *, int);
92: static void ps_advance(struct termp *, size_t);
93: static void ps_begin(struct termp *);
94: static void ps_closepage(struct termp *);
95: static void ps_end(struct termp *);
96: static void ps_endline(struct termp *);
97: static void ps_fclose(struct termp *);
98: static void ps_growbuf(struct termp *, size_t);
99: static void ps_letter(struct termp *, int);
100: static void ps_pclose(struct termp *);
101: static void ps_pletter(struct termp *, int);
1.55 joerg 102: #if __GNUC__ - 0 >= 4
103: __attribute__((__format__ (__printf__, 2, 3)))
104: #endif
1.50 kristaps 105: static void ps_printf(struct termp *, const char *, ...);
106: static void ps_putchar(struct termp *, char);
107: static void ps_setfont(struct termp *, enum termfont);
1.58 schwarze 108: static void ps_setwidth(struct termp *, int, size_t);
1.68 schwarze 109: static struct termp *pspdf_alloc(const struct mchars *, char *);
1.50 kristaps 110: static void pdf_obj(struct termp *, size_t);
111:
1.13 kristaps 112: /*
113: * We define, for the time being, three fonts: bold, oblique/italic, and
114: * normal (roman). The following table hard-codes the font metrics for
115: * ASCII, i.e., 32--127.
116: */
117:
1.16 kristaps 118: static const struct font fonts[TERMFONT__MAX] = {
1.24 kristaps 119: { "Times-Roman", {
120: { 250 },
121: { 333 },
122: { 408 },
123: { 500 },
124: { 500 },
125: { 833 },
126: { 778 },
127: { 333 },
128: { 333 },
129: { 333 },
130: { 500 },
131: { 564 },
132: { 250 },
133: { 333 },
134: { 250 },
135: { 278 },
136: { 500 },
137: { 500 },
138: { 500 },
139: { 500 },
140: { 500 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 500 },
146: { 278 },
147: { 278 },
148: { 564 },
149: { 564 },
150: { 564 },
151: { 444 },
152: { 921 },
153: { 722 },
154: { 667 },
155: { 667 },
156: { 722 },
157: { 611 },
158: { 556 },
159: { 722 },
160: { 722 },
161: { 333 },
162: { 389 },
163: { 722 },
164: { 611 },
165: { 889 },
166: { 722 },
167: { 722 },
168: { 556 },
169: { 722 },
170: { 667 },
171: { 556 },
172: { 611 },
173: { 722 },
174: { 722 },
175: { 944 },
176: { 722 },
177: { 722 },
178: { 611 },
179: { 333 },
180: { 278 },
181: { 333 },
182: { 469 },
183: { 500 },
184: { 333 },
185: { 444 },
186: { 500 },
187: { 444 },
188: { 500},
189: { 444},
190: { 333},
191: { 500},
192: { 500},
193: { 278},
194: { 278},
195: { 500},
196: { 278},
197: { 778},
198: { 500},
199: { 500},
200: { 500},
201: { 500},
202: { 333},
203: { 389},
204: { 278},
205: { 500},
206: { 500},
207: { 722},
208: { 500},
209: { 500},
210: { 444},
211: { 480},
212: { 200},
213: { 480},
214: { 541},
215: } },
216: { "Times-Bold", {
217: { 250 },
218: { 333 },
219: { 555 },
220: { 500 },
221: { 500 },
222: { 1000 },
223: { 833 },
224: { 333 },
225: { 333 },
226: { 333 },
227: { 500 },
228: { 570 },
229: { 250 },
230: { 333 },
231: { 250 },
232: { 278 },
233: { 500 },
234: { 500 },
235: { 500 },
236: { 500 },
237: { 500 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 500 },
243: { 333 },
244: { 333 },
245: { 570 },
246: { 570 },
247: { 570 },
248: { 500 },
249: { 930 },
250: { 722 },
251: { 667 },
252: { 722 },
253: { 722 },
254: { 667 },
255: { 611 },
256: { 778 },
257: { 778 },
258: { 389 },
259: { 500 },
260: { 778 },
261: { 667 },
262: { 944 },
263: { 722 },
264: { 778 },
265: { 611 },
266: { 778 },
267: { 722 },
268: { 556 },
269: { 667 },
270: { 722 },
271: { 722 },
272: { 1000 },
273: { 722 },
274: { 722 },
275: { 667 },
276: { 333 },
277: { 278 },
278: { 333 },
279: { 581 },
280: { 500 },
281: { 333 },
282: { 500 },
283: { 556 },
284: { 444 },
1.22 kristaps 285: { 556 },
1.24 kristaps 286: { 444 },
287: { 333 },
1.22 kristaps 288: { 500 },
1.24 kristaps 289: { 556 },
1.22 kristaps 290: { 278 },
1.24 kristaps 291: { 333 },
292: { 556 },
1.22 kristaps 293: { 278 },
1.24 kristaps 294: { 833 },
1.22 kristaps 295: { 556 },
1.24 kristaps 296: { 500 },
1.22 kristaps 297: { 556 },
298: { 556 },
299: { 444 },
1.24 kristaps 300: { 389 },
301: { 333 },
1.22 kristaps 302: { 556 },
303: { 500 },
1.24 kristaps 304: { 722 },
305: { 500 },
1.22 kristaps 306: { 500 },
1.24 kristaps 307: { 444 },
308: { 394 },
309: { 220 },
310: { 394 },
311: { 520 },
1.13 kristaps 312: } },
1.24 kristaps 313: { "Times-Italic", {
314: { 250 },
315: { 333 },
316: { 420 },
317: { 500 },
318: { 500 },
319: { 833 },
320: { 778 },
321: { 333 },
322: { 333 },
323: { 333 },
324: { 500 },
325: { 675 },
326: { 250 },
327: { 333 },
328: { 250 },
329: { 278 },
330: { 500 },
331: { 500 },
332: { 500 },
333: { 500 },
334: { 500 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 500 },
340: { 333 },
341: { 333 },
342: { 675 },
343: { 675 },
344: { 675 },
345: { 500 },
346: { 920 },
347: { 611 },
348: { 611 },
349: { 667 },
350: { 722 },
351: { 611 },
352: { 611 },
353: { 722 },
354: { 722 },
355: { 333 },
356: { 444 },
357: { 667 },
358: { 556 },
359: { 833 },
360: { 667 },
361: { 722 },
362: { 611 },
363: { 722 },
364: { 611 },
365: { 500 },
366: { 556 },
367: { 722 },
368: { 611 },
369: { 833 },
370: { 611 },
371: { 556 },
372: { 556 },
373: { 389 },
374: { 278 },
375: { 389 },
376: { 422 },
377: { 500 },
378: { 333 },
379: { 500 },
380: { 500 },
381: { 444 },
1.22 kristaps 382: { 500 },
1.24 kristaps 383: { 444 },
384: { 278 },
1.22 kristaps 385: { 500 },
386: { 500 },
387: { 278 },
1.24 kristaps 388: { 278 },
389: { 444 },
390: { 278 },
391: { 722 },
392: { 500 },
393: { 500 },
394: { 500 },
1.22 kristaps 395: { 500 },
1.24 kristaps 396: { 389 },
397: { 389 },
1.22 kristaps 398: { 278 },
399: { 500 },
1.24 kristaps 400: { 444 },
401: { 667 },
402: { 444 },
403: { 444 },
404: { 389 },
405: { 400 },
1.22 kristaps 406: { 275 },
1.24 kristaps 407: { 400 },
408: { 541 },
1.13 kristaps 409: } },
1.65 schwarze 410: { "Times-BoldItalic", {
411: { 250 },
412: { 389 },
413: { 555 },
414: { 500 },
415: { 500 },
416: { 833 },
417: { 778 },
418: { 333 },
419: { 333 },
420: { 333 },
421: { 500 },
422: { 570 },
423: { 250 },
424: { 333 },
425: { 250 },
426: { 278 },
427: { 500 },
428: { 500 },
429: { 500 },
430: { 500 },
431: { 500 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 500 },
437: { 333 },
438: { 333 },
439: { 570 },
440: { 570 },
441: { 570 },
442: { 500 },
443: { 832 },
444: { 667 },
445: { 667 },
446: { 667 },
447: { 722 },
448: { 667 },
449: { 667 },
450: { 722 },
451: { 778 },
452: { 389 },
453: { 500 },
454: { 667 },
455: { 611 },
456: { 889 },
457: { 722 },
458: { 722 },
459: { 611 },
460: { 722 },
461: { 667 },
462: { 556 },
463: { 611 },
464: { 722 },
465: { 667 },
466: { 889 },
467: { 667 },
468: { 611 },
469: { 611 },
470: { 333 },
471: { 278 },
472: { 333 },
473: { 570 },
474: { 500 },
475: { 333 },
476: { 500 },
477: { 500 },
478: { 444 },
479: { 500 },
480: { 444 },
481: { 333 },
482: { 500 },
483: { 556 },
484: { 278 },
485: { 278 },
486: { 500 },
487: { 278 },
488: { 778 },
489: { 556 },
490: { 500 },
491: { 500 },
492: { 500 },
493: { 389 },
494: { 389 },
495: { 278 },
496: { 556 },
497: { 444 },
498: { 667 },
499: { 500 },
500: { 444 },
501: { 389 },
502: { 348 },
503: { 220 },
504: { 348 },
505: { 570 },
506: } },
1.13 kristaps 507: };
508:
1.37 kristaps 509: void *
1.68 schwarze 510: pdf_alloc(const struct mchars *mchars, char *outopts)
1.37 kristaps 511: {
512: struct termp *p;
513:
1.68 schwarze 514: if (NULL != (p = pspdf_alloc(mchars, outopts)))
1.38 kristaps 515: p->type = TERMTYPE_PDF;
1.37 kristaps 516:
517: return(p);
518: }
1.2 kristaps 519:
1.1 kristaps 520: void *
1.68 schwarze 521: ps_alloc(const struct mchars *mchars, char *outopts)
1.1 kristaps 522: {
523: struct termp *p;
1.37 kristaps 524:
1.68 schwarze 525: if (NULL != (p = pspdf_alloc(mchars, outopts)))
1.38 kristaps 526: p->type = TERMTYPE_PS;
1.37 kristaps 527:
528: return(p);
529: }
530:
531: static struct termp *
1.68 schwarze 532: pspdf_alloc(const struct mchars *mchars, char *outopts)
1.37 kristaps 533: {
534: struct termp *p;
1.52 kristaps 535: unsigned int pagex, pagey;
536: size_t marginx, marginy, lineheight;
1.17 kristaps 537: const char *toks[2];
1.25 kristaps 538: const char *pp;
1.17 kristaps 539: char *v;
1.1 kristaps 540:
1.51 kristaps 541: p = mandoc_calloc(1, sizeof(struct termp));
1.68 schwarze 542: p->symtab = mchars;
1.51 kristaps 543: p->enc = TERMENC_ASCII;
1.71 schwarze 544: p->fontq = mandoc_reallocarray(NULL,
545: (p->fontsz = 8), sizeof(enum termfont));
546: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.50 kristaps 547: p->ps = mandoc_calloc(1, sizeof(struct termp_ps));
1.1 kristaps 548:
1.19 kristaps 549: p->advance = ps_advance;
1.2 kristaps 550: p->begin = ps_begin;
551: p->end = ps_end;
552: p->endline = ps_endline;
1.19 kristaps 553: p->hspan = ps_hspan;
554: p->letter = ps_letter;
1.57 schwarze 555: p->setwidth = ps_setwidth;
1.11 kristaps 556: p->width = ps_width;
1.59 schwarze 557:
1.17 kristaps 558: toks[0] = "paper";
559: toks[1] = NULL;
560:
1.25 kristaps 561: pp = NULL;
1.19 kristaps 562:
1.17 kristaps 563: while (outopts && *outopts)
564: switch (getsubopt(&outopts, UNCONST(toks), &v)) {
1.59 schwarze 565: case 0:
1.25 kristaps 566: pp = v;
1.17 kristaps 567: break;
568: default:
569: break;
570: }
1.16 kristaps 571:
1.25 kristaps 572: /* Default to US letter (millimetres). */
573:
1.31 kristaps 574: pagex = 216;
575: pagey = 279;
1.25 kristaps 576:
577: /*
578: * The ISO-269 paper sizes can be calculated automatically, but
579: * it would require bringing in -lm for pow() and I'd rather not
580: * do that. So just do it the easy way for now. Since this
581: * only happens once, I'm not terribly concerned.
582: */
583:
584: if (pp && strcasecmp(pp, "letter")) {
585: if (0 == strcasecmp(pp, "a3")) {
586: pagex = 297;
587: pagey = 420;
588: } else if (0 == strcasecmp(pp, "a4")) {
589: pagex = 210;
590: pagey = 297;
591: } else if (0 == strcasecmp(pp, "a5")) {
592: pagex = 148;
593: pagey = 210;
594: } else if (0 == strcasecmp(pp, "legal")) {
595: pagex = 216;
596: pagey = 356;
1.52 kristaps 597: } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
1.25 kristaps 598: fprintf(stderr, "%s: Unknown paper\n", pp);
1.54 schwarze 599: }
1.27 kristaps 600:
1.59 schwarze 601: /*
1.27 kristaps 602: * This MUST be defined before any PNT2AFM or AFM2PNT
603: * calculations occur.
604: */
605:
1.50 kristaps 606: p->ps->scale = 11;
1.27 kristaps 607:
1.25 kristaps 608: /* Remember millimetres -> AFM units. */
609:
610: pagex = PNT2AFM(p, ((double)pagex * 2.834));
611: pagey = PNT2AFM(p, ((double)pagey * 2.834));
612:
1.28 kristaps 613: /* Margins are 1/9 the page x and y. */
1.27 kristaps 614:
1.59 schwarze 615: marginx = (size_t)((double)pagex / 9.0);
616: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 617:
1.31 kristaps 618: /* Line-height is 1.4em. */
619:
1.50 kristaps 620: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 621:
1.57 schwarze 622: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 623: p->ps->height = (size_t)pagey;
1.50 kristaps 624: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
625: p->ps->top = pagey - marginy;
626: p->ps->footer = (marginy / 2) - (lineheight / 2);
627: p->ps->bottom = marginy;
628: p->ps->left = marginx;
629: p->ps->lineheight = lineheight;
1.16 kristaps 630:
1.28 kristaps 631: p->defrmargin = pagex - (marginx * 2);
1.1 kristaps 632: return(p);
1.57 schwarze 633: }
634:
635: static void
1.58 schwarze 636: ps_setwidth(struct termp *p, int iop, size_t width)
1.57 schwarze 637: {
638: size_t lastwidth;
639:
640: lastwidth = p->ps->width;
1.69 schwarze 641: if (iop > 0)
1.58 schwarze 642: p->ps->width += width;
1.69 schwarze 643: else if (iop == 0)
644: p->ps->width = width ? width : p->ps->lastwidth;
645: else if (p->ps->width > width)
1.58 schwarze 646: p->ps->width -= width;
647: else
1.69 schwarze 648: p->ps->width = 0;
1.57 schwarze 649: p->ps->lastwidth = lastwidth;
1.1 kristaps 650: }
651:
652: void
1.37 kristaps 653: pspdf_free(void *arg)
1.1 kristaps 654: {
1.4 kristaps 655: struct termp *p;
656:
657: p = (struct termp *)arg;
658:
1.50 kristaps 659: if (p->ps->psmarg)
660: free(p->ps->psmarg);
661: if (p->ps->pdfobjs)
662: free(p->ps->pdfobjs);
1.4 kristaps 663:
1.50 kristaps 664: free(p->ps);
1.4 kristaps 665: term_free(p);
666: }
667:
668: static void
669: ps_printf(struct termp *p, const char *fmt, ...)
670: {
671: va_list ap;
1.37 kristaps 672: int pos, len;
1.4 kristaps 673:
674: va_start(ap, fmt);
675:
676: /*
677: * If we're running in regular mode, then pipe directly into
678: * vprintf(). If we're processing margins, then push the data
679: * into our growable margin buffer.
680: */
1.1 kristaps 681:
1.50 kristaps 682: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 683: len = vprintf(fmt, ap);
1.4 kristaps 684: va_end(ap);
1.59 schwarze 685: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 686: return;
687: }
688:
1.59 schwarze 689: /*
1.4 kristaps 690: * XXX: I assume that the in-margin print won't exceed
691: * PS_BUFSLOP (128 bytes), which is reasonable but still an
692: * assumption that will cause pukeage if it's not the case.
693: */
694:
1.40 joerg 695: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 696:
1.50 kristaps 697: pos = (int)p->ps->psmargcur;
1.54 schwarze 698: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 699:
700: va_end(ap);
1.37 kristaps 701:
1.50 kristaps 702: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 703: }
704:
705: static void
706: ps_putchar(struct termp *p, char c)
707: {
708: int pos;
709:
710: /* See ps_printf(). */
711:
1.50 kristaps 712: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 713: putchar(c);
1.50 kristaps 714: p->ps->pdfbytes++;
1.4 kristaps 715: return;
716: }
717:
1.40 joerg 718: ps_growbuf(p, 2);
1.4 kristaps 719:
1.50 kristaps 720: pos = (int)p->ps->psmargcur++;
721: p->ps->psmarg[pos++] = c;
722: p->ps->psmarg[pos] = '\0';
1.2 kristaps 723: }
724:
1.37 kristaps 725: static void
1.39 kristaps 726: pdf_obj(struct termp *p, size_t obj)
727: {
728:
729: assert(obj > 0);
730:
1.50 kristaps 731: if ((obj - 1) >= p->ps->pdfobjsz) {
732: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 733: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
734: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 735: }
736:
1.50 kristaps 737: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 738: ps_printf(p, "%zu 0 obj\n", obj);
739: }
740:
741: static void
1.37 kristaps 742: ps_closepage(struct termp *p)
743: {
744: int i;
1.38 kristaps 745: size_t len, base;
746:
747: /*
748: * Close out a page that we've already flushed to output. In
749: * PostScript, we simply note that the page must be showed. In
750: * PDF, we must now create the Length, Resource, and Page node
751: * for the page contents.
752: */
1.37 kristaps 753:
1.50 kristaps 754: assert(p->ps->psmarg && p->ps->psmarg[0]);
755: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 756:
1.38 kristaps 757: if (TERMTYPE_PS != p->type) {
1.37 kristaps 758: ps_printf(p, "ET\n");
1.38 kristaps 759:
1.50 kristaps 760: len = p->ps->pdfbytes - p->ps->pdflastpg;
761: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 762:
763: ps_printf(p, "endstream\nendobj\n");
764:
765: /* Length of content. */
1.39 kristaps 766: pdf_obj(p, base + 1);
1.38 kristaps 767: ps_printf(p, "%zu\nendobj\n", len);
768:
769: /* Resource for content. */
1.39 kristaps 770: pdf_obj(p, base + 2);
1.38 kristaps 771: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 772: ps_printf(p, "/Font <<\n");
1.59 schwarze 773: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 774: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.38 kristaps 775: ps_printf(p, ">>\n>>\n");
776:
777: /* Page node. */
1.39 kristaps 778: pdf_obj(p, base + 3);
779: ps_printf(p, "<<\n");
1.37 kristaps 780: ps_printf(p, "/Type /Page\n");
781: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 782: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
783: ps_printf(p, "/Contents %zu 0 R\n", base);
784: ps_printf(p, ">>\nendobj\n");
785: } else
786: ps_printf(p, "showpage\n");
1.37 kristaps 787:
1.50 kristaps 788: p->ps->pages++;
789: p->ps->psrow = p->ps->top;
790: assert( ! (PS_NEWPAGE & p->ps->flags));
791: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 792: }
793:
1.2 kristaps 794: static void
795: ps_end(struct termp *p)
796: {
1.38 kristaps 797: size_t i, xref, base;
1.2 kristaps 798:
1.4 kristaps 799: /*
800: * At the end of the file, do one last showpage. This is the
801: * same behaviour as groff(1) and works for multiple pages as
802: * well as just one.
803: */
804:
1.50 kristaps 805: if ( ! (PS_NEWPAGE & p->ps->flags)) {
806: assert(0 == p->ps->flags);
807: assert('\0' == p->ps->last);
1.37 kristaps 808: ps_closepage(p);
1.30 kristaps 809: }
1.16 kristaps 810:
1.37 kristaps 811: if (TERMTYPE_PS == p->type) {
812: ps_printf(p, "%%%%Trailer\n");
1.50 kristaps 813: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.37 kristaps 814: ps_printf(p, "%%%%EOF\n");
815: return;
1.59 schwarze 816: }
1.37 kristaps 817:
1.39 kristaps 818: pdf_obj(p, 2);
819: ps_printf(p, "<<\n/Type /Pages\n");
1.37 kristaps 820: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.50 kristaps 821: (size_t)AFM2PNT(p, p->ps->width),
822: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 823:
1.50 kristaps 824: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.37 kristaps 825: ps_printf(p, "/Kids [");
826:
1.50 kristaps 827: for (i = 0; i < p->ps->pages; i++)
1.59 schwarze 828: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.38 kristaps 829:
1.59 schwarze 830: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.38 kristaps 831:
832: ps_printf(p, "]\n>>\nendobj\n");
1.39 kristaps 833: pdf_obj(p, base);
1.37 kristaps 834: ps_printf(p, "<<\n");
835: ps_printf(p, "/Type /Catalog\n");
836: ps_printf(p, "/Pages 2 0 R\n");
837: ps_printf(p, ">>\n");
1.50 kristaps 838: xref = p->ps->pdfbytes;
1.37 kristaps 839: ps_printf(p, "xref\n");
1.38 kristaps 840: ps_printf(p, "0 %zu\n", base + 1);
1.39 kristaps 841: ps_printf(p, "0000000000 65535 f \n");
842:
843: for (i = 0; i < base; i++)
1.59 schwarze 844: ps_printf(p, "%.10zu 00000 n \n",
845: p->ps->pdfobjs[(int)i]);
1.39 kristaps 846:
1.37 kristaps 847: ps_printf(p, "trailer\n");
848: ps_printf(p, "<<\n");
1.38 kristaps 849: ps_printf(p, "/Size %zu\n", base + 1);
850: ps_printf(p, "/Root %zu 0 R\n", base);
1.37 kristaps 851: ps_printf(p, "/Info 1 0 R\n");
852: ps_printf(p, ">>\n");
853: ps_printf(p, "startxref\n");
854: ps_printf(p, "%zu\n", xref);
855: ps_printf(p, "%%%%EOF\n");
1.2 kristaps 856: }
857:
858: static void
859: ps_begin(struct termp *p)
860: {
1.16 kristaps 861: int i;
1.2 kristaps 862:
1.59 schwarze 863: /*
1.9 kristaps 864: * Print margins into margin buffer. Nothing gets output to the
865: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 866: */
867:
1.50 kristaps 868: if (p->ps->psmarg) {
869: assert(p->ps->psmargsz);
870: p->ps->psmarg[0] = '\0';
1.4 kristaps 871: }
872:
1.50 kristaps 873: /*p->ps->pdfbytes = 0;*/
874: p->ps->psmargcur = 0;
875: p->ps->flags = PS_MARGINS;
876: p->ps->pscol = p->ps->left;
877: p->ps->psrow = p->ps->header;
1.4 kristaps 878:
1.9 kristaps 879: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 880:
881: (*p->headf)(p, p->argf);
882: (*p->endline)(p);
883:
1.50 kristaps 884: p->ps->pscol = p->ps->left;
885: p->ps->psrow = p->ps->footer;
1.4 kristaps 886:
887: (*p->footf)(p, p->argf);
888: (*p->endline)(p);
889:
1.50 kristaps 890: p->ps->flags &= ~PS_MARGINS;
1.9 kristaps 891:
1.50 kristaps 892: assert(0 == p->ps->flags);
893: assert(p->ps->psmarg);
894: assert('\0' != p->ps->psmarg[0]);
1.9 kristaps 895:
1.59 schwarze 896: /*
1.9 kristaps 897: * Print header and initialise page state. Following this,
898: * stuff gets printed to the screen, so make sure we're sane.
899: */
1.4 kristaps 900:
1.37 kristaps 901: if (TERMTYPE_PS == p->type) {
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");
907: ps_printf(p, "%%%%DocumentMedia: "
1.59 schwarze 908: "Default %zu %zu 0 () ()\n",
909: (size_t)AFM2PNT(p, p->ps->width),
910: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 911: ps_printf(p, "%%%%DocumentNeededResources: font");
912:
913: for (i = 0; i < (int)TERMFONT__MAX; i++)
914: ps_printf(p, " %s", fonts[i].name);
915:
916: ps_printf(p, "\n%%%%EndComments\n");
917: } else {
918: ps_printf(p, "%%PDF-1.1\n");
1.39 kristaps 919: pdf_obj(p, 1);
1.37 kristaps 920: ps_printf(p, "<<\n");
921: ps_printf(p, ">>\n");
922: ps_printf(p, "endobj\n");
923:
924: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.39 kristaps 925: pdf_obj(p, (size_t)i + 3);
1.37 kristaps 926: ps_printf(p, "<<\n");
927: ps_printf(p, "/Type /Font\n");
928: ps_printf(p, "/Subtype /Type1\n");
1.55 joerg 929: ps_printf(p, "/Name /F%d\n", i);
1.37 kristaps 930: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
931: ps_printf(p, ">>\n");
932: }
933: }
1.16 kristaps 934:
1.50 kristaps 935: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
936: p->ps->pscol = p->ps->left;
937: p->ps->psrow = p->ps->top;
938: p->ps->flags |= PS_NEWPAGE;
1.33 kristaps 939: ps_setfont(p, TERMFONT_NONE);
1.2 kristaps 940: }
941:
942: static void
1.13 kristaps 943: ps_pletter(struct termp *p, int c)
1.2 kristaps 944: {
1.14 kristaps 945: int f;
1.32 kristaps 946:
1.9 kristaps 947: /*
1.32 kristaps 948: * If we haven't opened a page context, then output that we're
949: * in a new page and make sure the font is correctly set.
1.9 kristaps 950: */
951:
1.50 kristaps 952: if (PS_NEWPAGE & p->ps->flags) {
1.37 kristaps 953: if (TERMTYPE_PS == p->type) {
1.59 schwarze 954: ps_printf(p, "%%%%Page: %zu %zu\n",
955: p->ps->pages + 1, p->ps->pages + 1);
956: ps_printf(p, "/%s %zu selectfont\n",
957: fonts[(int)p->ps->lastf].name,
958: p->ps->scale);
1.37 kristaps 959: } else {
1.59 schwarze 960: pdf_obj(p, p->ps->pdfbody +
961: p->ps->pages * 4);
1.37 kristaps 962: ps_printf(p, "<<\n");
1.59 schwarze 963: ps_printf(p, "/Length %zu 0 R\n",
964: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.37 kristaps 965: ps_printf(p, ">>\nstream\n");
966: }
1.50 kristaps 967: p->ps->pdflastpg = p->ps->pdfbytes;
968: p->ps->flags &= ~PS_NEWPAGE;
1.32 kristaps 969: }
1.59 schwarze 970:
1.32 kristaps 971: /*
972: * If we're not in a PostScript "word" context, then open one
973: * now at the current cursor.
974: */
1.30 kristaps 975:
1.50 kristaps 976: if ( ! (PS_INLINE & p->ps->flags)) {
1.37 kristaps 977: if (TERMTYPE_PS != p->type) {
1.59 schwarze 978: ps_printf(p, "BT\n/F%d %zu Tf\n",
979: (int)p->ps->lastf, p->ps->scale);
1.37 kristaps 980: ps_printf(p, "%.3f %.3f Td\n(",
1.59 schwarze 981: AFM2PNT(p, p->ps->pscol),
982: AFM2PNT(p, p->ps->psrow));
1.37 kristaps 983: } else
1.59 schwarze 984: ps_printf(p, "%.3f %.3f moveto\n(",
985: AFM2PNT(p, p->ps->pscol),
986: AFM2PNT(p, p->ps->psrow));
1.50 kristaps 987: p->ps->flags |= PS_INLINE;
1.2 kristaps 988: }
989:
1.50 kristaps 990: assert( ! (PS_NEWPAGE & p->ps->flags));
1.29 kristaps 991:
1.2 kristaps 992: /*
993: * We need to escape these characters as per the PostScript
994: * specification. We would also escape non-graphable characters
995: * (like tabs), but none of them would get to this point and
996: * it's superfluous to abort() on them.
997: */
998:
999: switch (c) {
1.59 schwarze 1000: case '(':
1.2 kristaps 1001: /* FALLTHROUGH */
1.59 schwarze 1002: case ')':
1.2 kristaps 1003: /* FALLTHROUGH */
1.59 schwarze 1004: case '\\':
1.4 kristaps 1005: ps_putchar(p, '\\');
1.2 kristaps 1006: break;
1007: default:
1008: break;
1009: }
1010:
1011: /* Write the character and adjust where we are on the page. */
1.9 kristaps 1012:
1.50 kristaps 1013: f = (int)p->ps->lastf;
1.13 kristaps 1014:
1.61 schwarze 1015: if (c <= 32 || c - 32 >= MAXCHAR)
1016: c = 32;
1.13 kristaps 1017:
1.25 kristaps 1018: ps_putchar(p, (char)c);
1.14 kristaps 1019: c -= 32;
1.50 kristaps 1020: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.2 kristaps 1021: }
1022:
1023: static void
1.9 kristaps 1024: ps_pclose(struct termp *p)
1025: {
1026:
1.59 schwarze 1027: /*
1.9 kristaps 1028: * Spit out that we're exiting a word context (this is a
1029: * "partial close" because we don't check the last-char buffer
1030: * or anything).
1031: */
1032:
1.50 kristaps 1033: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1034: return;
1.59 schwarze 1035:
1.37 kristaps 1036: if (TERMTYPE_PS != p->type) {
1037: ps_printf(p, ") Tj\nET\n");
1038: } else
1039: ps_printf(p, ") show\n");
1040:
1.50 kristaps 1041: p->ps->flags &= ~PS_INLINE;
1.9 kristaps 1042: }
1043:
1044: static void
1045: ps_fclose(struct termp *p)
1046: {
1047:
1048: /*
1049: * Strong closure: if we have a last-char, spit it out after
1050: * checking that we're in the right font mode. This will of
1051: * course open a new scope, if applicable.
1052: *
1053: * Following this, close out any scope that's open.
1054: */
1055:
1.65 schwarze 1056: if (p->ps->last != '\0') {
1.67 schwarze 1057: assert( ! (p->ps->flags & PS_BACKSP));
1.65 schwarze 1058: if (p->ps->nextf != p->ps->lastf) {
1.9 kristaps 1059: ps_pclose(p);
1.65 schwarze 1060: ps_setfont(p, p->ps->nextf);
1.9 kristaps 1061: }
1.65 schwarze 1062: p->ps->nextf = TERMFONT_NONE;
1.50 kristaps 1063: ps_pletter(p, p->ps->last);
1064: p->ps->last = '\0';
1.9 kristaps 1065: }
1066:
1.50 kristaps 1067: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1068: return;
1069:
1070: ps_pclose(p);
1071: }
1072:
1073: static void
1.49 kristaps 1074: ps_letter(struct termp *p, int arg)
1.8 kristaps 1075: {
1.72 ! schwarze 1076: size_t savecol, wx;
1.65 schwarze 1077: char c;
1.49 kristaps 1078:
1079: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1080:
1081: /*
1.67 schwarze 1082: * When receiving a backspace, merely flag it.
1083: * We don't know yet whether it is
1084: * a font instruction or an overstrike.
1.9 kristaps 1085: */
1086:
1.67 schwarze 1087: if (c == '\b') {
1.65 schwarze 1088: assert(p->ps->last != '\0');
1.67 schwarze 1089: assert( ! (p->ps->flags & PS_BACKSP));
1090: p->ps->flags |= PS_BACKSP;
1091: return;
1092: }
1093:
1094: /*
1095: * Decode font instructions.
1096: */
1097:
1098: if (p->ps->flags & PS_BACKSP) {
1099: if (p->ps->last == '_') {
1.65 schwarze 1100: switch (p->ps->nextf) {
1101: case TERMFONT_BI:
1102: break;
1103: case TERMFONT_BOLD:
1104: p->ps->nextf = TERMFONT_BI;
1105: break;
1106: default:
1107: p->ps->nextf = TERMFONT_UNDER;
1108: }
1.67 schwarze 1109: p->ps->last = c;
1110: p->ps->flags &= ~PS_BACKSP;
1111: return;
1112: }
1113: if (p->ps->last == c) {
1.65 schwarze 1114: switch (p->ps->nextf) {
1115: case TERMFONT_BI:
1116: break;
1117: case TERMFONT_UNDER:
1118: p->ps->nextf = TERMFONT_BI;
1119: break;
1120: default:
1121: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1122: }
1.67 schwarze 1123: p->ps->flags &= ~PS_BACKSP;
1124: return;
1.9 kristaps 1125: }
1.67 schwarze 1126:
1127: /*
1128: * This is not a font instruction, but rather
1129: * the next character. Prepare for overstrike.
1130: */
1131:
1132: savecol = p->ps->pscol;
1133: } else
1134: savecol = SIZE_MAX;
1135:
1136: /*
1137: * We found the next character, so the font instructions
1138: * for the previous one are complete.
1139: * Use them and print it.
1140: */
1141:
1142: if (p->ps->last != '\0') {
1.65 schwarze 1143: if (p->ps->nextf != p->ps->lastf) {
1.9 kristaps 1144: ps_pclose(p);
1.65 schwarze 1145: ps_setfont(p, p->ps->nextf);
1.9 kristaps 1146: }
1.65 schwarze 1147: p->ps->nextf = TERMFONT_NONE;
1.72 ! schwarze 1148:
! 1149: /*
! 1150: * For an overstrike, if a previous character
! 1151: * was wider, advance to center the new one.
! 1152: */
! 1153:
! 1154: if (p->ps->pscolnext) {
! 1155: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
! 1156: if (p->ps->pscol + wx < p->ps->pscolnext)
! 1157: p->ps->pscol = (p->ps->pscol +
! 1158: p->ps->pscolnext - wx) / 2;
! 1159: }
! 1160:
1.65 schwarze 1161: ps_pletter(p, p->ps->last);
1.72 ! schwarze 1162:
! 1163: /*
! 1164: * For an overstrike, if a previous character
! 1165: * was wider, advance to the end of the old one.
! 1166: */
! 1167:
! 1168: if (p->ps->pscol < p->ps->pscolnext) {
! 1169: ps_pclose(p);
! 1170: p->ps->pscol = p->ps->pscolnext;
! 1171: }
1.8 kristaps 1172: }
1.67 schwarze 1173:
1174: /*
1175: * Do not print the current character yet because font
1176: * instructions might follow; only remember it.
1177: * For the first character, nothing else is done.
1178: * The final character will get printed from ps_fclose().
1179: */
1180:
1.65 schwarze 1181: p->ps->last = c;
1.67 schwarze 1182:
1183: /*
1184: * For an overstrike, back up to the previous position.
1.72 ! schwarze 1185: * If the previous character is wider than any it overstrikes,
! 1186: * remember the current position, because it might also be
! 1187: * wider than all that will overstrike it.
1.67 schwarze 1188: */
1189:
1190: if (savecol != SIZE_MAX) {
1.72 ! schwarze 1191: if (p->ps->pscolnext < p->ps->pscol)
! 1192: p->ps->pscolnext = p->ps->pscol;
1.67 schwarze 1193: ps_pclose(p);
1194: p->ps->pscol = savecol;
1195: p->ps->flags &= ~PS_BACKSP;
1.72 ! schwarze 1196: } else
! 1197: p->ps->pscolnext = 0;
1.8 kristaps 1198: }
1199:
1200: static void
1.2 kristaps 1201: ps_advance(struct termp *p, size_t len)
1202: {
1203:
1.9 kristaps 1204: /*
1205: * Advance some spaces. This can probably be made smarter,
1206: * i.e., to have multiple space-separated words in the same
1207: * scope, but this is easier: just close out the current scope
1208: * and readjust our column settings.
1209: */
1.8 kristaps 1210:
1.9 kristaps 1211: ps_fclose(p);
1.50 kristaps 1212: p->ps->pscol += len;
1.2 kristaps 1213: }
1214:
1215: static void
1216: ps_endline(struct termp *p)
1217: {
1.8 kristaps 1218:
1.9 kristaps 1219: /* Close out any scopes we have open: we're at eoln. */
1220:
1221: ps_fclose(p);
1.2 kristaps 1222:
1.9 kristaps 1223: /*
1224: * If we're in the margin, don't try to recalculate our current
1225: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1226: * lines, we'll do nasty stuff.
1.9 kristaps 1227: */
1.2 kristaps 1228:
1.50 kristaps 1229: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1230: return;
1231:
1232: /* Left-justify. */
1233:
1.50 kristaps 1234: p->ps->pscol = p->ps->left;
1.29 kristaps 1235:
1236: /* If we haven't printed anything, return. */
1237:
1.50 kristaps 1238: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1239: return;
1240:
1.9 kristaps 1241: /*
1242: * Put us down a line. If we're at the page bottom, spit out a
1243: * showpage and restart our row.
1244: */
1245:
1.59 schwarze 1246: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1247: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1248: return;
1249: }
1250:
1.37 kristaps 1251: ps_closepage(p);
1.1 kristaps 1252: }
1.9 kristaps 1253:
1254: static void
1255: ps_setfont(struct termp *p, enum termfont f)
1256: {
1257:
1.16 kristaps 1258: assert(f < TERMFONT__MAX);
1.50 kristaps 1259: p->ps->lastf = f;
1.59 schwarze 1260:
1.32 kristaps 1261: /*
1262: * If we're still at the top of the page, let the font-setting
1263: * be delayed until we actually have stuff to print.
1264: */
1265:
1.50 kristaps 1266: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1267: return;
1268:
1.37 kristaps 1269: if (TERMTYPE_PS == p->type)
1.59 schwarze 1270: ps_printf(p, "/%s %zu selectfont\n",
1271: fonts[(int)f].name, p->ps->scale);
1.37 kristaps 1272: else
1.59 schwarze 1273: ps_printf(p, "/F%d %zu Tf\n",
1274: (int)f, p->ps->scale);
1.9 kristaps 1275: }
1276:
1.11 kristaps 1277: static size_t
1.49 kristaps 1278: ps_width(const struct termp *p, int c)
1.11 kristaps 1279: {
1280:
1.14 kristaps 1281: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1282: c = 0;
1283: else
1284: c -= 32;
1.14 kristaps 1285:
1.49 kristaps 1286: return((size_t)fonts[(int)TERMFONT_NONE].gly[c].wx);
1.11 kristaps 1287: }
1.19 kristaps 1288:
1.20 kristaps 1289: static double
1.19 kristaps 1290: ps_hspan(const struct termp *p, const struct roffsu *su)
1291: {
1292: double r;
1.59 schwarze 1293:
1.19 kristaps 1294: /*
1295: * All of these measurements are derived by converting from the
1.21 kristaps 1296: * native measurement to AFM units.
1.19 kristaps 1297: */
1298: switch (su->unit) {
1.64 kristaps 1299: case SCALE_BU:
1300: /*
1301: * Traditionally, the default unit is fixed to the
1302: * output media. So this would refer to the point. In
1303: * mandoc(1), however, we stick to the default terminal
1304: * scaling unit so that output is the same regardless
1305: * the media.
1306: */
1307: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1308: break;
1.59 schwarze 1309: case SCALE_CM:
1.64 kristaps 1310: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1311: break;
1312: case SCALE_EM:
1313: r = su->scale *
1314: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1315: break;
1316: case SCALE_EN:
1317: r = su->scale *
1318: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1319: break;
1.59 schwarze 1320: case SCALE_IN:
1.62 schwarze 1321: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1322: break;
1.64 kristaps 1323: case SCALE_MM:
1324: r = su->scale *
1325: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1326: break;
1.59 schwarze 1327: case SCALE_PC:
1.62 schwarze 1328: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1329: break;
1.59 schwarze 1330: case SCALE_PT:
1.64 kristaps 1331: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1332: break;
1.59 schwarze 1333: case SCALE_VS:
1.50 kristaps 1334: r = su->scale * p->ps->lineheight;
1.19 kristaps 1335: break;
1336: default:
1337: r = su->scale;
1338: break;
1339: }
1340:
1.20 kristaps 1341: return(r);
1.50 kristaps 1342: }
1343:
1344: static void
1345: ps_growbuf(struct termp *p, size_t sz)
1346: {
1347: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1348: return;
1349:
1350: if (sz < PS_BUFSLOP)
1351: sz = PS_BUFSLOP;
1352:
1353: p->ps->psmargsz += sz;
1.60 schwarze 1354: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1355: }
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