Annotation of mandoc/term_ps.c, Revision 1.90
1.90 ! schwarze 1: /* $Id: term_ps.c,v 1.89 2017/10/29 19:25:31 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>
1.90 ! schwarze 5: * Copyright (c) 2017 Marc Espie <espie@openbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
10: *
1.73 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.73 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include "config.h"
20:
1.43 kristaps 21: #include <sys/types.h>
1.4 kristaps 22:
1.2 kristaps 23: #include <assert.h>
1.79 schwarze 24: #if HAVE_ERR
1.76 schwarze 25: #include <err.h>
1.79 schwarze 26: #endif
1.4 kristaps 27: #include <stdarg.h>
1.17 kristaps 28: #include <stdint.h>
1.2 kristaps 29: #include <stdio.h>
1.1 kristaps 30: #include <stdlib.h>
1.4 kristaps 31: #include <string.h>
1.26 kristaps 32: #include <unistd.h>
1.1 kristaps 33:
1.56 schwarze 34: #include "mandoc_aux.h"
1.1 kristaps 35: #include "out.h"
1.70 schwarze 36: #include "term.h"
1.73 schwarze 37: #include "manconf.h"
1.1 kristaps 38: #include "main.h"
39:
1.50 kristaps 40: /* These work the buffer used by the header and footer. */
41: #define PS_BUFSLOP 128
42:
1.21 kristaps 43: /* Convert PostScript point "x" to an AFM unit. */
1.59 schwarze 44: #define PNT2AFM(p, x) \
1.50 kristaps 45: (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 46:
47: /* Convert an AFM unit "x" to a PostScript points */
1.59 schwarze 48: #define AFM2PNT(p, x) \
1.50 kristaps 49: ((double)(x) / (1000.0 / (double)(p)->ps->scale))
1.21 kristaps 50:
1.13 kristaps 51: struct glyph {
1.36 kristaps 52: unsigned short wx; /* WX in AFM */
1.13 kristaps 53: };
54:
55: struct font {
56: const char *name; /* FontName in AFM */
1.15 kristaps 57: #define MAXCHAR 95 /* total characters we can handle */
1.13 kristaps 58: struct glyph gly[MAXCHAR]; /* glyph metrics */
59: };
60:
1.50 kristaps 61: struct termp_ps {
62: int flags;
63: #define PS_INLINE (1 << 0) /* we're in a word */
64: #define PS_MARGINS (1 << 1) /* we're in the margins */
65: #define PS_NEWPAGE (1 << 2) /* new page, no words yet */
1.67 schwarze 66: #define PS_BACKSP (1 << 3) /* last character was backspace */
1.50 kristaps 67: size_t pscol; /* visible column (AFM units) */
1.72 schwarze 68: size_t pscolnext; /* used for overstrike */
1.50 kristaps 69: size_t psrow; /* visible row (AFM units) */
1.90 ! schwarze 70: size_t lastrow; /* psrow of the previous word */
1.50 kristaps 71: char *psmarg; /* margin buf */
72: size_t psmargsz; /* margin buf size */
73: size_t psmargcur; /* cur index in margin buf */
1.67 schwarze 74: char last; /* last non-backspace seen */
1.50 kristaps 75: enum termfont lastf; /* last set font */
1.65 schwarze 76: enum termfont nextf; /* building next font here */
1.50 kristaps 77: size_t scale; /* font scaling factor */
78: size_t pages; /* number of pages shown */
79: size_t lineheight; /* line height (AFM units) */
80: size_t top; /* body top (AFM units) */
81: size_t bottom; /* body bottom (AFM units) */
1.89 schwarze 82: const char *medianame; /* for DocumentMedia and PageSize */
1.50 kristaps 83: size_t height; /* page height (AFM units */
84: size_t width; /* page width (AFM units) */
1.57 schwarze 85: size_t lastwidth; /* page width before last ll */
1.50 kristaps 86: size_t left; /* body left (AFM units) */
87: size_t header; /* header pos (AFM units) */
88: size_t footer; /* footer pos (AFM units) */
1.59 schwarze 89: size_t pdfbytes; /* current output byte */
1.50 kristaps 90: size_t pdflastpg; /* byte of last page mark */
91: size_t pdfbody; /* start of body object */
92: size_t *pdfobjs; /* table of object offsets */
93: size_t pdfobjsz; /* size of pdfobjs */
94: };
95:
1.74 schwarze 96: static int ps_hspan(const struct termp *,
1.50 kristaps 97: const struct roffsu *);
98: static size_t ps_width(const struct termp *, int);
99: static void ps_advance(struct termp *, size_t);
100: static void ps_begin(struct termp *);
101: static void ps_closepage(struct termp *);
102: static void ps_end(struct termp *);
103: static void ps_endline(struct termp *);
104: static void ps_growbuf(struct termp *, size_t);
105: static void ps_letter(struct termp *, int);
106: static void ps_pclose(struct termp *);
1.82 schwarze 107: static void ps_plast(struct termp *);
1.50 kristaps 108: static void ps_pletter(struct termp *, int);
1.81 schwarze 109: static void ps_printf(struct termp *, const char *, ...)
1.83 schwarze 110: __attribute__((__format__ (__printf__, 2, 3)));
1.50 kristaps 111: static void ps_putchar(struct termp *, char);
112: static void ps_setfont(struct termp *, enum termfont);
1.74 schwarze 113: static void ps_setwidth(struct termp *, int, int);
1.78 schwarze 114: static struct termp *pspdf_alloc(const struct manoutput *);
1.50 kristaps 115: static void pdf_obj(struct termp *, size_t);
116:
1.13 kristaps 117: /*
118: * We define, for the time being, three fonts: bold, oblique/italic, and
119: * normal (roman). The following table hard-codes the font metrics for
120: * ASCII, i.e., 32--127.
121: */
122:
1.16 kristaps 123: static const struct font fonts[TERMFONT__MAX] = {
1.24 kristaps 124: { "Times-Roman", {
125: { 250 },
126: { 333 },
127: { 408 },
128: { 500 },
129: { 500 },
130: { 833 },
131: { 778 },
132: { 333 },
133: { 333 },
134: { 333 },
135: { 500 },
136: { 564 },
137: { 250 },
138: { 333 },
139: { 250 },
140: { 278 },
141: { 500 },
142: { 500 },
143: { 500 },
144: { 500 },
145: { 500 },
146: { 500 },
147: { 500 },
148: { 500 },
149: { 500 },
150: { 500 },
151: { 278 },
152: { 278 },
153: { 564 },
154: { 564 },
155: { 564 },
156: { 444 },
157: { 921 },
158: { 722 },
159: { 667 },
160: { 667 },
161: { 722 },
162: { 611 },
163: { 556 },
164: { 722 },
165: { 722 },
166: { 333 },
167: { 389 },
168: { 722 },
169: { 611 },
170: { 889 },
171: { 722 },
172: { 722 },
173: { 556 },
174: { 722 },
175: { 667 },
176: { 556 },
177: { 611 },
178: { 722 },
179: { 722 },
180: { 944 },
181: { 722 },
182: { 722 },
183: { 611 },
184: { 333 },
185: { 278 },
186: { 333 },
187: { 469 },
188: { 500 },
189: { 333 },
190: { 444 },
191: { 500 },
192: { 444 },
193: { 500},
194: { 444},
195: { 333},
196: { 500},
197: { 500},
198: { 278},
199: { 278},
200: { 500},
201: { 278},
202: { 778},
203: { 500},
204: { 500},
205: { 500},
206: { 500},
207: { 333},
208: { 389},
209: { 278},
210: { 500},
211: { 500},
212: { 722},
213: { 500},
214: { 500},
215: { 444},
216: { 480},
217: { 200},
218: { 480},
219: { 541},
220: } },
221: { "Times-Bold", {
222: { 250 },
223: { 333 },
224: { 555 },
225: { 500 },
226: { 500 },
227: { 1000 },
228: { 833 },
229: { 333 },
230: { 333 },
231: { 333 },
232: { 500 },
233: { 570 },
234: { 250 },
235: { 333 },
236: { 250 },
237: { 278 },
238: { 500 },
239: { 500 },
240: { 500 },
241: { 500 },
242: { 500 },
243: { 500 },
244: { 500 },
245: { 500 },
246: { 500 },
247: { 500 },
248: { 333 },
249: { 333 },
250: { 570 },
251: { 570 },
252: { 570 },
253: { 500 },
254: { 930 },
255: { 722 },
256: { 667 },
257: { 722 },
258: { 722 },
259: { 667 },
260: { 611 },
261: { 778 },
262: { 778 },
263: { 389 },
264: { 500 },
265: { 778 },
266: { 667 },
267: { 944 },
268: { 722 },
269: { 778 },
270: { 611 },
271: { 778 },
272: { 722 },
273: { 556 },
274: { 667 },
275: { 722 },
276: { 722 },
277: { 1000 },
278: { 722 },
279: { 722 },
280: { 667 },
281: { 333 },
282: { 278 },
283: { 333 },
284: { 581 },
285: { 500 },
286: { 333 },
287: { 500 },
288: { 556 },
289: { 444 },
1.22 kristaps 290: { 556 },
1.24 kristaps 291: { 444 },
292: { 333 },
1.22 kristaps 293: { 500 },
1.24 kristaps 294: { 556 },
1.22 kristaps 295: { 278 },
1.24 kristaps 296: { 333 },
297: { 556 },
1.22 kristaps 298: { 278 },
1.24 kristaps 299: { 833 },
1.22 kristaps 300: { 556 },
1.24 kristaps 301: { 500 },
1.22 kristaps 302: { 556 },
303: { 556 },
304: { 444 },
1.24 kristaps 305: { 389 },
306: { 333 },
1.22 kristaps 307: { 556 },
308: { 500 },
1.24 kristaps 309: { 722 },
310: { 500 },
1.22 kristaps 311: { 500 },
1.24 kristaps 312: { 444 },
313: { 394 },
314: { 220 },
315: { 394 },
316: { 520 },
1.13 kristaps 317: } },
1.24 kristaps 318: { "Times-Italic", {
319: { 250 },
320: { 333 },
321: { 420 },
322: { 500 },
323: { 500 },
324: { 833 },
325: { 778 },
326: { 333 },
327: { 333 },
328: { 333 },
329: { 500 },
330: { 675 },
331: { 250 },
332: { 333 },
333: { 250 },
334: { 278 },
335: { 500 },
336: { 500 },
337: { 500 },
338: { 500 },
339: { 500 },
340: { 500 },
341: { 500 },
342: { 500 },
343: { 500 },
344: { 500 },
345: { 333 },
346: { 333 },
347: { 675 },
348: { 675 },
349: { 675 },
350: { 500 },
351: { 920 },
352: { 611 },
353: { 611 },
354: { 667 },
355: { 722 },
356: { 611 },
357: { 611 },
358: { 722 },
359: { 722 },
360: { 333 },
361: { 444 },
362: { 667 },
363: { 556 },
364: { 833 },
365: { 667 },
366: { 722 },
367: { 611 },
368: { 722 },
369: { 611 },
370: { 500 },
371: { 556 },
372: { 722 },
373: { 611 },
374: { 833 },
375: { 611 },
376: { 556 },
377: { 556 },
378: { 389 },
379: { 278 },
380: { 389 },
381: { 422 },
382: { 500 },
383: { 333 },
384: { 500 },
385: { 500 },
386: { 444 },
1.22 kristaps 387: { 500 },
1.24 kristaps 388: { 444 },
389: { 278 },
1.22 kristaps 390: { 500 },
391: { 500 },
392: { 278 },
1.24 kristaps 393: { 278 },
394: { 444 },
395: { 278 },
396: { 722 },
397: { 500 },
398: { 500 },
399: { 500 },
1.22 kristaps 400: { 500 },
1.24 kristaps 401: { 389 },
402: { 389 },
1.22 kristaps 403: { 278 },
404: { 500 },
1.24 kristaps 405: { 444 },
406: { 667 },
407: { 444 },
408: { 444 },
409: { 389 },
410: { 400 },
1.22 kristaps 411: { 275 },
1.24 kristaps 412: { 400 },
413: { 541 },
1.13 kristaps 414: } },
1.65 schwarze 415: { "Times-BoldItalic", {
416: { 250 },
417: { 389 },
418: { 555 },
419: { 500 },
420: { 500 },
421: { 833 },
422: { 778 },
423: { 333 },
424: { 333 },
425: { 333 },
426: { 500 },
427: { 570 },
428: { 250 },
429: { 333 },
430: { 250 },
431: { 278 },
432: { 500 },
433: { 500 },
434: { 500 },
435: { 500 },
436: { 500 },
437: { 500 },
438: { 500 },
439: { 500 },
440: { 500 },
441: { 500 },
442: { 333 },
443: { 333 },
444: { 570 },
445: { 570 },
446: { 570 },
447: { 500 },
448: { 832 },
449: { 667 },
450: { 667 },
451: { 667 },
452: { 722 },
453: { 667 },
454: { 667 },
455: { 722 },
456: { 778 },
457: { 389 },
458: { 500 },
459: { 667 },
460: { 611 },
461: { 889 },
462: { 722 },
463: { 722 },
464: { 611 },
465: { 722 },
466: { 667 },
467: { 556 },
468: { 611 },
469: { 722 },
470: { 667 },
471: { 889 },
472: { 667 },
473: { 611 },
474: { 611 },
475: { 333 },
476: { 278 },
477: { 333 },
478: { 570 },
479: { 500 },
480: { 333 },
481: { 500 },
482: { 500 },
483: { 444 },
484: { 500 },
485: { 444 },
486: { 333 },
487: { 500 },
488: { 556 },
489: { 278 },
490: { 278 },
491: { 500 },
492: { 278 },
493: { 778 },
494: { 556 },
495: { 500 },
496: { 500 },
497: { 500 },
498: { 389 },
499: { 389 },
500: { 278 },
501: { 556 },
502: { 444 },
503: { 667 },
504: { 500 },
505: { 444 },
506: { 389 },
507: { 348 },
508: { 220 },
509: { 348 },
510: { 570 },
511: } },
1.13 kristaps 512: };
513:
1.37 kristaps 514: void *
1.78 schwarze 515: pdf_alloc(const struct manoutput *outopts)
1.37 kristaps 516: {
517: struct termp *p;
518:
1.78 schwarze 519: if (NULL != (p = pspdf_alloc(outopts)))
1.38 kristaps 520: p->type = TERMTYPE_PDF;
1.37 kristaps 521:
1.75 schwarze 522: return p;
1.37 kristaps 523: }
1.2 kristaps 524:
1.1 kristaps 525: void *
1.78 schwarze 526: ps_alloc(const struct manoutput *outopts)
1.1 kristaps 527: {
528: struct termp *p;
1.37 kristaps 529:
1.78 schwarze 530: if (NULL != (p = pspdf_alloc(outopts)))
1.38 kristaps 531: p->type = TERMTYPE_PS;
1.37 kristaps 532:
1.75 schwarze 533: return p;
1.37 kristaps 534: }
535:
536: static struct termp *
1.78 schwarze 537: pspdf_alloc(const struct manoutput *outopts)
1.37 kristaps 538: {
539: struct termp *p;
1.52 kristaps 540: unsigned int pagex, pagey;
541: size_t marginx, marginy, lineheight;
1.25 kristaps 542: const char *pp;
1.1 kristaps 543:
1.85 schwarze 544: p = mandoc_calloc(1, sizeof(*p));
545: p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
546: p->maxtcol = 1;
547:
1.51 kristaps 548: p->enc = TERMENC_ASCII;
1.71 schwarze 549: p->fontq = mandoc_reallocarray(NULL,
1.85 schwarze 550: (p->fontsz = 8), sizeof(*p->fontq));
1.71 schwarze 551: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.85 schwarze 552: p->ps = mandoc_calloc(1, sizeof(*p->ps));
1.1 kristaps 553:
1.19 kristaps 554: p->advance = ps_advance;
1.2 kristaps 555: p->begin = ps_begin;
556: p->end = ps_end;
557: p->endline = ps_endline;
1.19 kristaps 558: p->hspan = ps_hspan;
559: p->letter = ps_letter;
1.57 schwarze 560: p->setwidth = ps_setwidth;
1.11 kristaps 561: p->width = ps_width;
1.59 schwarze 562:
1.25 kristaps 563: /* Default to US letter (millimetres). */
564:
1.89 schwarze 565: p->ps->medianame = "Letter";
1.31 kristaps 566: pagex = 216;
567: pagey = 279;
1.25 kristaps 568:
569: /*
570: * The ISO-269 paper sizes can be calculated automatically, but
571: * it would require bringing in -lm for pow() and I'd rather not
572: * do that. So just do it the easy way for now. Since this
573: * only happens once, I'm not terribly concerned.
574: */
575:
1.73 schwarze 576: pp = outopts->paper;
1.89 schwarze 577: if (pp != NULL && strcasecmp(pp, "letter") != 0) {
578: if (strcasecmp(pp, "a3") == 0) {
579: p->ps->medianame = "A3";
1.25 kristaps 580: pagex = 297;
581: pagey = 420;
1.89 schwarze 582: } else if (strcasecmp(pp, "a4") == 0) {
583: p->ps->medianame = "A4";
1.25 kristaps 584: pagex = 210;
585: pagey = 297;
1.89 schwarze 586: } else if (strcasecmp(pp, "a5") == 0) {
587: p->ps->medianame = "A5";
1.25 kristaps 588: pagex = 148;
589: pagey = 210;
1.89 schwarze 590: } else if (strcasecmp(pp, "legal") == 0) {
591: p->ps->medianame = "Legal";
1.25 kristaps 592: pagex = 216;
593: pagey = 356;
1.89 schwarze 594: } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
595: p->ps->medianame = "CustomSize";
596: else
1.76 schwarze 597: warnx("%s: Unknown paper", pp);
1.54 schwarze 598: }
1.27 kristaps 599:
1.59 schwarze 600: /*
1.27 kristaps 601: * This MUST be defined before any PNT2AFM or AFM2PNT
602: * calculations occur.
603: */
604:
1.50 kristaps 605: p->ps->scale = 11;
1.27 kristaps 606:
1.25 kristaps 607: /* Remember millimetres -> AFM units. */
608:
1.88 schwarze 609: pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
610: pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
1.25 kristaps 611:
1.28 kristaps 612: /* Margins are 1/9 the page x and y. */
1.27 kristaps 613:
1.59 schwarze 614: marginx = (size_t)((double)pagex / 9.0);
615: marginy = (size_t)((double)pagey / 9.0);
1.27 kristaps 616:
1.31 kristaps 617: /* Line-height is 1.4em. */
618:
1.50 kristaps 619: lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
1.16 kristaps 620:
1.57 schwarze 621: p->ps->width = p->ps->lastwidth = (size_t)pagex;
1.52 kristaps 622: p->ps->height = (size_t)pagey;
1.50 kristaps 623: p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
624: p->ps->top = pagey - marginy;
625: p->ps->footer = (marginy / 2) - (lineheight / 2);
626: p->ps->bottom = marginy;
627: p->ps->left = marginx;
628: p->ps->lineheight = lineheight;
1.16 kristaps 629:
1.28 kristaps 630: p->defrmargin = pagex - (marginx * 2);
1.75 schwarze 631: return p;
1.57 schwarze 632: }
633:
634: static void
1.74 schwarze 635: ps_setwidth(struct termp *p, int iop, int width)
1.57 schwarze 636: {
637: size_t lastwidth;
638:
639: lastwidth = p->ps->width;
1.69 schwarze 640: if (iop > 0)
1.58 schwarze 641: p->ps->width += width;
1.69 schwarze 642: else if (iop == 0)
1.74 schwarze 643: p->ps->width = width ? (size_t)width : p->ps->lastwidth;
644: else if (p->ps->width > (size_t)width)
1.58 schwarze 645: p->ps->width -= width;
646: else
1.69 schwarze 647: p->ps->width = 0;
1.57 schwarze 648: p->ps->lastwidth = lastwidth;
1.1 kristaps 649: }
650:
651: void
1.37 kristaps 652: pspdf_free(void *arg)
1.1 kristaps 653: {
1.4 kristaps 654: struct termp *p;
655:
656: p = (struct termp *)arg;
657:
1.80 schwarze 658: free(p->ps->psmarg);
659: free(p->ps->pdfobjs);
1.4 kristaps 660:
1.50 kristaps 661: free(p->ps);
1.4 kristaps 662: term_free(p);
663: }
664:
665: static void
666: ps_printf(struct termp *p, const char *fmt, ...)
667: {
668: va_list ap;
1.37 kristaps 669: int pos, len;
1.4 kristaps 670:
671: va_start(ap, fmt);
672:
673: /*
674: * If we're running in regular mode, then pipe directly into
675: * vprintf(). If we're processing margins, then push the data
676: * into our growable margin buffer.
677: */
1.1 kristaps 678:
1.50 kristaps 679: if ( ! (PS_MARGINS & p->ps->flags)) {
1.37 kristaps 680: len = vprintf(fmt, ap);
1.4 kristaps 681: va_end(ap);
1.59 schwarze 682: p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
1.4 kristaps 683: return;
684: }
685:
1.59 schwarze 686: /*
1.4 kristaps 687: * XXX: I assume that the in-margin print won't exceed
688: * PS_BUFSLOP (128 bytes), which is reasonable but still an
689: * assumption that will cause pukeage if it's not the case.
690: */
691:
1.40 joerg 692: ps_growbuf(p, PS_BUFSLOP);
1.4 kristaps 693:
1.50 kristaps 694: pos = (int)p->ps->psmargcur;
1.54 schwarze 695: vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
1.5 kristaps 696:
697: va_end(ap);
1.37 kristaps 698:
1.50 kristaps 699: p->ps->psmargcur = strlen(p->ps->psmarg);
1.4 kristaps 700: }
701:
702: static void
703: ps_putchar(struct termp *p, char c)
704: {
705: int pos;
706:
707: /* See ps_printf(). */
708:
1.50 kristaps 709: if ( ! (PS_MARGINS & p->ps->flags)) {
1.4 kristaps 710: putchar(c);
1.50 kristaps 711: p->ps->pdfbytes++;
1.4 kristaps 712: return;
713: }
714:
1.40 joerg 715: ps_growbuf(p, 2);
1.4 kristaps 716:
1.50 kristaps 717: pos = (int)p->ps->psmargcur++;
718: p->ps->psmarg[pos++] = c;
719: p->ps->psmarg[pos] = '\0';
1.2 kristaps 720: }
721:
1.37 kristaps 722: static void
1.39 kristaps 723: pdf_obj(struct termp *p, size_t obj)
724: {
725:
726: assert(obj > 0);
727:
1.50 kristaps 728: if ((obj - 1) >= p->ps->pdfobjsz) {
729: p->ps->pdfobjsz = obj + 128;
1.60 schwarze 730: p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
731: p->ps->pdfobjsz, sizeof(size_t));
1.39 kristaps 732: }
733:
1.50 kristaps 734: p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
1.39 kristaps 735: ps_printf(p, "%zu 0 obj\n", obj);
736: }
737:
738: static void
1.37 kristaps 739: ps_closepage(struct termp *p)
740: {
741: int i;
1.38 kristaps 742: size_t len, base;
743:
744: /*
745: * Close out a page that we've already flushed to output. In
1.90 ! schwarze 746: * PostScript, we simply note that the page must be shown. In
1.38 kristaps 747: * PDF, we must now create the Length, Resource, and Page node
748: * for the page contents.
749: */
1.37 kristaps 750:
1.50 kristaps 751: assert(p->ps->psmarg && p->ps->psmarg[0]);
752: ps_printf(p, "%s", p->ps->psmarg);
1.37 kristaps 753:
1.38 kristaps 754: if (TERMTYPE_PS != p->type) {
1.50 kristaps 755: len = p->ps->pdfbytes - p->ps->pdflastpg;
756: base = p->ps->pages * 4 + p->ps->pdfbody;
1.38 kristaps 757:
758: ps_printf(p, "endstream\nendobj\n");
759:
760: /* Length of content. */
1.39 kristaps 761: pdf_obj(p, base + 1);
1.38 kristaps 762: ps_printf(p, "%zu\nendobj\n", len);
763:
764: /* Resource for content. */
1.39 kristaps 765: pdf_obj(p, base + 2);
1.38 kristaps 766: ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
1.37 kristaps 767: ps_printf(p, "/Font <<\n");
1.59 schwarze 768: for (i = 0; i < (int)TERMFONT__MAX; i++)
1.37 kristaps 769: ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
1.86 schwarze 770: ps_printf(p, ">>\n>>\nendobj\n");
1.38 kristaps 771:
772: /* Page node. */
1.39 kristaps 773: pdf_obj(p, base + 3);
774: ps_printf(p, "<<\n");
1.37 kristaps 775: ps_printf(p, "/Type /Page\n");
776: ps_printf(p, "/Parent 2 0 R\n");
1.38 kristaps 777: ps_printf(p, "/Resources %zu 0 R\n", base + 2);
778: ps_printf(p, "/Contents %zu 0 R\n", base);
779: ps_printf(p, ">>\nendobj\n");
780: } else
781: ps_printf(p, "showpage\n");
1.37 kristaps 782:
1.50 kristaps 783: p->ps->pages++;
784: p->ps->psrow = p->ps->top;
785: assert( ! (PS_NEWPAGE & p->ps->flags));
786: p->ps->flags |= PS_NEWPAGE;
1.37 kristaps 787: }
788:
1.2 kristaps 789: static void
790: ps_end(struct termp *p)
791: {
1.38 kristaps 792: size_t i, xref, base;
1.2 kristaps 793:
1.82 schwarze 794: ps_plast(p);
795: ps_pclose(p);
796:
1.4 kristaps 797: /*
798: * At the end of the file, do one last showpage. This is the
799: * same behaviour as groff(1) and works for multiple pages as
800: * well as just one.
801: */
802:
1.50 kristaps 803: if ( ! (PS_NEWPAGE & p->ps->flags)) {
804: assert(0 == p->ps->flags);
805: assert('\0' == p->ps->last);
1.37 kristaps 806: ps_closepage(p);
1.30 kristaps 807: }
1.16 kristaps 808:
1.37 kristaps 809: if (TERMTYPE_PS == p->type) {
810: ps_printf(p, "%%%%Trailer\n");
1.50 kristaps 811: ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
1.37 kristaps 812: ps_printf(p, "%%%%EOF\n");
813: return;
1.59 schwarze 814: }
1.37 kristaps 815:
1.39 kristaps 816: pdf_obj(p, 2);
817: ps_printf(p, "<<\n/Type /Pages\n");
1.37 kristaps 818: ps_printf(p, "/MediaBox [0 0 %zu %zu]\n",
1.50 kristaps 819: (size_t)AFM2PNT(p, p->ps->width),
820: (size_t)AFM2PNT(p, p->ps->height));
1.37 kristaps 821:
1.50 kristaps 822: ps_printf(p, "/Count %zu\n", p->ps->pages);
1.37 kristaps 823: ps_printf(p, "/Kids [");
824:
1.50 kristaps 825: for (i = 0; i < p->ps->pages; i++)
1.59 schwarze 826: ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
1.38 kristaps 827:
1.59 schwarze 828: base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
1.38 kristaps 829:
830: ps_printf(p, "]\n>>\nendobj\n");
1.39 kristaps 831: pdf_obj(p, base);
1.37 kristaps 832: ps_printf(p, "<<\n");
833: ps_printf(p, "/Type /Catalog\n");
834: ps_printf(p, "/Pages 2 0 R\n");
1.86 schwarze 835: ps_printf(p, ">>\nendobj\n");
1.50 kristaps 836: xref = p->ps->pdfbytes;
1.37 kristaps 837: ps_printf(p, "xref\n");
1.38 kristaps 838: ps_printf(p, "0 %zu\n", base + 1);
1.39 kristaps 839: ps_printf(p, "0000000000 65535 f \n");
840:
841: for (i = 0; i < base; i++)
1.59 schwarze 842: ps_printf(p, "%.10zu 00000 n \n",
843: p->ps->pdfobjs[(int)i]);
1.39 kristaps 844:
1.37 kristaps 845: ps_printf(p, "trailer\n");
846: ps_printf(p, "<<\n");
1.38 kristaps 847: ps_printf(p, "/Size %zu\n", base + 1);
848: ps_printf(p, "/Root %zu 0 R\n", base);
1.37 kristaps 849: ps_printf(p, "/Info 1 0 R\n");
850: ps_printf(p, ">>\n");
851: ps_printf(p, "startxref\n");
852: ps_printf(p, "%zu\n", xref);
853: ps_printf(p, "%%%%EOF\n");
1.2 kristaps 854: }
855:
856: static void
857: ps_begin(struct termp *p)
858: {
1.89 schwarze 859: size_t width, height;
1.16 kristaps 860: int i;
1.2 kristaps 861:
1.59 schwarze 862: /*
1.9 kristaps 863: * Print margins into margin buffer. Nothing gets output to the
864: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 865: */
866:
1.50 kristaps 867: if (p->ps->psmarg) {
868: assert(p->ps->psmargsz);
869: p->ps->psmarg[0] = '\0';
1.4 kristaps 870: }
871:
1.50 kristaps 872: /*p->ps->pdfbytes = 0;*/
873: p->ps->psmargcur = 0;
874: p->ps->flags = PS_MARGINS;
875: p->ps->pscol = p->ps->left;
876: p->ps->psrow = p->ps->header;
1.90 ! schwarze 877: p->ps->lastrow = 0; /* impossible row */
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) {
1.89 schwarze 902: width = AFM2PNT(p, p->ps->width);
903: height = AFM2PNT(p, p->ps->height);
904:
1.37 kristaps 905: ps_printf(p, "%%!PS-Adobe-3.0\n");
906: ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
907: ps_printf(p, "%%%%Orientation: Portrait\n");
908: ps_printf(p, "%%%%Pages: (atend)\n");
909: ps_printf(p, "%%%%PageOrder: Ascend\n");
1.89 schwarze 910: ps_printf(p, "%%%%DocumentMedia: man-%s %zu %zu 0 () ()\n",
911: p->ps->medianame, width, height);
1.37 kristaps 912: ps_printf(p, "%%%%DocumentNeededResources: font");
913:
914: for (i = 0; i < (int)TERMFONT__MAX; i++)
915: ps_printf(p, " %s", fonts[i].name);
916:
1.90 ! schwarze 917: ps_printf(p, "\n%%%%DocumentSuppliedResources: "
! 918: "procset MandocProcs 1.0 0\n");
! 919: ps_printf(p, "%%%%EndComments\n");
! 920: ps_printf(p, "%%%%BeginProlog\n");
! 921: ps_printf(p, "%%%%BeginResource: procset MandocProcs "
! 922: "10170 10170\n");
! 923: /* The font size is effectively hard-coded for now. */
! 924: ps_printf(p, "/fs %zu def\n", p->ps->scale);
! 925: for (i = 0; i < (int)TERMFONT__MAX; i++)
! 926: ps_printf(p, "/f%d { /%s fs selectfont } def\n",
! 927: i, fonts[i].name);
! 928: ps_printf(p, "/s { 3 1 roll moveto show } bind def\n");
! 929: ps_printf(p, "/c { exch currentpoint exch pop "
! 930: "moveto show } bind def\n");
! 931: ps_printf(p, "%%%%EndResource\n");
! 932: ps_printf(p, "%%%%EndProlog\n");
1.89 schwarze 933: ps_printf(p, "%%%%BeginSetup\n");
934: ps_printf(p, "%%%%BeginFeature: *PageSize %s\n",
935: p->ps->medianame);
936: ps_printf(p, "<</PageSize [%zu %zu]>>setpagedevice\n",
937: width, height);
938: ps_printf(p, "%%%%EndFeature\n");
939: ps_printf(p, "%%%%EndSetup\n");
1.37 kristaps 940: } else {
941: ps_printf(p, "%%PDF-1.1\n");
1.39 kristaps 942: pdf_obj(p, 1);
1.37 kristaps 943: ps_printf(p, "<<\n");
944: ps_printf(p, ">>\n");
945: ps_printf(p, "endobj\n");
946:
947: for (i = 0; i < (int)TERMFONT__MAX; i++) {
1.39 kristaps 948: pdf_obj(p, (size_t)i + 3);
1.37 kristaps 949: ps_printf(p, "<<\n");
950: ps_printf(p, "/Type /Font\n");
951: ps_printf(p, "/Subtype /Type1\n");
1.55 joerg 952: ps_printf(p, "/Name /F%d\n", i);
1.37 kristaps 953: ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
1.86 schwarze 954: ps_printf(p, ">>\nendobj\n");
1.37 kristaps 955: }
956: }
1.16 kristaps 957:
1.50 kristaps 958: p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
959: p->ps->pscol = p->ps->left;
960: p->ps->psrow = p->ps->top;
961: p->ps->flags |= PS_NEWPAGE;
1.33 kristaps 962: ps_setfont(p, TERMFONT_NONE);
1.2 kristaps 963: }
964:
965: static void
1.13 kristaps 966: ps_pletter(struct termp *p, int c)
1.2 kristaps 967: {
1.14 kristaps 968: int f;
1.32 kristaps 969:
1.9 kristaps 970: /*
1.32 kristaps 971: * If we haven't opened a page context, then output that we're
972: * in a new page and make sure the font is correctly set.
1.9 kristaps 973: */
974:
1.50 kristaps 975: if (PS_NEWPAGE & p->ps->flags) {
1.37 kristaps 976: if (TERMTYPE_PS == p->type) {
1.59 schwarze 977: ps_printf(p, "%%%%Page: %zu %zu\n",
978: p->ps->pages + 1, p->ps->pages + 1);
1.90 ! schwarze 979: ps_printf(p, "f%d\n", (int)p->ps->lastf);
1.37 kristaps 980: } else {
1.59 schwarze 981: pdf_obj(p, p->ps->pdfbody +
982: p->ps->pages * 4);
1.37 kristaps 983: ps_printf(p, "<<\n");
1.59 schwarze 984: ps_printf(p, "/Length %zu 0 R\n",
985: p->ps->pdfbody + 1 + p->ps->pages * 4);
1.37 kristaps 986: ps_printf(p, ">>\nstream\n");
987: }
1.50 kristaps 988: p->ps->pdflastpg = p->ps->pdfbytes;
989: p->ps->flags &= ~PS_NEWPAGE;
1.32 kristaps 990: }
1.59 schwarze 991:
1.32 kristaps 992: /*
993: * If we're not in a PostScript "word" context, then open one
994: * now at the current cursor.
995: */
1.30 kristaps 996:
1.50 kristaps 997: if ( ! (PS_INLINE & p->ps->flags)) {
1.37 kristaps 998: if (TERMTYPE_PS != p->type) {
1.59 schwarze 999: ps_printf(p, "BT\n/F%d %zu Tf\n",
1000: (int)p->ps->lastf, p->ps->scale);
1.37 kristaps 1001: ps_printf(p, "%.3f %.3f Td\n(",
1.59 schwarze 1002: AFM2PNT(p, p->ps->pscol),
1003: AFM2PNT(p, p->ps->psrow));
1.90 ! schwarze 1004: } else {
! 1005: ps_printf(p, "%.3f", AFM2PNT(p, p->ps->pscol));
! 1006: if (p->ps->psrow != p->ps->lastrow)
! 1007: ps_printf(p, " %.3f",
! 1008: AFM2PNT(p, p->ps->psrow));
! 1009: ps_printf(p, "(");
! 1010: }
1.50 kristaps 1011: p->ps->flags |= PS_INLINE;
1.2 kristaps 1012: }
1013:
1.50 kristaps 1014: assert( ! (PS_NEWPAGE & p->ps->flags));
1.29 kristaps 1015:
1.2 kristaps 1016: /*
1017: * We need to escape these characters as per the PostScript
1018: * specification. We would also escape non-graphable characters
1019: * (like tabs), but none of them would get to this point and
1020: * it's superfluous to abort() on them.
1021: */
1022:
1023: switch (c) {
1.59 schwarze 1024: case '(':
1025: case ')':
1026: case '\\':
1.4 kristaps 1027: ps_putchar(p, '\\');
1.2 kristaps 1028: break;
1029: default:
1030: break;
1031: }
1032:
1033: /* Write the character and adjust where we are on the page. */
1.9 kristaps 1034:
1.50 kristaps 1035: f = (int)p->ps->lastf;
1.13 kristaps 1036:
1.61 schwarze 1037: if (c <= 32 || c - 32 >= MAXCHAR)
1038: c = 32;
1.13 kristaps 1039:
1.25 kristaps 1040: ps_putchar(p, (char)c);
1.14 kristaps 1041: c -= 32;
1.50 kristaps 1042: p->ps->pscol += (size_t)fonts[f].gly[c].wx;
1.2 kristaps 1043: }
1044:
1045: static void
1.9 kristaps 1046: ps_pclose(struct termp *p)
1047: {
1048:
1.59 schwarze 1049: /*
1.9 kristaps 1050: * Spit out that we're exiting a word context (this is a
1051: * "partial close" because we don't check the last-char buffer
1052: * or anything).
1053: */
1054:
1.50 kristaps 1055: if ( ! (PS_INLINE & p->ps->flags))
1.9 kristaps 1056: return;
1.59 schwarze 1057:
1.90 ! schwarze 1058: if (TERMTYPE_PS != p->type)
1.37 kristaps 1059: ps_printf(p, ") Tj\nET\n");
1.90 ! schwarze 1060: else if (p->ps->psrow == p->ps->lastrow)
! 1061: ps_printf(p, ")c\n");
! 1062: else {
! 1063: ps_printf(p, ")s\n");
! 1064: p->ps->lastrow = p->ps->psrow;
! 1065: }
1.37 kristaps 1066:
1.50 kristaps 1067: p->ps->flags &= ~PS_INLINE;
1.9 kristaps 1068: }
1069:
1.82 schwarze 1070: /* If we have a `last' char that wasn't printed yet, print it now. */
1.9 kristaps 1071: static void
1.82 schwarze 1072: ps_plast(struct termp *p)
1.9 kristaps 1073: {
1.82 schwarze 1074: size_t wx;
1075:
1076: if (p->ps->last == '\0')
1077: return;
1078:
1079: /* Check the font mode; open a new scope if it doesn't match. */
1080:
1081: if (p->ps->nextf != p->ps->lastf) {
1082: ps_pclose(p);
1083: ps_setfont(p, p->ps->nextf);
1084: }
1085: p->ps->nextf = TERMFONT_NONE;
1.9 kristaps 1086:
1087: /*
1.82 schwarze 1088: * For an overstrike, if a previous character
1089: * was wider, advance to center the new one.
1.9 kristaps 1090: */
1091:
1.82 schwarze 1092: if (p->ps->pscolnext) {
1093: wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
1094: if (p->ps->pscol + wx < p->ps->pscolnext)
1095: p->ps->pscol = (p->ps->pscol +
1096: p->ps->pscolnext - wx) / 2;
1.9 kristaps 1097: }
1098:
1.82 schwarze 1099: ps_pletter(p, p->ps->last);
1100: p->ps->last = '\0';
1101:
1102: /*
1103: * For an overstrike, if a previous character
1104: * was wider, advance to the end of the old one.
1105: */
1.9 kristaps 1106:
1.82 schwarze 1107: if (p->ps->pscol < p->ps->pscolnext) {
1108: ps_pclose(p);
1109: p->ps->pscol = p->ps->pscolnext;
1110: }
1.9 kristaps 1111: }
1112:
1113: static void
1.49 kristaps 1114: ps_letter(struct termp *p, int arg)
1.8 kristaps 1115: {
1.82 schwarze 1116: size_t savecol;
1.65 schwarze 1117: char c;
1.49 kristaps 1118:
1119: c = arg >= 128 || arg <= 0 ? '?' : arg;
1.9 kristaps 1120:
1121: /*
1.67 schwarze 1122: * When receiving a backspace, merely flag it.
1123: * We don't know yet whether it is
1124: * a font instruction or an overstrike.
1.9 kristaps 1125: */
1126:
1.67 schwarze 1127: if (c == '\b') {
1.65 schwarze 1128: assert(p->ps->last != '\0');
1.67 schwarze 1129: assert( ! (p->ps->flags & PS_BACKSP));
1130: p->ps->flags |= PS_BACKSP;
1131: return;
1132: }
1133:
1134: /*
1135: * Decode font instructions.
1136: */
1137:
1138: if (p->ps->flags & PS_BACKSP) {
1139: if (p->ps->last == '_') {
1.65 schwarze 1140: switch (p->ps->nextf) {
1141: case TERMFONT_BI:
1142: break;
1143: case TERMFONT_BOLD:
1144: p->ps->nextf = TERMFONT_BI;
1145: break;
1146: default:
1147: p->ps->nextf = TERMFONT_UNDER;
1148: }
1.67 schwarze 1149: p->ps->last = c;
1150: p->ps->flags &= ~PS_BACKSP;
1151: return;
1152: }
1153: if (p->ps->last == c) {
1.65 schwarze 1154: switch (p->ps->nextf) {
1155: case TERMFONT_BI:
1156: break;
1157: case TERMFONT_UNDER:
1158: p->ps->nextf = TERMFONT_BI;
1159: break;
1160: default:
1161: p->ps->nextf = TERMFONT_BOLD;
1.9 kristaps 1162: }
1.67 schwarze 1163: p->ps->flags &= ~PS_BACKSP;
1164: return;
1.9 kristaps 1165: }
1.67 schwarze 1166:
1167: /*
1168: * This is not a font instruction, but rather
1169: * the next character. Prepare for overstrike.
1170: */
1171:
1172: savecol = p->ps->pscol;
1173: } else
1174: savecol = SIZE_MAX;
1175:
1176: /*
1177: * We found the next character, so the font instructions
1178: * for the previous one are complete.
1179: * Use them and print it.
1180: */
1181:
1.82 schwarze 1182: ps_plast(p);
1.67 schwarze 1183:
1184: /*
1185: * Do not print the current character yet because font
1.82 schwarze 1186: * instructions might follow; only remember the character.
1187: * It will get printed later from ps_plast().
1.67 schwarze 1188: */
1189:
1.65 schwarze 1190: p->ps->last = c;
1.67 schwarze 1191:
1192: /*
1193: * For an overstrike, back up to the previous position.
1.72 schwarze 1194: * If the previous character is wider than any it overstrikes,
1195: * remember the current position, because it might also be
1196: * wider than all that will overstrike it.
1.67 schwarze 1197: */
1198:
1199: if (savecol != SIZE_MAX) {
1.72 schwarze 1200: if (p->ps->pscolnext < p->ps->pscol)
1201: p->ps->pscolnext = p->ps->pscol;
1.67 schwarze 1202: ps_pclose(p);
1203: p->ps->pscol = savecol;
1204: p->ps->flags &= ~PS_BACKSP;
1.72 schwarze 1205: } else
1206: p->ps->pscolnext = 0;
1.8 kristaps 1207: }
1208:
1209: static void
1.2 kristaps 1210: ps_advance(struct termp *p, size_t len)
1211: {
1212:
1.9 kristaps 1213: /*
1214: * Advance some spaces. This can probably be made smarter,
1215: * i.e., to have multiple space-separated words in the same
1216: * scope, but this is easier: just close out the current scope
1217: * and readjust our column settings.
1218: */
1.8 kristaps 1219:
1.82 schwarze 1220: ps_plast(p);
1221: ps_pclose(p);
1.50 kristaps 1222: p->ps->pscol += len;
1.2 kristaps 1223: }
1224:
1225: static void
1226: ps_endline(struct termp *p)
1227: {
1.8 kristaps 1228:
1.9 kristaps 1229: /* Close out any scopes we have open: we're at eoln. */
1230:
1.82 schwarze 1231: ps_plast(p);
1232: ps_pclose(p);
1.2 kristaps 1233:
1.9 kristaps 1234: /*
1235: * If we're in the margin, don't try to recalculate our current
1236: * row. XXX: if the column tries to be fancy with multiple
1.59 schwarze 1237: * lines, we'll do nasty stuff.
1.9 kristaps 1238: */
1.2 kristaps 1239:
1.50 kristaps 1240: if (PS_MARGINS & p->ps->flags)
1.29 kristaps 1241: return;
1242:
1243: /* Left-justify. */
1244:
1.50 kristaps 1245: p->ps->pscol = p->ps->left;
1.29 kristaps 1246:
1247: /* If we haven't printed anything, return. */
1248:
1.50 kristaps 1249: if (PS_NEWPAGE & p->ps->flags)
1.2 kristaps 1250: return;
1251:
1.9 kristaps 1252: /*
1253: * Put us down a line. If we're at the page bottom, spit out a
1254: * showpage and restart our row.
1255: */
1256:
1.59 schwarze 1257: if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
1.50 kristaps 1258: p->ps->psrow -= p->ps->lineheight;
1.2 kristaps 1259: return;
1260: }
1261:
1.37 kristaps 1262: ps_closepage(p);
1.84 schwarze 1263:
1.85 schwarze 1264: p->tcol->offset -= p->ti;
1.84 schwarze 1265: p->ti = 0;
1.1 kristaps 1266: }
1.9 kristaps 1267:
1268: static void
1269: ps_setfont(struct termp *p, enum termfont f)
1270: {
1271:
1.16 kristaps 1272: assert(f < TERMFONT__MAX);
1.50 kristaps 1273: p->ps->lastf = f;
1.59 schwarze 1274:
1.32 kristaps 1275: /*
1276: * If we're still at the top of the page, let the font-setting
1277: * be delayed until we actually have stuff to print.
1278: */
1279:
1.50 kristaps 1280: if (PS_NEWPAGE & p->ps->flags)
1.32 kristaps 1281: return;
1282:
1.37 kristaps 1283: if (TERMTYPE_PS == p->type)
1.90 ! schwarze 1284: ps_printf(p, "f%d\n", (int)f);
1.37 kristaps 1285: else
1.59 schwarze 1286: ps_printf(p, "/F%d %zu Tf\n",
1287: (int)f, p->ps->scale);
1.9 kristaps 1288: }
1289:
1.11 kristaps 1290: static size_t
1.49 kristaps 1291: ps_width(const struct termp *p, int c)
1.11 kristaps 1292: {
1293:
1.14 kristaps 1294: if (c <= 32 || c - 32 >= MAXCHAR)
1.61 schwarze 1295: c = 0;
1296: else
1297: c -= 32;
1.14 kristaps 1298:
1.75 schwarze 1299: return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
1.11 kristaps 1300: }
1.19 kristaps 1301:
1.74 schwarze 1302: static int
1.19 kristaps 1303: ps_hspan(const struct termp *p, const struct roffsu *su)
1304: {
1305: double r;
1.59 schwarze 1306:
1.19 kristaps 1307: /*
1308: * All of these measurements are derived by converting from the
1.21 kristaps 1309: * native measurement to AFM units.
1.19 kristaps 1310: */
1311: switch (su->unit) {
1.64 kristaps 1312: case SCALE_BU:
1313: /*
1314: * Traditionally, the default unit is fixed to the
1315: * output media. So this would refer to the point. In
1316: * mandoc(1), however, we stick to the default terminal
1317: * scaling unit so that output is the same regardless
1318: * the media.
1319: */
1320: r = PNT2AFM(p, su->scale * 72.0 / 240.0);
1321: break;
1.59 schwarze 1322: case SCALE_CM:
1.64 kristaps 1323: r = PNT2AFM(p, su->scale * 72.0 / 2.54);
1324: break;
1325: case SCALE_EM:
1326: r = su->scale *
1327: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
1328: break;
1329: case SCALE_EN:
1330: r = su->scale *
1331: fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
1.19 kristaps 1332: break;
1.59 schwarze 1333: case SCALE_IN:
1.62 schwarze 1334: r = PNT2AFM(p, su->scale * 72.0);
1.19 kristaps 1335: break;
1.64 kristaps 1336: case SCALE_MM:
1337: r = su->scale *
1338: fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
1339: break;
1.59 schwarze 1340: case SCALE_PC:
1.62 schwarze 1341: r = PNT2AFM(p, su->scale * 12.0);
1.19 kristaps 1342: break;
1.59 schwarze 1343: case SCALE_PT:
1.64 kristaps 1344: r = PNT2AFM(p, su->scale * 1.0);
1.19 kristaps 1345: break;
1.59 schwarze 1346: case SCALE_VS:
1.50 kristaps 1347: r = su->scale * p->ps->lineheight;
1.19 kristaps 1348: break;
1349: default:
1350: r = su->scale;
1351: break;
1352: }
1353:
1.75 schwarze 1354: return r * 24.0;
1.50 kristaps 1355: }
1356:
1357: static void
1358: ps_growbuf(struct termp *p, size_t sz)
1359: {
1360: if (p->ps->psmargcur + sz <= p->ps->psmargsz)
1361: return;
1362:
1363: if (sz < PS_BUFSLOP)
1364: sz = PS_BUFSLOP;
1365:
1366: p->ps->psmargsz += sz;
1.60 schwarze 1367: p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
1.19 kristaps 1368: }
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