-/* $Id: term_ps.c,v 1.10 2010/06/19 20:46:28 kristaps Exp $ */
+/* $Id: term_ps.c,v 1.23 2010/06/30 15:05:02 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
*
#include <assert.h>
#include <stdarg.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include "out.h"
#include "main.h"
#include "term.h"
-#define PS_CHAR_WIDTH 6
-#define PS_CHAR_HEIGHT 12
-#define PS_CHAR_TOPMARG (792 - 24)
-#define PS_CHAR_TOP (PS_CHAR_TOPMARG - 36)
-#define PS_CHAR_LEFT 36
-#define PS_CHAR_BOTMARG 24
-#define PS_CHAR_BOT (PS_CHAR_BOTMARG + 36)
+/* Convert PostScript point "x" to an AFM unit. */
+#define PNT2AFM(p, x) \
+ (size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale))
+/* Convert an AFM unit "x" to a PostScript points */
+#define AFM2PNT(p, x) \
+ (size_t)((double)(x) / (1000.0 / (double)(p)->engine.ps.scale))
+
+struct glyph {
+ int wx; /* WX in AFM */
+};
+
+struct font {
+ const char *name; /* FontName in AFM */
+#define MAXCHAR 95 /* total characters we can handle */
+ struct glyph gly[MAXCHAR]; /* glyph metrics */
+};
+
+/*
+ * We define, for the time being, three fonts: bold, oblique/italic, and
+ * normal (roman). The following table hard-codes the font metrics for
+ * ASCII, i.e., 32--127.
+ */
+
+static const struct font fonts[TERMFONT__MAX] = {
+ { "CharterBT-Roman", {
+ { 278 },
+ { 338 },
+ { 331 },
+ { 745 },
+ { 556 },
+ { 852 },
+ { 704 },
+ { 201 },
+ { 417 },
+ { 417 },
+ { 500 },
+ { 833 },
+ { 278 },
+ { 319 },
+ { 278 },
+ { 481 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 319 },
+ { 319 },
+ { 833 },
+ { 833 },
+ { 833 },
+ { 486 },
+ { 942 },
+ { 639 },
+ { 604 },
+ { 632 },
+ { 693 },
+ { 576 },
+ { 537 },
+ { 694 },
+ { 738 },
+ { 324 },
+ { 444 },
+ { 611 },
+ { 520 },
+ { 866 },
+ { 713 },
+ { 731 },
+ { 558 },
+ { 731 },
+ { 646 },
+ { 556 },
+ { 597 },
+ { 694 },
+ { 618 },
+ { 928 },
+ { 600 },
+ { 586 },
+ { 586 },
+ { 421 },
+ { 481 },
+ { 421 },
+ { 1000 },
+ { 500 },
+ { 201 },
+ { 507 },
+ { 539 },
+ { 446 },
+ { 565 },
+ { 491 },
+ { 321 },
+ { 523 },
+ { 564 },
+ { 280 },
+ { 266 },
+ { 517 },
+ { 282 },
+ { 843 },
+ { 568 },
+ { 539 },
+ { 551 },
+ { 531 },
+ { 382 },
+ { 400 },
+ { 334 },
+ { 569 },
+ { 494 },
+ { 771 },
+ { 503 },
+ { 495 },
+ { 468 },
+ { 486 },
+ { 500 },
+ { 486 },
+ { 833 },
+ } },
+ { "CharterBT-Bold", {
+ { 291 },
+ { 340 },
+ { 339 },
+ { 736 },
+ { 581 },
+ { 888 },
+ { 741 },
+ { 255 },
+ { 428 },
+ { 428 },
+ { 500 },
+ { 833 },
+ { 289 },
+ { 326 },
+ { 289 },
+ { 491 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 581 },
+ { 340 },
+ { 340 },
+ { 833 },
+ { 833 },
+ { 833 },
+ { 487 },
+ { 917 },
+ { 651 },
+ { 628 },
+ { 638 },
+ { 716 },
+ { 596 },
+ { 552 },
+ { 710 },
+ { 760 },
+ { 354 },
+ { 465 },
+ { 650 },
+ { 543 },
+ { 883 },
+ { 727 },
+ { 752 },
+ { 587 },
+ { 752 },
+ { 671 },
+ { 568 },
+ { 603 },
+ { 705 },
+ { 635 },
+ { 946 },
+ { 637 },
+ { 610 },
+ { 592 },
+ { 443 },
+ { 491 },
+ { 443 },
+ { 1000 },
+ { 500 },
+ { 255 },
+ { 544 },
+ { 577 },
+ { 476 },
+ { 596 },
+ { 524 },
+ { 341 },
+ { 551 },
+ { 597 },
+ { 305 },
+ { 297 },
+ { 553 },
+ { 304 },
+ { 892 },
+ { 605 },
+ { 577 },
+ { 591 },
+ { 575 },
+ { 421 },
+ { 447 },
+ { 358 },
+ { 600 },
+ { 513 },
+ { 799 },
+ { 531 },
+ { 515 },
+ { 495 },
+ { 493 },
+ { 500 },
+ { 493 },
+ { 833 },
+ } },
+ { "CharterBT-Italic", {
+ { 278 },
+ { 338 },
+ { 331 },
+ { 745 },
+ { 556 },
+ { 852 },
+ { 704 },
+ { 201 },
+ { 419 },
+ { 419 },
+ { 500 },
+ { 833 },
+ { 278 },
+ { 319 },
+ { 278 },
+ { 481 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 556 },
+ { 319 },
+ { 319 },
+ { 833 },
+ { 833 },
+ { 833 },
+ { 486 },
+ { 942 },
+ { 606 },
+ { 588 },
+ { 604 },
+ { 671 },
+ { 546 },
+ { 509 },
+ { 664 },
+ { 712 },
+ { 312 },
+ { 447 },
+ { 625 },
+ { 498 },
+ { 839 },
+ { 683 },
+ { 708 },
+ { 542 },
+ { 708 },
+ { 602 },
+ { 537 },
+ { 565 },
+ { 664 },
+ { 590 },
+ { 898 },
+ { 569 },
+ { 562 },
+ { 556 },
+ { 421 },
+ { 481 },
+ { 421 },
+ { 1000 },
+ { 500 },
+ { 201 },
+ { 525 },
+ { 507 },
+ { 394 },
+ { 523 },
+ { 424 },
+ { 292 },
+ { 481 },
+ { 551 },
+ { 287 },
+ { 269 },
+ { 514 },
+ { 275 },
+ { 815 },
+ { 556 },
+ { 502 },
+ { 516 },
+ { 512 },
+ { 398 },
+ { 370 },
+ { 333 },
+ { 553 },
+ { 454 },
+ { 713 },
+ { 477 },
+ { 475 },
+ { 440 },
+ { 486 },
+ { 500 },
+ { 486 },
+ { 833 },
+ } },
+};
+
+/* These work the buffer used by the header and footer. */
#define PS_BUFSLOP 128
#define PS_GROWBUF(p, sz) \
do if ((p)->engine.ps.psmargcur + (sz) > \
} while (/* CONSTCOND */ 0)
-static void ps_letter(struct termp *, char);
+static double ps_hspan(const struct termp *,
+ const struct roffsu *);
+static size_t ps_width(const struct termp *, char);
+static void ps_advance(struct termp *, size_t);
static void ps_begin(struct termp *);
static void ps_end(struct termp *);
-static void ps_advance(struct termp *, size_t);
static void ps_endline(struct termp *);
static void ps_fclose(struct termp *);
+static void ps_letter(struct termp *, char);
static void ps_pclose(struct termp *);
-static void ps_pletter(struct termp *, char);
+static void ps_pletter(struct termp *, int);
static void ps_printf(struct termp *, const char *, ...);
static void ps_putchar(struct termp *, char);
static void ps_setfont(struct termp *, enum termfont);
void *
-ps_alloc(void)
+ps_alloc(char *outopts)
{
struct termp *p;
+ size_t pagex, pagey, margin, lineheight;
+ const char *toks[2];
+ const char *paper;
+ char *v;
if (NULL == (p = term_alloc(TERMENC_ASCII)))
return(NULL);
- p->type = TERMTYPE_PS;
- p->letter = ps_letter;
+ p->advance = ps_advance;
p->begin = ps_begin;
p->end = ps_end;
- p->advance = ps_advance;
p->endline = ps_endline;
+ p->hspan = ps_hspan;
+ p->letter = ps_letter;
+ p->type = TERMTYPE_PS;
+ p->width = ps_width;
+
+ p->engine.ps.scale = 10;
+
+ toks[0] = "paper";
+ toks[1] = NULL;
+
+ paper = "letter";
+
+ while (outopts && *outopts)
+ switch (getsubopt(&outopts, UNCONST(toks), &v)) {
+ case (0):
+ paper = v;
+ break;
+ default:
+ break;
+ }
+
+ margin = PNT2AFM(p, 72);
+ lineheight = PNT2AFM(p, 12);
+
+ if (0 == strcasecmp(paper, "a4")) {
+ pagex = PNT2AFM(p, 595);
+ pagey = PNT2AFM(p, 842);
+ } else {
+ pagex = PNT2AFM(p, 612);
+ pagey = PNT2AFM(p, 792);
+ }
+
+ assert(margin * 2 < pagex);
+ assert(margin * 2 < pagey);
+
+ p->engine.ps.width = pagex;
+ p->engine.ps.height = pagey;
+ p->engine.ps.header = pagey - (margin / 2);
+ p->engine.ps.top = pagey - margin;
+ p->engine.ps.footer = (margin / 2);
+ p->engine.ps.bottom = margin;
+ p->engine.ps.left = margin;
+ p->engine.ps.lineheight = lineheight;
+
+ p->defrmargin = pagex - (margin * 2);
return(p);
}
assert('\0' == p->engine.ps.last);
assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
printf("%s", p->engine.ps.psmarg);
+ p->engine.ps.pages++;
printf("showpage\n");
- printf("%s\n", "%%EOF");
+
+ printf("%%%%Trailer\n");
+ printf("%%%%Pages: %zu\n", p->engine.ps.pages);
+ printf("%%%%EOF\n");
}
static void
ps_begin(struct termp *p)
{
+ time_t t;
+ int i;
/*
* Print margins into margin buffer. Nothing gets output to the
p->engine.ps.psmargcur = 0;
p->engine.ps.psstate = PS_MARGINS;
- p->engine.ps.pscol = PS_CHAR_LEFT;
- p->engine.ps.psrow = PS_CHAR_TOPMARG;
+ p->engine.ps.pscol = p->engine.ps.left;
+ p->engine.ps.psrow = p->engine.ps.header;
ps_setfont(p, TERMFONT_NONE);
(*p->headf)(p, p->argf);
(*p->endline)(p);
- p->engine.ps.pscol = PS_CHAR_LEFT;
- p->engine.ps.psrow = PS_CHAR_BOTMARG;
+ p->engine.ps.pscol = p->engine.ps.left;
+ p->engine.ps.psrow = p->engine.ps.footer;
(*p->footf)(p, p->argf);
(*p->endline)(p);
* stuff gets printed to the screen, so make sure we're sane.
*/
- printf("%s\n", "%!PS");
+ t = time(NULL);
+
+ printf("%%!PS-Adobe-3.0\n");
+ printf("%%%%Creator: mandoc-%s\n", VERSION);
+ printf("%%%%CreationDate: %s", ctime(&t));
+ printf("%%%%DocumentData: Clean7Bit\n");
+ printf("%%%%Orientation: Portrait\n");
+ printf("%%%%Pages: (atend)\n");
+ printf("%%%%PageOrder: Ascend\n");
+ printf("%%%%DocumentMedia: Default %zu %zu 0 () ()\n",
+ AFM2PNT(p, p->engine.ps.width),
+ AFM2PNT(p, p->engine.ps.height));
+ printf("%%%%DocumentNeededResources: font");
+ for (i = 0; i < (int)TERMFONT__MAX; i++)
+ printf(" %s", fonts[i].name);
+ printf("\n%%%%EndComments\n");
+
+ printf("%%%%Page: %zu %zu\n",
+ p->engine.ps.pages + 1,
+ p->engine.ps.pages + 1);
+
ps_setfont(p, TERMFONT_NONE);
- p->engine.ps.pscol = PS_CHAR_LEFT;
- p->engine.ps.psrow = PS_CHAR_TOP;
+ p->engine.ps.pscol = p->engine.ps.left;
+ p->engine.ps.psrow = p->engine.ps.top;
}
static void
-ps_pletter(struct termp *p, char c)
+ps_pletter(struct termp *p, int c)
{
+ int f;
/*
* If we're not in a PostScript "word" context, then open one
if ( ! (PS_INLINE & p->engine.ps.psstate)) {
ps_printf(p, "%zu %zu moveto\n(",
- p->engine.ps.pscol,
- p->engine.ps.psrow);
+ AFM2PNT(p, p->engine.ps.pscol),
+ AFM2PNT(p, p->engine.ps.psrow));
p->engine.ps.psstate |= PS_INLINE;
}
/* Write the character and adjust where we are on the page. */
+ f = (int)p->engine.ps.lastf;
+
+ if (c <= 32 || (c - 32 > MAXCHAR)) {
+ ps_putchar(p, ' ');
+ p->engine.ps.pscol += fonts[f].gly[0].wx;
+ return;
+ }
+
ps_putchar(p, c);
- p->engine.ps.pscol += PS_CHAR_WIDTH;
+ c -= 32;
+ p->engine.ps.pscol += fonts[f].gly[c].wx;
}
*/
ps_fclose(p);
- p->engine.ps.pscol += len ? len * PS_CHAR_WIDTH : 0;
+ p->engine.ps.pscol += len;
}
* showpage and restart our row.
*/
- p->engine.ps.pscol = PS_CHAR_LEFT;
- if (p->engine.ps.psrow >= PS_CHAR_HEIGHT + PS_CHAR_BOT) {
- p->engine.ps.psrow -= PS_CHAR_HEIGHT;
+ p->engine.ps.pscol = p->engine.ps.left;
+ if (p->engine.ps.psrow >= p->engine.ps.lineheight +
+ p->engine.ps.bottom) {
+ p->engine.ps.psrow -= p->engine.ps.lineheight;
return;
}
assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
printf("%s", p->engine.ps.psmarg);
printf("showpage\n");
- p->engine.ps.psrow = PS_CHAR_TOP;
+ p->engine.ps.pages++;
+ printf("%%%%Page: %zu %zu\n",
+ p->engine.ps.pages + 1,
+ p->engine.ps.pages + 1);
+ p->engine.ps.psrow = p->engine.ps.top;
}
ps_setfont(struct termp *p, enum termfont f)
{
- if (TERMFONT_BOLD == f)
- ps_printf(p, "/Courier-Bold\n");
- else if (TERMFONT_UNDER == f)
- ps_printf(p, "/Courier-Oblique\n");
- else
- ps_printf(p, "/Courier\n");
-
- ps_printf(p, "10 selectfont\n");
+ assert(f < TERMFONT__MAX);
+ ps_printf(p, "/%s %zu selectfont\n",
+ fonts[(int)f].name, p->engine.ps.scale);
p->engine.ps.lastf = f;
}
+
+/* ARGSUSED */
+static size_t
+ps_width(const struct termp *p, char c)
+{
+
+ if (c <= 32 || c - 32 >= MAXCHAR)
+ return(fonts[(int)TERMFONT_NONE].gly[0].wx);
+
+ c -= 32;
+ return(fonts[(int)TERMFONT_NONE].gly[(int)c].wx);
+}
+
+
+static double
+ps_hspan(const struct termp *p, const struct roffsu *su)
+{
+ double r;
+
+ /*
+ * All of these measurements are derived by converting from the
+ * native measurement to AFM units.
+ */
+
+ switch (su->unit) {
+ case (SCALE_CM):
+ r = PNT2AFM(p, su->scale * 28.34);
+ break;
+ case (SCALE_IN):
+ r = PNT2AFM(p, su->scale * 72);
+ break;
+ case (SCALE_PC):
+ r = PNT2AFM(p, su->scale * 12);
+ break;
+ case (SCALE_PT):
+ r = PNT2AFM(p, su->scale * 100);
+ break;
+ case (SCALE_EM):
+ r = su->scale *
+ fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
+ break;
+ case (SCALE_MM):
+ r = PNT2AFM(p, su->scale * 2.834);
+ break;
+ case (SCALE_EN):
+ r = su->scale *
+ fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
+ break;
+ case (SCALE_VS):
+ r = su->scale * p->engine.ps.lineheight;
+ break;
+ default:
+ r = su->scale;
+ break;
+ }
+
+ return(r);
+}
+