-/* $Id: term_ps.c,v 1.63 2014/08/10 23:54:41 schwarze Exp $ */
+/* $Id: term_ps.c,v 1.82 2016/08/10 11:03:43 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
#include <sys/types.h>
#include <assert.h>
+#if HAVE_ERR
+#include <err.h>
+#endif
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <time.h>
#include <unistd.h>
-#include "mandoc.h"
#include "mandoc_aux.h"
#include "out.h"
-#include "main.h"
#include "term.h"
+#include "manconf.h"
+#include "main.h"
/* These work the buffer used by the header and footer. */
#define PS_BUFSLOP 128
#define PS_INLINE (1 << 0) /* we're in a word */
#define PS_MARGINS (1 << 1) /* we're in the margins */
#define PS_NEWPAGE (1 << 2) /* new page, no words yet */
+#define PS_BACKSP (1 << 3) /* last character was backspace */
size_t pscol; /* visible column (AFM units) */
+ size_t pscolnext; /* used for overstrike */
size_t psrow; /* visible row (AFM units) */
char *psmarg; /* margin buf */
size_t psmargsz; /* margin buf size */
size_t psmargcur; /* cur index in margin buf */
- char last; /* character buffer */
+ char last; /* last non-backspace seen */
enum termfont lastf; /* last set font */
+ enum termfont nextf; /* building next font here */
size_t scale; /* font scaling factor */
size_t pages; /* number of pages shown */
size_t lineheight; /* line height (AFM units) */
size_t pdfobjsz; /* size of pdfobjs */
};
-static double ps_hspan(const struct termp *,
+static int ps_hspan(const struct termp *,
const struct roffsu *);
static size_t ps_width(const struct termp *, int);
static void ps_advance(struct termp *, size_t);
static void ps_closepage(struct termp *);
static void ps_end(struct termp *);
static void ps_endline(struct termp *);
-static void ps_fclose(struct termp *);
static void ps_growbuf(struct termp *, size_t);
static void ps_letter(struct termp *, int);
static void ps_pclose(struct termp *);
+static void ps_plast(struct termp *);
static void ps_pletter(struct termp *, int);
-#if __GNUC__ - 0 >= 4
-__attribute__((__format__ (__printf__, 2, 3)))
-#endif
-static void ps_printf(struct termp *, const char *, ...);
+static void ps_printf(struct termp *, const char *, ...)
+ __attribute__((__format__ (printf, 2, 3)));
static void ps_putchar(struct termp *, char);
static void ps_setfont(struct termp *, enum termfont);
-static void ps_setwidth(struct termp *, int, size_t);
-static struct termp *pspdf_alloc(char *);
+static void ps_setwidth(struct termp *, int, int);
+static struct termp *pspdf_alloc(const struct manoutput *);
static void pdf_obj(struct termp *, size_t);
/*
{ 400 },
{ 541 },
} },
+ { "Times-BoldItalic", {
+ { 250 },
+ { 389 },
+ { 555 },
+ { 500 },
+ { 500 },
+ { 833 },
+ { 778 },
+ { 333 },
+ { 333 },
+ { 333 },
+ { 500 },
+ { 570 },
+ { 250 },
+ { 333 },
+ { 250 },
+ { 278 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 333 },
+ { 333 },
+ { 570 },
+ { 570 },
+ { 570 },
+ { 500 },
+ { 832 },
+ { 667 },
+ { 667 },
+ { 667 },
+ { 722 },
+ { 667 },
+ { 667 },
+ { 722 },
+ { 778 },
+ { 389 },
+ { 500 },
+ { 667 },
+ { 611 },
+ { 889 },
+ { 722 },
+ { 722 },
+ { 611 },
+ { 722 },
+ { 667 },
+ { 556 },
+ { 611 },
+ { 722 },
+ { 667 },
+ { 889 },
+ { 667 },
+ { 611 },
+ { 611 },
+ { 333 },
+ { 278 },
+ { 333 },
+ { 570 },
+ { 500 },
+ { 333 },
+ { 500 },
+ { 500 },
+ { 444 },
+ { 500 },
+ { 444 },
+ { 333 },
+ { 500 },
+ { 556 },
+ { 278 },
+ { 278 },
+ { 500 },
+ { 278 },
+ { 778 },
+ { 556 },
+ { 500 },
+ { 500 },
+ { 500 },
+ { 389 },
+ { 389 },
+ { 278 },
+ { 556 },
+ { 444 },
+ { 667 },
+ { 500 },
+ { 444 },
+ { 389 },
+ { 348 },
+ { 220 },
+ { 348 },
+ { 570 },
+ } },
};
void *
-pdf_alloc(char *outopts)
+pdf_alloc(const struct manoutput *outopts)
{
struct termp *p;
if (NULL != (p = pspdf_alloc(outopts)))
p->type = TERMTYPE_PDF;
- return(p);
+ return p;
}
void *
-ps_alloc(char *outopts)
+ps_alloc(const struct manoutput *outopts)
{
struct termp *p;
if (NULL != (p = pspdf_alloc(outopts)))
p->type = TERMTYPE_PS;
- return(p);
+ return p;
}
static struct termp *
-pspdf_alloc(char *outopts)
+pspdf_alloc(const struct manoutput *outopts)
{
struct termp *p;
unsigned int pagex, pagey;
size_t marginx, marginy, lineheight;
- const char *toks[2];
const char *pp;
- char *v;
p = mandoc_calloc(1, sizeof(struct termp));
p->enc = TERMENC_ASCII;
+ p->fontq = mandoc_reallocarray(NULL,
+ (p->fontsz = 8), sizeof(enum termfont));
+ p->fontq[0] = p->fontl = TERMFONT_NONE;
p->ps = mandoc_calloc(1, sizeof(struct termp_ps));
p->advance = ps_advance;
p->setwidth = ps_setwidth;
p->width = ps_width;
- toks[0] = "paper";
- toks[1] = NULL;
-
- pp = NULL;
-
- while (outopts && *outopts)
- switch (getsubopt(&outopts, UNCONST(toks), &v)) {
- case 0:
- pp = v;
- break;
- default:
- break;
- }
-
/* Default to US letter (millimetres). */
pagex = 216;
* only happens once, I'm not terribly concerned.
*/
+ pp = outopts->paper;
if (pp && strcasecmp(pp, "letter")) {
if (0 == strcasecmp(pp, "a3")) {
pagex = 297;
pagex = 216;
pagey = 356;
} else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
- fprintf(stderr, "%s: Unknown paper\n", pp);
+ warnx("%s: Unknown paper", pp);
}
/*
p->ps->lineheight = lineheight;
p->defrmargin = pagex - (marginx * 2);
- return(p);
+ return p;
}
static void
-ps_setwidth(struct termp *p, int iop, size_t width)
+ps_setwidth(struct termp *p, int iop, int width)
{
size_t lastwidth;
lastwidth = p->ps->width;
- if (0 < iop)
+ if (iop > 0)
p->ps->width += width;
- else if (0 > iop)
+ else if (iop == 0)
+ p->ps->width = width ? (size_t)width : p->ps->lastwidth;
+ else if (p->ps->width > (size_t)width)
p->ps->width -= width;
else
- p->ps->width = width ? width : p->ps->lastwidth;
+ p->ps->width = 0;
p->ps->lastwidth = lastwidth;
}
p = (struct termp *)arg;
- if (p->ps->psmarg)
- free(p->ps->psmarg);
- if (p->ps->pdfobjs)
- free(p->ps->pdfobjs);
+ free(p->ps->psmarg);
+ free(p->ps->pdfobjs);
free(p->ps);
term_free(p);
{
size_t i, xref, base;
+ ps_plast(p);
+ ps_pclose(p);
+
/*
* At the end of the file, do one last showpage. This is the
* same behaviour as groff(1) and works for multiple pages as
static void
ps_begin(struct termp *p)
{
- time_t t;
int i;
/*
* stuff gets printed to the screen, so make sure we're sane.
*/
- t = time(NULL);
-
if (TERMTYPE_PS == p->type) {
ps_printf(p, "%%!PS-Adobe-3.0\n");
- ps_printf(p, "%%%%CreationDate: %s", ctime(&t));
ps_printf(p, "%%%%DocumentData: Clean7Bit\n");
ps_printf(p, "%%%%Orientation: Portrait\n");
ps_printf(p, "%%%%Pages: (atend)\n");
switch (c) {
case '(':
- /* FALLTHROUGH */
case ')':
- /* FALLTHROUGH */
case '\\':
ps_putchar(p, '\\');
break;
p->ps->flags &= ~PS_INLINE;
}
+/* If we have a `last' char that wasn't printed yet, print it now. */
static void
-ps_fclose(struct termp *p)
+ps_plast(struct termp *p)
{
+ size_t wx;
+
+ if (p->ps->last == '\0')
+ return;
+
+ /* Check the font mode; open a new scope if it doesn't match. */
+
+ if (p->ps->nextf != p->ps->lastf) {
+ ps_pclose(p);
+ ps_setfont(p, p->ps->nextf);
+ }
+ p->ps->nextf = TERMFONT_NONE;
/*
- * Strong closure: if we have a last-char, spit it out after
- * checking that we're in the right font mode. This will of
- * course open a new scope, if applicable.
- *
- * Following this, close out any scope that's open.
+ * For an overstrike, if a previous character
+ * was wider, advance to center the new one.
*/
- if ('\0' != p->ps->last) {
- if (p->ps->lastf != TERMFONT_NONE) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_NONE);
- }
- ps_pletter(p, p->ps->last);
- p->ps->last = '\0';
+ if (p->ps->pscolnext) {
+ wx = fonts[p->ps->lastf].gly[(int)p->ps->last-32].wx;
+ if (p->ps->pscol + wx < p->ps->pscolnext)
+ p->ps->pscol = (p->ps->pscol +
+ p->ps->pscolnext - wx) / 2;
}
- if ( ! (PS_INLINE & p->ps->flags))
- return;
+ ps_pletter(p, p->ps->last);
+ p->ps->last = '\0';
- ps_pclose(p);
+ /*
+ * For an overstrike, if a previous character
+ * was wider, advance to the end of the old one.
+ */
+
+ if (p->ps->pscol < p->ps->pscolnext) {
+ ps_pclose(p);
+ p->ps->pscol = p->ps->pscolnext;
+ }
}
static void
ps_letter(struct termp *p, int arg)
{
- char cc, c;
+ size_t savecol;
+ char c;
c = arg >= 128 || arg <= 0 ? '?' : arg;
/*
- * State machine dictates whether to buffer the last character
- * or not. Basically, encoded words are detected by checking if
- * we're an "8" and switching on the buffer. Then we put "8" in
- * our buffer, and on the next charater, flush both character
- * and buffer. Thus, "regular" words are detected by having a
- * regular character and a regular buffer character.
+ * When receiving a backspace, merely flag it.
+ * We don't know yet whether it is
+ * a font instruction or an overstrike.
*/
- if ('\0' == p->ps->last) {
- assert(8 != c);
- p->ps->last = c;
+ if (c == '\b') {
+ assert(p->ps->last != '\0');
+ assert( ! (p->ps->flags & PS_BACKSP));
+ p->ps->flags |= PS_BACKSP;
return;
- } else if (8 == p->ps->last) {
- assert(8 != c);
- p->ps->last = '\0';
- } else if (8 == c) {
- assert(8 != p->ps->last);
- if ('_' == p->ps->last) {
- if (p->ps->lastf != TERMFONT_UNDER) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_UNDER);
+ }
+
+ /*
+ * Decode font instructions.
+ */
+
+ if (p->ps->flags & PS_BACKSP) {
+ if (p->ps->last == '_') {
+ switch (p->ps->nextf) {
+ case TERMFONT_BI:
+ break;
+ case TERMFONT_BOLD:
+ p->ps->nextf = TERMFONT_BI;
+ break;
+ default:
+ p->ps->nextf = TERMFONT_UNDER;
}
- } else if (p->ps->lastf != TERMFONT_BOLD) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_BOLD);
+ p->ps->last = c;
+ p->ps->flags &= ~PS_BACKSP;
+ return;
}
- p->ps->last = c;
- return;
- } else {
- if (p->ps->lastf != TERMFONT_NONE) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_NONE);
+ if (p->ps->last == c) {
+ switch (p->ps->nextf) {
+ case TERMFONT_BI:
+ break;
+ case TERMFONT_UNDER:
+ p->ps->nextf = TERMFONT_BI;
+ break;
+ default:
+ p->ps->nextf = TERMFONT_BOLD;
+ }
+ p->ps->flags &= ~PS_BACKSP;
+ return;
}
- cc = p->ps->last;
- p->ps->last = c;
- c = cc;
- }
- ps_pletter(p, c);
+ /*
+ * This is not a font instruction, but rather
+ * the next character. Prepare for overstrike.
+ */
+
+ savecol = p->ps->pscol;
+ } else
+ savecol = SIZE_MAX;
+
+ /*
+ * We found the next character, so the font instructions
+ * for the previous one are complete.
+ * Use them and print it.
+ */
+
+ ps_plast(p);
+
+ /*
+ * Do not print the current character yet because font
+ * instructions might follow; only remember the character.
+ * It will get printed later from ps_plast().
+ */
+
+ p->ps->last = c;
+
+ /*
+ * For an overstrike, back up to the previous position.
+ * If the previous character is wider than any it overstrikes,
+ * remember the current position, because it might also be
+ * wider than all that will overstrike it.
+ */
+
+ if (savecol != SIZE_MAX) {
+ if (p->ps->pscolnext < p->ps->pscol)
+ p->ps->pscolnext = p->ps->pscol;
+ ps_pclose(p);
+ p->ps->pscol = savecol;
+ p->ps->flags &= ~PS_BACKSP;
+ } else
+ p->ps->pscolnext = 0;
}
static void
* and readjust our column settings.
*/
- ps_fclose(p);
+ ps_plast(p);
+ ps_pclose(p);
p->ps->pscol += len;
}
/* Close out any scopes we have open: we're at eoln. */
- ps_fclose(p);
+ ps_plast(p);
+ ps_pclose(p);
/*
* If we're in the margin, don't try to recalculate our current
else
c -= 32;
- return((size_t)fonts[(int)TERMFONT_NONE].gly[c].wx);
+ return (size_t)fonts[(int)TERMFONT_NONE].gly[c].wx;
}
-static double
+static int
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 * 72.0);
+ case SCALE_BU:
+ /*
+ * Traditionally, the default unit is fixed to the
+ * output media. So this would refer to the point. In
+ * mandoc(1), however, we stick to the default terminal
+ * scaling unit so that output is the same regardless
+ * the media.
+ */
+ r = PNT2AFM(p, su->scale * 72.0 / 240.0);
break;
- case SCALE_PC:
- r = PNT2AFM(p, su->scale * 12.0);
- break;
- case SCALE_PT:
- r = PNT2AFM(p, su->scale * 100.0);
+ case SCALE_CM:
+ r = PNT2AFM(p, su->scale * 72.0 / 2.54);
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_IN:
+ r = PNT2AFM(p, su->scale * 72.0);
+ break;
+ case SCALE_MM:
+ r = su->scale *
+ fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
+ break;
+ case SCALE_PC:
+ r = PNT2AFM(p, su->scale * 12.0);
+ break;
+ case SCALE_PT:
+ r = PNT2AFM(p, su->scale * 1.0);
+ break;
case SCALE_VS:
r = su->scale * p->ps->lineheight;
break;
break;
}
- return(r);
+ return r * 24.0;
}
static void
git.ckatri.com / mandoc.git / blobdiff