-/* $Id: term_ps.c,v 1.70 2014/12/01 08:05:52 schwarze Exp $ */
+/* $Id: term_ps.c,v 1.81 2016/07/19 13:36:13 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014, 2015 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 "mandoc_aux.h"
#include "out.h"
#include "term.h"
+#include "manconf.h"
#include "main.h"
/* These work the buffer used by the header and footer. */
#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 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_letter(struct termp *, int);
static void ps_pclose(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(const struct mchars *, 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);
/*
};
void *
-pdf_alloc(const struct mchars *mchars, char *outopts)
+pdf_alloc(const struct manoutput *outopts)
{
struct termp *p;
- if (NULL != (p = pspdf_alloc(mchars, outopts)))
+ if (NULL != (p = pspdf_alloc(outopts)))
p->type = TERMTYPE_PDF;
- return(p);
+ return p;
}
void *
-ps_alloc(const struct mchars *mchars, char *outopts)
+ps_alloc(const struct manoutput *outopts)
{
struct termp *p;
- if (NULL != (p = pspdf_alloc(mchars, outopts)))
+ if (NULL != (p = pspdf_alloc(outopts)))
p->type = TERMTYPE_PS;
- return(p);
+ return p;
}
static struct termp *
-pspdf_alloc(const struct mchars *mchars, 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->symtab = mchars;
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;
if (iop > 0)
p->ps->width += width;
else if (iop == 0)
- p->ps->width = width ? width : p->ps->lastwidth;
- else if (p->ps->width > width)
+ 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 = 0;
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);
switch (c) {
case '(':
- /* FALLTHROUGH */
case ')':
- /* FALLTHROUGH */
case '\\':
ps_putchar(p, '\\');
break;
static void
ps_letter(struct termp *p, int arg)
{
- size_t savecol;
+ size_t savecol, wx;
char c;
c = arg >= 128 || arg <= 0 ? '?' : arg;
ps_setfont(p, p->ps->nextf);
}
p->ps->nextf = TERMFONT_NONE;
+
+ /*
+ * For an overstrike, if a previous character
+ * was wider, advance to center the new one.
+ */
+
+ 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;
+ }
+
ps_pletter(p, p->ps->last);
+
+ /*
+ * 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;
+ }
}
/*
/*
* 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
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;
break;
}
- return(r);
+ return r * 24.0;
}
static void