-/* $Id: term_ps.c,v 1.50 2011/05/15 00:58:48 kristaps Exp $ */
+/* $Id: term_ps.c,v 1.81 2016/07/19 13:36:13 schwarze Exp $ */
/*
- * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * 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
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#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
/* Convert PostScript point "x" to an AFM unit. */
-#define PNT2AFM(p, x) /* LINTED */ \
+#define PNT2AFM(p, x) \
(size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
/* Convert an AFM unit "x" to a PostScript points */
-#define AFM2PNT(p, x) /* LINTED */ \
+#define AFM2PNT(p, x) \
((double)(x) / (1000.0 / (double)(p)->ps->scale))
struct glyph {
#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 bottom; /* body bottom (AFM units) */
size_t height; /* page height (AFM units */
size_t width; /* page width (AFM units) */
+ size_t lastwidth; /* page width before last ll */
size_t left; /* body left (AFM units) */
size_t header; /* header pos (AFM units) */
size_t footer; /* footer pos (AFM units) */
- size_t pdfbytes; /* current output byte */
+ size_t pdfbytes; /* current output byte */
size_t pdflastpg; /* byte of last page mark */
size_t pdfbody; /* start of body object */
size_t *pdfobjs; /* table of object offsets */
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);
-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 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;
- size_t pagex, pagey, marginx, marginy, lineheight;
- const char *toks[2];
+ unsigned int pagex, pagey;
+ size_t marginx, marginy, lineheight;
const char *pp;
- char *v;
- p = term_alloc(TERMENC_ASCII);
+ 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->endline = ps_endline;
p->hspan = ps_hspan;
p->letter = ps_letter;
+ 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). */
* only happens once, I'm not terribly concerned.
*/
+ pp = outopts->paper;
if (pp && strcasecmp(pp, "letter")) {
if (0 == strcasecmp(pp, "a3")) {
pagex = 297;
} else if (0 == strcasecmp(pp, "legal")) {
pagex = 216;
pagey = 356;
- } else if (2 != sscanf(pp, "%zux%zu", &pagex, &pagey))
- fprintf(stderr, "%s: Unknown paper\n", pp);
- } else if (NULL == pp)
- pp = "letter";
+ } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
+ warnx("%s: Unknown paper", pp);
+ }
- /*
+ /*
* This MUST be defined before any PNT2AFM or AFM2PNT
* calculations occur.
*/
/* Margins are 1/9 the page x and y. */
- marginx = /* LINTED */
- (size_t)((double)pagex / 9.0);
- marginy = /* LINTED */
- (size_t)((double)pagey / 9.0);
+ marginx = (size_t)((double)pagex / 9.0);
+ marginy = (size_t)((double)pagey / 9.0);
/* Line-height is 1.4em. */
lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
- p->ps->width = pagex;
- p->ps->height = pagey;
+ p->ps->width = p->ps->lastwidth = (size_t)pagex;
+ p->ps->height = (size_t)pagey;
p->ps->header = pagey - (marginy / 2) - (lineheight / 2);
p->ps->top = pagey - marginy;
p->ps->footer = (marginy / 2) - (lineheight / 2);
p->ps->lineheight = lineheight;
p->defrmargin = pagex - (marginx * 2);
- return(p);
+ return p;
}
+static void
+ps_setwidth(struct termp *p, int iop, int width)
+{
+ size_t lastwidth;
+
+ lastwidth = p->ps->width;
+ if (iop > 0)
+ p->ps->width += width;
+ 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 = 0;
+ p->ps->lastwidth = lastwidth;
+}
void
pspdf_free(void *arg)
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);
}
-
static void
ps_printf(struct termp *p, const char *fmt, ...)
{
if ( ! (PS_MARGINS & p->ps->flags)) {
len = vprintf(fmt, ap);
va_end(ap);
- p->ps->pdfbytes += /* LINTED */
- len < 0 ? 0 : (size_t)len;
+ p->ps->pdfbytes += len < 0 ? 0 : (size_t)len;
return;
}
- /*
+ /*
* XXX: I assume that the in-margin print won't exceed
* PS_BUFSLOP (128 bytes), which is reasonable but still an
* assumption that will cause pukeage if it's not the case.
ps_growbuf(p, PS_BUFSLOP);
pos = (int)p->ps->psmargcur;
- len = vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
+ vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
va_end(ap);
p->ps->psmargcur = strlen(p->ps->psmarg);
}
-
static void
ps_putchar(struct termp *p, char c)
{
/* See ps_printf(). */
if ( ! (PS_MARGINS & p->ps->flags)) {
- /* LINTED */
putchar(c);
p->ps->pdfbytes++;
return;
p->ps->psmarg[pos] = '\0';
}
-
static void
pdf_obj(struct termp *p, size_t obj)
{
if ((obj - 1) >= p->ps->pdfobjsz) {
p->ps->pdfobjsz = obj + 128;
- p->ps->pdfobjs = realloc
- (p->ps->pdfobjs,
- p->ps->pdfobjsz * sizeof(size_t));
- if (NULL == p->ps->pdfobjs) {
- perror(NULL);
- exit((int)MANDOCLEVEL_SYSERR);
- }
+ p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
+ p->ps->pdfobjsz, sizeof(size_t));
}
p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
ps_printf(p, "%zu 0 obj\n", obj);
}
-
static void
ps_closepage(struct termp *p)
{
pdf_obj(p, base + 2);
ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n");
ps_printf(p, "/Font <<\n");
- for (i = 0; i < (int)TERMFONT__MAX; i++)
+ for (i = 0; i < (int)TERMFONT__MAX; i++)
ps_printf(p, "/F%d %d 0 R\n", i, 3 + i);
ps_printf(p, ">>\n>>\n");
p->ps->flags |= PS_NEWPAGE;
}
-
-/* ARGSUSED */
static void
ps_end(struct termp *p)
{
ps_printf(p, "%%%%Pages: %zu\n", p->ps->pages);
ps_printf(p, "%%%%EOF\n");
return;
- }
+ }
pdf_obj(p, 2);
ps_printf(p, "<<\n/Type /Pages\n");
ps_printf(p, "/Kids [");
for (i = 0; i < p->ps->pages; i++)
- ps_printf(p, " %zu 0 R", i * 4 +
- p->ps->pdfbody + 3);
+ ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
- base = (p->ps->pages - 1) * 4 +
- p->ps->pdfbody + 4;
+ base = (p->ps->pages - 1) * 4 + p->ps->pdfbody + 4;
ps_printf(p, "]\n>>\nendobj\n");
pdf_obj(p, base);
ps_printf(p, "0000000000 65535 f \n");
for (i = 0; i < base; i++)
- ps_printf(p, "%.10zu 00000 n \n",
- p->ps->pdfobjs[(int)i]);
+ ps_printf(p, "%.10zu 00000 n \n",
+ p->ps->pdfobjs[(int)i]);
ps_printf(p, "trailer\n");
ps_printf(p, "<<\n");
ps_printf(p, "%%%%EOF\n");
}
-
static void
ps_begin(struct termp *p)
{
- time_t t;
int i;
- /*
+ /*
* Print margins into margin buffer. Nothing gets output to the
* screen yet, so we don't need to initialise the primary state.
*/
assert(p->ps->psmarg);
assert('\0' != p->ps->psmarg[0]);
- /*
+ /*
* Print header and initialise page state. Following this,
* 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");
ps_printf(p, "%%%%PageOrder: Ascend\n");
ps_printf(p, "%%%%DocumentMedia: "
- "Default %zu %zu 0 () ()\n",
- (size_t)AFM2PNT(p, p->ps->width),
- (size_t)AFM2PNT(p, p->ps->height));
+ "Default %zu %zu 0 () ()\n",
+ (size_t)AFM2PNT(p, p->ps->width),
+ (size_t)AFM2PNT(p, p->ps->height));
ps_printf(p, "%%%%DocumentNeededResources: font");
for (i = 0; i < (int)TERMFONT__MAX; i++)
ps_printf(p, "<<\n");
ps_printf(p, "/Type /Font\n");
ps_printf(p, "/Subtype /Type1\n");
- ps_printf(p, "/Name /F%zu\n", i);
+ ps_printf(p, "/Name /F%d\n", i);
ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
ps_printf(p, ">>\n");
}
ps_setfont(p, TERMFONT_NONE);
}
-
static void
ps_pletter(struct termp *p, int c)
{
if (PS_NEWPAGE & p->ps->flags) {
if (TERMTYPE_PS == p->type) {
- ps_printf(p, "%%%%Page: %zu %zu\n",
- p->ps->pages + 1,
- p->ps->pages + 1);
- ps_printf(p, "/%s %zu selectfont\n",
- fonts[(int)p->ps->lastf].name,
- p->ps->scale);
+ ps_printf(p, "%%%%Page: %zu %zu\n",
+ p->ps->pages + 1, p->ps->pages + 1);
+ ps_printf(p, "/%s %zu selectfont\n",
+ fonts[(int)p->ps->lastf].name,
+ p->ps->scale);
} else {
- pdf_obj(p, p->ps->pdfbody +
- p->ps->pages * 4);
+ pdf_obj(p, p->ps->pdfbody +
+ p->ps->pages * 4);
ps_printf(p, "<<\n");
- ps_printf(p, "/Length %zu 0 R\n",
- p->ps->pdfbody + 1 +
- p->ps->pages * 4);
+ ps_printf(p, "/Length %zu 0 R\n",
+ p->ps->pdfbody + 1 + p->ps->pages * 4);
ps_printf(p, ">>\nstream\n");
}
p->ps->pdflastpg = p->ps->pdfbytes;
p->ps->flags &= ~PS_NEWPAGE;
}
-
+
/*
* If we're not in a PostScript "word" context, then open one
* now at the current cursor.
if ( ! (PS_INLINE & p->ps->flags)) {
if (TERMTYPE_PS != p->type) {
- ps_printf(p, "BT\n/F%d %zu Tf\n",
- (int)p->ps->lastf,
- p->ps->scale);
+ ps_printf(p, "BT\n/F%d %zu Tf\n",
+ (int)p->ps->lastf, p->ps->scale);
ps_printf(p, "%.3f %.3f Td\n(",
- AFM2PNT(p, p->ps->pscol),
- AFM2PNT(p, p->ps->psrow));
+ AFM2PNT(p, p->ps->pscol),
+ AFM2PNT(p, p->ps->psrow));
} else
- ps_printf(p, "%.3f %.3f moveto\n(",
- AFM2PNT(p, p->ps->pscol),
- AFM2PNT(p, p->ps->psrow));
+ ps_printf(p, "%.3f %.3f moveto\n(",
+ AFM2PNT(p, p->ps->pscol),
+ AFM2PNT(p, p->ps->psrow));
p->ps->flags |= PS_INLINE;
}
*/
switch (c) {
- case ('('):
- /* FALLTHROUGH */
- case (')'):
- /* FALLTHROUGH */
- case ('\\'):
+ case '(':
+ case ')':
+ case '\\':
ps_putchar(p, '\\');
break;
default:
f = (int)p->ps->lastf;
- if (c <= 32 || (c - 32 >= MAXCHAR)) {
- ps_putchar(p, ' ');
- p->ps->pscol += (size_t)fonts[f].gly[0].wx;
- return;
- }
+ if (c <= 32 || c - 32 >= MAXCHAR)
+ c = 32;
ps_putchar(p, (char)c);
c -= 32;
p->ps->pscol += (size_t)fonts[f].gly[c].wx;
}
-
static void
ps_pclose(struct termp *p)
{
- /*
+ /*
* Spit out that we're exiting a word context (this is a
* "partial close" because we don't check the last-char buffer
* or anything).
if ( ! (PS_INLINE & p->ps->flags))
return;
-
+
if (TERMTYPE_PS != p->type) {
ps_printf(p, ") Tj\nET\n");
} else
p->ps->flags &= ~PS_INLINE;
}
-
static void
ps_fclose(struct termp *p)
{
* Following this, close out any scope that's open.
*/
- if ('\0' != p->ps->last) {
- if (p->ps->lastf != TERMFONT_NONE) {
+ if (p->ps->last != '\0') {
+ assert( ! (p->ps->flags & PS_BACKSP));
+ if (p->ps->nextf != p->ps->lastf) {
ps_pclose(p);
- ps_setfont(p, TERMFONT_NONE);
+ ps_setfont(p, p->ps->nextf);
}
+ p->ps->nextf = TERMFONT_NONE;
ps_pletter(p, p->ps->last);
p->ps->last = '\0';
}
ps_pclose(p);
}
-
static void
ps_letter(struct termp *p, int arg)
{
- char cc, c;
+ size_t savecol, wx;
+ char c;
- /* LINTED */
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;
+ }
+ p->ps->last = c;
+ p->ps->flags &= ~PS_BACKSP;
+ return;
+ }
+ 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;
}
- } else if (p->ps->lastf != TERMFONT_BOLD) {
+ p->ps->flags &= ~PS_BACKSP;
+ return;
+ }
+
+ /*
+ * 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.
+ */
+
+ if (p->ps->last != '\0') {
+ if (p->ps->nextf != p->ps->lastf) {
ps_pclose(p);
- ps_setfont(p, TERMFONT_BOLD);
+ ps_setfont(p, p->ps->nextf);
}
- p->ps->last = c;
- return;
- } else {
- if (p->ps->lastf != TERMFONT_NONE) {
+ 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);
- ps_setfont(p, TERMFONT_NONE);
+ p->ps->pscol = p->ps->pscolnext;
}
- cc = p->ps->last;
- p->ps->last = c;
- c = cc;
}
- ps_pletter(p, c);
-}
+ /*
+ * Do not print the current character yet because font
+ * instructions might follow; only remember it.
+ * For the first character, nothing else is done.
+ * The final character will get printed from ps_fclose().
+ */
+
+ 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
ps_advance(struct termp *p, size_t len)
p->ps->pscol += len;
}
-
static void
ps_endline(struct termp *p)
{
/*
* If we're in the margin, don't try to recalculate our current
* row. XXX: if the column tries to be fancy with multiple
- * lines, we'll do nasty stuff.
+ * lines, we'll do nasty stuff.
*/
if (PS_MARGINS & p->ps->flags)
* showpage and restart our row.
*/
- if (p->ps->psrow >= p->ps->lineheight +
- p->ps->bottom) {
+ if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
p->ps->psrow -= p->ps->lineheight;
return;
}
ps_closepage(p);
}
-
static void
ps_setfont(struct termp *p, enum termfont f)
{
assert(f < TERMFONT__MAX);
p->ps->lastf = f;
-
+
/*
* If we're still at the top of the page, let the font-setting
* be delayed until we actually have stuff to print.
return;
if (TERMTYPE_PS == p->type)
- ps_printf(p, "/%s %zu selectfont\n",
- fonts[(int)f].name,
- p->ps->scale);
+ ps_printf(p, "/%s %zu selectfont\n",
+ fonts[(int)f].name, p->ps->scale);
else
- ps_printf(p, "/F%d %zu Tf\n",
- (int)f,
- p->ps->scale);
+ ps_printf(p, "/F%d %zu Tf\n",
+ (int)f, p->ps->scale);
}
-
-/* ARGSUSED */
static size_t
ps_width(const struct termp *p, int c)
{
if (c <= 32 || c - 32 >= MAXCHAR)
- return((size_t)fonts[(int)TERMFONT_NONE].gly[0].wx);
+ c = 0;
+ else
+ c -= 32;
- 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);
+ 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_IN):
- r = PNT2AFM(p, su->scale * 72);
+ case SCALE_CM:
+ r = PNT2AFM(p, su->scale * 72.0 / 2.54);
break;
- case (SCALE_PC):
- r = PNT2AFM(p, su->scale * 12);
- break;
- case (SCALE_PT):
- r = PNT2AFM(p, su->scale * 100);
+ case SCALE_EM:
+ r = su->scale *
+ fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
break;
- case (SCALE_EM):
+ case SCALE_EN:
r = su->scale *
- fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
+ fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
break;
- case (SCALE_MM):
- r = PNT2AFM(p, su->scale * 2.834);
+ case SCALE_IN:
+ r = PNT2AFM(p, su->scale * 72.0);
break;
- case (SCALE_EN):
+ case SCALE_MM:
r = su->scale *
- fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
+ fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
break;
- case (SCALE_VS):
+ 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;
default:
break;
}
- return(r);
+ return r * 24.0;
}
static void
sz = PS_BUFSLOP;
p->ps->psmargsz += sz;
-
- p->ps->psmarg = mandoc_realloc
- (p->ps->psmarg, p->ps->psmargsz);
+ p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
}
-
git.ckatri.com / mandoc.git / blobdiff