-/* $Id: term_ps.c,v 1.77 2015/10/12 00:08:16 schwarze Exp $ */
+/* $Id: term_ps.c,v 1.92 2020/09/06 14:45:22 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2014,2015,2016,2017,2020 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2017 Marc Espie <espie@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
#include <sys/types.h>
#include <assert.h>
+#if HAVE_ERR
#include <err.h>
+#endif
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
size_t pscol; /* visible column (AFM units) */
size_t pscolnext; /* used for overstrike */
size_t psrow; /* visible row (AFM units) */
+ size_t lastrow; /* psrow of the previous word */
char *psmarg; /* margin buf */
size_t psmargsz; /* margin buf size */
size_t psmargcur; /* cur index in margin buf */
size_t lineheight; /* line height (AFM units) */
size_t top; /* body top (AFM units) */
size_t bottom; /* body bottom (AFM units) */
+ const char *medianame; /* for DocumentMedia and PageSize */
size_t height; /* page height (AFM units */
size_t width; /* page width (AFM units) */
size_t lastwidth; /* page width before last ll */
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, int);
-static struct termp *pspdf_alloc(const struct mchars *,
- const struct manoutput *);
+static struct termp *pspdf_alloc(const struct manoutput *, enum termtype);
static void pdf_obj(struct termp *, size_t);
/*
};
void *
-pdf_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+pdf_alloc(const struct manoutput *outopts)
{
- struct termp *p;
-
- if (NULL != (p = pspdf_alloc(mchars, outopts)))
- p->type = TERMTYPE_PDF;
-
- return p;
+ return pspdf_alloc(outopts, TERMTYPE_PDF);
}
void *
-ps_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+ps_alloc(const struct manoutput *outopts)
{
- struct termp *p;
-
- if (NULL != (p = pspdf_alloc(mchars, outopts)))
- p->type = TERMTYPE_PS;
-
- return p;
+ return pspdf_alloc(outopts, TERMTYPE_PS);
}
static struct termp *
-pspdf_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+pspdf_alloc(const struct manoutput *outopts, enum termtype type)
{
struct termp *p;
unsigned int pagex, pagey;
size_t marginx, marginy, lineheight;
const char *pp;
- p = mandoc_calloc(1, sizeof(struct termp));
- p->symtab = mchars;
+ p = mandoc_calloc(1, sizeof(*p));
+ p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
+ p->maxtcol = 1;
+ p->type = type;
+
p->enc = TERMENC_ASCII;
p->fontq = mandoc_reallocarray(NULL,
- (p->fontsz = 8), sizeof(enum termfont));
+ (p->fontsz = 8), sizeof(*p->fontq));
p->fontq[0] = p->fontl = TERMFONT_NONE;
- p->ps = mandoc_calloc(1, sizeof(struct termp_ps));
+ p->ps = mandoc_calloc(1, sizeof(*p->ps));
p->advance = ps_advance;
p->begin = ps_begin;
/* Default to US letter (millimetres). */
+ p->ps->medianame = "Letter";
pagex = 216;
pagey = 279;
*/
pp = outopts->paper;
- if (pp && strcasecmp(pp, "letter")) {
- if (0 == strcasecmp(pp, "a3")) {
+ if (pp != NULL && strcasecmp(pp, "letter") != 0) {
+ if (strcasecmp(pp, "a3") == 0) {
+ p->ps->medianame = "A3";
pagex = 297;
pagey = 420;
- } else if (0 == strcasecmp(pp, "a4")) {
+ } else if (strcasecmp(pp, "a4") == 0) {
+ p->ps->medianame = "A4";
pagex = 210;
pagey = 297;
- } else if (0 == strcasecmp(pp, "a5")) {
+ } else if (strcasecmp(pp, "a5") == 0) {
+ p->ps->medianame = "A5";
pagex = 148;
pagey = 210;
- } else if (0 == strcasecmp(pp, "legal")) {
+ } else if (strcasecmp(pp, "legal") == 0) {
+ p->ps->medianame = "Legal";
pagex = 216;
pagey = 356;
- } else if (2 != sscanf(pp, "%ux%u", &pagex, &pagey))
+ } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
+ p->ps->medianame = "CustomSize";
+ else
warnx("%s: Unknown paper", pp);
}
/* Remember millimetres -> AFM units. */
- pagex = PNT2AFM(p, ((double)pagex * 2.834));
- pagey = PNT2AFM(p, ((double)pagey * 2.834));
+ pagex = PNT2AFM(p, ((double)pagex * 72.0 / 25.4));
+ pagey = PNT2AFM(p, ((double)pagey * 72.0 / 25.4));
/* Margins are 1/9 the page x and y. */
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);
/*
* Close out a page that we've already flushed to output. In
- * PostScript, we simply note that the page must be showed. In
+ * PostScript, we simply note that the page must be shown. In
* PDF, we must now create the Length, Resource, and Page node
* for the page contents.
*/
ps_printf(p, "%s", p->ps->psmarg);
if (TERMTYPE_PS != p->type) {
- ps_printf(p, "ET\n");
-
len = p->ps->pdfbytes - p->ps->pdflastpg;
base = p->ps->pages * 4 + p->ps->pdfbody;
ps_printf(p, "/Font <<\n");
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");
+ ps_printf(p, ">>\n>>\nendobj\n");
/* Page node. */
pdf_obj(p, base + 3);
{
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
ps_printf(p, "<<\n");
ps_printf(p, "/Type /Catalog\n");
ps_printf(p, "/Pages 2 0 R\n");
- ps_printf(p, ">>\n");
+ ps_printf(p, ">>\nendobj\n");
xref = p->ps->pdfbytes;
ps_printf(p, "xref\n");
ps_printf(p, "0 %zu\n", base + 1);
static void
ps_begin(struct termp *p)
{
+ size_t width, height;
int i;
/*
p->ps->flags = PS_MARGINS;
p->ps->pscol = p->ps->left;
p->ps->psrow = p->ps->header;
+ p->ps->lastrow = 0; /* impossible row */
ps_setfont(p, TERMFONT_NONE);
*/
if (TERMTYPE_PS == p->type) {
+ width = AFM2PNT(p, p->ps->width);
+ height = AFM2PNT(p, p->ps->height);
+
ps_printf(p, "%%!PS-Adobe-3.0\n");
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));
+ ps_printf(p, "%%%%DocumentMedia: man-%s %zu %zu 0 () ()\n",
+ p->ps->medianame, width, height);
ps_printf(p, "%%%%DocumentNeededResources: font");
for (i = 0; i < (int)TERMFONT__MAX; i++)
ps_printf(p, " %s", fonts[i].name);
- ps_printf(p, "\n%%%%EndComments\n");
+ ps_printf(p, "\n%%%%DocumentSuppliedResources: "
+ "procset MandocProcs 1.0 0\n");
+ ps_printf(p, "%%%%EndComments\n");
+ ps_printf(p, "%%%%BeginProlog\n");
+ ps_printf(p, "%%%%BeginResource: procset MandocProcs "
+ "10170 10170\n");
+ /* The font size is effectively hard-coded for now. */
+ ps_printf(p, "/fs %zu def\n", p->ps->scale);
+ for (i = 0; i < (int)TERMFONT__MAX; i++)
+ ps_printf(p, "/f%d { /%s fs selectfont } def\n",
+ i, fonts[i].name);
+ ps_printf(p, "/s { 3 1 roll moveto show } bind def\n");
+ ps_printf(p, "/c { exch currentpoint exch pop "
+ "moveto show } bind def\n");
+ ps_printf(p, "%%%%EndResource\n");
+ ps_printf(p, "%%%%EndProlog\n");
+ ps_printf(p, "%%%%BeginSetup\n");
+ ps_printf(p, "%%%%BeginFeature: *PageSize %s\n",
+ p->ps->medianame);
+ ps_printf(p, "<</PageSize [%zu %zu]>>setpagedevice\n",
+ width, height);
+ ps_printf(p, "%%%%EndFeature\n");
+ ps_printf(p, "%%%%EndSetup\n");
} else {
ps_printf(p, "%%PDF-1.1\n");
pdf_obj(p, 1);
ps_printf(p, "/Subtype /Type1\n");
ps_printf(p, "/Name /F%d\n", i);
ps_printf(p, "/BaseFont /%s\n", fonts[i].name);
- ps_printf(p, ">>\n");
+ ps_printf(p, ">>\nendobj\n");
}
}
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, "f%d\n", (int)p->ps->lastf);
} else {
pdf_obj(p, p->ps->pdfbody +
p->ps->pages * 4);
ps_printf(p, "%.3f %.3f Td\n(",
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));
+ } else {
+ ps_printf(p, "%.3f", AFM2PNT(p, p->ps->pscol));
+ if (p->ps->psrow != p->ps->lastrow)
+ ps_printf(p, " %.3f",
+ AFM2PNT(p, p->ps->psrow));
+ ps_printf(p, "(");
+ }
p->ps->flags |= PS_INLINE;
}
if ( ! (PS_INLINE & p->ps->flags))
return;
- if (TERMTYPE_PS != p->type) {
+ if (TERMTYPE_PS != p->type)
ps_printf(p, ") Tj\nET\n");
- } else
- ps_printf(p, ") show\n");
+ else if (p->ps->psrow == p->ps->lastrow)
+ ps_printf(p, ")c\n");
+ else {
+ ps_printf(p, ")s\n");
+ p->ps->lastrow = p->ps->psrow;
+ }
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 (p->ps->last != '\0') {
- assert( ! (p->ps->flags & PS_BACKSP));
- if (p->ps->nextf != p->ps->lastf) {
- ps_pclose(p);
- ps_setfont(p, p->ps->nextf);
- }
- p->ps->nextf = 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)
{
- size_t savecol, wx;
+ size_t savecol;
char c;
c = arg >= 128 || arg <= 0 ? '?' : arg;
* Use them and print it.
*/
- if (p->ps->last != '\0') {
- if (p->ps->nextf != p->ps->lastf) {
- ps_pclose(p);
- 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;
- }
- }
+ ps_plast(p);
/*
* 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().
+ * instructions might follow; only remember the character.
+ * It will get printed later from ps_plast().
*/
p->ps->last = c;
* 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
}
ps_closepage(p);
+
+ if ((int)p->tcol->offset > p->ti)
+ p->tcol->offset -= p->ti;
+ else
+ p->tcol->offset = 0;
+ p->ti = 0;
}
static void
return;
if (TERMTYPE_PS == p->type)
- ps_printf(p, "/%s %zu selectfont\n",
- fonts[(int)f].name, p->ps->scale);
+ ps_printf(p, "f%d\n", (int)f);
else
ps_printf(p, "/F%d %zu Tf\n",
(int)f, p->ps->scale);