-/* $Id: term_ps.c,v 1.46 2011/01/25 17:32:04 kristaps Exp $ */
+/* $Id: term_ps.c,v 1.92 2020/09/06 14:45:22 schwarze Exp $ */
/*
- * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * 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
* 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 */ \
- (size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale))
+#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 */ \
- ((double)(x) / (1000.0 / (double)(p)->engine.ps.scale))
+#define AFM2PNT(p, x) \
+ ((double)(x) / (1000.0 / (double)(p)->ps->scale))
struct glyph {
unsigned short wx; /* WX in AFM */
struct glyph gly[MAXCHAR]; /* glyph metrics */
};
+struct termp_ps {
+ int flags;
+#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) */
+ 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 */
+ 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 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 */
+ 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 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 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_begin(struct termp *);
+static void ps_closepage(struct termp *);
+static void ps_end(struct termp *);
+static void ps_endline(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);
+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 manoutput *, enum termtype);
+static void pdf_obj(struct termp *, size_t);
+
/*
* We define, for the time being, three fonts: bold, oblique/italic, and
* normal (roman). The following table hard-codes the font metrics for
{ 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 },
+ } },
};
-/* These work the buffer used by the header and footer. */
-#define PS_BUFSLOP 128
-
-static void
-ps_growbuf(struct termp *p, size_t sz)
-{
- if (p->engine.ps.psmargcur + sz <= p->engine.ps.psmargsz)
- return;
-
- if (sz < PS_BUFSLOP)
- sz = PS_BUFSLOP;
-
- p->engine.ps.psmargsz += sz;
-
- p->engine.ps.psmarg = realloc
- (p->engine.ps.psmarg,
- p->engine.ps.psmargsz);
-
- if (NULL == p->engine.ps.psmarg) {
- perror(NULL);
- exit((int)MANDOCLEVEL_SYSERR);
- }
-}
-
-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_closepage(struct termp *);
-static void ps_end(struct termp *);
-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 *, int);
-static void ps_printf(struct termp *, const char *, ...);
-static void ps_putchar(struct termp *, char);
-static void ps_setfont(struct termp *, enum termfont);
-static struct termp *pspdf_alloc(char *);
-static void pdf_obj(struct termp *, size_t);
-
-
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 pspdf_alloc(outopts, TERMTYPE_PDF);
}
-
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 pspdf_alloc(outopts, TERMTYPE_PS);
}
-
static struct termp *
-pspdf_alloc(char *outopts)
+pspdf_alloc(const struct manoutput *outopts, enum termtype type)
{
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(*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(*p->fontq));
+ p->fontq[0] = p->fontl = TERMFONT_NONE;
+ p->ps = mandoc_calloc(1, sizeof(*p->ps));
p->advance = ps_advance;
p->begin = ps_begin;
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). */
+ p->ps->medianame = "Letter";
pagex = 216;
pagey = 279;
* only happens once, I'm not terribly concerned.
*/
- if (pp && strcasecmp(pp, "letter")) {
- if (0 == strcasecmp(pp, "a3")) {
+ pp = outopts->paper;
+ 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, "%zux%zu", &pagex, &pagey))
- fprintf(stderr, "%s: Unknown paper\n", pp);
- } else if (NULL == pp)
- pp = "letter";
+ } else if (sscanf(pp, "%ux%u", &pagex, &pagey) == 2)
+ p->ps->medianame = "CustomSize";
+ else
+ warnx("%s: Unknown paper", pp);
+ }
- /*
+ /*
* This MUST be defined before any PNT2AFM or AFM2PNT
* calculations occur.
*/
- p->engine.ps.scale = 11;
+ p->ps->scale = 11;
/* 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. */
- 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->engine.ps.scale * 1.4));
+ lineheight = PNT2AFM(p, ((double)p->ps->scale * 1.4));
- p->engine.ps.width = pagex;
- p->engine.ps.height = pagey;
- p->engine.ps.header = pagey - (marginy / 2) - (lineheight / 2);
- p->engine.ps.top = pagey - marginy;
- p->engine.ps.footer = (marginy / 2) - (lineheight / 2);
- p->engine.ps.bottom = marginy;
- p->engine.ps.left = marginx;
- p->engine.ps.lineheight = lineheight;
+ 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->bottom = marginy;
+ p->ps->left = marginx;
+ 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->engine.ps.psmarg)
- free(p->engine.ps.psmarg);
- if (p->engine.ps.pdfobjs)
- free(p->engine.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, ...)
{
* into our growable margin buffer.
*/
- if ( ! (PS_MARGINS & p->engine.ps.flags)) {
+ if ( ! (PS_MARGINS & p->ps->flags)) {
len = vprintf(fmt, ap);
va_end(ap);
- p->engine.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->engine.ps.psmargcur;
- len = vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap);
+ pos = (int)p->ps->psmargcur;
+ vsnprintf(&p->ps->psmarg[pos], PS_BUFSLOP, fmt, ap);
va_end(ap);
- p->engine.ps.psmargcur = strlen(p->engine.ps.psmarg);
+ p->ps->psmargcur = strlen(p->ps->psmarg);
}
-
static void
ps_putchar(struct termp *p, char c)
{
/* See ps_printf(). */
- if ( ! (PS_MARGINS & p->engine.ps.flags)) {
- /* LINTED */
+ if ( ! (PS_MARGINS & p->ps->flags)) {
putchar(c);
- p->engine.ps.pdfbytes++;
+ p->ps->pdfbytes++;
return;
}
ps_growbuf(p, 2);
- pos = (int)p->engine.ps.psmargcur++;
- p->engine.ps.psmarg[pos++] = c;
- p->engine.ps.psmarg[pos] = '\0';
+ pos = (int)p->ps->psmargcur++;
+ p->ps->psmarg[pos++] = c;
+ p->ps->psmarg[pos] = '\0';
}
-
static void
pdf_obj(struct termp *p, size_t obj)
{
assert(obj > 0);
- if ((obj - 1) >= p->engine.ps.pdfobjsz) {
- p->engine.ps.pdfobjsz = obj + 128;
- p->engine.ps.pdfobjs = realloc
- (p->engine.ps.pdfobjs,
- p->engine.ps.pdfobjsz * sizeof(size_t));
- if (NULL == p->engine.ps.pdfobjs) {
- perror(NULL);
- exit((int)MANDOCLEVEL_SYSERR);
- }
+ if ((obj - 1) >= p->ps->pdfobjsz) {
+ p->ps->pdfobjsz = obj + 128;
+ p->ps->pdfobjs = mandoc_reallocarray(p->ps->pdfobjs,
+ p->ps->pdfobjsz, sizeof(size_t));
}
- p->engine.ps.pdfobjs[(int)obj - 1] = p->engine.ps.pdfbytes;
+ p->ps->pdfobjs[(int)obj - 1] = p->ps->pdfbytes;
ps_printf(p, "%zu 0 obj\n", obj);
}
-
static void
ps_closepage(struct termp *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.
*/
- assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
- ps_printf(p, "%s", p->engine.ps.psmarg);
+ assert(p->ps->psmarg && p->ps->psmarg[0]);
+ ps_printf(p, "%s", p->ps->psmarg);
if (TERMTYPE_PS != p->type) {
- ps_printf(p, "ET\n");
-
- len = p->engine.ps.pdfbytes - p->engine.ps.pdflastpg;
- base = p->engine.ps.pages * 4 + p->engine.ps.pdfbody;
+ len = p->ps->pdfbytes - p->ps->pdflastpg;
+ base = p->ps->pages * 4 + p->ps->pdfbody;
ps_printf(p, "endstream\nendobj\n");
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");
+ ps_printf(p, ">>\n>>\nendobj\n");
/* Page node. */
pdf_obj(p, base + 3);
} else
ps_printf(p, "showpage\n");
- p->engine.ps.pages++;
- p->engine.ps.psrow = p->engine.ps.top;
- assert( ! (PS_NEWPAGE & p->engine.ps.flags));
- p->engine.ps.flags |= PS_NEWPAGE;
+ p->ps->pages++;
+ p->ps->psrow = p->ps->top;
+ assert( ! (PS_NEWPAGE & p->ps->flags));
+ p->ps->flags |= PS_NEWPAGE;
}
-
-/* ARGSUSED */
static void
ps_end(struct termp *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
* well as just one.
*/
- if ( ! (PS_NEWPAGE & p->engine.ps.flags)) {
- assert(0 == p->engine.ps.flags);
- assert('\0' == p->engine.ps.last);
+ if ( ! (PS_NEWPAGE & p->ps->flags)) {
+ assert(0 == p->ps->flags);
+ assert('\0' == p->ps->last);
ps_closepage(p);
}
if (TERMTYPE_PS == p->type) {
ps_printf(p, "%%%%Trailer\n");
- ps_printf(p, "%%%%Pages: %zu\n", p->engine.ps.pages);
+ 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, "/MediaBox [0 0 %zu %zu]\n",
- (size_t)AFM2PNT(p, p->engine.ps.width),
- (size_t)AFM2PNT(p, p->engine.ps.height));
+ (size_t)AFM2PNT(p, p->ps->width),
+ (size_t)AFM2PNT(p, p->ps->height));
- ps_printf(p, "/Count %zu\n", p->engine.ps.pages);
+ ps_printf(p, "/Count %zu\n", p->ps->pages);
ps_printf(p, "/Kids [");
- for (i = 0; i < p->engine.ps.pages; i++)
- ps_printf(p, " %zu 0 R", i * 4 +
- p->engine.ps.pdfbody + 3);
+ for (i = 0; i < p->ps->pages; i++)
+ ps_printf(p, " %zu 0 R", i * 4 + p->ps->pdfbody + 3);
- base = (p->engine.ps.pages - 1) * 4 +
- p->engine.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, "<<\n");
ps_printf(p, "/Type /Catalog\n");
ps_printf(p, "/Pages 2 0 R\n");
- ps_printf(p, ">>\n");
- xref = p->engine.ps.pdfbytes;
+ ps_printf(p, ">>\nendobj\n");
+ xref = p->ps->pdfbytes;
ps_printf(p, "xref\n");
ps_printf(p, "0 %zu\n", base + 1);
ps_printf(p, "0000000000 65535 f \n");
for (i = 0; i < base; i++)
- ps_printf(p, "%.10zu 00000 n \n",
- p->engine.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;
+ size_t width, height;
int i;
- /*
+ /*
* Print margins into margin buffer. Nothing gets output to the
* screen yet, so we don't need to initialise the primary state.
*/
- if (p->engine.ps.psmarg) {
- assert(p->engine.ps.psmargsz);
- p->engine.ps.psmarg[0] = '\0';
+ if (p->ps->psmarg) {
+ assert(p->ps->psmargsz);
+ p->ps->psmarg[0] = '\0';
}
- /*p->engine.ps.pdfbytes = 0;*/
- p->engine.ps.psmargcur = 0;
- p->engine.ps.flags = PS_MARGINS;
- p->engine.ps.pscol = p->engine.ps.left;
- p->engine.ps.psrow = p->engine.ps.header;
+ /*p->ps->pdfbytes = 0;*/
+ p->ps->psmargcur = 0;
+ 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);
(*p->headf)(p, p->argf);
(*p->endline)(p);
- p->engine.ps.pscol = p->engine.ps.left;
- p->engine.ps.psrow = p->engine.ps.footer;
+ p->ps->pscol = p->ps->left;
+ p->ps->psrow = p->ps->footer;
(*p->footf)(p, p->argf);
(*p->endline)(p);
- p->engine.ps.flags &= ~PS_MARGINS;
+ p->ps->flags &= ~PS_MARGINS;
- assert(0 == p->engine.ps.flags);
- assert(p->engine.ps.psmarg);
- assert('\0' != p->engine.ps.psmarg[0]);
+ assert(0 == p->ps->flags);
+ 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) {
+ width = AFM2PNT(p, p->ps->width);
+ height = AFM2PNT(p, p->ps->height);
+
ps_printf(p, "%%!PS-Adobe-3.0\n");
- ps_printf(p, "%%%%Creator: mandoc-%s\n", VERSION);
- 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->engine.ps.width),
- (size_t)AFM2PNT(p, p->engine.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, "<<\n");
- ps_printf(p, "/Creator mandoc-%s\n", VERSION);
ps_printf(p, ">>\n");
ps_printf(p, "endobj\n");
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_printf(p, ">>\nendobj\n");
}
}
- p->engine.ps.pdfbody = (size_t)TERMFONT__MAX + 3;
- p->engine.ps.pscol = p->engine.ps.left;
- p->engine.ps.psrow = p->engine.ps.top;
- p->engine.ps.flags |= PS_NEWPAGE;
+ p->ps->pdfbody = (size_t)TERMFONT__MAX + 3;
+ p->ps->pscol = p->ps->left;
+ p->ps->psrow = p->ps->top;
+ p->ps->flags |= PS_NEWPAGE;
ps_setfont(p, TERMFONT_NONE);
}
-
static void
ps_pletter(struct termp *p, int c)
{
* in a new page and make sure the font is correctly set.
*/
- if (PS_NEWPAGE & p->engine.ps.flags) {
+ if (PS_NEWPAGE & p->ps->flags) {
if (TERMTYPE_PS == p->type) {
- ps_printf(p, "%%%%Page: %zu %zu\n",
- p->engine.ps.pages + 1,
- p->engine.ps.pages + 1);
- ps_printf(p, "/%s %zu selectfont\n",
- fonts[(int)p->engine.ps.lastf].name,
- p->engine.ps.scale);
+ ps_printf(p, "%%%%Page: %zu %zu\n",
+ p->ps->pages + 1, p->ps->pages + 1);
+ ps_printf(p, "f%d\n", (int)p->ps->lastf);
} else {
- pdf_obj(p, p->engine.ps.pdfbody +
- p->engine.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->engine.ps.pdfbody + 1 +
- p->engine.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->engine.ps.pdflastpg = p->engine.ps.pdfbytes;
- p->engine.ps.flags &= ~PS_NEWPAGE;
+ 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->engine.ps.flags)) {
+ if ( ! (PS_INLINE & p->ps->flags)) {
if (TERMTYPE_PS != p->type) {
- ps_printf(p, "BT\n/F%d %zu Tf\n",
- (int)p->engine.ps.lastf,
- p->engine.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->engine.ps.pscol),
- AFM2PNT(p, p->engine.ps.psrow));
- } else
- ps_printf(p, "%.3f %.3f moveto\n(",
- AFM2PNT(p, p->engine.ps.pscol),
- AFM2PNT(p, p->engine.ps.psrow));
- p->engine.ps.flags |= PS_INLINE;
+ 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;
}
- assert( ! (PS_NEWPAGE & p->engine.ps.flags));
+ assert( ! (PS_NEWPAGE & p->ps->flags));
/*
* We need to escape these characters as per the PostScript
*/
switch (c) {
- case ('('):
- /* FALLTHROUGH */
- case (')'):
- /* FALLTHROUGH */
- case ('\\'):
+ case '(':
+ case ')':
+ case '\\':
ps_putchar(p, '\\');
break;
default:
/* Write the character and adjust where we are on the page. */
- f = (int)p->engine.ps.lastf;
+ f = (int)p->ps->lastf;
- if (c <= 32 || (c - 32 >= MAXCHAR)) {
- ps_putchar(p, ' ');
- p->engine.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->engine.ps.pscol += (size_t)fonts[f].gly[c].wx;
+ 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->engine.ps.flags))
+ 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->engine.ps.flags &= ~PS_INLINE;
+ 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->engine.ps.last) {
- if (p->engine.ps.lastf != TERMFONT_NONE) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_NONE);
- }
- ps_pletter(p, p->engine.ps.last);
- p->engine.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->engine.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, char c)
+ps_letter(struct termp *p, int arg)
{
- char cc;
+ 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->engine.ps.last) {
- assert(8 != c);
- p->engine.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->engine.ps.last) {
- assert(8 != c);
- p->engine.ps.last = '\0';
- } else if (8 == c) {
- assert(8 != p->engine.ps.last);
- if ('_' == p->engine.ps.last) {
- if (p->engine.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->engine.ps.lastf != TERMFONT_BOLD) {
- ps_pclose(p);
- ps_setfont(p, TERMFONT_BOLD);
+ p->ps->last = c;
+ p->ps->flags &= ~PS_BACKSP;
+ return;
}
- p->engine.ps.last = c;
- return;
- } else {
- if (p->engine.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->engine.ps.last;
- p->engine.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
ps_advance(struct termp *p, size_t len)
* and readjust our column settings.
*/
- ps_fclose(p);
- p->engine.ps.pscol += len;
+ ps_plast(p);
+ ps_pclose(p);
+ p->ps->pscol += len;
}
-
static void
ps_endline(struct termp *p)
{
/* 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
* 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->engine.ps.flags)
+ if (PS_MARGINS & p->ps->flags)
return;
/* Left-justify. */
- p->engine.ps.pscol = p->engine.ps.left;
+ p->ps->pscol = p->ps->left;
/* If we haven't printed anything, return. */
- if (PS_NEWPAGE & p->engine.ps.flags)
+ if (PS_NEWPAGE & p->ps->flags)
return;
/*
* showpage and restart our row.
*/
- if (p->engine.ps.psrow >= p->engine.ps.lineheight +
- p->engine.ps.bottom) {
- p->engine.ps.psrow -= p->engine.ps.lineheight;
+ if (p->ps->psrow >= p->ps->lineheight + p->ps->bottom) {
+ p->ps->psrow -= p->ps->lineheight;
return;
}
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
ps_setfont(struct termp *p, enum termfont f)
{
assert(f < TERMFONT__MAX);
- p->engine.ps.lastf = f;
-
+ 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.
*/
- if (PS_NEWPAGE & p->engine.ps.flags)
+ if (PS_NEWPAGE & p->ps->flags)
return;
if (TERMTYPE_PS == p->type)
- ps_printf(p, "/%s %zu selectfont\n",
- fonts[(int)f].name,
- p->engine.ps.scale);
+ ps_printf(p, "f%d\n", (int)f);
else
- ps_printf(p, "/F%d %zu Tf\n",
- (int)f,
- p->engine.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, char c)
+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[(int)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);
+ 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);
+ case SCALE_CM:
+ r = PNT2AFM(p, su->scale * 72.0 / 2.54);
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_PC:
+ r = PNT2AFM(p, su->scale * 12.0);
break;
- case (SCALE_VS):
- r = su->scale * p->engine.ps.lineheight;
+ case SCALE_PT:
+ r = PNT2AFM(p, su->scale * 1.0);
+ break;
+ case SCALE_VS:
+ r = su->scale * p->ps->lineheight;
break;
default:
r = su->scale;
break;
}
- return(r);
+ return r * 24.0;
}
+static void
+ps_growbuf(struct termp *p, size_t sz)
+{
+ if (p->ps->psmargcur + sz <= p->ps->psmargsz)
+ return;
+
+ if (sz < PS_BUFSLOP)
+ sz = PS_BUFSLOP;
+
+ p->ps->psmargsz += sz;
+ p->ps->psmarg = mandoc_realloc(p->ps->psmarg, p->ps->psmargsz);
+}
git.ckatri.com / mandoc.git / blobdiff