version 1.27, 2010/07/04 10:53:04 |
version 1.36, 2010/07/21 08:24:39 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include "main.h" |
#include "main.h" |
#include "term.h" |
#include "term.h" |
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#define MINMARGIN_MM 20 /* Minimum 2cm margins. */ |
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#define MINMARGIN_PNT 56.68 |
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#define DEFPAGEX_MM 216 /* Default page size is US-letter. */ |
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#define DEFPAGEY_MM 279 |
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/* Convert PostScript point "x" to an AFM unit. */ |
/* Convert PostScript point "x" to an AFM unit. */ |
#define PNT2AFM(p, x) /* LINTED */ \ |
#define PNT2AFM(p, x) /* LINTED */ \ |
(size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale)) |
(size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale)) |
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/* Convert an AFM unit "x" to a PostScript points */ |
/* Convert an AFM unit "x" to a PostScript points */ |
#define AFM2PNT(p, x) /* LINTED */ \ |
#define AFM2PNT(p, x) /* LINTED */ \ |
(size_t)((double)(x) / (1000.0 / (double)(p)->engine.ps.scale)) |
((double)(x) / (1000.0 / (double)(p)->engine.ps.scale)) |
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struct glyph { |
struct glyph { |
size_t wx; /* WX in AFM */ |
unsigned short wx; /* WX in AFM */ |
}; |
}; |
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struct font { |
struct font { |
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ps_alloc(char *outopts) |
ps_alloc(char *outopts) |
{ |
{ |
struct termp *p; |
struct termp *p; |
size_t pagex, pagey, margin, lineheight, m1, m2; |
size_t pagex, pagey, marginx, marginy, lineheight; |
const char *toks[2]; |
const char *toks[2]; |
const char *pp; |
const char *pp; |
char *v; |
char *v; |
Line 426 ps_alloc(char *outopts) |
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Line 421 ps_alloc(char *outopts) |
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/* Default to US letter (millimetres). */ |
/* Default to US letter (millimetres). */ |
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pagex = DEFPAGEX_MM; |
pagex = 216; |
pagey = DEFPAGEY_MM; |
pagey = 279; |
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/* |
/* |
* The ISO-269 paper sizes can be calculated automatically, but |
* The ISO-269 paper sizes can be calculated automatically, but |
Line 454 ps_alloc(char *outopts) |
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Line 449 ps_alloc(char *outopts) |
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} else if (NULL == pp) |
} else if (NULL == pp) |
pp = "letter"; |
pp = "letter"; |
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/* Enforce minimum page size >= (2 times) min-margin. */ |
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if ((2 * MINMARGIN_MM) >= pagex) { |
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fprintf(stderr, "%s: Insufficient page width\n", pp); |
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pagex = DEFPAGEX_MM; |
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} else if ((2 * MINMARGIN_MM >= pagey)) { |
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fprintf(stderr, "%s: Insufficient page length\n", pp); |
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pagey = DEFPAGEY_MM; |
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} |
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/* |
/* |
* This MUST be defined before any PNT2AFM or AFM2PNT |
* This MUST be defined before any PNT2AFM or AFM2PNT |
* calculations occur. |
* calculations occur. |
Line 476 ps_alloc(char *outopts) |
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Line 461 ps_alloc(char *outopts) |
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pagex = PNT2AFM(p, ((double)pagex * 2.834)); |
pagex = PNT2AFM(p, ((double)pagex * 2.834)); |
pagey = PNT2AFM(p, ((double)pagey * 2.834)); |
pagey = PNT2AFM(p, ((double)pagey * 2.834)); |
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/* |
/* Margins are 1/9 the page x and y. */ |
* Calculate margins. First get the minimum text width: either |
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* page minus margins or width of 65 'm' characters. Set total |
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* margins to page size minus text width. |
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*/ |
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m1 = ps_width(p, 'm') * 65; |
marginx = /* LINTED */ |
m2 = pagex - (2 * PNT2AFM(p, MINMARGIN_PNT)); |
(size_t)((double)pagex / 9.0); |
margin = (pagex - (m1 < m2 ? m1 : m2)) / 2; |
marginy = /* LINTED */ |
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(size_t)((double)pagey / 9.0); |
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lineheight = PNT2AFM(p, 16); |
/* Line-height is 1.4em. */ |
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lineheight = PNT2AFM(p, ((double)p->engine.ps.scale * 1.4)); |
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p->engine.ps.width = pagex; |
p->engine.ps.width = pagex; |
p->engine.ps.height = pagey; |
p->engine.ps.height = pagey; |
p->engine.ps.header = pagey - (margin / 2) - (lineheight / 2); |
p->engine.ps.header = pagey - (marginy / 2) - (lineheight / 2); |
p->engine.ps.top = pagey - margin; |
p->engine.ps.top = pagey - marginy; |
p->engine.ps.footer = (margin / 2) - (lineheight / 2); |
p->engine.ps.footer = (marginy / 2) - (lineheight / 2); |
p->engine.ps.bottom = margin; |
p->engine.ps.bottom = marginy; |
p->engine.ps.left = margin; |
p->engine.ps.left = marginx; |
p->engine.ps.lineheight = lineheight; |
p->engine.ps.lineheight = lineheight; |
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p->defrmargin = pagex - (margin * 2); |
p->defrmargin = pagex - (marginx * 2); |
return(p); |
return(p); |
} |
} |
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Line 530 ps_printf(struct termp *p, const char *fmt, ...) |
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Line 514 ps_printf(struct termp *p, const char *fmt, ...) |
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* into our growable margin buffer. |
* into our growable margin buffer. |
*/ |
*/ |
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if ( ! (PS_MARGINS & p->engine.ps.psstate)) { |
if ( ! (PS_MARGINS & p->engine.ps.flags)) { |
vprintf(fmt, ap); |
vprintf(fmt, ap); |
va_end(ap); |
va_end(ap); |
return; |
return; |
Line 559 ps_putchar(struct termp *p, char c) |
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Line 543 ps_putchar(struct termp *p, char c) |
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/* See ps_printf(). */ |
/* See ps_printf(). */ |
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if ( ! (PS_MARGINS & p->engine.ps.psstate)) { |
if ( ! (PS_MARGINS & p->engine.ps.flags)) { |
putchar(c); |
putchar(c); |
return; |
return; |
} |
} |
Line 583 ps_end(struct termp *p) |
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Line 567 ps_end(struct termp *p) |
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* well as just one. |
* well as just one. |
*/ |
*/ |
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assert(0 == p->engine.ps.psstate); |
if ( ! (PS_NEWPAGE & p->engine.ps.flags)) { |
assert('\0' == p->engine.ps.last); |
assert(0 == p->engine.ps.flags); |
assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]); |
assert('\0' == p->engine.ps.last); |
printf("%s", p->engine.ps.psmarg); |
assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]); |
p->engine.ps.pages++; |
printf("%s", p->engine.ps.psmarg); |
printf("showpage\n"); |
p->engine.ps.pages++; |
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printf("showpage\n"); |
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} |
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printf("%%%%Trailer\n"); |
printf("%%%%Trailer\n"); |
printf("%%%%Pages: %zu\n", p->engine.ps.pages); |
printf("%%%%Pages: %zu\n", p->engine.ps.pages); |
Line 613 ps_begin(struct termp *p) |
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Line 599 ps_begin(struct termp *p) |
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} |
} |
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p->engine.ps.psmargcur = 0; |
p->engine.ps.psmargcur = 0; |
p->engine.ps.psstate = PS_MARGINS; |
p->engine.ps.flags = PS_MARGINS; |
p->engine.ps.pscol = p->engine.ps.left; |
p->engine.ps.pscol = p->engine.ps.left; |
p->engine.ps.psrow = p->engine.ps.header; |
p->engine.ps.psrow = p->engine.ps.header; |
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Line 628 ps_begin(struct termp *p) |
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Line 614 ps_begin(struct termp *p) |
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(*p->footf)(p, p->argf); |
(*p->footf)(p, p->argf); |
(*p->endline)(p); |
(*p->endline)(p); |
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p->engine.ps.psstate &= ~PS_MARGINS; |
p->engine.ps.flags &= ~PS_MARGINS; |
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assert(0 == p->engine.ps.psstate); |
assert(0 == p->engine.ps.flags); |
assert(p->engine.ps.psmarg); |
assert(p->engine.ps.psmarg); |
assert('\0' != p->engine.ps.psmarg[0]); |
assert('\0' != p->engine.ps.psmarg[0]); |
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Line 649 ps_begin(struct termp *p) |
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Line 635 ps_begin(struct termp *p) |
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printf("%%%%Pages: (atend)\n"); |
printf("%%%%Pages: (atend)\n"); |
printf("%%%%PageOrder: Ascend\n"); |
printf("%%%%PageOrder: Ascend\n"); |
printf("%%%%DocumentMedia: Default %zu %zu 0 () ()\n", |
printf("%%%%DocumentMedia: Default %zu %zu 0 () ()\n", |
AFM2PNT(p, p->engine.ps.width), |
(size_t)AFM2PNT(p, p->engine.ps.width), |
AFM2PNT(p, p->engine.ps.height)); |
(size_t)AFM2PNT(p, p->engine.ps.height)); |
printf("%%%%DocumentNeededResources: font"); |
printf("%%%%DocumentNeededResources: font"); |
for (i = 0; i < (int)TERMFONT__MAX; i++) |
for (i = 0; i < (int)TERMFONT__MAX; i++) |
printf(" %s", fonts[i].name); |
printf(" %s", fonts[i].name); |
printf("\n%%%%EndComments\n"); |
printf("\n%%%%EndComments\n"); |
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printf("%%%%Page: %zu %zu\n", |
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p->engine.ps.pages + 1, |
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p->engine.ps.pages + 1); |
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ps_setfont(p, TERMFONT_NONE); |
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p->engine.ps.pscol = p->engine.ps.left; |
p->engine.ps.pscol = p->engine.ps.left; |
p->engine.ps.psrow = p->engine.ps.top; |
p->engine.ps.psrow = p->engine.ps.top; |
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p->engine.ps.flags |= PS_NEWPAGE; |
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ps_setfont(p, TERMFONT_NONE); |
} |
} |
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ps_pletter(struct termp *p, int c) |
ps_pletter(struct termp *p, int c) |
{ |
{ |
int f; |
int f; |
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/* |
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* If we haven't opened a page context, then output that we're |
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* in a new page and make sure the font is correctly set. |
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*/ |
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if (PS_NEWPAGE & p->engine.ps.flags) { |
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printf("%%%%Page: %zu %zu\n", |
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p->engine.ps.pages + 1, |
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p->engine.ps.pages + 1); |
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ps_printf(p, "/%s %zu selectfont\n", |
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fonts[(int)p->engine.ps.lastf].name, |
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p->engine.ps.scale); |
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p->engine.ps.flags &= ~PS_NEWPAGE; |
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} |
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/* |
/* |
* If we're not in a PostScript "word" context, then open one |
* If we're not in a PostScript "word" context, then open one |
* now at the current cursor. |
* now at the current cursor. |
*/ |
*/ |
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if ( ! (PS_INLINE & p->engine.ps.psstate)) { |
if ( ! (PS_INLINE & p->engine.ps.flags)) { |
ps_printf(p, "%zu %zu moveto\n(", |
ps_printf(p, "%.3f %.3f moveto\n(", |
AFM2PNT(p, p->engine.ps.pscol), |
AFM2PNT(p, p->engine.ps.pscol), |
AFM2PNT(p, p->engine.ps.psrow)); |
AFM2PNT(p, p->engine.ps.psrow)); |
p->engine.ps.psstate |= PS_INLINE; |
p->engine.ps.flags |= PS_INLINE; |
} |
} |
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assert( ! (PS_NEWPAGE & p->engine.ps.flags)); |
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/* |
/* |
* We need to escape these characters as per the PostScript |
* We need to escape these characters as per the PostScript |
* specification. We would also escape non-graphable characters |
* specification. We would also escape non-graphable characters |
Line 708 ps_pletter(struct termp *p, int c) |
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Line 708 ps_pletter(struct termp *p, int c) |
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if (c <= 32 || (c - 32 > MAXCHAR)) { |
if (c <= 32 || (c - 32 > MAXCHAR)) { |
ps_putchar(p, ' '); |
ps_putchar(p, ' '); |
p->engine.ps.pscol += fonts[f].gly[0].wx; |
p->engine.ps.pscol += (size_t)fonts[f].gly[0].wx; |
return; |
return; |
} |
} |
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ps_putchar(p, (char)c); |
ps_putchar(p, (char)c); |
c -= 32; |
c -= 32; |
p->engine.ps.pscol += fonts[f].gly[c].wx; |
p->engine.ps.pscol += (size_t)fonts[f].gly[c].wx; |
} |
} |
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Line 728 ps_pclose(struct termp *p) |
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Line 728 ps_pclose(struct termp *p) |
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* or anything). |
* or anything). |
*/ |
*/ |
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if ( ! (PS_INLINE & p->engine.ps.psstate)) |
if ( ! (PS_INLINE & p->engine.ps.flags)) |
return; |
return; |
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ps_printf(p, ") show\n"); |
ps_printf(p, ") show\n"); |
p->engine.ps.psstate &= ~PS_INLINE; |
p->engine.ps.flags &= ~PS_INLINE; |
} |
} |
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Line 757 ps_fclose(struct termp *p) |
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Line 757 ps_fclose(struct termp *p) |
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p->engine.ps.last = '\0'; |
p->engine.ps.last = '\0'; |
} |
} |
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if ( ! (PS_INLINE & p->engine.ps.psstate)) |
if ( ! (PS_INLINE & p->engine.ps.flags)) |
return; |
return; |
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ps_pclose(p); |
ps_pclose(p); |
Line 842 ps_endline(struct termp *p) |
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Line 842 ps_endline(struct termp *p) |
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* lines, we'll do nasty stuff. |
* lines, we'll do nasty stuff. |
*/ |
*/ |
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if (PS_MARGINS & p->engine.ps.psstate) |
if (PS_MARGINS & p->engine.ps.flags) |
return; |
return; |
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/* Left-justify. */ |
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p->engine.ps.pscol = p->engine.ps.left; |
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/* If we haven't printed anything, return. */ |
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if (PS_NEWPAGE & p->engine.ps.flags) |
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return; |
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/* |
/* |
* Put us down a line. If we're at the page bottom, spit out a |
* Put us down a line. If we're at the page bottom, spit out a |
* showpage and restart our row. |
* showpage and restart our row. |
*/ |
*/ |
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p->engine.ps.pscol = p->engine.ps.left; |
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if (p->engine.ps.psrow >= p->engine.ps.lineheight + |
if (p->engine.ps.psrow >= p->engine.ps.lineheight + |
p->engine.ps.bottom) { |
p->engine.ps.bottom) { |
p->engine.ps.psrow -= p->engine.ps.lineheight; |
p->engine.ps.psrow -= p->engine.ps.lineheight; |
Line 861 ps_endline(struct termp *p) |
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Line 869 ps_endline(struct termp *p) |
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printf("%s", p->engine.ps.psmarg); |
printf("%s", p->engine.ps.psmarg); |
printf("showpage\n"); |
printf("showpage\n"); |
p->engine.ps.pages++; |
p->engine.ps.pages++; |
printf("%%%%Page: %zu %zu\n", |
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p->engine.ps.pages + 1, |
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p->engine.ps.pages + 1); |
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p->engine.ps.psrow = p->engine.ps.top; |
p->engine.ps.psrow = p->engine.ps.top; |
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assert( ! (PS_NEWPAGE & p->engine.ps.flags)); |
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p->engine.ps.flags |= PS_NEWPAGE; |
} |
} |
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Line 873 ps_setfont(struct termp *p, enum termfont f) |
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Line 880 ps_setfont(struct termp *p, enum termfont f) |
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{ |
{ |
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assert(f < TERMFONT__MAX); |
assert(f < TERMFONT__MAX); |
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p->engine.ps.lastf = f; |
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/* |
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* If we're still at the top of the page, let the font-setting |
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* be delayed until we actually have stuff to print. |
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*/ |
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if (PS_NEWPAGE & p->engine.ps.flags) |
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return; |
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ps_printf(p, "/%s %zu selectfont\n", |
ps_printf(p, "/%s %zu selectfont\n", |
fonts[(int)f].name, p->engine.ps.scale); |
fonts[(int)f].name, p->engine.ps.scale); |
p->engine.ps.lastf = f; |
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} |
} |
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Line 885 ps_width(const struct termp *p, char c) |
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Line 901 ps_width(const struct termp *p, char c) |
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{ |
{ |
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if (c <= 32 || c - 32 >= MAXCHAR) |
if (c <= 32 || c - 32 >= MAXCHAR) |
return(fonts[(int)TERMFONT_NONE].gly[0].wx); |
return((size_t)fonts[(int)TERMFONT_NONE].gly[0].wx); |
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c -= 32; |
c -= 32; |
return(fonts[(int)TERMFONT_NONE].gly[(int)c].wx); |
return((size_t)fonts[(int)TERMFONT_NONE].gly[(int)c].wx); |
} |
} |
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Line 916 ps_hspan(const struct termp *p, const struct roffsu *s |
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Line 932 ps_hspan(const struct termp *p, const struct roffsu *s |
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r = PNT2AFM(p, su->scale * 100); |
r = PNT2AFM(p, su->scale * 100); |
break; |
break; |
case (SCALE_EM): |
case (SCALE_EM): |
r = su->scale * |
r = su->scale * |
fonts[(int)TERMFONT_NONE].gly[109 - 32].wx; |
fonts[(int)TERMFONT_NONE].gly[109 - 32].wx; |
break; |
break; |
case (SCALE_MM): |
case (SCALE_MM): |
r = PNT2AFM(p, su->scale * 2.834); |
r = PNT2AFM(p, su->scale * 2.834); |
break; |
break; |
case (SCALE_EN): |
case (SCALE_EN): |
r = su->scale * |
r = su->scale * |
fonts[(int)TERMFONT_NONE].gly[110 - 32].wx; |
fonts[(int)TERMFONT_NONE].gly[110 - 32].wx; |
break; |
break; |
case (SCALE_VS): |
case (SCALE_VS): |