version 1.17, 2010/06/29 14:53:14 |
version 1.21, 2010/06/30 13:00:00 |
|
|
#include "main.h" |
#include "main.h" |
#include "term.h" |
#include "term.h" |
|
|
|
/* Convert PostScript point "x" to an AFM unit. */ |
|
#define PNT2AFM(p, x) \ |
|
(size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale)) |
|
|
|
/* Convert an AFM unit "x" to a PostScript points */ |
|
#define AFM2PNT(p, x) \ |
|
(size_t)((double)(x) / (1000.0 / (double)(p)->engine.ps.scale)) |
|
|
struct glyph { |
struct glyph { |
int wx; /* WX in AFM */ |
int wx; /* WX in AFM */ |
}; |
}; |
Line 359 static const struct font fonts[TERMFONT__MAX] = { |
|
Line 367 static const struct font fonts[TERMFONT__MAX] = { |
|
} while (/* CONSTCOND */ 0) |
} while (/* CONSTCOND */ 0) |
|
|
|
|
static void ps_letter(struct termp *, char); |
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_begin(struct termp *); |
static void ps_end(struct termp *); |
static void ps_end(struct termp *); |
static void ps_advance(struct termp *, size_t); |
|
static void ps_endline(struct termp *); |
static void ps_endline(struct termp *); |
static void ps_fclose(struct termp *); |
static void ps_fclose(struct termp *); |
static size_t ps_width(const struct termp *, char); |
static void ps_letter(struct termp *, char); |
static void ps_pclose(struct termp *); |
static void ps_pclose(struct termp *); |
static void ps_pletter(struct termp *, int); |
static void ps_pletter(struct termp *, int); |
static void ps_printf(struct termp *, const char *, ...); |
static void ps_printf(struct termp *, const char *, ...); |
|
|
ps_alloc(char *outopts) |
ps_alloc(char *outopts) |
{ |
{ |
struct termp *p; |
struct termp *p; |
size_t pagex, pagey, margin; |
size_t pagex, pagey, margin, lineheight; |
const char *toks[2]; |
const char *toks[2]; |
|
const char *paper; |
char *v; |
char *v; |
|
|
if (NULL == (p = term_alloc(TERMENC_ASCII))) |
if (NULL == (p = term_alloc(TERMENC_ASCII))) |
return(NULL); |
return(NULL); |
|
|
/* Default is USA letter. */ |
p->advance = ps_advance; |
pagex = 612; |
|
pagey = 792; |
|
margin = 72; |
|
|
|
p->type = TERMTYPE_PS; |
|
p->letter = ps_letter; |
|
p->begin = ps_begin; |
p->begin = ps_begin; |
p->end = ps_end; |
p->end = ps_end; |
p->advance = ps_advance; |
|
p->endline = ps_endline; |
p->endline = ps_endline; |
|
p->hspan = ps_hspan; |
|
p->letter = ps_letter; |
|
p->type = TERMTYPE_PS; |
p->width = ps_width; |
p->width = ps_width; |
|
|
|
p->engine.ps.scale = 10; |
|
|
toks[0] = "paper"; |
toks[0] = "paper"; |
toks[1] = NULL; |
toks[1] = NULL; |
|
|
|
paper = "letter"; |
|
|
while (outopts && *outopts) |
while (outopts && *outopts) |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
case (0): |
case (0): |
if (0 == strcasecmp(v, "a4")) { |
paper = v; |
pagex = 595; |
|
pagey = 842; |
|
} else if (0 == strcasecmp(v, "letter")) { |
|
pagex = 612; |
|
pagey = 792; |
|
} |
|
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
|
|
|
margin = PNT2AFM(p, 72); |
|
lineheight = PNT2AFM(p, 12); |
|
|
|
if (0 == strcasecmp(paper, "a4")) { |
|
pagex = PNT2AFM(p, 595); |
|
pagey = PNT2AFM(p, 842); |
|
} else { |
|
pagex = PNT2AFM(p, 612); |
|
pagey = PNT2AFM(p, 792); |
|
} |
|
|
assert(margin * 2 < pagex); |
assert(margin * 2 < pagex); |
assert(margin * 2 < pagey); |
assert(margin * 2 < pagey); |
|
|
Line 425 ps_alloc(char *outopts) |
|
Line 441 ps_alloc(char *outopts) |
|
p->engine.ps.footer = (margin / 2); |
p->engine.ps.footer = (margin / 2); |
p->engine.ps.bottom = margin; |
p->engine.ps.bottom = margin; |
p->engine.ps.left = margin; |
p->engine.ps.left = margin; |
p->engine.ps.lineheight = 12; |
p->engine.ps.lineheight = lineheight; |
|
|
p->defrmargin = pagex - (margin * 2); |
p->defrmargin = pagex - (margin * 2); |
return(p); |
return(p); |
Line 609 ps_pletter(struct termp *p, int c) |
|
Line 625 ps_pletter(struct termp *p, int c) |
|
|
|
if ( ! (PS_INLINE & p->engine.ps.psstate)) { |
if ( ! (PS_INLINE & p->engine.ps.psstate)) { |
ps_printf(p, "%zu %zu moveto\n(", |
ps_printf(p, "%zu %zu moveto\n(", |
p->engine.ps.pscol, |
AFM2PNT(p, p->engine.ps.pscol), |
p->engine.ps.psrow); |
AFM2PNT(p, p->engine.ps.psrow)); |
p->engine.ps.psstate |= PS_INLINE; |
p->engine.ps.psstate |= PS_INLINE; |
} |
} |
|
|
Line 639 ps_pletter(struct termp *p, int c) |
|
Line 655 ps_pletter(struct termp *p, int c) |
|
|
|
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 / 100); |
p->engine.ps.pscol += fonts[f].gly[0].wx; |
return; |
return; |
} |
} |
|
|
ps_putchar(p, c); |
ps_putchar(p, c); |
c -= 32; |
c -= 32; |
p->engine.ps.pscol += (fonts[f].gly[c].wx / 100); |
p->engine.ps.pscol += fonts[f].gly[c].wx; |
} |
} |
|
|
|
|
Line 804 ps_setfont(struct termp *p, enum termfont f) |
|
Line 820 ps_setfont(struct termp *p, enum termfont f) |
|
{ |
{ |
|
|
assert(f < TERMFONT__MAX); |
assert(f < TERMFONT__MAX); |
ps_printf(p, "/%s 10 selectfont\n", fonts[(int)f].name); |
ps_printf(p, "/%s %zu selectfont\n", |
|
fonts[(int)f].name, p->engine.ps.scale); |
p->engine.ps.lastf = f; |
p->engine.ps.lastf = f; |
} |
} |
|
|
Line 815 ps_width(const struct termp *p, char c) |
|
Line 832 ps_width(const struct termp *p, char c) |
|
{ |
{ |
|
|
if (c <= 32 || c - 32 >= MAXCHAR) |
if (c <= 32 || c - 32 >= MAXCHAR) |
return(fonts[(int)TERMFONT_NONE].gly[0].wx / 100); |
return(fonts[(int)TERMFONT_NONE].gly[0].wx); |
|
|
c -= 32; |
c -= 32; |
return(fonts[(int)TERMFONT_NONE].gly[(int)c].wx / 100); |
return(fonts[(int)TERMFONT_NONE].gly[(int)c].wx); |
} |
} |
|
|
|
|
|
static double |
|
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); |
|
break; |
|
case (SCALE_PC): |
|
r = PNT2AFM(p, su->scale * 12); |
|
break; |
|
case (SCALE_PT): |
|
r = PNT2AFM(p, su->scale * 100); |
|
break; |
|
case (SCALE_EM): |
|
r = su->scale * |
|
fonts[(int)TERMFONT_NONE].gly[109 - 32].wx; |
|
break; |
|
case (SCALE_MM): |
|
r = PNT2AFM(p, su->scale * 2.834); |
|
break; |
|
case (SCALE_EN): |
|
r = su->scale * |
|
fonts[(int)TERMFONT_NONE].gly[110 - 32].wx; |
|
break; |
|
case (SCALE_VS): |
|
r = su->scale * p->engine.ps.lineheight; |
|
break; |
|
default: |
|
r = su->scale; |
|
break; |
|
} |
|
|
|
return(r); |
|
} |
|
|