version 1.24, 2010/06/30 20:57:41 |
version 1.28, 2010/07/04 19:24:00 |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include <unistd.h> |
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#include "out.h" |
#include "out.h" |
#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) \ |
#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) \ |
#define AFM2PNT(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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struct glyph { |
struct glyph { |
int wx; /* WX in AFM */ |
size_t 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; |
size_t pagex, pagey, marginx, marginy, lineheight; |
const char *toks[2]; |
const char *toks[2]; |
const char *paper; |
const char *pp; |
char *v; |
char *v; |
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if (NULL == (p = term_alloc(TERMENC_ASCII))) |
if (NULL == (p = term_alloc(TERMENC_ASCII))) |
Line 404 ps_alloc(char *outopts) |
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Line 410 ps_alloc(char *outopts) |
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p->type = TERMTYPE_PS; |
p->type = TERMTYPE_PS; |
p->width = ps_width; |
p->width = ps_width; |
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p->engine.ps.scale = 10; |
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toks[0] = "paper"; |
toks[0] = "paper"; |
toks[1] = NULL; |
toks[1] = NULL; |
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paper = "letter"; |
pp = NULL; |
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while (outopts && *outopts) |
while (outopts && *outopts) |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
case (0): |
case (0): |
paper = v; |
pp = v; |
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
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margin = PNT2AFM(p, 72); |
/* Default to US letter (millimetres). */ |
lineheight = PNT2AFM(p, 12); |
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if (0 == strcasecmp(paper, "a4")) { |
pagex = DEFPAGEX_MM; |
pagex = PNT2AFM(p, 595); |
pagey = DEFPAGEY_MM; |
pagey = PNT2AFM(p, 842); |
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} else { |
/* |
pagex = PNT2AFM(p, 612); |
* The ISO-269 paper sizes can be calculated automatically, but |
pagey = PNT2AFM(p, 792); |
* it would require bringing in -lm for pow() and I'd rather not |
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* do that. So just do it the easy way for now. Since this |
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* only happens once, I'm not terribly concerned. |
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*/ |
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if (pp && strcasecmp(pp, "letter")) { |
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if (0 == strcasecmp(pp, "a3")) { |
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pagex = 297; |
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pagey = 420; |
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} else if (0 == strcasecmp(pp, "a4")) { |
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pagex = 210; |
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pagey = 297; |
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} else if (0 == strcasecmp(pp, "a5")) { |
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pagex = 148; |
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pagey = 210; |
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} else if (0 == strcasecmp(pp, "legal")) { |
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pagex = 216; |
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pagey = 356; |
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} else if (2 != sscanf(pp, "%zux%zu", &pagex, &pagey)) |
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fprintf(stderr, "%s: Unknown paper\n", pp); |
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} else if (NULL == pp) |
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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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assert(margin * 2 < pagex); |
/* |
assert(margin * 2 < pagey); |
* This MUST be defined before any PNT2AFM or AFM2PNT |
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* calculations occur. |
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*/ |
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p->engine.ps.scale = 11; |
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/* Remember millimetres -> AFM units. */ |
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pagex = PNT2AFM(p, ((double)pagex * 2.834)); |
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pagey = PNT2AFM(p, ((double)pagey * 2.834)); |
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/* Margins are 1/9 the page x and y. */ |
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marginx = (size_t)((double)pagex / 9.0); |
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marginy = (size_t)((double)pagey / 9.0); |
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lineheight = PNT2AFM(p, 16); |
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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); |
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); |
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 658 ps_pletter(struct termp *p, int c) |
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Line 707 ps_pletter(struct termp *p, int c) |
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return; |
return; |
} |
} |
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ps_putchar(p, c); |
ps_putchar(p, (char)c); |
c -= 32; |
c -= 32; |
p->engine.ps.pscol += fonts[f].gly[c].wx; |
p->engine.ps.pscol += fonts[f].gly[c].wx; |
} |
} |