mandoc/term_ps.c - diff

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Diff for /mandoc/term_ps.c between version 1.26 and 1.27

version 1.26, 2010/07/02 10:53:28

version 1.27, 2010/07/04 10:53:04

Line 33

#include "main.h"

#include "term.h"

#define MINMARGIN_MM 20 /* Minimum 2cm margins. */

#define MINMARGIN_PNT 56.68

#define DEFPAGEX_MM 216 /* Default page size is US-letter. */

#define DEFPAGEY_MM 279

/* Convert PostScript point "x" to an AFM unit. */

#define PNT2AFM(p, x) /* LINTED */ \

(size_t)((double)(x) * (1000.0 / (double)(p)->engine.ps.scale))

Line 388 void *

Line 393 void *

ps_alloc(char *outopts)

{

struct termp *p;

size_t pagex, pagey, margin, lineheight;

size_t pagex, pagey, margin, lineheight, m1, m2;

const char *toks[2];

const char *pp;

char *v;

Line 405 ps_alloc(char *outopts)

Line 410 ps_alloc(char *outopts)

p->type = TERMTYPE_PS;

p->width = ps_width;

p->engine.ps.scale = 11;

toks[0] = "paper";

toks[1] = NULL;

Line 421 ps_alloc(char *outopts)

Line 424 ps_alloc(char *outopts)

break;

}

margin = PNT2AFM(p, 72);

lineheight = PNT2AFM(p, 12);

/* Default to US letter (millimetres). */

pagex = 216;

pagex = DEFPAGEX_MM;

pagey = 279;

pagey = DEFPAGEY_MM;

* The ISO-269 paper sizes can be calculated automatically, but

Line 451 ps_alloc(char *outopts)

pagey = 356;

} else if (2 != sscanf(pp, "%zux%zu", &pagex, &pagey))

fprintf(stderr, "%s: Unknown paper\n", pp);

} else if (NULL == pp)

pp = "letter";

/* Enforce minimum page size >= (2 times) min-margin. */

if ((2 * MINMARGIN_MM) >= pagex) {

fprintf(stderr, "%s: Insufficient page width\n", pp);

pagex = DEFPAGEX_MM;

} else if ((2 * MINMARGIN_MM >= pagey)) {

fprintf(stderr, "%s: Insufficient page length\n", pp);

pagey = DEFPAGEY_MM;

}

* This MUST be defined before any PNT2AFM or AFM2PNT

* calculations occur.

p->engine.ps.scale = 11;

/* Remember millimetres -> AFM units. */

pagex = PNT2AFM(p, ((double)pagex * 2.834));

pagey = PNT2AFM(p, ((double)pagey * 2.834));

assert(margin * 2 < pagex);

assert(margin * 2 < pagey);

* Calculate margins. First get the minimum text width: either

* page minus margins or width of 65 'm' characters. Set total

* margins to page size minus text width.

m1 = ps_width(p, 'm') * 65;

m2 = pagex - (2 * PNT2AFM(p, MINMARGIN_PNT));

margin = (pagex - (m1 < m2 ? m1 : m2)) / 2;

lineheight = PNT2AFM(p, 16);

p->engine.ps.width = pagex;

p->engine.ps.height = pagey;

p->engine.ps.header = pagey - (margin / 2);

p->engine.ps.header = pagey - (margin / 2) - (lineheight / 2);

p->engine.ps.top = pagey - margin;

p->engine.ps.footer = (margin / 2);

p->engine.ps.footer = (margin / 2) - (lineheight / 2);

p->engine.ps.bottom = margin;

p->engine.ps.left = margin;

p->engine.ps.lineheight = lineheight;

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