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#include "defs.h"
#include "commands.h"
#include "global.h"
#include "set.h"
struct font_entry *hdfontent = NULL;
struct font_entry *curfontent;
extern int replfont(char *n, int s, char *rn, int *rd, int *rs);
/*-->ReadFontDef*/
/**********************************************************************/
/**************************** ReadFontDef ***************************/
/**********************************************************************/
void
readfontdef(k, c, s, d, a, l, n, hdfip)
int k, c, s, d, a, l;
char *n;
struct font_index **hdfip;
{
struct font_index *fi;
fi = NEW(struct font_index, "font_index");
fi->k = k;
fi->next = *hdfip;
*hdfip = fi;
#ifdef DEBUG
if (Debug)
(void)fprintf(stderr, "readfontdef %s k = %d s = %d d = %d",
n, k, s, d);
#endif
fi->fent = get_font_entry(c, s, d, a, l, n);
}
struct font_entry *
get_font_entry(c, s, d, a, l, n)
int c, s, d, a, l;
char *n;
{
struct font_entry *fe;
char rn[STRSIZE];
int rd, rs;
int first_markchar();
void read_null_fontinfo();
if (replfont(n, s, rn, &rd, &rs)) {
#ifdef DEBUG
if (Debug)
(void)fprintf(stderr, " -> %s s = %d d = %d", rn, rs, rd);
#endif
n = rn;
l = strlen(rn);
d = rd;
s = rs;
}
for (fe = hdfontent; fe != NULL; fe = fe->next)
if (strcmp(n, fe->n) == 0 && s == fe->s) {
#ifdef DEBUG
if (Debug)
(void)fprintf(stderr, " [already read]\n");
#endif
return fe;
}
#ifdef DEBUG
if (Debug)
(void)fprintf(stderr, "\n");
#endif
fe = NEW(struct font_entry, "font_entry");
fe->next = hdfontent;
hdfontent = fe;
fe->c = c;
fe->s = s;
fe->d = d;
fe->a = a;
fe->l = l;
(void)strcpy(fe->n, n);
fe->openfile = NO_FILE;
fe->ncdl = -1;
#ifdef STATS
fe->nbpxl = 0;
fe->ncts = 0;
#endif
fe->fnt_markchar = first_markchar;
fe->fnt_readfontinfo = read_null_fontinfo;
return fe;
}
/*
* We postpone the initialization of font info till the char in the font
* is first used. This is because if the font is declared in the virtual
* font, the font may be used only in some chars of vf and the chars may
* not be used in a particular dvi.
*/
int first_markchar(c)
int c;
{
init_fontinfo(curfontent);
FNT_markchar(c);
}
/*-->SetFntNum*/
/**********************************************************************/
/**************************** SetFntNum *****************************/
/**********************************************************************/
void
SetFntNum(k, hdfidx)
int k;
struct font_index *hdfidx;
/* this routine is used to specify the font to be used in printing future
characters */
{
struct font_index *ptr;
for (ptr = hdfidx; (ptr!=NULL) && (ptr->k!=k); )
ptr = ptr->next;
if (ptr == NULL)
Fatal("font %d undefined", k);
setcurfont(ptr->fent);
}
/*
* read_fontinfo
*/
void
read_fontinfo(fe)
struct font_entry *fe;
{
#ifdef DEBUG
if (Debug)
(void)fprintf(stderr, "<%s>\n", fe->n);
#endif
/* most fonts are real fonts */
fe->rvf_setchar = realf_setchar;
fe->rvf_setstring = realf_setstring;
(*(fe->fnt_readfontinfo))(fe);
}
/* operations for null font */
/* ARGSUSED */
int null_markchar(c)
int c;
{
}
void
read_null_fontinfo(fe)
struct font_entry *fe;
{
DEV_FONT null_fontdict();
int null_setchar(), null_setstring();
fe->dev_fontdict = null_fontdict;
fe->dev_setchar = null_setchar;
fe->dev_setstring = null_setstring;
}
/* ARGSUSED */
DEV_FONT
null_fontdict(fe, c)
struct font_entry *fe;
int c;
{
return DEV_NULLFONT;
}
/* ARGSUSED */
int null_setchar(c)
int c;
{
return 0;
}
/* ARGSUSED */
int null_setstring(s, len)
char *s;
int len;
{
return 0;
}
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