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#include <u.h>
#include <libc.h>
#include <draw.h>
static
void
packinfo(Fontchar *fc, uchar *p, int n)
{
int j;
for(j=0; j<=n; j++){
p[0] = fc->x;
p[1] = fc->x>>8;
p[2] = fc->top;
p[3] = fc->bottom;
p[4] = fc->left;
p[5] = fc->width;
fc++;
p += 6;
}
}
int
writesubfont(int fd, Subfont *f)
{
char hdr[3*12+1];
uchar *data;
int nb;
sprint(hdr, "%11d %11d %11d ", f->n, f->height, f->ascent);
if(write(fd, hdr, 3*12) != 3*12){
Err:
werrstr("writesubfont: bad write: %r");
return -1;
}
nb = 6*(f->n+1);
data = malloc(nb);
if(data == nil)
return -1;
packinfo(f->info, data, f->n);
if(write(fd, data, nb) != nb)
goto Err;
free(data);
return 0;
}
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