Subversion Repositories planix.SVN

#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;
}