static double pict_read_fixed(dbuf *f, i64 pos)
{
	i64 n;

	// I think QuickDraw's "Fixed point" numbers are signed, but I don't know
	// how negative numbers are handled.
	n = dbuf_geti32be(f, pos);
	return ((double)n)/65536.0;
}
static double pict_read_fixed(dbuf *f, i64 pos)
{
	i64 n;

	 
	 
	n = dbuf_geti32be(f, pos);
	return ((double)n)/65536.0;
}