internal Dictionary<int, int[]> ReadFormat6()
{
Dictionary<int,int[]> h = new Dictionary<int,int[]>();
rf.SkipBytes(4);
int start_code = rf.ReadUnsignedShort();
int code_count = rf.ReadUnsignedShort();
for (int k = 0; k < code_count; ++k) {
int[] r = new int[2];
r[0] = rf.ReadUnsignedShort();
r[1] = GetGlyphWidth(r[0]);
h[k + start_code] = r;
}
return h;
}