Provides operations to read signed and unsigned integers of size 1, 2, 3, or 4 bytes, as well as arrays and Strings.
Provides operations to write integers of size 1, 2, 3, or 4 bytes, to determine the minimal size for an integer and write it in that many bytes, and to copy a certain number of bytes from a DVIInputStream.
Maintains a count of how many bytes have been written, which can be retrieved.