com.sun.pdfview.decode
Class ASCII85Decode

java.lang.Object
  com.sun.pdfview.decode.ASCII85Decode

public class ASCII85Decode
extends java.lang.Object

decode ASCII85 text into a byte array.

Method Summary

static java.nio.ByteBuffer

decode(java.nio.ByteBuffer buf, PDFObject params) decode an array of bytes in ASCII85 format.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

decode

public static java.nio.ByteBuffer decode(java.nio.ByteBuffer buf,
                                         PDFObject params)
                                  throws PDFParseException

decode an array of bytes in ASCII85 format.

In ASCII85 format, every 5 characters represents 4 decoded bytes in base 85. The entire stream can contain whitespace, and ends in the characters '~>'.

Parameters:

buf - the encoded ASCII85 characters in a byte buffer

params - parameters to the decoder (ignored)

Returns:

the decoded bytes

Throws:

PDFParseException