Package org.apache.pdfbox.filter

Class ASCII85Filter

java.lang.Object

org.apache.pdfbox.filter.Filter

org.apache.pdfbox.filter.ASCII85Filter

final class ASCII85Filter
extends Filter

Decodes data encoded in an ASCII base-85 representation, reproducing the original binary data.

Field Summary

Fields inherited from class org.apache.pdfbox.filter.Filter

SYSPROP_DEFLATELEVEL

Constructor Summary

Constructors

Constructor	Description
ASCII85Filter()

Method Summary

Modifier and Type	Method	Description
DecodeResult	decode(InputStream encoded, OutputStream decoded, COSDictionary parameters, int index)	Decodes data, producing the original non-encoded data.
protected void	encode(InputStream input, OutputStream encoded, COSDictionary parameters)

Methods inherited from class org.apache.pdfbox.filter.Filter

decode, encode, findImageReader, getCompressionLevel, getDecodeParams

Methods inherited from class java.lang.Object

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

Constructor Details

ASCII85Filter

ASCII85Filter()

Method Details

decode

public DecodeResult decode(InputStream encoded,
 OutputStream decoded,
 COSDictionary parameters,
 int index)
                    throws IOException

Description copied from class: Filter

Decodes data, producing the original non-encoded data.

Specified by:

decode in class Filter

Parameters:

encoded - the encoded byte stream

decoded - the stream where decoded data will be written

parameters - the parameters used for decoding

index - the index to the filter being decoded

Returns:

repaired parameters dictionary, or the original parameters dictionary

Throws:

IOException - if the stream cannot be decoded

encode

protected void encode(InputStream input,
 OutputStream encoded,
 COSDictionary parameters)
               throws IOException

Specified by:

encode in class Filter

Throws:

IOException