ZStreamR_LZWEncodeNoPatent Class Reference

Inheritance diagram for ZStreamR_LZWEncodeNoPatent:

List of all members.

Public Member Functions
virtual size_t	Imp_CountReadable ()
	Returns the number of bytes guaranteed to be readable without blocking.

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Detailed Description

A read filter stream that returns a LZW-compatible codestream but without actually compressing, thus avoiding infringement of the Unisys patent.

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Member Function Documentation

size_t ZStreamR_LZWEncodeNoPatent::Imp_CountReadable

(

)

[virtual]

Returns the number of bytes guaranteed to be readable without blocking.

If the stream does not or cannot know this information it should return zero. A zero return thus does not mean no data is available, simply that a subsequent Read or Skip may block indefinitely.

Reimplemented from ZStreamR.

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The documentation for this class was generated from the following files:

• src/stream/ZStream_LZW.h
• src/stream/ZStream_LZW.cpp

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