PoDoFo::PdfInputStream Class Reference

#include <PdfInputStream.h>

Inheritance diagram for PoDoFo::PdfInputStream:

List of all members.

Public Member Functions
virtual long	Read (char *pBuffer, long lLen)=0

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Detailed Description

An interface for reading blocks of data from an a data source.

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Member Function Documentation

virtual long PoDoFo::PdfInputStream::Read	(	char *	pBuffer,
		long	lLen
	)			[pure virtual]

Read data from the input stream

Parameters:

	pBuffer	the data will be stored into this buffer
	lLen	the size of the buffer and number of bytes that will be read

Returns:

the number of bytes read, -1 if an error ocurred and zero if no more bytes are available for reading.

Implemented in PoDoFo::PdfRC4InputStream, PoDoFo::PdfFileInputStream, PoDoFo::PdfMemoryInputStream, and PoDoFo::PdfDeviceInputStream.