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/*****************************************************************************/
// Copyright 2006-2007 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in
// accordance with the terms of the Adobe license agreement accompanying it.
/*****************************************************************************/
/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_file_stream.h#1 $ */
/* $DateTime: 2012/05/30 13:28:51 $ */
/* $Change: 832332 $ */
/* $Author: tknoll $ */
/** \file
* Simple, portable, file read/write support.
*/
/*****************************************************************************/
#ifndef __dng_file_stream__
#define __dng_file_stream__
/*****************************************************************************/
#include "dng_stream.h"
/*****************************************************************************/
/// \brief A stream to/from a disk file. See dng_stream for read/write interface
class dng_file_stream: public dng_stream
{
private:
FILE *fFile;
public:
/// Open a stream on a file.
/// \param filename Pathname in platform synax.
/// \param output Set to true if writing, false otherwise.
/// \param bufferSize size of internal buffer to use. Defaults to 4k.
dng_file_stream (const char *filename,
bool output = false,
uint32 bufferSize = kDefaultBufferSize);
virtual ~dng_file_stream ();
protected:
virtual uint64 DoGetLength ();
virtual void DoRead (void *data,
uint32 count,
uint64 offset);
virtual void DoWrite (const void *data,
uint32 count,
uint64 offset);
private:
// Hidden copy constructor and assignment operator.
dng_file_stream (const dng_file_stream &stream);
dng_file_stream & operator= (const dng_file_stream &stream);
};
/*****************************************************************************/
#endif
/*****************************************************************************/
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