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