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77 lines
2.0 KiB
77 lines
2.0 KiB
/*****************************************************************************/ |
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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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