| /*****************************************************************************/ |
| // Copyright 2006-2011 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_info.h#1 $ */ |
| /* $DateTime: 2012/05/30 13:28:51 $ */ |
| /* $Change: 832332 $ */ |
| /* $Author: tknoll $ */ |
| |
| /** \file |
| * Class for holding top-level information about a DNG image. |
| */ |
| |
| /*****************************************************************************/ |
| |
| #ifndef __dng_info__ |
| #define __dng_info__ |
| |
| /*****************************************************************************/ |
| |
| #include "dng_classes.h" |
| #include "dng_ifd.h" |
| #include "dng_exif.h" |
| #include "dng_shared.h" |
| #include "dng_errors.h" |
| #include "dng_sdk_limits.h" |
| #include "dng_auto_ptr.h" |
| |
| /*****************************************************************************/ |
| |
| /// \brief Top-level structure of DNG file with access to metadata. |
| /// |
| /// See \ref spec_dng "DNG 1.1.0 specification" for information on member fields of this class. |
| |
| class dng_info |
| { |
| |
| public: |
| |
| uint64 fTIFFBlockOffset; |
| |
| uint64 fTIFFBlockOriginalOffset; |
| |
| bool fBigEndian; |
| |
| uint32 fMagic; |
| |
| AutoPtr<dng_exif> fExif; |
| |
| AutoPtr<dng_shared> fShared; |
| |
| int32 fMainIndex; |
| |
| int32 fMaskIndex; |
| |
| uint32 fIFDCount; |
| |
| AutoPtr<dng_ifd> fIFD [kMaxSubIFDs + 1]; |
| |
| uint32 fChainedIFDCount; |
| |
| AutoPtr<dng_ifd> fChainedIFD [kMaxChainedIFDs]; |
| |
| protected: |
| |
| uint32 fMakerNoteNextIFD; |
| |
| public: |
| |
| dng_info (); |
| |
| virtual ~dng_info (); |
| |
| /// Read dng_info from a dng_stream |
| /// \param host DNG host used for progress updating, abort testing, buffer allocation, etc. |
| /// \param stream Stream to read DNG data from. |
| |
| virtual void Parse (dng_host &host, |
| dng_stream &stream); |
| |
| /// Must be called immediately after a successful Parse operation. |
| |
| virtual void PostParse (dng_host &host); |
| |
| /// Test validity of DNG data. |
| /// \retval true if stream provided a valid DNG. |
| |
| virtual bool IsValidDNG (); |
| |
| protected: |
| |
| virtual void ValidateMagic (); |
| |
| virtual void ParseTag (dng_host &host, |
| dng_stream &stream, |
| dng_exif *exif, |
| dng_shared *shared, |
| dng_ifd *ifd, |
| uint32 parentCode, |
| uint32 tagCode, |
| uint32 tagType, |
| uint32 tagCount, |
| uint64 tagOffset, |
| int64 offsetDelta); |
| |
| virtual bool ValidateIFD (dng_stream &stream, |
| uint64 ifdOffset, |
| int64 offsetDelta); |
| |
| virtual void ParseIFD (dng_host &host, |
| dng_stream &stream, |
| dng_exif *exif, |
| dng_shared *shared, |
| dng_ifd *ifd, |
| uint64 ifdOffset, |
| int64 offsetDelta, |
| uint32 parentCode); |
| |
| virtual bool ParseMakerNoteIFD (dng_host &host, |
| dng_stream &stream, |
| uint64 ifdSize, |
| uint64 ifdOffset, |
| int64 offsetDelta, |
| uint64 minOffset, |
| uint64 maxOffset, |
| uint32 parentCode); |
| |
| virtual void ParseMakerNote (dng_host &host, |
| dng_stream &stream, |
| uint32 makerNoteCount, |
| uint64 makerNoteOffset, |
| int64 offsetDelta, |
| uint64 minOffset, |
| uint64 maxOffset); |
| |
| virtual void ParseSonyPrivateData (dng_host &host, |
| dng_stream &stream, |
| uint64 count, |
| uint64 oldOffset, |
| uint64 newOffset); |
| |
| virtual void ParseDNGPrivateData (dng_host &host, |
| dng_stream &stream); |
| |
| private: |
| |
| // Hidden copy constructor and assignment operator. |
| |
| dng_info (const dng_info &info); |
| |
| dng_info & operator= (const dng_info &info); |
| |
| }; |
| |
| /*****************************************************************************/ |
| |
| #endif |
| |
| /*****************************************************************************/ |