diff options
Diffstat (limited to 'source/XMPFiles/FormatSupport/PSIR_Support.hpp')
| -rw-r--r-- | source/XMPFiles/FormatSupport/PSIR_Support.hpp | 63 |
1 files changed, 29 insertions, 34 deletions
diff --git a/source/XMPFiles/FormatSupport/PSIR_Support.hpp b/source/XMPFiles/FormatSupport/PSIR_Support.hpp index a651bef..8b5c507 100644 --- a/source/XMPFiles/FormatSupport/PSIR_Support.hpp +++ b/source/XMPFiles/FormatSupport/PSIR_Support.hpp @@ -3,7 +3,7 @@ // ================================================================================================= // ADOBE SYSTEMS INCORPORATED -// Copyright 2006-2008 Adobe Systems Incorporated +// Copyright 2006 Adobe Systems Incorporated // All Rights Reserved // // NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms @@ -38,8 +38,6 @@ /// This is the case for all of the derived classes, even though the memory based ones happen to /// have all of the image resources in memory. Being "handled" means being in the image resource /// map used by GetImgRsrc. The handled image resources are: -/// \li 1008 - Ancient caption PString -/// \li 1020 - Ancient caption string /// \li 1028 - IPTC /// \li 1034 - Copyrighted flag /// \li 1035 - Copyright information URL @@ -51,7 +49,7 @@ /// packaged in a DLL by themselves. They do not provide any form of C++ ABI protection. // ================================================================================================= - + // These aren't inside PSIR_Manager because the static array can't be initialized there. enum { @@ -59,26 +57,23 @@ enum { kMinImgRsrcSize = 4+2+2+4 // The minimum size for an image resource. }; -enum { kPSIR_MetadataCount = 9 }; // 1 2 3 4 5 6 7 8 9 -static const XMP_Uns16 kPSIR_MetadataIDs[] = { 1008, 1020, 1028, 1034, 1035, 1036, 1058, 1060, 1061, 0 }; - enum { - kPSIR_OldCaptionPStr = 1008, - kPSIR_OldCaption = 1020, kPSIR_IPTC = 1028, kPSIR_CopyrightFlag = 1034, kPSIR_CopyrightURL = 1035, - kPSIR_Thumbnail = 1036, kPSIR_Exif = 1058, kPSIR_XMP = 1060, kPSIR_IPTCDigest = 1061 }; +enum { kPSIR_MetadataCount = 6 }; +static const XMP_Uns16 kPSIR_MetadataIDs[] = // ! Must be in descending order with 0 sentinel. + { kPSIR_IPTCDigest, kPSIR_XMP, kPSIR_Exif, kPSIR_CopyrightURL, kPSIR_CopyrightFlag, kPSIR_IPTC, 0 }; // ================================================================================================= // ================================================================================================= -// NOTE: Although Photoshop image resources have a type and ID, for metadatya we only care about +// NOTE: Although Photoshop image resources have a type and ID, for metadatya we only care about // those of type "8BIM". Resources of other types are preserved in files, but can't be individually // accessed through the PSIR_Manager API. @@ -101,10 +96,10 @@ public: ImgRsrcInfo ( XMP_Uns16 _id, XMP_Uns32 _dataLen, void* _dataPtr, XMP_Uns32 _origOffset ) : id(_id), dataLen(_dataLen), dataPtr(_dataPtr), origOffset(_origOffset) {}; }; - + // The origOffset is the absolute file offset for file parses, the memory block offset for // memory parses. It is the offset of the resource data portion, not the overall resource. - + // --------------------------------------------------------------------------------------------- // Get the information about a "handled" image resource. Returns false if the image resource is // not handled, even if it was present in the parsed input. @@ -113,20 +108,20 @@ public: // --------------------------------------------------------------------------------------------- // Set the value for an image resource. It can be any resource, even one not originally handled. - + virtual void SetImgRsrc ( XMP_Uns16 id, const void* dataPtr, XMP_Uns32 length ) = 0; // --------------------------------------------------------------------------------------------- // Delete an image resource. Does nothing if the image resource does not exist. - + virtual void DeleteImgRsrc ( XMP_Uns16 id ) = 0; // --------------------------------------------------------------------------------------------- // Determine if the image resources are changed. - + virtual bool IsChanged() = 0; virtual bool IsLegacyChanged() = 0; - + // --------------------------------------------------------------------------------------------- virtual void ParseMemoryResources ( const void* data, XMP_Uns32 length, bool copyData = true ) = 0; @@ -138,7 +133,7 @@ public: // by \c UpdateMemoryResources must be treated as read only. It exists until the PSIR_Manager // destructor is called. UpdateMemoryResources can be used on a read-only instance to get the // raw data block info. - + virtual XMP_Uns32 UpdateMemoryResources ( void** dataPtr ) = 0; virtual XMP_Uns32 UpdateFileResources ( LFA_FileRef sourceRef, LFA_FileRef destRef, IOBuffer * ioBuf, XMP_AbortProc abortProc, void * abortArg ) = 0; @@ -166,9 +161,9 @@ class PSIR_MemoryReader : public PSIR_Manager { // The leaf class for memory-bas public: bool GetImgRsrc ( XMP_Uns16 id, ImgRsrcInfo* info ) const; - + void SetImgRsrc ( XMP_Uns16 id, const void* dataPtr, XMP_Uns32 length ) { NotAppropriate(); }; - + void DeleteImgRsrc ( XMP_Uns16 id ) { NotAppropriate(); }; bool IsChanged() { return false; }; @@ -184,7 +179,7 @@ public: PSIR_MemoryReader() : ownedContent(false), psirLength(0), psirContent(0) {}; virtual ~PSIR_MemoryReader() { if ( this->ownedContent ) free ( this->psirContent ); }; - + private: // Memory usage notes: PSIR_MemoryReader is for memory-based read-only usage (both apply). There @@ -192,12 +187,12 @@ private: // PSIR stream. bool ownedContent; - + XMP_Uns32 psirLength; XMP_Uns8* psirContent; - + typedef std::map<XMP_Uns16,ImgRsrcInfo> ImgRsrcMap; - + ImgRsrcMap imgRsrcs; static inline void NotAppropriate() { XMP_Throw ( "Not appropriate for PSIR_Reader", kXMPErr_InternalFailure ); }; @@ -225,10 +220,10 @@ public: bool IsChanged() { return this->changed; }; bool IsLegacyChanged(); - + void ParseMemoryResources ( const void* data, XMP_Uns32 length, bool copyData = true ); void ParseFileResources ( LFA_FileRef file, XMP_Uns32 length ); - + XMP_Uns32 UpdateMemoryResources ( void** dataPtr ); XMP_Uns32 UpdateFileResources ( LFA_FileRef sourceRef, LFA_FileRef destRef, IOBuffer * ioBuf, XMP_AbortProc abortProc, void * abortArg ); @@ -241,16 +236,16 @@ public: // Memory usage notes: PSIR_FileWriter is for file-based OR read/write usage. For memory-based // streams the dataPtr and rsrcName are initially into the stream, they become a separate // allocation if changed. For file-based streams they are always a separate allocation. - + // ! The working data values are always big endian, no matter where stored. It is the client's // ! responsibility to flip them as necessary. - + static const bool kIsFileBased = true; // For use in the InternalRsrcInfo constructor. static const bool kIsMemoryBased = false; struct InternalRsrcInfo { public: - + bool changed; bool fileBased; XMP_Uns16 id; @@ -270,7 +265,7 @@ public: if ( this->rsrcName != 0 ) { free ( this->rsrcName ); this->rsrcName = 0; } } } - + InternalRsrcInfo ( XMP_Uns16 _id, XMP_Uns32 _dataLen, bool _fileBased ) : changed(false), fileBased(_fileBased), id(_id), dataLen(_dataLen), dataPtr(0), origOffset(0), rsrcName(0) {}; @@ -289,9 +284,9 @@ public: InternalRsrcInfo() // Hidden on purpose, fileBased must be properly set. : changed(false), fileBased(false), id(0), dataLen(0), dataPtr(0), origOffset(0), rsrcName(0) {}; - + }; - + // The origOffset is the absolute file offset for file parses, the memory block offset for // memory parses. It is the offset of the resource data portion, not the overall resource. @@ -306,7 +301,7 @@ private: typedef std::map<XMP_Uns16,InternalRsrcInfo> InternalRsrcMap; InternalRsrcMap imgRsrcs; - + struct OtherRsrcInfo { // For the resources of types other than "8BIM". XMP_Uns32 rsrcOffset; // The offset of the resource origin, the type field. XMP_Uns32 rsrcLength; // The full length of the resource, offset to the next resource. @@ -315,7 +310,7 @@ private: : rsrcOffset(_rsrcOffset), rsrcLength(_rsrcLength) {}; }; std::vector<OtherRsrcInfo> otherRsrcs; - + void DeleteExistingInfo(); }; // PSIR_FileWriter |