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#ifndef __JPEG_Handler_hpp__
#define __JPEG_Handler_hpp__ 1
// =================================================================================================
// Copyright Adobe
// Copyright 2004 Adobe
// 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. If you have received this file from a source other
// than Adobe, then your use, modification, or distribution of it requires the prior written permission
// of Adobe.
// =================================================================================================
#include "public/include/XMP_Environment.h" // ! Must be the first #include!
#include "public/include/XMP_Const.h"
#include "public/include/XMP_IO.hpp"
#include "XMPFiles/source/FormatSupport/TIFF_Support.hpp"
#include "XMPFiles/source/FormatSupport/PSIR_Support.hpp"
#include "XMPFiles/source/FormatSupport/IPTC_Support.hpp"
// =================================================================================================
/// \file JPEG_Handler.hpp
/// \brief File format handler for JPEG.
///
/// This header ...
///
// =================================================================================================
// *** Could derive from Basic_Handler - buffer file tail in a temp file.
extern XMPFileHandler * JPEG_MetaHandlerCTor ( XMPFiles * parent );
extern bool JPEG_CheckFormat ( XMP_FileFormat format,
XMP_StringPtr filePath,
XMP_IO * fileRef,
XMPFiles * parent );
static const XMP_OptionBits kJPEG_HandlerFlags = (kXMPFiles_CanInjectXMP |
kXMPFiles_CanExpand |
kXMPFiles_CanRewrite |
kXMPFiles_PrefersInPlace |
kXMPFiles_CanReconcile |
kXMPFiles_AllowsOnlyXMP |
kXMPFiles_ReturnsRawPacket |
kXMPFiles_AllowsSafeUpdate);
class JPEG_MetaHandler : public XMPFileHandler
{
public:
void CacheFileData();
void ProcessXMP();
void UpdateFile ( bool doSafeUpdate );
void WriteTempFile ( XMP_IO* tempRef );
struct GUID_32 { // A hack to get an assignment operator for an array.
char data [32];
void operator= ( const GUID_32 & in )
{
memcpy ( this->data, in.data, sizeof(this->data) ); // AUDIT: Use of sizeof(this->data) is safe.
};
bool operator< ( const GUID_32 & right ) const
{
return (memcmp ( this->data, right.data, sizeof(this->data) ) < 0);
};
bool operator== ( const GUID_32 & right ) const
{
return (memcmp ( this->data, right.data, sizeof(this->data) ) == 0);
};
};
JPEG_MetaHandler ( XMPFiles * parent );
virtual ~JPEG_MetaHandler();
private:
JPEG_MetaHandler() : exifMgr(0), psirMgr(0), iptcMgr(0), skipReconcile(false) {}; // Hidden on purpose.
std::string exifContents;
std::string psirContents;
TIFF_Manager * exifMgr; // The Exif manager will be created by ProcessTNail or ProcessXMP.
PSIR_Manager * psirMgr; // Need to use pointers so we can properly select between read-only and
IPTC_Manager * iptcMgr; // read-write modes of usage.
bool skipReconcile; // ! Used between UpdateFile and WriteFile.
typedef std::map < GUID_32, std::string > ExtendedXMPMap;
ExtendedXMPMap extendedXMP; // ! Only contains those with complete data.
// void CacheExtendedXMP ( ExtendedXMPInfo * extXMP, XMP_Uns8 * buffer, size_t bufferLen );
}; // JPEG_MetaHandler
// =================================================================================================
#endif /* __JPEG_Handler_hpp__ */
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