psd_handler.hpp

flash xmp sdk,flash官方SDK

#ifndef __PSD_Handler_hpp__
#define __PSD_Handler_hpp__	1

// =================================================================================================
// ADOBE SYSTEMS INCORPORATED
// Copyright 2002-2007 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.
// =================================================================================================

#include "TIFF_Support.hpp"
#include "PSIR_Support.hpp"
#include "IPTC_Support.hpp"

// =================================================================================================
/// \file PSD_Handler.hpp
/// \brief File format handler for PSD (Photoshop).
///
/// This header ...
///
// =================================================================================================

// *** Could derive from Basic_Handler - buffer file tail in a temp file.

extern XMPFileHandler * PSD_MetaHandlerCTor ( XMPFiles * parent );

extern bool PSD_CheckFormat ( XMP_FileFormat format,
							  XMP_StringPtr  filePath,
                              LFA_FileRef    fileRef,
                              XMPFiles *     parent );

static const XMP_OptionBits kPSD_HandlerFlags = (kXMPFiles_CanInjectXMP |
                                                 kXMPFiles_CanExpand |
                                                 kXMPFiles_CanRewrite |
                                                 kXMPFiles_PrefersInPlace |
                                                 kXMPFiles_CanReconcile |
                                                 kXMPFiles_AllowsOnlyXMP |
                                                 kXMPFiles_ReturnsRawPacket |
                                                 kXMPFiles_ReturnsTNail |
                                                 kXMPFiles_AllowsSafeUpdate);

class PSD_MetaHandler : public XMPFileHandler
{
public:

	void CacheFileData();
	void ProcessTNail();
	void ProcessXMP();
	
	void UpdateFile ( bool doSafeUpdate );
    void WriteFile  ( LFA_FileRef sourceRef, const std::string & sourcePath );
	
	bool skipReconcile;	// ! Used between UpdateFile and WriteFile.

	PSD_MetaHandler ( XMPFiles * parent );
	virtual ~PSD_MetaHandler();

private:

	PSD_MetaHandler() : iptcMgr(0), exifMgr(0), skipReconcile(false) {};	// Hidden on purpose.
	
	PSIR_FileWriter psirMgr;	// Don't need a pointer, the PSIR part is always file-based.
	IPTC_Manager *  iptcMgr;	// Need to use pointers so we can properly select between read-only
	TIFF_Manager *  exifMgr;	//	and read-write modes of usage.
	
	XMP_Uns32 imageWidth, imageHeight;	// Pixel dimensions, used with thumbnail info.

};	// PSD_MetaHandler

// =================================================================================================

#endif /* __PSD_Handler_hpp__ */