IPDFLibraryUtilsPublic.h

//========================================================================================
// 
// $File$
// 
// Owner: Greg St. Pierre
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
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// 
// Copyright 1997-2010 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. 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.
// 
// 
// A collection of PDF-specific utilities
// 
//========================================================================================


#ifndef IPDFLibraryUtils_Public__
#define IPDFLibraryUtils_Public__

#include "PDFID.h"
#include "Utils.h"

// These are opaque types
typedef struct _t_PDDoc *PDDoc;
typedef struct _t_PDPage *PDPage;

class IPDFLibraryUtilsPublic : public IPMUnknown
{
public:
 enum { kDefaultIID = IID_IPDFLIBRARYUTILSPUBLIC };
 
 virtual bool16 IsPDFExportPort(IPMUnknown const *port) const = 0;
 
 virtual void AcquirePDFLibrary() const = 0;
 
 virtual void ReleasePDFLibrary() const = 0;
 
 virtual bool16 IsLibraryAvailable() const = 0;
 
 virtual bool GetPDDocForPDFExportPort(IPMUnknown *port, PDDoc &document) const = 0;
 
 virtual bool GetPDPageForPDFExportPort(IPMUnknown *port, PDPage &page) const = 0;
};

class PDFLibraryAcquireReference
{
public:
 PDFLibraryAcquireReference()
 {
 Utils<IPDFLibraryUtilsPublic>()->AcquirePDFLibrary();
 }
 
 ~PDFLibraryAcquireReference()
 {
 Utils<IPDFLibraryUtilsPublic>()->ReleasePDFLibrary();
 }
 
 bool16 IsAvailable() const
 {
 return Utils<IPDFLibraryUtilsPublic>()->IsLibraryAvailable();
 }
};

#endif