PIBufferSuite.h

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// ADOBE SYSTEMS INCORPORATED
// Copyright  1993 - 2005 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.
//-------------------------------------------------------------------
#ifndef __PIBufferSuite__
#define __PIBufferSuite__

#if PRAGMA_ONCE
#pragma once
#endif

#include "SPTypes.h"

#ifdef __cplusplus
extern "C" {
#endif

/******************************************************************************/

#define kPSBufferSuite          "Photoshop Buffer Suite for Plug-ins"

//-------------------------------------------------------------------------
//  Buffer suite typedefs 
//-------------------------------------------------------------------------

typedef SPAPI Ptr (*BufferNewProc) (unsigned32 *pRequestedSize, /* IN/OUT: Actual size returned here. */
                              unsigned32 minimumSize);  
                                            
    
typedef SPAPI Ptr (*BufferNewProc64) (unsigned64 *pRequestedSize,   /* IN/OUT: Actual size returned here. */
                              unsigned64 minimumSize);  
                                            
    
typedef SPAPI void (*BufferDisposeProc) (Ptr *ppBuffer);    
                                          
typedef SPAPI unsigned32 (*BufferGetSizeProc) (Ptr pBuffer);

    
typedef SPAPI unsigned64 (*BufferGetSizeProc64) (Ptr pBuffer);

    
typedef SPAPI unsigned32 (*BufferGetSpaceProc) (void);
    

typedef SPAPI unsigned64 (*BufferGetSpaceProc64) (void);


//-------------------------------------------------------------------------
//  Buffer suite version 1 
//-------------------------------------------------------------------------

#define kPSBufferSuiteVersion1      1

typedef struct 
{
    BufferNewProc       New;        
    BufferDisposeProc   Dispose;    
    BufferGetSizeProc   GetSize;    
    BufferGetSpaceProc  GetSpace;   
} PSBufferSuite1;


#define kPSBufferSuiteVersion2      2

#define kPSBufferSuiteVersion       kPSBufferSuiteVersion2

typedef struct 
{
    BufferNewProc           New;        
    BufferDisposeProc       Dispose;    
    BufferGetSizeProc       GetSize;    
    BufferGetSpaceProc      GetSpace;   
    BufferNewProc64         New64;      
    BufferGetSizeProc64     GetSize64;  
    BufferGetSpaceProc64    GetSpace64; 
} PSBufferSuite2;

/******************************************************************************/

#ifdef __cplusplus
}
#endif


#endif  // PIBufferSuite