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

//  TWGlue.h            TWAIN 1.9               ©1991-2001 TWAIN Working Group

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

//  

//

#ifndef __GLUECODE__

#define __GLUECODE__

#pragma once

#include    "TWAIN.h"

/* primary glue code calls */

extern pTW_IDENTITY TWGetDSIdentity(void);

extern pTW_IDENTITY TWGetAppIdentity(void);

extern TW_INT16 TWInitialize(pTW_IDENTITY pIdentity);

extern TW_INT16 TWTerminate(void);

extern TW_INT16 TWSelectDS(void);

extern TW_INT16 TWEventDS(EventRecord *pEvent,pTW_INT16 pMessage);

extern TW_INT16 TWRegisterCallback(DSMENTRYPROC ptr);

extern TW_INT16 TWOpenDSM(void);

extern TW_INT16 TWCloseDSM(void);

extern TW_INT16 TWOpenDSIdentity(pTW_IDENTITY pDSIdentity);

extern TW_INT16 TWOpenDS(void);

extern TW_INT16 TWCloseDS(void);

extern TW_INT16 TWEnableDS(pTW_USERINTERFACE pUserInterface);

extern TW_INT16 TWDisableDS(pTW_USERINTERFACE pUserInterface);

extern TW_INT16 TWMessageDS(TW_UINT32 DG,TW_UINT16 Dat,TW_UINT16 Msg,

                    TW_MEMREF pData);

extern TW_INT16 TWMessageDSM(TW_UINT32 DG,TW_UINT16 Dat,TW_UINT16 Msg,

                    TW_MEMREF pData);

/* capabilities calls */

extern TW_INT16 TWGetPixelTypes(pTW_INT16 pDoesBW,pTW_INT16 pDoesGray,

                    pTW_INT16 pDoesRGB, pTW_INT16 pDoesPalette);

extern TW_INT16 TWSetPixelType(TW_INT16 PixelType);

extern TW_INT16 TWGetDSCapability ( TW_UINT16 capabilityID, TW_INT16 value, pTW_INT16 isCapable );

extern TW_INT16 TWSetDSCapability ( TW_UINT16 capabilityID, TW_INT16 value );

/* miscellaneous calls */

extern TW_INT16 TWIsDSEnabled(void);

extern TW_INT16 TWDSMVersion(pTW_INT16 pMajor,pTW_INT16 pMinor);

#endif