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Retired Document

Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.

Relevant replacement documents include:

http://developer.apple.com/library/mac/#documentation/GraphicsImaging/Reference/ImageCaptureDeviceModulesReference/index.html%23//apple_ref/doc/uid/TP40006079

TWAIN Helper Glue/TWUtilities.h

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

//  TWUtilities.c       TWAIN 1.9               ©1991-2001 TWAIN Working Group

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

//

//  Glue-code utilities.

#ifndef _TWUTILITIES_

#define _TWUTILITIES_

#pragma once

#include <TWAIN/TWAIN.h>

extern TW_INT16     SetupOneValue(pTW_CAPABILITY pCapability,

                        TW_INT16 ItemType,TW_INT32 Item);

extern TW_INT16     SetupRange(pTW_CAPABILITY pCapability,TW_INT16 ItemType,

                        TW_INT32 MinValue,TW_INT32 MaxValue,TW_INT32 StepSize,

                        TW_INT32 DefaultValue,TW_INT32 CurrentValue);

extern TW_INT16     SetupEnumeration(pTW_CAPABILITY pCapability,

                        TW_INT16 ItemType,TW_INT16 NumItems,

                        TW_INT16 CurrentIndex,TW_INT16 DefaultIndex,

                        pTW_UINT8 ItemList);

extern TW_INT16     SetupArray(pTW_CAPABILITY   pCapability,

                        TW_INT16        ItemType,

                        TW_INT16        NumItems,

                        pTW_UINT8       ItemList);

extern TW_INT16     GetOneValue(pTW_CAPABILITY pCapability,

                        pTW_INT16 pItemType,pTW_INT32 pItem);

extern TW_INT16     GetRange(pTW_CAPABILITY pCapability,pTW_INT16 pItemType,

                        pTW_INT32 pMinValue,pTW_INT32 pMaxValue,pTW_INT32 pStepSize,

                        pTW_INT32 pDefaultValue,pTW_INT32 pCurrentValue);

extern TW_INT16     GetEnumeration(pTW_CAPABILITY pCapability,

                        pTW_INT16 pItemType,pTW_INT16 pNumItems,

                        pTW_INT16 pCurrentIndex,pTW_INT16 pDefaultIndex,

                        pTW_UINT8 pItemList,TW_INT16 MaxBytes);

extern TW_INT16     GetArray(   pTW_CAPABILITY  pCapability,

                        pTW_INT16       pItemType,

                        pTW_INT16       pNumItems,

                        pTW_UINT8       pItemList,

                        TW_INT16        MaxBytes);

extern TW_INT16     DumpOneValue(pTW_CAPABILITY pCapability,

                        pTW_INT16 pItemType,pTW_INT32 pItem);

extern TW_INT16     DumpRange(pTW_CAPABILITY pCapability,pTW_INT16 pItemType,

                        pTW_INT32 pMinValue,pTW_INT32 pMaxValue,pTW_INT32 pStepSize,

                        pTW_INT32 pDefaultValue,pTW_INT32 pCurrentValue);

extern TW_INT16     DumpEnumeration(pTW_CAPABILITY pCapability,

                        pTW_INT16 pItemType,pTW_INT16 pNumItems,

                        pTW_INT16 pCurrentIndex,pTW_INT16 pDefaultIndex,

                        pTW_UINT8 pItemList,TW_INT16 MaxBytes);

extern TW_INT16     DumpArray(  pTW_CAPABILITY  pCapability,

                        pTW_INT16       pItemType,

                        pTW_INT16       pNumItems,

                        pTW_UINT8       pItemList,

                        TW_INT16        MaxBytes);

extern TW_INT16     GetItemSize(TW_INT16 ItemType);

#endif

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