code_app/modules/twain_user/HGTwain.h

#ifndef __HGTWAIN_H__
#define __HGTWAIN_H__

#include "../base/HGDef.h"
#include "../base/HGBaseErr.h"
#include "HGTwainErr.h"
#include "../base/HGImage.h"

HG_DECLARE_HANDLE(HGTwainDSM);
HG_DECLARE_HANDLE(HGTwainDS);

/* ds回调
*/
typedef void (HGAPI *HGDSEventFunc)(HGTwainDS ds, HGUInt error, const HGChar* errInfo, HGPointer param);
typedef void (HGAPI* HGDSImageFunc)(HGTwainDS ds, HGImage image, HGPointer param);

HGEXPORT HGResult HGAPI HGTwain_CreateDSM(HWND hwnd, HGTwainDSM *dsm);

HGEXPORT HGResult HGAPI HGTwain_DestroyDSM(HGTwainDSM dsm);

HGEXPORT HGResult HGAPI HGTwain_GetDSCount(HGTwainDSM dsm, HGUInt* count);

HGEXPORT HGResult HGAPI HGTwain_GetDSName(HGTwainDSM dsm, HGUInt index, HGChar* name, HGUInt maxLen);

HGEXPORT HGResult HGAPI HGTwain_OpenDS(HGTwainDSM dsm, HGUInt index, HGTwainDS *ds);

HGEXPORT HGResult HGAPI HGTwain_OpenDefaultDS(HGTwainDSM dsm, HGTwainDS* ds);

HGEXPORT HGResult HGAPI HGTwain_OpenSelectedDS(HGTwainDSM dsm, HGTwainDS* ds);

HGEXPORT HGResult HGAPI HGTwain_CloseDS(HGTwainDS ds);

HGEXPORT HGResult HGAPI HGTwain_EnableDSUIOnly(HGTwainDS ds, HWND parent, HGDSEventFunc eventFunc, HGPointer eventParam);

HGEXPORT HGResult HGAPI HGTwain_EnableDS(HGTwainDS ds, HGBool showUI, HWND parent, HGDSEventFunc eventFunc, HGPointer eventParam,
	HGDSImageFunc imageFunc, HGPointer imageParam);

HGEXPORT HGResult HGAPI HGTwain_DisableDS(HGTwainDS ds);

#endif /* __HGTWAIN_H__ */