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);

#pragma pack(push)
#pragma pack(4)

/* TWAIN设备自定义信息 */
typedef struct
{
    HGInt vid;              // VID
    HGInt pid;              // PID
    HGChar sn[32];          // 设备序列号
    HGChar type[32];        // 设备型号
    HGChar fwVer[32];       // 设备固件版本号
    HGChar ip[32];          // 设备IP
    HGChar mac[32];         // 设备MAC
    HGChar driverVer[32];   // 驱动版本号
    HGChar vendor[32];      // 制造商
    HGChar copyright[32];   // 版权信息
    HGChar comUrl[128];     // 公司网址
    HGChar comTel[32];      // 公司电话
    HGChar comAddr[256];    // 公司地址
    HGChar comGps[256];     // 公司地图定位
    HGInt rollerCount;     // 滚轴计数
    HGInt totalCount;      // 历史张数
}HGTwainDeviceCustomInfo;

#pragma pack(pop)

#define HGTWAIN_EVENT_TYPE_WORKING      1L
#define HGTWAIN_EVENT_TYPE_SCANFINISHED 2L

/* ds回调
*/
typedef void (HGAPI *HGDSEventFunc)(HGTwainDS ds, HGUInt event, 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_GetDSNameWithIndex(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_OpenSelectedDSEx(HGTwainDSM dsm, HGTwainDS* ds);

HGEXPORT HGResult HGAPI HGTwain_CloseDS(HGTwainDS ds);

HGEXPORT HGResult HGAPI HGTwain_GetDSName(HGTwainDS ds, HGChar* name, HGUInt maxLen);

HGEXPORT HGResult HGAPI HGTwain_GetDSDeviceName(HGTwainDS ds, HGChar* name, HGUInt maxLen);

HGEXPORT HGResult HGAPI HGTwain_GetDSDeviceCustomInfo(HGTwainDS ds, HGTwainDeviceCustomInfo *info);

HGEXPORT HGResult HGAPI HGTwain_LoginDS(HGTwainDS ds, const HGChar *user, const HGChar *pwd);

HGEXPORT HGResult HGAPI HGTwain_LogoutDS(HGTwainDS ds);

HGEXPORT HGResult HGAPI HGTwain_ClearDSRollerCount(HGTwainDS ds);

HGEXPORT HGResult HGAPI HGTwain_GetDSDriverLog(HGTwainDS ds, const HGChar *fileName);

HGEXPORT HGResult HGAPI HGTwain_ClearDSDriverLog(HGTwainDS ds);

HGEXPORT HGResult HGAPI HGTwain_GetDSDeviceLog(HGTwainDS ds, const HGChar *fileName);

HGEXPORT HGResult HGAPI HGTwain_ClearDSDeviceLog(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_EnableDSWithSingleScan(HGTwainDS ds, HWND parent, HGDSEventFunc eventFunc, HGPointer eventParam,
    HGDSImageFunc imageFunc, HGPointer imageParam);

HGEXPORT HGResult HGAPI HGTwain_DisableDS(HGTwainDS ds);

#endif /* __HGTWAIN_H__ */