#include?“scaninterface.h“
#include?“./ui/constants/constants.h“


#define?ICAP_EXT_PAPERWIDTH?（CAP_CUSTOMbase?+?2）
#define?ICAP_EXT_PAPERHEIGHT?（CAP_CUSTOMbase?+?3）


//?靜態成員變量需要在類體的外面進行初始化
ScanInterface*?ScanInterface::m_pScanInterface?;//=?new?ScanInterface（）;

ScanInterface*?ScanInterface::GetInstance（）
{

????if（m_pScanInterface?==?NULL）
????{
????????m_pScanInterface?=?new?ScanInterface（）;
????}
????return?m_pScanInterface;
}

void?ScanInterface::ReleaseTwain（）
{



????qDebug（）<<“ReleaseTwain:m_state=“<
????if?（m_state?>?3）
????{
????????CloseDS（）;
????}

????if?（m_state?>?2）
????{
????????CloseDSM（）;
????}
????//?Unload?the?Source?Manager
????if（m_hTwainDLL）{
????????qDebug（）<<“free?libray?“;
????????FreeLibrary（m_hTwainDLL）;
????????m_hTwainDLL?=?NULL;
????????m_state?=?1;
????}
????if?（m_pScanInterface?!=?NULL）
????{
????????delete?m_pScanInterface;
????????m_pScanInterface?=?NULL;
????}
}

ScanInterface::ScanInterface（Qobject?*parent）?:?Qobject（parent）
{
????m_pngIndex?=?0;
????m_state?=?0;
????DSM_Entry?=?NULL;
????m_hTwainDLL?=?NULL;

????m_bDSMOpen?=?false;
????m_bDSOpen?=?false;
????m_bSourceEnabled?=?false;
????m_bSourceSelected?=?false;



}

ScanInterface::~ScanInterface（）
{
}


void?ScanInterface::SetTwain（HWND?winId）
{
????m_winId?=?winId;
????m_twUI.hParent?=?m_winId;
????m_twUI.ShowUI?=?false;
}



int?ScanInterface::InitTwain（）
{
????GetIdentity（）;
????InitTwainDll（）;
????OpenDSM（）;
????return?0;
}


TW_UINT16?ScanInterface::SetCapOneValue（DSMENTRYPROC?DSM_Entry?pTW_IDENTITY?pappid?pTW_IDENTITY?pdsid?TW_UINT16?capid?TW_UINT16?type?TW_UINT32?val）
{
????TW_UINT16?twRC?=?TWRC_FAILURE;
????TW_CAPABILITY?cap?=?{0};
????pTW_ONEVALUE?pOneValue?=?NULL;

????memset（&cap?0?sizeof（TW_CAPABILITY））;
????cap.Cap?=?capid;
????cap.ConType?=?TWON_ONEVALUE;
????cap.hContainer?=?GlobalAlloc（GHND?sizeof（TW_ONEVALUE））;
????if?（cap.hContainer）
????{
????????pOneValue?=?（pTW_ONEVALUE）GlobalLock（cap.hContainer）;
????????pOneValue->ItemType?=?type;
????????pOneValue->Item?=?val;
????????GlobalUnlock（cap.hContainer）;
????????twRC?=?DSM_Entry（pappid?pdsid?DG_CONTROL?DAT_CAPABILITY?MSG_SET?&cap）;
????????GlobalFree（cap.hContainer）;
????}

????return?twRC;
}
void?ScanInterface::GetIdentity（）
{
????//?Expects?all?the?fields?in?m_AppId?to?be?set?except?for?the?id?field.
????m_AppId.Id?=?0;?//?Initialize?to?0?（Source?Manager
????//?will?assign?real?value）
????m_AppId.Version.MajorNum?=?3;?//Your?app‘s?version?number
????m_AppId.Version.MinorNum?=?5;
????m_AppId.Version.Language?=?TWLG_USA;
????m_AppId.Version.Country?=?TWCY_USA;
????strcpy_s?（m_AppId.Version.Info?“3.5“）;
????m_AppId.ProtocolMajor?=?TWON_PROTOCOLMAJOR;
????m_AppId.ProtocolMinor?=?TWON_PROTOCOLMINOR;
????m_AppId.SupportedGroups?=?DG_IMAGE?|?DG_CONTROL;
????strcpy_s?（m_AppId.Manufacturer?“MICSS“）;
????strcpy_s?（m_AppId.Product

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????21301??2019-04-25?17:22??Qt5Twain\scaninterface.cpp

?????文件???????3643??2019-04-04?15:31??Qt5Twain\scaninterface.h

?????文件????????944??2019-03-05?19:48??Qt5Twain\stdafx.h

?????文件??????79803??2019-03-05?19:48??Qt5Twain\twain.h

?????目錄??????????0??2019-05-09?15:28??Qt5Twain

-----------?---------??----------?-----??----

???????????????105691????????????????????5