652 lines
14 KiB
C++
652 lines
14 KiB
C++
#include "HGTwainImpl.hpp"
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#include "../base/HGInc.h"
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#include "../base/HGInfo.h"
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std::map<HWND, HGTwainDSMImpl*> HGTwainDSMImpl::m_mapWnd;
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HGTwainDSMImpl::HGTwainDSMImpl()
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{
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m_hDll = NULL;
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m_pDSMProc = NULL;
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m_AppId.Id = 0; // Initialize to 0 (Source Manager will assign real value)
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m_AppId.Version.MajorNum = 3; //Your app's version number
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m_AppId.Version.MinorNum = 8;
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m_AppId.Version.Language = TWLG_USA;
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m_AppId.Version.Country = TWCY_USA;
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strcpy(m_AppId.Version.Info, "3.8");
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m_AppId.ProtocolMajor = TWON_PROTOCOLMAJOR;
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m_AppId.ProtocolMinor = TWON_PROTOCOLMINOR;
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m_AppId.SupportedGroups = DG_IMAGE | DG_CONTROL;
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strcpy(m_AppId.Manufacturer, "MICSS");
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strcpy(m_AppId.ProductFamily, "Generic");
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strcpy(m_AppId.ProductName, "MyTwain");
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m_hWnd = NULL;
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m_oldWndProc = NULL;
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}
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HGTwainDSMImpl::~HGTwainDSMImpl()
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{
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}
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HGResult HGTwainDSMImpl::Create(HWND hwnd)
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{
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assert(NULL == m_oldWndProc);
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if (NULL == hwnd)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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assert(NULL == m_hDll);
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HGBase_CreateDll("twain_32.dll", &m_hDll);
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if (NULL == m_hDll)
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{
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return HGBASE_ERR_FAIL;
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}
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assert(NULL == m_pDSMProc);
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HGBase_GetDllProcAddress(m_hDll, MAKEINTRESOURCEA(1), (HGPointer*)&m_pDSMProc);
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if (NULL == m_pDSMProc)
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{
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HGBase_DestroyDll(m_hDll);
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m_hDll = NULL;
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return HGBASE_ERR_FAIL;
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}
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USHORT ret = m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_PARENT, MSG_OPENDSM, (TW_MEMREF)&hwnd);
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if (TWRC_SUCCESS != ret)
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{
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m_pDSMProc = NULL;
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HGBase_DestroyDll(m_hDll);
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m_hDll = NULL;
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return HGTWAIN_ERR_FAIL;
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}
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m_hWnd = hwnd;
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m_mapWnd[m_hWnd] = this;
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m_oldWndProc = (WNDPROC)SetWindowLongPtrW(m_hWnd, GWLP_WNDPROC, (LONG_PTR)NewWndProc);
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::Destroy()
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{
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assert(NULL != m_oldWndProc);
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if (!m_listDSImpl.empty())
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{
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return HGBASE_ERR_FAIL;
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}
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m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_PARENT, MSG_CLOSEDSM, (TW_MEMREF)&m_hWnd);
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SetWindowLongPtrW(m_hWnd, GWLP_WNDPROC, (LONG_PTR)m_oldWndProc);
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m_oldWndProc = NULL;
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std::map<HWND, HGTwainDSMImpl*>::iterator iter;
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for (iter = m_mapWnd.begin(); iter != m_mapWnd.end(); ++iter)
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{
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if (iter->first == m_hWnd)
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{
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m_mapWnd.erase(iter);
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break;
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}
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}
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m_hWnd = NULL;
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m_pDSMProc = NULL;
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HGBase_DestroyDll(m_hDll);
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m_hDll = NULL;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::GetDSCount(HGUInt* count)
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{
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if (NULL == count)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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HGUInt num = 0;
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TW_IDENTITY ds;
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if (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETFIRST, &ds))
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{
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++num;
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while (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETNEXT, &ds))
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{
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++num;
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}
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}
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*count = num;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::GetDSName(HGUInt index, HGChar* name, HGUInt maxLen)
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{
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if (NULL == name || 0 == maxLen)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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std::vector<TW_IDENTITY> vds;
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TW_IDENTITY ds;
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if (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETFIRST, &ds))
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{
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vds.push_back(ds);
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while (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETNEXT, &ds))
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{
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vds.push_back(ds);
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}
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}
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if (index >= (HGUInt)vds.size())
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return HGBASE_ERR_INVALIDARG;
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if (maxLen < strlen(vds[index].ProductName) + 1)
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return HGBASE_ERR_FAIL;
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strcpy(name, vds[index].ProductName);
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::OpenDS(HGUInt index, class HGTwainDSImpl** dsImpl)
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{
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if (NULL == dsImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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std::vector<TW_IDENTITY> vds;
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TW_IDENTITY ds;
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if (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETFIRST, &ds))
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{
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vds.push_back(ds);
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while (TWRC_SUCCESS == m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETNEXT, &ds))
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{
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vds.push_back(ds);
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}
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}
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if (index >= (HGUInt)vds.size())
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return HGBASE_ERR_INVALIDARG;
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class HGTwainDSImpl* newDSImpl = new HGTwainDSImpl(this);
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HGResult ret = newDSImpl->Open(&vds[index]);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDSImpl;
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return ret;
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}
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m_listDSImpl.push_back(newDSImpl);
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*dsImpl = newDSImpl;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::OpenDefaultDS(class HGTwainDSImpl** dsImpl)
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{
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if (NULL == dsImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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TW_IDENTITY defDS;
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if (TWRC_SUCCESS != m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETDEFAULT, &defDS))
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{
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return HGTWAIN_ERR_FAIL;
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}
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class HGTwainDSImpl* newDSImpl = new HGTwainDSImpl(this);
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HGResult ret = newDSImpl->Open(&defDS);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDSImpl;
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return ret;
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}
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m_listDSImpl.push_back(newDSImpl);
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*dsImpl = newDSImpl;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::OpenSelectedDS(class HGTwainDSImpl** dsImpl)
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{
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if (NULL == dsImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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TW_IDENTITY selectDS;
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if (TWRC_SUCCESS != m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_USERSELECT, &selectDS))
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{
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return HGTWAIN_ERR_FAIL;
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}
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class HGTwainDSImpl* newDSImpl = new HGTwainDSImpl(this);
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HGResult ret = newDSImpl->Open(&selectDS);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDSImpl;
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return ret;
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}
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m_listDSImpl.push_back(newDSImpl);
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*dsImpl = newDSImpl;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::OpenSelectedDSEx(class HGTwainDSImpl** dsImpl)
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{
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if (NULL == dsImpl)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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TW_IDENTITY selectDS;
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memset(&selectDS, 0, sizeof(TW_IDENTITY));
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if (-2 == show_twain_srclist_ui(m_pDSMProc, &m_AppId, m_hWnd, &selectDS))
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{
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return HGBASE_ERR_NOTSUPPORT;
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}
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if (0 == selectDS.Id)
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{
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return HGBASE_ERR_FAIL;
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}
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class HGTwainDSImpl* newDSImpl = new HGTwainDSImpl(this);
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HGResult ret = newDSImpl->Open(&selectDS);
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if (HGBASE_ERR_OK != ret)
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{
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delete newDSImpl;
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return ret;
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}
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m_listDSImpl.push_back(newDSImpl);
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*dsImpl = newDSImpl;
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return HGBASE_ERR_OK;
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}
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void HGTwainDSMImpl::RemoveDS(class HGTwainDSImpl* dsImpl)
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{
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std::vector<class HGTwainDSImpl*>::iterator iter;
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for (iter = m_listDSImpl.begin(); iter != m_listDSImpl.end(); ++iter)
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{
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if (*iter == dsImpl)
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{
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m_listDSImpl.erase(iter);
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delete dsImpl;
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break;
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}
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}
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}
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LRESULT CALLBACK HGTwainDSMImpl::NewWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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HGTwainDSMImpl* p = m_mapWnd[hWnd];
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assert(NULL != p);
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MSG msg2 = { 0 };
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msg2.hwnd = hWnd;
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msg2.message = msg;
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msg2.wParam = wParam;
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msg2.lParam = lParam;
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for (int i = 0; i < (int)p->m_listDSImpl.size(); ++i)
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{
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if (p->m_listDSImpl[i]->m_enable)
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{
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TW_EVENT twEvent;
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twEvent.pEvent = (TW_MEMREF)&msg2;
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twEvent.TWMessage = MSG_NULL;
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USHORT ret = p->m_pDSMProc(&p->m_AppId, &p->m_listDSImpl[i]->m_iden, DG_CONTROL, DAT_EVENT,
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MSG_PROCESSEVENT, (TW_MEMREF)&twEvent);
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if (TWRC_DSEVENT == ret)
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{
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if (MSG_XFERREADY == twEvent.TWMessage)
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{
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while (1)
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{
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HGImage image = NULL;
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p->m_listDSImpl[i]->ImageNativeXfer(0, 0, &image);
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if (NULL != image)
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{
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if (NULL != p->m_listDSImpl[i]->m_imageFunc)
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p->m_listDSImpl[i]->m_imageFunc((HGTwainDS)p->m_listDSImpl[i], image, p->m_listDSImpl[i]->m_imageParam);
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HGBase_DestroyImage(image);
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}
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HGUInt count = 0;
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p->m_listDSImpl[i]->EndXfer(&count);
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if (0 == count)
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{
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break;
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}
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}
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p->m_listDSImpl[i]->Reset();
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}
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else if (MSG_CLOSEDSREQ == twEvent.TWMessage)
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{
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if (NULL != p->m_listDSImpl[i]->m_eventFunc)
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p->m_listDSImpl[i]->m_eventFunc((HGTwainDS)p->m_listDSImpl[i], p->m_listDSImpl[i]->m_eventParam);
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}
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}
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}
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}
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return CallWindowProcW(p->m_oldWndProc, hWnd, msg, wParam, lParam);
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}
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HGTwainDSImpl::HGTwainDSImpl(HGTwainDSMImpl* dsmImpl)
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{
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m_dsmImpl = dsmImpl;
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memset(&m_iden, 0, sizeof(TW_IDENTITY));
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m_open = HGFALSE;
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m_showUI = HGFALSE;
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m_parent = NULL;
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m_eventFunc = NULL;
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m_eventParam = NULL;
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m_imageFunc = NULL;
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m_imageParam = NULL;
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m_enable = HGFALSE;
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}
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HGTwainDSImpl::~HGTwainDSImpl()
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{
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}
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HGResult HGTwainDSImpl::Open(TW_IDENTITY* iden)
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{
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assert(!m_open);
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assert(NULL != iden);
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USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_OPENDS, iden);
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if (TWRC_SUCCESS != ret)
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{
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return HGTWAIN_ERR_FAIL;
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}
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memcpy(&m_iden, iden, sizeof(TW_IDENTITY));
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m_open = HGTRUE;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::Close()
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{
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assert(m_open);
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Disable();
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m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_CLOSEDS, (TW_MEMREF)&m_iden);
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m_open = HGFALSE;
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m_dsmImpl->RemoveDS(this);
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::GetName(HGChar* name, HGUInt maxLen)
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{
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if (NULL == name || 0 == maxLen)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (maxLen < strlen(m_iden.ProductName) + 1)
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return HGBASE_ERR_FAIL;
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strcpy(name, m_iden.ProductName);
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::GetDeviceCustomInfo(HGTwainDeviceCustomInfo *info)
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{
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if (NULL == info)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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HGChar value[256] = {0};
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memset(info, 0, sizeof(HGTwainDeviceCustomInfo));
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GetCap(CAP_SERIALNUMBER, value, 256);
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strcpy(info->sn, value);
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GetCap(0x8025, value, 256);
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strcpy(info->fwVer, value);
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GetCap(0x8200, value, 256);
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strcpy(info->ip, value);
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::EnableUIOnly(HWND parent, HGDSCloseReqFunc eventFunc, HGPointer eventParam)
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{
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if (m_enable)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_USERINTERFACE twUI;
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twUI.ShowUI = (TW_BOOL)HGTRUE;
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twUI.hParent = (TW_HANDLE)parent;
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USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_USERINTERFACE, MSG_ENABLEDSUIONLY, (TW_MEMREF)&twUI);
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if (TWRC_SUCCESS != ret)
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{
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return HGTWAIN_ERR_FAIL;
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}
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m_showUI = HGTRUE;
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m_parent = parent;
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m_eventFunc = eventFunc;
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m_eventParam = eventParam;
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m_imageFunc = NULL;
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m_imageParam = NULL;
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m_enable = HGTRUE;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::Enable(HGBool showUI, HWND parent, HGDSCloseReqFunc eventFunc, HGPointer eventParam,
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HGDSImageFunc imageFunc, HGPointer imageParam)
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{
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if (m_enable)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_USERINTERFACE twUI;
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twUI.ShowUI = (TW_BOOL)showUI;
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twUI.hParent = (TW_HANDLE)parent;
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USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_USERINTERFACE, MSG_ENABLEDS, (TW_MEMREF)&twUI);
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if (TWRC_SUCCESS != ret)
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{
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return HGTWAIN_ERR_FAIL;
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}
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m_showUI = showUI;
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m_parent = parent;
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m_eventFunc = eventFunc;
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m_eventParam = eventParam;
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m_imageFunc = imageFunc;
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m_imageParam = imageParam;
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m_enable = HGTRUE;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::Disable()
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{
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if (!m_enable)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_USERINTERFACE twUI;
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twUI.ShowUI = (TW_BOOL)m_showUI;
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twUI.hParent = (TW_HANDLE)m_parent;
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m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_USERINTERFACE, MSG_DISABLEDS, &twUI);
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m_showUI = HGFALSE;
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m_parent = NULL;
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m_eventFunc = NULL;
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m_eventParam = NULL;
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m_imageFunc = NULL;
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m_imageParam = NULL;
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m_enable = HGFALSE;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSImpl::SetCap(HGUInt cap, HGInt value)
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{
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TW_CAPABILITY twCap;
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twCap.Cap = (TW_UINT16)cap;
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twCap.ConType = TWON_ONEVALUE;
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twCap.hContainer = GlobalAlloc(GHND, sizeof(TW_ONEVALUE));
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if (NULL == twCap.hContainer)
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{
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return HGBASE_ERR_FAIL;
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}
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pTW_ONEVALUE pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
|
|
assert(NULL != pVal);
|
|
pVal->ItemType = TWTY_INT32;
|
|
pVal->Item = (TW_UINT32)value;
|
|
GlobalUnlock(twCap.hContainer);
|
|
|
|
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_SET, &twCap);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
GlobalFree(twCap.hContainer);
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
GlobalFree(twCap.hContainer);
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
|
|
HGResult HGTwainDSImpl::GetCap(HGUInt cap, HGInt* value)
|
|
{
|
|
if (NULL == value)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
TW_CAPABILITY twCap;
|
|
twCap.Cap = (TW_UINT16)cap;
|
|
twCap.ConType = TWON_ONEVALUE;
|
|
twCap.hContainer = NULL;
|
|
|
|
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_GETCURRENT, &twCap);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
assert(NULL != twCap.hContainer);
|
|
pTW_ONEVALUE pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
|
|
assert(NULL != pVal);
|
|
*value = pVal->Item;
|
|
GlobalUnlock(twCap.hContainer);
|
|
|
|
GlobalFree(twCap.hContainer);
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
|
|
HGResult HGTwainDSImpl::GetCap(HGUInt cap, HGChar *value, HGUInt maxLen)
|
|
{
|
|
if (NULL == value || 0 == maxLen)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
TW_CAPABILITY twCap;
|
|
twCap.Cap = (TW_UINT16)cap;
|
|
twCap.ConType = TWON_ONEVALUE;
|
|
twCap.hContainer = NULL;
|
|
|
|
USHORT rc = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_CAPABILITY, MSG_GETCURRENT, &twCap);
|
|
if (TWRC_SUCCESS != rc)
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
HGResult ret = HGBASE_ERR_INVALIDARG;
|
|
assert(NULL != twCap.hContainer);
|
|
pTW_ONEVALUE pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
|
|
assert(NULL != pVal);
|
|
if (maxLen > strlen((char *)&pVal->Item))
|
|
{
|
|
strcpy(value, (char *)&pVal->Item);
|
|
ret = HGBASE_ERR_OK;
|
|
}
|
|
GlobalUnlock(twCap.hContainer);
|
|
|
|
GlobalFree(twCap.hContainer);
|
|
return ret;
|
|
}
|
|
|
|
HGResult HGTwainDSImpl::ImageNativeXfer(HGUInt type, HGUInt origin, HGImage* image)
|
|
{
|
|
if (!m_enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
if (NULL == image)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
TW_IMAGEINFO info;
|
|
if (TWRC_SUCCESS != m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_IMAGE, DAT_IMAGEINFO, MSG_GET, (TW_MEMREF)&info))
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
HANDLE hMem = NULL;
|
|
if (TWRC_XFERDONE != m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_IMAGE, DAT_IMAGENATIVEXFER, MSG_GET, &hMem))
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
HGResult ret = HGBase_CreateImageFromDIB(hMem, NULL, type, origin, image);
|
|
GlobalFree(hMem);
|
|
return ret;
|
|
}
|
|
|
|
HGResult HGTwainDSImpl::EndXfer(HGUInt* count)
|
|
{
|
|
if (!m_enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
if (NULL == count)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
TW_PENDINGXFERS twPend;
|
|
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_PENDINGXFERS, MSG_ENDXFER, (TW_MEMREF)&twPend);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
*count = twPend.Count;
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
|
|
HGResult HGTwainDSImpl::Reset()
|
|
{
|
|
if (!m_enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
TW_PENDINGXFERS twPend;
|
|
USHORT ret = m_dsmImpl->m_pDSMProc(&m_dsmImpl->m_AppId, &m_iden, DG_CONTROL, DAT_PENDINGXFERS, MSG_RESET, (TW_MEMREF)&twPend);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
return HGTWAIN_ERR_FAIL;
|
|
}
|
|
|
|
return HGBASE_ERR_OK;
|
|
}
|