697 lines
14 KiB
C++
697 lines
14 KiB
C++
#include "HGTwainImpl.hpp"
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#include "../base/HGInc.h"
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extern HMODULE g_hInst;
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ULONG HGTwainDSMImpl::m_nRefCount = 0;
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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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GetIdentity();
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m_hWnd = NULL;
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m_DSMOpen = HGFALSE;
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if (0 == m_nRefCount)
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{
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WNDCLASSW wndcls;
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wndcls.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
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wndcls.lpfnWndProc = WndProc;
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wndcls.cbClsExtra = 0;
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wndcls.cbWndExtra = 0;
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wndcls.hInstance = g_hInst;
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wndcls.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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wndcls.hCursor = LoadCursor(NULL, IDC_ARROW);
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wndcls.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
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wndcls.lpszMenuName = NULL;
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wndcls.lpszClassName = L"TwainDSMWnd";
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ATOM atom = RegisterClassW(&wndcls);
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assert(0 != atom);
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}
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++m_nRefCount;
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}
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HGTwainDSMImpl::~HGTwainDSMImpl()
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{
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--m_nRefCount;
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if (0 == m_nRefCount)
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{
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UnregisterClassW(L"TwainDSMWnd", g_hInst);
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}
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}
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HGResult HGTwainDSMImpl::LoadDSM()
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{
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if (NULL != m_pDSMProc)
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{
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return HGBASE_ERR_FAIL;
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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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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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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::UnloadDSM()
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{
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if (NULL == m_pDSMProc)
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{
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return HGBASE_ERR_FAIL;
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}
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// 先必须关闭DSM
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CloseDSM();
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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::OpenDSM()
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{
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if (NULL == m_pDSMProc || m_DSMOpen)
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{
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return HGBASE_ERR_FAIL;
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}
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assert(NULL == m_hWnd);
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HWND hWnd = CreateWindowExW(0, TEXT("TwainDSMWnd"), NULL, WS_OVERLAPPEDWINDOW, -1, -1, 1, 1, NULL, (HMENU)0, g_hInst, NULL);
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assert(NULL != hWnd);
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SetWindowLongPtrW(hWnd, GWLP_USERDATA, (LONG_PTR)this);
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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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DestroyWindow(hWnd);
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return HGBASE_ERR_FAIL;
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}
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m_hWnd = hWnd;
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m_DSMOpen = HGTRUE;
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// 获取DS列表
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TW_IDENTITY ds;
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ret = m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETFIRST, &ds);
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if (TWRC_SUCCESS == ret)
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{
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HGTwainDSImpl dsImpl(this);
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memcpy(&dsImpl.ds, &ds, sizeof(TW_IDENTITY));
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m_DSList.push_back(dsImpl);
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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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HGTwainDSImpl dsImpl(this);
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memcpy(&dsImpl.ds, &ds, sizeof(TW_IDENTITY));
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m_DSList.push_back(dsImpl);
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}
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}
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::CloseDSM()
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{
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if (!m_DSMOpen)
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{
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return HGBASE_ERR_FAIL;
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}
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// 先必须关闭DS
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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CloseDS(&m_DSList[i]);
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}
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// 清理DS列表
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m_DSList.clear();
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m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_PARENT, MSG_CLOSEDSM, (TW_MEMREF)&m_hWnd);
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DestroyWindow(m_hWnd);
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m_hWnd = NULL;
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m_DSMOpen = HGFALSE;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::GetDSList(HGTwainDSImpl** ds, HGUInt* size)
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{
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if (NULL == ds || NULL == size || 0 == *size)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (!m_DSMOpen)
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{
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return HGBASE_ERR_FAIL;
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}
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HGUInt count = 0;
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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ds[i] = &m_DSList[i];
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++count;
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if (count >= *size)
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{
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break;
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}
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}
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*size = count;
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return HGBASE_ERR_OK;
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}
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HGResult HGTwainDSMImpl::GetDefaultDS(HGTwainDSImpl** ds)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (!m_DSMOpen)
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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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TW_IDENTITY defDS;
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USHORT ret = m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_GETDEFAULT, &defDS);
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if (TWRC_SUCCESS != ret)
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{
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return HGBASE_ERR_FAIL;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (0 == memcmp(&defDS, &m_DSList[i].ds, sizeof(TW_IDENTITY)))
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{
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*ds = &m_DSList[i];
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::SelectDS(HGTwainDSImpl** ds)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (!m_DSMOpen)
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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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TW_IDENTITY selectDS;
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USHORT ret = m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_USERSELECT, &selectDS);
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if (TWRC_SUCCESS != ret)
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{
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return HGBASE_ERR_FAIL;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (0 == memcmp(&selectDS, &m_DSList[i].ds, sizeof(TW_IDENTITY)))
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{
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*ds = &m_DSList[i];
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::GetDSName(HGTwainDSImpl* ds, HGChar* name, HGUInt maxLen)
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{
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if (NULL == ds || 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 (!m_DSMOpen)
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{
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return HGBASE_ERR_FAIL;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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strcpy_s(name, maxLen, m_DSList[i].ds.ProductName);
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::OpenDS(HGTwainDSImpl* ds)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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if (!m_DSMOpen)
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{
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return HGBASE_ERR_FAIL;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (m_DSList[i].open)
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{
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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_IDENTITY, MSG_OPENDS, &m_DSList[i].ds);
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if (TWRC_SUCCESS != ret)
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{
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return HGBASE_ERR_FAIL;
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}
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m_DSList[i].open = HGTRUE;
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::CloseDS(HGTwainDSImpl* ds)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].open)
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{
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return HGBASE_ERR_FAIL;
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}
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DisableDS(ds);
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m_pDSMProc(&m_AppId, NULL, DG_CONTROL, DAT_IDENTITY, MSG_CLOSEDS, (TW_MEMREF)&m_DSList[i].ds);
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m_DSList[i].open = HGFALSE;
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::SetCapability(HGTwainDSImpl* ds, HGUInt cap, HGInt value)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].open)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_UINT16 cap2 = 0;
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if (HGTWAIN_DSCAP_DUPLEX == cap)
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cap2 = CAP_DUPLEX;
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else if (HGTWAIN_DSCAP_DUPLEXENABLED == cap)
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cap2 = CAP_DUPLEXENABLED;
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else if (HGTWAIN_DSCAP_XFERCOUNT == cap)
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cap2 = CAP_XFERCOUNT;
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if (0 == cap2)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_CAPABILITY twCap;
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twCap.Cap = (TW_UINT16)cap2;
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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);
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assert(NULL != pVal);
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pVal->ItemType = TWTY_INT32;
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pVal->Item = (TW_UINT32)value;
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GlobalUnlock(twCap.hContainer);
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USHORT ret = m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_CONTROL, DAT_CAPABILITY, MSG_SET, &twCap);
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if (TWRC_SUCCESS != ret)
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{
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GlobalFree(twCap.hContainer);
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return HGBASE_ERR_FAIL;
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}
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GlobalFree(twCap.hContainer);
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::GetCapability(HGTwainDSImpl* ds, HGUInt cap, HGInt* value)
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{
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if (NULL == ds || NULL == value)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].open)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_UINT16 cap2 = 0;
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if (HGTWAIN_DSCAP_DUPLEX == cap)
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cap2 = CAP_DUPLEX;
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else if (HGTWAIN_DSCAP_DUPLEXENABLED == cap)
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cap2 = CAP_DUPLEXENABLED;
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else if (HGTWAIN_DSCAP_XFERCOUNT == cap)
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cap2 = CAP_XFERCOUNT;
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if (0 == cap2)
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{
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return HGBASE_ERR_FAIL;
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}
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TW_CAPABILITY twCap;
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twCap.Cap = (TW_UINT16)cap2;
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twCap.ConType = TWON_ONEVALUE;
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twCap.hContainer = NULL;
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USHORT ret = m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_CONTROL, DAT_CAPABILITY, MSG_GETCURRENT, &twCap);
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if (TWRC_SUCCESS != ret)
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{
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return HGBASE_ERR_FAIL;
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}
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assert(NULL != twCap.hContainer);
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pTW_ONEVALUE pVal = (pTW_ONEVALUE)GlobalLock(twCap.hContainer);
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assert(NULL != pVal);
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*value = pVal->Item;
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GlobalUnlock(twCap.hContainer);
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GlobalFree(twCap.hContainer);
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::EnableDSUIOnly(HGTwainDSImpl* ds, HGBool showUI, HWND parent, HGTwain_DSEventCallback func, HGPointer param)
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{
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if (NULL == ds || NULL == func)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].open || m_DSList[i].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_pDSMProc(&m_AppId, &m_DSList[i].ds, 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 HGBASE_ERR_FAIL;
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}
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m_DSList[i].showUI = showUI;
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m_DSList[i].parent = parent;
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m_DSList[i].func = func;
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m_DSList[i].param = param;
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m_DSList[i].enable = HGTRUE;
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::EnableDS(HGTwainDSImpl* ds, HGBool showUI, HWND parent, HGTwain_DSEventCallback func, HGPointer param)
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{
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if (NULL == ds || NULL == func)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].open || m_DSList[i].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_pDSMProc(&m_AppId, &m_DSList[i].ds, 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 HGBASE_ERR_FAIL;
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}
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m_DSList[i].showUI = showUI;
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m_DSList[i].parent = parent;
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m_DSList[i].func = func;
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m_DSList[i].param = param;
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m_DSList[i].enable = HGTRUE;
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return HGBASE_ERR_OK;
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}
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}
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return HGBASE_ERR_FAIL;
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}
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HGResult HGTwainDSMImpl::DisableDS(HGTwainDSImpl* ds)
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{
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if (NULL == ds)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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for (int i = 0; i < (int)m_DSList.size(); ++i)
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{
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if (ds == &m_DSList[i])
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{
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if (!m_DSList[i].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_DSList[i].showUI;
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twUI.hParent = (TW_HANDLE)m_DSList[i].param;
|
|
m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_CONTROL, DAT_USERINTERFACE, MSG_DISABLEDS, &twUI);
|
|
|
|
m_DSList[i].showUI = HGFALSE;
|
|
m_DSList[i].parent = NULL;
|
|
m_DSList[i].func = NULL;
|
|
m_DSList[i].param = NULL;
|
|
m_DSList[i].enable = HGFALSE;
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
}
|
|
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
HGResult HGTwainDSMImpl::ImageNativeXfer(HGTwainDSImpl* ds, HGUInt type, HGUInt origin, HGImage* image)
|
|
{
|
|
if (NULL == ds || NULL == image)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
for (int i = 0; i < (int)m_DSList.size(); ++i)
|
|
{
|
|
if (ds == &m_DSList[i])
|
|
{
|
|
if (!m_DSList[i].enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
TW_IMAGEINFO info;
|
|
if (TWRC_SUCCESS != m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_IMAGE, DAT_IMAGEINFO, MSG_GET, (TW_MEMREF)&info))
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
HANDLE hMem = NULL;
|
|
if (TWRC_XFERDONE != m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_IMAGE, DAT_IMAGENATIVEXFER, MSG_GET, &hMem))
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
HGResult ret = HGBase_CreateImageFromDIB(hMem, NULL, type, origin, image);
|
|
GlobalFree(hMem);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
HGResult HGTwainDSMImpl::EndXfer(HGTwainDSImpl* ds, HGUInt* count)
|
|
{
|
|
if (NULL == ds || NULL == count)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
for (int i = 0; i < (int)m_DSList.size(); ++i)
|
|
{
|
|
if (ds == &m_DSList[i])
|
|
{
|
|
if (!m_DSList[i].enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
TW_PENDINGXFERS twPend;
|
|
USHORT ret = m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_CONTROL, DAT_PENDINGXFERS, MSG_ENDXFER, (TW_MEMREF)&twPend);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
*count = twPend.Count;
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
}
|
|
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
HGResult HGTwainDSMImpl::Reset(HGTwainDSImpl* ds)
|
|
{
|
|
if (NULL == ds)
|
|
{
|
|
return HGBASE_ERR_INVALIDARG;
|
|
}
|
|
|
|
for (int i = 0; i < (int)m_DSList.size(); ++i)
|
|
{
|
|
if (ds == &m_DSList[i])
|
|
{
|
|
if (!m_DSList[i].enable)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
TW_PENDINGXFERS twPend;
|
|
USHORT ret = m_pDSMProc(&m_AppId, &m_DSList[i].ds, DG_CONTROL, DAT_PENDINGXFERS, MSG_RESET, (TW_MEMREF)&twPend);
|
|
if (TWRC_SUCCESS != ret)
|
|
{
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
return HGBASE_ERR_OK;
|
|
}
|
|
}
|
|
|
|
return HGBASE_ERR_FAIL;
|
|
}
|
|
|
|
void HGTwainDSMImpl::GetIdentity()
|
|
{
|
|
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 = 8;
|
|
m_AppId.Version.Language = TWLG_USA;
|
|
m_AppId.Version.Country = TWCY_USA;
|
|
strcpy(m_AppId.Version.Info, "3.8");
|
|
m_AppId.ProtocolMajor = TWON_PROTOCOLMAJOR;
|
|
m_AppId.ProtocolMinor = TWON_PROTOCOLMINOR;
|
|
m_AppId.SupportedGroups = DG_IMAGE | DG_CONTROL;
|
|
strcpy(m_AppId.Manufacturer, "MICSS");
|
|
strcpy(m_AppId.ProductFamily, "Generic");
|
|
strcpy(m_AppId.ProductName, "MyTwain");
|
|
}
|
|
|
|
LRESULT CALLBACK HGTwainDSMImpl::WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HGTwainDSMImpl *p = (HGTwainDSMImpl *)GetWindowLongPtrW(hWnd, GWLP_USERDATA);
|
|
if (NULL != p)
|
|
{
|
|
MSG msg2 = { 0 };
|
|
msg2.hwnd = hWnd;
|
|
msg2.message = msg;
|
|
msg2.wParam = wParam;
|
|
msg2.lParam = lParam;
|
|
|
|
for (int i = 0; i < (int)p->m_DSList.size(); ++i)
|
|
{
|
|
if (p->m_DSList[i].enable)
|
|
{
|
|
TW_EVENT twEvent;
|
|
twEvent.pEvent = (TW_MEMREF)&msg2;
|
|
twEvent.TWMessage = MSG_NULL;
|
|
USHORT ret = p->m_pDSMProc(&p->m_AppId, &p->m_DSList[i].ds, DG_CONTROL, DAT_EVENT,
|
|
MSG_PROCESSEVENT, (TW_MEMREF)&twEvent);
|
|
if (TWRC_DSEVENT == ret && NULL != p->m_DSList[i].func)
|
|
{
|
|
HGUInt event = HGTWAIN_DSEVENT_UNKNOWN;
|
|
if (MSG_XFERREADY == twEvent.TWMessage)
|
|
event = HGTWAIN_DSEVENT_XFERREADY;
|
|
else if (MSG_CLOSEDSREQ == twEvent.TWMessage)
|
|
event = HGTWAIN_DSEVENT_CLOSEDSREQ;
|
|
else if (MSG_CLOSEDSOK == twEvent.TWMessage)
|
|
event = HGTWAIN_DSEVENT_CLOSEDSOK;
|
|
p->m_DSList[i].func((HGTwainDS)&p->m_DSList[i], event, p->m_DSList[i].param);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return DefWindowProc(hWnd, msg, wParam, lParam);
|
|
} |