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315 lines
9.7 KiB
315 lines
9.7 KiB
#include <windows.h>
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#include <atlbase.h>
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#include "resource.h"
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#include "wia.h"
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#include "classes.h"
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#include "commctrl.h"
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extern CComPtr<IWiaDevMgr> g_pDevMgr;
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LPCTSTR cszFilePath = TEXT("%temp%\\foobar.img");
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TCHAR szFilePath[MAX_PATH] = TEXT("\0");
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class CDataCallback : public IWiaDataCallback
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{
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public:
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HRESULT STDMETHODCALLTYPE BandedDataCallback(LONG lMessage,
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LONG lStatus,
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LONG lPercentComplete,
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LONG lOffset,
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LONG lLength,
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LONG lReserved,
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LONG lResLength,
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BYTE *pbBuffer);
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HRESULT STDMETHODCALLTYPE QueryInterface(THIS_ REFIID riid, OUT PVOID *ppvObj)
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{
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*ppvObj = NULL;
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if (IsEqualGUID(riid, IID_IUnknown))
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{
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*ppvObj = static_cast<IUnknown*>(this);
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}
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else if (IsEqualGUID(riid, IID_IWiaDataCallback))
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{
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*ppvObj = static_cast<IWiaDataCallback*>(this);
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}
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else return E_NOINTERFACE;
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AddRef();
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return S_OK;
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}
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ULONG STDMETHODCALLTYPE AddRef(THIS) {
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return InterlockedIncrement (reinterpret_cast<LONG*>(&m_cRef));
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}
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ULONG STDMETHODCALLTYPE Release(void) {
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ULONG ulRet = InterlockedDecrement (reinterpret_cast<LONG*>(&m_cRef));
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if (!ulRet)
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{
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delete this;
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}
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return ulRet;
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}
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CDataCallback () : m_cRef(1), m_pBits(NULL) {};
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private:
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~CDataCallback () {if (m_pBits) delete [] m_pBits;}
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ULONG m_cRef;
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PBYTE m_pBits;
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PBYTE m_pWrite;
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LONG m_lSize;
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};
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STDMETHODIMP
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CDataCallback::BandedDataCallback(LONG lMessage,
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LONG lStatus,
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LONG lPercentComplete,
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LONG lOffset,
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LONG lLength,
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LONG lReserved,
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LONG lResLength,
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BYTE *pbData)
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{
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switch (lMessage)
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{
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case IT_MSG_DATA_HEADER:
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{
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WIA_DATA_CALLBACK_HEADER *pHead= reinterpret_cast<WIA_DATA_CALLBACK_HEADER*>(pbData);
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m_pBits = new BYTE[pHead->lBufferSize];
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if (!m_pBits)
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{
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return E_OUTOFMEMORY;
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}
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m_lSize = pHead->lBufferSize;
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m_pWrite = m_pBits;
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}
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break;
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case IT_MSG_DATA:
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{
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CopyMemory (m_pWrite, pbData, lLength);
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m_pWrite+=lLength;
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}
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break;
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case IT_MSG_TERMINATION:
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{
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if (m_pBits)
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{
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HANDLE hFile = CreateFile (szFilePath, GENERIC_WRITE,
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FILE_SHARE_READ,
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NULL,
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CREATE_ALWAYS,
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0,
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NULL);
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if (INVALID_HANDLE_VALUE != hFile)
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{
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DWORD dw = 0;
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WriteFile (hFile, m_pBits, static_cast<DWORD>(m_lSize), &dw, NULL);
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CloseHandle (hFile);
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}
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}
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}
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break;
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}
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return S_OK;
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}
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VOID
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CTest::DownloadItem (IWiaItem *pItem, DWORD &dwPix, ULONG &ulSize, bool bBanded)
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{
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HRESULT hr;
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LARGE_INTEGER liStart;
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LARGE_INTEGER liEnd;
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STGMEDIUM stg;
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PROPSPEC ps[2];
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PROPVARIANT pv[2];
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GUID guidFmt;
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WIA_DATA_TRANSFER_INFO wdti;
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CComQIPtr<IWiaPropertyStorage, &IID_IWiaPropertyStorage> pps(pItem);
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CComQIPtr<IWiaDataTransfer, &IID_IWiaDataTransfer> pXfer;
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CDataCallback *pDataCallback = NULL;
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QueryPerformanceCounter (&liStart);
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PropVariantInit (&pv[0]);
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if (!bBanded)
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{
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ZeroMemory (&stg, sizeof(stg));
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stg.pUnkForRelease = NULL;
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stg.tymed = TYMED_FILE;
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#ifdef UNICODE
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stg.lpszFileName = szFilePath;
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#else
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WCHAR szPath[MAX_PATH];
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MultiByteToWideChar (CP_ACP, 0, szFilePath, -1, szPath, MAX_PATH);
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stg.lpszFileName = szPath;
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#endif
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// stg.lpszFileName = NULL;
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}
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else
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{
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ZeroMemory (&wdti, sizeof(wdti));
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wdti.ulSize = sizeof(wdti);
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ps[0].ulKind = PRSPEC_PROPID;
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ps[0].propid = WIA_IPA_MIN_BUFFER_SIZE;
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hr = pps->ReadMultiple (1, &ps[0], &pv[0]);
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LogAPI (TEXT("IWiaPropertyStorage::ReadMultiple (WIA_IPA_MIN_BUFFER_SIZE)"), hr);
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if (hr == NOERROR)
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{
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wdti.ulBufferSize = 2*pv[0].ulVal;
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}
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else
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{
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wdti.ulBufferSize = 65536;
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}
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wdti.bDoubleBuffer = TRUE;
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PropVariantClear (&pv[0]);
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pDataCallback = new CDataCallback;
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}
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ps[0].ulKind = PRSPEC_PROPID;
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ps[0].propid = WIA_IPA_PREFERRED_FORMAT;
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hr = pps->ReadMultiple (1, &ps[0], &pv[0]);
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LogAPI (TEXT("IWiaPropertyStorage::ReadMultiple (WIA_IPA_PREFERRED_FORMAT)"), hr);
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if (NOERROR == hr)
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{
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guidFmt = *(pv[0].puuid);
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PropVariantClear (&pv[0]);
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ps[0].propid = WIA_IPA_FORMAT;
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ps[1].ulKind = PRSPEC_PROPID;
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ps[1].propid = WIA_IPA_TYMED;
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pv[0].vt = VT_CLSID;
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pv[0].puuid = &guidFmt;
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pv[1].vt = VT_I4;
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pv[1].intVal = bBanded?TYMED_CALLBACK:TYMED_FILE;
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hr = pps->WriteMultiple (2, ps, pv, 2);
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LogAPI (TEXT("IWiaPropertyStorage::WriteMultiple(WIA_IPA_FORMAT, WIA_IPA_TYMED)"), hr);
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ps[0].propid = WIA_IPA_ITEM_SIZE;
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PropVariantInit (&pv[0]);
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hr = pps->ReadMultiple (1, &ps[0], &pv[0]);
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LogAPI (TEXT("IWiaPropertyStorage::ReadMultiple(WIA_IPA_ITEM_SIZE)"), hr);
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ulSize += pv[0].ulVal;
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dwPix++;
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pXfer = pItem;
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if (!pXfer)
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{
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LogString (TEXT("Unable to QI for IWiaDataTransfer!"));
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}
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else if (!bBanded)
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{
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hr = pXfer->idtGetData (&stg, NULL);
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LogAPI (TEXT("IWiaDataTransfer::idtGetData"), hr);
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}
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else if (pDataCallback)
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{
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CComQIPtr<IWiaDataCallback, &IID_IWiaDataCallback> pcb(pDataCallback);
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hr = pXfer->idtGetBandedData (&wdti, pcb);
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LogAPI (TEXT("IWiaDataTransfer::idtGetBandedData"), hr);
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}
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}
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QueryPerformanceCounter (&liEnd);
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if (!bBanded)
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{
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DeleteFileW (const_cast<LPCWSTR>(stg.lpszFileName));
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}
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DeleteFile (const_cast<LPCTSTR>(szFilePath));
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liEnd.QuadPart = liEnd.QuadPart - liStart.QuadPart;
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LogTime (TEXT("Download time for image "), liEnd);
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if (pDataCallback)
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{
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pDataCallback->Release();
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}
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}
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VOID
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CTest::RecursiveDownload (IWiaItem *pFolder, DWORD &dwPix, ULONG &ulSize, bool bBanded)
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{
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HRESULT hr;
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CComPtr<IEnumWiaItem> pEnum;
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DWORD dw;
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CComPtr<IWiaItem> pItem;
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LONG lItemType;
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hr = pFolder->EnumChildItems(&pEnum);
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LogAPI(TEXT("IWiaItem::EnumChildItems"), hr);
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while (NOERROR == hr)
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{
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hr = pEnum->Next (1,&pItem, &dw);
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if (dw)
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{
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hr = pItem->GetItemType (&lItemType);
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LogAPI (TEXT("IWiaItem::GetItemType"), hr);
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if (lItemType & WiaItemTypeFolder)
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{
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RecursiveDownload (pItem, dwPix, ulSize);
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}
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else
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{
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DownloadItem (pItem, dwPix, ulSize, bBanded);
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}
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}
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}
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}
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VOID
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CTest::TstDownload (CTest *pThis, BSTR strDeviceId)
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{
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LARGE_INTEGER liStart;
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LARGE_INTEGER liEnd;
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ULONG ulTotalSize = 0;
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DWORD dwPix = 0;
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HRESULT hr;
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TCHAR sz[200];
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CComPtr<IWiaItem> pRoot;
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ExpandEnvironmentStrings (cszFilePath, szFilePath, MAX_PATH);
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pThis->LogString (TEXT("--> Start test for idtGetData (no callback)"));
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pThis->LogString (TEXT("Note that the total log time in this test includes time for logging!"));
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QueryPerformanceCounter (&liStart);
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hr = g_pDevMgr->CreateDevice (strDeviceId, &pRoot);
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pThis->LogAPI(TEXT("IWiaDevMgr::CreateDevice"), hr);
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if (SUCCEEDED(hr))
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{
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pThis->RecursiveDownload (pRoot, dwPix, ulTotalSize);
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}
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QueryPerformanceCounter (&liEnd);
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liEnd.QuadPart = liEnd.QuadPart - liStart.QuadPart;
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wsprintf (sz, TEXT("Total pix:%d, Total size:%d kilobytes"), dwPix, ulTotalSize/1024);
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pThis->LogTime (sz, liEnd);
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}
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VOID
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CTest::TstBandedDownload (CTest *pThis, BSTR strDeviceId)
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{
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LARGE_INTEGER liStart;
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LARGE_INTEGER liEnd;
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ULONG ulTotalSize = 0;
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DWORD dwPix = 0;
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HRESULT hr;
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TCHAR sz[200];
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CComPtr<IWiaItem> pRoot;
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ExpandEnvironmentStrings (cszFilePath, szFilePath, MAX_PATH);
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pThis->LogString (TEXT("--> Start test for idtGetBandedData "));
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pThis->LogString (TEXT("Note that the total log time in this test includes time for logging!"));
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QueryPerformanceCounter (&liStart);
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hr = g_pDevMgr->CreateDevice (strDeviceId, &pRoot);
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pThis->LogAPI(TEXT("IWiaDevMgr::CreateDevice"), hr);
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if (SUCCEEDED(hr))
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{
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pThis->RecursiveDownload (pRoot, dwPix, ulTotalSize, true);
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}
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QueryPerformanceCounter (&liEnd);
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liEnd.QuadPart = liEnd.QuadPart - liStart.QuadPart;
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wsprintf (sz, TEXT("Total pix:%d, Total size:%d kilobytes"), dwPix, ulTotalSize/1024);
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pThis->LogTime (sz, liEnd);
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}
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