/******************************************************************************* * * (C) COPYRIGHT MICROSOFT CORP., 2000 * * TITLE: IWiaMiniDrv.cpp * * VERSION: 1.0 * * DATE: 18 July, 2000 * * DESCRIPTION: * Implementation of the WIA sample scanner IWiaMiniDrv methods. * *******************************************************************************/ #include "pch.h" extern HINSTANCE g_hInst; // used for WIAS_LOGPROC macro #define EST_PAGE_LENGTH_INCHES 17 // 17 inches /**************************************************************************\ * CWIAScannerDevice::drvDeleteItem * * This helper is called to delete a device item. * Note: Device items for this device may not be modified. * Return access denied. * * Arguments: * * pWiasContext - Indicates the item to delete. * lFlags - Operation flags, unused. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvDeleteItem( BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal) { *plDevErrVal = 0; CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvDeleteItem"); return STG_E_ACCESSDENIED; } /**************************************************************************\ * SendImageHeader * * This helper is called to send the bitmap header info to the callback * routine. * Note: This is a helper function used in TYMED_CALLBACK transfers. * * Arguments: * * pmdtc - a pointer to a transfer context. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::SendImageHeader( PMINIDRV_TRANSFER_CONTEXT pmdtc) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::SendImageHeader"); HRESULT hr = S_OK; if(pmdtc->guidFormatID == WiaImgFmt_BMP){ BITMAPINFO UNALIGNED *pbmi = (LPBITMAPINFO)pmdtc->pTransferBuffer; UNALIGNED BITMAPINFOHEADER *pbmih = &pbmi->bmiHeader; pbmih->biHeight = -pbmih->biHeight; } // // Send to class driver. WIA Class driver will pass // data through to client. // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_DATA, IT_STATUS_TRANSFER_TO_CLIENT, 0, 0, pmdtc->lHeaderSize, pmdtc, 0); if (hr == S_OK) { // // If the transfer was successfull, advance offset for // destination copy by the size of the data just sent. // pmdtc->cbOffset += pmdtc->lHeaderSize; } return hr; } /**************************************************************************\ * SendFilePreviewBitmapHeader * * This helper is called to send the bitmap header info to the callback * routine. * Note: This is a helper function used in TYMED_FILE transfers with * (out of band data) enabled. * * Arguments: * * pmdtc - a pointer to a transfer context. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::SendFilePreviewImageHeader( PMINIDRV_TRANSFER_CONTEXT pmdtc) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::SendImageHeader"); HRESULT hr = S_OK; WIAS_DOWN_SAMPLE_INFO DownSampleInfo; memset(&DownSampleInfo,0,sizeof(DownSampleInfo)); DownSampleInfo.ulBitsPerPixel = pmdtc->lDepth; DownSampleInfo.ulOriginalWidth = pmdtc->lWidthInPixels; DownSampleInfo.ulOriginalHeight = pmdtc->lLines; DownSampleInfo.ulDownSampledHeight = 0; DownSampleInfo.ulDownSampledWidth = 0; DownSampleInfo.ulXRes = pmdtc->lXRes; DownSampleInfo.ulYRes = pmdtc->lYRes; hr = wiasDownSampleBuffer(0x1/*WIAS_GET_DOWNSAMPLED_SIZE_ONLY*/, &DownSampleInfo); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SendFilePreviewBitmapHeader, wiasDownSampleBuffer Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } else { // // acquire BITMAPHEADER pointer from pmdtc // pmdtc->pBaseBuffer = pmdtc->pTransferBuffer + sizeof(BITMAPFILEHEADER); BITMAPINFO UNALIGNED *pbmi = (LPBITMAPINFO)pmdtc->pBaseBuffer; UNALIGNED BITMAPINFOHEADER *pbmih = &pbmi->bmiHeader; // // adjust width and height // pbmih->biHeight = 0; // set height to zero (0) pbmih->biWidth = DownSampleInfo.ulDownSampledWidth; // set down sampled width // // Send to class driver. WIA Class driver will pass // data through to client. // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_FILE_PREVIEW_DATA, IT_STATUS_TRANSFER_TO_CLIENT, 0, 0, pmdtc->lHeaderSize - sizeof(BITMAPFILEHEADER), pmdtc, 0); } return hr; } /**************************************************************************\ * ScanItem * * This helper is called to do a FILE transfer. * Note: This routine must fill the complete buffer, and return percent * complete status back to the client if a callback routine is * provided. * * Arguments: * * pItemContext - private item data * pMiniTranCtx - minidriver supplied transfer info * plDevErrVal - device error value * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::ScanItem( PMINIDRIVERITEMCONTEXT pItemContext, PMINIDRV_TRANSFER_CONTEXT pmdtc, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::ScanItem"); HRESULT hr = S_OK; LONG lScanPhase = SCAN_START; DWORD cbWritten = 0; LONG cbSize = 0; PBYTE pBuf = pmdtc->pTransferBuffer + pmdtc->lHeaderSize; LONG lItemSize = pmdtc->lHeaderSize; BYTE *pImageHeader = NULL; LONG cbEstimatedPageSize = (pItemContext->lBytesPerScanLine * (pmdtc->lYRes * EST_PAGE_LENGTH_INCHES)); // // data operation variables // BOOL bSwapBGRData = TRUE; BOOL bDWORDAlign = TRUE; BOOL bVerticalFlip = FALSE; LONG lTotalLinesWritten = 0; ULONG ulDestDataOffset = 0; pImageHeader = (BYTE*)LocalAlloc(LPTR,pmdtc->lHeaderSize); if (pImageHeader) { // // save image header, so we can update it later with correct number of lines..and size // memcpy(pImageHeader,pmdtc->pTransferBuffer,pmdtc->lHeaderSize); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, Could not allocate memory for FILE HEADER")); return E_OUTOFMEMORY; } // // send down sample header for out of band data // WIAS_DOWN_SAMPLE_INFO DownSampleInfo; memset(&DownSampleInfo,0,sizeof(DownSampleInfo)); hr = SendFilePreviewImageHeader(pmdtc); if(hr == S_OK){ // // move offset past file header // ulDestDataOffset += (pmdtc->lHeaderSize - sizeof(BITMAPFILEHEADER)); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, SendFilePreviewImageHeader Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // scan until buffer runs out or scanner completes transfer // while ((lScanPhase == SCAN_START) || (cbWritten)) { // // Limit requests to max buffer size or less. // cbSize = m_MaxBufferSize; // // Request size to scanner must be modula the raw bytes per scan row. // Enough space for the alignment padding must be reserved. // These are requirements for AlignInPlace // cbSize = (cbSize / pItemContext->lBytesPerScanLine) * pItemContext->lBytesPerScanLineRaw; // // Device specific call to get data from the scanner and put it into // a buffer. lScanPhase indicates whether this is the first call to Scan, // pBuf is a pointer to the buffer, cbSize is the amount of data // requested from the scanner, and cbWritten will be set to the actual // amount of data returned by the scanner. // hr = m_pScanAPI->FakeScanner_Scan(lScanPhase, pBuf, cbSize, &cbWritten); // // set flag to SCAN_CONTINUE, for other calls // lScanPhase = SCAN_CONTINUE; if (hr == S_OK) { if (cbWritten) { // // keep track of how many lines were written // lTotalLinesWritten += (cbWritten / pItemContext->lBytesPerScanLine); // // Place the scan data in correct byte order for 3 bytes ber pixel data. // if ((pmdtc->lDepth == 24) && ((pmdtc->guidFormatID == WiaImgFmt_BMP) || ((pmdtc->guidFormatID == WiaImgFmt_MEMORYBMP)))) { if (bSwapBGRData) { SwapBuffer24(pBuf, cbWritten); } } if (((pmdtc->guidFormatID == WiaImgFmt_BMP) || ((pmdtc->guidFormatID == WiaImgFmt_MEMORYBMP)))) { // // Align the data on DWORD boundries. // if (bDWORDAlign) { cbWritten = AlignInPlace(pBuf, cbWritten, pItemContext->lBytesPerScanLine, pItemContext->lBytesPerScanLineRaw); } } // // update lItemSize // if(lItemSize > 0){ // // we have a header size already calculated in lItemSize, // so add cbWritten to current size. // lItemSize += cbWritten; } else { // // this is pure data, no header // lItemSize = cbWritten; } // // decrease estimated page size, for (estimated percent complete calculation) // cbEstimatedPageSize -= lItemSize; // // avoid division by zero, by setting cbEstimatedPageSize to 1 // if(cbEstimatedPageSize < 0){ cbEstimatedPageSize = 1; } // // If a status callback was specified callback the class driver. // if (pmdtc->pIWiaMiniDrvCallBack) { FLOAT FractionComplete = 0.0f; LONG PercentComplete = 0; FractionComplete = (FLOAT)(lTotalLinesWritten * pItemContext->lBytesPerScanLineRaw) / (FLOAT)cbEstimatedPageSize; if (FractionComplete > 0.9f) { FractionComplete = 0.9f; // hold at 90% complete...until done } // // calculate percent complete // PercentComplete = (LONG)(100 * FractionComplete); // // call back client with status on the transfer // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_STATUS, IT_STATUS_TRANSFER_TO_CLIENT, PercentComplete, 0, 0, NULL, 0); // // check for user cancel (from IT_MSG_STATUS callback) // if (hr == S_FALSE) { WIAS_LTRACE(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL4, ("ScanItem, Transfer canceled by client (IT_MSG_STATUS callback)")); break; } else if (FAILED(hr)) { // // transfer failed // WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, MiniDrvCallback failed (IT_MSG_STATUS callback)")); WIAS_LHRESULT(m_pIWiaLog, hr); break; } // // call back client with status on out of band data transfer // DownSampleInfo.pDestBuffer = NULL; DownSampleInfo.pSrcBuffer = pBuf; DownSampleInfo.ulActualSize = 0; DownSampleInfo.ulBitsPerPixel = pmdtc->lDepth; DownSampleInfo.ulDestBufSize = 0; DownSampleInfo.ulDownSampledHeight = 0; DownSampleInfo.ulDownSampledWidth = 0; DownSampleInfo.ulOriginalHeight = (cbWritten / pItemContext->lBytesPerScanLine); DownSampleInfo.ulOriginalWidth = pmdtc->lWidthInPixels; DownSampleInfo.ulSrcBufSize = cbWritten; DownSampleInfo.ulXRes = pmdtc->lXRes; DownSampleInfo.ulYRes = pmdtc->lYRes; // // down sample data // hr = wiasDownSampleBuffer(0, &DownSampleInfo); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, wiasDownSampleBuffer Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } else { pmdtc->pBaseBuffer = DownSampleInfo.pDestBuffer; // // call back client with down sampled buffer // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_FILE_PREVIEW_DATA, IT_STATUS_TRANSFER_TO_CLIENT, PercentComplete, ulDestDataOffset, DownSampleInfo.ulActualSize, pmdtc, 0); // // update offset // ulDestDataOffset += DownSampleInfo.ulActualSize; } // // check for user cancel (from IT_MSG_FILE_PREVIEW_DATA callback) // if (hr == S_FALSE) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL4, ("ScanItem, Transfer canceled by client (IT_MSG_FILE_PREVIEW_DATA callback)")); break; } else if (FAILED(hr)) { // // transfer failed // WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID, ("ScanItem, MiniDrvCallback failed (IT_MSG_FILE_PREVIEW_DATA callback)")); WIAS_LHRESULT(m_pIWiaLog, hr); break; } } // // If the mini driver allocated a buffer, we need to write the // buffer to the open file handle (opened by class driver). // if (!pmdtc->bClassDrvAllocBuf) { // // Now that we know the true item size, update the mini driver // context. // pmdtc->lItemSize = lItemSize; pmdtc->lBufferSize = lItemSize; // // reset lItemSize // lItemSize = 0; WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("ScanItem, Final lItemSize = %d bytes",lItemSize)); // // write image data to disk (note: The first call of this will write the file header too!) // hr = wiasWritePageBufToFile(pmdtc); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, WritePageBufToFile failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // set pBuf to proper location // pBuf = pmdtc->pTransferBuffer; } } } else { // // Get the device error // *plDevErrVal = (LONG) hr; WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, data transfer failed, status: 0x%X", hr)); break; } } if (hr == S_OK) { if (pmdtc->guidFormatID == WiaImgFmt_BMP) { if(pImageHeader){ BITMAPINFOHEADER UNALIGNED *pBMPInfoHeader = (BITMAPINFOHEADER*)(pImageHeader + sizeof(BITMAPFILEHEADER)); BITMAPFILEHEADER UNALIGNED *pBMPFileHeader = (BITMAPFILEHEADER*)pImageHeader; // // set updated image height // pBMPInfoHeader->biHeight = lTotalLinesWritten; // // set updated image size // pBMPInfoHeader->biSizeImage = (pBMPInfoHeader->biHeight * pItemContext->lBytesPerScanLine); // // set updated file size // pBMPFileHeader->bfSize = pBMPInfoHeader->biSizeImage + pBMPFileHeader->bfOffBits; // // update file written to disk, by rewriting the header // DWORD dwBytesWrittenToFile = 0; // // reset file pointer to start of file // SetFilePointer((HANDLE)pmdtc->hFile,0,NULL,FILE_BEGIN); // // write (header size) bytes to the file, using the stored // file header above. // WriteFile((HANDLE)pmdtc->hFile,pImageHeader,pmdtc->lHeaderSize,&dwBytesWrittenToFile,NULL); // // validate that the write was successful, by comparing sizes // if((LONG)dwBytesWrittenToFile != pmdtc->lHeaderSize){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, Header was not written to file correctly")); } // // this driver writes the data up-side-down.. // so the final file needs to be flipped. // note: read the file, and flip it here?? if (bVerticalFlip) { // VerticalFlip(pItemContext, pmdtc); } } } // // call back client with status on the transfer // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_STATUS, IT_STATUS_TRANSFER_TO_CLIENT, 100, // 100 percent complete! 0, 0, NULL, 0); if(hr == S_OK){ // // Since we are out of data.. we should send the WIA_STATUS_END_OF_MEDIA // // hr = WIA_STATUS_END_OF_MEDIA; hr = S_OK; } } HRESULT Temphr = m_pScanAPI->FakeScanner_Scan(SCAN_END, NULL, 0, NULL); if (FAILED(Temphr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItem, Ending a scanning session failed")); hr = Temphr; } // // free down sampled, temporary buffer // if(DownSampleInfo.pDestBuffer){ CoTaskMemFree(DownSampleInfo.pDestBuffer); DownSampleInfo.pDestBuffer = NULL; } return hr; } /**************************************************************************\ * ScanItemCB * * This helper is called to do a MEMORY transfer. * Note: This routine must fill buffers, adjust the buffer offset and * return percent complete status back to the client via a callback * routine. (a callback interface must be supplied by the caller for * this routine to function). * * Arguments: * * pItemContext - private item data * pmdtc - buffer and callback information * plDevErrVal - device error value * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::ScanItemCB( PMINIDRIVERITEMCONTEXT pItemContext, PMINIDRV_TRANSFER_CONTEXT pmdtc, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::ScanItemCB"); HRESULT hr = S_OK; LONG lScanPhase = SCAN_START; DWORD cbWritten = 0; LONG cbSize = 0; LONG lItemSize = pmdtc->lHeaderSize; BOOL bSwapBGRData = TRUE; BOOL bDWORDAlign = TRUE; pmdtc->cbOffset = 0; LONG lTotalLinesWritten = 0; LONG cbEstimatedPageSize = (pItemContext->lBytesPerScanLine * (pmdtc->lYRes * EST_PAGE_LENGTH_INCHES)); BOOL bIncludeHeaderData = TRUE; // // This must be a callback transfer request // if ((pmdtc->pIWiaMiniDrvCallBack == NULL) || (!pmdtc->bTransferDataCB)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItemCB, invalid callback params")); return E_INVALIDARG; } // // SEND HEADER to client // hr = SendImageHeader(pmdtc); if(hr != S_OK) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("ScanItemCB, SendImageHeader failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // scan until buffer runs out or scanner completes transfer // while ((lScanPhase == SCAN_START) || (cbWritten)) { PBYTE pBuf = pmdtc->pTransferBuffer; // // Limit requests to max buffer size or less. // cbSize = m_MaxBufferSize; // // Request size to scanner must be modula the raw bytes per scan row. // Enough space for the alignment padding must be reserved. // These are requirements for AlignInPlace // cbSize = (cbSize / pItemContext->lBytesPerScanLine) * pItemContext->lBytesPerScanLineRaw; // // Device specific call to get data from the scanner and put it into // a buffer. lScanPhase indicates whether this is the first call to Scan, // pBuf is a pointer to the buffer, cbSize is the amount of data // requested from the scanner, and cbWritten will be set to the actual // amount of data returned by the scanner. // hr = m_pScanAPI->FakeScanner_Scan(lScanPhase, pBuf, cbSize, &cbWritten); // // set flag to SCAN_CONTINUE, for other calls // lScanPhase = SCAN_CONTINUE; if (hr == S_OK) { if (cbWritten) { // // keep track of how many lines were written // lTotalLinesWritten += (cbWritten / pItemContext->lBytesPerScanLine); // // Place the scan data in correct byte order for 3 bytes ber pixel data. // if ((pmdtc->lDepth == 24) && ((pmdtc->guidFormatID == WiaImgFmt_BMP) || ((pmdtc->guidFormatID == WiaImgFmt_MEMORYBMP)))) { // // swap data if needed // if(bSwapBGRData) { SwapBuffer24(pBuf, cbWritten); } } if (bDWORDAlign) { // // Align the data on DWORD boundries. // cbWritten = AlignInPlace(pBuf, cbWritten, pItemContext->lBytesPerScanLine, pItemContext->lBytesPerScanLineRaw); } // // decrease estimated page size, for (estimated percent complete calculation) // cbEstimatedPageSize -= cbWritten; // // update cbWritten to account for the image data header (if one exists), on first callback // if(bIncludeHeaderData){ cbWritten += lItemSize; bIncludeHeaderData = FALSE; } else { // // update data offset (data written so far, from the start of the data buffer, (including image headers)) // pmdtc->cbOffset += cbWritten; } // // avoid division by zero, by setting cbEstimatedPageSize to 1 // if(cbEstimatedPageSize < 0){ cbEstimatedPageSize = 1; } // // If a status callback was specified callback the class driver. // There has to be a callback provided, this is the callback // transfer. // if (pmdtc->pIWiaMiniDrvCallBack) { FLOAT FractionComplete = 0.0f; LONG PercentComplete = 0; FractionComplete = (FLOAT)(lTotalLinesWritten * pItemContext->lBytesPerScanLineRaw) / (FLOAT)cbEstimatedPageSize; if (FractionComplete > 0.9f) { FractionComplete = 0.9f; // hold at 90% complete...until done } // // calculate percent complete // PercentComplete = (LONG)(100 * FractionComplete); // // call back client with status on the transfer and data offset // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_DATA, IT_STATUS_TRANSFER_TO_CLIENT, PercentComplete, pmdtc->cbOffset, cbWritten, pmdtc, 0); // // check for user cancel // if (hr == S_FALSE) { WIAS_LTRACE(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL4, ("ScanItemCB, Transfer canceled by client (IT_MSG_DATA callback)")); break; } else if (FAILED(hr)) { // // transfer failed // WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItemCB, MiniDrvCallback failed (IT_MSG_DATA callback)")); WIAS_LHRESULT(m_pIWiaLog, hr); break; } } } } else { // // Get the device error // *plDevErrVal = (LONG) hr; WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItemCB, data transfer failed, status: 0x%X", hr)); break; } } if (S_OK == hr) { // // call back client with status on the transfer // hr = pmdtc->pIWiaMiniDrvCallBack->MiniDrvCallback(IT_MSG_DATA, IT_STATUS_TRANSFER_TO_CLIENT, 100, // 100 percent complete! 0, 0, NULL, 0); if (S_OK == hr) { // // Since we are out of data.. we should send the WIA_STATUS_END_OF_MEDIA // hr = WIA_STATUS_END_OF_MEDIA; } } // // end the scan // HRESULT Temphr = m_pScanAPI->FakeScanner_Scan(SCAN_END, NULL, 0, NULL); if(FAILED(Temphr)){ WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItemCB, Ending a scanning session failed")); return Temphr; } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvAcquireItemData * * This driver entry point is called when image data is requested from the * device. * * Arguments: * * pWiasContext - Pointer to the WIA item. * lFlags - Operation flags, unused. * pmdtc - Pointer to mini driver context. On entry, only the * portion of the mini driver context which is derived * from the item properties is filled in. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvAcquireItemData( BYTE *pWiasContext, LONG lFlags, PMINIDRV_TRANSFER_CONTEXT pmdtc, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvAcquireItemData"); HRESULT hr = S_OK; *plDevErrVal = 0; // // Get a pointer to the associated driver item. // IWiaDrvItem* pDrvItem; hr = wiasGetDrvItem(pWiasContext, &pDrvItem); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, wiasGetDrvItem() failed.")); WIAS_LHRESULT(m_pIWiaLog,hr); return hr; } // // Validate the data transfer context. // hr = ValidateDataTransferContext(pmdtc); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ValidateDataTransferContext() failed.")); WIAS_LHRESULT(m_pIWiaLog,hr); return hr; } // // Get item specific driver data // PMINIDRIVERITEMCONTEXT pItemContext = NULL; hr = pDrvItem->GetDeviceSpecContext((BYTE**)&pItemContext); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, NULL item context")); WIAS_LHRESULT(m_pIWiaLog,hr); return hr; } // // for compressed data, unknown page lengths..or multipage transfers, the mini driver does not know the // size of the image, so a temporary buffer needs to be maintained by the WIA // minidriver. // if (!pmdtc->bClassDrvAllocBuf) { LONG lClassDrvAllocSize = pItemContext->lHeaderSize + m_MaxBufferSize; // header + max buffer band size WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, lHeaderSize = %d",pItemContext->lHeaderSize)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Attempting to Allocate (%d)bytes for pmdtc->pTransferBuffer",lClassDrvAllocSize)); pmdtc->pTransferBuffer = (PBYTE) CoTaskMemAlloc(lClassDrvAllocSize); if (!pmdtc->pTransferBuffer) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, unable to allocate temp transfer buffer, size: %d",(pmdtc->lImageSize + pmdtc->lHeaderSize))); return E_OUTOFMEMORY; } // // set new buffer size // pmdtc->lBufferSize = lClassDrvAllocSize; } // // Use WIA services to fetch format specific info. This information // is based on the property settings. // hr = wiasGetImageInformation(pWiasContext, 0, pmdtc); if (hr != S_OK) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, wiasGetImageInformation failed.")); WIAS_LHRESULT(m_pIWiaLog,hr); return hr; } // // Get number of pages requested, for ADF scanning loop // BOOL bEmptyTheADF = FALSE; LONG lPagesRequested = GetPageCount(pWiasContext); if (lPagesRequested == 0) { bEmptyTheADF = TRUE; lPagesRequested = 1;// set to 1 so we can enter our loop // WIA_ERROR_PAPER_EMPTY will terminate // the loop...or an error, or a cancel.. // } WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Pages to Scan = %d",lPagesRequested)); if (m_bADFEnabled) { // FEEDER is enabled for scanning WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Feeder is enabled for use")); // // clear an potential paper that may be blocking the // scan pathway. // hr = m_pScanAPI->FakeScanner_ADFUnFeedPage(); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ADFUnFeedPage (begin transfer) Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } } else { // FLATBED is enabled for scanning WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Feeder is disabled or no feeder exists")); // // Transfer only a single image // bEmptyTheADF = FALSE; lPagesRequested = 1; } // // WIA document scanning loop // LONG lPagesScanned = 0; // number of pages currently scanned BOOL bCallBackTransfer = FALSE; // callback transfer flag while (lPagesRequested > 0) { if (m_bADFEnabled) { // // Check feeder for paper // hr = m_pScanAPI->FakeScanner_ADFHasPaper(); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ADFHasPaper Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Attempt to load a page (only if needed) // hr = m_pScanAPI->FakeScanner_ADFFeedPage(); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ADFFeedPage Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Check feeder's status // hr = m_pScanAPI->FakeScanner_ADFStatus(); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ADFStatus Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } } // // update image information // hr = wiasGetImageInformation(pWiasContext, 0, pmdtc); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, wiasGetImageInformation Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); // // free any allocated memory // if (!pmdtc->bClassDrvAllocBuf) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Freeing any allocated memory (entire scan operation complete)")); if (NULL != pmdtc->pTransferBuffer) { CoTaskMemFree(pmdtc->pTransferBuffer); pmdtc->pTransferBuffer = NULL; } } return hr; } // // Determine if this is a callback or file transfer. // if (pmdtc->tymed == TYMED_CALLBACK) { // // Scan the page to memory // bCallBackTransfer = TRUE; hr = ScanItemCB(pItemContext, pmdtc, plDevErrVal); } else { // // Scan the page to file // hr = ScanItem(pItemContext, pmdtc, plDevErrVal); } if (!bEmptyTheADF) { // // update pages requested counter // lPagesRequested--; } if (hr == S_FALSE) { // // user canceled the scan // lPagesRequested = 0; // set pages to 0 to cleanly exit loop } WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Pages left to scan = %d",lPagesRequested)); if (m_bADFEnabled) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Unloading a page from the feeder")); // // Attempt to unload the scanned page (only if needed) // hr = m_pScanAPI->FakeScanner_ADFUnFeedPage(); if (SUCCEEDED(hr)) { if (bCallBackTransfer) { // // send the NEW_PAGE message, when scanning multiple pages // in callback mode. This will let the calling application // know when an end-of-page has been hit. // hr = wiasSendEndOfPage(pWiasContext, lPagesScanned, pmdtc); if (FAILED(hr)) { lPagesRequested = 0; WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, wiasSendEndOfPage Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // increment pages scanned counter // lPagesScanned++; } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvAcquireItemData, ADFUnFeedPage (end transfer) Failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } /* // // free any allocated memory between scans to avoid memory leaks // if (!pmdtc->bClassDrvAllocBuf) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Freeing any allocated memory (single scan operation complete)")); if (NULL != pmdtc->pTransferBuffer) { CoTaskMemFree(pmdtc->pTransferBuffer); pmdtc->pTransferBuffer = NULL; } } */ } // // we are now finished scanning all documents // if (!pmdtc->bClassDrvAllocBuf) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvAcquireItemData, Freeing any allocated memory (entire scan operation complete)")); if (NULL != pmdtc->pTransferBuffer) { CoTaskMemFree(pmdtc->pTransferBuffer); pmdtc->pTransferBuffer = NULL; } } return hr; } /**************************************************************************\ * IsPreviewScan * * Get the current preview setting from the item properties. * A helper for drvAcquireItemData. * * Arguments: * * pWiasContext - pointer to an Item context. * * Return Value: * * TRUE - Preview is set, FALSE - Final is set * * History: * * 8/10/2000 Original Version * \**************************************************************************/ BOOL CWIAScannerDevice::IsPreviewScan(BYTE *pWiasContext) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::IsPreviewScan"); // // Get a pointer to the root item, for property access. // BYTE *pRootItemCtx = NULL; HRESULT hr = wiasGetRootItem(pWiasContext, &pRootItemCtx); if (FAILED(hr)) { WIAS_LWARNING(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("IsPreviewScan, No Preview Property Found on ROOT item!")); return FALSE; } // // Get the current preview setting. // LONG lPreview = 0; hr = wiasReadPropLong(pRootItemCtx, WIA_DPS_PREVIEW, &lPreview, NULL, true); if (hr != S_OK) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("IsPreviewScan, Failed to read Preview Property.")); WIAS_LHRESULT(m_pIWiaLog, hr); return FALSE; } return (lPreview > 0); } /**************************************************************************\ * GetPageCount * * Get the requested number of pages to scan from the item properties. * A helper for drvAcquireItemData. * * Arguments: * * pWiasContext - pointer to an Item context. * * Return Value: * * Number of pages to scan. * * History: * * 7/18/2000 Original Version * \**************************************************************************/ LONG CWIAScannerDevice::GetPageCount(BYTE *pWiasContext) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::GetPageCount"); // // Get a pointer to the root item, for property access. // BYTE *pRootItemCtx = NULL; HRESULT hr = wiasGetRootItem(pWiasContext, &pRootItemCtx); if (FAILED(hr)) { return 1; } // // Get the requested page count. // LONG lPagesRequested = 0; hr = wiasReadPropLong(pRootItemCtx, WIA_DPS_PAGES, &lPagesRequested, NULL, true); if (hr != S_OK) { return 1; } return lPagesRequested; } /**************************************************************************\ * SetItemSize * * Calulate the new item size, and write the new Item Size property value. * * Arguments: * * pWiasContext - item * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::SetItemSize( BYTE *pWiasContext) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::SetItemSize"); HRESULT hr = S_OK; LONG lWidthInBytes = 0; LONG lMinBufSize = 0; GUID guidFormatID = GUID_NULL; MINIDRV_TRANSFER_CONTEXT mdtc; LONG lNumProperties = 3; PROPVARIANT pv[3]; PROPSPEC ps[3] = {{PRSPEC_PROPID, WIA_IPA_ITEM_SIZE}, {PRSPEC_PROPID, WIA_IPA_BYTES_PER_LINE}, {PRSPEC_PROPID, WIA_IPA_MIN_BUFFER_SIZE}}; // // Clear the MiniDrvTransferContext // memset(&mdtc,0,sizeof(MINIDRV_TRANSFER_CONTEXT)); // // read format GUID // hr = wiasReadPropGuid(pWiasContext, WIA_IPA_FORMAT, &guidFormatID, NULL, TRUE); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SetItemSize, ReadPropLong WIA_IPA_FORMAT error")); return hr; } // // read TYMED // hr = wiasReadPropLong(pWiasContext,WIA_IPA_TYMED, (LONG*)&mdtc.tymed, NULL, TRUE); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SetItemSize, ReadPropLong WIA_IPA_TYMED error")); return hr; } // // wias works for DIB, or uncompressed standard TIFF formats // Standard TIFFs are constructed using a DIB-like implementation. // The data is stored as one huge strip, rather than multiple smaller // strips. // hr = wiasGetImageInformation(pWiasContext, WIAS_INIT_CONTEXT, &mdtc); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SetItemSize, could not get image information")); return hr; } // // we want our driver to allocate the memory for our transfer bands, // and control the writing of them. To do this, Set item size to 0 // mdtc.lItemSize = 0; // // Set the MinBufferSize property. MinBufferSize is the minimum buffer // that a client can request for a data transfer. // switch (mdtc.tymed) { case TYMED_CALLBACK: // // callback uses driver's minimum buffer size. // This is could be taken from the driver at // initialization time. // lMinBufSize = m_MinBufferSize; break; case TYMED_FILE: // // file transfers, require that the minimum buffer size be the // entire length of the file. // lMinBufSize = m_MinBufferSize;//mdtc.lImageSize + mdtc.lHeaderSize; break; default: // // unknown TYMED // WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SetItemSize, unknown tymed: 0x%08X", mdtc.tymed)); return E_INVALIDARG; } // // Initialize propvar's. Then write the values. Don't need to call // PropVariantClear when done, since there are only LONG values. // for (int i = 0; i < lNumProperties; i++) { PropVariantInit(&pv[i]); pv[i].vt = VT_I4; } pv[0].lVal = mdtc.lItemSize; pv[1].lVal = mdtc.cbWidthInBytes; pv[2].lVal = lMinBufSize; // // Write WIA_IPA_ITEM_SIZE, WIA_IPA_BYTES_PER_LINE, and WIA_IPA_MIN_BUFFER_SIZE // property values // hr = wiasWriteMultiple(pWiasContext, lNumProperties, ps, pv); if (SUCCEEDED(hr)) { // // Now update the MINIDRIVER TRANSFER CONTEXT with new values // // // Get a pointer to the associated driver item. // IWiaDrvItem* pDrvItem = NULL; hr = wiasGetDrvItem(pWiasContext, &pDrvItem); if (FAILED(hr)) { return hr; } // // Get driver item's context // PMINIDRIVERITEMCONTEXT pItemContext = NULL; hr = pDrvItem->GetDeviceSpecContext((BYTE**)&pItemContext); if (SUCCEEDED(hr)) { // // Calculate how many scan lines will fit in the buffer. // pItemContext->lBytesPerScanLineRaw = ((mdtc.lWidthInPixels * mdtc.lDepth) + 7) / 8; pItemContext->lBytesPerScanLine = (((mdtc.lWidthInPixels * mdtc.lDepth) + 31) / 8) & 0xfffffffc; pItemContext->lTotalRequested = 0;// we don't know the image size pItemContext->lImageSize = 0;// we don't know the image size pItemContext->lHeaderSize = mdtc.lHeaderSize; } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvWriteItemProperties, NULL item context")); } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("SetItemSize, WriteMultiple failed")); } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvInitItemProperties * * Initialize the device item properties. Called during item * initialization. This is called by the WIA Class driver * after the item tree has been built. It is called once for every * item in the tree. * * Arguments: * * pWiasContext - Pointer to WIA context (item information). * lFlags - Operation flags, unused. * plDevErrVal - Pointer to the device error value. * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvInitItemProperties( BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvInitItemProperties"); HRESULT hr = S_OK; // // This device doesn't touch hardware to initialize the device item // properties, so set plDevErrVal to 0. // *plDevErrVal = 0; // // Get a pointer to the associated driver item. // IWiaDrvItem* pDrvItem; hr = wiasGetDrvItem(pWiasContext, &pDrvItem); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasGetDrvItem failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Set initial item properties. // LONG lItemType = 0; pDrvItem->GetItemFlags(&lItemType); if (lItemType & WiaItemTypeRoot) { // // This is for the root item. // // // Build Root Item Properties, initializing global // structures with their default and valid values // hr = BuildRootItemProperties(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, BuildRootItemProperties failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteRootItemProperties(); return hr; } // // Add the device specific root item property names, // using WIA service. // hr = wiasSetItemPropNames(pWiasContext, m_NumRootItemProperties, m_piRootItemDefaults, m_pszRootItemDefaults); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasSetItemPropNames failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumRootItemPropeties = %d",m_NumRootItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_piRootItemDefaults = %x",m_piRootItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pszRootItemDefaults = %x",m_pszRootItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteRootItemProperties(); return hr; } // // Set the device specific root item properties to // their default values using WIA service. // hr = wiasWriteMultiple(pWiasContext, m_NumRootItemProperties, m_psRootItemDefaults, m_pvRootItemDefaults); // // Free PROPVARIANT array, This frees any memory that was allocated for a prop variant value. // // FreePropVariantArray(m_NumRootItemProperties,m_pvRootItemDefaults); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasWriteMultiple failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumRootItemPropeties = %d",m_NumRootItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pszRootItemDefaults = %x",m_pszRootItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pvRootItemDefaults = %x",m_pvRootItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteRootItemProperties(); return hr; } // // Use WIA services to set the property access and // valid value information from m_wpiItemDefaults. // hr = wiasSetItemPropAttribs(pWiasContext, m_NumRootItemProperties, m_psRootItemDefaults, m_wpiRootItemDefaults); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasSetItemPropAttribs failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumRootItemPropeties = %d",m_NumRootItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_psRootItemDefaults = %x",m_psRootItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_wpiRootItemDefaults = %x",m_wpiRootItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); } // // free allocated property arrays, for more memory // DeleteRootItemProperties(); } else { // // This is for the child item.(Top) // // // Build Top Item Properties, initializing global // structures with their default and valid values // hr = BuildTopItemProperties(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, BuildTopItemProperties failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } // // Use the WIA service to set the item property names. // hr = wiasSetItemPropNames(pWiasContext, m_NumItemProperties, m_piItemDefaults, m_pszItemDefaults); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasSetItemPropNames failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumItemPropeties = %d",m_NumItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_piItemDefaults = %x",m_piItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pszItemDefaults = %x",m_pszItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } // // Use WIA services to set the item properties to their default // values. // hr = wiasWriteMultiple(pWiasContext, m_NumItemProperties, m_psItemDefaults, (PROPVARIANT*)m_pvItemDefaults); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasWriteMultiple failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumItemPropeties = %d",m_NumItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pszItemDefaults = %x",m_pszItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_pvItemDefaults = %x",m_pvItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } // // Use WIA services to set the property access and // valid value information from m_wpiItemDefaults. // hr = wiasSetItemPropAttribs(pWiasContext, m_NumItemProperties, m_psItemDefaults, m_wpiItemDefaults); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, wiasSetItemPropAttribs failed")); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_NumItemPropeties = %d",m_NumItemProperties)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_psItemDefaults = %x",m_psItemDefaults)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitItemProperties, m_wpiItemDefaults = %x",m_wpiItemDefaults)); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } // // Set item size properties. // hr = SetItemSize(pWiasContext); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitItemProperties, SetItemSize failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // free allocated property arrays, for more memory // DeleteTopItemProperties(); } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvValidateItemProperties * * Validate the device item properties. It is called when changes are made * to an item's properties. Driver should not only check that the values * are valid, but must update any valid values that may change as a result. * If an a property is not being written by the application, and it's value * is invalid, then "fold" it to a new value, else fail validation (because * the application is setting the property to an invalid value). * * Arguments: * * pWiasContext - Pointer to the WIA item, unused. * lFlags - Operation flags, unused. * nPropSpec - The number of properties that are being written * pPropSpec - An array of PropSpecs identifying the properties that * are being written. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version ***************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvValidateItemProperties( BYTE *pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC *pPropSpec, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvValidateItemProperties"); HRESULT hr = S_OK; LONG lItemType = 0; WIA_PROPERTY_CONTEXT Context; *plDevErrVal = 0; hr = wiasGetItemType(pWiasContext, &lItemType); if (SUCCEEDED(hr)) { if (lItemType & WiaItemTypeRoot) { // // Validate root item // hr = wiasCreatePropContext(nPropSpec, (PROPSPEC*)pPropSpec, 0, NULL, &Context); if (SUCCEEDED(hr)) { // // Check ADF to see if the status settings need to be updated // Also switch between FEEDER/FLATBED modes // hr = CheckADFStatus(pWiasContext, &Context); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, CheckADFStatus failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // check Preview Property only if validation is successful so far.... // if (SUCCEEDED(hr)) { // // Check Preview property to see if the settings are valid // hr = CheckPreview(pWiasContext, &Context); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, CheckPreview failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // call WIA service helper to validate other properties // if (SUCCEEDED(hr)) { hr = wiasValidateItemProperties(pWiasContext, nPropSpec, pPropSpec); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasValidateItemProperties failed.")); WIAS_LHRESULT(m_pIWiaLog, hr); } } } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasCreatePropContext failed (Root Item)")); WIAS_LHRESULT(m_pIWiaLog, hr); } } else { // // validate item properties here // // // Create a property context needed by some WIA Service // functions used below. // hr = wiasCreatePropContext(nPropSpec, (PROPSPEC*)pPropSpec, 0, NULL, &Context); if (SUCCEEDED(hr)) { // // Check Current Intent first // hr = CheckIntent(pWiasContext, &Context); if (SUCCEEDED(hr)) { // // Check if DataType is being written // hr = CheckDataType(pWiasContext, &Context); if (SUCCEEDED(hr)) { // // update the extent properties and valid values. // LONG lBedWidth = 0; LONG lBedHeight = 0; hr = m_pScanAPI->FakeScanner_GetBedWidthAndHeight(&lBedWidth,&lBedHeight); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, FakeScanner_GetBedWidthAndHeight failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } hr = CheckXExtent(pWiasContext,&Context,lBedWidth); if (SUCCEEDED(hr)) { // // Use the WIA Service to update the valid values // for Format. These are based on the value of // WIA_IPA_TYMED, so validation is also performed // on the tymed property by the service. // hr = wiasUpdateValidFormat(pWiasContext, &Context, (IWiaMiniDrv*) this); if (SUCCEEDED(hr)) { // // Check Preferred format // hr = CheckPreferredFormat(pWiasContext, &Context); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, CheckPreferredFormat failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasUpdateValidFormat failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasUpdateScanRect failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, CheckDataType failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, CheckIntent failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } wiasFreePropContext(&Context); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasCreatePropContext failed (Child Item)")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // Update the item size // if (SUCCEEDED(hr)) { hr = SetItemSize(pWiasContext); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, SetItemSize failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } // // call WIA service helper to validate other properties // if (SUCCEEDED(hr)) { hr = wiasValidateItemProperties(pWiasContext, nPropSpec, pPropSpec); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasValidateItemProperties failed.")); WIAS_LHRESULT(m_pIWiaLog, hr); } } } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvValidateItemProperties, wiasGetItemType failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // log HRESULT sent back to caller // if(FAILED(hr)){ WIAS_LHRESULT(m_pIWiaLog, hr); } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvWriteItemProperties * * Write the device item properties to the hardware. This is called by the * WIA Class driver prior to drvAcquireItemData when the client requests * a data transfer. * * Arguments: * * pWiasContext - Pointer to WIA item. * lFlags - Operation flags, unused. * pmdtc - Pointer to mini driver context. On entry, only the * portion of the mini driver context which is derived * from the item properties is filled in. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvWriteItemProperties( BYTE *pWiasContext, LONG lFlags, PMINIDRV_TRANSFER_CONTEXT pmdtc, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvWriteItemProperties"); HRESULT hr = S_OK; *plDevErrVal = 0; LONG lNumProperties = 9; PROPVARIANT pv[9]; PROPSPEC ps[9] = { {PRSPEC_PROPID, WIA_IPS_XRES}, {PRSPEC_PROPID, WIA_IPS_YRES}, {PRSPEC_PROPID, WIA_IPS_XPOS}, {PRSPEC_PROPID, WIA_IPS_YPOS}, {PRSPEC_PROPID, WIA_IPS_XEXTENT}, {PRSPEC_PROPID, WIA_IPS_YEXTENT}, {PRSPEC_PROPID, WIA_IPA_DATATYPE}, {PRSPEC_PROPID, WIA_IPS_BRIGHTNESS}, {PRSPEC_PROPID, WIA_IPS_CONTRAST} }; // // initialize propvariant structures // for (int i = 0; i< lNumProperties;i++) { pv[i].vt = VT_I4; } // // read child item properties // hr = wiasReadMultiple(pWiasContext, lNumProperties, ps, pv, NULL); if (hr == S_OK) { hr = m_pScanAPI->FakeScanner_SetXYResolution(pv[0].lVal,pv[1].lVal); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, Setting x any y resolutions failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } hr = m_pScanAPI->FakeScanner_SetDataType(pv[6].lVal); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, Setting data type failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } hr = m_pScanAPI->FakeScanner_SetIntensity(pv[7].lVal); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, Setting intensity failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } hr = m_pScanAPI->FakeScanner_SetContrast(pv[8].lVal); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, Setting contrast failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } hr = m_pScanAPI->FakeScanner_SetSelectionArea(pv[2].lVal, pv[3].lVal, pv[4].lVal, pv[5].lVal); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, ("ScanItem, Setting selection area (extents) failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvReadItemProperties * * Read the device item properties. When a client application tries to * read a WIA Item's properties, the WIA Class driver will first notify * the driver by calling this method. * * Arguments: * * pWiasContext - wia item * lFlags - Operation flags, unused. * nPropSpec - Number of elements in pPropSpec. * pPropSpec - Pointer to property specification, showing which properties * the application wants to read. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvReadItemProperties( BYTE *pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC *pPropSpec, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvReadItemProperties"); *plDevErrVal = 0; return S_OK; } /**************************************************************************\ * CWIAScannerDevice::drvLockWiaDevice * * Lock access to the device. * * Arguments: * * pWiasContext - unused, can be NULL * lFlags - Operation flags, unused. * plDevErrVal - Pointer to the device error value. * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvLockWiaDevice( BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvLockWiaDevice"); *plDevErrVal = 0; return m_pStiDevice->LockDevice(m_dwLockTimeout); } /**************************************************************************\ * CWIAScannerDevice::drvUnLockWiaDevice * * Unlock access to the device. * * Arguments: * * pWiasContext - Pointer to the WIA item, unused. * lFlags - Operation flags, unused. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvUnLockWiaDevice( BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvUnLockWiaDevice"); *plDevErrVal = 0; return m_pStiDevice->UnLockDevice(); } /**************************************************************************\ * CWIAScannerDevice::drvAnalyzeItem * * This device does not support image analysis, so return E_NOTIMPL. * * Arguments: * * pWiasContext - Pointer to the device item to be analyzed. * lFlags - Operation flags. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvAnalyzeItem( BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvAnalyzeItem"); *plDevErrVal = 0; return E_NOTIMPL; } /**************************************************************************\ * CWIAScannerDevice::drvFreeDrvItemContext * * Free any device specific context. * * Arguments: * * lFlags - Operation flags, unused. * pDevSpecContext - Pointer to device specific context. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvFreeDrvItemContext( LONG lFlags, BYTE *pSpecContext, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvFreeDrvItemContext"); *plDevErrVal = 0; PMINIDRIVERITEMCONTEXT pContext = NULL; pContext = (PMINIDRIVERITEMCONTEXT) pSpecContext; if (pContext){ WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvFreeDrvItemContext, Freeing my allocated context members")); } return S_OK; } /**************************************************************************\ * CWIAScannerDevice::drvInitializeWia * * Initialize the WIA mini driver. This will build up the driver item tree * and perform any other initialization code that's needed for WIA. * * Arguments: * * pWiasContext - Pointer to the WIA item, unused. * lFlags - Operation flags, unused. * bstrDeviceID - Device ID. * bstrRootFullItemName - Full item name. * pIPropStg - Device info. properties. * pStiDevice - STI device interface. * pIUnknownOuter - Outer unknown interface. * ppIDrvItemRoot - Pointer to returned root item. * ppIUnknownInner - Pointer to returned inner unknown. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvInitializeWia( BYTE *pWiasContext, LONG lFlags, BSTR bstrDeviceID, BSTR bstrRootFullItemName, IUnknown *pStiDevice, IUnknown *pIUnknownOuter, IWiaDrvItem **ppIDrvItemRoot, IUnknown **ppIUnknownInner, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvInitializeWia"); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitializeWia, bstrDeviceID = %ws", bstrDeviceID)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitializeWia, bstrRootFullItemName = %ws",bstrRootFullItemName)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvInitializeWia, lFlags = %d",lFlags)); HRESULT hr = S_OK; *plDevErrVal = 0; *ppIDrvItemRoot = NULL; *ppIUnknownInner = NULL; // // Need to init names and STI pointer? // if (m_pStiDevice == NULL) { // // save STI device interface for locking // m_pStiDevice = (IStiDevice *)pStiDevice; // // Cache the device ID. // m_bstrDeviceID = SysAllocString(bstrDeviceID); if (!m_bstrDeviceID) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, unable to allocate device ID string")); return E_OUTOFMEMORY; } // // Cache the root property stream name. // m_bstrRootFullItemName = SysAllocString(bstrRootFullItemName); if (!m_bstrRootFullItemName) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, unable to allocate prop stream name")); return E_OUTOFMEMORY; } } // // Initialize Capabilities array // hr = BuildCapabilities(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildCapabilities failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize SupportedFormats array // hr = BuildSupportedFormats(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedFormats failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize Supported Data Type array // hr = BuildSupportedDataTypes(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedDataTypes failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize Supported Intents array // hr = BuildSupportedIntents(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedIntents failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize Supported TYMED array // hr = BuildSupportedTYMED(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSuportedTYMED failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize Supported compression types array // hr = BuildSupportedCompressions(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedCompressions")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize Supported Preview modes array // hr = BuildSupportedPreviewModes(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedPreviewModes")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize initial formats array // hr = BuildInitialFormats(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildInitialFormats failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Initialize supported resolutions array // hr = BuildSupportedResolutions(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, BuildSupportedResolutions failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Build the device item tree, if it hasn't been built yet. // // Send a Device Command to yourself, or Call BuildItemTree manually // if (!m_pIDrvItemRoot) { LONG lDevErrVal = 0; hr = drvDeviceCommand(NULL, 0, &WIA_CMD_SYNCHRONIZE, NULL, &lDevErrVal); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvInitializeWia, drvDeviceCommand(WIA_CMD_SYNCHRONIZE) failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } } // // save root item pointer. (REMEMBER TO RELEASE THIS INTERFACE) // *ppIDrvItemRoot = m_pIDrvItemRoot; return hr; } /**************************************************************************\ * CWIAScannerDevice::drvUnInitializeWia * * Gets called when a client connection is going away. * * Arguments: * * pWiasContext - Pointer to the WIA Root item context of the client's * item tree. * * Return Value: * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvUnInitializeWia( BYTE *pWiasContext) { return S_OK; } /**************************************************************************\ * drvGetDeviceErrorStr * * Map a device error value to a string. * * Arguments: * * lFlags - Operation flags, unused. * lDevErrVal - Device error value. * ppszDevErrStr - Pointer to returned error string. * plDevErrVal - Pointer to the device error value. * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvGetDeviceErrorStr( LONG lFlags, LONG lDevErrVal, LPOLESTR *ppszDevErrStr, LONG *plDevErr) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvGetDeviceErrorStr"); HRESULT hr = S_OK; // // Map device errors to a string to be placed in the event log. // // // look up error strings in resource file. // switch (lDevErrVal) { case 0: *ppszDevErrStr = L"No Error"; // hard coded for now *plDevErr = 0; hr = S_OK; break; default: *ppszDevErrStr = L"Device Error, Unknown Error";// hard coded for now *plDevErr = 0; hr = E_FAIL; break; } return hr; } /**************************************************************************\ * drvDeviceCommand * * Issue a command to the device. * * Arguments: * * pWiasContext - Pointer to the WIA item. * lFlags - Operation flags, unused. * plCommand - Pointer to command GUID. * ppWiaDrvItem - Optional pointer to returned item, unused. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvDeviceCommand( BYTE *pWiasContext, LONG lFlags, const GUID *plCommand, IWiaDrvItem **ppWiaDrvItem, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvDeviceCommand"); *plDevErrVal = 0; HRESULT hr = S_OK; // // Check which command was issued // if (*plCommand == WIA_CMD_SYNCHRONIZE) { // // SYNCHRONIZE - Build the minidriver representation of // the current item list, if it doesn't exist. // if (!m_pIDrvItemRoot) { hr = BuildItemTree(); } else { hr = S_OK; } } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvDeviceCommand, unknown command sent to this device")); hr = E_NOTIMPL; } return hr; } /**************************************************************************\ * CWIAScannerDevice::drvGetCapabilities * * Get supported device commands and events as an array of WIA_DEV_CAPS. * * Arguments: * * pWiasContext - Pointer to the WIA item, unused. * lFlags - Operation flags. * pcelt - Pointer to returned number of elements in * returned GUID array. * ppCapabilities - Pointer to returned GUID array. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvGetCapabilities( BYTE *pWiasContext, LONG ulFlags, LONG *pcelt, WIA_DEV_CAP_DRV **ppCapabilities, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvGetCapabilites"); *plDevErrVal = 0; HRESULT hr = S_OK; // // Initialize Capabilities array // hr = BuildCapabilities(); if(FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvGetCapabilities, BuildCapabilities failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Return depends on flags. Flags specify whether we should return // commands, events, or both. // // switch (ulFlags) { case WIA_DEVICE_COMMANDS: WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvGetCapabilities, (WIA_DEVICE_COMMANDS)")); // // report commands only // *pcelt = m_NumSupportedCommands; *ppCapabilities = &m_pCapabilities[m_NumSupportedEvents]; break; case WIA_DEVICE_EVENTS: WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvGetCapabilities, (WIA_DEVICE_EVENTS)")); // // report events only // *pcelt = m_NumSupportedEvents; *ppCapabilities = m_pCapabilities; break; case (WIA_DEVICE_COMMANDS | WIA_DEVICE_EVENTS): WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvGetCapabilities, (WIA_DEVICE_COMMANDS|WIA_DEVICE_EVENTS)")); // // report both events and commands // *pcelt = m_NumCapabilities; *ppCapabilities = m_pCapabilities; break; default: // // invalid request // WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvGetCapabilities, invalid flags")); return E_INVALIDARG; } return hr; } /**************************************************************************\ * drvGetWiaFormatInfo * * Returns an array of WIA_FORMAT_INFO structs, which specify the format * and media type pairs that are supported. * * Arguments: * * pWiasContext - Pointer to the WIA item context, unused. * lFlags - Operation flags, unused. * pcelt - Pointer to returned number of elements in * returned WIA_FORMAT_INFO array. * ppwfi - Pointer to returned WIA_FORMAT_INFO array. * plDevErrVal - Pointer to the device error value. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvGetWiaFormatInfo( BYTE *pWiasContext, LONG lFlags, LONG *pcelt, WIA_FORMAT_INFO **ppwfi, LONG *plDevErrVal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::drvGetWiaFormatInfo"); HRESULT hr = S_OK; if(NULL == m_pSupportedFormats){ hr = BuildSupportedFormats(); } *plDevErrVal = 0; *pcelt = m_NumSupportedFormats; *ppwfi = m_pSupportedFormats; WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvGetWiaFormatInfo, m_NumSupportedFormats = %d",m_NumSupportedFormats)); WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvGetWiaFormatInfo, m_pSupportedFormats = %x",m_pSupportedFormats)); return hr; } /**************************************************************************\ * drvNotifyPnpEvent * * Pnp Event received by device manager. This is called when a Pnp event * is received for this device. * * Arguments: * * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::drvNotifyPnpEvent( const GUID *pEventGUID, BSTR bstrDeviceID, ULONG ulReserved) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DrvNotifyPnpEvent"); HRESULT hr = S_OK; if (*pEventGUID == WIA_EVENT_DEVICE_DISCONNECTED) { WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("drvNotifyPnpEvent, (WIA_EVENT_DEVICE_DISCONNECTED)")); hr = m_pScanAPI->FakeScanner_DisableDevice(); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("drvNotifyPnpEvent, disable failed")); } } return hr; } /******************************************************************************* * * P R I V A T E M E T H O D S * *******************************************************************************/ /**************************************************************************\ * AlignInPlace * * DWORD align a data buffer in place. * * Arguments: * * pBuffer - Pointer to the data buffer. * cbWritten - Size of the data in bytes. * lBytesPerScanLine - Number of bytes per scan line in the output data. * lBytesPerScanLineRaw - Number of bytes per scan line in the input data. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ UINT CWIAScannerDevice::AlignInPlace( PBYTE pBuffer, LONG cbWritten, LONG lBytesPerScanLine, LONG lBytesPerScanLineRaw) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "::AlignInPlace"); if (lBytesPerScanLineRaw % 4) { UINT uiPadBytes = lBytesPerScanLine - lBytesPerScanLineRaw; UINT uiDevLinesWritten = cbWritten / lBytesPerScanLineRaw; PBYTE pSrc = pBuffer + cbWritten - 1; PBYTE pDst = pBuffer + (uiDevLinesWritten * lBytesPerScanLine) - 1; while (pSrc >= pBuffer) { pDst -= uiPadBytes; for (LONG i = 0; i < lBytesPerScanLineRaw; i++) { *pDst-- = *pSrc--; } } return uiDevLinesWritten * lBytesPerScanLine; } return cbWritten; } /**************************************************************************\ * UnlinkItemTree * * Call device manager to unlink and release our reference to * all items in the driver item tree. * * Arguments: * * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::DeleteItemTree(void) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::DeleteItemTree"); HRESULT hr = S_OK; // // If no tree, return. // if (!m_pIDrvItemRoot) { WIAS_LWARNING(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("DeleteItemTree, no tree to delete...")); return S_OK; } // // Call device manager to unlink the driver item tree. // hr = m_pIDrvItemRoot->UnlinkItemTree(WiaItemTypeDisconnected); if (SUCCEEDED(hr)) { WIAS_LWARNING(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("DeleteItemTree, m_pIDrvItemRoot is being released!!")); m_pIDrvItemRoot->Release(); m_pIDrvItemRoot = NULL; } return hr; } /**************************************************************************\ * BuildItemTree * * The device uses the WIA Service functions to build up a tree of * device items. This device supports only a single data acquisition item so * build a device item tree with only one child off the root. * * Arguments: * * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT _stdcall CWIAScannerDevice::BuildItemTree(void) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::BuildItemTree"); // // The device item tree must not exist. // WIAS_ASSERT( (g_hInst), (m_pIDrvItemRoot == NULL)); // // Call the class driver to create the root item. // HRESULT hr = E_FAIL; // // Name the root. // BSTR bstrRootItemName = NULL; hr = GetBSTRResourceString(IDS_ROOTITEM_NAME,&bstrRootItemName,TRUE); if (SUCCEEDED(hr)) { hr = wiasCreateDrvItem(WiaItemTypeFolder | WiaItemTypeDevice | WiaItemTypeRoot, bstrRootItemName, m_bstrRootFullItemName, (IWiaMiniDrv *)this, sizeof(MINIDRIVERITEMCONTEXT), NULL, &m_pIDrvItemRoot); SysFreeString(bstrRootItemName); } if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildItemTree, wiasCreateDrvItem failed")); WIAS_LHRESULT(m_pIWiaLog, hr); return hr; } // // Create and add the Top/Front and Bottom/Back device items. // for (INT i = 0; i < NUM_DEVICE_ITEM; i++) { // // Build the item names. // BSTR bstrItemName = NULL; hr = GetBSTRResourceString(IDS_TOPITEM_NAME,&bstrItemName,TRUE); if (SUCCEEDED(hr)) { // SBB - RAID 370299 - orenr - 2001/04/18 - Security fix - // potential buffer overrun. Changed wcscpy and wcscat // to use _snwprintf instead WCHAR szFullItemName[MAX_PATH + 1] = {0}; _snwprintf(szFullItemName, (sizeof(szFullItemName) / sizeof(WCHAR)) - 1, L"%ls\\%ls", m_bstrRootFullItemName, bstrItemName); // // Call the class driver to create another driver item. // This will be inserted as the child item. // PMINIDRIVERITEMCONTEXT pItemContext; IWiaDrvItem *pItem = NULL; BSTR bstrFullItemName = SysAllocString(szFullItemName); if(bstrFullItemName) { hr = wiasCreateDrvItem(WiaItemTypeFile | WiaItemTypeImage | WiaItemTypeDevice, bstrItemName, bstrFullItemName, (IWiaMiniDrv *)this, sizeof(MINIDRIVERITEMCONTEXT), (PBYTE*) &pItemContext, &pItem); SysFreeString(bstrFullItemName); bstrFullItemName = NULL; } else { hr = E_OUTOFMEMORY; WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildItemTree, allocation of BSTR for full item name failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } if (SUCCEEDED(hr)) { // // Initialize device specific context. // memset(pItemContext, 0, sizeof(MINIDRIVERITEMCONTEXT)); pItemContext->lSize = sizeof(MINIDRIVERITEMCONTEXT); // // Call the class driver to add pItem to the folder // m_pIDrvItemRoot (i.e. make pItem a child of // m_pIDrvItemRoot). // hr = pItem->AddItemToFolder(m_pIDrvItemRoot); if (FAILED(hr)) { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildItemTree, AddItemToFolder failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // release and created items // pItem->Release(); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildItemTree, wiasCreateDrvItem failed")); WIAS_LHRESULT(m_pIWiaLog, hr); } // // free the BSTR allocated by the BSTRResourceString helper // SysFreeString(bstrItemName); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildItemTree, unable to allocate item name")); hr = E_OUTOFMEMORY; } break; // Error if here, quit iterating. } if (FAILED(hr)) { DeleteItemTree(); } return hr; } /**************************************************************************\ * DeleteRootItemProperties * * This helper deletes the arrays used for Property intialization. * * [Array Name] [Description] [Array Type] * * m_pszRootItemDefaults - Property name array (LPOLESTR) * m_piRootItemDefaults - Property ID array (PROPID) * m_pvRootItemDefaults - Property Variant array (PROPVARIANT) * m_psRootItemDefaults - Property Spec array (PROPSPEC) * m_wpiRootItemDefaults - WIA Property Info array (WIA_PROPERTY_INFO) * * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteRootItemProperties() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteRootItemProperties"); HRESULT hr = S_OK; // // delete any allocated arrays // DeleteSupportedPreviewModesArrayContents(); if(NULL != m_pszRootItemDefaults){ delete [] m_pszRootItemDefaults; m_pszRootItemDefaults = NULL; } if(NULL != m_piRootItemDefaults){ delete [] m_piRootItemDefaults; m_piRootItemDefaults = NULL; } if(NULL != m_pvRootItemDefaults){ FreePropVariantArray(m_NumRootItemProperties,m_pvRootItemDefaults); delete [] m_pvRootItemDefaults; m_pvRootItemDefaults = NULL; } if(NULL != m_psRootItemDefaults){ delete [] m_psRootItemDefaults; m_psRootItemDefaults = NULL; } if(NULL != m_wpiRootItemDefaults){ delete [] m_wpiRootItemDefaults; m_wpiRootItemDefaults = NULL; } return hr; } /**************************************************************************\ * BuildRootItemProperties * * This helper creates/initializes the arrays used for Property intialization. * * [Array Name] [Description] [Array Type] * * m_pszRootItemDefaults - Property name array (LPOLESTR) * m_piRootItemDefaults - Property ID array (PROPID) * m_pvRootItemDefaults - Property Variant array (PROPVARIANT) * m_psRootItemDefaults - Property Spec array (PROPSPEC) * m_wpiRootItemDefaults - WIA Property Info array (WIA_PROPERTY_INFO) * * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildRootItemProperties() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildRootItemProperties"); HRESULT hr = S_OK; LONG PropIndex = 0; // // check for ADF // if(m_pScanAPI->FakeScanner_ADFAttached() == S_OK){ m_bADFAttached = TRUE; } // // set the number of properties // if(m_bADFAttached){ m_NumRootItemProperties = 16; // standard properties + ADF specific } else { m_NumRootItemProperties = 7; // standard properties only } WIAS_LTRACE(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,WIALOG_LEVEL2,("BuildRootItemProperties, Number of Properties = %d",m_NumRootItemProperties)); m_pszRootItemDefaults = new LPOLESTR[m_NumRootItemProperties]; if(NULL != m_pszRootItemDefaults){ m_piRootItemDefaults = new PROPID[m_NumRootItemProperties]; if (NULL != m_piRootItemDefaults) { m_pvRootItemDefaults = new PROPVARIANT[m_NumRootItemProperties]; if(NULL != m_pvRootItemDefaults){ m_psRootItemDefaults = new PROPSPEC[m_NumRootItemProperties]; if(NULL != m_psRootItemDefaults){ m_wpiRootItemDefaults = new WIA_PROPERTY_INFO[m_NumRootItemProperties]; if(NULL == m_wpiRootItemDefaults) hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildRootItemProperties, memory allocation failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteRootItemProperties(); return hr; } ROOT_ITEM_INFORMATION RootItemInfo; hr = m_pScanAPI->FakeScanner_GetRootPropertyInfo(&RootItemInfo); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildRootItemProperties, FakeScanner_GetRootPropertyInfo failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteRootItemProperties(); return hr; } // Intialize WIA_IPA_ACCESS_RIGHTS m_pszRootItemDefaults[PropIndex] = WIA_IPA_ACCESS_RIGHTS_STR; m_piRootItemDefaults [PropIndex] = WIA_IPA_ACCESS_RIGHTS; m_pvRootItemDefaults [PropIndex].lVal = WIA_ITEM_READ|WIA_ITEM_WRITE; m_pvRootItemDefaults [PropIndex].vt = VT_UI4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_DPS_OPTICAL_XRES m_pszRootItemDefaults[PropIndex] = WIA_DPS_OPTICAL_XRES_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_OPTICAL_XRES; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.OpticalXResolution; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_DPS_OPTICAL_YRES m_pszRootItemDefaults[PropIndex] = WIA_DPS_OPTICAL_YRES_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_OPTICAL_YRES; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.OpticalYResolution; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPA_FIRMWARE_VERSION m_pszRootItemDefaults[PropIndex] = WIA_DPA_FIRMWARE_VERSION_STR; m_piRootItemDefaults [PropIndex] = WIA_DPA_FIRMWARE_VERSION; m_pvRootItemDefaults [PropIndex].bstrVal = SysAllocString(RootItemInfo.FirmwareVersion); m_pvRootItemDefaults [PropIndex].vt = VT_BSTR; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_IPA_ITEM_FLAGS m_pszRootItemDefaults[PropIndex] = WIA_IPA_ITEM_FLAGS_STR; m_piRootItemDefaults [PropIndex] = WIA_IPA_ITEM_FLAGS; m_pvRootItemDefaults [PropIndex].lVal = WiaItemTypeRoot|WiaItemTypeFolder|WiaItemTypeDevice; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_FLAG; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; m_wpiRootItemDefaults[PropIndex].ValidVal.Flag.Nom = m_pvRootItemDefaults [PropIndex].lVal; m_wpiRootItemDefaults[PropIndex].ValidVal.Flag.ValidBits = WiaItemTypeRoot|WiaItemTypeFolder|WiaItemTypeDevice; PropIndex++; // Intialize WIA_DPS_MAX_SCAN_TIME (NONE) m_pszRootItemDefaults[PropIndex] = WIA_DPS_MAX_SCAN_TIME_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_MAX_SCAN_TIME; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.MaxScanTime; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_DPS_PREVIEW (LIST) m_pszRootItemDefaults[PropIndex] = WIA_DPS_PREVIEW_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_PREVIEW; m_pvRootItemDefaults [PropIndex].lVal = WIA_FINAL_SCAN; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; m_wpiRootItemDefaults[PropIndex].ValidVal.List.pList= (BYTE*)m_pSupportedPreviewModes; m_wpiRootItemDefaults[PropIndex].ValidVal.List.Nom = m_pvRootItemDefaults [PropIndex].lVal; m_wpiRootItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedPreviewModes; PropIndex++; // Initialize WIA_DPS_SHOW_PREVIEW_CONTROL (NONE) m_pszRootItemDefaults[PropIndex] = WIA_DPS_SHOW_PREVIEW_CONTROL_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_SHOW_PREVIEW_CONTROL; m_pvRootItemDefaults [PropIndex].lVal = WIA_DONT_SHOW_PREVIEW_CONTROL; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // // if a Document feeder is attached...add the following properties // if(m_bADFAttached) { // Initialize WIA_DPS_HORIZONTAL_SHEET_FEED_SIZE m_pszRootItemDefaults[PropIndex] = WIA_DPS_HORIZONTAL_SHEET_FEED_SIZE_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_HORIZONTAL_SHEET_FEED_SIZE; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederWidth; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPS_DOCUMENT_HANDLING_CAPABILITIES m_pszRootItemDefaults[PropIndex] = WIA_DPS_DOCUMENT_HANDLING_CAPABILITIES_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_DOCUMENT_HANDLING_CAPABILITIES; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederCaps; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPS_DOCUMENT_HANDLING_STATUS m_pszRootItemDefaults[PropIndex] = WIA_DPS_DOCUMENT_HANDLING_STATUS_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_DOCUMENT_HANDLING_STATUS; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederStatus; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPS_DOCUMENT_HANDLING_SELECT m_pszRootItemDefaults[PropIndex] = WIA_DPS_DOCUMENT_HANDLING_SELECT_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_DOCUMENT_HANDLING_SELECT; m_pvRootItemDefaults [PropIndex].lVal = FEEDER; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_FLAG; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; m_wpiRootItemDefaults[PropIndex].ValidVal.Flag.Nom = m_pvRootItemDefaults [PropIndex].lVal; m_wpiRootItemDefaults[PropIndex].ValidVal.Flag.ValidBits = FEEDER | FLATBED; PropIndex++; // Initialize WIA_DPS_PAGES m_pszRootItemDefaults[PropIndex] = WIA_DPS_PAGES_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_PAGES; m_pvRootItemDefaults [PropIndex].lVal = 1; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; m_wpiRootItemDefaults[PropIndex].ValidVal.Range.Inc = 1; m_wpiRootItemDefaults[PropIndex].ValidVal.Range.Min = 0; m_wpiRootItemDefaults[PropIndex].ValidVal.Range.Max = RootItemInfo.MaxPageCapacity; m_wpiRootItemDefaults[PropIndex].ValidVal.Range.Nom = 1; PropIndex++; // Initialize WIA_DPS_SHEET_FEEDER_REGISTRATION m_pszRootItemDefaults[PropIndex] = WIA_DPS_SHEET_FEEDER_REGISTRATION_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_SHEET_FEEDER_REGISTRATION; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederReg; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPS_HORIZONTAL_BED_REGISTRATION m_pszRootItemDefaults[PropIndex] = WIA_DPS_HORIZONTAL_BED_REGISTRATION_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_HORIZONTAL_BED_REGISTRATION; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederHReg; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; // Initialize WIA_DPS_VERTICAL_BED_REGISTRATION m_pszRootItemDefaults[PropIndex] = WIA_DPS_VERTICAL_BED_REGISTRATION_STR; m_piRootItemDefaults [PropIndex] = WIA_DPS_VERTICAL_BED_REGISTRATION; m_pvRootItemDefaults [PropIndex].lVal = RootItemInfo.DocumentFeederVReg; m_pvRootItemDefaults [PropIndex].vt = VT_I4; m_psRootItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psRootItemDefaults [PropIndex].propid = m_piRootItemDefaults [PropIndex]; m_wpiRootItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiRootItemDefaults[PropIndex].vt = m_pvRootItemDefaults [PropIndex].vt; PropIndex++; } return hr; } /**************************************************************************\ * DeleteTopItemProperties * * This helper deletes the arrays used for Property intialization. * * [Array Name] [Description] [Array Type] * * m_pszItemDefaults - Property name array (LPOLESTR) * m_piItemDefaults - Property ID array (PROPID) * m_pvItemDefaults - Property Variant array (PROPVARIANT) * m_psItemDefaults - Property Spec array (PROPSPEC) * m_wpiItemDefaults - WIA Property Info array (WIA_PROPERTY_INFO) * * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteTopItemProperties() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteTopItemProperties"); HRESULT hr = S_OK; // // delete any allocated arrays // DeleteSupportedFormatsArrayContents(); DeleteSupportedDataTypesArrayContents(); DeleteSupportedCompressionsArrayContents(); DeleteSupportedTYMEDArrayContents(); DeleteInitialFormatsArrayContents(); DeleteSupportedResolutionsArrayContents(); if(NULL != m_pszItemDefaults){ delete [] m_pszItemDefaults; m_pszItemDefaults = NULL; } if(NULL != m_piItemDefaults){ delete [] m_piItemDefaults; m_piItemDefaults = NULL; } if(NULL != m_pvItemDefaults){ for(LONG lPropIndex = 0; lPropIndex < m_NumItemProperties; lPropIndex++){ // // set CLSID pointers to NULL, because we freed the memory above. // If this pointer is not NULL FreePropVariantArray would // try to free it again. // if(m_pvItemDefaults[lPropIndex].vt == VT_CLSID){ m_pvItemDefaults[lPropIndex].puuid = NULL; } } FreePropVariantArray(m_NumItemProperties,m_pvItemDefaults); delete [] m_pvItemDefaults; m_pvItemDefaults = NULL; } if(NULL != m_psItemDefaults){ delete [] m_psItemDefaults; m_psItemDefaults = NULL; } if(NULL != m_wpiItemDefaults){ delete [] m_wpiItemDefaults; m_wpiItemDefaults = NULL; } return hr; } /**************************************************************************\ * BuildTopItemProperties * * This helper creates/initializes the arrays used for Property intialization. * * [Array Name] [Description] [Array Type] * * m_pszItemDefaults - Property name array (LPOLESTR) * m_piItemDefaults - Property ID array (PROPID) * m_pvItemDefaults - Property Variant array (PROPVARIANT) * m_psItemDefaults - Property Spec array (PROPSPEC) * m_wpiItemDefaults - WIA Property Info array (WIA_PROPERTY_INFO) * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildTopItemProperties() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildTopItemProperties"); HRESULT hr = S_OK; m_NumItemProperties = 27; m_pszItemDefaults = new LPOLESTR[m_NumItemProperties]; if(NULL != m_pszItemDefaults){ m_piItemDefaults = new PROPID[m_NumItemProperties]; if (NULL != m_piItemDefaults) { m_pvItemDefaults = new PROPVARIANT[m_NumItemProperties]; if(NULL != m_pvItemDefaults){ m_psItemDefaults = new PROPSPEC[m_NumItemProperties]; if(NULL != m_psItemDefaults){ m_wpiItemDefaults = new WIA_PROPERTY_INFO[m_NumItemProperties]; if(NULL == m_wpiItemDefaults) hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; } else hr = E_OUTOFMEMORY; if(FAILED(hr)){ DeleteTopItemProperties(); return hr; } ROOT_ITEM_INFORMATION RootItemInfo; hr = m_pScanAPI->FakeScanner_GetRootPropertyInfo(&RootItemInfo); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildTopItemProperties, FakeScanner_GetRootPropertyInfo failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } TOP_ITEM_INFORMATION TopItemInfo; hr = m_pScanAPI->FakeScanner_GetTopPropertyInfo(&TopItemInfo); if(FAILED(hr)){ WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("BuildTopItemProperties, FakeScanner_GetTopPropertyInfo failed")); WIAS_LHRESULT(m_pIWiaLog, hr); DeleteTopItemProperties(); return hr; } LONG PropIndex = 0; if (TopItemInfo.bUseResolutionList) { // Intialize WIA_IPS_XRES (LIST) m_pszItemDefaults[PropIndex] = WIA_IPS_XRES_STR; m_piItemDefaults [PropIndex] = WIA_IPS_XRES; m_pvItemDefaults [PropIndex].lVal = m_pSupportedResolutions[PropIndex]; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.List.pList= (BYTE*)m_pSupportedResolutions; m_wpiItemDefaults[PropIndex].ValidVal.List.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedResolutions; PropIndex++; // Intialize WIA_IPS_YRES (LIST) m_pszItemDefaults[PropIndex] = WIA_IPS_YRES_STR; m_piItemDefaults [PropIndex] = WIA_IPS_YRES; m_pvItemDefaults [PropIndex].lVal = m_pSupportedResolutions[PropIndex-1]; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.List.pList= (BYTE*)m_pSupportedResolutions; m_wpiItemDefaults[PropIndex].ValidVal.List.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedResolutions; PropIndex++; } else { // we have a range // Intialize WIA_IPS_XRES (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_XRES_STR; m_piItemDefaults [PropIndex] = WIA_IPS_XRES; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.XResolution.lNom; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Range.Inc = TopItemInfo.XResolution.lInc; m_wpiItemDefaults[PropIndex].ValidVal.Range.Min = TopItemInfo.XResolution.lMin; m_wpiItemDefaults[PropIndex].ValidVal.Range.Max = TopItemInfo.XResolution.lMax; m_wpiItemDefaults[PropIndex].ValidVal.Range.Nom = TopItemInfo.XResolution.lNom; PropIndex++; // Intialize WIA_IPS_YRES (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_YRES_STR; m_piItemDefaults [PropIndex] = WIA_IPS_YRES; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.YResolution.lNom; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Range.Inc = TopItemInfo.YResolution.lInc; m_wpiItemDefaults[PropIndex].ValidVal.Range.Min = TopItemInfo.YResolution.lMin; m_wpiItemDefaults[PropIndex].ValidVal.Range.Max = TopItemInfo.YResolution.lMax; m_wpiItemDefaults[PropIndex].ValidVal.Range.Nom = TopItemInfo.YResolution.lNom; PropIndex++; } // Intialize WIA_IPS_XEXTENT (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_XEXTENT_STR; m_piItemDefaults [PropIndex] = WIA_IPS_XEXTENT; m_pvItemDefaults [PropIndex].lVal = (m_pvItemDefaults [PropIndex-2].lVal * RootItemInfo.ScanBedWidth)/1000; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPS_XPOS (NONE) m_pszItemDefaults[PropIndex] = WIA_IPS_XPOS_STR; m_piItemDefaults [PropIndex] = WIA_IPS_XPOS; m_pvItemDefaults [PropIndex].lVal = 0; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPS_YPOS (NONE) m_pszItemDefaults[PropIndex] = WIA_IPS_YPOS_STR; m_piItemDefaults [PropIndex] = WIA_IPS_YPOS; m_pvItemDefaults [PropIndex].lVal = 0; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_DATATYPE (LIST) m_pszItemDefaults[PropIndex] = WIA_IPA_DATATYPE_STR; m_piItemDefaults [PropIndex] = WIA_IPA_DATATYPE; m_pvItemDefaults [PropIndex].lVal = INITIAL_DATATYPE; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.List.pList = (BYTE*)m_pSupportedDataTypes; m_wpiItemDefaults[PropIndex].ValidVal.List.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedDataTypes; PropIndex++; // Intialize WIA_IPA_DEPTH (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_DEPTH_STR; m_piItemDefaults [PropIndex] = WIA_IPA_DEPTH; m_pvItemDefaults [PropIndex].lVal = INITIAL_BITDEPTH; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPS_BRIGHTNESS (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_BRIGHTNESS_STR; m_piItemDefaults [PropIndex] = WIA_IPS_BRIGHTNESS; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.Brightness.lNom; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Range.Inc = TopItemInfo.Brightness.lInc; m_wpiItemDefaults[PropIndex].ValidVal.Range.Min = TopItemInfo.Brightness.lMin; m_wpiItemDefaults[PropIndex].ValidVal.Range.Max = TopItemInfo.Brightness.lMax; m_wpiItemDefaults[PropIndex].ValidVal.Range.Nom = TopItemInfo.Brightness.lNom; PropIndex++; // Intialize WIA_IPS_CONTRAST (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_CONTRAST_STR; m_piItemDefaults [PropIndex] = WIA_IPS_CONTRAST; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.Contrast.lNom; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Range.Inc = TopItemInfo.Contrast.lInc; m_wpiItemDefaults[PropIndex].ValidVal.Range.Min = TopItemInfo.Contrast.lMin; m_wpiItemDefaults[PropIndex].ValidVal.Range.Max = TopItemInfo.Contrast.lMax; m_wpiItemDefaults[PropIndex].ValidVal.Range.Nom = TopItemInfo.Contrast.lNom; PropIndex++; // Intialize WIA_IPS_CUR_INTENT (FLAG) m_pszItemDefaults[PropIndex] = WIA_IPS_CUR_INTENT_STR; m_piItemDefaults [PropIndex] = WIA_IPS_CUR_INTENT; m_pvItemDefaults [PropIndex].lVal = WIA_INTENT_NONE; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_FLAG; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Flag.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.Flag.ValidBits = WIA_INTENT_IMAGE_TYPE_COLOR | WIA_INTENT_IMAGE_TYPE_GRAYSCALE | WIA_INTENT_IMAGE_TYPE_TEXT | WIA_INTENT_MINIMIZE_SIZE | WIA_INTENT_MAXIMIZE_QUALITY; PropIndex++; // Intialize WIA_IPA_PIXELS_PER_LINE (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_PIXELS_PER_LINE_STR; m_piItemDefaults [PropIndex] = WIA_IPA_PIXELS_PER_LINE; m_pvItemDefaults [PropIndex].lVal = m_pvItemDefaults[PropIndex-8].lVal; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_NUMER_OF_LINES (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_NUMBER_OF_LINES_STR; m_piItemDefaults [PropIndex] = WIA_IPA_NUMBER_OF_LINES; m_pvItemDefaults [PropIndex].lVal = 0; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_PREFERRED_FORMAT (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_PREFERRED_FORMAT_STR; m_piItemDefaults [PropIndex] = WIA_IPA_PREFERRED_FORMAT; m_pvItemDefaults [PropIndex].puuid = &m_pInitialFormats[0]; m_pvItemDefaults [PropIndex].vt = VT_CLSID; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_ITEM_SIZE (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_ITEM_SIZE_STR; m_piItemDefaults [PropIndex] = WIA_IPA_ITEM_SIZE; m_pvItemDefaults [PropIndex].lVal = 0; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPS_THRESHOLD (RANGE) m_pszItemDefaults[PropIndex] = WIA_IPS_THRESHOLD_STR; m_piItemDefaults [PropIndex] = WIA_IPS_THRESHOLD; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.Threshold.lNom; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_RANGE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Range.Inc = TopItemInfo.Threshold.lInc; m_wpiItemDefaults[PropIndex].ValidVal.Range.Min = TopItemInfo.Threshold.lMin; m_wpiItemDefaults[PropIndex].ValidVal.Range.Max = TopItemInfo.Threshold.lMax; m_wpiItemDefaults[PropIndex].ValidVal.Range.Nom = TopItemInfo.Threshold.lNom; PropIndex++; // Intialize WIA_IPA_FORMAT (LIST) m_pszItemDefaults[PropIndex] = WIA_IPA_FORMAT_STR; m_piItemDefaults [PropIndex] = WIA_IPA_FORMAT; m_pvItemDefaults [PropIndex].puuid = &m_pInitialFormats[0]; m_pvItemDefaults [PropIndex].vt = VT_CLSID; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.ListGuid.pList = m_pInitialFormats; m_wpiItemDefaults[PropIndex].ValidVal.ListGuid.Nom = *m_pvItemDefaults[PropIndex].puuid; m_wpiItemDefaults[PropIndex].ValidVal.ListGuid.cNumList = m_NumInitialFormats; PropIndex++; // Intialize WIA_IPA_TYMED (LIST) m_pszItemDefaults[PropIndex] = WIA_IPA_TYMED_STR; m_piItemDefaults [PropIndex] = WIA_IPA_TYMED; m_pvItemDefaults [PropIndex].lVal = INITIAL_TYMED; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.List.pList = (BYTE*)m_pSupportedTYMED; m_wpiItemDefaults[PropIndex].ValidVal.List.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedTYMED; PropIndex++; // Intialize WIA_IPA_CHANNELS_PER_PIXEL (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_CHANNELS_PER_PIXEL_STR; m_piItemDefaults [PropIndex] = WIA_IPA_CHANNELS_PER_PIXEL; m_pvItemDefaults [PropIndex].lVal = INITIAL_CHANNELS_PER_PIXEL; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_BITS_PER_CHANNEL (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_BITS_PER_CHANNEL_STR; m_piItemDefaults [PropIndex] = WIA_IPA_BITS_PER_CHANNEL; m_pvItemDefaults [PropIndex].lVal = INITIAL_BITS_PER_CHANNEL; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_PLANAR (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_PLANAR_STR; m_piItemDefaults [PropIndex] = WIA_IPA_PLANAR; m_pvItemDefaults [PropIndex].lVal = INITIAL_PLANAR; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_BYTES_PER_LINE (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_BYTES_PER_LINE_STR; m_piItemDefaults [PropIndex] = WIA_IPA_BYTES_PER_LINE; m_pvItemDefaults [PropIndex].lVal = 0; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_MIN_BUFFER_SIZE (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_MIN_BUFFER_SIZE_STR; m_piItemDefaults [PropIndex] = WIA_IPA_MIN_BUFFER_SIZE; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.lMinimumBufferSize; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_ACCESS_RIGHTS (NONE) m_pszItemDefaults[PropIndex] = WIA_IPA_ACCESS_RIGHTS_STR; m_piItemDefaults [PropIndex] = WIA_IPA_ACCESS_RIGHTS; m_pvItemDefaults [PropIndex].lVal = WIA_ITEM_READ|WIA_ITEM_WRITE; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPA_COMPRESSION (LIST) m_pszItemDefaults[PropIndex] = WIA_IPA_COMPRESSION_STR; m_piItemDefaults [PropIndex] = WIA_IPA_COMPRESSION; m_pvItemDefaults [PropIndex].lVal = INITIAL_COMPRESSION; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_RW|WIA_PROP_LIST; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.List.pList = (BYTE*)m_pSupportedCompressionTypes; m_wpiItemDefaults[PropIndex].ValidVal.List.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.List.cNumList = m_NumSupportedCompressionTypes; PropIndex++; // Initialize WIA_IPA_ITEM_FLAGS m_pszItemDefaults[PropIndex] = WIA_IPA_ITEM_FLAGS_STR; m_piItemDefaults [PropIndex] = WIA_IPA_ITEM_FLAGS; m_pvItemDefaults [PropIndex].lVal = WiaItemTypeImage|WiaItemTypeFile|WiaItemTypeDevice; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_FLAG; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; m_wpiItemDefaults[PropIndex].ValidVal.Flag.Nom = m_pvItemDefaults [PropIndex].lVal; m_wpiItemDefaults[PropIndex].ValidVal.Flag.ValidBits = WiaItemTypeImage|WiaItemTypeFile|WiaItemTypeDevice; PropIndex++; // Initialize WIA_IPS_PHOTOMETRIC_INTERP m_pszItemDefaults[PropIndex] = WIA_IPS_PHOTOMETRIC_INTERP_STR; m_piItemDefaults [PropIndex] = WIA_IPS_PHOTOMETRIC_INTERP; m_pvItemDefaults [PropIndex].lVal = INITIAL_PHOTOMETRIC_INTERP; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; // Intialize WIA_IPS_WARM_UP_TIME_STR (NONE) m_pszItemDefaults[PropIndex] = WIA_IPS_WARM_UP_TIME_STR; m_piItemDefaults [PropIndex] = WIA_IPS_WARM_UP_TIME; m_pvItemDefaults [PropIndex].lVal = TopItemInfo.lMaxLampWarmupTime; m_pvItemDefaults [PropIndex].vt = VT_I4; m_psItemDefaults [PropIndex].ulKind = PRSPEC_PROPID; m_psItemDefaults [PropIndex].propid = m_piItemDefaults [PropIndex]; m_wpiItemDefaults[PropIndex].lAccessFlags = WIA_PROP_READ|WIA_PROP_NONE; m_wpiItemDefaults[PropIndex].vt = m_pvItemDefaults [PropIndex].vt; PropIndex++; return hr; } /**************************************************************************\ * BuildSupportedResolutions * * This helper initializes the supported resolution array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedResolutions() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedResolutions"); HRESULT hr = S_OK; if(NULL != m_pSupportedResolutions) { // // Supported intents have already been initialized, // so return S_OK. // return hr; } m_NumSupportedResolutions = 6; m_pSupportedResolutions = new LONG[m_NumSupportedResolutions]; if(m_pSupportedResolutions){ m_pSupportedResolutions[0] = 75; m_pSupportedResolutions[1] = 100; m_pSupportedResolutions[2] = 150; m_pSupportedResolutions[3] = 200; m_pSupportedResolutions[4] = 300; m_pSupportedResolutions[5] = 600; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteSupportedResolutionsArrayContents * * This helper deletes the supported resolutions array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedResolutionsArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedResolutionsArrayContents"); HRESULT hr = S_OK; if(NULL != m_pSupportedResolutions) delete [] m_pSupportedResolutions; m_pSupportedResolutions = NULL; m_NumSupportedResolutions = 0; return hr; } /**************************************************************************\ * BuildSupportedIntents * * This helper initializes the supported intent array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedIntents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedIntents"); HRESULT hr = S_OK; if(NULL != m_pSupportedIntents) { // // Supported intents have already been initialized, // so return S_OK. // return hr; } m_NumSupportedIntents = 6; m_pSupportedIntents = new LONG[m_NumSupportedIntents]; if(m_pSupportedIntents){ m_pSupportedIntents[0] = WIA_INTENT_NONE; m_pSupportedIntents[1] = WIA_INTENT_IMAGE_TYPE_COLOR; m_pSupportedIntents[2] = WIA_INTENT_IMAGE_TYPE_GRAYSCALE; m_pSupportedIntents[3] = WIA_INTENT_IMAGE_TYPE_TEXT; m_pSupportedIntents[4] = WIA_INTENT_MINIMIZE_SIZE; m_pSupportedIntents[5] = WIA_INTENT_MAXIMIZE_QUALITY; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteSupportedIntentsArrayContents * * This helper deletes the supported intent array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedIntentsArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedIntentsArrayContents"); HRESULT hr = S_OK; if(NULL != m_pSupportedIntents) delete [] m_pSupportedIntents; m_pSupportedIntents = NULL; m_NumSupportedIntents = 0; return hr; } /**************************************************************************\ * BuildSupportedCompressions * * This helper initializes the supported compression types array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedCompressions() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedCompressions"); HRESULT hr = S_OK; if(NULL != m_pSupportedCompressionTypes) { // // Supported compression types have already been initialized, // so return S_OK. // return hr; } m_NumSupportedCompressionTypes = 1; m_pSupportedCompressionTypes = new LONG[m_NumSupportedCompressionTypes]; if(m_pSupportedCompressionTypes){ m_pSupportedCompressionTypes[0] = WIA_COMPRESSION_NONE; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteSupportedCompressionsArrayContents * * This helper deletes the supported compression types array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedCompressionsArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedCompressionsArrayContents"); HRESULT hr = S_OK; if (NULL != m_pSupportedCompressionTypes) delete [] m_pSupportedCompressionTypes; m_pSupportedCompressionTypes = NULL; m_NumSupportedCompressionTypes = 0; return hr; } /**************************************************************************\ * BuildSupportedPreviewModes * * This helper initializes the supported preview mode array * * Arguments: * * none * * Return Value: * * Status * * History: * * 8/17/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedPreviewModes() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedPreviewModes"); HRESULT hr = S_OK; if(NULL != m_pSupportedPreviewModes) { // // Supported preview modes have already been initialized, // so return S_OK. // return hr; } m_NumSupportedPreviewModes = 1; m_pSupportedPreviewModes = new LONG[m_NumSupportedPreviewModes]; if(m_pSupportedPreviewModes){ m_pSupportedPreviewModes[0] = WIA_FINAL_SCAN; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteSupportedCompressionsArrayContents * * This helper deletes the supported compression types array * * Arguments: * * none * * Return Value: * * Status * * History: * * 8/17/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedPreviewModesArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedPreviewModesArrayContents"); HRESULT hr = S_OK; if (NULL != m_pSupportedPreviewModes) delete [] m_pSupportedPreviewModes; m_pSupportedPreviewModes = NULL; m_NumSupportedPreviewModes = 0; return hr; } /**************************************************************************\ * BuildSupportedDataTypes * * This helper initializes the supported data types array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedDataTypes() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedDataTypes"); HRESULT hr = S_OK; if(NULL != m_pSupportedDataTypes) { // // Supported data types have already been initialized, // so return S_OK. // return hr; } m_NumSupportedDataTypes = 3; m_pSupportedDataTypes = new LONG[m_NumSupportedDataTypes]; if(m_pSupportedDataTypes){ m_pSupportedDataTypes[0] = WIA_DATA_THRESHOLD; m_pSupportedDataTypes[1] = WIA_DATA_GRAYSCALE; m_pSupportedDataTypes[2] = WIA_DATA_COLOR; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteSupportedDataTypesArrayContents * * This helper deletes the supported data types array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedDataTypesArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedDataTypesArrayContents"); HRESULT hr = S_OK; if(NULL != m_pSupportedDataTypes) delete [] m_pSupportedDataTypes; m_pSupportedDataTypes = NULL; m_NumSupportedDataTypes = 0; return hr; } /**************************************************************************\ * BuildInitialFormats * * This helper initializes the initial format array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildInitialFormats() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildInitialFormats"); HRESULT hr = S_OK; if(NULL != m_pInitialFormats) { // // Supported data types have already been initialized, // so return S_OK. // return hr; } m_NumInitialFormats = 1; m_pInitialFormats = new GUID[m_NumInitialFormats]; if(m_pInitialFormats){ m_pInitialFormats[0] = WiaImgFmt_MEMORYBMP; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteInitialFormatsArrayContents * * This helper deletes the initial format array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteInitialFormatsArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteInitialFormatsArrayContents"); HRESULT hr = S_OK; if(NULL != m_pInitialFormats) delete [] m_pInitialFormats; m_pInitialFormats = NULL; m_NumInitialFormats = 0; return hr; } /**************************************************************************\ * BuildSupportedFormats * * This helper initializes the supported format array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedFormats() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedFormats"); HRESULT hr = S_OK; if(NULL != m_pSupportedFormats) { // // Supported formats have already been initialized, // so return S_OK. // return hr; } hr = DeleteSupportedFormatsArrayContents(); if (SUCCEEDED(hr)) { m_NumSupportedFormats = 2; m_pSupportedFormats = new WIA_FORMAT_INFO[m_NumSupportedFormats]; if (m_pSupportedFormats) { m_pSupportedFormats[0].guidFormatID = WiaImgFmt_MEMORYBMP; m_pSupportedFormats[0].lTymed = TYMED_CALLBACK; m_pSupportedFormats[1].guidFormatID = WiaImgFmt_BMP; m_pSupportedFormats[1].lTymed = TYMED_FILE; } else hr = E_OUTOFMEMORY; } return hr; } /**************************************************************************\ * DeleteSupportedFormatsArrayContents * * This helper deletes the supported formats array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedFormatsArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedFormatsArrayContents"); HRESULT hr = S_OK; if(NULL != m_pSupportedFormats) delete [] m_pSupportedFormats; m_pSupportedFormats = NULL; m_NumSupportedFormats = 0; return hr; } /**************************************************************************\ * BuildSupportedTYMED * * This helper initializes the supported TYMED array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildSupportedTYMED() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::BuildSupportedTYMED"); HRESULT hr = S_OK; if(NULL != m_pSupportedTYMED) { // // Supported TYMED have already been initialized, // so return S_OK. // return hr; } hr = DeleteSupportedTYMEDArrayContents(); if (SUCCEEDED(hr)) { m_NumSupportedTYMED = 2; m_pSupportedTYMED = new LONG[m_NumSupportedTYMED]; if (m_pSupportedTYMED) { m_pSupportedTYMED[0] = TYMED_FILE; m_pSupportedTYMED[1] = TYMED_CALLBACK; } else hr = E_OUTOFMEMORY; } return hr; } /**************************************************************************\ * DeleteSupportedTYMEDArrayContents * * This helper deletes the supported TYMED array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteSupportedTYMEDArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteSupportedTYMEDArrayContents"); HRESULT hr = S_OK; if(NULL != m_pSupportedTYMED) delete [] m_pSupportedTYMED; m_pSupportedTYMED = NULL; m_NumSupportedTYMED = 0; return hr; } /**************************************************************************\ * BuildCapabilities * * This helper initializes the capabilities array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::BuildCapabilities() { HRESULT hr = S_OK; if(NULL != m_pCapabilities) { // // Capabilities have already been initialized, // so return S_OK. // return hr; } m_NumSupportedCommands = 1; m_NumSupportedEvents = 5; m_NumCapabilities = (m_NumSupportedCommands + m_NumSupportedEvents); LONG lArrayIndex = 0; // increment this value when adding new items to // the capabilites array m_pCapabilities = new WIA_DEV_CAP_DRV[m_NumCapabilities]; if (m_pCapabilities) { // // Initialize EVENTS // // WIA_EVENT_DEVICE_CONNECTED GetOLESTRResourceString(IDS_EVENT_DEVICE_CONNECTED_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_EVENT_DEVICE_CONNECTED_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_EVENT_DEVICE_CONNECTED; m_pCapabilities[lArrayIndex].ulFlags = WIA_NOTIFICATION_EVENT; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_DEVICE_CONNECTED; lArrayIndex++; // WIA_EVENT_DEVICE_DISCONNECTED GetOLESTRResourceString(IDS_EVENT_DEVICE_DISCONNECTED_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_EVENT_DEVICE_DISCONNECTED_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_EVENT_DEVICE_DISCONNECTED; m_pCapabilities[lArrayIndex].ulFlags = WIA_NOTIFICATION_EVENT; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_DEVICE_DISCONNECTED; lArrayIndex++; // FAX BUTTON EVENT GetOLESTRResourceString(IDS_EVENT_FAXBUTTON_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_EVENT_FAXBUTTON_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_EVENT_SCAN_FAX_IMAGE; m_pCapabilities[lArrayIndex].ulFlags = WIA_NOTIFICATION_EVENT | WIA_ACTION_EVENT; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_SCAN_BUTTON_PRESS; lArrayIndex++; // COPY BUTTON EVENT GetOLESTRResourceString(IDS_EVENT_COPYBUTTON_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_EVENT_COPYBUTTON_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_EVENT_SCAN_PRINT_IMAGE; m_pCapabilities[lArrayIndex].ulFlags = WIA_NOTIFICATION_EVENT | WIA_ACTION_EVENT; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_SCAN_BUTTON_PRESS; lArrayIndex++; // SCAN BUTTON EVENT GetOLESTRResourceString(IDS_EVENT_SCANBUTTON_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_EVENT_SCANBUTTON_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_EVENT_SCAN_IMAGE; m_pCapabilities[lArrayIndex].ulFlags = WIA_NOTIFICATION_EVENT | WIA_ACTION_EVENT; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_SCAN_BUTTON_PRESS; lArrayIndex++; // // Initialize COMMANDS // // WIA_CMD_SYNCHRONIZE GetOLESTRResourceString(IDS_CMD_SYNCRONIZE_NAME,&(m_pCapabilities[lArrayIndex].wszName),TRUE); GetOLESTRResourceString(IDS_CMD_SYNCRONIZE_DESC,&(m_pCapabilities[lArrayIndex].wszDescription),TRUE); m_pCapabilities[lArrayIndex].guid = (GUID*)&WIA_CMD_SYNCHRONIZE; m_pCapabilities[lArrayIndex].ulFlags = 0; m_pCapabilities[lArrayIndex].wszIcon = WIA_ICON_SYNCHRONIZE; lArrayIndex++; } else hr = E_OUTOFMEMORY; return hr; } /**************************************************************************\ * DeleteCapabilitiesArrayContents * * This helper deletes the capabilities array * * Arguments: * * none * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::DeleteCapabilitiesArrayContents() { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::DeleteCapabilitiesArrayContents"); HRESULT hr = S_OK; if(NULL != m_pCapabilities) { for (LONG i = 0; i < m_NumCapabilities;i++) { CoTaskMemFree(m_pCapabilities[i].wszName); CoTaskMemFree(m_pCapabilities[i].wszDescription); } delete [] m_pCapabilities; m_pCapabilities = NULL; } return hr; } /**************************************************************************\ * GetBSTRResourceString * * This helper gets a BSTR from a resource location * * Arguments: * * lResourceID - Resource ID of the target BSTR value * pBSTR - pointer to a BSTR value (caller must free this string) * bLocal - TRUE - for local resources, FALSE - for wiaservc resources * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::GetBSTRResourceString(LONG lResourceID,BSTR *pBSTR,BOOL bLocal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::GetBSTRResourceString"); HRESULT hr = S_OK; TCHAR szStringValue[255]; if(bLocal) { // // We are looking for a resource in our own private resource file // LoadString(g_hInst,lResourceID,szStringValue,255); // // NOTE: caller must free this allocated BSTR // #ifdef UNICODE *pBSTR = SysAllocString(szStringValue); #else WCHAR wszStringValue[255]; // // convert szStringValue from char* to unsigned short* (ANSI only) // MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szStringValue, lstrlenA(szStringValue)+1, wszStringValue, (sizeof(wszStringValue)/sizeof(WCHAR))); *pBSTR = SysAllocString(wszStringValue); #endif } else { // // We are looking for a resource in the wiaservc's resource file // hr = E_NOTIMPL; } return hr; } /**************************************************************************\ * GetOLESTRResourceString * * This helper gets a LPOLESTR from a resource location * * Arguments: * * lResourceID - Resource ID of the target BSTR value * ppsz - pointer to a OLESTR value (caller must free this string) * bLocal - TRUE - for local resources, FALSE - for wiaservc resources * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ HRESULT CWIAScannerDevice::GetOLESTRResourceString(LONG lResourceID,LPOLESTR *ppsz,BOOL bLocal) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL1, "CWIAScannerDevice::GetOLESTRResourceString"); HRESULT hr = S_OK; TCHAR szStringValue[255]; if(bLocal) { // // We are looking for a resource in our own private resource file // LoadString(g_hInst,lResourceID,szStringValue,255); // // NOTE: caller must free this allocated BSTR // #ifdef UNICODE *ppsz = NULL; *ppsz = (LPOLESTR)CoTaskMemAlloc(sizeof(szStringValue)); if(*ppsz != NULL) { wcscpy(*ppsz,szStringValue); } else { return E_OUTOFMEMORY; } #else WCHAR wszStringValue[255]; // // convert szStringValue from char* to unsigned short* (ANSI only) // MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szStringValue, lstrlenA(szStringValue)+1, wszStringValue, (sizeof(wszStringValue)/sizeof(WCHAR))); *ppsz = NULL; *ppsz = (LPOLESTR)CoTaskMemAlloc(sizeof(wszStringValue)); if(*ppsz != NULL) { wcscpy(*ppsz,wszStringValue); } else { return E_OUTOFMEMORY; } #endif } else { // // We are looking for a resource in the wiaservc's resource file // hr = E_NOTIMPL; } return hr; } /**************************************************************************\ * VerticalFlip * * * * Arguments: * * * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ VOID CWIAScannerDevice::VerticalFlip( PMINIDRIVERITEMCONTEXT pDrvItemContext, PMINIDRV_TRANSFER_CONTEXT pDataTransferContext) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::VerticalFlip"); LONG iHeight; LONG iWidth = pDrvItemContext->lBytesPerScanLineRaw; ULONG uiDepth = pDrvItemContext->lDepth; LONG ScanLineWidth = pDrvItemContext->lBytesPerScanLine; BITMAPINFO UNALIGNED *pbmi = NULL; PBYTE pImageTop = NULL; UNALIGNED BITMAPINFOHEADER *pbmih = NULL; // // find out if data is TYMED_FILE or TYMED_HGLOBAL // if (pDataTransferContext->tymed == TYMED_FILE) { pbmi = (PBITMAPINFO)(pDataTransferContext->pTransferBuffer + sizeof(BITMAPFILEHEADER)); } else if (pDataTransferContext->tymed == TYMED_HGLOBAL) { pbmi = (PBITMAPINFO)(pDataTransferContext->pTransferBuffer); } else { return; } // // init memory pointer and height // pbmih = (BITMAPINFOHEADER*)&pbmi->bmiHeader; pImageTop = &pDataTransferContext->pTransferBuffer[0] + pDataTransferContext->lHeaderSize; iHeight = pbmih->biHeight; // // try to allocat a temp scan line buffer // PBYTE pBuffer = (PBYTE)LocalAlloc(LPTR,ScanLineWidth); if (pBuffer != NULL) { LONG index; PBYTE pImageBottom; pImageBottom = pImageTop + (iHeight-1) * ScanLineWidth; for (index = 0;index < (iHeight/2);index++) { memcpy(pBuffer,pImageTop,ScanLineWidth); memcpy(pImageTop,pImageBottom,ScanLineWidth); memcpy(pImageBottom,pBuffer,ScanLineWidth); pImageTop += ScanLineWidth; pImageBottom -= ScanLineWidth; } LocalFree(pBuffer); } else { WIAS_LERROR(m_pIWiaLog,WIALOG_NO_RESOURCE_ID,("VerticalFlip, LocalAlloc failed allocating %d bytes",ScanLineWidth)); } } /**************************************************************************\ * SwapBuffer24 * * Place RGB bytes in correct order for DIB format. * * Arguments: * * pBuffer - Pointer to the data buffer. * lByteCount - Size of the data in bytes. * * Return Value: * * Status * * History: * * 7/18/2000 Original Version * \**************************************************************************/ VOID CWIAScannerDevice::SwapBuffer24(PBYTE pBuffer, LONG lByteCount) { CWiaLogProc WIAS_LOGPROC(m_pIWiaLog, WIALOG_NO_RESOURCE_ID, WIALOG_LEVEL3, "CWIAScannerDevice::::SwapBuffer24"); for (LONG i = 0; i < lByteCount; i+= 3) { BYTE bTemp = pBuffer[i]; pBuffer[i] = pBuffer[i + 2]; pBuffer[i + 2] = bTemp; } }