893 lines
23 KiB
C++
893 lines
23 KiB
C++
|
//----------------------------------------------------------------------------
|
||
|
|
// Copyright (c) 1998, 1999 Microsoft Corporation.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// miniitem.cpp
|
||
|
|
//
|
||
|
|
// Implementation of the WIA IrTran-P camera item methods.
|
||
|
|
//
|
||
|
|
// Author: MarkE 30-Aug-98 Original TestCam version.
|
||
|
|
//
|
||
|
|
// EdwardR 11-Aug-99 Rewritten for IrTran-P devices.
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <objbase.h>
|
||
|
|
#include <sti.h>
|
||
|
|
|
||
|
|
#include "ircamera.h"
|
||
|
|
|
||
|
|
#include "defprop.h"
|
||
|
|
|
||
|
|
extern HINSTANCE g_hInst; // Global DLL hInstance
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// ValidateDataTransferContext()
|
||
|
|
//
|
||
|
|
// Validate the data transfer context. This is a helper function, called
|
||
|
|
// by IrUsdDevice::drvAcquireItemData().
|
||
|
|
//
|
||
|
|
// Parameters:
|
||
|
|
//
|
||
|
|
// pDataTransferContext --
|
||
|
|
//
|
||
|
|
// Return:
|
||
|
|
//
|
||
|
|
// HRESULT S_OK
|
||
|
|
// E_INVALIDARG
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT ValidateDataTransferContext(
|
||
|
|
IN MINIDRV_TRANSFER_CONTEXT *pDataTransferContext )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Check the context size:
|
||
|
|
//
|
||
|
|
if (pDataTransferContext->lSize != sizeof(MINIDRV_TRANSFER_CONTEXT))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"ValidateDataTransferContext(): invalid data transfer context size"));
|
||
|
|
return E_INVALIDARG;;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// For tymed file or hglobal, only WiaImgFmt_JPEG is allowed:
|
||
|
|
//
|
||
|
|
if ( (pDataTransferContext->tymed == TYMED_FILE)
|
||
|
|
|| (pDataTransferContext->tymed == TYMED_HGLOBAL))
|
||
|
|
{
|
||
|
|
if (pDataTransferContext->guidFormatID != WiaImgFmt_JPEG)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"ValidateDataTransferContext(): invalid format for TYMED_FILE"));
|
||
|
|
return E_INVALIDARG;;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// For tymed CALLBACK, only WiaImgFmt_JPEG is allowed:
|
||
|
|
//
|
||
|
|
if (pDataTransferContext->tymed == TYMED_CALLBACK)
|
||
|
|
{
|
||
|
|
if (pDataTransferContext->guidFormatID != WiaImgFmt_JPEG)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"ValidateDataTransferContext(): Invalid format for TYMED_CALLBACK"));
|
||
|
|
return E_INVALIDARG;;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// The callback is always double buffered, non-callback case
|
||
|
|
// (TYMED_FILE) never is:
|
||
|
|
//
|
||
|
|
if (pDataTransferContext->pTransferBuffer == NULL)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst, "ValidateDataTransferContext(): Null transfer buffer"));
|
||
|
|
return E_INVALIDARG;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// SendBitmapHeader()
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// HRESULT S_OK
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT SendBitmapHeader(
|
||
|
|
IN IWiaDrvItem *pDrvItem,
|
||
|
|
IN MINIDRV_TRANSFER_CONTEXT *pTranCtx )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
WIAS_ASSERT(g_hInst, pDrvItem != NULL);
|
||
|
|
WIAS_ASSERT(g_hInst, pTranCtx != NULL);
|
||
|
|
WIAS_ASSERT(g_hInst, pTranCtx->tymed == TYMED_CALLBACK);
|
||
|
|
|
||
|
|
//
|
||
|
|
// driver is sending TOPDOWN data, must swap biHeight
|
||
|
|
//
|
||
|
|
// this routine assumes pTranCtx->pHeader points to a
|
||
|
|
// BITMAPINFO header (TYMED_FILE doesn't use this path
|
||
|
|
// and DIB is the only format supported now)
|
||
|
|
//
|
||
|
|
|
||
|
|
PBITMAPINFO pbmi = (PBITMAPINFO)pTranCtx->pTransferBuffer;
|
||
|
|
|
||
|
|
if (pTranCtx->guidFormatID == WiaImgFmt_BMP)
|
||
|
|
{
|
||
|
|
pbmi->bmiHeader.biHeight = -pbmi->bmiHeader.biHeight;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = pTranCtx->
|
||
|
|
pIWiaMiniDrvCallBack->
|
||
|
|
MiniDrvCallback(
|
||
|
|
IT_MSG_DATA,
|
||
|
|
IT_STATUS_TRANSFER_TO_CLIENT,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
pTranCtx->lHeaderSize,
|
||
|
|
pTranCtx,
|
||
|
|
0 );
|
||
|
|
|
||
|
|
if (hr == S_OK)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// advance offset for destination copy
|
||
|
|
//
|
||
|
|
pTranCtx->cbOffset += pTranCtx->lHeaderSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// IrUsdDevice::drvDeleteItem()
|
||
|
|
//
|
||
|
|
// Try to delete a device item.
|
||
|
|
//
|
||
|
|
// BUGBUG: Not yet implemented.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// pWiasContext - The context of the item to delete
|
||
|
|
// lFlags - unused
|
||
|
|
// plDevErrVal - unused
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// HRESULT - STG_E_ACCESSDENIED
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvDeleteItem(
|
||
|
|
IN BYTE *pWiasContext,
|
||
|
|
IN LONG lFlags,
|
||
|
|
OUT LONG *plDevErrVal )
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
IWiaDrvItem *pDrvItem = 0;
|
||
|
|
IRCAM_IMAGE_CONTEXT *pContext = 0;
|
||
|
|
|
||
|
|
WIAS_TRACE((g_hInst,"IrUsdDevice::drvDeleteItem()"));
|
||
|
|
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
hr = wiasGetDrvItem( pWiasContext, &pDrvItem );
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = pDrvItem->GetDeviceSpecContext( (BYTE**)&pContext );
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = CamDeletePicture( pContext );
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// IrUsdDevice::drvAcquireItemData()
|
||
|
|
//
|
||
|
|
// Scan data into buffer. This routine scans the entire contents into
|
||
|
|
// the destination buffer in one call. Status will be sent back if
|
||
|
|
// the callback routine is provided
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// pWiasContext - Identifies what item we are working with.
|
||
|
|
// lFlags - unused
|
||
|
|
// pTranCtx - Buffer and callback information
|
||
|
|
// plDevErrVal - Return error value
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// HRESULT - S_OK
|
||
|
|
// E_POINTER
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvAcquireItemData(
|
||
|
|
IN BYTE *pWiasContext,
|
||
|
|
IN LONG lFlags,
|
||
|
|
IN MINIDRV_TRANSFER_CONTEXT *pTranCtx,
|
||
|
|
OUT LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
WIAS_TRACE((g_hInst,"IrUsdDevice::drvAcquireItemData()"));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get a pointer to the associated driver item.
|
||
|
|
//
|
||
|
|
IWiaDrvItem* pDrvItem;
|
||
|
|
|
||
|
|
hr = wiasGetDrvItem(pWiasContext, &pDrvItem);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate the data transfer context.
|
||
|
|
//
|
||
|
|
hr = ValidateDataTransferContext(pTranCtx);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get item specific driver data:
|
||
|
|
//
|
||
|
|
IRCAM_IMAGE_CONTEXT *pMCamContext;
|
||
|
|
|
||
|
|
pDrvItem->GetDeviceSpecContext((BYTE **)&pMCamContext);
|
||
|
|
|
||
|
|
if (!pMCamContext)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvAcquireItemData(): NULL item context"));
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Use WIA services to fetch format specific info.
|
||
|
|
//
|
||
|
|
hr = wiasGetImageInformation(pWiasContext,
|
||
|
|
0,
|
||
|
|
pTranCtx);
|
||
|
|
|
||
|
|
if (hr != S_OK)
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Determine if this is a callback or buffered transfer
|
||
|
|
//
|
||
|
|
if (pTranCtx->tymed == TYMED_CALLBACK) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// For formats that have a data header, send it to the client
|
||
|
|
//
|
||
|
|
|
||
|
|
if (pTranCtx->lHeaderSize > 0)
|
||
|
|
{
|
||
|
|
hr = SendBitmapHeader(
|
||
|
|
pDrvItem,
|
||
|
|
pTranCtx);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hr == S_OK)
|
||
|
|
{
|
||
|
|
hr = CamLoadPictureCB(
|
||
|
|
pMCamContext,
|
||
|
|
pTranCtx,
|
||
|
|
plDevErrVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// Offset past the header in the buffer and get the picture data:
|
||
|
|
//
|
||
|
|
pTranCtx->cbOffset += pTranCtx->lHeaderSize;
|
||
|
|
|
||
|
|
hr = CamLoadPicture(
|
||
|
|
pMCamContext,
|
||
|
|
pTranCtx,
|
||
|
|
plDevErrVal);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// IrUsdDevice::drvInitItemProperties()
|
||
|
|
//
|
||
|
|
// Initialize the device item properties.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// pWiasContext - Pointer to WIA item context.
|
||
|
|
// lFLags - unused
|
||
|
|
// plDevErrVal - pointer to hardware error value.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// HRESULT - S_OK
|
||
|
|
// E_INVALIDARG
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvInitItemProperties(
|
||
|
|
IN BYTE *pWiasContext,
|
||
|
|
IN LONG lFlags,
|
||
|
|
OUT LONG *plDevErrVal )
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
LONG lItemType;
|
||
|
|
IRCAM_IMAGE_CONTEXT *pContext;
|
||
|
|
|
||
|
|
WIAS_TRACE((g_hInst,"IrUsdDevice::drvInitItemProperties()"));
|
||
|
|
|
||
|
|
//
|
||
|
|
// NOTE: This device doesn't touch hardware to initialize the
|
||
|
|
// device item properties.
|
||
|
|
//
|
||
|
|
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Parameter validation.
|
||
|
|
//
|
||
|
|
if (!pWiasContext)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvInitItemProperties(): invalid input pointers"));
|
||
|
|
return E_INVALIDARG;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get a pointer to the associated driver item:
|
||
|
|
//
|
||
|
|
IWiaDrvItem* pDrvItem;
|
||
|
|
|
||
|
|
hr = wiasGetDrvItem( pWiasContext, &pDrvItem );
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// The root item has the all the device properties
|
||
|
|
//
|
||
|
|
hr = pDrvItem->GetItemFlags(&lItemType);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lItemType & WiaItemTypeRoot)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Root item property initialization finishes here:
|
||
|
|
//
|
||
|
|
return InitDeviceProperties( pWiasContext, plDevErrVal);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If this is a file, init the properties
|
||
|
|
//
|
||
|
|
if (lItemType & WiaItemTypeFile)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Add the item property names:
|
||
|
|
//
|
||
|
|
hr = wiasSetItemPropNames(pWiasContext,
|
||
|
|
NUM_CAM_ITEM_PROPS,
|
||
|
|
gItemPropIDs,
|
||
|
|
gItemPropNames);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvInitItemProperties(): wiasSetItemPropNames() failed"));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Use WIA services to set default item properties:
|
||
|
|
//
|
||
|
|
hr = wiasWriteMultiple( pWiasContext,
|
||
|
|
NUM_CAM_ITEM_PROPS,
|
||
|
|
gPropSpecDefaults,
|
||
|
|
(PROPVARIANT*)gPropVarDefaults);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = pDrvItem->GetDeviceSpecContext((BYTE **)&pContext);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvInitItemProperties(): GetDeviceSpecContext failed"));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = InitImageInformation(pWiasContext,
|
||
|
|
pContext,
|
||
|
|
plDevErrVal);
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvInitItemProperties(): InitImageInformation() failed"));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// IrUsdDevice::drvValidateItemProperties()
|
||
|
|
//
|
||
|
|
// Validate the device item properties.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
//
|
||
|
|
// pWiasContext - wia item context
|
||
|
|
// lFlags - unused
|
||
|
|
// nPropSpec -
|
||
|
|
// pPropSpec -
|
||
|
|
// plDevErrVal - device error value
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
//
|
||
|
|
// HRESULT
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvValidateItemProperties(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
ULONG nPropSpec,
|
||
|
|
const PROPSPEC *pPropSpec,
|
||
|
|
LONG *plDevErrVal )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// This device doesn't touch hardware to validate the device item properties
|
||
|
|
//
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Parameter validation.
|
||
|
|
//
|
||
|
|
if (!pWiasContext || !pPropSpec)
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"IrUsdDevice::drvValidateItemProperties(): Invalid input pointers"));
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// validate size
|
||
|
|
//
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
IWiaDrvItem* pDrvItem;
|
||
|
|
|
||
|
|
hr = wiasGetDrvItem(pWiasContext, &pDrvItem);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
LONG lItemType;
|
||
|
|
|
||
|
|
hr = pDrvItem->GetItemFlags(&lItemType);
|
||
|
|
|
||
|
|
if (hr == S_OK)
|
||
|
|
{
|
||
|
|
if (lItemType & WiaItemTypeFile)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// calc item size
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = SetItemSize(pWiasContext);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Change MinBufferSize property. Need to get Tymed and
|
||
|
|
// ItemSize first, since MinBufferSize in dependant on these
|
||
|
|
// properties.
|
||
|
|
//
|
||
|
|
|
||
|
|
LONG lTymed;
|
||
|
|
LONG lItemSize;
|
||
|
|
LONG lMinBufSize = 0;
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
hr = wiasReadPropLong(pWiasContext, WIA_IPA_TYMED, &lTymed, NULL, TRUE);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst,"drvValidateItemProperties, could not read TYMED property"));
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = wiasReadPropLong(pWiasContext, WIA_IPA_ITEM_SIZE, &lItemSize, NULL, TRUE);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Update the MinBufferSize property.
|
||
|
|
//
|
||
|
|
|
||
|
|
switch (lTymed)
|
||
|
|
{
|
||
|
|
case TYMED_CALLBACK:
|
||
|
|
lMinBufSize = 65535;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
lMinBufSize = lItemSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lMinBufSize)
|
||
|
|
{
|
||
|
|
hr = wiasWritePropLong(pWiasContext, WIA_IPA_MIN_BUFFER_SIZE, lMinBufSize);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst, "drvValidateItemProperties, could not write value for WIA_IPA_MIN_BUFFER_SIZE"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
WIAS_ERROR((g_hInst, "drvValidateItemProperties, could not read value for ItemSize"));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
else if (lItemType & WiaItemTypeRoot)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Find out whether the Root Path property is changed
|
||
|
|
//
|
||
|
|
#if FALSE
|
||
|
|
for (ULONG i = 0; i < nPropSpec; i++)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (((pPropSpec[i].ulKind == PRSPEC_PROPID) &&
|
||
|
|
(pPropSpec[i].propid == WIA_DPP_TCAM_ROOT_PATH)) ||
|
||
|
|
((pPropSpec[i].ulKind == PRSPEC_LPWSTR) &&
|
||
|
|
(wcscmp(pPropSpec[i].lpwstr, WIA_DPP_TCAM_ROOT_PATH_STR) == 0)))
|
||
|
|
{
|
||
|
|
BSTR bstrRootPath;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Retrieve the new value for Root Path property
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = wiasReadPropStr(
|
||
|
|
pWiasContext,
|
||
|
|
WIA_DPP_TCAM_ROOT_PATH,
|
||
|
|
&bstrRootPath,
|
||
|
|
NULL,
|
||
|
|
TRUE);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
wcscpy(gpszPath, bstrRootPath);
|
||
|
|
#else
|
||
|
|
wcstombs(gpszPath, bstrRootPath, MAX_PATH);
|
||
|
|
#endif
|
||
|
|
//
|
||
|
|
// Release the Root Path bstr
|
||
|
|
//
|
||
|
|
|
||
|
|
SysFreeString(bstrRootPath);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Rebuild the item tree and send event notification
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = DeleteDeviceItemTree(plDevErrVal);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = BuildDeviceItemTree(plDevErrVal);
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
m_guidLastEvent = WIA_EVENT_DEVICE_CONNECTED;
|
||
|
|
SetEvent(m_hSignalEvent);
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvWriteItemProperties
|
||
|
|
*
|
||
|
|
* Write the device item properties to the hardware.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* pWiasContext - the corresponding wia item context
|
||
|
|
* pmdtc - pointer to mini driver context
|
||
|
|
* pFlags - unused
|
||
|
|
* plDevErrVal - the device error value
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 10/29/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvWriteItemProperties(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
PMINIDRV_TRANSFER_CONTEXT pmdtc,
|
||
|
|
LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Assume no device hardware errors.
|
||
|
|
//
|
||
|
|
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Parameter validation.
|
||
|
|
//
|
||
|
|
|
||
|
|
if ((! pWiasContext) || (! pmdtc)) {
|
||
|
|
WIAS_ERROR((g_hInst,"drvWriteItemProperties, invalid input pointers"));
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get a pointer to the associated driver item.
|
||
|
|
//
|
||
|
|
|
||
|
|
IWiaDrvItem* pDrvItem;
|
||
|
|
|
||
|
|
HRESULT hr = wiasGetDrvItem(pWiasContext, &pDrvItem);
|
||
|
|
if (FAILED(hr)) {
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
IRCAM_IMAGE_CONTEXT *pItemContext;
|
||
|
|
|
||
|
|
hr = pDrvItem->GetDeviceSpecContext((BYTE**)&pItemContext);
|
||
|
|
|
||
|
|
if (FAILED(hr)) {
|
||
|
|
WIAS_ERROR((g_hInst,"drvWriteItemProperties, NULL item context"));
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write the device item properties to the hardware here.
|
||
|
|
//
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvReadItemProperties
|
||
|
|
*
|
||
|
|
* Read the device item properties from the hardware.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* pWiasContext - wia item context
|
||
|
|
* lFlags - unused
|
||
|
|
* nPropSpec -
|
||
|
|
* pPropSpec -
|
||
|
|
* plDevErrVal - device error value
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 10/29/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvReadItemProperties(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
ULONG nPropSpec,
|
||
|
|
const PROPSPEC *pPropSpec,
|
||
|
|
LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
// For most scanner devices, item properties are stored in the driver
|
||
|
|
// and written out at acquire image time. Some devices support properties
|
||
|
|
// which should be updated on every property read. This can be done here.
|
||
|
|
|
||
|
|
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvLockWiaDevice
|
||
|
|
*
|
||
|
|
* Lock access to the device.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* pWiasContext - unused,
|
||
|
|
* lFlags - unused
|
||
|
|
* plDevErrVal - device error value
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 9/11/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT IrUsdDevice::drvLockWiaDevice(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
return m_pStiDevice->LockDevice(100);
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvUnLockWiaDevice
|
||
|
|
*
|
||
|
|
* Unlock access to the device.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* pWiasContext - unused
|
||
|
|
* lFlags - unused
|
||
|
|
* plDevErrVal - device error value
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 9/11/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT IrUsdDevice::drvUnLockWiaDevice(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
plDevErrVal = 0;
|
||
|
|
return m_pStiDevice->UnLockDevice();
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvAnalyzeItem
|
||
|
|
*
|
||
|
|
* The test camera does not support imag analysis.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* pWiasContext - Pointer to the device item context to be analyzed.
|
||
|
|
* lFlags - Operation flags.
|
||
|
|
* plDevErrVal - device error value
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 10/15/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvAnalyzeItem(
|
||
|
|
BYTE *pWiasContext,
|
||
|
|
LONG lFlags,
|
||
|
|
LONG *plDevErrVal)
|
||
|
|
{
|
||
|
|
*plDevErrVal = 0;
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
/**************************************************************************\
|
||
|
|
* IrUsdDevice::drvFreeDrvItemContext
|
||
|
|
*
|
||
|
|
* The test scanner does not support imag analysis.
|
||
|
|
*
|
||
|
|
* Arguments:
|
||
|
|
*
|
||
|
|
* lFlags - unused
|
||
|
|
* pSpecContext - Pointer to item specific context.
|
||
|
|
* plDevErrVal - device error value
|
||
|
|
*
|
||
|
|
* Return Value:
|
||
|
|
*
|
||
|
|
* Status
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 10/15/1998 Original Version
|
||
|
|
*
|
||
|
|
\**************************************************************************/
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT _stdcall IrUsdDevice::drvFreeDrvItemContext(
|
||
|
|
LONG lFlags,
|
||
|
|
BYTE *pSpecContext,
|
||
|
|
LONG *plDevErrVal )
|
||
|
|
{
|
||
|
|
IRCAM_IMAGE_CONTEXT *pContext = (IRCAM_IMAGE_CONTEXT*)pSpecContext;
|
||
|
|
|
||
|
|
if (pContext != NULL)
|
||
|
|
{
|
||
|
|
if (pContext->pszCameraImagePath != NULL)
|
||
|
|
{
|
||
|
|
free(pContext->pszCameraImagePath);
|
||
|
|
pContext->pszCameraImagePath = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|