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356 lines
12 KiB
356 lines
12 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: SCANITEM.CPP
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 10/7/1999
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*
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* DESCRIPTION:
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*
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*******************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#include <vwiaset.h>
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CScannerItem::CScannerItem(void)
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: m_dwIWiaItemCookie(0)
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{
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m_AspectRatio.cx = m_AspectRatio.cy = 0;
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}
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CScannerItem::CScannerItem( const CScannerItem &other )
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: m_dwIWiaItemCookie(0)
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{
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m_AspectRatio.cx = m_AspectRatio.cy = 0;
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Assign(other);
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}
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CScannerItem::CScannerItem( IWiaItem *pIWiaItem )
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: m_dwIWiaItemCookie(0)
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{
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m_AspectRatio.cx = m_AspectRatio.cy = 0;
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Initialize( pIWiaItem );
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}
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CScannerItem::~CScannerItem(void)
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{
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Destroy();
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}
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CComPtr<IWiaItem> CScannerItem::Item(void) const
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{
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return(m_pIWiaItem);
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}
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SIZE CScannerItem::AspectRatio(void) const
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{
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return(m_AspectRatio);
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}
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DWORD CScannerItem::Cookie(void) const
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{
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return(m_dwIWiaItemCookie);
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}
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CScannerItem &CScannerItem::Assign( const CScannerItem &other )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::Assign"));
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if (&other == this)
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return(*this);
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Initialize( other.Item() );
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return(*this);
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}
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bool CScannerItem::operator==( const CScannerItem &other )
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{
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return(m_pIWiaItem.p == other.Item().p);
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}
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CScannerItem &CScannerItem::operator=( const CScannerItem &other )
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{
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return(Assign(other));
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}
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HRESULT CScannerItem::Destroy(void)
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::Destroy"));
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HRESULT hr = E_FAIL;
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if (m_dwIWiaItemCookie)
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{
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CComPtr<IGlobalInterfaceTable> pGlobalInterfaceTable;
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hr = CoCreateInstance( CLSID_StdGlobalInterfaceTable, NULL, CLSCTX_INPROC_SERVER, IID_IGlobalInterfaceTable, (void **)&pGlobalInterfaceTable );
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if (SUCCEEDED(hr))
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{
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WIA_TRACE((TEXT("Calling RevokeInterfaceFromGlobal on %08X"), m_dwIWiaItemCookie ));
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hr = pGlobalInterfaceTable->RevokeInterfaceFromGlobal( m_dwIWiaItemCookie );
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}
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m_dwIWiaItemCookie = 0;
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}
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m_pIWiaItem = NULL;
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return(hr);
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}
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HRESULT CScannerItem::Initialize( IWiaItem *pIWiaItem )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::Initialize"));
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Destroy();
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HRESULT hr = E_FAIL;
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IWiaPropertyStorage *pIWiaPropertyStorage;
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if (pIWiaItem)
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{
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m_pIWiaItem = pIWiaItem;
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CComPtr<IGlobalInterfaceTable> pGlobalInterfaceTable;
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hr = CoCreateInstance( CLSID_StdGlobalInterfaceTable, NULL, CLSCTX_INPROC_SERVER, IID_IGlobalInterfaceTable, (void **)&pGlobalInterfaceTable );
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if (SUCCEEDED(hr))
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{
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hr = pGlobalInterfaceTable->RegisterInterfaceInGlobal( m_pIWiaItem, IID_IWiaItem, &m_dwIWiaItemCookie );
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if (SUCCEEDED(hr))
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{
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hr = m_pIWiaItem->QueryInterface(IID_IWiaPropertyStorage, (void**) &pIWiaPropertyStorage);
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if (SUCCEEDED(hr))
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{
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hr = m_SavedPropertyStream.AssignFromWiaItem(m_pIWiaItem);
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if (SUCCEEDED(hr))
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{
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IWiaItem *pRootItem = NULL;
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hr = m_pIWiaItem->GetRootItem(&pRootItem);
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if (SUCCEEDED(hr))
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{
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LONG lBedSizeX, lBedSizeY;
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if (PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_HORIZONTAL_BED_SIZE, lBedSizeX ) &&
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PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_VERTICAL_BED_SIZE, lBedSizeY ))
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{
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m_AspectRatio.cx = lBedSizeX;
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m_AspectRatio.cy = lBedSizeY;
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}
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pRootItem->Release();
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}
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}
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pIWiaPropertyStorage->Release();
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}
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}
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}
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}
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if (!SUCCEEDED(hr))
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{
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Destroy();
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}
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return(hr);
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}
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bool CScannerItem::GetAspectRatio( SIZE &sizeAspectRatio )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::GetAspectRatio"));
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if (m_AspectRatio.cx && m_AspectRatio.cy)
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{
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sizeAspectRatio = m_AspectRatio;
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return(true);
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}
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return(false);
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}
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bool CScannerItem::ApplyCurrentPreviewWindowSettings( HWND hWndPreview )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::ApplyCurrentPreviewWindowSettings"));
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SIZE sizeCurrentRes, sizeFullRes;
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SIZE sizeExtent;
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POINT ptOrigin;
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//
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// Get the current resolution
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//
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if (PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_XRES, sizeCurrentRes.cx ) &&
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PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_YRES, sizeCurrentRes.cy ))
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{
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//
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// Compute the full page resolution of the item
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//
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if (GetFullResolution( sizeCurrentRes, sizeFullRes ))
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{
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//
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// Set the resolution in the preview control
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//
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SendMessage( hWndPreview, PWM_SETRESOLUTION, 0, (LPARAM)&sizeFullRes );
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//
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// Get the origin and extent
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//
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SendMessage( hWndPreview, PWM_GETSELORIGIN, MAKEWPARAM(0,0), (LPARAM)&ptOrigin );
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SendMessage( hWndPreview, PWM_GETSELEXTENT, MAKEWPARAM(0,0), (LPARAM)&sizeExtent );
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WIA_TRACE(( TEXT("Current DPI: (%d,%d), Full Bed Res: (%d,%d), Origin: (%d,%d), Extent: (%d,%d)"), sizeCurrentRes.cx, sizeCurrentRes.cy, sizeFullRes.cx, sizeFullRes.cy, ptOrigin.x, ptOrigin.y, sizeExtent.cx, sizeExtent.cy ));
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//
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// Set the origin and extents. We don't set them directly, because they might not be a correct multiple
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//
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CValidWiaSettings::SetNumericPropertyOnBoundary( m_pIWiaItem, WIA_IPS_XPOS, ptOrigin.x );
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CValidWiaSettings::SetNumericPropertyOnBoundary( m_pIWiaItem, WIA_IPS_YPOS, ptOrigin.y );
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CValidWiaSettings::SetNumericPropertyOnBoundary( m_pIWiaItem, WIA_IPS_XEXTENT, sizeExtent.cx );
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CValidWiaSettings::SetNumericPropertyOnBoundary( m_pIWiaItem, WIA_IPS_YEXTENT, sizeExtent.cy );
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return(true);
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}
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}
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return(false);
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}
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/* Calculate the maximum scan size using the give DPI */
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bool CScannerItem::GetFullResolution( const SIZE &sizeResolutionPerInch, SIZE &sizeRes )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::GetFullResolution"));
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CComPtr<IWiaItem> pRootItem;
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if (SUCCEEDED(m_pIWiaItem->GetRootItem(&pRootItem)) && pRootItem)
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{
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LONG lBedSizeX, lBedSizeY, nPaperSource;
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if (PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_DOCUMENT_HANDLING_SELECT, static_cast<LONG>(nPaperSource)) && nPaperSource & FEEDER)
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{
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if (PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_HORIZONTAL_SHEET_FEED_SIZE, lBedSizeX ) &&
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PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_VERTICAL_SHEET_FEED_SIZE, lBedSizeY ))
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{
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sizeRes.cx = WiaUiUtil::MulDivNoRound( sizeResolutionPerInch.cx, lBedSizeX, 1000 );
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sizeRes.cy = WiaUiUtil::MulDivNoRound( sizeResolutionPerInch.cy, lBedSizeY, 1000 );
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return(true);
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}
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}
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if (PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_HORIZONTAL_BED_SIZE, lBedSizeX ) &&
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PropStorageHelpers::GetProperty( pRootItem, WIA_DPS_VERTICAL_BED_SIZE, lBedSizeY ))
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{
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sizeRes.cx = WiaUiUtil::MulDivNoRound( sizeResolutionPerInch.cx, lBedSizeX, 1000 );
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sizeRes.cy = WiaUiUtil::MulDivNoRound( sizeResolutionPerInch.cy, lBedSizeY, 1000 );
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return(true);
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}
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}
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return(false);
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}
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void CScannerItem::Cancel(void)
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{
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m_CancelEvent.Signal();
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}
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bool CScannerItem::CalculatePreviewResolution( SIZE &sizeResolution )
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{
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const LONG nDesiredResolution = 50;
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PropStorageHelpers::CPropertyRange XResolutionRange, YResolutionRange;
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if (PropStorageHelpers::GetPropertyRange( m_pIWiaItem, WIA_IPS_XRES, XResolutionRange ) &&
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PropStorageHelpers::GetPropertyRange( m_pIWiaItem, WIA_IPS_YRES, YResolutionRange ))
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{
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sizeResolution.cx = WiaUiUtil::GetMinimum<LONG>( XResolutionRange.nMin, nDesiredResolution, XResolutionRange.nStep );
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sizeResolution.cy = WiaUiUtil::GetMinimum<LONG>( YResolutionRange.nMin, nDesiredResolution, YResolutionRange.nStep );
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return(true);
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}
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else
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{
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CSimpleDynamicArray<LONG> XResolutionList, YResolutionList;
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if (PropStorageHelpers::GetPropertyList( m_pIWiaItem, WIA_IPS_XRES, XResolutionList ) &&
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PropStorageHelpers::GetPropertyList( m_pIWiaItem, WIA_IPS_YRES, YResolutionList ))
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{
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for (int i=0;i<XResolutionList.Size();i++)
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{
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sizeResolution.cx = XResolutionList[i];
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if (sizeResolution.cx >= nDesiredResolution)
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break;
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}
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for (i=0;i<YResolutionList.Size();i++)
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{
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sizeResolution.cy = YResolutionList[i];
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if (sizeResolution.cy >= nDesiredResolution)
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break;
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}
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return(true);
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}
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}
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return(false);
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}
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/*
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* Scan: Prepare scan parameters and spawn the scanning thread.
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*/
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HANDLE CScannerItem::Scan( HWND hWndPreview, HWND hWndNotify )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::Scan"));
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POINT ptOrigin;
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SIZE sizeExtent;
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SIZE sizeResolution;
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if (hWndPreview)
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{
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ptOrigin.x = ptOrigin.y = 0;
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if (!CalculatePreviewResolution(sizeResolution))
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{
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WIA_ERROR((TEXT("Unable to calculate the preview resolution")));
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return(NULL);
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}
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if (!GetFullResolution(sizeResolution,sizeExtent))
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{
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WIA_ERROR((TEXT("Unable to calculate the preview resolution size")));
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return(NULL);
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}
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}
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else
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{
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if (!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_XRES, sizeResolution.cx ) ||
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!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_YRES, sizeResolution.cy ) ||
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!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_XPOS, ptOrigin.x) ||
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!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_YPOS, ptOrigin.y) ||
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!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_XEXTENT, sizeExtent.cx) ||
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!PropStorageHelpers::GetProperty( m_pIWiaItem, WIA_IPS_YEXTENT, sizeExtent.cy))
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{
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return(NULL);
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}
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}
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m_CancelEvent.Reset();
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HANDLE hScan = CScanPreviewThread::Scan(
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m_dwIWiaItemCookie,
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hWndPreview,
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hWndNotify,
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ptOrigin,
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sizeResolution,
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sizeExtent,
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m_CancelEvent
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);
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return(hScan);
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}
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HANDLE CScannerItem::Scan( HWND hWndNotify, GUID guidFormat, const CSimpleStringWide &strFilename )
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{
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return CScanToFileThread::Scan( m_dwIWiaItemCookie, hWndNotify, guidFormat, strFilename );
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}
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bool CScannerItem::SetIntent( int nIntent )
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{
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WIA_PUSHFUNCTION(TEXT("CScannerItem::SetIntent"));
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CWaitCursor wc;
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// Restore the properties to their initial pristine settings first
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if (SUCCEEDED(m_SavedPropertyStream.ApplyToWiaItem(m_pIWiaItem)))
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{
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return(PropStorageHelpers::SetProperty( m_pIWiaItem, WIA_IPS_CUR_INTENT, nIntent ) &&
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PropStorageHelpers::SetProperty( m_pIWiaItem, WIA_IPS_CUR_INTENT, 0 ));
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}
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return false;
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}
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CSimpleEvent CScannerItem::CancelEvent(void) const
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{
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return(m_CancelEvent);
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}
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