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/*****************************************************************************
* * (C) COPYRIGHT MICROSOFT CORPORATION, 1999 - 2000 * * TITLE: vstiusd.h * * VERSION: 1.1 * * AUTHOR: WilliamH (original for Twain) * RickTu (port for WIA) * * DATE: 9/16/99 * * DESCRIPTION: Header file that decalres CVideoSTiUsd class and other * needed classes. * *****************************************************************************/
#ifndef _WIA_STILL_DRIVER_VSTIUSD_H_
#define _WIA_STILL_DRIVER_VSTIUSD_H_
extern HINSTANCE g_hInstance;extern ULONG g_cDllRef;
#define NUM_WIA_FORMAT_INFO 5
HRESULT FindEncoder(const GUID &guidFormat, CLSID *pClsid);
//
// Base class for supporting non-delegating IUnknown for contained objects
//
struct INonDelegatingUnknown{ // *** IUnknown-like methods ***
STDMETHOD(NonDelegatingQueryInterface)( THIS_ REFIID riid, LPVOID * ppvObj) PURE; STDMETHOD_(ULONG,NonDelegatingAddRef)(THIS) PURE; STDMETHOD_(ULONG,NonDelegatingRelease)( THIS) PURE;};
///////////////////////////////
// CVideoUsdClassFactory
//
class CVideoUsdClassFactory : public IClassFactory{private: ULONG m_cRef;
public: CVideoUsdClassFactory();
//
// Declare IUnknown methods
//
STDMETHODIMP_(ULONG) AddRef(void); STDMETHODIMP_(ULONG) Release(void); STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
//
// IClassFactory implemenation
//
STDMETHODIMP LockServer(BOOL fLock); STDMETHODIMP CreateInstance(IUnknown *pOuterUnk, REFIID riid, void **ppv);
static HRESULT GetClassObject(REFCLSID rclsid, REFIID riid, void **ppv); static HRESULT CanUnloadNow();};
///////////////////////////////
// CVideoStiUsd
//
class CVideoStiUsd : public IStiUSD, public IWiaMiniDrv, public INonDelegatingUnknown {public: CVideoStiUsd(IUnknown * pUnkOuter); HRESULT PrivateInitialize(); ~CVideoStiUsd();
//
// Real IUnknown methods
//
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, LPVOID * ppvObj); STDMETHODIMP_(ULONG) NonDelegatingAddRef(); STDMETHODIMP_(ULONG) NonDelegatingRelease();
//
// Aggregate IUnknown methods
//
STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj); STDMETHODIMP_(ULONG) AddRef(void); STDMETHODIMP_(ULONG) Release(void);
//
// IStillUsd implementation
//
STDMETHODIMP Initialize(PSTIDEVICECONTROL pDcb, DWORD dwStiVersion, HKEY hParameterKey); STDMETHODIMP GetCapabilities(PSTI_USD_CAPS pDevCaps); STDMETHODIMP GetStatus(PSTI_DEVICE_STATUS pDevStatus); STDMETHODIMP DeviceReset(); STDMETHODIMP Diagnostic(LPSTI_DIAG pBuffer); STDMETHODIMP Escape(STI_RAW_CONTROL_CODE Function, LPVOID DataIn, DWORD DataInSize, LPVOID DataOut, DWORD DataOutSize, DWORD *pActualSize); STDMETHODIMP GetLastError(LPDWORD pLastError); STDMETHODIMP LockDevice(); STDMETHODIMP UnLockDevice(); STDMETHODIMP RawReadData(LPVOID Buffer, LPDWORD BufferSize, LPOVERLAPPED lpOverlapped); STDMETHODIMP RawWriteData(LPVOID Buffer, DWORD BufferSize, LPOVERLAPPED lpOverlapped); STDMETHODIMP RawReadCommand(LPVOID Buffer, LPDWORD BufferSize, LPOVERLAPPED lpOverlapped); STDMETHODIMP RawWriteCommand(LPVOID Buffer, DWORD BufferSize, LPOVERLAPPED lpOverlapped); STDMETHODIMP SetNotificationHandle(HANDLE hEvent); STDMETHODIMP GetNotificationData(LPSTINOTIFY lpNotify); STDMETHODIMP GetLastErrorInfo(STI_ERROR_INFO *pLastErrorInfo);
//
// IWiaMiniDrv methods
//
STDMETHOD(drvInitializeWia)(THIS_ BYTE* pWiasContext, LONG lFlags, BSTR bstrDeviceID, BSTR bstrRootFullItemName, IUnknown *pStiDevice, IUnknown *pIUnknownOuter, IWiaDrvItem **ppIDrvItemRoot, IUnknown **ppIUnknownInner, LONG *plDevErrVal);
STDMETHOD(drvGetDeviceErrorStr)(THIS_ LONG lFlags, LONG lDevErrVal, LPOLESTR *ppszDevErrStr, LONG *plDevErr);
STDMETHOD(drvDeviceCommand)(THIS_ BYTE *pWiasContext, LONG lFlags, const GUID *pGUIDCommand, IWiaDrvItem **ppMiniDrvItem, LONG *plDevErrVal);
STDMETHOD(drvAcquireItemData)(THIS_ BYTE *pWiasContext, LONG lFlags, PMINIDRV_TRANSFER_CONTEXT pDataContext, LONG *plDevErrVal);
STDMETHOD(drvInitItemProperties)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal);
STDMETHOD(drvValidateItemProperties)(THIS_ BYTE *pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC *pPropSpec, LONG *plDevErrVal);
STDMETHOD(drvWriteItemProperties)(THIS_ BYTE *pWiasContext, LONG lFLags, PMINIDRV_TRANSFER_CONTEXT pmdtc, LONG *plDevErrVal);
STDMETHOD(drvReadItemProperties)(THIS_ BYTE *pWiaItem, LONG lFlags, ULONG nPropSpec, const PROPSPEC *pPropSpec, LONG *plDevErrVal);
STDMETHOD(drvLockWiaDevice)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal);
STDMETHOD(drvUnLockWiaDevice)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal );
STDMETHOD(drvAnalyzeItem)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal);
STDMETHOD(drvDeleteItem)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *plDevErrVal);
STDMETHOD(drvFreeDrvItemContext)(THIS_ LONG lFlags, BYTE *pDevContext, LONG *plDevErrVal);
STDMETHOD(drvGetCapabilities)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *pCelt, WIA_DEV_CAP_DRV **ppCapabilities, LONG *plDevErrVal);
STDMETHOD(drvGetWiaFormatInfo)(THIS_ BYTE *pWiasContext, LONG lFlags, LONG *pCelt, WIA_FORMAT_INFO **ppwfi, LONG *plDevErrVal);
STDMETHOD(drvNotifyPnpEvent)(THIS_ const GUID *pEventGUID, BSTR bstrDeviceID, ULONG ulReserved);
STDMETHOD(drvUnInitializeWia)(THIS_ BYTE*);
//
// Utility functions
//
STDMETHOD(BuildItemTree)(IWiaDrvItem **ppIDrvItemRoot, LONG *plDevErrVal); STDMETHOD(RefreshTree)(IWiaDrvItem *pIDrvItemRoot, LONG *plDevErrVal); STDMETHOD(EnumSavedImages)(IWiaDrvItem *pRootItem); STDMETHOD(CreateItemFromFileName)(LONG FolderType,LPCTSTR pszPath,LPCTSTR pszName,IWiaDrvItem **ppNewFolder); STDMETHOD(InitDeviceProperties)(BYTE *pWiasContext, LONG *plDevErrVal); STDMETHOD(InitImageInformation)(BYTE *pWiasContext, PSTILLCAM_IMAGE_CONTEXT pContext, LONG *plDevErrVal); STDMETHOD(SendBitmapHeader)( IWiaDrvItem *pDrvItem, PMINIDRV_TRANSFER_CONTEXT pTranCtx); STDMETHOD(ValidateDataTransferContext)(PMINIDRV_TRANSFER_CONTEXT pDataTransferContext); STDMETHOD(LoadImageCB)(STILLCAM_IMAGE_CONTEXT *pContext,MINIDRV_TRANSFER_CONTEXT *pTransCtx, PLONG plDevErrVal); STDMETHOD(LoadImage)(STILLCAM_IMAGE_CONTEXT *pContext,MINIDRV_TRANSFER_CONTEXT *pTransCtx, PLONG plDevErrVal); STDMETHODIMP_(VOID) HandleNewBits(HGLOBAL hDib,IWiaDrvItem **ppItem); STDMETHOD(DoBandedTransfer)(MINIDRV_TRANSFER_CONTEXT *pTransCtx,PBYTE pSrc,LONG lBytesToTransfer); STDMETHOD(DoTransfer)(MINIDRV_TRANSFER_CONTEXT *pTransCtx,PBYTE pSrc,LONG lBytesToTransfer); STDMETHOD(StreamJPEGBits)(STILLCAM_IMAGE_CONTEXT *pContext, MINIDRV_TRANSFER_CONTEXT *pTransCtx, BOOL bBanded); STDMETHOD(StreamBMPBits)(STILLCAM_IMAGE_CONTEXT *pContext, MINIDRV_TRANSFER_CONTEXT *pTransCtx, BOOL bBanded);
private:
//
// IStiUSD stuff
//
HRESULT OpenDevice(LPCWSTR DeviceName); HRESULT CloseDevice();
//
// Misc functions
//
HRESULT VerifyCorrectImagePath(BSTR bstrNewImageFullPath);
HRESULT SignalNewImage(BSTR bstrNewImageFullPath);
BOOL FindCaptureFilter( LPCTSTR pszDeviceId, CComPtr<IMoniker> & pCaptureFilterMoniker );
BOOL DoesFileExist(BSTR bstrFileName); BOOL IsFileAlreadyInTree( IWiaDrvItem * pRootItem, LPCTSTR pszFileName );
HRESULT PruneTree( IWiaDrvItem * pRootItem, BOOL * pbTreeChanged );
HRESULT AddNewFilesToTree( IWiaDrvItem * pRootItem, BOOL * pbTreeChanged );
HRESULT AddTreeItem(CSimpleString *pstrFullImagePath, IWiaDrvItem **ppDrvItem);
HRESULT SetImagesDirectory(BSTR bstrNewImagesDirectory, BYTE *pWiasContext, IWiaDrvItem **ppIDrvItemRoot, LONG *plDevErrVal);
HRESULT ValidateItemProperties(BYTE * pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC * pPropSpec, LONG * plDevErrVal, IWiaDrvItem * pDrvItem);
HRESULT ValidateDeviceProperties(BYTE * pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC * pPropSpec, LONG * plDevErrVal, IWiaDrvItem * pDrvItem);
HRESULT ReadItemProperties(BYTE * pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC * pPropSpec, LONG * plDevErrVal, IWiaDrvItem * pDrvItem);
HRESULT ReadDeviceProperties(BYTE * pWiasContext, LONG lFlags, ULONG nPropSpec, const PROPSPEC * pPropSpec, LONG * plDevErrVal, IWiaDrvItem * pDrvItem);
HRESULT EnableTakePicture(BYTE *pTakePictureOwner); HRESULT TakePicture(BYTE *pTakePictureOwner, IWiaDrvItem ** ppNewDrvItem); HRESULT DisableTakePicture(BYTE *pTakePictureOwner, BOOL bShuttingDown);
//
// IWiaMiniDrv stuff
//
CSimpleStringWide m_strDeviceId; CSimpleStringWide m_strRootFullItemName; CSimpleStringWide m_strStillPath; CSimpleStringWide m_strDShowDeviceId; CSimpleStringWide m_strLastPictureTaken; CRITICAL_SECTION m_csItemTree;
CComPtr<IWiaDrvItem> m_pRootItem; CComPtr<IStiDevice> m_pStiDevice; WIA_FORMAT_INFO * m_wfi; LONG m_lPicsTaken; HANDLE m_hTakePictureEvent; HANDLE m_hPictureReadyEvent; ULONG_PTR m_ulGdiPlusToken; IWiaDrvItem * m_pLastItemCreated; // only valid while inside m_csSnapshot
BYTE * m_pTakePictureOwner;
DWORD m_dwConnectedApps;
//
// IUnknown stuff
//
ULONG m_cRef; // Device object reference count.
LPUNKNOWN m_pUnkOuter; // Pointer to outer unknown.
//
// IStiUSD stuff
//
BOOL m_bDeviceIsOpened;};
#endif
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