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