139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
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// Preview.h : Declaration of the CVideoPreview
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#ifndef __VIDEOPREVIEW_H_
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#define __VIDEOPREVIEW_H_
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#include "resource.h" // main symbols
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#include <atlctl.h>
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#define PM_CREATEGRAPH (WM_USER+1)
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#define PM_GOAWAY (WM_USER+2)
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#define TIMER_SHOW_DIALOG 1
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#define TIMER_CLOSE_DIALOG 2
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typedef struct {
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HWND hDlg;
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HANDLE hEvent;
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} PREVIEW_INFO_STRUCT;
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/////////////////////////////////////////////////////////////////////////////
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// CVideoPreview
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class ATL_NO_VTABLE CVideoPreview :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CStockPropImpl<CVideoPreview, IVideoPreview, &IID_IVideoPreview, &LIBID_WIAVIEWLib>,
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public CComControl<CVideoPreview>,
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public IPersistStreamInitImpl<CVideoPreview>,
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public IOleControlImpl<CVideoPreview>,
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public IOleObjectImpl<CVideoPreview>,
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public IOleInPlaceActiveObjectImpl<CVideoPreview>,
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public IViewObjectExImpl<CVideoPreview>,
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public IOleInPlaceObjectWindowlessImpl<CVideoPreview>,
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public IPersistStorageImpl<CVideoPreview>,
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public ISpecifyPropertyPagesImpl<CVideoPreview>,
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public IQuickActivateImpl<CVideoPreview>,
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public IDataObjectImpl<CVideoPreview>,
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public IProvideClassInfo2Impl<&CLSID_VideoPreview, NULL, &LIBID_WIAVIEWLib>,
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public CComCoClass<CVideoPreview, &CLSID_VideoPreview>
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{
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public:
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CVideoPreview()
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{
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m_bWindowOnly = TRUE;
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m_bAutoSize = FALSE;
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//m_bUsingWindowRegion = TRUE;
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m_bCreated = FALSE;
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WIA_PUSHFUNCTION((TEXT("CVideoPreview::CVideoPreview")));
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}
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~CVideoPreview()
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{
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WIA_PUSHFUNCTION((TEXT("CVideoPreview::~CVideoPreview")));
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}
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DECLARE_REGISTRY_RESOURCEID(IDR_PREVIEW)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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// Mark this interface as safe
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BEGIN_CATEGORY_MAP(CVideoPreview)
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IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
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IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
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END_CATEGORY_MAP()
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BEGIN_COM_MAP(CVideoPreview)
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COM_INTERFACE_ENTRY(IVideoPreview)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IViewObjectEx)
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COM_INTERFACE_ENTRY(IViewObject2)
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COM_INTERFACE_ENTRY(IViewObject)
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COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
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COM_INTERFACE_ENTRY(IOleInPlaceObject)
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COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
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COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
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COM_INTERFACE_ENTRY(IOleControl)
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COM_INTERFACE_ENTRY(IOleObject)
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COM_INTERFACE_ENTRY(IPersistStreamInit)
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COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
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COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
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COM_INTERFACE_ENTRY(IQuickActivate)
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COM_INTERFACE_ENTRY(IPersistStorage)
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COM_INTERFACE_ENTRY(IDataObject)
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COM_INTERFACE_ENTRY(IProvideClassInfo)
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COM_INTERFACE_ENTRY(IProvideClassInfo2)
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END_COM_MAP()
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BEGIN_PROP_MAP(CVideoPreview)
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PROP_ENTRY("HWND", DISPID_HWND, CLSID_NULL)
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// Example entries
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// PROP_ENTRY("Property Description", dispid, clsid)
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// PROP_PAGE(CLSID_StockColorPage)
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END_PROP_MAP()
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BEGIN_MSG_MAP(CVideoPreview)
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CHAIN_MSG_MAP(CComControl<CVideoPreview>)
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MESSAGE_HANDLER(WM_SIZE, OnSize)
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MESSAGE_HANDLER(WM_CREATE,OnCreate)
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MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
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DEFAULT_REFLECTION_HANDLER()
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END_MSG_MAP()
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// Handler prototypes:
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// LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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// LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
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// LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);
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// IViewObjectEx
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// DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
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// IOleInPlaceObject
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STDMETHOD(InPlaceDeactivate)();
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// IVideoPreview
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public:
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STDMETHOD(Device)(IUnknown * pDevice);
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LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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HRESULT OnDraw(ATL_DRAWINFO& di)
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{
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return S_OK;
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}
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private:
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CComPtr<IUnknown> m_pDevice;
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CComPtr<IWiaVideo> m_pWiaVideo;
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BOOL m_bCreated;
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};
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#endif //__PREVIEW_H_
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