137 lines
4.8 KiB
C
137 lines
4.8 KiB
C
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/*************************************************************************/
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/* Helper function */
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/*************************************************************************/
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#include "resource.h" // main symbols
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#include <atlctl.h>
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#include "MSWebDVD.h"
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#include "msdvd.h"
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class CDDrawDVD;
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/////////////////////////////////////////////////////////////////////////////
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// COverlayCallback
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class ATL_NO_VTABLE COverlayCallback :
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public CComObjectRootEx<CComSingleThreadModel>,
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public CComCoClass<COverlayCallback, &CLSID_OverlayCallback>,
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public IDispatchImpl<IOverlayCallback, &IID_IOverlayCallback, &LIBID_MSWEBDVDLib>,
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public IObjectWithSiteImplSec<COverlayCallback>,
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public IDDrawExclModeVideoCallback
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{
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public:
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COverlayCallback()
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{
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m_dwWidth = 0;
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m_dwHeight = 0;
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m_dwARWidth = 1;
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m_dwARHeight = 1;
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m_pDDrawDVD = NULL;
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}
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DECLARE_REGISTRY_RESOURCEID(IDR_OVERLAYCALLBACK)
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(COverlayCallback)
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COM_INTERFACE_ENTRY(IOverlayCallback)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(IObjectWithSite)
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COM_INTERFACE_ENTRY(IDDrawExclModeVideoCallback)
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END_COM_MAP()
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// IOverlayCallback
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public:
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STDMETHOD(SetDDrawDVD)(VARIANT pDDrawDVD);
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//IDDrawExclModeVideoCallback
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HRESULT STDMETHODCALLTYPE OnUpdateOverlay(BOOL bBefore,
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DWORD dwFlags,
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BOOL bOldVisible,
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const RECT *prcSrcOld,
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const RECT *prcDestOld,
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BOOL bNewVisible,
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const RECT *prcSrcNew,
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const RECT *prcDestNew);
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HRESULT STDMETHODCALLTYPE OnUpdateColorKey(COLORKEY const *pKey, DWORD dwColor);
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HRESULT STDMETHODCALLTYPE OnUpdateSize(DWORD dwWidth, DWORD dwHeight,
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DWORD dwARWidth, DWORD dwARHeight);
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private:
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CDDrawDVD *m_pDDrawDVD;
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DWORD m_dwWidth;
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DWORD m_dwHeight;
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DWORD m_dwARWidth;
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DWORD m_dwARHeight;
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};
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//
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// DDraw object class to paint color key, flip etc etc.
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//
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class CDDrawDVD {
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public:
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CDDrawDVD(CMSWebDVD *pDVD);
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~CDDrawDVD();
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HRESULT SetupDDraw(const AMDDRAWGUID* lpDDGUID, HWND hWnd);
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HRESULT SetColorKey(COLORREF dwColorKey);
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COLORREF GetColorKey();
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HRESULT CreateDIBBrush(COLORREF rgb, HBRUSH *phBrush);
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inline CMSWebDVD* GetDVD() {return m_pDVD;};
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inline IDirectDraw* GetDDrawObj(){return ((IDirectDraw*) m_pDDObject);}
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inline IDirectDrawSurface* GetDDrawSurf(){return ((IDirectDrawSurface*) m_pPrimary);}
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inline IDDrawExclModeVideoCallback * GetCallbackInterface() {
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CComQIPtr<IDDrawExclModeVideoCallback, &IID_IDDrawExclModeVideoCallback> pIDDrawExclModeVideoCallback(m_pOverlayCallback);
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return (IDDrawExclModeVideoCallback*) pIDDrawExclModeVideoCallback ;
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} ;
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HRESULT DDColorMatchOffscreen(COLORREF rgb, DWORD* dwColor);
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HRESULT HasOverlay();
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HRESULT HasAvailableOverlay();
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HRESULT GetOverlayMaxStretch(DWORD *pdwMaxStretch);
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private:
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CComPtr<IDirectDraw> m_pDDObject; // ddraw object
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CComPtr<IDirectDrawSurface> m_pPrimary; // primary ddraw surface
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CComPtr<IOverlayCallback> m_pOverlayCallback ; // overlay callback handler interface
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COLORREF m_VideoKeyColor ;
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CMSWebDVD *m_pDVD;
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};
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#define DibFree(pdib) GlobalFreePtr(pdib)
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#define DibWidth(lpbi) _abs((int)(LONG)(((LPBITMAPINFOHEADER)(lpbi))->biWidth))
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#define DibHeight(lpbi) _abs((int)(LONG)(((LPBITMAPINFOHEADER)(lpbi))->biHeight))
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#define DibBitCount(lpbi) (UINT)(((LPBITMAPINFOHEADER)(lpbi))->biBitCount)
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#define DibCompression(lpbi) (DWORD)(((LPBITMAPINFOHEADER)(lpbi))->biCompression)
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#define DibWidthBytesN(lpbi, n) (UINT)WIDTHBYTES((UINT)(lpbi)->biWidth * (UINT)(n))
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#define DibWidthBytes(lpbi) DibWidthBytesN(lpbi, (lpbi)->biBitCount)
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#define DibSizeImage(lpbi) ((lpbi)->biSizeImage == 0 \
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? ((DWORD)(UINT)DibWidthBytes(lpbi) * (DWORD)DibHeight(lpbi)) \
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: (lpbi)->biSizeImage)
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#define DibSize(lpbi) ((lpbi)->biSize + (lpbi)->biSizeImage + (int)(lpbi)->biClrUsed * sizeof(RGBQUAD))
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#define DibPaletteSize(lpbi) (DibNumColors(lpbi) * sizeof(RGBQUAD))
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#define DibFlipY(lpbi, y) ((int)_abs((lpbi)->biHeight)-1-(y))
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//HACK for NT BI_BITFIELDS DIBs
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#ifdef WIN32
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#define DibPtr(lpbi) ((lpbi)->biCompression == BI_BITFIELDS \
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? (LPVOID)(DibColors(lpbi) + 3) : (LPVOID)(DibColors(lpbi) + (UINT)(lpbi)->biClrUsed))
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#else
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#define DibPtr(lpbi) (LPVOID)(DibColors(lpbi) + (UINT)(lpbi)->biClrUsed)
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#endif
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#define DibColors(lpbi) ((RGBQUAD FAR *)((LPBYTE)(lpbi) + (int)(lpbi)->biSize))
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#define DibNumColors(lpbi) ((lpbi)->biClrUsed == 0 && (lpbi)->biBitCount <= 8 \
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? (int)(1 << (int)(lpbi)->biBitCount) \
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: (int)(lpbi)->biClrUsed)
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