Source code of Windows XP (NT5)
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4.8 KiB

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