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lightning-sunbird  0.9+nobinonly
nsDrawingSurfaceWin.h
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00037 
00038 #ifndef nsDrawingSurfaceWin_h___
00039 #define nsDrawingSurfaceWin_h___
00040 
00041 #include "nsIDrawingSurface.h"
00042 #include "nsIDrawingSurfaceWin.h"
00043 
00044 #ifdef NGLAYOUT_DDRAW
00045 #include "ddraw.h"
00046 #endif
00047 
00048 class nsDrawingSurfaceWin : public nsIDrawingSurface,
00049                             nsIDrawingSurfaceWin
00050 {
00051 public:
00052   nsDrawingSurfaceWin();
00053 
00054   NS_DECL_ISUPPORTS
00055 
00056   //nsIDrawingSurface interface
00057 
00058   NS_IMETHOD Lock(PRInt32 aX, PRInt32 aY, PRUint32 aWidth, PRUint32 aHeight,
00059                   void **aBits, PRInt32 *aStride, PRInt32 *aWidthBytes,
00060                   PRUint32 aFlags);
00061   NS_IMETHOD Unlock(void);
00062   NS_IMETHOD GetDimensions(PRUint32 *aWidth, PRUint32 *aHeight);
00063   NS_IMETHOD IsOffscreen(PRBool *aOffScreen);
00064   NS_IMETHOD IsPixelAddressable(PRBool *aAddressable);
00065   NS_IMETHOD GetPixelFormat(nsPixelFormat *aFormat);
00066 
00067   //nsIDrawingSurfaceWin interface
00068 
00069   NS_IMETHOD Init(HDC aDC);
00070   NS_IMETHOD Init(HDC aDC, PRUint32 aWidth, PRUint32 aHeight,
00071                   PRUint32 aFlags);
00072   NS_IMETHOD GetDC(HDC *aDC);
00073   NS_IMETHOD GetTECHNOLOGY(PRInt32  *aTechnology); 
00074   NS_IMETHOD ReleaseDC(void);
00075   NS_IMETHOD IsReleaseDCDestructive(PRBool *aDestructive);
00076 
00077   // locals
00078 #ifdef NGLAYOUT_DDRAW
00079   nsresult GetDDraw(IDirectDraw2 **aDDraw);
00080 #endif
00081 
00082 private:
00083   ~nsDrawingSurfaceWin();
00084 
00085   BITMAPINFO *CreateBitmapInfo(PRInt32 aWidth, PRInt32 aHeight, PRInt32 aDepth,
00086                                void **aBits = nsnull);
00087 
00088 #ifdef NGLAYOUT_DDRAW
00089   nsresult CreateDDraw(void);
00090   PRBool LockSurface(IDirectDrawSurface *aSurface, DDSURFACEDESC *aDesc,
00091                      BITMAP *aBitmap, RECT *aRect, DWORD aLockFlags, nsPixelFormat *aPixFormat);
00092 #endif
00093 
00094   HDC           mDC;
00095   HBITMAP       mOrigBitmap;
00096   HBITMAP       mSelectedBitmap;
00097   PRBool        mKillDC;
00098   BITMAPINFO    *mBitmapInfo;
00099   PRUint8       *mDIBits;
00100   BITMAP        mBitmap;
00101   nsPixelFormat mPixFormat;
00102   HBITMAP       mLockedBitmap;
00103   PRUint32      mWidth;
00104   PRUint32      mHeight;
00105   PRInt32       mLockOffset;
00106   PRInt32       mLockHeight;
00107   PRUint32      mLockFlags;
00108   PRInt32       mTechnology;
00109 
00110 
00111 #ifdef NGLAYOUT_DDRAW
00112   IDirectDrawSurface  *mSurface;
00113   PRInt32             mSurfLockCnt;
00114   DDSURFACEDESC       mSurfDesc;
00115 
00116   static IDirectDraw  *mDDraw;
00117   static IDirectDraw2 *mDDraw2;
00118   static nsresult     mDDrawResult;
00119 #endif
00120 };
00121 
00122 #endif