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lightning-sunbird  0.9+nobinonly
nsRegionBeOS.h
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00037 
00038 #ifndef nsRegionBeOS_h___
00039 #define nsRegionBeOS_h___
00040 
00041 #include "nsIRegion.h"
00042 
00043 #include <Region.h>
00044 
00045 class nsRegionBeOS : public nsIRegion
00046 {
00047 public:
00048   nsRegionBeOS();
00049   virtual ~nsRegionBeOS();
00050 
00051     NS_DECL_ISUPPORTS
00052 
00053   virtual nsresult Init();
00054 
00055   virtual void SetTo(const nsIRegion &aRegion);
00056   virtual void SetTo(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
00057   void SetTo(const nsRegionBeOS *aRegion);
00058   virtual void Intersect(const nsIRegion &aRegion);
00059   virtual void Intersect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
00060   virtual void Union(const nsIRegion &aRegion);
00061   virtual void Union(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
00062   virtual void Subtract(const nsIRegion &aRegion);
00063   virtual void Subtract(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
00064   virtual PRBool IsEmpty(void);
00065   virtual PRBool IsEqual(const nsIRegion &aRegion);
00066   virtual void GetBoundingBox(PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight);
00067   virtual void Offset(PRInt32 aXOffset, PRInt32 aYOffset);
00068   virtual PRBool ContainsRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
00069   NS_IMETHOD GetRects(nsRegionRectSet **aRects);
00070   NS_IMETHOD FreeRects(nsRegionRectSet *aRects);
00071   NS_IMETHOD GetNativeRegion(void *&aRegion) const;
00072   NS_IMETHOD GetRegionComplexity(nsRegionComplexity &aComplexity) const;
00073   
00074   NS_IMETHOD GetNumRects(PRUint32 *aRects) const { *aRects = 0; return NS_OK; }
00075 
00076 protected: 
00077   void         SetRegionType(void); 
00078 
00079 private:
00080   BRegion                          mRegion;
00081   nsRegionComplexity mRegionType;
00082 };
00083 
00084 #endif  // nsRegionBeOS_h___