/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is mozilla.org code.
 * 
 * The Initial Developer of the Original Code is Dainis Jonitis,
 * <Dainis_Jonitis@swh-t.lv>.  Portions created by Dainis Jonitis are
 * Copyright (C) 2001 Dainis Jonitis. All Rights Reserved.
 *
 * Contributor(s):
 */

#ifndef nsRegionImpl_h__
#define nsRegionImpl_h__


#include "nsIRegion.h"
#include "nsRegion.h"


class nsRegionImpl : public nsIRegion
{
protected:
  nsRegion mRegion;

public:
  virtual nsresult Init (void);
  virtual void SetTo (const nsIRegion &aRegion);
  virtual void SetTo (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
  virtual void Intersect (const nsIRegion &aRegion);
  virtual void Intersect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
  virtual void Union (const nsIRegion &aRegion);
  virtual void Union (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
  virtual void Subtract (const nsIRegion &aRegion);
  virtual void Subtract (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
  virtual PRBool IsEmpty (void);
  virtual PRBool IsEqual (const nsIRegion &aRegion);
  virtual void GetBoundingBox (PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight);
  virtual void Offset (PRInt32 aXOffset, PRInt32 aYOffset);
  virtual PRBool ContainsRect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
  NS_IMETHOD GetRects (nsRegionRectSet **aRects);
  NS_IMETHOD FreeRects (nsRegionRectSet *aRects);
  NS_IMETHOD GetNativeRegion (void *&aRegion) const;
  NS_IMETHOD GetRegionComplexity (nsRegionComplexity &aComplexity) const;
  NS_IMETHOD GetNumRects (PRUint32 *aRects) const;
};

#endif