/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

#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