/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */

#ifndef nsRegionMotif_h___
#define nsRegionMotif_h___

#include "nsIRegion.h"

#include "X11/Xlib.h"
#include "X11/Xutil.h"


class nsRegionMotif : public nsIRegion
{
public:
  nsRegionMotif();
  virtual ~nsRegionMotif();

  NS_DECL_ISUPPORTS

  virtual nsresult Init();

  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;

private:
  Region              mRegion;
  nsRegionComplexity  mRegionType;

private:
  virtual void SetRegionType();
  virtual void SetRegionEmpty();
  virtual Region CreateRectRegion(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);

};

#endif  // nsRegionMotif_h___ 
