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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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
 * mozilla.org.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Stuart Parmenter <pavlov@pavlov.net>
 *   Joe Hewitt <hewitt@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef NSCAIROREGION__H__
#define NSCAIROREGION__H__

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

class nsCairoRegion : public nsIRegion
{
public:
    nsCairoRegion();

    NS_DECL_ISUPPORTS

    // nsIRegion
    nsresult Init (void);
    void SetTo (const nsIRegion &aRegion);
    void SetTo (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Intersect (const nsIRegion &aRegion);
    void Intersect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Union (const nsIRegion &aRegion);
    void Union (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    void Subtract (const nsIRegion &aRegion);
    void Subtract (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight);
    PRBool IsEmpty (void);
    PRBool IsEqual (const nsIRegion &aRegion);
    void GetBoundingBox (PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight);
    void Offset (PRInt32 aXOffset, PRInt32 aYOffset);
    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;

protected:
    nsRegion mRegion;
};

#endif