/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Graphics Extension Library header file

*

*/

#ifndef GFXELLIPSE2D_H

#define GFXELLIPSE2D_H

#include <e32std.h>

#include "GfxFloatFixPt.h"

#include "GfxRectangle2D.h"

#include "GfxRectangularShape.h"

#include "GfxPoint2D.h"

#include "GfxPathIterator.h"

#include "GfxAffineTransform.h"

enum TEllipseConstructType

    {

    EElipseCenterAndRadius, // cx, cy, rx, ry

    EElipseRectangular      // x, y, w, h

    };

/**

 * Implementation of an ellipse.

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TGfxEllipse2D : public TGfxRectangularShape

    {

    public:

        /**

         * Construct a TGfxEllipse2D object.

         *

         * @since 1.0

         * @param aX1 : focus point 1 or top-left  x coordinate

         * @param aY1 : focus point 1 or top-left y coordinate

         * @param aWidth : focus point 2 or width

         * @param aHeight : focus point 2 or height

         * @return

         */

               TGfxEllipse2D( const TFloatFixPt & aX,

                                      const TFloatFixPt & aY,

                                      const TFloatFixPt & aWidth,

                                      const TFloatFixPt & aHeight );

        /**

         * Construct a TGfxEllipse2D object.  The TEllipseConstructType

         * parameter defines the type of ellipse to create.

         *

         * @since 1.0

         * @param aX1 : focus point 1 or top-left  x coordinate

         * @param aY1 : focus point 1 or top-left y coordinate

         * @param aX1 : focus point 2 or width

         * @param aY1 : focus point 2 or height

         * @param aEtype : elliptical or rectangular data given

         * @return

         */

                TGfxEllipse2D( const TFloatFixPt & aX1,

                                       const TFloatFixPt & aY1,

                                       const TFloatFixPt & aX2,

                                       const TFloatFixPt & aY2,

                                       TEllipseConstructType aEtype );

        /**

         * Get the path iterator for this shape.

         * Implementation of MGfxShape method.

         *

         * @since 1.0

         * @param aAt : transform to apply the defining points.

         * @param aPitr : path iterator data storage.

         * @return

         */

         void   GetPathIteratorL( TGfxAffineTransform* aAt,

                                          CGfxPathIterator*& aPitr );

        /**

         * Get the path iterator for this shape.

         * Implementation of MGfxShape method.

         *

         * @since 1.0

         * @param aAt : transform to apply the defining points.

         * @param aLimit : number of points defining the path.

         * @param aPitr : path iterator data storage.

         * @return

         */

         void   GetPathIteratorL( TGfxAffineTransform* aAt,

                                          TInt aLimit,

                                          CGfxPathIterator*& aPitr );

        /* Return shape type */

        inline virtual TInt ShapeType () { return EEllipse; };

    };

#endif      // GFXELLIPSE2D_H