/*

* 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 GFXLINE2D_H

#define GFXLINE2D_H

#include <e32std.h>

#include "GfxFloatFixPt.h"

#include "GfxRectangle2D.h"

#include "GfxRectangularShape.h"

#include "GfxPoint2D.h"

#include "GfxPathIterator.h"

#include "GfxAffineTransform.h"

/**

 * Implementation of a line.

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TGfxLine2D : public MGfxShape

    {

    public:

        /**

         * Contructor.

         *

         * @since 1.0

         * @param aX1 : x coordinate of starting point.

         * @param aY1 : y coordinate of starting point.

         * @param aX2 : x coordinate of ending point.

         * @param aY2 : y coordinate of ending point.

         * @return

         */

                 TGfxLine2D( const TFloatFixPt& aX1,

                                     const TFloatFixPt& aY1,

                                     const TFloatFixPt& aX2,

                                     const TFloatFixPt& aY2 );

        /**

         * Contructor.

         *

         * @since 1.0

         * @param aP1 : starting point.

         * @param aP2 : ending point.

         * @return

         */

                TGfxLine2D( TGfxPoint2D aP1, TGfxPoint2D aP2 );

        //

        /**

         * Get the length of this line.

         *

         * @since 1.0

         * @return length

         */

         TFloatFixPt Length();

        // Implementation of MGfShape

        /**

         * Get the bounding box.

         *

         * @since 1.0

         * @param aAt : transform to apply.

         * @param aRect : storage of bounding box info.

         * @return

         */

         void   GetBounds( const TGfxAffineTransform& aAt,

                                   TGfxRectangle2D& aRect );

        /**

         * Get the path iterator for this line.

         *

         * @since 1.0

         * @param aAt : transform to apply.

         * @param aPitr : storage for iterator.

         * @return

         */

         void   GetPathIteratorL( TGfxAffineTransform* aAt,

                                          CGfxPathIterator*& aPitr );

        /**

         * Get the path iterator for this line.

         *

         * @since 1.0

         * @param aAt : transform to apply.

         * @param aLimit : maximum of point to define iterator.

         * @param aPitr : storage for iterator.

         * @return

         */

         void   GetPathIteratorL( TGfxAffineTransform* aAt,

                                          TInt aLimit,

                                          CGfxPathIterator*& aPitr );

        /**

         * Get area of this line: zero.

         *

         * @since 1.0

         * @return

         */

        TFloatFixPt AreaSize();

        /* Return shape type */

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

    public:

        TFloatFixPt  iX1;

        TFloatFixPt  iY1;

        TFloatFixPt  iX2;

        TFloatFixPt  iY2;

    };

#endif      // GFXLINE2D_H