/*

* 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 source file

*

*/

#ifndef GFXGRADIENTPAINT_H

#define GFXGRADIENTPAINT_H

#include <e32std.h>

#include <fbs.h>

#include "GfxPaint.h"

#include "GfxAffineTransform.h"

#include <VG/openvg.h>

//

#include "VGRenderer.h"

const TUint16 KuserSpaceOnUse = 0;

const TUint16 KobjectBoundingBox = 1;

const TUint16 KspreadMethodPad = 0; //SVG_GRADIENT_PAD;

const TUint16 KspreadMethodReflect = 1; //SVG_GRADIENT_REFLECT;

const TUint16 KspreadMethodRepeat= 2; //SVG_GRADIENT_REPEAT;

/**

 * This class holds stop color information for gradient.

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TSvgStopData

	{

	public:

		TFloatFixPt iOffset;

		TUint32 iStopColor;

		TFloatFixPt iStopOpacity;

	};

/**

 * This class provides the common properties and methods for linear and radial gradient.

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TGfxGradientPaint : public MGfxPaint

    {

    public:

        /**

         * Constructor.

         *

         * @since 1.0

         * @return

         */

		 TGfxGradientPaint();

		 ~TGfxGradientPaint();

		void SetFill(VGPaint aFillPaint, TGfxRectangle2D& aBBox, TFloatFixPt aOpacity,void* GfxContext);

		TUint16 iGradientUnits;

		TUint16 iSpreadMethod;

		SVGMatrix2x3 iGradientTransform;

		RArray<TSvgStopData>  *iStopData;

		VGPaint	iFillPaint;

    };

/**

 *

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TGfxLinearGradientPaint : public TGfxGradientPaint

    {

    public:

        /**

         * Constructor.

         *

         * @since 1.0

         * @return

         */

         TGfxLinearGradientPaint();

    public:

        /**

         *

         *

         * @since 1.0

         * @param aRect : rectangle to iterator through.

         * @param aTransform : transform to apply.

         * @return

         */

        TUint32 GetColor() {return KGfxColorLinearGradient;}

		 void SetFill(VGPaint aFillPaint, TGfxRectangle2D& aBBox, TFloatFixPt aOpacity,void* GfxContext);

		TFloatFixPt iX1, iY1, iX2, iY2;

    };

/**

 *

 *

 *  @lib Gfx2D.lib

 *  @since 1.0

 */

class TGfxRadialGradientPaint : public TGfxGradientPaint

    {

    public:

        /**

         * Constructor.

         *

         * @since 1.0

         * @return

         */

         TGfxRadialGradientPaint();

        /**

         * Constructor.

         *

         * @since 1.0

         * @param aRect : rectangle to iterator through.

         * @param aTransform : transform to apply.

         * @return

         */

        TUint32 GetColor() {return KGfxColorRadialGradient;}

		 void SetFill(VGPaint aFillPaint, TGfxRectangle2D& aBBox, TFloatFixPt aOpacity,void* GfxContext);

		TFloatFixPt iCx, iCy, iR, iFx, iFy;

    };

#endif /* GFXGRADIENTPAINT_H */