/*

* Copyright (c) 2005 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:

*

*/

#ifndef FBSLCDGRAPHICS_H

#define FBSLCDGRAPHICS_H

#include <e32std.h>

#include <gdi.h>

#include <lcdgdrv.h>

/**

 * Structure containing sufficient information to construct

 * a transform for the DrawRegion primitive.

 */

struct TDrawRegion

{

    TRect   iSrcRect;

    TPoint  iDstPoint;

    TInt    iAnchor;

    TInt    iTransform;

};

/**

 * Utility function to compute the destination rectangle given a source rectangle, an identifier for the

 * anchor point to translate to the destination point and a transform to apply to the source rectangle.

 */

TRect CalcDstRect(const TPoint& aDstPoint, const TSize& aSrcSize, TTransformType aSrcTransform, TAnchor aSrcAnchor);

//

// FBSERV bitmap support, may be withdrawn later.

//

#define _LCDGDRV_FBSBITMAP_SUPPORT_

#ifdef _LCDGDRV_FBSBITMAP_SUPPORT_

class CFbsBitmap;

NONSHARABLE_CLASS(TFbsLcdGraphics)

{

public:

    /**

     * Copy region of image represented by <aSrcColorBitmap, aSrcAlphaBitmap> pair

     * onto destination image represented by <aDstColorBitmap, aDstAlphaBitmap> pair.

     * The region to be drawn, the destination position and the transformation to

     * apply are supplied by aDrawRegion.

     */

    static TInt CopyRegion

    (

        CLcdGraphicsDriver& aDriver,

        CFbsBitmap*         aDstColorBitmap,

        CFbsBitmap*         aDstAlphaBitmap,

        TTransparency       aDstTransparency,

        CFbsBitmap*         aSrcColorBitmap,

        CFbsBitmap*         aSrcAlphaBitmap,

        TTransparency       aSrcTransparency,

        const TDrawRegion&  aRegion,

        const TRect&        aClipRect

    );

    /**

     * Copies ARGB8888 pixels into image represented by <aDstColorBitmap, aDstAlphaBitmap>

     */

    static TInt SetPixels

    (

        CLcdGraphicsDriver& aDriver,

        CFbsBitmap*     aDstColorBitmap,

        CFbsBitmap*     aDstAlphaBitmap,

        TTransparency   aDstTransparency,

        const TRect&    aDstRect,

        const TUint32*  aSrcARGB32Pixels,

        TInt            aSrcLength,

        TInt            aSrcOffset,

        TInt            aSrcLinePitch,

        const TSize&    aSrcSize,

        TBool           aAlpha

    );

    /**

     * Copies pixels from image represented by <aDstColorBitmap, aDstAlphaBitmap>

     * into an array in ARGB8888 format.

     */

    static TInt GetPixels

    (

        CLcdGraphicsDriver& aDriver,

        CFbsBitmap*     aSrcColorBitmap,

        CFbsBitmap*     aSrcAlphaBitmap,

        TTransparency   aSrcTransparency,

        const TRect&    aSrcRect,

        TUint32*        aARGB32Pixels,

        TInt            aLength,

        TInt            aOffset,

        TInt            aLinePitch,

        const TSize&    aSize

    );

    /**

    Check for pixel level collision in area of overlap in two images.

    Locks bitmap.

    @param aMask1           image1 mask

    @param aTransparency1   image1 transparency type

    @param aSize1           image1 size

    @param aRect1           image1 collison rect in image1 co-ordinates

    @param aTransform1      image1 transform

    @param aPoint1          position of image1 collison rect in painter's co-ordinates.

    @param aMask2           image2 mask

    @param aTransparency1   image2 transparency type

    @param aSize2           image2 size

    @param aRect2           image2 collison rect in image2 co-ordinates

    @param aTransform2      image2 transform

    @param aPoint2          position of image2 collison rect in painter's co-ordinates.

    */

    static TBool DetectCollision

    (

        CLcdGraphicsDriver& aDriver,

        CFbsBitmap*         aMask1,

        TTransparency       aTransparency1,

        const TSize&        aSize1,

        const TRect&        aRect1,

        TInt                aTransform1,

        const TPoint&       aPoint1,

        CFbsBitmap*         aMask2,

        TTransparency       aTransparency2,

        const TSize&        aSize2,

        const TRect&        aRect2,

        TInt                aTransform2,

        const TPoint&       aPoint2

    );

};

#endif

#endif // FBSLCDGRAPHICS_H