/*

* Copyright (c) 2006-2007 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:  Native side interface for DirectGraphics java class.

*

*/

#ifndef CMIDDIRECTGRAPHICS_H

#define CMIDDIRECTGRAPHICS_H

// INCLUDES

#include <e32base.h>

#include "TMIDTriangleFiller.h"

#include "TMIDInternalARGB.h"

// CONSTANTS

const TInt KDottedLine = 1;

const TInt KDottedLineStep = 4;

// FORWARD DECLARATIONS

class CPolygonFiller;

class CMIDConvertFactory;

class CMIDNativeConverter;

class TMIDBitmapParameters;

#ifdef RD_JAVA_NGA_ENABLED

class MMIDCanvas;

#endif

//  CLASS DEFINITION

/**

 * This class is native side interface for DirectGraphics java class.

 *

 */

NONSHARABLE_CLASS(CMIDDirectGraphics): public CBase

{

public: // polygon drawing parameter

    class TPolygonParameters

    {

    public:

        TInt* aXPoints;

        TInt aXPointsLength;

        TInt aXOffset;

        TInt aTransX;

        TInt* aYPoints;

        TInt aYPointsLength;

        TInt aYOffset;

        TInt aTransY;

        TInt aNumberOfPoints;

        TInt aARGBColor;

        TBool aFill;

    };

public: // Construction

    static CMIDDirectGraphics* NewL(CMIDGraphics* aGraphics,

                                    MMIDImage* aImage);

public: // Destruction

    ~CMIDDirectGraphics();

public: // New methods

    // Sets clip rect. This method is normally called from CMIDGraphics

    void SetClippingRect(TRect aRect);

    // Sets specified color to image. Includes transparency

    void SetColorL(TUint32 aColor, TInt aImageHandle);

    // Drawing and getting bitmaps

    void DrawBitmapL(TMIDBitmapParameters* aParams);

    void GetBitmapL(TMIDBitmapParameters* aParams);

    // Polygon drawing

    void DrawPolygonL(TPolygonParameters* aParams);

    // Triangle drawing

    void DrawTriangle(const TInt aX1, const TInt aY1, const TInt aX2, const TInt aY2,

                      const TInt aX3, const TInt aY3,

                      const TUint32 aColor);

    void FillTriangle(const TInt aX1, const TInt aY1, const TInt aX2, const TInt aY2,

                      const TInt aX3, const TInt aY3,

                      const TUint32 aColor);

    // Native pixel format

    inline TInt GetNativePixelFormat()

    {

        return iNativePixelFormat;

    }

protected:

    // protected construction

    CMIDDirectGraphics();

    void ConstructL(CMIDGraphics* aGraphics, MMIDImage* aImage);

private:

    void DrawLine(const TPoint& aPointA, const TPoint& aPointB,

                  const TMIDInternalARGB& aColor);

    TInt CalculateScanLength(const TInt aWidth,

                             const TDisplayMode aDisplayMode);

private: // data

    // screen size

    TSize iScreenSize;

    // clipping rect

    TRect iClipRect;

    // converter to bitmap

    CMIDNativeConverter* iNativeConverter;

    CPolygonFiller* iPolygonFiller;

    TBool iDottedLine;

    // not owned

    CMIDGraphics* iGraphics;

    TInt iNativePixelFormat;

    CMIDConvertFactory* iConverterFactory;

#ifdef RD_JAVA_NGA_ENABLED

    MMIDCanvas* iCanvasTarget;

#endif

};

#endif // CMIDDIRECTGRAPHICS_H