/*

* Copyright (c) 2009 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 HGVGQUADRENDERER_H

#define HGVGQUADRENDERER_H

#include "hgtransformedquadrenderer.h"

#include <QList>

#include <VG/openvg.h>

#include <QImage>

#include <QTransform>

class QPoint;

class QPainter;

class QRectF;

class QMatrix4x4;

class HgVgQuad;

class HgVgImage;

class QSize;

class HgTransformedQuad;

/**

 * OpenVG implementation of the HgQuadRenderer.

 */

class HgVgQuadRenderer: public HgTransformedQuadRenderer

{

public:

    HgVgQuadRenderer(int maxQuads);

    virtual ~HgVgQuadRenderer();    

    // From HgQuadRenderer

    virtual void drawQuads(QPainter* painter, const QRectF& rect, 

        const QMatrix4x4& viewMatrix, const QMatrix4x4& projectionMatrix,

        Qt::Orientation orientation, 

        const QTransform& sceneTransform);    

    virtual HgImage* createNativeImage();

    virtual void setDefaultImage(QImage defaultImage);

    // new functions

    HgVgImage* defaultImage();

protected:

    // From HgTransformedQuadRenderer

    virtual HgTransformedQuad* createNativeQuad();

private:

    QTransform qtToVgTransform(QPainter* painter, const QTransform& sceneTransform, 

        const QRectF& rect, Qt::Orientation orientation) const;

private:    

    HgVgImage* mDefaultVgImage;    

};

#endif