MarbleGraphicsItem.h

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2009      Bastian Holst <bastianholst@gmx.de>
//

#ifndef MARBLE_MARBLEGRAPHICSITEM_H
#define MARBLE_MARBLEGRAPHICSITEM_H

#include "marble_export.h"

#include <QPointF>
#include <QList>
#include <QSizeF>
#include <QRectF>
#include <QString>

class QEvent;
class QObject;
class QPainter;

namespace Marble
{

class AbstractMarbleGraphicsLayout;
class ViewportParams;

class MarbleGraphicsItemPrivate;

class MARBLE_EXPORT MarbleGraphicsItem
{
    friend class MarbleGraphicsItemPrivate;

 public:
    enum CacheMode {
        NoCache,
        ItemCoordinateCache,
        DeviceCoordinateCache
    };

    virtual ~MarbleGraphicsItem();

    bool paintEvent( QPainter *painter, const ViewportParams *viewport );

    bool contains( const QPointF& point ) const;

    AbstractMarbleGraphicsLayout *layout() const;

    void setLayout( AbstractMarbleGraphicsLayout *layout );

    CacheMode cacheMode() const;

    void setCacheMode( CacheMode mode );

    bool visible() const;

    void setVisible( bool visible );

    void hide();

    void show();

    QSizeF size() const;

    void setSize( const QSizeF& size );

    virtual QSizeF contentSize() const;

    virtual void setContentSize( const QSizeF& size );

    virtual QRectF contentRect() const;

    virtual void setProjection(const ViewportParams *viewport );

 protected:
    explicit MarbleGraphicsItem( MarbleGraphicsItemPrivate *d_ptr );

    virtual void paint( QPainter *painter );

    virtual bool eventFilter( QObject *object, QEvent *e );

    void update();

    MarbleGraphicsItemPrivate * const d;

 private:
    MarbleGraphicsItemPrivate* p();
    const MarbleGraphicsItemPrivate* p() const;
};

} // Namespace Marble

#endif