KDChartAbstractAreaBase.h

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/****************************************************************************
** Copyright (C) 2001-2012 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Chart library.
**
** Licensees holding valid commercial KD Chart licenses may use this file in
** accordance with the KD Chart Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#ifndef KDCHARTABSTRACTAREABASE_H
#define KDCHARTABSTRACTAREABASE_H

#include <QPointF>
#include <QSizeF>
#include <QRectF>

#include "KDChartGlobal.h"
#include "KDChartLayoutItems.h"
#include "KDChartRelativePosition.h"
#include "KDChartAbstractAreaBase.h"


QT_BEGIN_NAMESPACE
class QPainter;
class QString;
QT_END_NAMESPACE

namespace KDChart {
    class TextAttributes;
    class BackgroundAttributes;
    class FrameAttributes;
    class PaintContext;


class KDCHART_EXPORT AbstractAreaBase
{
    Q_DISABLE_COPY( AbstractAreaBase )
    KDCHART_DECLARE_PRIVATE_BASE_POLYMORPHIC( AbstractAreaBase )

protected:
    AbstractAreaBase();
    virtual ~AbstractAreaBase() ;

public:
//    virtual AbstractAreaBase * clone() const = 0;

    bool compare( const AbstractAreaBase* other ) const;

    void alignToReferencePoint( const RelativePosition& position );

    void setFrameAttributes( const FrameAttributes &a );
    FrameAttributes frameAttributes() const;

    void setBackgroundAttributes( const BackgroundAttributes &a );
    BackgroundAttributes backgroundAttributes() const;

    virtual void paintBackground( QPainter& painter, const QRect& rectangle );
    virtual void paintFrame( QPainter& painter, const QRect& rectangle );

    static void paintBackgroundAttributes( QPainter& painter, const QRect& rectangle,
        const KDChart::BackgroundAttributes& attributes );
    static void paintFrameAttributes( QPainter& painter, const QRect& rectangle,
        const KDChart::FrameAttributes& attributes );

    void getFrameLeadings(int& left, int& top, int& right, int& bottom ) const;


protected:
    QRect innerRect() const;

    virtual QRect areaGeometry() const = 0;

    virtual void positionHasChanged();

}; // End of class AbstractAreaBase

}
#endif // KDCHARTABSTRACTAREABASE_H