kplotobject.h

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/*  -*- C++ -*-
    This file is part of the KDE libraries
    Copyright (C) 2003 Jason Harris <kstars@30doradus.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KPLOTOBJECT_H
#define KPLOTOBJECT_H

#include <kdeui_export.h>

#include <QtCore/QString>
#include <QtGui/QColor>

class QBrush;
class QPainter;
class QPen;
class QPointF;
class KPlotWidget;
class KPlotPoint;

class KDEUI_EXPORT KPlotObject{
public:
    enum PlotType
    {
        UnknownType = 0,
        Points = 1,       
        Lines = 2,        
        Bars = 4          
    };
    Q_DECLARE_FLAGS( PlotTypes, PlotType )

    
    enum PointStyle
    {
        NoPoints = 0,
        Circle = 1,
        Letter = 2,
        Triangle = 3,
        Square = 4,
        Pentagon = 5,
        Hexagon = 6,
        Asterisk = 7,
        Star = 8,
        UnknwonPoint
    };

    explicit KPlotObject( const QColor &color = Qt::white, PlotType otype = Points, double size = 2, PointStyle ps = Circle );

    ~KPlotObject();

    PlotTypes plotTypes() const;

    void setShowPoints( bool b );

    void setShowLines( bool b );

    void setShowBars( bool b );

    double size() const;

    void setSize( double s );

    PointStyle pointStyle() const;

    void setPointStyle( PointStyle p );

    const QPen& pen() const;

    void setPen( const QPen &p );
    
    const QPen& linePen() const;

    void setLinePen( const QPen &p );
    
    const QPen& barPen() const;

    void setBarPen( const QPen &p );
    
    const QPen& labelPen() const;

    void setLabelPen( const QPen &p );
    
    const QBrush brush() const;

    void setBrush( const QBrush &b );

    const QBrush barBrush() const;

    void setBarBrush( const QBrush &b );

    QList< KPlotPoint* > points() const;

    void addPoint( const QPointF &p, const QString &label = QString(), double barWidth = 0.0 );

    void addPoint( KPlotPoint *p );

    void addPoint( double x, double y, const QString &label = QString(), double barWidth = 0.0 );

    void removePoint( int index );

    void clearPoints();

    void draw( QPainter *p, KPlotWidget *pw );

private:
    class Private;
    Private * const d;

    Q_DISABLE_COPY( KPlotObject )
};
Q_DECLARE_OPERATORS_FOR_FLAGS( KPlotObject::PlotTypes )

#endif