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kplotobject.h

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00001 /*  -*- C++ -*-
00002     This file is part of the KDE libraries
00003     Copyright (C) 2003 Jason Harris <kstars@30doradus.org>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public License
00016     along with this library; see the file COPYING.LIB.  If not, write to
00017     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018     Boston, MA 02110-1301, USA.
00019 */
00020 
00021 #ifndef KPLOTOBJECT_H
00022 #define KPLOTOBJECT_H
00023 
00024 #include <kdeui_export.h>
00025 
00026 #include <QtCore/QString>
00027 #include <QtGui/QColor>
00028 
00029 class QBrush;
00030 class QPainter;
00031 class QPen;
00032 class QPointF;
00033 class KPlotWidget;
00034 class KPlotPoint;
00035 
00053 class KDEUI_EXPORT KPlotObject{
00054 public:
00064     enum PlotType
00065     {
00066         UnknownType = 0,
00067         Points = 1,       
00068         Lines = 2,        
00069         Bars = 4          
00070     };
00071     Q_DECLARE_FLAGS( PlotTypes, PlotType )
00072 
00073     
00076     enum PointStyle
00077     {
00078         NoPoints = 0,
00079         Circle = 1,
00080         Letter = 2,
00081         Triangle = 3,
00082         Square = 4,
00083         Pentagon = 5,
00084         Hexagon = 6,
00085         Asterisk = 7,
00086         Star = 8,
00087         UnknwonPoint
00088     };
00089 
00099     explicit KPlotObject( const QColor &color = Qt::white, PlotType otype = Points, double size = 2, PointStyle ps = Circle );
00100 
00104     ~KPlotObject();
00105 
00109     PlotTypes plotTypes() const;
00110 
00115     void setShowPoints( bool b );
00116 
00121     void setShowLines( bool b );
00122 
00127     void setShowBars( bool b );
00128 
00132     double size() const;
00133 
00138     void setSize( double s );
00139 
00143     PointStyle pointStyle() const;
00144 
00149     void setPointStyle( PointStyle p );
00150 
00156     const QPen& pen() const;
00157 
00162     void setPen( const QPen &p );
00163     
00167     const QPen& linePen() const;
00168 
00173     void setLinePen( const QPen &p );
00174     
00178     const QPen& barPen() const;
00179 
00184     void setBarPen( const QPen &p );
00185     
00189     const QPen& labelPen() const;
00190 
00195     void setLabelPen( const QPen &p );
00196     
00200     const QBrush brush() const;
00201 
00206     void setBrush( const QBrush &b );
00207 
00211     const QBrush barBrush() const;
00212 
00217     void setBarBrush( const QBrush &b );
00218 
00222     QList< KPlotPoint* > points() const;
00223 
00232     void addPoint( const QPointF &p, const QString &label = QString(), double barWidth = 0.0 );
00233 
00239     void addPoint( KPlotPoint *p );
00240 
00251     void addPoint( double x, double y, const QString &label = QString(), double barWidth = 0.0 );
00252 
00257     void removePoint( int index );
00258 
00262     void clearPoints();
00263 
00270     void draw( QPainter *p, KPlotWidget *pw );
00271 
00272 private:
00273     class Private;
00274     Private * const d;
00275 
00276     Q_DISABLE_COPY( KPlotObject )
00277 };
00278 Q_DECLARE_OPERATORS_FOR_FLAGS( KPlotObject::PlotTypes )
00279 
00280 #endif

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