KDChartPolarDiagram.h

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00001 /****************************************************************************
00002 ** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
00003 **
00004 ** This file is part of the KD Chart library.
00005 **
00006 ** Licensees holding valid commercial KD Chart licenses may use this file in
00007 ** accordance with the KD Chart Commercial License Agreement provided with
00008 ** the Software.
00009 **
00010 **
00011 ** This file may be distributed and/or modified under the terms of the
00012 ** GNU General Public License version 2 and version 3 as published by the
00013 ** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
00014 **
00015 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 **
00018 ** Contact info@kdab.com if any conditions of this licensing are not
00019 ** clear to you.
00020 **
00021 **********************************************************************/
00022 
00023 #ifndef KDCHARTPOLARDIAGRAM_H
00024 #define KDCHARTPOLARDIAGRAM_H
00025 
00026 
00027 #include "KDChartPosition.h"
00028 #include "KDChartAbstractPolarDiagram.h"
00029 
00030 
00031 class QPolygonF;
00032 
00033 
00034 namespace KDChart {
00035 
00039 class KDCHART_EXPORT PolarDiagram : public AbstractPolarDiagram
00040 {
00041     Q_OBJECT
00042 
00043     Q_DISABLE_COPY( PolarDiagram )
00044     KDCHART_DECLARE_DERIVED_DIAGRAM( PolarDiagram, PolarCoordinatePlane )
00045 
00046 public:
00047     explicit PolarDiagram(
00048         QWidget* parent = 0, PolarCoordinatePlane* plane = 0 );
00049     virtual ~PolarDiagram();
00050 
00051 protected:
00052     // Implement AbstractDiagram
00054     virtual void paint ( PaintContext* paintContext );
00055 
00056 public:
00058     virtual void resize ( const QSizeF& area );
00059 
00060     // Implement AbstractPolarDiagram
00062     virtual double valueTotals () const;
00064     virtual double numberOfValuesPerDataset() const;
00066     virtual double numberOfGridRings() const;
00067 
00068     virtual PolarDiagram * clone() const;
00069 
00071     void setZeroDegreePosition( int degrees );
00073     int zeroDegreePosition() const;
00074 
00075     void setRotateCircularLabels( bool rotateCircularLabels );
00076     bool rotateCircularLabels() const;
00077 
00081     void setCloseDatasets( bool closeDatasets );
00082     bool closeDatasets() const;
00083 
00084     void setShowDelimitersAtPosition( Position position,
00085                                       bool showDelimiters );
00086     void setShowLabelsAtPosition( Position position,
00087                                   bool showLabels );
00088 
00089     bool showDelimitersAtPosition( Position position ) const;
00090 
00091     bool showLabelsAtPosition( Position position ) const;
00092 
00093     virtual void paint ( PaintContext* paintContext,
00094                          bool calculateListAndReturnScale,
00095                          qreal& newZoomX, qreal& newZoomY );
00096 
00097 protected:
00099     virtual const QPair<QPointF, QPointF> calculateDataBoundaries() const;
00100     void paintEvent ( QPaintEvent* );
00101     void resizeEvent ( QResizeEvent* );
00102     virtual void paintPolarMarkers( PaintContext* ctx, const QPolygonF& polygon );
00103 
00104 }; // End of class PolarDiagram
00105 
00106 }
00107 
00108 
00109 #endif // KDCHARTPOLARDIAGRAM_H
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