# KDChartPolarDiagram.h

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    00001 /* -*- Mode: C++ -*-
    00002    KDChart - a multi-platform charting engine
    00003    */
    00004
    00005 /****************************************************************************
    00006  ** Copyright (C) 2005-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
    00007  **
    00008  ** This file is part of the KD Chart library.
    00009  **
    00010  ** This file may be distributed and/or modified under the terms of the
    00011  ** GNU General Public License version 2 as published by the Free Software
    00012  ** Foundation and appearing in the file LICENSE.GPL included in the
    00013  ** packaging of this file.
    00014  **
    00015  ** Licensees holding valid commercial KD Chart licenses may use this file in
    00016  ** accordance with the KD Chart Commercial License Agreement provided with
    00017  ** the Software.
    00018  **
    00019  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    00020  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    00021  **
    00022  ** See http://www.kdab.net/kdchart for
    00023  **   information about KD Chart Commercial License Agreements.
    00024  **
    00025  ** Contact info@kdab.net if any conditions of this
    00026  ** licensing are not clear to you.
    00027  **
    00028  **********************************************************************/
    00029
    00030 #ifndef KDCHARTPOLARDIAGRAM_H
    00031 #define KDCHARTPOLARDIAGRAM_H
    00032
    00033
    00034 #include "KDChartPosition.h"
    00035 #include "KDChartAbstractPolarDiagram.h"
    00036
    00037
    00038 class QPolygonF;
    00039
    00040
    00041 namespace KDChart {
    00042
    00043 class KDCHART_EXPORT PolarDiagram : public AbstractPolarDiagram
    00044 {
    00045     Q_OBJECT
    00046
    00047     Q_DISABLE_COPY( PolarDiagram )
    00048     KDCHART_DECLARE_DERIVED_DIAGRAM( PolarDiagram, PolarCoordinatePlane )
    00049
    00050 public:
    00051     explicit PolarDiagram(
    00052         QWidget* parent = 0, PolarCoordinatePlane* plane = 0 );
    00053     virtual ~PolarDiagram();
    00054
    00055 protected:
    00056     // Implement AbstractDiagram
    00058     virtual void paint ( PaintContext* paintContext );
    00059
    00060 public:
    00062     virtual void resize ( const QSizeF& area );
    00063
    00064     // Implement AbstractPolarDiagram
    00066     virtual double valueTotals () const;
    00068     virtual double numberOfValuesPerDataset() const;
    00070     virtual double numberOfGridRings() const;
    00071
    00072     virtual PolarDiagram * clone() const;
    00073
    00075     void setZeroDegreePosition( int degrees );
    00077     int zeroDegreePosition() const;
    00078
    00079     void setRotateCircularLabels( bool rotateCircularLabels );
    00080     bool rotateCircularLabels() const;
    00081
    00085     void setCloseDatasets( bool closeDatasets );
    00086     bool closeDatasets() const;
    00087
    00088     void setShowDelimitersAtPosition( Position position,
    00089                                       bool showDelimiters );
    00090     void setShowLabelsAtPosition( Position position,
    00091                                   bool showLabels );
    00092
    00093     bool showDelimitersAtPosition( Position position ) const;
    00094
    00095     bool showLabelsAtPosition( Position position ) const;
    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