KD Chart 2 [rev.2.4]
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00001 /**************************************************************************** 00002 ** Copyright (C) 2001-2012 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 KDCHART_POLAR_COORDINATEPLANE_H 00024 #define KDCHART_POLAR_COORDINATEPLANE_H 00025 00026 #include "KDChartAbstractCoordinatePlane.h" 00027 00028 namespace KDChart { 00029 00030 class Chart; 00031 class PaintContext; 00032 00036 class KDCHART_EXPORT PolarCoordinatePlane : public AbstractCoordinatePlane 00037 { 00038 Q_OBJECT 00039 00040 Q_DISABLE_COPY( PolarCoordinatePlane ) 00041 KDCHART_DECLARE_PRIVATE_DERIVED_PARENT( PolarCoordinatePlane, Chart* ) 00042 00043 public: 00044 struct CoordinateTransformation; 00045 typedef QList<CoordinateTransformation> CoordinateTransformationList; 00046 00047 explicit PolarCoordinatePlane ( Chart* parent = 0 ); 00048 ~PolarCoordinatePlane(); 00049 00050 void addDiagram ( AbstractDiagram* diagram ); 00051 00052 const QPointF translate ( const QPointF& diagramPoint ) const; 00053 const QPointF translatePolar ( const QPointF& diagramPoint ) const; 00054 00061 void setStartPosition( qreal degrees ); 00065 qreal startPosition() const; 00066 00067 virtual double zoomFactorX() const; 00068 virtual double zoomFactorY() const; 00069 00070 virtual void setZoomFactors( double factorX, double factorY ); 00071 virtual void setZoomFactorX( double factor ); 00072 virtual void setZoomFactorY( double factor ); 00073 00074 virtual QPointF zoomCenter() const; 00075 00076 virtual void setZoomCenter( const QPointF& center ); 00077 00098 void setGridAttributes( bool circular, const GridAttributes & ); 00099 00110 void resetGridAttributes( bool circular ); 00111 00126 const GridAttributes gridAttributes( bool circular ) const; 00127 00140 bool hasOwnGridAttributes( bool circular ) const; 00141 00142 qreal angleUnit() const; 00143 qreal radiusUnit() const; 00144 00146 virtual void paint( QPainter* ); 00147 00148 protected: 00149 virtual DataDimensionsList getDataDimensionsList() const; 00150 void paintEvent ( QPaintEvent* ); 00151 void resizeEvent ( QResizeEvent* ); 00152 00153 void layoutDiagrams(); 00154 protected Q_SLOTS: 00155 void slotLayoutChanged( AbstractDiagram* diagram ); 00156 void adjustZoomAndRepaint(); 00157 00158 private: 00159 void setHasOwnGridAttributes( 00160 bool circular, bool on ); 00161 }; 00162 00163 } 00164 00165 #endif