KD Chart 2
[rev.2.5]
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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 00064 void setStartPosition( qreal degrees ); 00068 qreal startPosition() const; 00069 00070 virtual qreal zoomFactorX() const; 00071 virtual qreal zoomFactorY() const; 00072 00073 virtual void setZoomFactors( qreal factorX, qreal factorY ); 00074 virtual void setZoomFactorX( qreal factor ); 00075 virtual void setZoomFactorY( qreal factor ); 00076 00077 virtual QPointF zoomCenter() const; 00078 00079 virtual void setZoomCenter( const QPointF& center ); 00080 00101 void setGridAttributes( bool circular, const GridAttributes & ); 00102 00113 void resetGridAttributes( bool circular ); 00114 00129 const GridAttributes gridAttributes( bool circular ) const; 00130 00143 bool hasOwnGridAttributes( bool circular ) const; 00144 00145 qreal angleUnit() const; 00146 qreal radiusUnit() const; 00147 00149 virtual void paint( QPainter* ); 00150 00151 protected: 00152 virtual DataDimensionsList getDataDimensionsList() const; 00153 void paintEvent ( QPaintEvent* ); 00154 void resizeEvent ( QResizeEvent* ); 00155 00156 void layoutDiagrams(); 00157 protected Q_SLOTS: 00158 void slotLayoutChanged( AbstractDiagram* diagram ); 00159 void adjustZoomAndRepaint(); 00160 00161 private: 00162 void setHasOwnGridAttributes( bool circular, bool on ); 00163 }; 00164 00165 } 00166 00167 #endif