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 KDCHARTBARDIAGRAM_H 00024 #define KDCHARTBARDIAGRAM_H 00025 00026 #include "KDChartAbstractCartesianDiagram.h" 00027 #include "KDChartBarAttributes.h" 00028 00029 QT_BEGIN_NAMESPACE 00030 class QPainter; 00031 QT_END_NAMESPACE 00032 00033 namespace KDChart { 00034 00035 class ThreeDBarAttributes; 00036 00042 class KDCHART_EXPORT BarDiagram : public AbstractCartesianDiagram 00043 { 00044 Q_OBJECT 00045 00046 Q_DISABLE_COPY( BarDiagram ) 00047 00048 KDCHART_DECLARE_DERIVED_DIAGRAM( BarDiagram, CartesianCoordinatePlane ) 00049 00050 public: 00051 class BarDiagramType; 00052 friend class BarDiagramType; 00053 00054 explicit BarDiagram( 00055 QWidget* parent = 0, CartesianCoordinatePlane* plane = 0 ); 00056 virtual ~BarDiagram(); 00057 00058 virtual BarDiagram * clone() const; 00062 bool compare( const BarDiagram* other ) const; 00063 00064 enum BarType { Normal, 00065 Stacked, 00066 Percent, 00067 Rows 00068 }; 00069 00070 void setType( const BarType type ); 00071 BarType type() const; 00072 00073 void setOrientation( Qt::Orientation orientation ); 00074 Qt::Orientation orientation() const; 00075 00076 void setBarAttributes( const BarAttributes & a ); 00077 void setBarAttributes( int column, const BarAttributes & a ); 00078 void setBarAttributes( const QModelIndex & index, const BarAttributes & a ); 00079 00080 BarAttributes barAttributes() const; 00081 BarAttributes barAttributes( int column ) const; 00082 BarAttributes barAttributes( const QModelIndex & index ) const; 00083 00084 void setThreeDBarAttributes( const ThreeDBarAttributes & a ); 00085 void setThreeDBarAttributes( int column, const ThreeDBarAttributes & a ); 00086 void setThreeDBarAttributes( const QModelIndex & index, 00087 const ThreeDBarAttributes & a ); 00088 ThreeDBarAttributes threeDBarAttributes() const; 00089 ThreeDBarAttributes threeDBarAttributes( int column ) const; 00090 ThreeDBarAttributes threeDBarAttributes( const QModelIndex & index ) const; 00091 00092 #if QT_VERSION < 0x040400 || defined(Q_COMPILER_MANGLES_RETURN_TYPE) 00093 // implement AbstractCartesianDiagram 00095 const int numberOfAbscissaSegments () const; 00097 const int numberOfOrdinateSegments () const; 00098 #else 00099 // implement AbstractCartesianDiagram 00101 int numberOfAbscissaSegments () const; 00103 int numberOfOrdinateSegments () const; 00104 #endif 00105 00106 protected: 00107 void paint ( PaintContext* paintContext ); 00108 00109 public: 00110 void resize ( const QSizeF& area ); 00111 00112 #if 0 00113 // FIXME merge with 3DAttributes? 00114 void setThreeDimensionalBars( bool threeDBars ); 00115 bool threeDimensionalBars() const; 00116 00117 void setThreeDimensionalBarsShadowColors( bool shadow ); 00118 bool threeDimensionalBarsShadowColors() const; 00119 00120 void setThreeDimensionalBarAngle( uint angle ); 00121 uint threeDimensionalBarAngle() const; 00122 00123 void setThreeDimensionalBarDepth( qreal depth ); 00124 qreal threeDimensionalBarDepth() const; 00125 00126 #endif 00127 00128 00129 protected: 00130 virtual qreal threeDItemDepth( const QModelIndex & index ) const; 00131 virtual qreal threeDItemDepth( int column ) const; 00133 const QPair<QPointF, QPointF> calculateDataBoundaries() const; 00134 void paintEvent ( QPaintEvent* ); 00135 void resizeEvent ( QResizeEvent* ); 00136 private: 00137 00138 /* 00139 void paintBars( PaintContext* ctx, const QModelIndex& index, const QRectF& bar, qreal& maxDepth ); 00140 */ 00141 void calculateValueAndGapWidths( int rowCount, int colCount, 00142 qreal groupWidth, 00143 qreal& barWidth, 00144 qreal& spaceBetweenBars, 00145 qreal& spaceBetweenGroups ); 00146 }; // End of class BarDiagram 00147 00148 } 00149 00150 #endif // KDCHARTBARDIAGRAM_H