KChart

KChartPolarCoordinatePlane.h
1 /*
2  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
3  *
4  * This file is part of the KD Chart library.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <https://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef KCHART_POLAR_COORDINATEPLANE_H
21 #define KCHART_POLAR_COORDINATEPLANE_H
22 
23 #include "KChartAbstractCoordinatePlane.h"
24 
25 namespace KChart {
26 
27  class Chart;
28  class PaintContext;
29 
33  class KCHART_EXPORT PolarCoordinatePlane : public AbstractCoordinatePlane
34  {
35  Q_OBJECT
36 
37  Q_DISABLE_COPY( PolarCoordinatePlane )
38  KCHART_DECLARE_PRIVATE_DERIVED_PARENT( PolarCoordinatePlane, Chart* )
39 
40  public:
43 
44  explicit PolarCoordinatePlane ( Chart* parent = nullptr );
46 
47  void addDiagram ( AbstractDiagram* diagram ) override;
48 
49  const QPointF translate ( const QPointF& diagramPoint ) const override;
50  const QPointF translatePolar ( const QPointF& diagramPoint ) const;
51 
61  void setStartPosition( qreal degrees );
65  qreal startPosition() const;
66 
67  qreal zoomFactorX() const override;
68  qreal zoomFactorY() const override;
69 
70  void setZoomFactors( qreal factorX, qreal factorY ) override;
71  void setZoomFactorX( qreal factor ) override;
72  void setZoomFactorY( qreal factor ) override;
73 
74  QPointF zoomCenter() const override;
75 
76  void setZoomCenter( const QPointF& center ) override;
77 
98  void setGridAttributes( bool circular, const GridAttributes & );
99 
110  void resetGridAttributes( bool circular );
111 
126  const GridAttributes gridAttributes( bool circular ) const;
127 
140  bool hasOwnGridAttributes( bool circular ) const;
141 
142  qreal angleUnit() const;
143  qreal radiusUnit() const;
144 
146  void paint( QPainter* ) override;
147 
148  protected:
149  DataDimensionsList getDataDimensionsList() const override;
150  void paintEvent ( QPaintEvent* );
151  void resizeEvent ( QResizeEvent* );
152 
153  void layoutDiagrams() override;
154  protected Q_SLOTS:
155  void slotLayoutChanged( AbstractDiagram* diagram );
156  void adjustZoomAndRepaint();
157 
158  private:
159  void setHasOwnGridAttributes( bool circular, bool on );
160  };
161 
162 }
163 
164 #endif
AbstractDiagram defines the interface for diagram classes.
Base class common for all coordinate planes, CartesianCoordinatePlane, PolarCoordinatePlane, TernaryCoordinatePlane.
A set of attributes controlling the appearance of grids.
A chart with one or more diagrams.
Definition: KChartChart.h:95
Global namespace.
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