Qwt User's Guide  6.1.3
qwt_plot_shapeitem.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef QWT_PLOT_SHAPE_ITEM_H
11 #define QWT_PLOT_SHAPE_ITEM_H
12 
13 #include "qwt_global.h"
14 #include "qwt_plot_item.h"
15 #include <qpainterpath.h>
16 
31 class QWT_EXPORT QwtPlotShapeItem: public QwtPlotItem
32 {
33 public:
41  {
51  ClipPolygons = 0x01,
52  };
53 
55  typedef QFlags<PaintAttribute> PaintAttributes;
56 
59  {
62 
64  LegendColor
65  };
66 
67  explicit QwtPlotShapeItem( const QString &title = QString::null );
68  explicit QwtPlotShapeItem( const QwtText &title );
69 
70  virtual ~QwtPlotShapeItem();
71 
72  void setPaintAttribute( PaintAttribute, bool on = true );
73  bool testPaintAttribute( PaintAttribute ) const;
74 
75  void setLegendMode( LegendMode );
76  LegendMode legendMode() const;
77 
78  void setRect( const QRectF & );
79  void setPolygon( const QPolygonF & );
80 
81  void setShape( const QPainterPath & );
82  QPainterPath shape() const;
83 
84  void setPen( const QColor &, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
85  void setPen( const QPen & );
86  QPen pen() const;
87 
88  void setBrush( const QBrush & );
89  QBrush brush() const;
90 
91  void setRenderTolerance( double );
92  double renderTolerance() const;
93 
94  virtual QRectF boundingRect() const;
95 
96  virtual void draw( QPainter *p,
97  const QwtScaleMap &xMap, const QwtScaleMap &yMap,
98  const QRectF &rect ) const;
99 
100  virtual QwtGraphic legendIcon( int index, const QSizeF & ) const;
101 
102  virtual int rtti() const;
103 
104 private:
105  void init();
106 
107  class PrivateData;
108  PrivateData *d_data;
109 };
110 
111 #endif
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:64
A class representing a text.
Definition: qwt_text.h:51
A scale map.
Definition: qwt_scale_map.h:30
virtual QwtGraphic legendIcon(int index, const QSizeF &) const
Definition: qwt_plot_item.cpp:371
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
virtual int rtti() const
Definition: qwt_plot_item.cpp:120
virtual QRectF boundingRect() const
Definition: qwt_plot_item.cpp:537
QFlags< PaintAttribute > PaintAttributes
Paint attributes.
Definition: qwt_plot_shapeitem.h:55
A plot item, which displays any graphical shape, that can be defined by a QPainterPath.
Definition: qwt_plot_shapeitem.h:31
LegendMode
Mode how to display the item on the legend.
Definition: qwt_plot_shapeitem.h:58
PaintAttribute
Definition: qwt_plot_shapeitem.h:40
A paint device for scalable graphics.
Definition: qwt_graphic.h:74
Display a scaled down version of the shape.
Definition: qwt_plot_shapeitem.h:61