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QwtHistogramm.hh
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49 
50 #ifndef HISTOGRAM_H
51 #define HISTOGRAM_H
52 
53 #include <qglobal.h>
54 #include <QColor>
55 #include <ACG/Config/ACGDefines.hh>
56 
57 #include "qwt_plot_item.h"
58 
59 class QwtIntervalData;
60 class QString;
61 
69 class ACGDLLEXPORT Histogram: public QwtPlotItem
70 {
71 public:
73  explicit Histogram(const QString &title = QString::null);
75  explicit Histogram(const QwtText &title);
77  virtual ~Histogram();
78 
83  void setData( QwtIntervalSeriesData* data);
84  const QwtIntervalSeriesData* data() const;
85 
90  void setColors( std::vector< QColor >& _colors);
91 
93  virtual QRectF boundingRect() const;
94 
95  virtual int rtti() const;
96 
98  virtual void draw(QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &) const;
99 
100  void setBaseline(double reference);
101  double baseline() const;
102 
103  enum HistogramAttribute
104  {
105  Auto = 0,
106  Xfy = 1
107  };
108 
109  void setHistogramAttribute(HistogramAttribute, bool on = true);
110  bool testHistogramAttribute(HistogramAttribute) const;
111 
112 protected:
113 
115  virtual void drawBar(QPainter *, Qt::Orientation o, const QRect &) const;
116 
117 private:
118  QColor color(uint i) const;
119 
120  void init();
121 
122  class PrivateData;
123  PrivateData *d_data;
124 };
125 
126 #endif
Histogram plot.