src/GUI/axisitem.h

   1 #ifndef AXISITEM_H
   2 #define AXISITEM_H
   3
   4 #include <QGraphicsItem>
   5 #include <QVector>
   6 #include <QLocale>
   7 #include <QFont>
   8 #include "common/range.h"
   9
  10 class AxisItem : public QGraphicsItem
  11 {
  12 public:
  13         enum Type {X, Y};
  14
  15         AxisItem(Type type, QGraphicsItem *parent = 0);
  16
  17         /* Note: The items position is at the 0 point of the axis line, not at the
  18            top-left point of the bounding rect as usual */
  19         QRectF boundingRect() const {return _boundingRect;}
  20         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
  21           QWidget *widget);
  22
  23         void setRange(const RangeF &range);
  24         void setSize(qreal size);
  25         void setZoom(qreal zoom) {_zoom = zoom;}
  26
  27         QSizeF margin() const;
  28         QList<qreal> ticks() const;
  29
  30 private:
  31         struct Tick {
  32                 double value;
  33                 QRect boundingBox;
  34         };
  35
  36         void updateBoundingRect();
  37
  38         Type _type;
  39         RangeF _range;
  40         qreal _size;
  41         QVector<Tick> _ticks;
  42         QRectF _boundingRect;
  43         QFont _font;
  44         QLocale _locale;
  45         qreal _zoom;
  46 };
  47
  48 #endif // AXISITEM_H