piechart.h

   1 #ifndef PIECHART_H_
   2 #define PIECHART_H_
   3
   4 #include "task.h"
   5
   6 class TaskSummaryPieChart : public QGraphicsItem
   7 {
   8 public:
   9     QRectF boundingRect() const { return QRectF(-0.61,-0.6,1.2,1.2);}
  10     void setHits(const QMap<double, Task*>& hits)  { m_hits = hits; }
  11     virtual void paint ( QPainter * painter, const QStyleOptionGraphicsItem * /* option */, QWidget * /* widget */ ) {
  12         painter->save();
  13         QMap<double,Task*>::const_iterator itr = m_hits.begin(), end=m_hits.end();
  14         /*
  15         while(itr != end) {
  16             double startAngle = (start - m_min) / (m_max - m_min) * 16 * 360;
  17             double spanAngle = itr.duration / (m_max - m_min) * 16 * 360;
  18             QPainterPath p;
  19             p.moveTo(0,0);
  20             p.arcTo(QRectF(0,0,1,1), spanAngle + startAngle, spanAngle);
  21             painter->setBrush(itr.value().second);
  22             painter->setPen(Qt::NoPen);
  23             painter->drawPath(p);
  24             itr++;
  25         }
  26         */
  27         painter->restore();
  28     }
  29 protected:
  30     QMap<double, Task*> m_hits;
  31 };
  32
  33 #endif