1 files changed, 37 insertions, 0 deletions
diff --git a/src/charts/PieRound.h b/src/charts/PieRound.h
new file mode 100644
index 0000000..1963f26
--- /dev/null
+++ b/src/charts/PieRound.h
@@ -0,0 +1,37 @@
+#ifndef PIE_ROUND_H
+#define PIE_ROUND_H
+
+#include <QtWidgets>
+
+#include "DataPoint.h"
+
+class PieChartScene;
+
+class PieRound: public QGraphicsItem
+{
+public:
+    static const int Margin = 20;
+    static const int Radius = 80;
+    static const int LabelRadius = 50;
+
+public:
+    PieRound(const QPointF& center, const PieChartScene* scene);
+    QRectF boundingRect() const;
+    void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget* = 0) {}
+
+private:
+    void calculateSum();
+    void addSectors();
+    void addSector(int index, qreal startAngle, qreal sweep);
+    QPainterPath createSectorPath(qreal startAngle, qreal sweep);
+    void addSectorItem(const QPainterPath& path, QColor color);
+    void addSectorLabel(int index, qreal startAngle, qreal sweep);
+    QPointF getLabelPos(qreal startAngle, qreal sweep,
+            QGraphicsSimpleTextItem* labelItem);
+
+private:
+    int sum;
+    const PieChartScene* scene;
+};
+
+#endif