Refactor axis data. Remove duplicate paint code

limereport/lraxisdata.h

@@ -0,0 +1,37 @@
+#ifndef AXISDATA_H
+#define AXISDATA_H
+
+#include <QtGlobal>
+
+namespace LimeReport {
+class AxisData
+{
+public:
+    AxisData();
+    AxisData(qreal minValue, qreal maxValue);
+
+    int segmentCount() const;
+
+    qreal rangeMin() const;
+    qreal rangeMax() const;
+
+    qreal minValue() const;
+    qreal maxValue() const;
+    qreal step() const;
+
+    qreal delta() const;
+private:
+    void calculateValuesAboveMax(qreal minValue, qreal maxValue, int segments);
+    qreal calculateNiceNum(qreal range, bool round);
+
+    qreal m_rangeMin;
+    qreal m_rangeMax;
+    qreal m_minValue;
+    qreal m_maxValue;
+    qreal m_step;
+    qreal m_delta;
+    int m_segmentCount;
+};
+};
+
+#endif // AXISDATA_H