Add grid chart

limereport/items/charts/lrgridlineschart.h

@@ -0,0 +1,17 @@
+#ifndef GRIDLINESCHART_H
+#define GRIDLINESCHART_H
+
+#include "lrlineschart.h"
+
+namespace LimeReport {
+class GridLinesChart : public LinesChart{
+public:
+    GridLinesChart(ChartItem* chartItem):LinesChart(chartItem){}
+    void paintChart(QPainter *painter, QRectF chartRect);
+
+private:
+    void paintSerialLines(QPainter *painter, QRectF barsRect);
+};
+}
+
+#endif // GRIDLINESCHART_H