1 files changed, 37 insertions, 0 deletions
diff --git a/src/charts/ChartDataLine.h b/src/charts/ChartDataLine.h
new file mode 100644
index 0000000..c90ccb4
--- /dev/null
+++ b/src/charts/ChartDataLine.h
@@ -0,0 +1,37 @@
+#ifndef CHART_DATA_SET_H
+#define CHART_DATA_SET_H
+
+#include <QtCore>
+#include <QtWidgets>
+
+#include "DataPoint.h"
+
+class ChartScene;
+
+class ChartDataLine
+{
+public:
+    ChartDataLine(ChartScene* scene);
+    void paint();
+
+private:
+    QPointF getDataSetOrigin() const;
+    QPainterPath createLinePath();
+    QPointF getDataPos(int index, int yValue);
+    void addLinePath(const QPainterPath& path);
+    void addLineSegment(QPainterPath& path, int i);
+    void addAreaPath(const QPainterPath& linePath);
+    QString createToolTipText(const DataPoint& dataPoint) const;
+
+private:
+    static const int MarkerRadius = 2;
+    static const QColor MarkerColor;
+    static const QColor FillColor;
+
+private:
+    ChartScene* scene;
+    QPointF origin;
+    qreal xSpacing;
+};
+
+#endif