diff --git a/src/barchart.h b/src/barchart.h
new file mode 100644
--- /dev/null
+++ b/src/barchart.h
@@ -0,0 +1,47 @@
+/*
+  Copyright © 2018 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BARCHART_H
+#define BARCHART_H
+
+#include <qwt_plot_barchart.h>
+#include <qwt_column_symbol.h>
+#include "stream.h"
+
+class BarChart : public QwtPlotBarChart
+{
+public:
+    explicit BarChart(const Stream* stream);
+
+    void resample();
+    QwtColumnSymbol* specialSymbol(int sampleIndex, const QPointF&) const;
+
+    void drawSample(
+        QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap,
+        const QRectF &canvasRect, const QwtInterval &boundingInterval,
+        int index, const QPointF &sample ) const;
+
+private:
+    const Stream* _stream;
+
+    QVector<double> chartData() const;
+};
+
+
+#endif // BARCHART_H