#include <assert.h>
#include <math.h>
+#include <QAbstractSlider>
+#include <QPaintDevice>
#include <QPainter>
#include <QPoint>
#include <QRect>
+#include <QSlider>
#include <QStyle>
#include <QStyleOption>
-#include <memory>
-#include <utility>
#include <vector>
#include "piecewise_interpolator.h"