A class representing a text.
Definition: qwt_text.h:52
virtual void drawSeries(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const =0
QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( ).
Definition: qwt_plot_histogram.h:41