A class representing a text.
Definition: qwt_text.h:52
QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ...
Definition: qwt_plot_intervalcurve.h:29
virtual void drawSeries(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, int from, int to) const =0