Section 3

• QwtText · A class representing a text.
• QwtTextEngine · Abstract base class for rendering text strings.
• QwtTextLabel · A Widget which displays a QwtText.
• QwtThermo · The Thermometer Widget.
• QwtTradingChartData
• QwtTransform · A transformation between coordinate systems.
• QwtWeedingCurveFitter · A curve fitter implementing Douglas and Peucker algorithm.
• QwtWheel · The Wheel Widget.
• QwtWidgetOverlay · An overlay for a widget.