NAME¶

QwtPlotMagnifier -

SYNOPSIS¶

#include <qwt_plot_magnifier.h> Inherits QwtMagnifier.

Public Member Functions¶

QwtPlotMagnifier (QwtPlotCanvas *) virtual ~QwtPlotMagnifier () QwtPlotCanvas * canvas () const QwtPlotCanvas * canvas () const bool isAxisEnabled (int axis) const QwtPlot * plot () const QwtPlot * plot () const void setAxisEnabled (int axis, bool on)

Protected Member Functions¶

virtual void rescale (double factor)

Detailed Description¶

QwtPlotMagnifier provides zooming, by magnifying in steps. Using QwtPlotMagnifier a plot can be zoomed in/out in steps using keys, the mouse wheel or moving a mouse button in vertical direction. Together with QwtPlotZoomer and QwtPlotPanner it is possible to implement individual and powerful navigation of the plot canvas. See also:

Constructor & Destructor Documentation¶

QwtPlotMagnifier::QwtPlotMagnifier ( QwtPlotCanvas *canvas) [explicit]¶

Constructor Parameters:

Member Function Documentation¶

bool QwtPlotMagnifier::isAxisEnabled (intaxis) const¶

Test if an axis is enabled Parameters: Returns: See also:

void QwtPlotMagnifier::rescale (doublefactor) [protected], [virtual]¶

Zoom in/out the axes scales Parameters: Implements QwtMagnifier.

void QwtPlotMagnifier::setAxisEnabled (intaxis, boolon)¶

En/Disable an axis. Axes that are enabled will be synchronized to the result of panning. All other axes will remain unchanged. Parameters: See also:

Author¶

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