Man page - qwtplotmagnifier(3)
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Manual
| QwtPlotMagnifier(3) | Qwt User's Guide | QwtPlotMagnifier(3) |
NAME
QwtPlotMagnifier - QwtPlotMagnifier provides zooming, by magnifying in steps.
SYNOPSIS
#include <qwt_plot_magnifier.h>
Inherits QwtMagnifier.
Public Member Functions
QwtPlotMagnifier (QWidget *)
virtual ~QwtPlotMagnifier ()
Destructor. void setAxisEnabled (int axis, bool on)
En/Disable an axis. bool isAxisEnabled (int axis) const
QWidget * canvas ()
Return observed plot canvas. const QWidget * canvas () const
Return Observed plot canvas. QwtPlot * plot ()
Return plot widget, containing the observed plot canvas. const QwtPlot
* plot () const
Return plot widget, containing the observed plot canvas.
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 (QWidget * canvas) [explicit]
Constructor
Parameters:
Member Function Documentation
bool QwtPlotMagnifier::isAxisEnabled (int axis) const
Test if an axis is enabled
Parameters:
Returns:
See also:
void QwtPlotMagnifier::rescale (double factor) [protected], [virtual]
Zoom in/out the axes scales
Parameters:
Implements QwtMagnifier.
void QwtPlotMagnifier::setAxisEnabled (int axis, bool on)
En/Disable an axis. Only Axes that are enabled will be zoomed. All other axes will remain unchanged.
Parameters:
on On/Off
See also:
Author
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| Wed Jan 2 2019 | Version 6.1.4 |