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Eneboo - Documentación para desarrolladores
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QwtPlotMagnifier provides zooming, by magnifying in steps. Más...
#include <qwt_plot_magnifier.h>
Clases | |
| class | PrivateData |
Métodos públicos | |
| QwtPlotMagnifier (QwtPlotCanvas *) | |
| virtual | ~QwtPlotMagnifier () |
| Destructor. | |
| void | setAxisEnabled (int axis, bool on) |
| En/Disable an axis. | |
| bool | isAxisEnabled (int axis) const |
| QwtPlotCanvas * | canvas () |
| Return observed plot canvas. | |
| const QwtPlotCanvas * | 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. | |
Métodos protegidos | |
| virtual void | rescale (double factor) |
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.
| QwtPlotMagnifier::QwtPlotMagnifier | ( | QwtPlotCanvas * | canvas | ) | [explicit] |
Constructor
| canvas | Plot canvas to be magnified |
| QwtPlotMagnifier::~QwtPlotMagnifier | ( | ) | [virtual] |
Destructor.
| QwtPlotCanvas * QwtPlotMagnifier::canvas | ( | ) |
Return observed plot canvas.
| const QwtPlotCanvas * QwtPlotMagnifier::canvas | ( | ) | const |
Return Observed plot canvas.
Test if an axis is enabled
| axis | Axis, see QwtPlot::Axis |
| QwtPlot * QwtPlotMagnifier::plot | ( | ) |
Return plot widget, containing the observed plot canvas.
| const QwtPlot * QwtPlotMagnifier::plot | ( | ) | const |
Return plot widget, containing the observed plot canvas.
| void QwtPlotMagnifier::rescale | ( | double | factor | ) | [protected, virtual] |
Zoom in/out the axes scales
| factor | A value < 1.0 zooms in, a value > 1.0 zooms out. |
Implementa QwtMagnifier.
En/Disable an axis.
Axes that are enabled will be synchronized to the result of panning. All other axes will remain unchanged.
| axis | Axis, see QwtPlot::Axis |
| on | On/Off |
1.7.4