PlotMagnifier Class Reference

#include <plotmagnifier.h>

Inheritance diagram for PlotMagnifier:

List of all members.

Signals
void	rescaled (QRectF new_size)
Public Member Functions
	PlotMagnifier (QWidget *canvas)
void	setAxisLimits (int axis, double lower, double upper)
virtual	~PlotMagnifier ()
Protected Member Functions
virtual void	rescale (double factor) override
virtual void	widgetMousePressEvent (QMouseEvent *event) override
virtual void	widgetWheelEvent (QWheelEvent *event) override
Protected Attributes
double	_lower_bounds [QwtPlot::axisCnt]
QPointF	_mouse_position
double	_upper_bounds [QwtPlot::axisCnt]
Private Member Functions
QPointF	invTransform (QPoint pos)
Private Attributes
QTimer	_future_emit

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Detailed Description

Definition at line 8 of file plotmagnifier.h.

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Constructor & Destructor Documentation

PlotMagnifier::PlotMagnifier

(

QWidget *

canvas

)

[explicit]

Definition at line 7 of file plotmagnifier.cpp.

PlotMagnifier::~PlotMagnifier

(

)

[virtual]

Definition at line 16 of file plotmagnifier.cpp.

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Member Function Documentation

QPointF PlotMagnifier::invTransform

(

QPoint

pos

)

[private]

Definition at line 107 of file plotmagnifier.cpp.

void PlotMagnifier::rescale

(

double

factor

)

[override, protected, virtual]

Zoom in/out the axes scales

Parameters:

factor

A value < 1.0 zooms in, a value > 1.0 zooms out.

Reimplemented from QwtPlotMagnifier.

Definition at line 27 of file plotmagnifier.cpp.

void PlotMagnifier::rescaled

(

QRectF

new_size

)

[signal]

void PlotMagnifier::setAxisLimits	(	int	axis,
		double	lower,
		double	upper
	)

Definition at line 18 of file plotmagnifier.cpp.

void PlotMagnifier::widgetMousePressEvent

(

QMouseEvent *

mouseEvent

)

[override, protected, virtual]

Handle a mouse press event for the observed widget.

Parameters:

mouseEvent

Mouse event

See also:

eventFilter(), widgetMouseReleaseEvent(), widgetMouseMoveEvent()

Reimplemented from QwtMagnifier.

Definition at line 120 of file plotmagnifier.cpp.

void PlotMagnifier::widgetWheelEvent

(

QWheelEvent *

wheelEvent

)

[override, protected, virtual]

Handle a wheel event for the observed widget.

Parameters:

wheelEvent

Wheel event

See also:

eventFilter()

Reimplemented from QwtMagnifier.

Definition at line 114 of file plotmagnifier.cpp.

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Member Data Documentation

QTimer PlotMagnifier::_future_emit [private]

Definition at line 35 of file plotmagnifier.h.

double PlotMagnifier::_lower_bounds[QwtPlot::axisCnt] [protected]

Definition at line 25 of file plotmagnifier.h.

QPointF PlotMagnifier::_mouse_position [protected]

Definition at line 28 of file plotmagnifier.h.

double PlotMagnifier::_upper_bounds[QwtPlot::axisCnt] [protected]

Definition at line 26 of file plotmagnifier.h.

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The documentation for this class was generated from the following files:

• plotmagnifier.h
• plotmagnifier.cpp