PlotMagnifier Class Reference

#include <plotmagnifier.h>

Inheritance diagram for PlotMagnifier:

List of all members.

Public Types
enum	AxisMode { X_AXIS, Y_AXIS, BOTH_AXES }
Signals
void	rescaled (QRectF new_size)
Public Member Functions
	PlotMagnifier (QWidget *canvas)
virtual void	rescale (double factor) override
void	rescale (double factor, AxisMode axis)
void	setAxisLimits (int axis, double lower, double upper)
void	setDefaultMode (AxisMode mode)
virtual void	widgetWheelEvent (QWheelEvent *event) override
virtual	~PlotMagnifier () override
Protected Member Functions
virtual void	widgetMousePressEvent (QMouseEvent *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
AxisMode	_default_mode
QTimer	_future_emit

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Detailed Description

Definition at line 9 of file plotmagnifier.h.

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Member Enumeration Documentation

enum PlotMagnifier::AxisMode

Enumerator:

X_AXIS
Y_AXIS
BOTH_AXES

Definition at line 20 of file plotmagnifier.h.

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Constructor & Destructor Documentation

PlotMagnifier::PlotMagnifier

(

QWidget *

canvas

)

[explicit]

Definition at line 8 of file plotmagnifier.cpp.

PlotMagnifier::~PlotMagnifier

(

)

[override, virtual]

Definition at line 19 of file plotmagnifier.cpp.

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Member Function Documentation

QPointF PlotMagnifier::invTransform

(

QPoint

pos

)

[private]

Definition at line 120 of file plotmagnifier.cpp.

virtual void PlotMagnifier::rescale

(

double

factor

)

[inline, override, 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 22 of file plotmagnifier.h.

void PlotMagnifier::rescale	(	double	factor,
		AxisMode	axis
	)

Definition at line 30 of file plotmagnifier.cpp.

void PlotMagnifier::rescaled

(

QRectF

new_size

)

[signal]

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

Definition at line 21 of file plotmagnifier.cpp.

void PlotMagnifier::setDefaultMode

(

AxisMode

mode

)

[inline]

Definition at line 27 of file plotmagnifier.h.

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 133 of file plotmagnifier.cpp.

void PlotMagnifier::widgetWheelEvent

(

QWheelEvent *

wheelEvent

)

[override, virtual]

Handle a wheel event for the observed widget.

Parameters:

wheelEvent

Wheel event

See also:

eventFilter()

Reimplemented from QwtMagnifier.

Definition at line 127 of file plotmagnifier.cpp.

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Member Data Documentation

AxisMode PlotMagnifier::_default_mode [private]

Definition at line 45 of file plotmagnifier.h.

QTimer PlotMagnifier::_future_emit [private]

Definition at line 44 of file plotmagnifier.h.

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

Definition at line 34 of file plotmagnifier.h.

QPointF PlotMagnifier::_mouse_position [protected]

Definition at line 37 of file plotmagnifier.h.

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

Definition at line 35 of file plotmagnifier.h.

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

• plotmagnifier.h
• plotmagnifier.cpp