ImageWidget Class Reference

A widget to show images. More...

#include <image_widget.h>

Inheritance diagram for ImageWidget:

Collaboration diagram for ImageWidget:

Public Member Functions
	ImageWidget (OutputPrivate *out)
void	newObject (StreamObject obj) override
	Called when a new image arrived. More...
void	reset (void) override
	Reset the widget to make it show the default image again.
QWidget *	qwidget (void) override
	Convert this widget to a QWidget. More...
Public Member Functions inherited from StreamWidget
	StreamWidget (OutputPrivate *out)
OutputPrivate *	output (void)
	Get the output associated with this widget. More...

Protected Member Functions
virtual void	paintEvent (QPaintEvent *event) override
	Paint the widget. More...
void	resizeEvent (QResizeEvent *event) override
	Called on a resize event. More...
void	recalcImageRect (double w, double h)
	Recalculates the image dimensions after a resize. More...

Protected Attributes
QImage	image_qt
Image	image
QRectF	image_rect

Detailed Description

A widget to show images.

This widget automatically scales the image it is supposed to display to the correct size.

See also

Image

StreamWidget

StreamObject

Member Function Documentation

newObject()

void ImageWidget::newObject ( StreamObject  obj )

overridevirtual

Called when a new image arrived.

Parameters

obj	StreamObject representing the new image to display

Implements StreamWidget.

Reimplemented in SparseWidget.

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paintEvent()

void ImageWidget::paintEvent ( QPaintEvent *  event )

overrideprotectedvirtual

Paint the widget.

Parameters

event

The paint event

See QWidget::paintEvent

Reimplemented in SparseWidget.

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qwidget()

QWidget * ImageWidget::qwidget ( void  )

overridevirtual

Convert this widget to a QWidget.

Returns

The QWidget

Implements StreamWidget.

recalcImageRect()

void ImageWidget::recalcImageRect ( double  w, double  h  )

protected

Recalculates the image dimensions after a resize.

Parameters

w	The new width of the bounding rect
h	The new height of the bounding rect

resizeEvent()

void ImageWidget::resizeEvent ( QResizeEvent *  event )

overrideprotected

Called on a resize event.

Parameters

event

The resize event

See QWidget::resizeEvent

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

• usercore/include/gui/image_widget.h
• usercore/src/gui/image_widget.cpp