videoDisplayWidget Class Reference

A widget for displaying video or images. More...

#include <videoDisplayWidget.h>

List of all members.

Public Slots
void	displayImage (QPixmap *p)
	A slot for displaying a QPixmap.
void	displayImage (QImage *i)
	A slot for displaying QImages.
Public Member Functions
	videoDisplayWidget (QWidget *parent=0)
	The default constructor.
QSizePolicy	sizePolicy () const
void	loadImage (const QString *str)
	Used for loading one of the supported image formats from a file and display.
Private Member Functions
void	updateImage (QPixmap *p)
	Updates the display widget with a QPixmap.
void	updateImage (QImage *i)
	Updates the display widget with a QImage.

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Detailed Description

A widget for displaying video or images.

The important aspects of this class are the two slots that can be connected directly to another class via signals. These slots accept as a parameter either a QPixmap or a QImage, which is then automatically displayed inside the widget. This would be idea for connecting to another class that has a periodic signal with image information, such as a frame server or processing algorithm.

Definition at line 26 of file videoDisplayWidget.h.

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Constructor & Destructor Documentation

videoDisplayWidget::videoDisplayWidget

(

QWidget *

parent = 0

)

The default constructor.

Parameters:

parent

The parent widget.

Definition at line 9 of file videoDisplayWidget.cpp.

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Member Function Documentation

void videoDisplayWidget::displayImage

(

QImage *

i

)

[slot]

A slot for displaying QImages.

Parameters:

i

The QImage to be displayed.

Definition at line 37 of file videoDisplayWidget.cpp.

References updateImage().

void videoDisplayWidget::displayImage

(

QPixmap *

p

)

[slot]

A slot for displaying a QPixmap.

Parameters:

p

The QPixmap to be displayed.

Definition at line 32 of file videoDisplayWidget.cpp.

References updateImage().

void videoDisplayWidget::loadImage

(

const QString *

str

)

Used for loading one of the supported image formats from a file and display.

Parameters:

str

A string with the location (filesystem) of the image to be displayed.

Definition at line 26 of file videoDisplayWidget.cpp.

void videoDisplayWidget::updateImage

(

QImage *

i

)

[private]

Updates the display widget with a QImage.

Parameters:

i

The QImage to update with.

Definition at line 20 of file videoDisplayWidget.cpp.

void videoDisplayWidget::updateImage

(

QPixmap *

p

)

[private]

Updates the display widget with a QPixmap.

Parameters:

p

The QPixmap to update with.

Definition at line 15 of file videoDisplayWidget.cpp.

Referenced by displayImage().

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

• videoDisplayWidget.h
• videoDisplayWidget.cpp

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