WTransferFunctionBackground Class Reference

A QGraphicsItem that displays a pixmap in the background of the scene. More...

#include <WTransferFunctionBackground.h>

Inheritance diagram for WTransferFunctionBackground:

Collaboration diagram for WTransferFunctionBackground:

Public Types
typedef QGraphicsPixmapItem	BaseClass
	type of base class More...

Public Member Functions
	WTransferFunctionBackground (WTransferFunctionWidget *parent=0x0)
	Default constructor. More...
virtual	~WTransferFunctionBackground ()
	Default destructor. More...
QRectF	boundingRect () const
	Get the bounding rectangle. More...
void	setMyPixmap (const QPixmap &pixmap)
	Set the background pixmap that will be displayed. More...

Detailed Description

A QGraphicsItem that displays a pixmap in the background of the scene.

Compared to the QT implementation, the function setMyPixmap (which has to be used because setPixmap is not virutal) scales the item to the size of the scene, so it covers the entire area.

Definition at line 39 of file WTransferFunctionBackground.h.

Member Typedef Documentation

BaseClass

typedef QGraphicsPixmapItem WTransferFunctionBackground::BaseClass

type of base class

Definition at line 43 of file WTransferFunctionBackground.h.

Constructor & Destructor Documentation

WTransferFunctionBackground()

WTransferFunctionBackground::WTransferFunctionBackground ( WTransferFunctionWidget *  parent = 0x0 )

explicit

Default constructor.

Parameters

parent

pointer to parent widget

Definition at line 34 of file WTransferFunctionBackground.cpp.

~WTransferFunctionBackground()

WTransferFunctionBackground::~WTransferFunctionBackground ( )

virtual

Default destructor.

Definition at line 56 of file WTransferFunctionBackground.cpp.

Member Function Documentation

boundingRect()

QRectF WTransferFunctionBackground::boundingRect

(

)

const

Get the bounding rectangle.

Returns

the bounding rectangle

Definition at line 60 of file WTransferFunctionBackground.cpp.

setMyPixmap()

void WTransferFunctionBackground::setMyPixmap

(

const QPixmap &

pixmap

)

Set the background pixmap that will be displayed.

In our case, this is the transfer function

Parameters

pixmap

the pixmap to display

Definition at line 43 of file WTransferFunctionBackground.cpp.

Referenced by WTransferFunctionWidget::setMyBackground().

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

• WTransferFunctionBackground.h
• WTransferFunctionBackground.cpp