Bar

class Bar: public DataElement

Implements a bar data element.

Inherits from DataElement.

Summary

Bar	Implements a bar data element.
Functions
Bar	Initializes the object.
~Bar	Releases all allocated resources.
Draw	Draws the bar.
DrawLabels	Draws the label assigned to the bar.
ChangePosition	Changes the position of the bar.
Scale	Scales the object.
ChangeAlpha	Changes the alpha value of the bar.

Bar( DataEntry * pDataEntry,
float fLeft,
float fTop,
float fBottom,
float fWidth,
Label * pLabel = NULL )

Initializes the object.

pDataEntry	Pointer to the data entry object that shall be represented by the bar.
fLeft	The x value of the bar.
fTop	The upper y value of the bar.
fBottom	The lower y value of the bar.
fWidth	The width of the bar.
pLabel	A label that shall be assigned to the bar instead of creating a new one. Default value is NULL.

~Bar()

Releases all allocated resources.

void Draw( QPainter * pPainter )

Draws the bar. Inherited from AlterableObject.

pPainter

The QPainter object that shall be used for painting.

void DrawLabels( QPainter * pPainter )

Draws the label assigned to the bar. Inherited from AlterableObject.

pPainter

The QPainter object that shall be used for painting.

void ChangePosition( float fDeltaLeft,
float fDeltaTop,
float fDeltaBottom = 0.0f )

Changes the position of the bar. Inherited from AlterableObject.

fDeltaLeft	Total horizontal distance.
fDeltaTop	Total vertical distance according to the upper vertices.
fDeltaBottom	Total vertical distance according to the lower vertices. Default value is 0.0f.

void Scale( float fDeltaWidth,
float fDeltaHeight )

Scales the object. Inherited from DataElement.

fDeltaWidth	Total horizontal scaling value.
fDeltaHeight	Total vertical scaling value.

void ChangeAlpha( float fDeltaAlpha )

Changes the alpha value of the bar. Inherited from AlterableObject.

fDeltaAlpha

Change of alpha value.