内容

• 公共函数
• 详细描述

QBarDataItem Class

The QBarDataItem class provides a container for resolved data to be added to bar graphs. 更多...

头：	#include <QBarDataItem>
Since:	QtDataVisualization 1.0

• 所有成员列表，包括继承成员

公共函数

	QBarDataItem (const QBarDataItem & other )
	QBarDataItem (float value , float angle )
	QBarDataItem (float value )
	QBarDataItem ()
QBarDataItem &	operator= (const QBarDataItem & other )
	~QBarDataItem ()
float	rotation () const
void	setRotation (float angle )
void	setValue (float val )
float	value () const

详细描述

A bar data item holds the data for a single rendered bar in a graph. Bar data proxies parse data into QBarDataItem instances for visualization.

另请参阅 QBarDataProxy and Qt Data Visualization C++ 类 .

成员函数文档编制

QBarDataItem:: QBarDataItem (const QBarDataItem & other )

构造副本为 other .

QBarDataItem:: QBarDataItem ( float value , float angle )

Constructs a bar data item with the value value and angle angle .

QBarDataItem:: QBarDataItem ( float value )

Constructs a bar data item with the value value .

QBarDataItem:: QBarDataItem ()

Constructs a bar data item.

QBarDataItem &QBarDataItem:: operator= (const QBarDataItem & other )

赋值副本为 other 到此对象。

QBarDataItem:: ~QBarDataItem ()

Deletes a bar data item.

float QBarDataItem:: rotation () const

Returns the rotation angle in degrees for this data item.

另请参阅 setRotation ().

void QBarDataItem:: setRotation ( float angle )

Sets the rotation angle angle in degrees for this data item.

另请参阅 rotation ().

void QBarDataItem:: setValue ( float val )

Sets the value val to this data item.

另请参阅 value ().

float QBarDataItem:: value () const

Returns the value of this data item.

另请参阅 setValue ().