QBarDataItem Class
The QBarDataItem class provides a container for resolved data to be added to bar graphs. 更多...
| 头文件: | #include <QBarDataItem> |
| 开始支持版本: | QtDataVisualization 1.0 |
公有函数
| QBarDataItem() | |
| QBarDataItem(float value) | |
| QBarDataItem(float value, float angle) | |
| QBarDataItem(const QBarDataItem &other) | |
| ~QBarDataItem() | |
| float | rotation() const |
| void | setRotation(float angle) |
| void | setValue(float val) |
| float | value() const |
| QBarDataItem & | operator=(const QBarDataItem &other) |
详细描述
The QBarDataItem class provides a container for resolved data to be added to bar graphs.
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.
参见 QBarDataProxy and Qt Data Visualization C++ Classes.
成员函数
QBarDataItem::QBarDataItem()
Constructs a bar data item.
QBarDataItem::QBarDataItem(float value)
Constructs a bar data item with the value value.
QBarDataItem::QBarDataItem(float value, float angle)
Constructs a bar data item with the value value and angle angle.
QBarDataItem::QBarDataItem(const QBarDataItem &other)
Constructs a copy of other.
QBarDataItem::~QBarDataItem()
Deletes a bar data item.
float QBarDataItem::rotation() const
Returns the rotation angle in degrees for this data item.
参见 setRotation().
void QBarDataItem::setRotation(float angle)
Sets the rotation angle angle in degrees for this data item.
参见 rotation().
void QBarDataItem::setValue(float val)
Sets the value val to this data item.
参见 value().
float QBarDataItem::value() const
Returns the value of this data item.
参见 setValue().
QBarDataItem &QBarDataItem::operator=(const QBarDataItem &other)
Assigns a copy of other to this object.