The QBarDataItem class provides a container for resolved data to be added to bar graphs. 更多...
| 头： | #include <QBarDataItem> |
| CMake: |
find_package(Qt6 REQUIRED COMPONENTS Graphs)
target_link_libraries(mytarget PRIVATE Qt6::Graphs) |
| qmake: | QT += graphs |
| 状态： | 技术预览 |
| QBarDataItem () | |
| QBarDataItem (float value ) | |
| QBarDataItem (float value , float angle ) | |
| float | rotation () const |
| void | setRotation (float angle ) |
| void | setValue (float val ) |
| float | value () const |
A bar data item holds the data for a single rendered bar in a graph. Bar data proxies parse data into QBarDataItem instances for bar graphs.
另请参阅 QBarDataProxy and Qt Graphs C++ Classes for 3D .
[constexpr noexcept]
QBarDataItem::
QBarDataItem
()
Constructs a bar data item.
[explicit constexpr noexcept]
QBarDataItem::
QBarDataItem
(
float
value
)
Constructs a bar data item with the value value .
[explicit constexpr noexcept]
QBarDataItem::
QBarDataItem
(
float
value
,
float
angle
)
Constructs a bar data item with the value value and angle angle .
[constexpr noexcept]
float
QBarDataItem::
rotation
() const
Returns the rotation angle in degrees for this data item.
另请参阅 setRotation ().
[constexpr noexcept]
void
QBarDataItem::
setRotation
(
float
angle
)
Sets the rotation angle angle in degrees for this data item.
另请参阅 rotation ().
[constexpr noexcept]
void
QBarDataItem::
setValue
(
float
val
)
Sets the value val to this data item.
另请参阅 value ().
[constexpr noexcept]
float
QBarDataItem::
value
() const
Returns the value of this data item.
另请参阅 setValue ().