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QSplineSeries Class

QSplineSeries 以样条曲线图的形式显示数据。更多

头文件: #include <QSplineSeries>
CMake: find_package(Qt6 REQUIRED COMPONENTS Graphs)
target_link_libraries(mytarget PRIVATE Qt6::Graphs)
qmake: QT += graphs
在 QML 中: SplineSeries
继承: QXYSeries

属性

公共功能

Qt::PenCapStyle capStyle() const
bool isOptimized() const
void setCapStyle(Qt::PenCapStyle newCapStyle)
void setOptimized(bool optimized)
void setWidth(qreal newWidth)
qreal width() const

信号

void capStyleChanged()
void optimizedChanged(bool newOptimized)
void widthChanged()

详细说明

图形显示平滑样条线段,这些样条线段在图形中定义的所有点之间移动。

属性文档

capStyle : Qt::PenCapStyle

控制花键线的上限样式。该值是Qt::PenCapStyle 枚举值之一。默认值为Qt::SquareCap

访问功能:

Qt::PenCapStyle capStyle() const
void setCapStyle(Qt::PenCapStyle newCapStyle)

通知信号:

void capStyleChanged()

另请参阅 Qt::PenCapStyle

width : qreal

以像素为单位的样条线宽度。默认值为 2.0。

访问功能:

qreal width() const
void setWidth(qreal newWidth)

通知信号:

void widthChanged()

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