Public Member Functions
void	init (const QwtAbstractLegend *legend)
	Initialize legend data from a QwtAbstractLegend / 从QwtAbstractLegend初始化图例数据

QSize	legendHint (const QwtAbstractLegend *legend, const QRectF &rect) const
	Calculate optimal legend size for given rectangle / 计算给定矩形的优化图例尺寸

Member Function Documentation

◆ init()

void QwtPlotLayoutEngine::LayoutData::LegendData::init ( const QwtAbstractLegend * legend )

Initialize legend data from a QwtAbstractLegend / 从QwtAbstractLegend初始化图例数据

Extracts frame width, scroll extents and size hint from the legend widget.

从图例部件提取边框宽度、滚动范围和尺寸提示。

Parameters

legend Pointer to the legend widget / 指向图例部件的指针

QSize QwtPlotLayoutEngine::LayoutData::LegendData::legendHint	(	const QwtAbstractLegend *	legend,
		const QRectF &	rect
	)		const

Calculate optimal legend size for given rectangle / 计算给定矩形的优化图例尺寸

Determines the best size for the legend within the available space, considering both width and height constraints.

在可用空间内确定图例的最佳尺寸，同时考虑宽度和高度限制。

Parameters

legend	Pointer to the legend widget / 指向图例部件的指针
rect	Available rectangle for the legend / 图例的可用矩形区域

The documentation for this struct was generated from the following files: