QwtPolarLayout类 参考

QwtPolarPlot 的布局类 更多...

#include <qwt_polar_layout.h>

类
class	LayoutData
class	PrivateData

Public 类型
enum	Option { IgnoreScrollbars = 0x01 , IgnoreFrames = 0x02 , IgnoreTitle = 0x04 , IgnoreLegend = 0x08 }
	Options to configure the plot layout engine 更多...

Public 成员函数
	QwtPolarLayout ()
	Constructor
virtual	~QwtPolarLayout ()
	Destructor
void	setLegendPosition (QwtPolarPlot::LegendPosition pos, double ratio)
	Set the legend position with ratio
void	setLegendPosition (QwtPolarPlot::LegendPosition pos)
	Set the legend position
QwtPolarPlot::LegendPosition	legendPosition () const
	Get the legend position
void	setLegendRatio (double ratio)
	Set the legend ratio
double	legendRatio () const
	Get the legend ratio
virtual void	activate (const QwtPolarPlot *, const QRectF &rect, Options options=Options())
	Activate the layout
virtual void	invalidate ()
	Invalidate the layout
const QRectF &	titleRect () const
	Get the title rectangle
const QRectF &	legendRect () const
	Get the legend rectangle
const QRectF &	canvasRect () const
	Get the canvas rectangle

Protected 成员函数
QRectF	layoutLegend (Options options, QRectF &) const
	查找图例的几何形状

详细描述

QwtPolarPlot 的布局类

成员枚举类型说明

Option

enum QwtPolarLayout::Option

Options to configure the plot layout engine

枚举值
IgnoreScrollbars	Ignore the dimension of the scrollbars.
IgnoreFrames	Ignore all frames.
IgnoreTitle	Ignore the title.
IgnoreLegend	Ignore the legend.

构造及析构函数说明

QwtPolarLayout()

QwtPolarLayout::QwtPolarLayout ( )

explicit

Constructor

构造函数

~QwtPolarLayout()

QwtPolarLayout::~QwtPolarLayout ( )

virtual

Destructor

析构函数

成员函数说明

activate()

void QwtPolarLayout::activate ( const QwtPolarPlot *  plot, const QRectF &  boundingRect, Options  options = Options()  )

virtual

Activate the layout

重新计算所有组件的几何形状

canvasRect()

const QRectF & QwtPolarLayout::canvasRect

(

)

const

Get the canvas rectangle

获取画布的几何形状

invalidate()

void QwtPolarLayout::invalidate ( )

virtual

Invalidate the layout

使所有组件的几何形状无效

layoutLegend()

QRectF QwtPolarLayout::layoutLegend ( Options  options, QRectF &  rect  ) const

protected

查找图例的几何形状

legendPosition()

QwtPolarPlot::LegendPosition QwtPolarLayout::legendPosition

(

)

const

Get the legend position

获取图例的位置

legendRatio()

double QwtPolarLayout::legendRatio

(

)

const

Get the legend ratio

获取图例在绘图中的相对大小

legendRect()

const QRectF & QwtPolarLayout::legendRect

(

)

const

Get the legend rectangle

获取图例的几何形状

setLegendPosition() [1/2]

void QwtPolarLayout::setLegendPosition

(

QwtPolarPlot::LegendPosition

pos

)

Set the legend position

指定图例的位置

setLegendPosition() [2/2]

void QwtPolarLayout::setLegendPosition	(	QwtPolarPlot::LegendPosition	pos,
		double	ratio
	)

Set the legend position with ratio

指定图例的位置

setLegendRatio()

void QwtPolarLayout::setLegendRatio

(

double

ratio

)

Set the legend ratio

指定图例在绘图中的相对大小

titleRect()

const QRectF & QwtPolarLayout::titleRect

(

)

const

Get the title rectangle

获取标题的几何形状

---

该类的文档由以下文件生成:

• /home/runner/work/QWT/QWT/src/plot/qwt_polar_layout.h
• /home/runner/work/QWT/QWT/src/plot/qwt_polar_layout.cpp