QwtPolarMarker类 参考

用于绘制标记的类 更多...

#include <qwt_polar_marker.h>

类 QwtPolarMarker 继承关系图:

类
class	PrivateData

Public 成员函数
	QwtPolarMarker ()
	Constructor
virtual	~QwtPolarMarker ()
	Destructor
virtual int	rtti () const override
	Get the runtime type information
void	setPosition (const QwtPointPolar &)
	Set the position
QwtPointPolar	position () const
	Get the position
void	setSymbol (const QwtSymbol *s)
	Set the symbol
const QwtSymbol *	symbol () const
	Get the symbol
void	setLabel (const QwtText &)
	Set the label
QwtText	label () const
	Get the label
void	setLabelAlignment (Qt::Alignment)
	Set the label alignment
Qt::Alignment	labelAlignment () const
	Get the label alignment
virtual void	draw (QPainter *painter, const QwtScaleMap &azimuthMap, const QwtScaleMap &radialMap, const QPointF &pole, double radius, const QRectF &canvasRect) const override
	Draw the marker
virtual QwtInterval	boundingInterval (int scaleId) const override
	Get the bounding interval for a scale
Public 成员函数 继承自 QwtPolarItem
	QwtPolarItem (const QwtText &title=QwtText())
	Constructor
virtual	~QwtPolarItem ()
	Destructor
void	attach (QwtPolarPlot *plot)
	Attach the item to a plot
void	detach ()
	Detach the item from its plot
QwtPolarPlot *	plot () const
	Get the attached plot
void	setTitle (const QString &title)
	Set the title from a QString
void	setTitle (const QwtText &title)
	Set the title from a QwtText
const QwtText &	title () const
	Get the title
void	setItemAttribute (ItemAttribute, bool on=true)
	Set an item attribute
bool	testItemAttribute (ItemAttribute) const
	Test an item attribute
void	setRenderHint (RenderHint, bool on=true)
	Set a render hint
bool	testRenderHint (RenderHint) const
	Test a render hint
void	setRenderThreadCount (uint numThreads)
	Set the number of render threads
uint	renderThreadCount () const
	Get the number of render threads
double	z () const
	Get the z value
void	setZ (double z)
	Set the z value
void	show ()
	Show the item
void	hide ()
	Hide the item
virtual void	setVisible (bool)
	Set the visibility
bool	isVisible () const
	Get the visibility
virtual void	itemChanged ()
	Update the item and trigger autoRefresh
virtual void	legendChanged ()
	Update the legend
virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &, const QwtInterval &)
	Update the scale division
virtual int	marginHint () const
	Get the margin hint
void	setLegendIconSize (const QSize &)
	Set the legend icon size
QSize	legendIconSize () const
	Get the legend icon size
virtual QList< QwtLegendData >	legendData () const
	Get the legend data
virtual QwtGraphic	legendIcon (int index, const QSizeF &) const
	Get the legend icon

额外继承的成员函数
Public 类型 继承自 QwtPolarItem
enum	RttiValues {   Rtti_PolarItem = 0 , Rtti_PolarGrid , Rtti_PolarMarker , Rtti_PolarCurve ,   Rtti_PolarSpectrogram , Rtti_PolarUserItem = 1000 }
enum	ItemAttribute { Legend = 0x01 , AutoScale = 0x02 }
enum	RenderHint { RenderAntialiased = 0x01 }

详细描述

用于绘制标记的类

构造及析构函数说明

QwtPolarMarker()

QwtPolarMarker::QwtPolarMarker ( )

explicit

Constructor

构造函数

~QwtPolarMarker()

QwtPolarMarker::~QwtPolarMarker ( )

virtual

Destructor

析构函数

成员函数说明

boundingInterval()

QwtInterval QwtPolarMarker::boundingInterval ( int  scaleId ) const

overridevirtual

Get the bounding interval for a scale

获取显示项所需的边界区间

重载 QwtPolarItem .

draw()

void QwtPolarMarker::draw ( QPainter *  painter, const QwtScaleMap &  azimuthMap, const QwtScaleMap &  radialMap, const QPointF &  pole, double  radius, const QRectF &  canvasRect  ) const

overridevirtual

Draw the marker

绘制标记

实现了 QwtPolarItem.

label()

QwtText QwtPolarMarker::label

(

)

const

Get the label

获取标签文本

labelAlignment()

Qt::Alignment QwtPolarMarker::labelAlignment

(

)

const

Get the label alignment

获取标签对齐方式

position()

QwtPointPolar QwtPolarMarker::position

(

)

const

Get the position

获取标记的位置

rtti()

int QwtPolarMarker::rtti ( ) const

overridevirtual

Get the runtime type information

获取运行时类型信息

重载 QwtPolarItem .

setLabel()

void QwtPolarMarker::setLabel

(

const QwtText &

label

)

Set the label

设置标签文本

setLabelAlignment()

void QwtPolarMarker::setLabelAlignment

(

Qt::Alignment

align

)

Set the label alignment

设置标签的对齐方式

setPosition()

void QwtPolarMarker::setPosition

(

const QwtPointPolar &

pos

)

Set the position

设置标记的位置

setSymbol()

void QwtPolarMarker::setSymbol

(

const QwtSymbol *

symbol

)

Set the symbol

分配符号

symbol()

const QwtSymbol * QwtPolarMarker::symbol

(

)

const

Get the symbol

获取当前符号

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该类的文档由以下文件生成:

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