绘制坐标网格的类更多...

#include <qwt_plot_grid.h>

类 QwtPlotGrid 继承关系图:

类
class	PrivateData

Public 成员函数
	QwtPlotGrid ()
	构造函数

virtual	~QwtPlotGrid ()
	析构函数

virtual int	rtti () const override
	获取运行时类型信息

void	enableX (bool)
	启用或禁用垂直网格线

bool	xEnabled () const
	检查垂直网格线是否启用

void	enableY (bool)
	启用或禁用水平网格线

bool	yEnabled () const
	检查水平网格线是否启用

void	enableXMin (bool)
	启用或禁用次要垂直网格线

bool	xMinEnabled () const
	检查次要垂直网格线是否启用

void	enableYMin (bool)
	启用或禁用次要水平网格线

bool	yMinEnabled () const
	检查次要水平网格线是否启用

void	setXDiv (const QwtScaleDiv &)
	分配x轴比例划分

const QwtScaleDiv &	xScaleDiv () const
	获取x轴的比例划分

void	setYDiv (const QwtScaleDiv &)
	分配y轴比例划分

const QwtScaleDiv &	yScaleDiv () const
	获取y轴的比例划分

void	setPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine)
	构建并分配主要和次要网格线的画笔

void	setPen (const QPen &)
	分配主要和次要网格线的画笔

void	setMajorPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine)
	构建并分配主要网格线的画笔

void	setMajorPen (const QPen &)
	分配主要网格线的画笔

const QPen &	majorPen () const
	获取主要网格线的画笔

void	setMinorPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine)
	构建并分配次要网格线的画笔

void	setMinorPen (const QPen &)
	分配次要网格线的画笔

const QPen &	minorPen () const
	获取次要网格线的画笔

virtual void	draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const override
	绘制网格

virtual void	updateScaleDiv (const QwtScaleDiv &xScaleDiv, const QwtScaleDiv &yScaleDiv) override
	更新网格以响应坐标轴比例划分的变化

Public 成员函数继承自 QwtPlotItem
	QwtPlotItem ()
	Default constructor

	QwtPlotItem (const QString &title)
	Constructor with title as QString

	QwtPlotItem (const QwtText &title)
	Constructor with title as QwtText

virtual	~QwtPlotItem ()
	Destructor

void	attach (QwtPlot *plot)
	Attach the item to a plot

void	detach ()
	Detach the item from the plot

QwtPlot *	plot () const
	Get the plot the item is attached to

void	setTitle (const QString &title)
	Set the title using a QString

void	setTitle (const QwtText &title)
	Set the title using 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	setItemInterest (ItemInterest, bool on=true)
	Set an item interest

bool	testItemInterest (ItemInterest) const
	Test an item interest

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

void	setLegendIconSize (const QSize &)
	Set the legend icon size

QSize	legendIconSize () const
	Get the legend icon size

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
	Check if the item is visible

void	setAxes (QwtAxisId xAxis, QwtAxisId yAxis)
	Set both axes

void	setXAxis (QwtAxisId)
	Set the x-axis

QwtAxisId	xAxis () const
	Get the x-axis

void	setYAxis (QwtAxisId)
	Set the y-axis

QwtAxisId	yAxis () const
	Get the y-axis

virtual void	itemChanged ()
	Notify the plot that the item has changed

virtual void	legendChanged ()
	Notify the item that the legend has changed

virtual QRectF	boundingRect () const
	Get the bounding rectangle

virtual void	getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const
	Get margin hints for the canvas

virtual void	updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &)
	Update the item with changes of the legend

QRectF	scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the scale rectangle

QRectF	paintRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the paint rectangle

virtual QList< QwtLegendData >	legendData () const
	Return legend data

virtual QwtGraphic	legendIcon (int index, const QSizeF &) const
	Return a legend icon

额外继承的成员函数
Public 类型继承自 QwtPlotItem
enum	RttiValues { Rtti_PlotItem = 0 , Rtti_PlotGrid , Rtti_PlotScale , Rtti_PlotLegend , Rtti_PlotMarker , Rtti_PlotCurve , Rtti_PlotSpectroCurve , Rtti_PlotIntervalCurve , Rtti_PlotHistogram , Rtti_PlotSpectrogram , Rtti_PlotGraphic , Rtti_PlotTradingCurve , Rtti_PlotBarChart , Rtti_PlotMultiBarChart , Rtti_PlotShape , Rtti_PlotTextLabel , Rtti_PlotZone , Rtti_PlotVectorField , Rtti_PlotArrowMarker , Rtti_PlotBoxChart , Rtti_PlotUserItem = 1000 }
	运行时类型信息更多...

enum	ItemAttribute { Legend = 0x01 , AutoScale = 0x02 , Margins = 0x04 }
	绘图项属性更多...

enum	ItemInterest { ScaleInterest = 0x01 , LegendInterest = 0x02 }
	绘图项关注的事件类型更多...

enum	RenderHint { RenderAntialiased = 0x1 }
	渲染提示更多...

Protected 成员函数继承自 QwtPlotItem
QwtGraphic	defaultIcon (const QBrush &, const QSizeF &) const
	Create a default icon

详细描述

绘制坐标网格的类

构造及析构函数说明

◆ QwtPlotGrid()

QwtPlotGrid::QwtPlotGrid ( )

explicit

构造函数

◆ ~QwtPlotGrid()

QwtPlotGrid::~QwtPlotGrid ( )

virtual

析构函数

成员函数说明

◆ draw()

void QwtPlotGrid::draw	(	QPainter *	painter,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QRectF &	canvasRect
	)		const

overridevirtual

绘制网格

实现了 QwtPlotItem.

◆ enableX()

void QwtPlotGrid::enableX ( bool on )

启用或禁用垂直网格线

◆ enableXMin()

void QwtPlotGrid::enableXMin ( bool on )

启用或禁用次要垂直网格线

◆ enableY()

void QwtPlotGrid::enableY ( bool on )

启用或禁用水平网格线

◆ enableYMin()

void QwtPlotGrid::enableYMin ( bool on )

启用或禁用次要水平网格线

◆ majorPen()

const QPen & QwtPlotGrid::majorPen ( ) const

获取主要网格线的画笔

◆ minorPen()

const QPen & QwtPlotGrid::minorPen ( ) const

获取次要网格线的画笔

◆ rtti()

int QwtPlotGrid::rtti ( ) const

overridevirtual

获取运行时类型信息

重载 QwtPlotItem .

◆ setMajorPen() [1/2]

void QwtPlotGrid::setMajorPen	(	const QColor &	color,
		qreal	width = `0.0`,
		Qt::PenStyle	style = `Qt::SolidLine`
	)

构建并分配主要网格线的画笔

◆ setMajorPen() [2/2]

void QwtPlotGrid::setMajorPen ( const QPen & pen )

分配主要网格线的画笔

◆ setMinorPen() [1/2]

void QwtPlotGrid::setMinorPen	(	const QColor &	color,
		qreal	width = `0.0`,
		Qt::PenStyle	style = `Qt::SolidLine`
	)

构建并分配次要网格线的画笔

◆ setMinorPen() [2/2]

void QwtPlotGrid::setMinorPen ( const QPen & pen )

分配次要网格线的画笔

◆ setPen() [1/2]

void QwtPlotGrid::setPen	(	const QColor &	color,
		qreal	width = `0.0`,
		Qt::PenStyle	style = `Qt::SolidLine`
	)

构建并分配主要和次要网格线的画笔

◆ setPen() [2/2]

void QwtPlotGrid::setPen ( const QPen & pen )

分配主要和次要网格线的画笔

◆ setXDiv()

void QwtPlotGrid::setXDiv ( const QwtScaleDiv & scaleDiv )

分配x轴比例划分

◆ setYDiv()

void QwtPlotGrid::setYDiv ( const QwtScaleDiv & scaleDiv )

分配y轴比例划分

◆ updateScaleDiv()

void QwtPlotGrid::updateScaleDiv	(	const QwtScaleDiv &	xScaleDiv,
		const QwtScaleDiv &	yScaleDiv
	)

overridevirtual

更新网格以响应坐标轴比例划分的变化

重载 QwtPlotItem .

◆ xEnabled()

bool QwtPlotGrid::xEnabled ( ) const

检查垂直网格线是否启用

◆ xMinEnabled()

bool QwtPlotGrid::xMinEnabled ( ) const

检查次要垂直网格线是否启用

◆ xScaleDiv()

const QwtScaleDiv & QwtPlotGrid::xScaleDiv ( ) const

获取x轴的比例划分

◆ yEnabled()

bool QwtPlotGrid::yEnabled ( ) const

检查水平网格线是否启用

◆ yMinEnabled()

bool QwtPlotGrid::yMinEnabled ( ) const

检查次要水平网格线是否启用

◆ yScaleDiv()

const QwtScaleDiv & QwtPlotGrid::yScaleDiv ( ) const

获取y轴的比例划分

该类的文档由以下文件生成:

/home/runner/work/QWT/QWT/src/plot/qwt_plot_grid.h
/home/runner/work/QWT/QWT/src/plot/qwt_plot_grid.cpp

类

Public 成员函数

额外继承的成员函数

详细描述

构造及析构函数说明

◆ QwtPlotGrid()

◆ ~QwtPlotGrid()

成员函数说明

◆ draw()

◆ enableX()

◆ enableXMin()

◆ enableY()

◆ enableYMin()

◆ majorPen()

◆ minorPen()

◆ rtti()

◆ setMajorPen() [1/2]

◆ setMajorPen() [2/2]

◆ setMinorPen() [1/2]

◆ setMinorPen() [2/2]

◆ setPen() [1/2]

◆ setPen() [2/2]

◆ setXDiv()

◆ setYDiv()

◆ updateScaleDiv()

◆ xEnabled()

◆ xMinEnabled()

◆ xScaleDiv()

◆ yEnabled()

◆ yMinEnabled()

◆ yScaleDiv()