QwtPlotAbstractCanvas类 参考

所有类型绘图画布的基类 更多...

#include <qwt_plot_abstract_canvas.h>

类 QwtPlotAbstractCanvas 继承关系图:

类
class	PrivateData

Public 类型
enum	FocusIndicator { NoFocusIndicator , CanvasFocusIndicator , ItemFocusIndicator }
	焦点指示器 更多...

Public 成员函数
	QwtPlotAbstractCanvas (QWidget *canvasWidget)
	构造函数
virtual	~QwtPlotAbstractCanvas ()
	析构函数
QwtPlot *	plot ()
	返回父绘图部件
const QwtPlot *	plot () const
	返回父绘图部件
void	setFocusIndicator (FocusIndicator)
	设置焦点指示器
FocusIndicator	focusIndicator () const
	获取焦点指示器
void	setBorderRadius (double)
	设置边框框架角落的半径
double	borderRadius () const
	获取边框框架角落的半径

Protected 成员函数
QWidget *	canvasWidget ()
const QWidget *	canvasWidget () const
virtual void	drawFocusIndicator (QPainter *)
	Draw the focus indication
virtual void	drawBorder (QPainter *)
	Draw the border of the canvas
virtual void	drawBackground (QPainter *)
	Helper function for the derived plot canvas
void	fillBackground (QPainter *)
	Helper function for the derived plot canvas
void	drawCanvas (QPainter *)
	Draw the plot to the canvas
void	drawStyled (QPainter *, bool)
	Helper function for the derived plot canvas
void	drawUnstyled (QPainter *)
	Helper function for the derived plot canvas
QPainterPath	canvasBorderPath (const QRect &rect) const
void	updateStyleSheetInfo ()
	Update the cached information about the current style sheet

详细描述

所有类型绘图画布的基类

成员枚举类型说明

FocusIndicator

enum QwtPlotAbstractCanvas::FocusIndicator

焦点指示器

枚举值
NoFocusIndicator	不绘制焦点指示器
CanvasFocusIndicator	焦点与整个画布相关。 使用 drawFocusIndicator() 绘制焦点指示器
ItemFocusIndicator	焦点与画布上的项目（曲线、点等）相关。 由应用程序决定如何显示焦点指示，例如通过高亮。

构造及析构函数说明

QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::QwtPlotAbstractCanvas ( QWidget *  canvasWidget )

explicit

构造函数

~QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::~QwtPlotAbstractCanvas ( )

virtual

析构函数

成员函数说明

borderRadius()

double QwtPlotAbstractCanvas::borderRadius

(

)

const

获取边框框架角落的半径

canvasBorderPath()

QPainterPath QwtPlotAbstractCanvas::canvasBorderPath ( const QRect &  rect ) const

protected

返回

Path for the canvas border

canvasWidget() [1/2]

QWidget * QwtPlotAbstractCanvas::canvasWidget ( )

protected

返回

canvas widget

canvasWidget() [2/2]

const QWidget * QwtPlotAbstractCanvas::canvasWidget ( ) const

protected

返回

canvas widget

drawBorder()

void QwtPlotAbstractCanvas::drawBorder ( QPainter *  painter )

protectedvirtual

Draw the border of the canvas

参数

painter

Painter

被 QwtPlotCanvas , 以及 QwtPlotTransparentCanvas 重载.

drawFocusIndicator()

void QwtPlotAbstractCanvas::drawFocusIndicator ( QPainter *  painter )

protectedvirtual

Draw the focus indication

参数

painter

Painter

focusIndicator()

QwtPlotAbstractCanvas::FocusIndicator QwtPlotAbstractCanvas::focusIndicator

(

)

const

获取焦点指示器

plot() [1/2]

QwtPlot * QwtPlotAbstractCanvas::plot

(

)

返回父绘图部件

plot() [2/2]

const QwtPlot * QwtPlotAbstractCanvas::plot

(

)

const

返回父绘图部件

setBorderRadius()

void QwtPlotAbstractCanvas::setBorderRadius

(

double

radius

)

设置边框框架角落的半径

setFocusIndicator()

void QwtPlotAbstractCanvas::setFocusIndicator

(

FocusIndicator

focusIndicator

)

设置焦点指示器

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该类的文档由以下文件生成:

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