A transparent canvas for QwtPlot 更多...

类 QwtPlotTransparentCanvas 继承关系图:

Public 成员函数
	QwtPlotTransparentCanvas (QwtPlot *plot=nullptr)
	Constructor

	~QwtPlotTransparentCanvas () override
	Destructor

Public 成员函数继承自 QwtPlotAbstractCanvas
	QwtPlotAbstractCanvas (QWidget *canvasWidget)
	Constructor

QwtPlot *	plot ()
	Return parent plot widget

const QwtPlot *	plot () const
	Return parent plot widget

void	setFocusIndicator (FocusIndicator)
	Set the focus indicator

FocusIndicator	focusIndicator () const
	Get the focus indicator

void	setBorderRadius (double)
	Set the radius for the corners of the border frame

double	borderRadius () const
	Get the radius for the corners of the border frame

Protected 成员函数
virtual void	paintEvent (QPaintEvent *event) override
	Paint event handler

virtual void	drawBorder (QPainter *painter) override
	Draw the border

virtual QPainterPath	borderPath (const QRect &rect) const
	Get the border path

Protected 成员函数继承自 QwtPlotAbstractCanvas
QWidget *	canvasWidget ()

const QWidget *	canvasWidget () const

virtual void	drawFocusIndicator (QPainter *)
	Draw the focus indication

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

额外继承的成员函数
Public 类型继承自 QwtPlotAbstractCanvas
enum	FocusIndicator { NoFocusIndicator , CanvasFocusIndicator , ItemFocusIndicator }
	Focus indicator 更多...

详细描述

A transparent canvas for QwtPlot

QwtPlotTransparentCanvas provides a transparent canvas for QwtPlot that allows the background to show through.

构造及析构函数说明

QwtPlotTransparentCanvas::QwtPlotTransparentCanvas ( QwtPlot * plot = nullptr )

explicit

Constructor

参数

[in] plot Parent plot widget

void QwtPlotTransparentCanvas::drawBorder ( QPainter * painter )

overrideprotectedvirtual

Draw the border

该类的文档由以下文件生成: