A transparent canvas for QwtPlot. More...

Inheritance diagram for QwtPlotTransparentCanvas:

Public Member Functions
	QwtPlotTransparentCanvas (QwtPlot *plot=nullptr)
	Constructor.

	~QwtPlotTransparentCanvas () override
	Destructor.

Public Member Functions inherited from 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 Member Functions
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 Member Functions inherited from 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.

Additional Inherited Members
Public Types inherited from QwtPlotAbstractCanvas
enum	FocusIndicator { NoFocusIndicator , CanvasFocusIndicator , ItemFocusIndicator }
	Focus indicator. More...

Detailed Description

A transparent canvas for QwtPlot.

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

Constructor & Destructor Documentation

QwtPlotTransparentCanvas::QwtPlotTransparentCanvas ( QwtPlot * plot = nullptr )

explicit

Constructor.

Parameters

[in] plot Parent plot widget

void QwtPlotTransparentCanvas::drawBorder ( QPainter * painter )

overrideprotectedvirtual

Draw the border.

The documentation for this class was generated from the following files: