QwtPlotAbstractCanvas类 参考

Base class for all type of plot canvases 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 }
	Focus indicator 更多...

Public 成员函数
	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
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

Base class for all type of plot canvases

成员枚举类型说明

FocusIndicator

enum QwtPlotAbstractCanvas::FocusIndicator

Focus indicator

The default setting is NoFocusIndicator

参见

setFocusIndicator(), focusIndicator(), drawFocusIndicator()

枚举值
NoFocusIndicator	Don't paint a focus indicator
CanvasFocusIndicator	The focus is related to the complete canvas. Paint the focus indicator using drawFocusIndicator()
ItemFocusIndicator	The focus is related to an item (curve, point, ...) on the canvas. It is up to the application to display a focus indication using e.g. highlighting.

构造及析构函数说明

QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::QwtPlotAbstractCanvas ( QWidget *  canvasWidget )

explicit

Constructor

参数

[in]

canvasWidget

plot canvas widget

Destructor

成员函数说明

borderRadius()

double QwtPlotAbstractCanvas::borderRadius

(

)

const

Get the radius for the corners of the border frame

返回

Radius for the corners of the border frame

参见

setBorderRadius()

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

Get the focus indicator

返回

Focus indicator

参见

FocusIndicator, setFocusIndicator()

plot() [1/2]

QwtPlot * QwtPlotAbstractCanvas::plot

(

)

Return parent plot widget

返回

Parent plot widget

plot() [2/2]

const QwtPlot * QwtPlotAbstractCanvas::plot

(

)

const

Return parent plot widget

返回

Parent plot widget

setBorderRadius()

void QwtPlotAbstractCanvas::setBorderRadius

(

double

radius

)

Set the radius for the corners of the border frame

参数

[in]

radius

Radius of a rounded corner

参见

borderRadius()

setFocusIndicator()

void QwtPlotAbstractCanvas::setFocusIndicator

(

FocusIndicator

focusIndicator

)

Set the focus indicator

参数

[in]

focusIndicator

Focus indicator type

参见

FocusIndicator, focusIndicator()

---

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