QwtPainterCommand类 参考

Represents the attributes of a paint operation between QPainter and QPaintDevice 更多...

#include <qwt_painter_command.h>

类
struct	ImageData
	Attributes how to paint a QImage 更多...
struct	PixmapData
	Attributes how to paint a QPixmap 更多...
struct	StateData
	Attributes of a state change 更多...

Public 类型
enum	Type {   Invalid = -1 , Path , Pixmap , Image ,   State }
	Type of the paint command 更多...

Public 成员函数
	QwtPainterCommand ()
	Construct an invalid command
	QwtPainterCommand (const QwtPainterCommand &)
	Copy constructor
	QwtPainterCommand (QwtPainterCommand &&) noexcept
	Move constructor
	QwtPainterCommand (const QPainterPath &)
	Construct a path command
	QwtPainterCommand (const QRectF &rect, const QPixmap &, const QRectF &subRect)
	Constructor for Pixmap paint operation
	QwtPainterCommand (const QRectF &rect, const QImage &, const QRectF &subRect, Qt::ImageConversionFlags)
	Constructor for Image paint operation
	QwtPainterCommand (const QPaintEngineState &)
	Constructor for State paint operation
	~QwtPainterCommand ()
	Destructor
QwtPainterCommand &	operator= (const QwtPainterCommand &)
	Assignment operator
QwtPainterCommand &	operator= (QwtPainterCommand &&) noexcept
	Move assignment operator
Type	type () const
QPainterPath *	path ()
const QPainterPath *	path () const
PixmapData *	pixmapData ()
const PixmapData *	pixmapData () const
ImageData *	imageData ()
const ImageData *	imageData () const
StateData *	stateData ()
const StateData *	stateData () const

详细描述

Represents the attributes of a paint operation between QPainter and QPaintDevice

QwtPainterCommand encapsulates different types of paint operations including drawing paths, pixmaps, images, and state changes. It is used by QwtGraphic to record and replay paint operations.

参见

QwtGraphic::commands()

成员枚举类型说明

Type

enum QwtPainterCommand::Type

Type of the paint command

枚举值
Invalid	Invalid command
Path	Draw a QPainterPath
Pixmap	Draw a QPixmap
Image	Draw a QImage
State	QPainter state change

构造及析构函数说明

QwtPainterCommand() [1/6]

QwtPainterCommand::QwtPainterCommand

(

const QwtPainterCommand &

other

)

Copy constructor

参数

[in]

other

Command to be copied

QwtPainterCommand() [2/6]

QwtPainterCommand::QwtPainterCommand ( QwtPainterCommand &&  other )

noexcept

Move constructor

参数

[in]

other

Command to be moved from

QwtPainterCommand() [3/6]

QwtPainterCommand::QwtPainterCommand ( const QPainterPath &  path )

explicit

Construct a path command

参数

[in]

path

QPainterPath to be painted

QwtPainterCommand() [4/6]

QwtPainterCommand::QwtPainterCommand	(	const QRectF &	rect,
		const QPixmap &	pixmap,
		const QRectF &	subRect
	)

Constructor for Pixmap paint operation

参数

[in]	rect	Target rectangle
[in]	pixmap	Pixmap to draw
[in]	subRect	Rectangle inside the pixmap

参见

QPainter::drawPixmap()

QwtPainterCommand() [5/6]

QwtPainterCommand::QwtPainterCommand	(	const QRectF &	rect,
		const QImage &	image,
		const QRectF &	subRect,
		Qt::ImageConversionFlags	flags
	)

Constructor for Image paint operation

参数

[in]	rect	Target rectangle
[in]	image	Image to draw
[in]	subRect	Rectangle inside the image
[in]	flags	Conversion flags

参见

QPainter::drawImage()

QwtPainterCommand() [6/6]

QwtPainterCommand::QwtPainterCommand ( const QPaintEngineState &  state )

explicit

Constructor for State paint operation

参数

[in]

state

Paint engine state

成员函数说明

imageData() [1/2]

QwtPainterCommand::ImageData * QwtPainterCommand::imageData

(

)

返回

Attributes how to paint a QImage

imageData() [2/2]

const QwtPainterCommand::ImageData * QwtPainterCommand::imageData ( ) const

inline

返回

Attributes how to paint a QImage

operator=() [1/2]

QwtPainterCommand & QwtPainterCommand::operator=

(

const QwtPainterCommand &

other

)

Assignment operator

参数

[in]

other

Command to be copied

返回

Modified command

operator=() [2/2]

QwtPainterCommand & QwtPainterCommand::operator= ( QwtPainterCommand &&  other )

noexcept

Move assignment operator

参数

[in]

other

Command to be moved from

返回

Reference to this command

path() [1/2]

QPainterPath * QwtPainterCommand::path

(

)

返回

Painter path to be painted

path() [2/2]

const QPainterPath * QwtPainterCommand::path ( ) const

inline

返回

Painter path to be painted

pixmapData() [1/2]

QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData

(

)

返回

Attributes how to paint a QPixmap

pixmapData() [2/2]

const QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData ( ) const

inline

返回

Attributes how to paint a QPixmap

stateData() [1/2]

QwtPainterCommand::StateData * QwtPainterCommand::stateData

(

)

返回

Attributes of a state change

stateData() [2/2]

const QwtPainterCommand::StateData * QwtPainterCommand::stateData ( ) const

inline

返回

Attributes of a state change

type()

QwtPainterCommand::Type QwtPainterCommand::type ( ) const

inline

返回

Type of the command

---

该类的文档由以下文件生成:

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