QwtPainterCommand Class Reference

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

#include <qwt_painter_command.h>

Classes
struct	ImageData
	Attributes how to paint a QImage. More...
struct	PixmapData
	Attributes how to paint a QPixmap. More...
struct	StateData
	Attributes of a state change. More...

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

Public Member Functions
	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

Detailed Description

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.

See also

QwtGraphic::commands()

Member Enumeration Documentation

Type

enum QwtPainterCommand::Type

Type of the paint command.

Enumerator
Invalid	Invalid command.
Path	Draw a QPainterPath.
Pixmap	Draw a QPixmap.
Image	Draw a QImage.
State	QPainter state change.

Constructor & Destructor Documentation

QwtPainterCommand() [1/6]

QwtPainterCommand::QwtPainterCommand

(

const QwtPainterCommand &

other

)

Copy constructor.

Parameters

[in]

other

Command to be copied

QwtPainterCommand() [2/6]

QwtPainterCommand::QwtPainterCommand ( QwtPainterCommand &&  other )

noexcept

Move constructor.

Parameters

[in]

other

Command to be moved from

QwtPainterCommand() [3/6]

QwtPainterCommand::QwtPainterCommand ( const QPainterPath &  path )

explicit

Construct a path command.

Parameters

[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.

Parameters

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

See also

QPainter::drawPixmap()

QwtPainterCommand() [5/6]

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

Constructor for Image paint operation.

Parameters

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

See also

QPainter::drawImage()

QwtPainterCommand() [6/6]

QwtPainterCommand::QwtPainterCommand ( const QPaintEngineState &  state )

explicit

Constructor for State paint operation.

Parameters

[in]

state

Paint engine state

Member Function Documentation

imageData() [1/2]

QwtPainterCommand::ImageData * QwtPainterCommand::imageData

(

)

Returns

Attributes how to paint a QImage

imageData() [2/2]

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

inline

Returns

Attributes how to paint a QImage

operator=() [1/2]

QwtPainterCommand & QwtPainterCommand::operator=

(

const QwtPainterCommand &

other

)

Assignment operator.

Parameters

[in]

other

Command to be copied

Returns

Modified command

operator=() [2/2]

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

noexcept

Move assignment operator.

Parameters

[in]

other

Command to be moved from

Returns

Reference to this command

path() [1/2]

QPainterPath * QwtPainterCommand::path

(

)

Returns

Painter path to be painted

path() [2/2]

const QPainterPath * QwtPainterCommand::path ( ) const

inline

Returns

Painter path to be painted

pixmapData() [1/2]

QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData

(

)

Returns

Attributes how to paint a QPixmap

pixmapData() [2/2]

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

inline

Returns

Attributes how to paint a QPixmap

stateData() [1/2]

QwtPainterCommand::StateData * QwtPainterCommand::stateData

(

)

Returns

Attributes of a state change

stateData() [2/2]

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

inline

Returns

Attributes of a state change

type()

QwtPainterCommand::Type QwtPainterCommand::type ( ) const

inline

Returns

Type of the command

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

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