QwtPainterCommand Class Reference

#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
ImageData *	imageData ()
const ImageData *	imageData () const
QwtPainterCommand &	operator= (const QwtPainterCommand &)
QPainterPath *	path ()
const QPainterPath *	path () const
PixmapData *	pixmapData ()
const PixmapData *	pixmapData () const
	QwtPainterCommand ()
	Construct an invalid command. More...
	QwtPainterCommand (const QwtPainterCommand &)
	QwtPainterCommand (const QPainterPath &)
	Copy constructor. More...
	QwtPainterCommand (const QRectF &rect, const QPixmap &, const QRectF &subRect)
	QwtPainterCommand (const QRectF &rect, const QImage &, const QRectF &subRect, Qt::ImageConversionFlags)
	QwtPainterCommand (const QPaintEngineState &)
StateData *	stateData ()
const StateData *	stateData () const
Type	type () const
	~QwtPainterCommand ()
	Destructor. More...

Private Member Functions
void	copy (const QwtPainterCommand &)
void	reset ()

Private Attributes
union {
ImageData *   d_imageData
QPainterPath *   d_path
PixmapData *   d_pixmapData
StateData *   d_stateData
};
Type	d_type

Detailed Description

QwtPainterCommand represents the attributes of a paint operation how it is used between QPainter and QPaintDevice

It is used by QwtGraphic to record and replay paint operations

See also

QwtGraphic::commands()

Definition at line 30 of file qwt_painter_command.h.

Member Enumeration Documentation

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.

Definition at line 34 of file qwt_painter_command.h.

Constructor & Destructor Documentation

QwtPainterCommand::QwtPainterCommand

(

)

Construct an invalid command.

Definition at line 13 of file qwt_painter_command.cpp.

QwtPainterCommand::QwtPainterCommand

(

const QwtPainterCommand &

other

)

Copy constructor

Parameters

other

Command to be copied

Definition at line 128 of file qwt_painter_command.cpp.

QwtPainterCommand::QwtPainterCommand ( const QPainterPath &  path )

explicit

Copy constructor.

Definition at line 19 of file qwt_painter_command.cpp.

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

Constructor for Pixmap paint operation

Parameters

rect	Target rectangle
pixmap	Pixmap
subRect	Rectangle inside the pixmap

See also

QPainter::drawPixmap()

Definition at line 34 of file qwt_painter_command.cpp.

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

Constructor for Image paint operation

Parameters

rect	Target rectangle
image	Image
subRect	Rectangle inside the image
flags	Conversion flags

See also

QPainter::drawImage()

Definition at line 54 of file qwt_painter_command.cpp.

QwtPainterCommand::QwtPainterCommand ( const QPaintEngineState &  state )

explicit

Constructor for State paint operation

Parameters

state

Paint engine state

Definition at line 70 of file qwt_painter_command.cpp.

QwtPainterCommand::~QwtPainterCommand

(

)

Destructor.

Definition at line 134 of file qwt_painter_command.cpp.

Member Function Documentation

void QwtPainterCommand::copy ( const QwtPainterCommand &  other )

private

Definition at line 153 of file qwt_painter_command.cpp.

QwtPainterCommand::ImageData * QwtPainterCommand::imageData

(

)

Returns

Attributes how to paint a QImage

Definition at line 228 of file qwt_painter_command.cpp.

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

inline

Returns

Attributes how to paint a QImage

Definition at line 161 of file qwt_painter_command.h.

QwtPainterCommand & QwtPainterCommand::operator=

(

const QwtPainterCommand &

other

)

Assignment operator

Parameters

other

Command to be copied

Returns

Modified command

Definition at line 145 of file qwt_painter_command.cpp.

QPainterPath * QwtPainterCommand::path

(

)

Returns

Painter path to be painted

Definition at line 216 of file qwt_painter_command.cpp.

const QPainterPath * QwtPainterCommand::path ( ) const

inline

Returns

Painter path to be painted

Definition at line 147 of file qwt_painter_command.h.

QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData

(

)

Returns

Attributes how to paint a QPixmap

Definition at line 222 of file qwt_painter_command.cpp.

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

inline

Returns

Attributes how to paint a QPixmap

Definition at line 154 of file qwt_painter_command.h.

void QwtPainterCommand::reset ( )

private

Definition at line 184 of file qwt_painter_command.cpp.

QwtPainterCommand::StateData * QwtPainterCommand::stateData

(

)

Returns

Attributes of a state change

Definition at line 234 of file qwt_painter_command.cpp.

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

inline

Returns

Attributes of a state change

Definition at line 168 of file qwt_painter_command.h.

QwtPainterCommand::Type QwtPainterCommand::type ( ) const

inline

Returns

Type of the command

Definition at line 141 of file qwt_painter_command.h.

Member Data Documentation

union { ... }

ImageData* QwtPainterCommand::d_imageData

Definition at line 135 of file qwt_painter_command.h.

QPainterPath* QwtPainterCommand::d_path

Definition at line 133 of file qwt_painter_command.h.

PixmapData* QwtPainterCommand::d_pixmapData

Definition at line 134 of file qwt_painter_command.h.

StateData* QwtPainterCommand::d_stateData

Definition at line 136 of file qwt_painter_command.h.

Type QwtPainterCommand::d_type

private

Definition at line 129 of file qwt_painter_command.h.

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

• qwt_painter_command.h
• qwt_painter_command.cpp