QwtPainterCommand

NAME

QwtPainterCommand

SYNOPSIS

#include <qwt_painter_command.h>

Classes

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

Public Types

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

Public Member Functions

QwtPainterCommand ()
Construct an invalid command.
QwtPainterCommand (const QwtPainterCommand &)
QwtPainterCommand (const QPainterPath &)
Copy constructor.
QwtPainterCommand (const QRectF &rect, const QPixmap &, const QRectF &subRect)
QwtPainterCommand (const QRectF &rect, const QImage &, const QRectF &subRect, Qt::ImageConversionFlags)
QwtPainterCommand (const QPaintEngineState &)
˜QwtPainterCommand ()
Destructor.
QwtPainterCommand & operator= (const QwtPainterCommand &)
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

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()

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.

Constructor & Destructor Documentation

QwtPainterCommand::QwtPainterCommand (const QwtPainterCommand & other)

Copy constructor

Parameters:

other Command to be copied

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()

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()

QwtPainterCommand::QwtPainterCommand (const QPaintEngineState & state)

Constructor for State paint operation

Parameters:

state Paint engine state

Member Function Documentation

QwtPainterCommand::ImageData * QwtPainterCommand::imageData ()

Returns:

Attributes how to paint a QImage

const QwtPainterCommand::ImageData * QwtPainterCommand::imageData () const[inline]

Returns:

Attributes how to paint a QImage

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

Assignment operator

Parameters:

other Command to be copied

Returns:

Modified command

QPainterPath * QwtPainterCommand::path ()

Returns:

Painter path to be painted

const QPainterPath * QwtPainterCommand::path () const [inline]

Returns:

Painter path to be painted

QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData ()

Returns:

Attributes how to paint a QPixmap

const QwtPainterCommand::PixmapData * QwtPainterCommand::pixmapData () const[inline]

Returns:

Attributes how to paint a QPixmap

QwtPainterCommand::StateData * QwtPainterCommand::stateData ()

Returns:

Attributes of a state change

const QwtPainterCommand::StateData * QwtPainterCommand::stateData () const[inline]

Returns:

Attributes of a state change

QwtPainterCommand::Type QwtPainterCommand::type () const [inline]

Returns:

Type of the command

Author

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