Qwt User's Guide  6.1.6
QwtPainterCommand Class Reference

#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. More...
 

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.
 
QwtPainterCommandoperator= (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

◆ 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() [1/4]

QwtPainterCommand::QwtPainterCommand ( const QwtPainterCommand other)

Copy constructor

Parameters
otherCommand to be copied

◆ QwtPainterCommand() [2/4]

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

Constructor for Pixmap paint operation

Parameters
rectTarget rectangle
pixmapPixmap
subRectRectangle inside the pixmap
See also
QPainter::drawPixmap()

◆ QwtPainterCommand() [3/4]

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

Constructor for Image paint operation

Parameters
rectTarget rectangle
imageImage
subRectRectangle inside the image
flagsConversion flags
See also
QPainter::drawImage()

◆ QwtPainterCommand() [4/4]

QwtPainterCommand::QwtPainterCommand ( const QPaintEngineState &  state)

Constructor for State paint operation

Parameters
statePaint 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=()

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

Assignment operator

Parameters
otherCommand to be copied
Returns
Modified 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