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QwtColumnSymbol(3) Qwt User's Guide QwtColumnSymbol(3)

NAME

QwtColumnSymbol - A drawing primitive for columns.

SYNOPSIS

#include <qwt_column_symbol.h>

Public Types


enum Style { NoStyle = -1, Box, UserStyle = 1000 }
enum FrameStyle { NoFrame, Plain, Raised }

Public Member Functions


QwtColumnSymbol (Style=NoStyle)
virtual ~QwtColumnSymbol ()
Destructor. void setFrameStyle (FrameStyle)
FrameStyle frameStyle () const
void setLineWidth (int width)
int lineWidth () const
void setPalette (const QPalette &)
const QPalette & palette () const
void setStyle (Style)
Style style () const
virtual void draw (QPainter *, const QwtColumnRect &) const

Protected Member Functions


void drawBox (QPainter *, const QwtColumnRect &) const

Detailed Description

A drawing primitive for columns.

Member Enumeration Documentation

enum QwtColumnSymbol::FrameStyle

Frame Style used in Box style().

See also:

Style, setFrameStyle(), frameStyle(), setStyle(), setPalette()

Enumerator

No frame.
A plain frame style.
A raised frame style.

enum QwtColumnSymbol::Style

Style

See also:

setStyle(), style()

Enumerator

No Style, the symbol draws nothing.
The column is painted with a frame depending on the frameStyle() and lineWidth() using the palette().
Styles >= QwtColumnSymbol::UserStyle are reserved for derived classes of QwtColumnSymbol that overload draw() with additional application specific symbol types.

Constructor & Destructor Documentation

QwtColumnSymbol::QwtColumnSymbol (Style style = NoStyle)

Constructor

Parameters:

style Style of the symbol

See also:

setStyle(), style(), Style

Member Function Documentation

void QwtColumnSymbol::draw (QPainter * painter, const QwtColumnRect & rect) const [virtual]

Draw the symbol depending on its style.

Parameters:

painter Painter
rect Directed rectangle

See also:

drawBox()

void QwtColumnSymbol::drawBox (QPainter * painter, const QwtColumnRect & rect) const [protected]

Draw the symbol when it is in Box style.

Parameters:

painter Painter
rect Directed rectangle

See also:

draw()

QwtColumnSymbol::FrameStyle QwtColumnSymbol::frameStyle () const

Returns:

Current frame style, that is used for the Box style.

See also:

setFrameStyle(), lineWidth(), setStyle()

int QwtColumnSymbol::lineWidth () const

Returns:

Line width of the frame, that is used for the Box style.

See also:

setLineWidth(), frameStyle(), setStyle()

const QPalette & QwtColumnSymbol::palette () const

Returns:

Current palette

See also:

setPalette()

void QwtColumnSymbol::setFrameStyle (FrameStyle frameStyle)

Set the frame, that is used for the Box style.

Parameters:

frameStyle Frame style

See also:

frameStyle(), setLineWidth(), setStyle()

void QwtColumnSymbol::setLineWidth (int width)

Set the line width of the frame, that is used for the Box style.

Parameters:

width Width

See also:

lineWidth(), setFrameStyle()

void QwtColumnSymbol::setPalette (const QPalette & palette)

Assign a palette for the symbol

Parameters:

palette Palette

See also:

palette(), setStyle()

void QwtColumnSymbol::setStyle (Style style)

Specify the symbol style

Parameters:

style Style

See also:

style(), setPalette()

QwtColumnSymbol::Style QwtColumnSymbol::style () const

Returns:

Current symbol style

See also:

setStyle()

Author

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Wed Jan 2 2019 Version 6.1.4