Qwt User's Guide 6.3.0
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QwtColumnSymbol Class Reference

A drawing primitive for columns. More...

#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.

Definition at line 74 of file qwt_column_symbol.h.

Member Enumeration Documentation

◆ FrameStyle

Frame Style used in Box style().

See also
Style, setFrameStyle(), frameStyle(), setStyle(), setPalette()
Enumerator
NoFrame 

No frame.

Plain 

A plain frame style.

Raised 

A raised frame style.

Definition at line 104 of file qwt_column_symbol.h.

◆ Style

Style

See also
setStyle(), style()
Enumerator
NoStyle 

No Style, the symbol draws nothing.

Box 

The column is painted with a frame depending on the frameStyle() and lineWidth() using the palette().

UserStyle 

Styles >= QwtColumnSymbol::UserStyle are reserved for derived classes of QwtColumnSymbol that overload draw() with additional application specific symbol types.

Definition at line 81 of file qwt_column_symbol.h.

Constructor & Destructor Documentation

◆ QwtColumnSymbol()

QwtColumnSymbol::QwtColumnSymbol ( Style style = NoStyle)
explicit

Constructor

Parameters
styleStyle of the symbol
See also
setStyle(), style(), Style

Definition at line 135 of file qwt_column_symbol.cpp.

◆ ~QwtColumnSymbol()

QwtColumnSymbol::~QwtColumnSymbol ( )
virtual

Destructor.

Definition at line 142 of file qwt_column_symbol.cpp.

Member Function Documentation

◆ draw()

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

Draw the symbol depending on its style.

Parameters
painterPainter
rectDirected rectangle
See also
drawBox()

Definition at line 238 of file qwt_column_symbol.cpp.

◆ drawBox()

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

Draw the symbol when it is in Box style.

Parameters
painterPainter
rectDirected rectangle
See also
draw()

Definition at line 264 of file qwt_column_symbol.cpp.

◆ frameStyle()

QwtColumnSymbol::FrameStyle QwtColumnSymbol::frameStyle ( ) const
Returns
Current frame style, that is used for the Box style.
See also
setFrameStyle(), lineWidth(), setStyle()

Definition at line 202 of file qwt_column_symbol.cpp.

◆ lineWidth()

int QwtColumnSymbol::lineWidth ( ) const
Returns
Line width of the frame, that is used for the Box style.
See also
setLineWidth(), frameStyle(), setStyle()

Definition at line 225 of file qwt_column_symbol.cpp.

◆ palette()

const QPalette & QwtColumnSymbol::palette ( ) const
Returns
Current palette
See also
setPalette()

Definition at line 182 of file qwt_column_symbol.cpp.

◆ setFrameStyle()

void QwtColumnSymbol::setFrameStyle ( FrameStyle frameStyle)

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

Parameters
frameStyleFrame style
See also
frameStyle(), setLineWidth(), setStyle()

Definition at line 193 of file qwt_column_symbol.cpp.

◆ setLineWidth()

void QwtColumnSymbol::setLineWidth ( int width)

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

Parameters
widthWidth
See also
lineWidth(), setFrameStyle()

Definition at line 213 of file qwt_column_symbol.cpp.

◆ setPalette()

void QwtColumnSymbol::setPalette ( const QPalette & palette)

Assign a palette for the symbol

Parameters
palettePalette
See also
palette(), setStyle()

Definition at line 173 of file qwt_column_symbol.cpp.

◆ setStyle()

void QwtColumnSymbol::setStyle ( Style style)

Specify the symbol style

Parameters
styleStyle
See also
style(), setPalette()

Definition at line 153 of file qwt_column_symbol.cpp.

◆ style()

QwtColumnSymbol::Style QwtColumnSymbol::style ( ) const
Returns
Current symbol style
See also
setStyle()

Definition at line 162 of file qwt_column_symbol.cpp.