Qwt User's Guide: QwtColumnSymbol Class Reference

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Public Types | Public Member Functions | Protected Member Functions

# QwtColumnSymbol Class Reference

A drawing primitive for columns. More...

`#include <qwt_column_symbol.h>`

List of all members.

## Public Types
enum | FrameStyle { NoFrame, Plain, Raised }
enum | Style { NoStyle = -1, Box, UserStyle = 1000 }
## Public Member Functions
virtual void | draw (QPainter *, const QwtColumnRect &) const
FrameStyle | frameStyle () const
int | lineWidth () const
const QPalette & | palette () const
| QwtColumnSymbol (Style=NoStyle)
void | setFrameStyle (FrameStyle style)
void | setLineWidth (int width)
void | setPalette (const QPalette &)
void | setStyle (Style)
Style | style () const
virtual | ~QwtColumnSymbol ()
## 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:

  NoFrame | No frame.
  Plain | A plain frame style.
  Raised | A raised frame style.

enum QwtColumnSymbol::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.

## Constructor & Destructor Documentation

QwtColumnSymbol::QwtColumnSymbol | ( | Style | style = `NoStyle` | ) |

Constructor

Parameters:

  style | Style of the symbol

See also:
  setStyle(), style(), Style

QwtColumnSymbol::~QwtColumnSymbol | ( |  | ) | `[virtual]`

Destructor.

## 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()