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QwtDialNeedle
Langue: en
Version: 373865 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Constructor & Destructor Documentation
- Member Function Documentation
- virtual void QwtDialNeedle::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup cg = QPalette::Active) const [pure virtual]Draw the needle
- void QwtDialNeedle::drawKnob (QPainter * painter, const QPoint & pos, int width, const QBrush & brush, bool sunken) [static, protected]
- const QPalette & QwtDialNeedle::palette () constReturns:
- void QwtDialNeedle::setPalette (const QPalette & palette) [virtual]Sets the palette for the needle.
- Author
NAME
QwtDialNeedle -Base class for needles that can be used in a QwtDial.
SYNOPSIS
#include <qwt_dial_needle.h>
Inherited by QwtCompassMagnetNeedle, QwtCompassWindArrow, and QwtDialSimpleNeedle.
Public Member Functions
QwtDialNeedle ()
virtual ~QwtDialNeedle ()
virtual void draw (QPainter *painter, const QPoint ¢er, int length, double direction, QPalette::ColorGroup cg=QPalette::Active) const =0
virtual void setPalette (const QPalette &)
const QPalette & palette () const
Static Protected Member Functions
static void drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken)
Detailed Description
Base class for needles that can be used in a QwtDial.
QwtDialNeedle is a pointer that indicates a value by pointing to a specific direction.
Qwt is missing a set of good looking needles. Contributions are very welcome.
See also:
- QwtDial, QwtCompass
Constructor & Destructor Documentation
QwtDialNeedle::QwtDialNeedle ()
Constructor.
QwtDialNeedle::~QwtDialNeedle () [virtual]
Destructor.
Member Function Documentation
virtual void QwtDialNeedle::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup cg = QPalette::Active) const [pure virtual]Draw the needle
Parameters:
- painter Painter
center Center of the dial, start position for the needle
length Length of the needle
direction Direction of the needle, in degrees counter clockwise
cg Color group, used for painting
Implemented in QwtDialSimpleNeedle, QwtCompassMagnetNeedle, and QwtCompassWindArrow.
void QwtDialNeedle::drawKnob (QPainter * painter, const QPoint & pos, int width, const QBrush & brush, bool sunken) [static, protected]
Draw the knob.
const QPalette & QwtDialNeedle::palette () constReturns:
- the palette of the needle.
void QwtDialNeedle::setPalette (const QPalette & palette) [virtual]Sets the palette for the needle.
Parameters:
- palette New Palette
Author
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Contenus ©2006-2024 Benjamin Poulain
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