table of contents
conflicting packages
QwtDialNeedle(3) | Qwt User's Guide | QwtDialNeedle(3) |
NAME¶
QwtDialNeedle -SYNOPSIS¶
#include <qwt_dial_needle.h> Inherited by QwtCompassMagnetNeedle, QwtCompassWindArrow, and QwtDialSimpleNeedle.Public Member Functions¶
QwtDialNeedle ()
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
Member Function Documentation¶
virtual void QwtDialNeedle::draw (QPainter *painter, const QPoint ¢er, intlength, doubledirection, QPalette::ColorGroupcg = 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 QwtCompassWindArrow, QwtCompassMagnetNeedle, and
QwtDialSimpleNeedle.
const QPalette & QwtDialNeedle::palette () const¶
Returns: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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