table of contents
conflicting packages
QwtCompassMagnetNeedle(3) | Qwt User's Guide | QwtCompassMagnetNeedle(3) |
NAME¶
QwtCompassMagnetNeedle -SYNOPSIS¶
#include <qwt_dial_needle.h> Inherits QwtDialNeedle.Public Types¶
enum Style { TriangleStyle, ThinStyle }
Public Member Functions¶
QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)
Static Public Member Functions¶
static void drawThinNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)
Static Protected Member Functions¶
static void drawPointer (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint ¢er, int length, int width, double direction)
Detailed Description¶
A magnet needle for compass widgets. A magnet needle points to two opposite directions indicating north and south. The following colors are used:- •
- QColorGroup::Light
Used for pointing south
- •
- QColorGroup::Dark
Used for pointing north
- •
- QColorGroup::Base
Knob (ThinStyle only)
QwtDial, QwtCompass
Member Function Documentation¶
void QwtCompassMagnetNeedle::draw (QPainter *painter, const QPoint ¢er, intlength, doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [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
colorGroup Color group, used for painting
Implements QwtDialNeedle.
void QwtCompassMagnetNeedle::drawPointer (QPainter *painter, const QBrush &brush, intcolorOffset, const QPoint ¢er, intlength, intwidth, doubledirection) [static], [protected]¶
Draw a compass needle Parameters:painter Painter
brush Brush
colorOffset Color offset
center Center, where the needle starts
length Length of the needle
width Width of the needle
direction Direction
void QwtCompassMagnetNeedle::drawThinNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint ¢er, intlength, doubledirection) [static]¶
Draw a compass needle Parameters:painter Painter
palette Palette
colorGroup Color group
center Center, where the needle starts
length Length of the needle
direction Direction
void QwtCompassMagnetNeedle::drawTriangleNeedle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint ¢er, intlength, doubledirection) [static]¶
Draw a compass needle Parameters:painter Painter
palette Palette
colorGroup Color group
center Center, where the needle starts
length Length of the needle
direction Direction
Author¶
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