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QwtCompassMagnetNeedle
Langue: en
Version: 380939 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Member Enumeration Documentation
- Constructor & Destructor Documentation
- Member Function Documentation
- void QwtCompassMagnetNeedle::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup colorGroup = QPalette::Active) const [virtual]Draw the needle
- void QwtCompassMagnetNeedle::drawPointer (QPainter * painter, const QBrush & brush, int colorOffset, const QPoint & center, int length, int width, double direction) [static, protected]Draw a compass needle
- void QwtCompassMagnetNeedle::drawThinNeedle (QPainter * painter, const QPalette & palette, QPalette::ColorGroup colorGroup, const QPoint & center, int length, double direction) [static]Draw a compass needle
- void QwtCompassMagnetNeedle::drawTriangleNeedle (QPainter * painter, const QPalette & palette, QPalette::ColorGroup colorGroup, const QPoint & center, int length, double direction) [static]Draw a compass needle
- Author
NAME
QwtCompassMagnetNeedle -A magnet needle for compass widgets.
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)
virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const
Static Public Member Functions
static void drawTriangleNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)
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)
See also:
- QwtDial, QwtCompass
Member Enumeration Documentation
enum QwtCompassMagnetNeedle::Style
Style of the needle.
Constructor & Destructor Documentation
QwtCompassMagnetNeedle::QwtCompassMagnetNeedle (Style style = TriangleStyle, const QColor & light = Qt::white, const QColor & dark = Qt::red)
Constructor.
Member Function Documentation
void QwtCompassMagnetNeedle::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup colorGroup = 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, int colorOffset, const QPoint & center, int length, int width, double direction) [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::ColorGroup colorGroup, const QPoint & center, int length, double direction) [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::ColorGroup colorGroup, const QPoint & center, int length, double direction) [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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