QwtCompassWindArrow(3)

💨 QwtCompassWindArrow — the QwtCompassWindArrow(3) page 💨

okay bestie so we're in the Qwt User's Guide manual, page 3 of the QwtCompassWindArrow saga, and it's giving "wind vane but make it C++" 🌬️✨

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✨ NAME ✨

QwtCompassWindArrow — like, that's the whole name, no subtitle, no extra lore, just vibes 💅

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🌸 SYNOPSIS 🌸

#include <qwt_dial_needle.h>

Inherits QwtDialNeedle. Yeah she's part of the family, we love an inheritance moment 🫶

🎀 Public Types 🎀

• enum Style { Style1, Style2 } — literally just two styles. pick your fighter.

🦋 Public Member Functions 🦋

• QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray)
• virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const

💜 Static Public Member Functions 💜

• static void drawStyle1Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)
• static void drawStyle2Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)

🌈 Additional Inherited Members 🌈

(yes queen, she also got the whole inherited set from QwtDialNeedle — no cap, they're just not re-listed here 💖)

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👑 Detailed Description 👑

An indicator for the wind direction. That's it. That's the job. main character energy fr fr 🌪️

QwtCompassWindArrow shows the direction where the wind comes from — so like, the origin, the source, the birthplace of the breeze 💨

• QColorGroup::Light — Used for Style1, or the light half of Style2
• QColorGroup::Dark — Used for the dark half of Style2

See also:

• QwtDial
• QwtCompass

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🛠️ Constructor & Destructor Documentation 🛠️

QwtCompassWindArrow::QwtCompassWindArrow (Stylestyle, const QColor &light = Qt::white, const QColor &dark = Qt::gray)

Constructor ✨ (yes, she's constructed, she's built different)

Parameters:

• style — Arrow style
• light — Light color
• dark — Dark color

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💅 Member Function Documentation 💅

void QwtCompassWindArrow::draw (QPainter *painter, const QPoint &center, intlength, doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [virtual]

Draw the needle 🪡 okay so this is THE moment, this is where the needle actually gets drawn

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. 🫶

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void QwtCompassWindArrow::drawStyle1Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static]

Draw a compass needle 🧭 (Style 1 edition, iconic behavior)

Parameters:

• painter — Painter
• palette — Palette
• colorGroup — colorGroup
• center — Center of the dial, start position for the needle
• length — Length of the needle
• direction — Direction of the needle, in degrees counter clockwise

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void QwtCompassWindArrow::drawStyle2Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static]

Draw a compass needle 🧭 (Style 2 edition, the sequel, the encore, the remix 💖)

Parameters:

• painter — Painter
• palette — Palette
• colorGroup — colorGroup
• center — Center of the dial, start position for the needle
• length — Length of the needle
• direction — Direction of the needle, in degrees counter clockwise

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🌟 Author 🌟

Generated automatically by Doxygen for Qwt User's Guide from the source code. (not a human author, just Doxygen doing its lil autopilot thing, we stan a generator 🤖💕)

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and that's the whole page bestie, you ate that 💅✨

okay so before you go — this was Version 5.2.3, dated Tue Nov 20 2012, from the Qwt User's Guide, and it was QwtCompassWindArrow(3) the whole time 🌈⭐💖 bye ily, go draw a wind arrow 🍓🧚