QVector2D Class Reference

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Detailed Description

Definition at line 60 of file qvector2d.h.

#include <qvector2d.h>

List of all members.

Public Member Functions
	QVector2D ()
	QVector2D (qreal xpos, qreal ypos)
	QVector2D (const QPoint &point)
	QVector2D (const QPointF &point)
	QVector2D (const QVector3D &vector)
	QVector2D (const QVector4D &vector)
bool	isNull () const
qreal	x () const
qreal	y () const
void	setX (qreal x)
void	setY (qreal y)
qreal	length () const
qreal	lengthSquared () const
QVector2D	normalized () const
void	normalize ()
QVector2D &	operator+= (const QVector2D &vector)
QVector2D &	operator-= (const QVector2D &vector)
QVector2D &	operator*= (qreal factor)
QVector2D &	operator*= (const QVector2D &vector)
QVector2D &	operator/= (qreal divisor)
QVector3D	toVector3D () const
QVector4D	toVector4D () const
QPoint	toPoint () const
QPointF	toPointF () const
	operator QVariant () const
Static Public Member Functions
static qreal	dotProduct (const QVector2D &v1, const QVector2D &v2)
Friends
class	QVector3D
class	QVector4D
bool	operator== (const QVector2D &v1, const QVector2D &v2)
bool	operator!= (const QVector2D &v1, const QVector2D &v2)
const QVector2D	operator+ (const QVector2D &v1, const QVector2D &v2)
const QVector2D	operator- (const QVector2D &v1, const QVector2D &v2)
const QVector2D	operator* (qreal factor, const QVector2D &vector)
const QVector2D	operator* (const QVector2D &vector, qreal factor)
const QVector2D	operator* (const QVector2D &v1, const QVector2D &v2)
const QVector2D	operator- (const QVector2D &vector)
const QVector2D	operator/ (const QVector2D &vector, qreal divisor)
bool	qFuzzyCompare (const QVector2D &v1, const QVector2D &v2)

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Constructor & Destructor Documentation

QVector2D

(

)

[inline]

Definition at line 131 of file qvector2d.h.

: xp(0.0f), yp(0.0f) {}

QVector2D	(	qreal	xpos,
		qreal	ypos
	)		[inline]

Definition at line 135 of file qvector2d.h.

: xp(xpos), yp(ypos) {}

QVector2D

(

const QPoint &

point

)

[inline, explicit]

Definition at line 137 of file qvector2d.h.

: xp(point.x()), yp(point.y()) {}

QVector2D

(

const QPointF &

point

)

[inline, explicit]

Definition at line 139 of file qvector2d.h.

: xp(point.x()), yp(point.y()) {}

QVector2D

(

const QVector3D &

vector

)

[explicit]

QVector2D

(

const QVector4D &

vector

)

[explicit]

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Member Function Documentation

bool isNull

(

)

const [inline]

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Definition at line 141 of file qvector2d.h.

{
    return qIsNull(xp) && qIsNull(yp);
}

qreal x

(

)

const [inline]

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Definition at line 146 of file qvector2d.h.

{ return qreal(xp); }

qreal y

(

)

const [inline]

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Definition at line 147 of file qvector2d.h.

{ return qreal(yp); }

void setX

(

qreal

x

)

[inline]

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Definition at line 149 of file qvector2d.h.

{ xp = aX; }

void setY

(

qreal

y

)

[inline]

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Definition at line 150 of file qvector2d.h.

{ yp = aY; }

qreal length

(

)

const

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qreal lengthSquared

(

)

const

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QVector2D normalized

(

)

const

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void normalize

(

)

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QVector2D & operator+=

(

const QVector2D &

vector

)

[inline]

Definition at line 152 of file qvector2d.h.

{
    xp += vector.xp;
    yp += vector.yp;
    return *this;
}

QVector2D & operator-=

(

const QVector2D &

vector

)

[inline]

Definition at line 159 of file qvector2d.h.

{
    xp -= vector.xp;
    yp -= vector.yp;
    return *this;
}

QVector2D & operator*=

(

qreal

factor

)

[inline]

Definition at line 166 of file qvector2d.h.

{
    xp *= factor;
    yp *= factor;
    return *this;
}

QVector2D & operator*=

(

const QVector2D &

vector

)

[inline]

Definition at line 173 of file qvector2d.h.

{
    xp *= vector.xp;
    yp *= vector.yp;
    return *this;
}

QVector2D & operator/=

(

qreal

divisor

)

[inline]

Definition at line 180 of file qvector2d.h.

{
    xp /= divisor;
    yp /= divisor;
    return *this;
}

static qreal dotProduct	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[static]

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QVector3D toVector3D

(

)

const

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QVector4D toVector4D

(

)

const

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QPoint toPoint

(

)

const [inline]

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Definition at line 237 of file qvector2d.h.

{
    return QPoint(qRound(xp), qRound(yp));
}

QPointF toPointF

(

)

const [inline]

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Definition at line 242 of file qvector2d.h.

{
    return QPointF(qreal(xp), qreal(yp));
}

operator QVariant

(

)

const

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Friends And Related Function Documentation

friend class QVector3D [friend]

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Definition at line 125 of file qvector2d.h.

friend class QVector4D [friend]

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Definition at line 126 of file qvector2d.h.

bool operator==	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

Definition at line 187 of file qvector2d.h.

{
    return v1.xp == v2.xp && v1.yp == v2.yp;
}

bool operator!=	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

Definition at line 192 of file qvector2d.h.

{
    return v1.xp != v2.xp || v1.yp != v2.yp;
}

const QVector2D operator+	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

Definition at line 197 of file qvector2d.h.

{
    return QVector2D(v1.xp + v2.xp, v1.yp + v2.yp, 1);
}

const QVector2D operator-	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

Definition at line 202 of file qvector2d.h.

{
    return QVector2D(v1.xp - v2.xp, v1.yp - v2.yp, 1);
}

const QVector2D operator*	(	qreal	factor,
		const QVector2D &	vector
	)		[friend]

Definition at line 207 of file qvector2d.h.

{
    return QVector2D(vector.xp * factor, vector.yp * factor, 1);
}

const QVector2D operator*	(	const QVector2D &	vector,
		qreal	factor
	)		[friend]

Definition at line 212 of file qvector2d.h.

{
    return QVector2D(vector.xp * factor, vector.yp * factor, 1);
}

const QVector2D operator*	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

Definition at line 217 of file qvector2d.h.

{
    return QVector2D(v1.xp * v2.xp, v1.yp * v2.yp, 1);
}

const QVector2D operator-

(

const QVector2D &

vector

)

[friend]

Definition at line 222 of file qvector2d.h.

{
    return QVector2D(-vector.xp, -vector.yp, 1);
}

const QVector2D operator/	(	const QVector2D &	vector,
		qreal	divisor
	)		[friend]

Definition at line 227 of file qvector2d.h.

{
    return QVector2D(vector.xp / divisor, vector.yp / divisor, 1);
}

bool qFuzzyCompare	(	const QVector2D &	v1,
		const QVector2D &	v2
	)		[friend]

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Definition at line 232 of file qvector2d.h.

{
    return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp);
}

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The documentation for this class was generated from the following file:

• QtGui/qvector2d.h