QVector4D Class Reference

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Detailed Description

Definition at line 60 of file qvector4d.h.

#include <qvector4d.h>

List of all members.

Public Member Functions
	QVector4D ()
	QVector4D (qreal xpos, qreal ypos, qreal zpos, qreal wpos)
	QVector4D (const QPoint &point)
	QVector4D (const QPointF &point)
	QVector4D (const QVector2D &vector)
	QVector4D (const QVector2D &vector, qreal zpos, qreal wpos)
	QVector4D (const QVector3D &vector)
	QVector4D (const QVector3D &vector, qreal wpos)
bool	isNull () const
qreal	x () const
qreal	y () const
qreal	z () const
qreal	w () const
void	setX (qreal x)
void	setY (qreal y)
void	setZ (qreal z)
void	setW (qreal w)
qreal	length () const
qreal	lengthSquared () const
QVector4D	normalized () const
void	normalize ()
QVector4D &	operator+= (const QVector4D &vector)
QVector4D &	operator-= (const QVector4D &vector)
QVector4D &	operator*= (qreal factor)
QVector4D &	operator*= (const QVector4D &vector)
QVector4D &	operator/= (qreal divisor)
QVector2D	toVector2D () const
QVector2D	toVector2DAffine () const
QVector3D	toVector3D () const
QVector3D	toVector3DAffine () const
QPoint	toPoint () const
QPointF	toPointF () const
	operator QVariant () const
Static Public Member Functions
static qreal	dotProduct (const QVector4D &v1, const QVector4D &v2)
Friends
class	QVector2D
class	QVector3D
bool	operator== (const QVector4D &v1, const QVector4D &v2)
bool	operator!= (const QVector4D &v1, const QVector4D &v2)
const QVector4D	operator+ (const QVector4D &v1, const QVector4D &v2)
const QVector4D	operator- (const QVector4D &v1, const QVector4D &v2)
const QVector4D	operator* (qreal factor, const QVector4D &vector)
const QVector4D	operator* (const QVector4D &vector, qreal factor)
const QVector4D	operator* (const QVector4D &v1, const QVector4D &v2)
const QVector4D	operator- (const QVector4D &vector)
const QVector4D	operator/ (const QVector4D &vector, qreal divisor)
bool	qFuzzyCompare (const QVector4D &v1, const QVector4D &v2)
QVector4D	operator* (const QVector4D &vector, const QMatrix4x4 &matrix)
QVector4D	operator* (const QMatrix4x4 &matrix, const QVector4D &vector)

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Constructor & Destructor Documentation

QVector4D

(

)

[inline]

Definition at line 143 of file qvector4d.h.

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

QVector4D	(	qreal	xpos,
		qreal	ypos,
		qreal	zpos,
		qreal	wpos
	)		[inline]

Definition at line 145 of file qvector4d.h.

: xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}

QVector4D

(

const QPoint &

point

)

[inline, explicit]

Definition at line 149 of file qvector4d.h.

: xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}

QVector4D

(

const QPointF &

point

)

[inline, explicit]

Definition at line 151 of file qvector4d.h.

: xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}

QVector4D

(

const QVector2D &

vector

)

QVector4D	(	const QVector2D &	vector,
		qreal	zpos,
		qreal	wpos
	)

QVector4D

(

const QVector3D &

vector

)

QVector4D	(	const QVector3D &	vector,
		qreal	wpos
	)

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Member Function Documentation

bool isNull

(

)

const [inline]

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Definition at line 153 of file qvector4d.h.

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

qreal x

(

)

const [inline]

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Definition at line 158 of file qvector4d.h.

{ return qreal(xp); }

qreal y

(

)

const [inline]

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Definition at line 159 of file qvector4d.h.

{ return qreal(yp); }

qreal z

(

)

const [inline]

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Definition at line 160 of file qvector4d.h.

{ return qreal(zp); }

qreal w

(

)

const [inline]

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Definition at line 161 of file qvector4d.h.

{ return qreal(wp); }

void setX

(

qreal

x

)

[inline]

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Definition at line 163 of file qvector4d.h.

{ xp = aX; }

void setY

(

qreal

y

)

[inline]

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Definition at line 164 of file qvector4d.h.

{ yp = aY; }

void setZ

(

qreal

z

)

[inline]

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Definition at line 165 of file qvector4d.h.

{ zp = aZ; }

void setW

(

qreal

w

)

[inline]

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Definition at line 166 of file qvector4d.h.

{ wp = aW; }

qreal length

(

)

const

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qreal lengthSquared

(

)

const

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QVector4D normalized

(

)

const

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void normalize

(

)

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QVector4D & operator+=

(

const QVector4D &

vector

)

[inline]

Definition at line 168 of file qvector4d.h.

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

QVector4D & operator-=

(

const QVector4D &

vector

)

[inline]

Definition at line 177 of file qvector4d.h.

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

QVector4D & operator*=

(

qreal

factor

)

[inline]

Definition at line 186 of file qvector4d.h.

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

QVector4D & operator*=

(

const QVector4D &

vector

)

[inline]

Definition at line 195 of file qvector4d.h.

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

QVector4D & operator/=

(

qreal

divisor

)

[inline]

Definition at line 204 of file qvector4d.h.

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

static qreal dotProduct	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[static]

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QVector2D toVector2D

(

)

const

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QVector2D toVector2DAffine

(

)

const

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QVector3D toVector3D

(

)

const

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QVector3D toVector3DAffine

(

)

const

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QPoint toPoint

(

)

const [inline]

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Definition at line 266 of file qvector4d.h.

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

QPointF toPointF

(

)

const [inline]

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Definition at line 271 of file qvector4d.h.

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

operator QVariant

(

)

const

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Friends And Related Function Documentation

friend class QVector2D [friend]

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Definition at line 133 of file qvector4d.h.

friend class QVector3D [friend]

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Definition at line 134 of file qvector4d.h.

bool operator==	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

Definition at line 213 of file qvector4d.h.

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

bool operator!=	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

Definition at line 218 of file qvector4d.h.

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

const QVector4D operator+	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

Definition at line 223 of file qvector4d.h.

{
    return QVector4D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, v1.wp + v2.wp, 1);
}

const QVector4D operator-	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

Definition at line 228 of file qvector4d.h.

{
    return QVector4D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, v1.wp - v2.wp, 1);
}

const QVector4D operator*	(	qreal	factor,
		const QVector4D &	vector
	)		[friend]

Definition at line 233 of file qvector4d.h.

{
    return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor, 1);
}

const QVector4D operator*	(	const QVector4D &	vector,
		qreal	factor
	)		[friend]

Definition at line 238 of file qvector4d.h.

{
    return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor, 1);
}

const QVector4D operator*	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

Definition at line 243 of file qvector4d.h.

{
    return QVector4D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, v1.wp * v2.wp, 1);
}

const QVector4D operator-

(

const QVector4D &

vector

)

[friend]

Definition at line 248 of file qvector4d.h.

{
    return QVector4D(-vector.xp, -vector.yp, -vector.zp, -vector.wp, 1);
}

const QVector4D operator/	(	const QVector4D &	vector,
		qreal	divisor
	)		[friend]

Definition at line 253 of file qvector4d.h.

{
    return QVector4D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, vector.wp / divisor, 1);
}

bool qFuzzyCompare	(	const QVector4D &	v1,
		const QVector4D &	v2
	)		[friend]

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Definition at line 258 of file qvector4d.h.

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

QVector4D operator*	(	const QVector4D &	vector,
		const QMatrix4x4 &	matrix
	)		[friend]

Definition at line 683 of file qmatrix4x4.h.

{
    qreal x, y, z, w;
    x = vector.x() * matrix.m[0][0] +
        vector.y() * matrix.m[0][1] +
        vector.z() * matrix.m[0][2] +
        vector.w() * matrix.m[0][3];
    y = vector.x() * matrix.m[1][0] +
        vector.y() * matrix.m[1][1] +
        vector.z() * matrix.m[1][2] +
        vector.w() * matrix.m[1][3];
    z = vector.x() * matrix.m[2][0] +
        vector.y() * matrix.m[2][1] +
        vector.z() * matrix.m[2][2] +
        vector.w() * matrix.m[2][3];
    w = vector.x() * matrix.m[3][0] +
        vector.y() * matrix.m[3][1] +
        vector.z() * matrix.m[3][2] +
        vector.w() * matrix.m[3][3];
    return QVector4D(x, y, z, w);
}

QVector4D operator*	(	const QMatrix4x4 &	matrix,
		const QVector4D &	vector
	)		[friend]

Definition at line 705 of file qmatrix4x4.h.

{
    qreal x, y, z, w;
    x = vector.x() * matrix.m[0][0] +
        vector.y() * matrix.m[1][0] +
        vector.z() * matrix.m[2][0] +
        vector.w() * matrix.m[3][0];
    y = vector.x() * matrix.m[0][1] +
        vector.y() * matrix.m[1][1] +
        vector.z() * matrix.m[2][1] +
        vector.w() * matrix.m[3][1];
    z = vector.x() * matrix.m[0][2] +
        vector.y() * matrix.m[1][2] +
        vector.z() * matrix.m[2][2] +
        vector.w() * matrix.m[3][2];
    w = vector.x() * matrix.m[0][3] +
        vector.y() * matrix.m[1][3] +
        vector.z() * matrix.m[2][3] +
        vector.w() * matrix.m[3][3];
    return QVector4D(x, y, z, w);
}

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

• QtGui/qvector4d.h