Module qtjambi

Package io.qt.gui

Class QMatrix4x4

java.lang.Object

io.qt.QtObject

io.qt.gui.QMatrix4x4

All Implemented Interfaces:

QtObjectInterface, Cloneable

public class QMatrix4x4
extends QtObject
implements Cloneable

Represents a 4x4 transformation matrix in 3D space

Java wrapper for Qt class QMatrix4x4

Since:

This class was introduced in Qt 4.6.

Constructor Summary

Constructors

Constructor	Description
QMatrix4x4()	See QMatrix4x4::QMatrix4x4()
QMatrix4x4(float[] values)
QMatrix4x4(float m11, float m12, float m13, float m14, float m21, float m22, float m23, float m24, float m31, float m32, float m33, float m34, float m41, float m42, float m43, float m44)	See QMatrix4x4::QMatrix4x4(float,float,float,float,float,float,float,float,float,float,float,float,float,float,float,float)
QMatrix4x4(QMatrix4x4 other)	See QMatrix4x4::QMatrix4x4(QMatrix4x4)
QMatrix4x4(QTransform transform)	See QMatrix4x4::QMatrix4x4(QTransform)
QMatrix4x4(FloatBuffer values)	See QMatrix4x4::QMatrix4x4(const float*)
QMatrix4x4(FloatBuffer values, int cols, int rows)	See QMatrix4x4::QMatrix4x4(const float*,int,int)

Method Summary

Modifier and Type	Method	Description
final QMatrix4x4	add(QMatrix4x4 other)	See QMatrix4x4::operator+=(QMatrix4x4)
final QMatrix4x4	add(QTransform other)	Overloaded function for add(io.qt.gui.QMatrix4x4).
final float []	array()	See QMatrix4x4::data()const
QMatrix4x4	clone()	Creates and returns a copy of this object.
final QVector4D	column(int index)	See QMatrix4x4::column(int)const
final void	copyDataTo(float[] values)
final void	copyDataTo(FloatBuffer values)	See QMatrix4x4::copyDataTo(float*)const
final double	determinant()	See QMatrix4x4::determinant()const
final QMatrix4x4	div(float divisor)	See operator/(QMatrix4x4,float)
final QMatrix4x4	divide(float divisor)	See QMatrix4x4::operator/=(float)
final boolean	equals(QMatrix4x4 other)	See QMatrix4x4::operator==(QMatrix4x4)const
final boolean	equals(QTransform other)	Overloaded function for equals(io.qt.gui.QMatrix4x4).
boolean	equals(Object other)	See QMatrix4x4::operator==(QMatrix4x4)const
final void	fill(float value)	See QMatrix4x4::fill(float)
final void	flipCoordinates()	See QMatrix4x4::flipCoordinates()
final void	frustum(float left, float right, float bottom, float top, float nearPlane, float farPlane)	See QMatrix4x4::frustum(float,float,float,float,float,float)
int	hashCode()	Returns the objects's hash code computed by qHash(QMatrix4x4).
final QMatrix4x4	inverted()	See QMatrix4x4::inverted(bool*)const
final boolean	isAffine()	See QMatrix4x4::isAffine()const
final boolean	isIdentity()	See QMatrix4x4::isIdentity()const
final void	lookAt(QVector3D eye, QVector3D center, QVector3D up)	See QMatrix4x4::lookAt(QVector3D,QVector3D,QVector3D)
final QPoint	map(QPoint point)	See QMatrix4x4::map(QPoint)const
final QPointF	map(QPointF point)	See QMatrix4x4::map(QPointF)const
final QVector3D	map(QVector3D point)	See QMatrix4x4::map(QVector3D)const
final QVector4D	map(QVector4D point)	See QMatrix4x4::map(QVector4D)const
final QRect	mapRect(QRect rect)	See QMatrix4x4::mapRect(QRect)const
final QRectF	mapRect(QRectF rect)	See QMatrix4x4::mapRect(QRectF)const
final QVector3D	mapVector(QVector3D vector)	See QMatrix4x4::mapVector(QVector3D)const
final QMatrix4x4	minus(QMatrix4x4 m2)	See operator-(QMatrix4x4,QMatrix4x4)
final QMatrix4x4	minus(QTransform m2)	Overloaded function for minus(io.qt.gui.QMatrix4x4).
final QMatrix4x4	multiply(float factor)	See QMatrix4x4::operator*=(float)
final QMatrix4x4	multiply(QMatrix4x4 other)	See QMatrix4x4::operator*=(QMatrix4x4)
final QMatrix4x4	multiply(QTransform other)	Overloaded function for multiply(io.qt.gui.QMatrix4x4).
final QMatrix3x3	normalMatrix()	See QMatrix4x4::normalMatrix()const
final void	optimize()	See QMatrix4x4::optimize()
final void	ortho(float left, float right, float bottom, float top, float nearPlane, float farPlane)	See QMatrix4x4::ortho(float,float,float,float,float,float)
final void	ortho(QRect rect)	See QMatrix4x4::ortho(QRect)
final void	ortho(QRectF rect)	See QMatrix4x4::ortho(QRectF)
final void	perspective(float verticalAngle, float aspectRatio, float nearPlane, float farPlane)	See QMatrix4x4::perspective(float,float,float,float)
final QMatrix4x4	plus(QMatrix4x4 m2)	See operator+(QMatrix4x4,QMatrix4x4)
final QMatrix4x4	plus(QTransform m2)	Overloaded function for plus(io.qt.gui.QMatrix4x4).
static boolean	qFuzzyCompare(QMatrix4x4 m1, QMatrix4x4 m2)	See qFuzzyCompare(QMatrix4x4,QMatrix4x4)
static boolean	qFuzzyCompare(QMatrix4x4 m1, QTransform m2)	Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).
static boolean	qFuzzyCompare(QTransform m1, QMatrix4x4 m2)	Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).
static boolean	qFuzzyCompare(QTransform m1, QTransform m2)	Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).
void	readFrom(QDataStream arg__1)	See operator>>(QDataStream&,QMatrix4x4&)
final void	rotate(float angle, float x, float y)	Overloaded function for rotate(float, float, float, float) with z = 0.0f.
final void	rotate(float angle, float x, float y, float z)	See QMatrix4x4::rotate(float,float,float,float)
final void	rotate(float angle, QVector3D vector)	See QMatrix4x4::rotate(float,QVector3D)
final void	rotate(QQuaternion quaternion)	See QMatrix4x4::rotate(QQuaternion)
final QVector4D	row(int index)	See QMatrix4x4::row(int)const
final void	scale(float factor)	See QMatrix4x4::scale(float)
final void	scale(float x, float y)	See QMatrix4x4::scale(float,float)
final void	scale(float x, float y, float z)	See QMatrix4x4::scale(float,float,float)
final void	scale(QVector3D vector)	See QMatrix4x4::scale(QVector3D)
final void	setColumn(int index, QVector4D value)	See QMatrix4x4::setColumn(int,QVector4D)
final void	setRow(int index, QVector4D value)	See QMatrix4x4::setRow(int,QVector4D)
final void	setToIdentity()	See QMatrix4x4::setToIdentity()
final void	setValue(int row, int column, float value)	See QMatrix4x4::operator()(int,int)
final QMatrix4x4	subtract(QMatrix4x4 other)	See QMatrix4x4::operator-=(QMatrix4x4)
final QMatrix4x4	subtract(QTransform other)	Overloaded function for subtract(io.qt.gui.QMatrix4x4).
final QMatrix4x4	times(float factor)	See operator*(QMatrix4x4,float)
final QPoint	times(QPoint point)	See operator*(QMatrix4x4,QPoint)
final QPointF	times(QPointF point)	See operator*(QMatrix4x4,QPointF)
final QMatrix4x4	times(QMatrix4x4 m2)	See operator*(QMatrix4x4,QMatrix4x4)
final QMatrix4x4	times(QTransform m2)	Overloaded function for times(io.qt.gui.QMatrix4x4).
final QVector3D	times(QVector3D vector)	See operator*(QMatrix4x4,QVector3D)
final QVector4D	times(QVector4D vector)	See operator*(QMatrix4x4,QVector4D)
String	toString()	See operator<<(QDebug,QMatrix4x4)
final QTransform	toTransform()	See QMatrix4x4::toTransform()const
final QTransform	toTransform(float distanceToPlane)	See QMatrix4x4::toTransform(float)const
final void	translate(float x, float y)	See QMatrix4x4::translate(float,float)
final void	translate(float x, float y, float z)	See QMatrix4x4::translate(float,float,float)
final void	translate(QVector3D vector)	See QMatrix4x4::translate(QVector3D)
final QMatrix4x4	transposed()	See QMatrix4x4::transposed()const
final QMatrix4x4	unaryMinus()	See operator-(QMatrix4x4)
final float	value(int row, int column)	See QMatrix4x4::operator()(int,int)const
final void	viewport(float left, float bottom, float width, float height)	Overloaded function for viewport(float, float, float, float, float, float)
final void	viewport(float left, float bottom, float width, float height, float nearPlane)	Overloaded function for viewport(float, float, float, float, float, float) with farPlane = 1.0f.
final void	viewport(float left, float bottom, float width, float height, float nearPlane, float farPlane)	See QMatrix4x4::viewport(float,float,float,float,float,float)
final void	viewport(QRect rect)	Overloaded function for viewport(io.qt.core.QRectF).
final void	viewport(QRectF rect)	See QMatrix4x4::viewport(QRectF)
void	writeTo(QDataStream arg__1)	See operator<<(QDataStream&,QMatrix4x4)

Methods inherited from class io.qt.QtObject

dispose, isDisposed

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

QMatrix4x4

public QMatrix4x4()

See QMatrix4x4::QMatrix4x4()

QMatrix4x4

public QMatrix4x4(QMatrix4x4 other)

See QMatrix4x4::QMatrix4x4(QMatrix4x4)

Parameters:

other -

QMatrix4x4

public QMatrix4x4(QTransform transform)

See QMatrix4x4::QMatrix4x4(QTransform)

Parameters:

transform -

QMatrix4x4

public QMatrix4x4(FloatBuffer values)

See QMatrix4x4::QMatrix4x4(const float*)

Parameters:

values -

QMatrix4x4

public QMatrix4x4(FloatBuffer values,
 int cols,
 int rows)

See QMatrix4x4::QMatrix4x4(const float*,int,int)

Parameters:

values -

cols -

rows -

QMatrix4x4

public QMatrix4x4(float m11,
 float m12,
 float m13,
 float m14,
 float m21,
 float m22,
 float m23,
 float m24,
 float m31,
 float m32,
 float m33,
 float m34,
 float m41,
 float m42,
 float m43,
 float m44)

See QMatrix4x4::QMatrix4x4(float,float,float,float,float,float,float,float,float,float,float,float,float,float,float,float)

Parameters:

m11 -

m12 -

m13 -

m14 -

m21 -

m22 -

m23 -

m24 -

m31 -

m32 -

m33 -

m34 -

m41 -

m42 -

m43 -

m44 -

QMatrix4x4

public QMatrix4x4(float[] values)

Method Details

column

@QtUninvokable
public final QVector4D column(int index)

See QMatrix4x4::column(int)const

Parameters:

index -

Returns:

copyDataTo

@QtUninvokable
public final void copyDataTo(FloatBuffer values)

See QMatrix4x4::copyDataTo(float*)const

Parameters:

values -

array

@QtUninvokable
public final float [] array()

See QMatrix4x4::data()const

Returns:

determinant

@QtUninvokable
public final double determinant()

See QMatrix4x4::determinant()const

Returns:

fill

@QtUninvokable
public final void fill(float value)

See QMatrix4x4::fill(float)

Parameters:

value -

flipCoordinates

@QtUninvokable
public final void flipCoordinates()

See QMatrix4x4::flipCoordinates()

frustum

@QtUninvokable
public final void frustum(float left,
 float right,
 float bottom,
 float top,
 float nearPlane,
 float farPlane)

See QMatrix4x4::frustum(float,float,float,float,float,float)

Parameters:

left -

right -

bottom -

top -

nearPlane -

farPlane -

inverted

@QtUninvokable
public final QMatrix4x4 inverted()

See QMatrix4x4::inverted(bool*)const

Returns:

isAffine

@QtUninvokable
public final boolean isAffine()

See QMatrix4x4::isAffine()const

Returns:

Since:

This function was introduced in Qt 5.5.

isIdentity

@QtUninvokable
public final boolean isIdentity()

See QMatrix4x4::isIdentity()const

Returns:

lookAt

@QtUninvokable
public final void lookAt(QVector3D eye,
 QVector3D center,
 QVector3D up)

See QMatrix4x4::lookAt(QVector3D,QVector3D,QVector3D)

Parameters:

eye -

center -

up -

map

@QtUninvokable
public final QPoint map(QPoint point)

See QMatrix4x4::map(QPoint)const

Parameters:

point -

Returns:

map

@QtUninvokable
public final QPointF map(QPointF point)

See QMatrix4x4::map(QPointF)const

Parameters:

point -

Returns:

map

@QtUninvokable
public final QVector3D map(QVector3D point)

See QMatrix4x4::map(QVector3D)const

Parameters:

point -

Returns:

map

@QtUninvokable
public final QVector4D map(QVector4D point)

See QMatrix4x4::map(QVector4D)const

Parameters:

point -

Returns:

mapRect

@QtUninvokable
public final QRect mapRect(QRect rect)

See QMatrix4x4::mapRect(QRect)const

Parameters:

rect -

Returns:

mapRect

@QtUninvokable
public final QRectF mapRect(QRectF rect)

See QMatrix4x4::mapRect(QRectF)const

Parameters:

rect -

Returns:

mapVector

@QtUninvokable
public final QVector3D mapVector(QVector3D vector)

See QMatrix4x4::mapVector(QVector3D)const

Parameters:

vector -

Returns:

normalMatrix

@QtUninvokable
public final QMatrix3x3 normalMatrix()

See QMatrix4x4::normalMatrix()const

Returns:

setValue

@QtUninvokable
public final void setValue(int row,
 int column,
 float value)

See QMatrix4x4::operator()(int,int)

Parameters:

row -

column -

value -

value

@QtUninvokable
public final float value(int row,
 int column)

See QMatrix4x4::operator()(int,int)const

Parameters:

row -

column -

Returns:

times

@QtUninvokable
public final QMatrix4x4 times(QMatrix4x4 m2)

See operator*(QMatrix4x4,QMatrix4x4)

Parameters:

m2 -

Returns:

times

@QtUninvokable
public final QPoint times(QPoint point)

See operator*(QMatrix4x4,QPoint)

Parameters:

point -

Returns:

times

@QtUninvokable
public final QPointF times(QPointF point)

See operator*(QMatrix4x4,QPointF)

Parameters:

point -

Returns:

times

@QtUninvokable
public final QVector3D times(QVector3D vector)

See operator*(QMatrix4x4,QVector3D)

Parameters:

vector -

Returns:

times

@QtUninvokable
public final QVector4D times(QVector4D vector)

See operator*(QMatrix4x4,QVector4D)

Parameters:

vector -

Returns:

times

@QtUninvokable
public final QMatrix4x4 times(float factor)

See operator*(QMatrix4x4,float)

Parameters:

factor -

Returns:

multiply

@QtUninvokable
public final QMatrix4x4 multiply(QMatrix4x4 other)

See QMatrix4x4::operator*=(QMatrix4x4)

Parameters:

other -

Returns:

multiply

@QtUninvokable
public final QMatrix4x4 multiply(float factor)

See QMatrix4x4::operator*=(float)

Parameters:

factor -

Returns:

plus

@QtUninvokable
public final QMatrix4x4 plus(QMatrix4x4 m2)

See operator+(QMatrix4x4,QMatrix4x4)

Parameters:

m2 -

Returns:

add

@QtUninvokable
public final QMatrix4x4 add(QMatrix4x4 other)

See QMatrix4x4::operator+=(QMatrix4x4)

Parameters:

other -

Returns:

unaryMinus

@QtUninvokable
public final QMatrix4x4 unaryMinus()

See operator-(QMatrix4x4)

Returns:

minus

@QtUninvokable
public final QMatrix4x4 minus(QMatrix4x4 m2)

See operator-(QMatrix4x4,QMatrix4x4)

Parameters:

m2 -

Returns:

subtract

@QtUninvokable
public final QMatrix4x4 subtract(QMatrix4x4 other)

See QMatrix4x4::operator-=(QMatrix4x4)

Parameters:

other -

Returns:

div

@QtUninvokable
public final QMatrix4x4 div(float divisor)

See operator/(QMatrix4x4,float)

Parameters:

divisor -

Returns:

divide

@QtUninvokable
public final QMatrix4x4 divide(float divisor)

See QMatrix4x4::operator/=(float)

Parameters:

divisor -

Returns:

writeTo

@QtUninvokable
public void writeTo(QDataStream arg__1)

See operator<<(QDataStream&,QMatrix4x4)

Parameters:

arg__1 -

equals

@QtUninvokable
public final boolean equals(QMatrix4x4 other)

See QMatrix4x4::operator==(QMatrix4x4)const

Parameters:

other -

Returns:

readFrom

@QtUninvokable
public void readFrom(QDataStream arg__1)

See operator>>(QDataStream&,QMatrix4x4&)

Parameters:

arg__1 -

optimize

@QtUninvokable
public final void optimize()

See QMatrix4x4::optimize()

ortho

@QtUninvokable
public final void ortho(QRect rect)

See QMatrix4x4::ortho(QRect)

Parameters:

rect -

ortho

@QtUninvokable
public final void ortho(QRectF rect)

See QMatrix4x4::ortho(QRectF)

Parameters:

rect -

ortho

@QtUninvokable
public final void ortho(float left,
 float right,
 float bottom,
 float top,
 float nearPlane,
 float farPlane)

See QMatrix4x4::ortho(float,float,float,float,float,float)

Parameters:

left -

right -

bottom -

top -

nearPlane -

farPlane -

perspective

@QtUninvokable
public final void perspective(float verticalAngle,
 float aspectRatio,
 float nearPlane,
 float farPlane)

See QMatrix4x4::perspective(float,float,float,float)

Parameters:

verticalAngle -

aspectRatio -

nearPlane -

farPlane -

rotate

@QtUninvokable
public final void rotate(QQuaternion quaternion)

See QMatrix4x4::rotate(QQuaternion)

Parameters:

quaternion -

rotate

@QtUninvokable
public final void rotate(float angle,
 QVector3D vector)

See QMatrix4x4::rotate(float,QVector3D)

Parameters:

angle -

vector -

rotate

@QtUninvokable
public final void rotate(float angle,
 float x,
 float y,
 float z)

See QMatrix4x4::rotate(float,float,float,float)

Parameters:

angle -

x -

y -

z -

row

@QtUninvokable
public final QVector4D row(int index)

See QMatrix4x4::row(int)const

Parameters:

index -

Returns:

scale

@QtUninvokable
public final void scale(QVector3D vector)

See QMatrix4x4::scale(QVector3D)

Parameters:

vector -

scale

@QtUninvokable
public final void scale(float factor)

See QMatrix4x4::scale(float)

Parameters:

factor -

scale

@QtUninvokable
public final void scale(float x,
 float y)

See QMatrix4x4::scale(float,float)

Parameters:

x -

y -

scale

@QtUninvokable
public final void scale(float x,
 float y,
 float z)

See QMatrix4x4::scale(float,float,float)

Parameters:

x -

y -

z -

setColumn

@QtUninvokable
public final void setColumn(int index,
 QVector4D value)

See QMatrix4x4::setColumn(int,QVector4D)

Parameters:

index -

value -

setRow

@QtUninvokable
public final void setRow(int index,
 QVector4D value)

See QMatrix4x4::setRow(int,QVector4D)

Parameters:

index -

value -

setToIdentity

@QtUninvokable
public final void setToIdentity()

See QMatrix4x4::setToIdentity()

toTransform

@QtUninvokable
public final QTransform toTransform()

See QMatrix4x4::toTransform()const

Returns:

toTransform

@QtUninvokable
public final QTransform toTransform(float distanceToPlane)

See QMatrix4x4::toTransform(float)const

Parameters:

distanceToPlane -

Returns:

translate

@QtUninvokable
public final void translate(QVector3D vector)

See QMatrix4x4::translate(QVector3D)

Parameters:

vector -

translate

@QtUninvokable
public final void translate(float x,
 float y)

See QMatrix4x4::translate(float,float)

Parameters:

x -

y -

translate

@QtUninvokable
public final void translate(float x,
 float y,
 float z)

See QMatrix4x4::translate(float,float,float)

Parameters:

x -

y -

z -

transposed

@QtUninvokable
public final QMatrix4x4 transposed()

See QMatrix4x4::transposed()const

Returns:

viewport

@QtUninvokable
public final void viewport(QRectF rect)

See QMatrix4x4::viewport(QRectF)

Parameters:

rect -

viewport

@QtUninvokable
public final void viewport(float left,
 float bottom,
 float width,
 float height,
 float nearPlane,
 float farPlane)

See QMatrix4x4::viewport(float,float,float,float,float,float)

Parameters:

left -

bottom -

width -

height -

nearPlane -

farPlane -

qFuzzyCompare

public static boolean qFuzzyCompare(QMatrix4x4 m1,
 QMatrix4x4 m2)

See qFuzzyCompare(QMatrix4x4,QMatrix4x4)

Parameters:

m1 -

m2 -

Returns:

equals

@QtUninvokable
public boolean equals(Object other)

See QMatrix4x4::operator==(QMatrix4x4)const

Overrides:

equals in class QtObject

Parameters:

other - other object

Returns:

true if the native counterpart of the two objects are one and the same.

hashCode

@QtUninvokable
public int hashCode()

Returns the objects's hash code computed by qHash(QMatrix4x4).

Overrides:

hashCode in class Object

copyDataTo

@QtUninvokable
public final void copyDataTo(float[] values)

toString

@QtUninvokable
public String toString()

See operator<<(QDebug,QMatrix4x4)

Overrides:

toString in class Object

clone

@QtUninvokable
public QMatrix4x4 clone()

Creates and returns a copy of this object.

See QMatrix4x4::QMatrix4x4(QMatrix4x4)

Overrides:

clone in class Object

times

@QtUninvokable
public final QMatrix4x4 times(QTransform m2)

Overloaded function for times(io.qt.gui.QMatrix4x4).

multiply

@QtUninvokable
public final QMatrix4x4 multiply(QTransform other)

Overloaded function for multiply(io.qt.gui.QMatrix4x4).

plus

@QtUninvokable
public final QMatrix4x4 plus(QTransform m2)

Overloaded function for plus(io.qt.gui.QMatrix4x4).

add

@QtUninvokable
public final QMatrix4x4 add(QTransform other)

Overloaded function for add(io.qt.gui.QMatrix4x4).

minus

@QtUninvokable
public final QMatrix4x4 minus(QTransform m2)

Overloaded function for minus(io.qt.gui.QMatrix4x4).

subtract

@QtUninvokable
public final QMatrix4x4 subtract(QTransform other)

Overloaded function for subtract(io.qt.gui.QMatrix4x4).

equals

@QtUninvokable
public final boolean equals(QTransform other)

Overloaded function for equals(io.qt.gui.QMatrix4x4).

rotate

@QtUninvokable
public final void rotate(float angle,
 float x,
 float y)

Overloaded function for rotate(float, float, float, float) with z = 0.0f.

viewport

@QtUninvokable
public final void viewport(QRect rect)

Overloaded function for viewport(io.qt.core.QRectF).

viewport

@QtUninvokable
public final void viewport(float left,
 float bottom,
 float width,
 float height,
 float nearPlane)

Overloaded function for viewport(float, float, float, float, float, float) with farPlane = 1.0f.

viewport

@QtUninvokable
public final void viewport(float left,
 float bottom,
 float width,
 float height)

Overloaded function for viewport(float, float, float, float, float, float)

with:

• nearPlane = 0.0f
• farPlane = 1.0f

qFuzzyCompare

public static boolean qFuzzyCompare(QTransform m1,
 QMatrix4x4 m2)

Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).

qFuzzyCompare

public static boolean qFuzzyCompare(QMatrix4x4 m1,
 QTransform m2)

Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).

qFuzzyCompare

public static boolean qFuzzyCompare(QTransform m1,
 QTransform m2)

Overloaded function for qFuzzyCompare(io.qt.gui.QMatrix4x4, io.qt.gui.QMatrix4x4).