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QtGui.QMatrix4x4 Class Reference

The QMatrix4x4 class represents a 4x4 transformation matrix in 3D space. More...

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Public Member Functions

override bool Equals (object o)
 
override int GetHashCode ()
 
 QMatrix4x4 ()
 
 
 QMatrix4x4 (QTransform transform)
 
 
 QMatrix4x4 (QMatrix matrix)
 
 
 QMatrix4x4 (QMatrix4x4 copy)
 
 
 QMatrix4x4 (ref double values)
 
 
 QMatrix4x4 (ref double values, int cols, int rows)
 
 
 QMatrix4x4 (double m11, double m12, double m13, double m14, double m21, double m22, double m23, double m24, double m31, double m32, double m33, double m34, double m41, double m42, double m43, double m44)
 
 
virtual void CreateProxy ()
 
new QVector4D Column (int index)
 
 
new double ConstData ()
 
 
new void CopyDataTo (ref double values)
 
 
new double Data ()
 
 
new double Determinant ()
 
 
new void Fill (double value)
 
 
new void FlipCoordinates ()
 
 
new void Frustum (double left, double right, double bottom, double top, double nearPlane, double farPlane)
 
 
new QMatrix4x4 Inverted ()
 
 
new QMatrix4x4 Inverted (ref bool invertible)
 
 
new bool IsIdentity ()
 
 
new void LookAt (QVector3D eye, QVector3D center, QVector3D up)
 
 
new QPoint Map (QPoint point)
 
 
new QPointF Map (QPointF point)
 
 
new QVector3D Map (QVector3D point)
 
 
new QVector4D Map (QVector4D point)
 
 
new QRect MapRect (QRect rect)
 
 
new QRectF MapRect (QRectF rect)
 
 
new QVector3D MapVector (QVector3D vector)
 
 
new void Optimize ()
 
 
new void Ortho (QRect rect)
 
 
new void Ortho (QRectF rect)
 
 
new void Ortho (double left, double right, double bottom, double top, double nearPlane, double farPlane)
 
 
new void Perspective (double angle, double aspect, double nearPlane, double farPlane)
 
 
new void Rotate (QQuaternion quaternion)
 
 
new void Rotate (double angle, QVector3D vector)
 
 
new void Rotate (double angle, double x, double y, double z=0.0f)
 
 
new QVector4D Row (int index)
 
 
new void Scale (QVector3D vector)
 
 
new void Scale (double factor)
 
 
new void Scale (double x, double y)
 
 
new void Scale (double x, double y, double z)
 
 
new void SetColumn (int index, QVector4D value)
 
 
new void SetRow (int index, QVector4D value)
 
 
new void SetToIdentity ()
 
 
new QMatrix ToAffine ()
 
 
new QTransform ToTransform ()
 
 
new QTransform ToTransform (double distanceToPlane)
 
 
new void Translate (QVector3D vector)
 
 
new void Translate (double x, double y)
 
 
new void Translate (double x, double y, double z)
 
 
new QMatrix4x4 Transposed ()
 
 
new void Dispose ()
 

Static Public Member Functions

static QMatrix4x4 operator* (QMatrix4x4 arg1, QMatrix4x4 arg2)
 
 
static QVector4D operator* (QMatrix4x4 arg1, QVector4D arg2)
 
 
static QPoint operator* (QMatrix4x4 arg1, QPoint arg2)
 
 
static QPointF operator* (QMatrix4x4 arg1, QPointF arg2)
 
 
static QVector3D operator* (QMatrix4x4 arg1, QVector3D arg2)
 
 
static QMatrix4x4 operator* (QMatrix4x4 arg1, double arg2)
 
 
static QMatrix4x4 operator+ (QMatrix4x4 arg1, QMatrix4x4 arg2)
 
 
static QMatrix4x4 operator- (QMatrix4x4 arg1)
 
 
static QMatrix4x4 operator- (QMatrix4x4 arg1, QMatrix4x4 arg2)
 
 
static QMatrix4x4 operator/ (QMatrix4x4 arg1, double arg2)
 
 
static bool operator!= (QMatrix4x4 arg1, QMatrix4x4 arg2)
 
 
static bool operator== (QMatrix4x4 arg1, QMatrix4x4 arg2)
 
 

Protected Member Functions

 QMatrix4x4 (System.Type dummy)
 

Protected Attributes

SmokeInvocation interceptor
 

Properties

virtual System.IntPtr SmokeObject [get, set]
 

Detailed Description

The QMatrix4x4 class represents a 4x4 transformation matrix in 3D space.

See also QVector3D and QGenericMatrix.

Constructor & Destructor Documentation

QtGui.QMatrix4x4.QMatrix4x4 ( System.Type  dummy)
protected
QtGui.QMatrix4x4.QMatrix4x4 ( )

Constructs an identity matrix.

QtGui.QMatrix4x4.QMatrix4x4 ( QTransform  transform)

Constructs a 4x4 matrix from the conventional Qt 2D transformation matrix transform.

If transform has a special type (identity, translate, scale, etc), the programmer should follow this constructor with a call to optimize() if they wish QMatrix4x4 to optimize further calls to translate(), scale(), etc.

See also toTransform() and optimize().

QtGui.QMatrix4x4.QMatrix4x4 ( QMatrix  matrix)

Constructs a 4x4 matrix from a conventional Qt 2D affine transformation matrix.

If matrix has a special type (identity, translate, scale, etc), the programmer should follow this constructor with a call to optimize() if they wish QMatrix4x4 to optimize further calls to translate(), scale(), etc.

See also toAffine() and optimize().

QtGui.QMatrix4x4.QMatrix4x4 ( QMatrix4x4  copy)

Constructs an identity matrix.

QtGui.QMatrix4x4.QMatrix4x4 ( ref double  values)

Constructs an identity matrix.

QtGui.QMatrix4x4.QMatrix4x4 ( ref double  values,
int  cols,
int  rows 
)

Constructs an identity matrix.

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

Constructs an identity matrix.

Member Function Documentation

new QVector4D QtGui.QMatrix4x4.Column ( int  index)

Returns the elements of column index as a 4D vector.

See also setColumn() and row().

new double QtGui.QMatrix4x4.ConstData ( )

Returns a constant pointer to the raw data of this matrix.

See also data().

new void QtGui.QMatrix4x4.CopyDataTo ( ref double  values)

Retrieves the 16 items in this matrix and copies them to values in row-major order.

virtual void QtGui.QMatrix4x4.CreateProxy ( )
virtual
new double QtGui.QMatrix4x4.Data ( )

Returns a pointer to the raw data of this matrix.

See also constData() and optimize().

new double QtGui.QMatrix4x4.Determinant ( )

Returns the determinant of this matrix.

new void QtGui.QMatrix4x4.Dispose ( )
override bool QtGui.QMatrix4x4.Equals ( object  o)
new void QtGui.QMatrix4x4.Fill ( double  value)

Fills all elements of this matrx with value.

new void QtGui.QMatrix4x4.FlipCoordinates ( )

Flips between right-handed and left-handed coordinate systems by multiplying the y and z co-ordinates by -1. This is normally used to create a left-handed orthographic view without scaling the viewport as ortho() does.

See also ortho().

new void QtGui.QMatrix4x4.Frustum ( double  left,
double  right,
double  bottom,
double  top,
double  nearPlane,
double  farPlane 
)

Multiplies this matrix by another that applies a perspective frustum projection for a window with lower-left corner (left, bottom), upper-right corner (right, top), and the specified nearPlane and farPlane clipping planes.

See also ortho() and perspective().

override int QtGui.QMatrix4x4.GetHashCode ( )
new QMatrix4x4 QtGui.QMatrix4x4.Inverted ( )

Returns the inverse of this matrix. Returns the identity if this matrix cannot be inverted; i.e. determinant() is zero. If invertible is not null, then true will be written to that location if the matrix can be inverted; false otherwise.

If the matrix is recognized as the identity or an orthonormal matrix, then this function will quickly invert the matrix using optimized routines.

See also determinant() and normalMatrix().

new QMatrix4x4 QtGui.QMatrix4x4.Inverted ( ref bool  invertible)

Returns the inverse of this matrix. Returns the identity if this matrix cannot be inverted; i.e. determinant() is zero. If invertible is not null, then true will be written to that location if the matrix can be inverted; false otherwise.

If the matrix is recognized as the identity or an orthonormal matrix, then this function will quickly invert the matrix using optimized routines.

See also determinant() and normalMatrix().

new bool QtGui.QMatrix4x4.IsIdentity ( )

Returns true if this matrix is the identity; false otherwise.

See also setToIdentity().

new void QtGui.QMatrix4x4.LookAt ( QVector3D  eye,
QVector3D  center,
QVector3D  up 
)

Multiplies this matrix by another that applies an eye position transformation. The center value indicates the center of the view that the eye is looking at. The up value indicates which direction should be considered up with respect to the eye.

new QPoint QtGui.QMatrix4x4.Map ( QPoint  point)

Maps point by multiplying this matrix by point.

See also mapRect().

new QPointF QtGui.QMatrix4x4.Map ( QPointF  point)

Maps point by multiplying this matrix by point.

See also mapRect().

new QVector3D QtGui.QMatrix4x4.Map ( QVector3D  point)

Maps point by multiplying this matrix by point.

See also mapRect() and mapVector().

new QVector4D QtGui.QMatrix4x4.Map ( QVector4D  point)

Maps point by multiplying this matrix by point.

See also mapRect().

new QRect QtGui.QMatrix4x4.MapRect ( QRect  rect)

Maps rect by multiplying this matrix by the corners of rect and then forming a new rectangle from the results. The returned rectangle will be an ordinary 2D rectangle with sides parallel to the horizontal and vertical axes.

See also map().

new QRectF QtGui.QMatrix4x4.MapRect ( QRectF  rect)

Maps rect by multiplying this matrix by the corners of rect and then forming a new rectangle from the results. The returned rectangle will be an ordinary 2D rectangle with sides parallel to the horizontal and vertical axes.

See also map().

new QVector3D QtGui.QMatrix4x4.MapVector ( QVector3D  vector)

Maps vector by multiplying the top 3x3 portion of this matrix by vector. The translation and projection components of this matrix are ignored.

See also map().

static bool QtGui.QMatrix4x4.operator!= ( QMatrix4x4  arg1,
QMatrix4x4  arg2 
)
static

Returns true if this matrix is not identical to other; false otherwise. This operator uses an exact floating-point comparison.

static QMatrix4x4 QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
QMatrix4x4  arg2 
)
static

Returns the product of m1 and m2.

static QVector4D QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
QVector4D  arg2 
)
static

Returns the product of m1 and m2.

static QPoint QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
QPoint  arg2 
)
static

Returns the product of m1 and m2.

static QPointF QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
QPointF  arg2 
)
static

Returns the product of m1 and m2.

static QVector3D QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
QVector3D  arg2 
)
static

Returns the product of m1 and m2.

static QMatrix4x4 QtGui.QMatrix4x4.operator* ( QMatrix4x4  arg1,
double  arg2 
)
static

Returns the product of m1 and m2.

static QMatrix4x4 QtGui.QMatrix4x4.operator+ ( QMatrix4x4  arg1,
QMatrix4x4  arg2 
)
static

Returns the sum of m1 and m2.

static QMatrix4x4 QtGui.QMatrix4x4.operator- ( QMatrix4x4  arg1)
static

This is an overloaded function.

Returns the negation of matrix.

static QMatrix4x4 QtGui.QMatrix4x4.operator- ( QMatrix4x4  arg1,
QMatrix4x4  arg2 
)
static

Returns the difference of m1 and m2.

static QMatrix4x4 QtGui.QMatrix4x4.operator/ ( QMatrix4x4  arg1,
double  arg2 
)
static

Returns the result of dividing all elements of matrix by divisor.

static bool QtGui.QMatrix4x4.operator== ( QMatrix4x4  arg1,
QMatrix4x4  arg2 
)
static

Returns true if this matrix is identical to other; false otherwise. This operator uses an exact floating-point comparison.

new void QtGui.QMatrix4x4.Optimize ( )

Optimize the usage of this matrix from its current elements.

Some operations such as translate(), scale(), and rotate() can be performed more efficiently if the matrix being modified is already known to be the identity, a previous translate(), a previous scale(), etc.

Normally the QMatrix4x4 class keeps track of this special type internally as operations are performed. However, if the matrix is modified directly with operator()() or data(), then QMatrix4x4 will lose track of the special type and will revert to the safest but least efficient operations thereafter.

By calling optimize() after directly modifying the matrix, the programmer can force QMatrix4x4 to recover the special type if the elements appear to conform to one of the known optimized types.

See also operator()(), data(), and translate().

new void QtGui.QMatrix4x4.Ortho ( QRect  rect)

This is an overloaded function.

Multiplies this matrix by another that applies an orthographic projection for a window with boundaries specified by rect. The near and far clipping planes will be -1 and 1 respectively.

See also frustum() and perspective().

new void QtGui.QMatrix4x4.Ortho ( QRectF  rect)

This is an overloaded function.

Multiplies this matrix by another that applies an orthographic projection for a window with boundaries specified by rect. The near and far clipping planes will be -1 and 1 respectively.

See also frustum() and perspective().

new void QtGui.QMatrix4x4.Ortho ( double  left,
double  right,
double  bottom,
double  top,
double  nearPlane,
double  farPlane 
)

Multiplies this matrix by another that applies an orthographic projection for a window with lower-left corner (left, bottom), upper-right corner (right, top), and the specified nearPlane and farPlane clipping planes.

See also frustum() and perspective().

new void QtGui.QMatrix4x4.Perspective ( double  angle,
double  aspect,
double  nearPlane,
double  farPlane 
)

Multiplies this matrix by another that applies a perspective projection. The field of view will be angle degrees within a window with a given aspect ratio. The projection will have the specified nearPlane and farPlane clipping planes.

See also ortho() and frustum().

new void QtGui.QMatrix4x4.Rotate ( QQuaternion  quaternion)

Multiples this matrix by another that rotates coordinates according to a specified quaternion. The quaternion is assumed to have been normalized.

See also scale(), translate(), and QQuaternion.

new void QtGui.QMatrix4x4.Rotate ( double  angle,
QVector3D  vector 
)

Multiples this matrix by another that rotates coordinates through angle degrees about vector.

See also scale() and translate().

new void QtGui.QMatrix4x4.Rotate ( double  angle,
double  x,
double  y,
double  z = 0.0f 
)

Multiples this matrix by another that rotates coordinates through angle degrees about vector.

See also scale() and translate().

new QVector4D QtGui.QMatrix4x4.Row ( int  index)

Returns the elements of row index as a 4D vector.

See also setRow() and column().

new void QtGui.QMatrix4x4.Scale ( QVector3D  vector)

Multiplies this matrix by another that scales coordinates by the components of vector.

See also translate() and rotate().

new void QtGui.QMatrix4x4.Scale ( double  factor)

Multiplies this matrix by another that scales coordinates by the components of vector.

See also translate() and rotate().

new void QtGui.QMatrix4x4.Scale ( double  x,
double  y 
)

Multiplies this matrix by another that scales coordinates by the components of vector.

See also translate() and rotate().

new void QtGui.QMatrix4x4.Scale ( double  x,
double  y,
double  z 
)

Multiplies this matrix by another that scales coordinates by the components of vector.

See also translate() and rotate().

new void QtGui.QMatrix4x4.SetColumn ( int  index,
QVector4D  value 
)

Sets the elements of column index to the components of value.

See also column() and setRow().

new void QtGui.QMatrix4x4.SetRow ( int  index,
QVector4D  value 
)

Sets the elements of row index to the components of value.

See also row() and setColumn().

new void QtGui.QMatrix4x4.SetToIdentity ( )

Sets this matrix to the identity.

See also isIdentity().

new QMatrix QtGui.QMatrix4x4.ToAffine ( )

Returns the conventional Qt 2D affine transformation matrix that corresponds to this matrix. It is assumed that this matrix only contains 2D affine transformation elements.

See also toTransform().

new QTransform QtGui.QMatrix4x4.ToTransform ( )

Returns the conventional Qt 2D transformation matrix that corresponds to this matrix.

The returned QTransform is formed by simply dropping the third row and third column of the QMatrix4x4. This is suitable for implementing orthographic projections where the z co-ordinate should be dropped rather than projected.

See also toAffine().

new QTransform QtGui.QMatrix4x4.ToTransform ( double  distanceToPlane)

Returns the conventional Qt 2D transformation matrix that corresponds to this matrix.

The returned QTransform is formed by simply dropping the third row and third column of the QMatrix4x4. This is suitable for implementing orthographic projections where the z co-ordinate should be dropped rather than projected.

See also toAffine().

new void QtGui.QMatrix4x4.Translate ( QVector3D  vector)

Multiplies this matrix by another that translates coordinates by the components of vector.

See also scale() and rotate().

new void QtGui.QMatrix4x4.Translate ( double  x,
double  y 
)

Multiplies this matrix by another that translates coordinates by the components of vector.

See also scale() and rotate().

new void QtGui.QMatrix4x4.Translate ( double  x,
double  y,
double  z 
)

Multiplies this matrix by another that translates coordinates by the components of vector.

See also scale() and rotate().

new QMatrix4x4 QtGui.QMatrix4x4.Transposed ( )

Returns this matrix, transposed about its diagonal.

Member Data Documentation

SmokeInvocation QtGui.QMatrix4x4.interceptor
protected

Property Documentation

virtual System.IntPtr QtGui.QMatrix4x4.SmokeObject
getset