API reference - Class QMatrix

Notation used in Ruby API documentation

Description: Binding of QMatrix

Public constructors

new QMatrixnew(const Qt_Initialization arg1)Constructor QMatrix::QMatrix(Qt::Initialization)
new QMatrixnewConstructor QMatrix::QMatrix()
new QMatrixnew(double m11,
double m12,
double m21,
double m22,
double dx,
double dy)
Constructor QMatrix::QMatrix(double m11, double m12, double m21, double m22, double dx, double dy)
new QMatrixnew(const QMatrix matrix)Constructor QMatrix::QMatrix(const QMatrix &matrix)

Public methods

[const]bool!=(const QMatrix arg1)Method bool QMatrix::operator!=(const QMatrix &)
[const]QMatrix*(const QMatrix o)Method QMatrix QMatrix::operator*(const QMatrix &o)
QMatrix*=(const QMatrix arg1)Method QMatrix &QMatrix::operator*=(const QMatrix &)
[const]bool==(const QMatrix arg1)Method bool QMatrix::operator==(const QMatrix &)
QMatrixassign(const QMatrix arg1)Method QMatrix &QMatrix::operator=(const QMatrix &)
[const]voidassign(const QMatrix other)Assign the contents of another object to self
voidcreateEnsures the C++ object is created
voiddestroyExplicitly destroy the object
[const]booldestroyed?Returns a value indicating whether the object was already destroyed
[const]doubledetMethod double QMatrix::det()
[const]doubledeterminantMethod double QMatrix::determinant()
[const]QMatrixdupCreates a copy of self
[const]doubledxMethod double QMatrix::dx()
[const]doubledyMethod double QMatrix::dy()
[const]QMatrixinverted(bool ptr invertible = 0)Method QMatrix QMatrix::inverted(bool *invertible)
[const]boolisIdentityMethod bool QMatrix::isIdentity()
[const]boolisIdentity?Method bool QMatrix::isIdentity()
[const]boolisInvertibleMethod bool QMatrix::isInvertible()
[const]boolisInvertible?Method bool QMatrix::isInvertible()
[const]boolis_const_object?Returns a value indicating whether the reference is a const reference
[const]doublem11Method double QMatrix::m11()
[const]doublem12Method double QMatrix::m12()
[const]doublem21Method double QMatrix::m21()
[const]doublem22Method double QMatrix::m22()
[const]voidmap(int x,
int y,
int ptr tx,
int ptr ty)
Method void QMatrix::map(int x, int y, int *tx, int *ty)
[const]voidmap(double x,
double y,
double ptr tx,
double ptr ty)
Method void QMatrix::map(double x, double y, double *tx, double *ty)
[const]QPointmap(const QPoint p)Method QPoint QMatrix::map(const QPoint &p)
[const]QPointFmap(const QPointF p)Method QPointF QMatrix::map(const QPointF &p)
[const]QLinemap(const QLine l)Method QLine QMatrix::map(const QLine &l)
[const]QLineFmap(const QLineF l)Method QLineF QMatrix::map(const QLineF &l)
[const]QPolygonFmap(const QPolygonF a)Method QPolygonF QMatrix::map(const QPolygonF &a)
[const]QPolygonmap(const QPolygon a)Method QPolygon QMatrix::map(const QPolygon &a)
[const]QRegionmap(const QRegion r)Method QRegion QMatrix::map(const QRegion &r)
[const]QPainterPathmap(const QPainterPath p)Method QPainterPath QMatrix::map(const QPainterPath &p)
[const]QRectmapRect(const QRect arg1)Method QRect QMatrix::mapRect(const QRect &)
[const]QRectFmapRect(const QRectF arg1)Method QRectF QMatrix::mapRect(const QRectF &)
[const]QPolygonmapToPolygon(const QRect r)Method QPolygon QMatrix::mapToPolygon(const QRect &r)
voidresetMethod void QMatrix::reset()
QMatrixrotate(double a)Method QMatrix &QMatrix::rotate(double a)
QMatrixscale(double sx,
double sy)
Method QMatrix &QMatrix::scale(double sx, double sy)
voidsetMatrix(double m11,
double m12,
double m21,
double m22,
double dx,
double dy)
Method void QMatrix::setMatrix(double m11, double m12, double m21, double m22, double dx, double dy)
QMatrixshear(double sh,
double sv)
Method QMatrix &QMatrix::shear(double sh, double sv)
QMatrixtranslate(double dx,
double dy)
Method QMatrix &QMatrix::translate(double dx, double dy)

Detailed description

[const] bool !=(const QMatrix arg1)

Description: Method bool QMatrix::operator!=(const QMatrix &)

[const] QMatrix *(const QMatrix o)

Description: Method QMatrix QMatrix::operator*(const QMatrix &o)

QMatrix *=(const QMatrix arg1)

Description: Method QMatrix &QMatrix::operator*=(const QMatrix &)

[const] bool ==(const QMatrix arg1)

Description: Method bool QMatrix::operator==(const QMatrix &)

QMatrix assign(const QMatrix arg1)

Description: Method QMatrix &QMatrix::operator=(const QMatrix &)

[const] void assign(const QMatrix other)

Description: Assign the contents of another object to self

This method assigns the contents of another object to self. This is a deep copy that does not only copy the reference but the actual content.

void create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

void destroy

Description: Explicitly destroy the object

Explicitly destroy the object on C++ side if it was owned by the Ruby interpreter. Subsequent access to this object will throw an exception. If the object is not owned by Ruby, this method will do nothing.

[const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

[const] double det

Description: Method double QMatrix::det()

[const] double determinant

Description: Method double QMatrix::determinant()

[const] QMatrix dup

Description: Creates a copy of self

[const] double dx

Description: Method double QMatrix::dx()

[const] double dy

Description: Method double QMatrix::dy()

[const] QMatrix inverted(bool ptr invertible = 0)

Description: Method QMatrix QMatrix::inverted(bool *invertible)

[const] bool isIdentity

Description: Method bool QMatrix::isIdentity()

[const] bool isIdentity?

Description: Method bool QMatrix::isIdentity()

[const] bool isInvertible

Description: Method bool QMatrix::isInvertible()

[const] bool isInvertible?

Description: Method bool QMatrix::isInvertible()

[const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

[const] double m11

Description: Method double QMatrix::m11()

[const] double m12

Description: Method double QMatrix::m12()

[const] double m21

Description: Method double QMatrix::m21()

[const] double m22

Description: Method double QMatrix::m22()

[const] void map(int x,int y,int ptr tx,int ptr ty)

Description: Method void QMatrix::map(int x, int y, int *tx, int *ty)

[const] void map(double x,double y,double ptr tx,double ptr ty)

Description: Method void QMatrix::map(double x, double y, double *tx, double *ty)

[const] QPoint map(const QPoint p)

Description: Method QPoint QMatrix::map(const QPoint &p)

[const] QPointF map(const QPointF p)

Description: Method QPointF QMatrix::map(const QPointF &p)

[const] QLine map(const QLine l)

Description: Method QLine QMatrix::map(const QLine &l)

[const] QLineF map(const QLineF l)

Description: Method QLineF QMatrix::map(const QLineF &l)

[const] QPolygonF map(const QPolygonF a)

Description: Method QPolygonF QMatrix::map(const QPolygonF &a)

[const] QPolygon map(const QPolygon a)

Description: Method QPolygon QMatrix::map(const QPolygon &a)

[const] QRegion map(const QRegion r)

Description: Method QRegion QMatrix::map(const QRegion &r)

[const] QPainterPath map(const QPainterPath p)

Description: Method QPainterPath QMatrix::map(const QPainterPath &p)

[const] QRect mapRect(const QRect arg1)

Description: Method QRect QMatrix::mapRect(const QRect &)

[const] QRectF mapRect(const QRectF arg1)

Description: Method QRectF QMatrix::mapRect(const QRectF &)

[const] QPolygon mapToPolygon(const QRect r)

Description: Method QPolygon QMatrix::mapToPolygon(const QRect &r)

[static] new QMatrix new(const Qt_Initialization arg1)

Description: Constructor QMatrix::QMatrix(Qt::Initialization)

This method creates an object of class QMatrix.

[static] new QMatrix new

Description: Constructor QMatrix::QMatrix()

This method creates an object of class QMatrix.

[static] new QMatrix new(double m11,double m12,double m21,double m22,double dx,double dy)

Description: Constructor QMatrix::QMatrix(double m11, double m12, double m21, double m22, double dx, double dy)

This method creates an object of class QMatrix.

[static] new QMatrix new(const QMatrix matrix)

Description: Constructor QMatrix::QMatrix(const QMatrix &matrix)

This method creates an object of class QMatrix.

void reset

Description: Method void QMatrix::reset()

QMatrix rotate(double a)

Description: Method QMatrix &QMatrix::rotate(double a)

QMatrix scale(double sx,double sy)

Description: Method QMatrix &QMatrix::scale(double sx, double sy)

void setMatrix(double m11,double m12,double m21,double m22,double dx,double dy)

Description: Method void QMatrix::setMatrix(double m11, double m12, double m21, double m22, double dx, double dy)

QMatrix shear(double sh,double sv)

Description: Method QMatrix &QMatrix::shear(double sh, double sv)

QMatrix translate(double dx,double dy)

Description: Method QMatrix &QMatrix::translate(double dx, double dy)