#include <qmatrix.h>

Class Description

Definition at line 61 of file qmatrix.h.

Public Member Functions
	QMatrix (Qt::Initialization)

	QMatrix ()

	QMatrix (qreal m11, qreal m12, qreal m21, qreal m22, qreal dx, qreal dy)

	QMatrix (const QMatrix &matrix)

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

qreal	m11 () const

qreal	m12 () const

qreal	m21 () const

qreal	m22 () const

qreal	dx () const

qreal	dy () const

void	map (int x, int y, int tx, int ty) const

void	map (qreal x, qreal y, qreal tx, qreal ty) const

QRect	mapRect (const QRect &) const

QRectF	mapRect (const QRectF &) const

QPoint	map (const QPoint &p) const

QPointF	map (const QPointF &p) const

QLine	map (const QLine &l) const

QLineF	map (const QLineF &l) const

QPolygonF	map (const QPolygonF &a) const

QPolygon	map (const QPolygon &a) const

QRegion	map (const QRegion &r) const

QPainterPath	map (const QPainterPath &p) const

QPolygon	mapToPolygon (const QRect &r) const

void	reset ()

bool	isIdentity () const

QMatrix &	translate (qreal dx, qreal dy)

QMatrix &	scale (qreal sx, qreal sy)

QMatrix &	shear (qreal sh, qreal sv)

QMatrix &	rotate (qreal a)

bool	isInvertible () const

qreal	determinant () const

QMatrix	inverted (bool *invertible=0) const

bool	operator== (const QMatrix &) const

bool	operator!= (const QMatrix &) const

QMatrix &	operator*= (const QMatrix &)

QMatrix	operator* (const QMatrix &o) const

QMatrix &	operator= (const QMatrix &)

	operator QVariant () const

Friends
class	QTransform

Constructor & Destructor Documentation

QMatrix ( Qt::Initialization )

inlineexplicit

Definition at line 64 of file qmatrix.h.

64 {}

QMatrix ( )

QMatrix	(	qreal	m11,
		qreal	m12,
		qreal	m21,
		qreal	m22,
		qreal	dx,
		qreal	dy
	)

QMatrix ( const QMatrix & matrix )

Member Function Documentation

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

qreal m11 ( ) const

inline

Definition at line 73 of file qmatrix.h.

73 { return _m11; }

qreal m12 ( ) const

inline

Definition at line 74 of file qmatrix.h.

74 { return _m12; }

qreal m21 ( ) const

inline

Definition at line 75 of file qmatrix.h.

75 { return _m21; }

qreal m22 ( ) const

inline

Definition at line 76 of file qmatrix.h.

76 { return _m22; }

qreal dx ( ) const

inline

Definition at line 77 of file qmatrix.h.

77 { return _dx; }

qreal dy ( ) const

inline

Definition at line 78 of file qmatrix.h.

78 { return _dy; }

void map	(	int	x,
		int	y,
		int *	tx,
		int *	ty
	)		const

void map	(	qreal	x,
		qreal	y,
		qreal *	tx,
		qreal *	ty
	)		const

QRect mapRect ( const QRect & ) const

QRectF mapRect ( const QRectF & ) const

QPoint map ( const QPoint & p ) const

QPointF map ( const QPointF & p ) const

QLine map ( const QLine & l ) const

QLineF map ( const QLineF & l ) const

QPolygonF map ( const QPolygonF & a ) const

QPolygon map ( const QPolygon & a ) const

QRegion map ( const QRegion & r ) const

QPainterPath map ( const QPainterPath & p ) const

QPolygon mapToPolygon ( const QRect & r ) const

void reset ( )

bool isIdentity ( ) const

inline

Definition at line 166 of file qmatrix.h.

 {
     return qFuzzyIsNull(_m11 - 1) && qFuzzyIsNull(_m22 - 1) && qFuzzyIsNull(_m12)
            && qFuzzyIsNull(_m21) && qFuzzyIsNull(_dx) && qFuzzyIsNull(_dy);
 }

QMatrix& translate	(	qreal	dx,
		qreal	dy
	)

QMatrix& scale	(	qreal	sx,
		qreal	sy
	)

QMatrix& shear	(	qreal	sh,
		qreal	sv
	)

QMatrix& rotate ( qreal a )

bool isInvertible ( ) const

inline

Definition at line 103 of file qmatrix.h.

103 { return !qFuzzyIsNull(_m11*_m22 - _m12*_m21); }

qreal determinant ( ) const

inline

Definition at line 104 of file qmatrix.h.

104 { return _m11*_m22 - _m12*_m21; }

QMatrix inverted ( bool * invertible = 0 ) const

bool operator== ( const QMatrix & ) const

bool operator!= ( const QMatrix & ) const

QMatrix& operator*= ( const QMatrix & )

QMatrix operator* ( const QMatrix & o ) const

QMatrix& operator= ( const QMatrix & )

operator QVariant ( ) const

Friends And Related Function Documentation

friend class QTransform

friend

Definition at line 142 of file qmatrix.h.

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

QtGui/qmatrix.h

QMatrix Class Reference

Class Description

Public Member Functions

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation