qmatrix.h File Reference

#include <QtGui/qpolygon.h>
#include <QtGui/qregion.h>
#include <QtGui/qwindowdefs.h>
#include <QtCore/qline.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>

Go to the source code of this file.

Classes
class	QMatrix
	The QMatrix class specifies 2D transformations of a coordinate system. More...

Functions
Q_GUI_EXPORT_INLINE QPoint	operator* (const QPoint &p, const QMatrix &m)
Q_GUI_EXPORT_INLINE QPointF	operator* (const QPointF &p, const QMatrix &m)
Q_GUI_EXPORT_INLINE QLineF	operator* (const QLineF &l, const QMatrix &m)
Q_GUI_EXPORT_INLINE QLine	operator* (const QLine &l, const QMatrix &m)
Q_GUI_EXPORT_INLINE QPolygon	operator* (const QPolygon &a, const QMatrix &m)
Q_GUI_EXPORT_INLINE QPolygonF	operator* (const QPolygonF &a, const QMatrix &m)
Q_GUI_EXPORT_INLINE QRegion	operator* (const QRegion &r, const QMatrix &m)
Q_GUI_EXPORT QPainterPath	operator* (const QPainterPath &p, const QMatrix &m)
Q_GUI_EXPORT QDataStream &	operator<< (QDataStream &, const QMatrix &)
Q_GUI_EXPORT QDebug	operator<< (QDebug, const QMatrix &)
Q_GUI_EXPORT QDataStream &	operator>> (QDataStream &, QMatrix &)
	Q_DECLARE_TYPEINFO (QMatrix, Q_MOVABLE_TYPE)
bool	qFuzzyCompare (const QMatrix &m1, const QMatrix &m2)

Function Documentation

operator*() [1/8]

Q_GUI_EXPORT_INLINE QPoint operator* ( const QPoint &  p, const QMatrix &  m  )

related

Definition at line 150 of file qmatrix.h.

Referenced by QMatrix::det(), and operator*().

{ return m.map(p); }

operator*() [2/8]

Q_GUI_EXPORT_INLINE QPointF operator* ( const QPointF &  p, const QMatrix &  m  )

related

Definition at line 152 of file qmatrix.h.

{ return m.map(p); }

operator*() [3/8]

Q_GUI_EXPORT_INLINE QLineF operator* ( const QLineF &  l, const QMatrix &  m  )

related

Definition at line 154 of file qmatrix.h.

{ return m.map(l); }

operator*() [4/8]

Q_GUI_EXPORT_INLINE QLine operator* ( const QLine &  l, const QMatrix &  m  )

related

Definition at line 156 of file qmatrix.h.

{ return m.map(l); }

operator*() [5/8]

Q_GUI_EXPORT_INLINE QPolygon operator* ( const QPolygon &  a, const QMatrix &  m  )

related

Definition at line 158 of file qmatrix.h.

{ return m.map(a); }

operator*() [6/8]

Q_GUI_EXPORT_INLINE QPolygonF operator* ( const QPolygonF &  a, const QMatrix &  m  )

related

Definition at line 160 of file qmatrix.h.

{ return m.map(a); }

operator*() [7/8]

Q_GUI_EXPORT_INLINE QRegion operator* ( const QRegion &  r, const QMatrix &  m  )

related

Definition at line 162 of file qmatrix.h.

{ return m.map(r); }

operator*() [8/8]

Q_GUI_EXPORT QPainterPath operator* ( const QPainterPath &  p, const QMatrix &  m  )

related

Definition at line 1200 of file qmatrix.cpp.

{
    return m.map(p);
}

operator<<() [1/2]

Q_GUI_EXPORT QDataStream& operator<< ( QDataStream &  , const QMatrix &    )

related

Definition at line 1223 of file qmatrix.cpp.

Referenced by qFuzzyCompare().

{
    if (s.version() == 1) {
        s << (float)m.m11() << (float)m.m12() << (float)m.m21()
          << (float)m.m22() << (float)m.dx()  << (float)m.dy();
    } else {
        s << double(m.m11())
          << double(m.m12())
          << double(m.m21())
          << double(m.m22())
          << double(m.dx())
          << double(m.dy());
    }
    return s;
}

operator<<() [2/2]

Q_GUI_EXPORT QDebug operator<<	(	QDebug	,
		const QMatrix &
	)

Definition at line 1275 of file qmatrix.cpp.

{
    dbg.nospace() << "QMatrix("
                  << "11=" << m.m11()
                  << " 12=" << m.m12()
                  << " 21=" << m.m21()
                  << " 22=" << m.m22()
                  << " dx=" << m.dx()
                  << " dy=" << m.dy()
                  << ')';
    return dbg.space();
}

operator>>()

Q_GUI_EXPORT QDataStream& operator>> ( QDataStream &  , QMatrix &    )

related

Definition at line 1252 of file qmatrix.cpp.

Referenced by qFuzzyCompare().

{
    if (s.version() == 1) {
        float m11, m12, m21, m22, dx, dy;
        s >> m11;  s >> m12;  s >> m21;  s >> m22;
        s >> dx;   s >> dy;
        m.setMatrix(m11, m12, m21, m22, dx, dy);
    }
    else {
        double m11, m12, m21, m22, dx, dy;
        s >> m11;
        s >> m12;
        s >> m21;
        s >> m22;
        s >> dx;
        s >> dy;
        m.setMatrix(m11, m12, m21, m22, dx, dy);
    }
    return s;
}

Q_DECLARE_TYPEINFO()

Q_DECLARE_TYPEINFO	(	QMatrix	,
		Q_MOVABLE_TYPE
	)

qFuzzyCompare()

bool qFuzzyCompare ( const QMatrix &  m1, const QMatrix &  m2  )

related

Definition at line 172 of file qmatrix.h.

{
    return qFuzzyCompare(m1.m11(), m2.m11())
        && qFuzzyCompare(m1.m12(), m2.m12())
        && qFuzzyCompare(m1.m21(), m2.m21())
        && qFuzzyCompare(m1.m22(), m2.m22())
        && qFuzzyCompare(m1.dx(), m2.dx())
        && qFuzzyCompare(m1.dy(), m2.dy());
}