QSizeF Class Reference

#include <qsize.h>

Class Description

Definition at line 202 of file qsize.h.

Public Member Functions
	QSizeF ()
	QSizeF (const QSize &sz)
	QSizeF (qreal w, qreal h)
bool	isNull () const
bool	isEmpty () const
bool	isValid () const
qreal	width () const
qreal	height () const
void	setWidth (qreal w)
void	setHeight (qreal h)
void	transpose ()
void	scale (qreal w, qreal h, Qt::AspectRatioMode mode)
void	scale (const QSizeF &s, Qt::AspectRatioMode mode)
QSizeF	expandedTo (const QSizeF &) const
QSizeF	boundedTo (const QSizeF &) const
qreal &	rwidth ()
qreal &	rheight ()
QSizeF &	operator+= (const QSizeF &)
QSizeF &	operator-= (const QSizeF &)
QSizeF &	operator*= (qreal c)
QSizeF &	operator/= (qreal c)
QSize	toSize () const

Friends
bool	operator== (const QSizeF &, const QSizeF &)
bool	operator!= (const QSizeF &, const QSizeF &)
const QSizeF	operator+ (const QSizeF &, const QSizeF &)
const QSizeF	operator- (const QSizeF &, const QSizeF &)
const QSizeF	operator* (const QSizeF &, qreal)
const QSizeF	operator* (qreal, const QSizeF &)
const QSizeF	operator/ (const QSizeF &, qreal)

Constructor & Destructor Documentation

QSizeF ( )

inline

Definition at line 264 of file qsize.h.

{ wd = ht = -1.; }

QSizeF ( const QSize &  sz )

inline

Definition at line 267 of file qsize.h.

    : wd(sz.width()), ht(sz.height())
{
}

QSizeF ( qreal  w, qreal  h  )

inline

Definition at line 272 of file qsize.h.

{ wd = w; ht = h; }

Member Function Documentation

bool isNull ( ) const

inline

Definition at line 275 of file qsize.h.

{ return qIsNull(wd) && qIsNull(ht); }

bool isEmpty ( ) const

inline

Definition at line 278 of file qsize.h.

{ return wd <= 0. || ht <= 0.; }

bool isValid ( ) const

inline

Definition at line 281 of file qsize.h.

{ return wd >= 0. && ht >= 0.; }

qreal width ( ) const

inline

Definition at line 284 of file qsize.h.

{ return wd; }

qreal height ( ) const

inline

Definition at line 287 of file qsize.h.

{ return ht; }

void setWidth ( qreal  w )

inline

Definition at line 290 of file qsize.h.

{ wd = w; }

void setHeight ( qreal  h )

inline

Definition at line 293 of file qsize.h.

{ ht = h; }

void transpose

(

)

void scale ( qreal  w, qreal  h, Qt::AspectRatioMode  mode  )

inline

Definition at line 296 of file qsize.h.

{ scale(QSizeF(w, h), mode); }

void scale	(	const QSizeF &	s,
		Qt::AspectRatioMode	mode
	)

QSizeF expandedTo ( const QSizeF &  otherSize ) const

inline

Definition at line 345 of file qsize.h.

{
    return QSizeF(qMax(wd,otherSize.wd), qMax(ht,otherSize.ht));
}

QSizeF boundedTo ( const QSizeF &  otherSize ) const

inline

Definition at line 350 of file qsize.h.

{
    return QSizeF(qMin(wd,otherSize.wd), qMin(ht,otherSize.ht));
}

qreal & rwidth ( )

inline

Definition at line 299 of file qsize.h.

{ return wd; }

qreal & rheight ( )

inline

Definition at line 302 of file qsize.h.

{ return ht; }

QSizeF & operator+= ( const QSizeF &  s )

inline

Definition at line 305 of file qsize.h.

{ wd += s.wd; ht += s.ht; return *this; }

QSizeF & operator-= ( const QSizeF &  s )

inline

Definition at line 308 of file qsize.h.

{ wd -= s.wd; ht -= s.ht; return *this; }

QSizeF & operator*= ( qreal  c )

inline

Definition at line 311 of file qsize.h.

{ wd *= c; ht *= c; return *this; }

QSizeF & operator/= ( qreal  c )

inline

Definition at line 332 of file qsize.h.

{
    Q_ASSERT(!qFuzzyIsNull(c));
    wd = wd/c; ht = ht/c;
    return *this;
}

QSize toSize ( ) const

inline

Definition at line 355 of file qsize.h.

{
    return QSize(qRound(wd), qRound(ht));
}

Friends And Related Function Documentation

bool operator== ( const QSizeF &  s1, const QSizeF &  s2  )

friend

Definition at line 314 of file qsize.h.

{ return qFuzzyCompare(s1.wd, s2.wd) && qFuzzyCompare(s1.ht, s2.ht); }

bool operator!= ( const QSizeF &  s1, const QSizeF &  s2  )

friend

Definition at line 317 of file qsize.h.

{ return !qFuzzyCompare(s1.wd, s2.wd) || !qFuzzyCompare(s1.ht, s2.ht); }

const QSizeF operator+ ( const QSizeF &  s1, const QSizeF &  s2  )

friend

Definition at line 320 of file qsize.h.

{ return QSizeF(s1.wd+s2.wd, s1.ht+s2.ht); }

const QSizeF operator- ( const QSizeF &  s1, const QSizeF &  s2  )

friend

Definition at line 323 of file qsize.h.

{ return QSizeF(s1.wd-s2.wd, s1.ht-s2.ht); }

const QSizeF operator* ( const QSizeF &  s, qreal  c  )

friend

Definition at line 326 of file qsize.h.

{ return QSizeF(s.wd*c, s.ht*c); }

const QSizeF operator* ( qreal  c, const QSizeF &  s  )

friend

Definition at line 329 of file qsize.h.

{ return QSizeF(s.wd*c, s.ht*c); }

const QSizeF operator/ ( const QSizeF &  s, qreal  c  )

friend

Definition at line 339 of file qsize.h.

{
    Q_ASSERT(!qFuzzyIsNull(c));
    return QSizeF(s.wd/c, s.ht/c);
}

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

• QtCore/qsize.h