QSizeF Class Reference

Search for all occurrences

---

Detailed Description

Definition at line 202 of file qsize.h.

#include <qsize.h>

List of all members.

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]

Search for all occurrences

Definition at line 275 of file qsize.h.

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

bool isEmpty

(

)

const [inline]

Search for all occurrences

Definition at line 278 of file qsize.h.

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

bool isValid

(

)

const [inline]

Search for all occurrences

Definition at line 281 of file qsize.h.

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

qreal width

(

)

const [inline]

Search for all occurrences

Definition at line 284 of file qsize.h.

{ return wd; }

qreal height

(

)

const [inline]

Search for all occurrences

Definition at line 287 of file qsize.h.

{ return ht; }

void setWidth

(

qreal

w

)

[inline]

Search for all occurrences

Definition at line 290 of file qsize.h.

{ wd = w; }

void setHeight

(

qreal

h

)

[inline]

Search for all occurrences

Definition at line 293 of file qsize.h.

{ ht = h; }

void transpose

(

)

Search for all occurrences

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

Search for all occurrences

Definition at line 296 of file qsize.h.

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

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

Search for all occurrences

QSizeF expandedTo

(

const QSizeF &

otherSize

)

const [inline]

Search for all occurrences

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]

Search for all occurrences

Definition at line 350 of file qsize.h.

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

qreal & rwidth

(

)

[inline]

Search for all occurrences

Definition at line 299 of file qsize.h.

{ return wd; }

qreal & rheight

(

)

[inline]

Search for all occurrences

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]

Search for all occurrences

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);
}

---

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

• QtCore/qsize.h