QRectF Class Reference

#include <qrect.h>

Class Description

Definition at line 511 of file qrect.h.

Public Member Functions
	QRectF ()
	QRectF (const QPointF &topleft, const QSizeF &size)
	QRectF (const QPointF &topleft, const QPointF &bottomRight)
	QRectF (qreal left, qreal top, qreal width, qreal height)
	QRectF (const QRect &rect)
bool	isNull () const
bool	isEmpty () const
bool	isValid () const
QRectF	normalized () const
qreal	left () const
qreal	top () const
qreal	right () const
qreal	bottom () const
qreal	x () const
qreal	y () const
void	setLeft (qreal pos)
void	setTop (qreal pos)
void	setRight (qreal pos)
void	setBottom (qreal pos)
void	setX (qreal pos)
void	setY (qreal pos)
QPointF	topLeft () const
QPointF	bottomRight () const
QPointF	topRight () const
QPointF	bottomLeft () const
QPointF	center () const
void	setTopLeft (const QPointF &p)
void	setBottomRight (const QPointF &p)
void	setTopRight (const QPointF &p)
void	setBottomLeft (const QPointF &p)
void	moveLeft (qreal pos)
void	moveTop (qreal pos)
void	moveRight (qreal pos)
void	moveBottom (qreal pos)
void	moveTopLeft (const QPointF &p)
void	moveBottomRight (const QPointF &p)
void	moveTopRight (const QPointF &p)
void	moveBottomLeft (const QPointF &p)
void	moveCenter (const QPointF &p)
void	translate (qreal dx, qreal dy)
void	translate (const QPointF &p)
QRectF	translated (qreal dx, qreal dy) const
QRectF	translated (const QPointF &p) const
void	moveTo (qreal x, qreal t)
void	moveTo (const QPointF &p)
void	setRect (qreal x, qreal y, qreal w, qreal h)
void	getRect (qreal *x, qreal *y, qreal *w, qreal *h) const
void	setCoords (qreal x1, qreal y1, qreal x2, qreal y2)
void	getCoords (qreal *x1, qreal *y1, qreal *x2, qreal *y2) const
void	adjust (qreal x1, qreal y1, qreal x2, qreal y2)
QRectF	adjusted (qreal x1, qreal y1, qreal x2, qreal y2) const
QSizeF	size () const
qreal	width () const
qreal	height () const
void	setWidth (qreal w)
void	setHeight (qreal h)
void	setSize (const QSizeF &s)
QRectF	operator| (const QRectF &r) const
QRectF	operator& (const QRectF &r) const
QRectF &	operator|= (const QRectF &r)
QRectF &	operator&= (const QRectF &r)
bool	contains (const QPointF &p) const
bool	contains (qreal x, qreal y) const
bool	contains (const QRectF &r) const
QRectF	unite (const QRectF &r) const
QRectF	united (const QRectF &other) const
QRectF	intersect (const QRectF &r) const
QRectF	intersected (const QRectF &other) const
bool	intersects (const QRectF &r) const
QRect	toRect () const
QRect	toAlignedRect () const

Friends
Q_CORE_EXPORT_INLINE bool	operator== (const QRectF &, const QRectF &)
Q_CORE_EXPORT_INLINE bool	operator!= (const QRectF &, const QRectF &)

Constructor & Destructor Documentation

QRectF ( )

inline

Definition at line 514 of file qrect.h.

{ xp = yp = 0.; w = h = 0.; }

QRectF ( const QPointF &  topleft, const QSizeF &  size  )

inline

Definition at line 634 of file qrect.h.

{
    xp = atopLeft.x();
    yp = atopLeft.y();
    w = asize.width();
    h = asize.height();
}

QRectF ( const QPointF &  topleft, const QPointF &  bottomRight  )

inline

Definition at line 642 of file qrect.h.

{
    xp = atopLeft.x();
    yp = atopLeft.y();
    w = abottomRight.x() - xp;
    h = abottomRight.y() - yp;
}

QRectF ( qreal  left, qreal  top, qreal  width, qreal  height  )

inline

Definition at line 629 of file qrect.h.

    : xp(aleft), yp(atop), w(awidth), h(aheight)
{
}

QRectF ( const QRect &  rect )

inline

Definition at line 650 of file qrect.h.

    : xp(r.x()), yp(r.y()), w(r.width()), h(r.height())
{
}

Member Function Documentation

bool isNull ( ) const

inline

Definition at line 655 of file qrect.h.

{ return w == 0. && h == 0.; }

bool isEmpty ( ) const

inline

Definition at line 658 of file qrect.h.

{ return w <= 0. || h <= 0.; }

bool isValid ( ) const

inline

Definition at line 661 of file qrect.h.

{ return w > 0. && h > 0.; }

QRectF normalized

(

)

const

qreal left ( ) const

inline

Definition at line 525 of file qrect.h.

{ return xp; }

qreal top ( ) const

inline

Definition at line 526 of file qrect.h.

{ return yp; }

qreal right ( ) const

inline

Definition at line 527 of file qrect.h.

{ return xp + w; }

qreal bottom ( ) const

inline

Definition at line 528 of file qrect.h.

{ return yp + h; }

qreal x ( ) const

inline

Definition at line 664 of file qrect.h.

{ return xp; }

qreal y ( ) const

inline

Definition at line 667 of file qrect.h.

{ return yp; }

void setLeft ( qreal  pos )

inline

Definition at line 670 of file qrect.h.

{ qreal diff = pos - xp; xp += diff; w -= diff; }

void setTop ( qreal  pos )

inline

Definition at line 674 of file qrect.h.

{ qreal diff = pos - yp; yp += diff; h -= diff; }

void setRight ( qreal  pos )

inline

Definition at line 672 of file qrect.h.

{ w = pos - xp; }

void setBottom ( qreal  pos )

inline

Definition at line 676 of file qrect.h.

{ h = pos - yp; }

void setX ( qreal  pos )

inline

Definition at line 536 of file qrect.h.

{ setLeft(pos); }

void setY ( qreal  pos )

inline

Definition at line 537 of file qrect.h.

{ setTop(pos); }

QPointF topLeft ( ) const

inline

Definition at line 539 of file qrect.h.

{ return QPointF(xp, yp); }

QPointF bottomRight ( ) const

inline

Definition at line 540 of file qrect.h.

{ return QPointF(xp+w, yp+h); }

QPointF topRight ( ) const

inline

Definition at line 541 of file qrect.h.

{ return QPointF(xp+w, yp); }

QPointF bottomLeft ( ) const

inline

Definition at line 542 of file qrect.h.

{ return QPointF(xp, yp+h); }

QPointF center ( ) const

inline

Definition at line 686 of file qrect.h.

{ return QPointF(xp + w/2, yp + h/2); }

void setTopLeft ( const QPointF &  p )

inline

Definition at line 678 of file qrect.h.

{ setLeft(p.x()); setTop(p.y()); }

void setBottomRight ( const QPointF &  p )

inline

Definition at line 684 of file qrect.h.

{ setRight(p.x()); setBottom(p.y()); }

void setTopRight ( const QPointF &  p )

inline

Definition at line 680 of file qrect.h.

{ setRight(p.x()); setTop(p.y()); }

void setBottomLeft ( const QPointF &  p )

inline

Definition at line 682 of file qrect.h.

{ setLeft(p.x()); setBottom(p.y()); }

void moveLeft ( qreal  pos )

inline

Definition at line 689 of file qrect.h.

{ xp = pos; }

void moveTop ( qreal  pos )

inline

Definition at line 691 of file qrect.h.

{ yp = pos; }

void moveRight ( qreal  pos )

inline

Definition at line 693 of file qrect.h.

{ xp = pos - w; }

void moveBottom ( qreal  pos )

inline

Definition at line 695 of file qrect.h.

{ yp = pos - h; }

void moveTopLeft ( const QPointF &  p )

inline

Definition at line 697 of file qrect.h.

{ moveLeft(p.x()); moveTop(p.y()); }

void moveBottomRight ( const QPointF &  p )

inline

Definition at line 703 of file qrect.h.

{ moveRight(p.x()); moveBottom(p.y()); }

void moveTopRight ( const QPointF &  p )

inline

Definition at line 699 of file qrect.h.

{ moveRight(p.x()); moveTop(p.y()); }

void moveBottomLeft ( const QPointF &  p )

inline

Definition at line 701 of file qrect.h.

{ moveLeft(p.x()); moveBottom(p.y()); }

void moveCenter ( const QPointF &  p )

inline

Definition at line 705 of file qrect.h.

{ xp = p.x() - w/2; yp = p.y() - h/2; }

void translate ( qreal  dx, qreal  dy  )

inline

Definition at line 716 of file qrect.h.

{
    xp += dx;
    yp += dy;
}

void translate ( const QPointF &  p )

inline

Definition at line 722 of file qrect.h.

{
    xp += p.x();
    yp += p.y();
}

QRectF translated ( qreal  dx, qreal  dy  ) const

inline

Definition at line 740 of file qrect.h.

{ return QRectF(xp + dx, yp + dy, w, h); }

QRectF translated ( const QPointF &  p ) const

inline

Definition at line 743 of file qrect.h.

{ return QRectF(xp + p.x(), yp + p.y(), w, h); }

void moveTo ( qreal  x, qreal  t  )

inline

Definition at line 728 of file qrect.h.

{
    xp = ax;
    yp = ay;
}

void moveTo ( const QPointF &  p )

inline

Definition at line 734 of file qrect.h.

{
    xp = p.x();
    yp = p.y();
}

void setRect ( qreal  x, qreal  y, qreal  w, qreal  h  )

inline

Definition at line 754 of file qrect.h.

{
    this->xp = ax;
    this->yp = ay;
    this->w = aaw;
    this->h = aah;
}

void getRect ( qreal *  x, qreal *  y, qreal *  w, qreal *  h  ) const

inline

Definition at line 746 of file qrect.h.

{
    *ax = this->xp;
    *ay = this->yp;
    *aaw = this->w;
    *aah = this->h;
}

void setCoords ( qreal  x1, qreal  y1, qreal  x2, qreal  y2  )

inline

Definition at line 770 of file qrect.h.

{
    xp = xp1;
    yp = yp1;
    w = xp2 - xp1;
    h = yp2 - yp1;
}

void getCoords ( qreal *  x1, qreal *  y1, qreal *  x2, qreal *  y2  ) const

inline

Definition at line 762 of file qrect.h.

{
    *xp1 = xp;
    *yp1 = yp;
    *xp2 = xp + w;
    *yp2 = yp + h;
}

void adjust ( qreal  x1, qreal  y1, qreal  x2, qreal  y2  )

inline

Definition at line 778 of file qrect.h.

{ xp += xp1; yp += yp1; w += xp2 - xp1; h += yp2 - yp1; }

QRectF adjusted ( qreal  x1, qreal  y1, qreal  x2, qreal  y2  ) const

inline

Definition at line 781 of file qrect.h.

{ return QRectF(xp + xp1, yp + yp1, w + xp2 - xp1, h + yp2 - yp1); }

QSizeF size ( ) const

inline

Definition at line 713 of file qrect.h.

{ return QSizeF(w, h); }

qreal width ( ) const

inline

Definition at line 707 of file qrect.h.

{ return w; }

qreal height ( ) const

inline

Definition at line 710 of file qrect.h.

{ return h; }

void setWidth ( qreal  w )

inline

Definition at line 784 of file qrect.h.

{ this->w = aw; }

void setHeight ( qreal  h )

inline

Definition at line 787 of file qrect.h.

{ this->h = ah; }

void setSize ( const QSizeF &  s )

inline

Definition at line 790 of file qrect.h.

{
    w = s.width();
    h = s.height();
}

QRectF operator|

(

const QRectF &

r

)

const

QRectF operator&

(

const QRectF &

r

)

const

QRectF & operator|= ( const QRectF &  r )

inline

Definition at line 801 of file qrect.h.

{
    *this = *this | r;
    return *this;
}

QRectF & operator&= ( const QRectF &  r )

inline

Definition at line 807 of file qrect.h.

{
    *this = *this & r;
    return *this;
}

bool contains

(

const QPointF &

p

)

const

bool contains ( qreal  x, qreal  y  ) const

inline

Definition at line 796 of file qrect.h.

{
    return contains(QPointF(ax, ay));
}

bool contains

(

const QRectF &

r

)

const

QRectF unite ( const QRectF &  r ) const

inline

Definition at line 823 of file qrect.h.

{
    return *this | r;
}

QRectF united ( const QRectF &  other ) const

inline

Definition at line 828 of file qrect.h.

{
    return unite(r);
}

QRectF intersect ( const QRectF &  r ) const

inline

Definition at line 813 of file qrect.h.

{
    return *this & r;
}

QRectF intersected ( const QRectF &  other ) const

inline

Definition at line 818 of file qrect.h.

{
    return intersect(r);
}

bool intersects

(

const QRectF &

r

)

const

QRect toRect ( ) const

inline

Definition at line 845 of file qrect.h.

{
    return QRect(qRound(xp), qRound(yp), qRound(w), qRound(h));
}

QRect toAlignedRect

(

)

const

Friends And Related Function Documentation

Q_CORE_EXPORT_INLINE bool operator== ( const QRectF &  r1, const QRectF &  r2  )

friend

Definition at line 833 of file qrect.h.

{
    return qFuzzyCompare(r1.xp, r2.xp) && qFuzzyCompare(r1.yp, r2.yp)
           && qFuzzyCompare(r1.w, r2.w) && qFuzzyCompare(r1.h, r2.h);
}

Q_CORE_EXPORT_INLINE bool operator!= ( const QRectF &  r1, const QRectF &  r2  )

friend

Definition at line 839 of file qrect.h.

{
    return !qFuzzyCompare(r1.xp, r2.xp) || !qFuzzyCompare(r1.yp, r2.yp)
           || !qFuzzyCompare(r1.w, r2.w) || !qFuzzyCompare(r1.h, r2.h);
}

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

• QtCore/qrect.h