QRect Class Reference

#include <qrect.h>

Class Description

Definition at line 58 of file qrect.h.

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

Friends
Q_CORE_EXPORT_INLINE bool	operator== (const QRect &, const QRect &)
Q_CORE_EXPORT_INLINE bool	operator!= (const QRect &, const QRect &)
void	qt_setCoords (QRect *r, int xp1, int yp1, int xp2, int yp2)

Constructor & Destructor Documentation

QRect ( )

inline

Definition at line 61 of file qrect.h.

{ x1 = y1 = 0; x2 = y2 = -1; }

QRect ( const QPoint &  topleft, const QPoint &  bottomright  )

inline

Definition at line 215 of file qrect.h.

{
    x1 = atopLeft.x();
    y1 = atopLeft.y();
    x2 = abottomRight.x();
    y2 = abottomRight.y();
}

QRect ( const QPoint &  topleft, const QSize &  size  )

inline

Definition at line 223 of file qrect.h.

{
    x1 = atopLeft.x();
    y1 = atopLeft.y();
    x2 = (x1+asize.width() - 1);
    y2 = (y1+asize.height() - 1);
}

QRect ( int  left, int  top, int  width, int  height  )

inline

Definition at line 207 of file qrect.h.

{
    x1 = aleft;
    y1 = atop;
    x2 = (aleft + awidth - 1);
    y2 = (atop + aheight - 1);
}

Member Function Documentation

bool isNull ( ) const

inline

Definition at line 231 of file qrect.h.

{ return x2 == x1 - 1 && y2 == y1 - 1; }

bool isEmpty ( ) const

inline

Definition at line 234 of file qrect.h.

{ return x1 > x2 || y1 > y2; }

bool isValid ( ) const

inline

Definition at line 237 of file qrect.h.

{ return x1 <= x2 && y1 <= y2; }

int left ( ) const

inline

Definition at line 240 of file qrect.h.

{ return x1; }

int top ( ) const

inline

Definition at line 243 of file qrect.h.

{ return y1; }

int right ( ) const

inline

Definition at line 246 of file qrect.h.

{ return x2; }

int bottom ( ) const

inline

Definition at line 249 of file qrect.h.

{ return y2; }

QRect normalized

(

)

const

int x ( ) const

inline

Definition at line 252 of file qrect.h.

{ return x1; }

int y ( ) const

inline

Definition at line 255 of file qrect.h.

{ return y1; }

void setLeft ( int  pos )

inline

Definition at line 258 of file qrect.h.

{ x1 = pos; }

void setTop ( int  pos )

inline

Definition at line 261 of file qrect.h.

{ y1 = pos; }

void setRight ( int  pos )

inline

Definition at line 264 of file qrect.h.

{ x2 = pos; }

void setBottom ( int  pos )

inline

Definition at line 267 of file qrect.h.

{ y2 = pos; }

void setX ( int  x )

inline

Definition at line 282 of file qrect.h.

{ x1 = ax; }

void setY ( int  y )

inline

Definition at line 285 of file qrect.h.

{ y1 = ay; }

void setTopLeft ( const QPoint &  p )

inline

Definition at line 270 of file qrect.h.

{ x1 = p.x(); y1 = p.y(); }

void setBottomRight ( const QPoint &  p )

inline

Definition at line 273 of file qrect.h.

{ x2 = p.x(); y2 = p.y(); }

void setTopRight ( const QPoint &  p )

inline

Definition at line 276 of file qrect.h.

{ x2 = p.x(); y1 = p.y(); }

void setBottomLeft ( const QPoint &  p )

inline

Definition at line 279 of file qrect.h.

{ x1 = p.x(); y2 = p.y(); }

QPoint topLeft ( ) const

inline

Definition at line 288 of file qrect.h.

{ return QPoint(x1, y1); }

QPoint bottomRight ( ) const

inline

Definition at line 291 of file qrect.h.

{ return QPoint(x2, y2); }

QPoint topRight ( ) const

inline

Definition at line 294 of file qrect.h.

{ return QPoint(x2, y1); }

QPoint bottomLeft ( ) const

inline

Definition at line 297 of file qrect.h.

{ return QPoint(x1, y2); }

QPoint center ( ) const

inline

Definition at line 300 of file qrect.h.

{ return QPoint((x1+x2)/2, (y1+y2)/2); }

void moveLeft ( int  pos )

inline

Definition at line 350 of file qrect.h.

{ x2 += (pos - x1); x1 = pos; }

void moveTop ( int  pos )

inline

Definition at line 353 of file qrect.h.

{ y2 += (pos - y1); y1 = pos; }

void moveRight ( int  pos )

inline

Definition at line 356 of file qrect.h.

{
    x1 += (pos - x2);
    x2 = pos;
}

void moveBottom ( int  pos )

inline

Definition at line 362 of file qrect.h.

{
    y1 += (pos - y2);
    y2 = pos;
}

void moveTopLeft ( const QPoint &  p )

inline

Definition at line 368 of file qrect.h.

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

void moveBottomRight ( const QPoint &  p )

inline

Definition at line 374 of file qrect.h.

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

void moveTopRight ( const QPoint &  p )

inline

Definition at line 380 of file qrect.h.

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

void moveBottomLeft ( const QPoint &  p )

inline

Definition at line 386 of file qrect.h.

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

void moveCenter

(

const QPoint &

p

)

void translate ( int  dx, int  dy  )

inline

Definition at line 312 of file qrect.h.

{
    x1 += dx;
    y1 += dy;
    x2 += dx;
    y2 += dy;
}

void translate ( const QPoint &  p )

inline

Definition at line 320 of file qrect.h.

{
    x1 += p.x();
    y1 += p.y();
    x2 += p.x();
    y2 += p.y();
}

QRect translated ( int  dx, int  dy  ) const

inline

Definition at line 328 of file qrect.h.

{ return QRect(QPoint(x1 + dx, y1 + dy), QPoint(x2 + dx, y2 + dy)); }

QRect translated ( const QPoint &  p ) const

inline

Definition at line 331 of file qrect.h.

{ return QRect(QPoint(x1 + p.x(), y1 + p.y()), QPoint(x2 + p.x(), y2 + p.y())); }

void moveTo ( int  x, int  t  )

inline

Definition at line 334 of file qrect.h.

{
    x2 += ax - x1;
    y2 += ay - y1;
    x1 = ax;
    y1 = ay;
}

void moveTo ( const QPoint &  p )

inline

Definition at line 342 of file qrect.h.

{
    x2 += p.x() - x1;
    y2 += p.y() - y1;
    x1 = p.x();
    y1 = p.y();
}

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

inline

Definition at line 400 of file qrect.h.

{
    x1 = ax;
    y1 = ay;
    x2 = (ax + aw - 1);
    y2 = (ay + ah - 1);
}

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

inline

Definition at line 392 of file qrect.h.

{
    *ax = x1;
    *ay = y1;
    *aw = x2 - x1 + 1;
    *ah = y2 - y1 + 1;
}

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

inline

Definition at line 416 of file qrect.h.

{
    x1 = xp1;
    y1 = yp1;
    x2 = xp2;
    y2 = yp2;
}

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

inline

Definition at line 408 of file qrect.h.

{
    *xp1 = x1;
    *yp1 = y1;
    *xp2 = x2;
    *yp2 = y2;
}

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

inline

Definition at line 434 of file qrect.h.

{
    x1 += dx1;
    y1 += dy1;
    x2 += dx2;
    y2 += dy2;
}

QRect adjusted ( int  x1, int  y1, int  x2, int  y2  ) const

inline

Definition at line 431 of file qrect.h.

{ return QRect(QPoint(x1 + xp1, y1 + yp1), QPoint(x2 + xp2, y2 + yp2)); }

QSize size ( ) const

inline

Definition at line 309 of file qrect.h.

{ return QSize(width(), height()); }

int width ( ) const

inline

Definition at line 303 of file qrect.h.

{ return  x2 - x1 + 1; }

int height ( ) const

inline

Definition at line 306 of file qrect.h.

{ return  y2 - y1 + 1; }

void setWidth ( int  w )

inline

Definition at line 442 of file qrect.h.

{ x2 = (x1 + w - 1); }

void setHeight ( int  h )

inline

Definition at line 445 of file qrect.h.

{ y2 = (y1 + h - 1); }

void setSize ( const QSize &  s )

inline

Definition at line 448 of file qrect.h.

{
    x2 = (s.width()  + x1 - 1);
    y2 = (s.height() + y1 - 1);
}

QRect operator|

(

const QRect &

r

)

const

QRect operator&

(

const QRect &

r

)

const

QRect & operator|= ( const QRect &  r )

inline

Definition at line 464 of file qrect.h.

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

QRect & operator&= ( const QRect &  r )

inline

Definition at line 470 of file qrect.h.

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

bool contains	(	const QPoint &	p,
		bool	proper = false
	)		const

bool contains ( int  x, int  y  ) const

inline

Definition at line 459 of file qrect.h.

{
    return contains(QPoint(ax, ay), false);
}

bool contains ( int  x, int  y, bool  proper  ) const

inline

Definition at line 454 of file qrect.h.

{
    return contains(QPoint(ax, ay), aproper);
}

bool contains	(	const QRect &	r,
		bool	proper = false
	)		const

QRect unite ( const QRect &  r ) const

inline

Definition at line 486 of file qrect.h.

{
    return *this | r;
}

QRect united ( const QRect &  other ) const

inline

Definition at line 491 of file qrect.h.

{
     return unite(r);
}

QRect intersect ( const QRect &  r ) const

inline

Definition at line 476 of file qrect.h.

{
    return *this & r;
}

QRect intersected ( const QRect &  other ) const

inline

Definition at line 481 of file qrect.h.

{
    return intersect(other);
}

bool intersects

(

const QRect &

r

)

const

Friends And Related Function Documentation

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

friend

Definition at line 496 of file qrect.h.

{
    return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;
}

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

friend

Definition at line 501 of file qrect.h.

{
    return r1.x1!=r2.x1 || r1.x2!=r2.x2 || r1.y1!=r2.y1 || r1.y2!=r2.y2;
}

void qt_setCoords ( QRect *  r, int  xp1, int  yp1, int  xp2, int  yp2  )

friend

---

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

• QtCore/qrect.h