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/****************************************************************************
** $Id$
**
** Definition of FRect class
**
** Created : 931028
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef FRECT_H
#define FRECT_H
//#ifndef QT_H
#include "fsize.h"
//#endif // QT_H
#if defined(topLeft)
#error "Macro definition of topLeft conflicts with FRect"
// don't just silently undo people's defines: #undef topLeft
#endif
class FRect // rectangle class
{
public:
FRect() { x1 = y1 = 0; x2 = y2 = -1; }
FRect( FPoint &topleft, FPoint &bottomright );
FRect( FPoint &topleft, FSize &size );
FRect( qreal left, qreal top, qreal width, qreal height );
bool isNull() const;
bool isEmpty() const;
bool isValid() const;
FRect normalize() const;
qreal left() const;
qreal top() const;
qreal right() const;
qreal bottom() const;
qreal &rLeft();
qreal &rTop();
qreal &rRight();
qreal &rBottom();
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 x );
void setY( qreal y );
void setTopLeft( FPoint &p );
void setBottomRight( FPoint &p );
void setTopRight( FPoint &p );
void setBottomLeft( FPoint &p );
FPoint topLeft() const;
FPoint bottomRight() const;
FPoint topRight() const;
FPoint bottomLeft() const;
FPoint center() const;
void rect( qreal *x, qreal *y, qreal *w, qreal *h ) const;
void coords( qreal *x1, qreal *y1, qreal *x2, qreal *y2 ) const;
void moveLeft( qreal pos );
void moveTop( qreal pos );
void moveRight( qreal pos );
void moveBottom( qreal pos );
void moveTopLeft( FPoint &p );
void moveBottomRight( FPoint &p );
void moveTopRight( FPoint &p );
void moveBottomLeft( FPoint &p );
void moveCenter( FPoint &p );
void moveBy( qreal dx, qreal dy );
void setRect( qreal x, qreal y, qreal w, qreal h );
void setCoords( qreal x1, qreal y1, qreal x2, qreal y2 );
void addCoords( qreal x1, qreal y1, qreal x2, qreal y2 );
FSize size() const;
qreal width() const;
qreal height() const;
void setWidth( qreal w );
void setHeight( qreal h );
void setSize( const FSize &s );
FRect operator|(const FRect &r) const;
FRect operator&(const FRect &r) const;
FRect& operator|=(const FRect &r);
FRect& operator&=(const FRect &r);
bool contains( FPoint &p, bool proper=FALSE ) const;
bool contains( qreal x, qreal y ) const; // inline methods, _don't_ merge these
bool contains( qreal x, qreal y, bool proper ) const;
bool contains( const FRect &r, bool proper=FALSE ) const;
FRect unite( const FRect &r ) const;
FRect intersect( const FRect &r ) const;
bool intersects( const FRect &r ) const;
friend bool operator==( const FRect &, const FRect & );
friend bool operator!=( const FRect &, const FRect & );
private:
#if defined(Q_WS_X11) || defined(Q_OS_TEMP)
friend void qt_setCoords( FRect *r, qreal xp1, qreal yp1, qreal xp2, qreal yp2 );
#endif
qreal x1;
qreal y1;
qreal x2;
qreal y2;
};
bool operator==( const FRect &, const FRect & );
bool operator!=( const FRect &, const FRect & );
/*****************************************************************************
FRect stream functions
*****************************************************************************/
// #ifndef QT_NO_DATASTREAM
// Q_EXPORT QDataStream &operator<<( QDataStream &, const FRect & );
// Q_EXPORT QDataStream &operator>>( QDataStream &, FRect & );
// #endif
/*****************************************************************************
FRect inline member functions
*****************************************************************************/
inline FRect::FRect( qreal left, qreal top, qreal width, qreal height )
{
x1 = (qreal)left;
y1 = (qreal)top;
x2 = (qreal)(left+width-1);
y2 = (qreal)(top+height-1);
}
inline bool FRect::isNull() const
{ return x2 == x1-1 && y2 == y1-1; }
inline bool FRect::isEmpty() const
{ return x1 > x2 || y1 > y2; }
inline bool FRect::isValid() const
{ return x1 <= x2 && y1 <= y2; }
inline qreal FRect::left() const
{ return x1; }
inline qreal FRect::top() const
{ return y1; }
inline qreal FRect::right() const
{ return x2; }
inline qreal FRect::bottom() const
{ return y2; }
inline qreal &FRect::rLeft()
{ return x1; }
inline qreal & FRect::rTop()
{ return y1; }
inline qreal & FRect::rRight()
{ return x2; }
inline qreal & FRect::rBottom()
{ return y2; }
inline qreal FRect::x() const
{ return x1; }
inline qreal FRect::y() const
{ return y1; }
inline void FRect::setLeft( qreal pos )
{ x1 = (qreal)pos; }
inline void FRect::setTop( qreal pos )
{ y1 = (qreal)pos; }
inline void FRect::setRight( qreal pos )
{ x2 = (qreal)pos; }
inline void FRect::setBottom( qreal pos )
{ y2 = (qreal)pos; }
inline void FRect::setX( qreal x )
{ x1 = (qreal)x; }
inline void FRect::setY( qreal y )
{ y1 = (qreal)y; }
inline FPoint FRect::topLeft() const
{ return FPoint(x1, y1); }
inline FPoint FRect::bottomRight() const
{ return FPoint(x2, y2); }
inline FPoint FRect::topRight() const
{ return FPoint(x2, y1); }
inline FPoint FRect::bottomLeft() const
{ return FPoint(x1, y2); }
inline FPoint FRect::center() const
{ return FPoint((x1+x2)/2, (y1+y2)/2); }
inline qreal FRect::width() const
{ return x2 - x1 + 1; }
inline qreal FRect::height() const
{ return y2 - y1 + 1; }
inline FSize FRect::size() const
{ return FSize(x2-x1+1, y2-y1+1); }
inline bool FRect::contains( qreal x, qreal y, bool proper ) const
{
if ( proper )
return x > x1 && x < x2 &&
y > y1 && y < y2;
else
return x >= x1 && x <= x2 &&
y >= y1 && y <= y2;
}
inline bool FRect::contains( qreal x, qreal y ) const
{
return x >= x1 && x <= x2 &&
y >= y1 && y <= y2;
}
// #define Q_DEFINED_QRECT
// #include "qwinexport.h"
#endif // QRECT_H
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