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277 lines
7.6 KiB
277 lines
7.6 KiB
/****************************************************************************
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**
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** Definition of QRect class
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**
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** Created : 931028
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QRECT_H
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#define QRECT_H
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#ifndef QT_H
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#include "qsize.h"
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#endif // QT_H
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#if defined(topLeft)
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#error "Macro definition of topLeft conflicts with QRect"
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// don't just silently undo people's defines: #undef topLeft
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#endif
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class Q_EXPORT QRect // rectangle class
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{
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public:
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QRect() { x1 = y1 = 0; x2 = y2 = -1; }
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QRect( const QPoint &topleft, const QPoint &bottomright );
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QRect( const QPoint &topleft, const QSize &size );
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QRect( int left, int top, int width, int height );
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bool isNull() const;
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bool isEmpty() const;
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bool isValid() const;
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QRect normalize() const;
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int left() const;
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int top() const;
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int right() const;
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int bottom() const;
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QCOORD &rLeft();
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QCOORD &rTop();
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QCOORD &rRight();
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QCOORD &rBottom();
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int x() const;
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int y() const;
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void setLeft( int pos );
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void setTop( int pos );
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void setRight( int pos );
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void setBottom( int pos );
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void setX( int x );
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void setY( int y );
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void setTopLeft( const QPoint &p );
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void setBottomRight( const QPoint &p );
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void setTopRight( const QPoint &p );
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void setBottomLeft( const QPoint &p );
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QPoint topLeft() const;
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QPoint bottomRight() const;
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QPoint topRight() const;
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QPoint bottomLeft() const;
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QPoint center() const;
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void rect( int *x, int *y, int *w, int *h ) const;
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void coords( int *x1, int *y1, int *x2, int *y2 ) const;
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void moveLeft( int pos );
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void moveTop( int pos );
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void moveRight( int pos );
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void moveBottom( int pos );
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void moveTopLeft( const QPoint &p );
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void moveBottomRight( const QPoint &p );
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void moveTopRight( const QPoint &p );
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void moveBottomLeft( const QPoint &p );
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void moveCenter( const QPoint &p );
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void moveBy( int dx, int dy );
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void setRect( int x, int y, int w, int h );
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void setCoords( int x1, int y1, int x2, int y2 );
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void addCoords( int x1, int y1, int x2, int y2 );
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QSize size() const;
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int width() const;
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int height() const;
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void setWidth( int w );
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void setHeight( int h );
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void setSize( const QSize &s );
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QRect operator|(const QRect &r) const;
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QRect operator&(const QRect &r) const;
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QRect& operator|=(const QRect &r);
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QRect& operator&=(const QRect &r);
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bool contains( const QPoint &p, bool proper=FALSE ) const;
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bool contains( int x, int y ) const; // inline methods, _don't_ merge these
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bool contains( int x, int y, bool proper ) const;
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bool contains( const QRect &r, bool proper=FALSE ) const;
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QRect unite( const QRect &r ) const;
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QRect intersect( const QRect &r ) const;
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bool intersects( const QRect &r ) const;
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friend Q_EXPORT bool operator==( const QRect &, const QRect & );
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friend Q_EXPORT bool operator!=( const QRect &, const QRect & );
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private:
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#if defined(Q_WS_X11) || defined(Q_OS_TEMP)
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friend void qt_setCoords( QRect *r, int xp1, int yp1, int xp2, int yp2 );
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#endif
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#if defined(Q_OS_MAC)
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QCOORD y1;
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QCOORD x1;
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QCOORD y2;
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QCOORD x2;
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#else
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QCOORD x1;
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QCOORD y1;
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QCOORD x2;
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QCOORD y2;
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#endif
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};
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Q_EXPORT bool operator==( const QRect &, const QRect & );
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Q_EXPORT bool operator!=( const QRect &, const QRect & );
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/*****************************************************************************
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QRect stream functions
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*****************************************************************************/
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#ifndef QT_NO_DATASTREAM
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Q_EXPORT QDataStream &operator<<( QDataStream &, const QRect & );
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Q_EXPORT QDataStream &operator>>( QDataStream &, QRect & );
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#endif
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/*****************************************************************************
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QRect inline member functions
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*****************************************************************************/
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inline QRect::QRect( int left, int top, int width, int height )
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{
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x1 = (QCOORD)left;
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y1 = (QCOORD)top;
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x2 = (QCOORD)(left+width-1);
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y2 = (QCOORD)(top+height-1);
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}
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inline bool QRect::isNull() const
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{ return x2 == x1-1 && y2 == y1-1; }
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inline bool QRect::isEmpty() const
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{ return x1 > x2 || y1 > y2; }
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inline bool QRect::isValid() const
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{ return x1 <= x2 && y1 <= y2; }
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inline int QRect::left() const
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{ return x1; }
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inline int QRect::top() const
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{ return y1; }
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inline int QRect::right() const
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{ return x2; }
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inline int QRect::bottom() const
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{ return y2; }
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inline QCOORD &QRect::rLeft()
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{ return x1; }
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inline QCOORD & QRect::rTop()
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{ return y1; }
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inline QCOORD & QRect::rRight()
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{ return x2; }
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inline QCOORD & QRect::rBottom()
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{ return y2; }
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inline int QRect::x() const
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{ return x1; }
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inline int QRect::y() const
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{ return y1; }
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inline void QRect::setLeft( int pos )
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{ x1 = (QCOORD)pos; }
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inline void QRect::setTop( int pos )
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{ y1 = (QCOORD)pos; }
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inline void QRect::setRight( int pos )
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{ x2 = (QCOORD)pos; }
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inline void QRect::setBottom( int pos )
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{ y2 = (QCOORD)pos; }
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inline void QRect::setX( int x )
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{ x1 = (QCOORD)x; }
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inline void QRect::setY( int y )
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{ y1 = (QCOORD)y; }
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inline QPoint QRect::topLeft() const
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{ return QPoint(x1, y1); }
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inline QPoint QRect::bottomRight() const
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{ return QPoint(x2, y2); }
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inline QPoint QRect::topRight() const
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{ return QPoint(x2, y1); }
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inline QPoint QRect::bottomLeft() const
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{ return QPoint(x1, y2); }
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inline QPoint QRect::center() const
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{ return QPoint((x1+x2)/2, (y1+y2)/2); }
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inline int QRect::width() const
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{ return x2 - x1 + 1; }
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inline int QRect::height() const
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{ return y2 - y1 + 1; }
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inline QSize QRect::size() const
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{ return QSize(x2-x1+1, y2-y1+1); }
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inline bool QRect::contains( int x, int y, bool proper ) const
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{
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if ( proper )
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return x > x1 && x < x2 &&
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y > y1 && y < y2;
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else
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return x >= x1 && x <= x2 &&
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y >= y1 && y <= y2;
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}
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inline bool QRect::contains( int x, int y ) const
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{
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return x >= x1 && x <= x2 &&
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y >= y1 && y <= y2;
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}
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#define Q_DEFINED_QRECT
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#include "qwinexport.h"
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#endif // QRECT_H
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