home *** CD-ROM | disk | FTP | other *** search
- /****************************************************************************
- ** $Id: qt/qrect.h 3.0.3 edited Oct 12 12:18 $
- **
- ** Definition of QRect 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 QRECT_H
- #define QRECT_H
-
- #ifndef QT_H
- #include "qsize.h"
- #endif // QT_H
-
- #if defined(topLeft)
- #error "Macro definition of topLeft conflicts with QRect"
- // don't just silently undo people's defines: #undef topLeft
- #endif
-
- class Q_EXPORT QRect // rectangle class
- {
- public:
- QRect() { x1 = y1 = 0; x2 = y2 = -1; }
- 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;
- QRect normalize() const;
-
- int left() const;
- int top() const;
- int right() const;
- int bottom() const;
-
- QCOORD &rLeft();
- QCOORD &rTop();
- QCOORD &rRight();
- QCOORD &rBottom();
-
- 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 );
-
- QPoint topLeft() const;
- QPoint bottomRight() const;
- QPoint topRight() const;
- QPoint bottomLeft() const;
- QPoint center() const;
-
- void rect( int *x, int *y, int *w, int *h ) const;
- void coords( int *x1, int *y1, int *x2, int *y2 ) const;
-
- 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 moveBy( int dx, int dy );
-
- void setRect( int x, int y, int w, int h );
- void setCoords( int x1, int y1, int x2, int y2 );
- void addCoords( int x1, int y1, int x2, int y2 );
-
- 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, bool proper=FALSE ) const;
- bool contains( const QRect &r, bool proper=FALSE ) const;
- QRect unite( const QRect &r ) const;
- QRect intersect( const QRect &r ) const;
- bool intersects( const QRect &r ) const;
-
- friend Q_EXPORT bool operator==( const QRect &, const QRect & );
- friend Q_EXPORT bool operator!=( const QRect &, const QRect & );
-
- private:
- #if defined(Q_OS_MAC)
- QCOORD y1;
- QCOORD x1;
- QCOORD y2;
- QCOORD x2;
- #else
- QCOORD x1;
- QCOORD y1;
- QCOORD x2;
- QCOORD y2;
- #endif
- };
-
- Q_EXPORT bool operator==( const QRect &, const QRect & );
- Q_EXPORT bool operator!=( const QRect &, const QRect & );
-
-
- /*****************************************************************************
- QRect stream functions
- *****************************************************************************/
- #ifndef QT_NO_DATASTREAM
- Q_EXPORT QDataStream &operator<<( QDataStream &, const QRect & );
- Q_EXPORT QDataStream &operator>>( QDataStream &, QRect & );
- #endif
-
- /*****************************************************************************
- QRect inline member functions
- *****************************************************************************/
-
- inline QRect::QRect( int left, int top, int width, int height )
- {
- x1 = (QCOORD)left;
- y1 = (QCOORD)top;
- x2 = (QCOORD)(left+width-1);
- y2 = (QCOORD)(top+height-1);
- }
-
- inline bool QRect::isNull() const
- { return x2 == x1-1 && y2 == y1-1; }
-
- inline bool QRect::isEmpty() const
- { return x1 > x2 || y1 > y2; }
-
- inline bool QRect::isValid() const
- { return x1 <= x2 && y1 <= y2; }
-
- inline int QRect::left() const
- { return x1; }
-
- inline int QRect::top() const
- { return y1; }
-
- inline int QRect::right() const
- { return x2; }
-
- inline int QRect::bottom() const
- { return y2; }
-
- inline QCOORD &QRect::rLeft()
- { return x1; }
-
- inline QCOORD & QRect::rTop()
- { return y1; }
-
- inline QCOORD & QRect::rRight()
- { return x2; }
-
- inline QCOORD & QRect::rBottom()
- { return y2; }
-
- inline int QRect::x() const
- { return x1; }
-
- inline int QRect::y() const
- { return y1; }
-
- inline void QRect::setLeft( int pos )
- { x1 = (QCOORD)pos; }
-
- inline void QRect::setTop( int pos )
- { y1 = (QCOORD)pos; }
-
- inline void QRect::setRight( int pos )
- { x2 = (QCOORD)pos; }
-
- inline void QRect::setBottom( int pos )
- { y2 = (QCOORD)pos; }
-
- inline void QRect::setX( int x )
- { x1 = (QCOORD)x; }
-
- inline void QRect::setY( int y )
- { y1 = (QCOORD)y; }
-
- inline QPoint QRect::topLeft() const
- { return QPoint(x1, y1); }
-
- inline QPoint QRect::bottomRight() const
- { return QPoint(x2, y2); }
-
- inline QPoint QRect::topRight() const
- { return QPoint(x2, y1); }
-
- inline QPoint QRect::bottomLeft() const
- { return QPoint(x1, y2); }
-
- inline QPoint QRect::center() const
- { return QPoint((x1+x2)/2, (y1+y2)/2); }
-
- inline int QRect::width() const
- { return x2 - x1 + 1; }
-
- inline int QRect::height() const
- { return y2 - y1 + 1; }
-
- inline QSize QRect::size() const
- { return QSize(x2-x1+1, y2-y1+1); }
-
- inline bool QRect::contains( int x, int 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;
- }
-
- #endif // QRECT_H
-