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- /****************************************************************************
- ** $Id: qsize.h,v 2.7 1998/07/03 00:09:41 hanord Exp $
- **
- ** Definition of QSize class
- **
- ** Created : 931028
- **
- ** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
- **
- ** This file is part of Qt Free Edition, version 1.40.
- **
- ** See the file LICENSE included in the distribution for the usage
- ** and distribution terms, or http://www.troll.no/free-license.html.
- **
- ** IMPORTANT NOTE: You may NOT copy this file or any part of it into
- ** your own programs or libraries.
- **
- ** Please see http://www.troll.no/pricing.html for information about
- ** Qt Professional Edition, which is this same library but with a
- ** license which allows creation of commercial/proprietary software.
- **
- *****************************************************************************/
-
- #ifndef QSIZE_H
- #define QSIZE_H
-
- #ifndef QT_H
- #include "qpoint.h"
- #endif // QT_H
-
- #if defined(QSIZE_C) || defined(DEBUG)
- #define QSIZE_DEBUG
- #endif
-
-
- class QSize
- {
- public:
- QSize() { wd = ht = -1; }
- QSize( int w, int h );
-
- bool isNull() const;
- bool isEmpty() const;
- bool isValid() const;
-
- int width() const;
- int height() const;
- void setWidth( int w );
- void setHeight( int h );
- void transpose();
-
- QSize expandedTo( const QSize & ) const;
- QSize boundedTo( const QSize & ) const;
-
- QCOORD &rwidth();
- QCOORD &rheight();
-
- QSize &operator+=( const QSize & );
- QSize &operator-=( const QSize & );
- QSize &operator*=( int c );
- QSize &operator*=( float c );
- QSize &operator/=( int c );
- QSize &operator/=( float c );
-
- friend inline bool operator==( const QSize &, const QSize & );
- friend inline bool operator!=( const QSize &, const QSize & );
- friend inline QSize operator+( const QSize &, const QSize & );
- friend inline QSize operator-( const QSize &, const QSize & );
- friend inline QSize operator*( const QSize &, int );
- friend inline QSize operator*( int, const QSize & );
- friend inline QSize operator*( const QSize &, float );
- friend inline QSize operator*( float, const QSize & );
- #if defined(QSIZE_DEBUG)
- friend QSize operator/( const QSize &, int );
- friend QSize operator/( const QSize &, float );
- #else
- friend inline QSize operator/( const QSize &, int );
- friend inline QSize operator/( const QSize &, float );
- #endif
-
- private:
- QCOORD wd;
- QCOORD ht;
- };
-
-
- /*****************************************************************************
- QSize stream functions
- *****************************************************************************/
-
- QDataStream &operator<<( QDataStream &, const QSize & );
- QDataStream &operator>>( QDataStream &, QSize & );
-
-
- /*****************************************************************************
- QSize inline functions
- *****************************************************************************/
-
- inline QSize::QSize( int w, int h )
- { wd=(QCOORD)w; ht=(QCOORD)h; }
-
- inline bool QSize::isNull() const
- { return wd==0 && ht==0; }
-
- inline bool QSize::isEmpty() const
- { return wd<1 || ht<1; }
-
- inline bool QSize::isValid() const
- { return wd>=0 && ht>=0; }
-
- inline int QSize::width() const
- { return wd; }
-
- inline int QSize::height() const
- { return ht; }
-
- inline void QSize::setWidth( int w )
- { wd=(QCOORD)w; }
-
- inline void QSize::setHeight( int h )
- { ht=(QCOORD)h; }
-
- inline QCOORD &QSize::rwidth()
- { return wd; }
-
- inline QCOORD &QSize::rheight()
- { return ht; }
-
- inline QSize &QSize::operator+=( const QSize &s )
- { wd+=s.wd; ht+=s.ht; return *this; }
-
- inline QSize &QSize::operator-=( const QSize &s )
- { wd-=s.wd; ht-=s.ht; return *this; }
-
- inline QSize &QSize::operator*=( int c )
- { wd*=(QCOORD)c; ht*=(QCOORD)c; return *this; }
-
- inline QSize &QSize::operator*=( float c )
- { wd=(QCOORD)(wd*c); ht=(QCOORD)(ht*c); return *this; }
-
- inline bool operator==( const QSize &s1, const QSize &s2 )
- { return s1.wd == s2.wd && s1.ht == s2.ht; }
-
- inline bool operator!=( const QSize &s1, const QSize &s2 )
- { return s1.wd != s2.wd || s1.ht != s2.ht; }
-
- inline QSize operator+( const QSize & s1, const QSize & s2 )
- { return QSize(s1.wd+s2.wd, s1.ht+s2.ht); }
-
- inline QSize operator-( const QSize &s1, const QSize &s2 )
- { return QSize(s1.wd-s2.wd, s1.ht-s2.ht); }
-
- inline QSize operator*( const QSize &s, int c )
- { return QSize(s.wd*c, s.ht*c); }
-
- inline QSize operator*( int c, const QSize &s )
- { return QSize(s.wd*c, s.ht*c); }
-
- inline QSize operator*( const QSize &s, float c )
- { return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }
-
- inline QSize operator*( float c, const QSize &s )
- { return QSize((QCOORD)(s.wd*c), (QCOORD)(s.ht*c)); }
-
- #if !defined(QSIZE_DEBUG)
-
- inline QSize &QSize::operator/=( int c )
- { wd/=(QCOORD)c; ht/=(QCOORD)c; return *this; }
-
- inline QSize &QSize::operator/=( float c )
- { wd=(QCOORD)(wd/c); ht=(QCOORD)(ht/c); return *this; }
-
- inline QSize operator/( const QSize &s, int c )
- { return QSize(s.wd/c, s.ht/c); }
-
- inline QSize operator/( const QSize &s, float c )
- { return QSize((QCOORD)(s.wd/c), (QCOORD)(s.ht/c)); }
-
- #endif // no-debug functions
-
-
- inline QSize QSize::expandedTo( const QSize & otherSize ) const
- {
- return QSize( QMAX( wd, otherSize.wd ), QMAX( ht, otherSize.ht ) );
- }
-
- inline QSize QSize::boundedTo( const QSize & otherSize ) const
- {
- return QSize( QMIN( wd, otherSize.wd ), QMIN( ht, otherSize.ht ) );
- }
-
- #endif // QSIZE_H
-