/****************************************************************************
** $Id: qsize.h,v 2.7.2.3 1998/11/02 16:09:37 hanord Exp $
**
** Definition of QSize class
**
** Created : 931028
**
** Copyright (C) 1992-1999 Troll Tech AS. All rights reserved.
**
** This file is part of Qt Free Edition, version 1.45.
**
** 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)) && !defined(_OS_WIN32_)
#define QSIZE_DEBUG
#endif
class Q_EXPORT 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 Q_EXPORT QSize operator/( const QSize &, int );
friend Q_EXPORT QSize operator/( const QSize &, float );
#else
friend inline QSize operator/( const QSize &, int );
friend inline QSize operator/( const QSize &, float );
#endif
static void warningDivByZero();
private:
QCOORD wd;
QCOORD ht;
};
/*****************************************************************************
QSize stream functions
*****************************************************************************/
Q_EXPORT QDataStream &operator<<( QDataStream &, const QSize & );
Q_EXPORT 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 )
{
#if defined(CHECK_MATH)
if ( c == 0 )
warningDivByZero();
#endif
wd/=(QCOORD)c;
ht/=(QCOORD)c;
return *this;
}
inline QSize &QSize::operator/=( float c )
{
#if defined(CHECK_MATH)
if ( c == 0.0 )
warningDivByZero();
#endif
wd=(QCOORD)(wd/c);
ht=(QCOORD)(ht/c);
return *this;
}
inline QSize operator/( const QSize &s, int c )
{
#if defined(CHECK_MATH)
if ( c == 0 )
QSize::warningDivByZero();
#endif
return QSize(s.wd/c, s.ht/c);
}
inline QSize operator/( const QSize &s, float c )
{
#if defined(CHECK_MATH)
if ( c == 0.0 )
QSize::warningDivByZero();
#endif
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
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