ntqsize.h Include File

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# ntqsize.h

This is the verbatim text of the ntqsize.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqsize.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQSize class
    **
    ** Created : 931028
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the kernel module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQSIZE_H
    #define TQSIZE_H

    #ifndef QT_H
    #include "ntqpoint.h" // ### change to ntqwindowdefs.h?
    #endif // QT_H

    class TQ_EXPORT TQSize
    // ### Make TQSize inherit TQt in TQt 4.0
    {
    public:
        // ### Move this enum to ntqnamespace.h in TQt 4.0
        enum ScaleMode {
    	ScaleFree,
    	ScaleMin,
    	ScaleMax
        };

        TQSize();
        TQSize( 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();

        void scale( int w, int h, ScaleMode mode );
        void scale( const TQSize &s, ScaleMode mode );

        TQSize expandedTo( const TQSize & ) const;
        TQSize boundedTo( const TQSize & ) const;

        TQCOORD &rwidth();
        TQCOORD &rheight();

        TQSize &operator+=( const TQSize & );
        TQSize &operator-=( const TQSize & );
        TQSize &operator*=( int c );
        TQSize &operator*=( double c );
        TQSize &operator/=( int c );
        TQSize &operator/=( double c );

        friend inline bool operator==( const TQSize &, const TQSize & );
        friend inline bool operator!=( const TQSize &, const TQSize & );
        friend inline const TQSize operator+( const TQSize &, const TQSize & );
        friend inline const TQSize operator-( const TQSize &, const TQSize & );
        friend inline const TQSize operator*( const TQSize &, int );
        friend inline const TQSize operator*( int, const TQSize & );
        friend inline const TQSize operator*( const TQSize &, double );
        friend inline const TQSize operator*( double, const TQSize & );
        friend inline const TQSize operator/( const TQSize &, int );
        friend inline const TQSize operator/( const TQSize &, double );

    private:
        static void warningDivByZero();

        TQCOORD wd;
        TQCOORD ht;
    };

    /*****************************************************************************
      TQSize stream functions
     *****************************************************************************/

    TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const TQSize & );
    TQ_EXPORT TQDataStream &operator>>( TQDataStream &, TQSize & );

    /*****************************************************************************
      TQSize inline functions
     *****************************************************************************/

    inline TQSize::TQSize()
    { wd = ht = -1; }

    inline TQSize::TQSize( int w, int h )
    { wd=(TQCOORD)w; ht=(TQCOORD)h; }

    inline bool TQSize::isNull() const
    { return wd==0 && ht==0; }

    inline bool TQSize::isEmpty() const
    { return wd<1 || ht<1; }

    inline bool TQSize::isValid() const
    { return wd>=0 && ht>=0; }

    inline int TQSize::width() const
    { return wd; }

    inline int TQSize::height() const
    { return ht; }

    inline void TQSize::setWidth( int w )
    { wd=(TQCOORD)w; }

    inline void TQSize::setHeight( int h )
    { ht=(TQCOORD)h; }

    inline TQCOORD &TQSize::rwidth()
    { return wd; }

    inline TQCOORD &TQSize::rheight()
    { return ht; }

    inline TQSize &TQSize::operator+=( const TQSize &s )
    { wd+=s.wd; ht+=s.ht; return *this; }

    inline TQSize &TQSize::operator-=( const TQSize &s )
    { wd-=s.wd; ht-=s.ht; return *this; }

    inline TQSize &TQSize::operator*=( int c )
    { wd*=(TQCOORD)c; ht*=(TQCOORD)c; return *this; }

    inline TQSize &TQSize::operator*=( double c )
    { wd=(TQCOORD)(wd*c); ht=(TQCOORD)(ht*c); return *this; }

    inline bool operator==( const TQSize &s1, const TQSize &s2 )
    { return s1.wd == s2.wd && s1.ht == s2.ht; }

    inline bool operator!=( const TQSize &s1, const TQSize &s2 )
    { return s1.wd != s2.wd || s1.ht != s2.ht; }

    inline const TQSize operator+( const TQSize & s1, const TQSize & s2 )
    { return TQSize(s1.wd+s2.wd, s1.ht+s2.ht); }

    inline const TQSize operator-( const TQSize &s1, const TQSize &s2 )
    { return TQSize(s1.wd-s2.wd, s1.ht-s2.ht); }

    inline const TQSize operator*( const TQSize &s, int c )
    { return TQSize(s.wd*c, s.ht*c); }

    inline const TQSize operator*( int c, const TQSize &s )
    {  return TQSize(s.wd*c, s.ht*c); }

    inline const TQSize operator*( const TQSize &s, double c )
    { return TQSize((TQCOORD)(s.wd*c), (TQCOORD)(s.ht*c)); }

    inline const TQSize operator*( double c, const TQSize &s )
    { return TQSize((TQCOORD)(s.wd*c), (TQCOORD)(s.ht*c)); }

    inline TQSize &TQSize::operator/=( int c )
    {
    #if defined(QT_CHECK_MATH)
        if ( c == 0 )
    	warningDivByZero();
    #endif
        wd/=(TQCOORD)c; ht/=(TQCOORD)c;
        return *this;
    }

    inline TQSize &TQSize::operator/=( double c )
    {
    #if defined(QT_CHECK_MATH)
        if ( c == 0.0 )
    	warningDivByZero();
    #endif
        wd=(TQCOORD)(wd/c); ht=(TQCOORD)(ht/c);
        return *this;
    }

    inline const TQSize operator/( const TQSize &s, int c )
    {
    #if defined(QT_CHECK_MATH)
        if ( c == 0 )
    	TQSize::warningDivByZero();
    #endif
        return TQSize(s.wd/c, s.ht/c);
    }

    inline const TQSize operator/( const TQSize &s, double c )
    {
    #if defined(QT_CHECK_MATH)
        if ( c == 0.0 )
    	TQSize::warningDivByZero();
    #endif
        return TQSize((TQCOORD)(s.wd/c), (TQCOORD)(s.ht/c));
    }

    inline TQSize TQSize::expandedTo( const TQSize & otherSize ) const
    {
        return TQSize( TQMAX(wd,otherSize.wd), TQMAX(ht,otherSize.ht) );
    }

    inline TQSize TQSize::boundedTo( const TQSize & otherSize ) const
    {
        return TQSize( TQMIN(wd,otherSize.wd), TQMIN(ht,otherSize.ht) );
    }

    #endif // TQSIZE_H