Qt Toolkit - qpointarray.h include file

# qpointarray.h

This is the verbatim text of the qpointarray.h include file. It is is provided only for illustration; the copyright remains with Troll Tech.

    /****************************************************************************
    ** $Id: qpointarray.h,v 2.8.2.3 1998/12/08 13:35:07 warwick Exp $
    **
    ** Definition of QPointArray class
    **
    ** Created : 940213
    **
    ** 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 QPOINTARRAY_H
    #define QPOINTARRAY_H

    #ifndef QT_H
    #include "qarray.h"
    #include "qpoint.h"
    #endif // QT_H

    /*****************************************************************************
      QPointData struct; platform dependent element i QPointArray
     *****************************************************************************/

    #if defined(_WS_WIN32_) || defined(_WS_PM_)
    typedef long Qpnta_t;
    #else
    typedef short Qpnta_t;
    #endif

    struct QPointData {                             // platform dependent point
        QPointData() {}
        QPointData( int xp, int yp )  { x=(Qpnta_t)xp; y=(Qpnta_t)yp; }
        QPointData( const QPoint &p ) { x=(Qpnta_t)p.x(); y=(Qpnta_t)p.y(); }
    #if defined(_WS_MAC_)
        Qpnta_t y;
        Qpnta_t x;
    #else
        Qpnta_t x;
        Qpnta_t y;
    #endif
    };

    /*****************************************************************************
      QPointVal class; a context class for QPointArray::operator[]
     *****************************************************************************/

    class QPointArray;

    class Q_EXPORT QPointVal
    {
    public:
        QPointVal( QPointData *ptr ) : p(ptr) {}
        bool operator==( const QPointVal &point ) const;
        bool operator!=( const QPointVal &point ) const;
        QPointVal &operator=( const QPointVal &point );
        QPointVal &operator=( const QPoint &point );
        QPointVal &operator+=( const QPoint &point );
        QPointVal &operator-=( const QPoint &point );
                   operator QPoint() const  { return QPoint(p->x,p->y); }
        int        x() const                { return (int)p->x; }
        int        y() const                { return (int)p->y; }
    private:
        QPointData *p;
    };

    /*****************************************************************************
      QPointArray class
     *****************************************************************************/

    Q_DECLARE(QArrayM,QPointData);

    class Q_EXPORT QPointArray : public QArrayM(QPointData)
    {
    public:
        QPointArray() {}
        QPointArray( int size ) : QArrayM(QPointData)( size ) {}
        QPointArray( const QPointArray &a ) : QArrayM(QPointData)( a ) {}
        QPointArray( const QRect &r, bool closed=FALSE );
        QPointArray( int nPoints, const QCOORD *points );

        QPointArray  &operator=( const QPointArray &a )
            { return (QPointArray&)assign( a ); }

        bool    fill( const QPoint &p, int size = -1 );

        QPointArray copy() const
            { QPointArray tmp; return *((QPointArray*)&tmp.duplicate(*this)); }

        void    translate( int dx, int dy );

        void    point( uint i, int *x, int *y ) const;
        QPoint  point( uint i ) const;
        void    setPoint( uint i, int x, int y );
        void    setPoint( uint i, const QPoint &p );
        bool    setPoints( int nPoints, const QCOORD *points );
        bool    setPoints( int nPoints, int firstx, int firsty, ... );
        bool    putPoints( int index, int nPoints, const QCOORD *points );
        bool    putPoints( int index, int nPoints, int firstx, int firsty, ... );

        QPoint  at( uint i ) const;
        QPointVal operator[]( int i )
                    { return QPointVal( data()+i ); }
        QPointVal operator[]( uint i )
                    { return QPointVal( data()+i ); }
        QPoint operator[]( int i ) const
                    { return (QPoint)QPointVal( data()+i ); }
        QPoint operator[]( uint i ) const
                    { return (QPoint)QPointVal( data()+i ); }

        QRect   boundingRect() const;

        void    makeArc( int x, int y, int w, int h, int a1, int a2 );
        void    makeEllipse( int x, int y, int w, int h );

        QPointArray quadBezier() const;
    };

    /*****************************************************************************
      QPointArray stream functions
     *****************************************************************************/

    Q_EXPORT QDataStream &operator<<( QDataStream &, const QPointArray & );
    Q_EXPORT QDataStream &operator>>( QDataStream &, QPointArray & );

    /*****************************************************************************
      Misc. QPointArray functions
     *****************************************************************************/

    inline void QPointArray::setPoint( uint i, const QPoint &p )
    {
        setPoint( i, p.x(), p.y() );
    }

    inline bool QPointVal::operator==( const QPointVal &pointval ) const
    {
        return p->x == pointval.p->x && p->y == pointval.p->y;
    }

    inline bool QPointVal::operator!=( const QPointVal &pointval ) const
    {
        return p->x != pointval.p->x && p->y != pointval.p->y;
    }

    inline QPointVal &QPointVal::operator=( const QPointVal &pointval )
    {
        p->x = pointval.p->x;
        p->y = pointval.p->y;
        return *this;
    }

    inline QPointVal &QPointVal::operator=( const QPoint &point )
    {
        p->x = (Qpnta_t)point.x();
        p->y = (Qpnta_t)point.y();
        return *this;
    }

    inline QPointVal &QPointVal::operator+=( const QPoint &point )
    {
        p->x += (Qpnta_t)point.x();
        p->y += (Qpnta_t)point.y();
        return *this;
    }

    inline QPointVal &QPointVal::operator-=( const QPoint &point )
    {
        p->x -= (Qpnta_t)point.x();
        p->y -= (Qpnta_t)point.y();
        return *this;
    }

    #endif // QPOINTARRAY_H