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


/****************************************************************************
** $Id: qregion.h,v 1.9 1995/05/15 03:33:40 hanord Exp $
**
** Definition of QRegion class
**
** Author  : Haavard Nord
** Created : 940514
**
** Copyright (C) 1994,1995 by Troll Tech AS.  All rights reserved.
**
*****************************************************************************/

#ifndef QREGION_H
#define QREGION_H

#include "qshared.h"
#include "qrect.h"
#include "qstring.h"


class QRegion
{
public:
    enum RegionType { Rectangle, Ellipse };

    QRegion();
    QRegion( const QRect &, RegionType = Rectangle );
    QRegion( const QPointArray & );
    QRegion( const QRegion & );
   ~QRegion();
    QRegion &operator=( const QRegion & );

    QRegion copy() const;

    bool    isNull()   const;
    bool    isEmpty()  const;

    bool    contains( const QPoint &p ) const;
    bool    contains( const QRect &r )  const;

    void    move( int dx, int dy );

    QRegion unite( const QRegion & )    const;
    QRegion intersect( const QRegion &) const;
    QRegion subtract( const QRegion & ) const;
    QRegion xor( const QRegion & )      const;

    bool    operator==( const QRegion & )  const;
    bool    operator!=( const QRegion &r ) const
                        { return !(operator==(r)); }

#if defined(_WS_WIN_)
    HANDLE  handle() const { return data->rgn; }
#elif defined(_WS_PM_)
    HANDLE  handle() const { return data->rgn; }
#elif defined(_WS_X11_)
    Region  handle() const { return data->rgn; }
#endif

    friend QDataStream &operator<<( QDataStream &, const QRegion & );
    friend QDataStream &operator>>( QDataStream &, QRegion & );

private:
    void    cmd( int id, void *, const QRegion * = 0, const QRegion * = 0 );
    void    exec();
    struct QRegionData : QShared {              // region data
        QByteArray bop;
#if defined(_WS_WIN_)
        HANDLE rgn;
#elif defined(_WS_PM_)
        HANDLE rgn;
#elif defined(_WS_X11_)
        Region rgn;
#endif
    } *data;
#if defined(_WS_PM_)
    static HPS hps;
#endif
};


#define QRGN_SETRECT    1                       // region stream commands
#define QRGN_SETELLIPSE 2
#define QRGN_SETPTARRAY 3
#define QRGN_MOVE       4
#define QRGN_OR         5
#define QRGN_AND        6
#define QRGN_SUB        7
#define QRGN_XOR        8


// --------------------------------------------------------------------------
// QRegion stream functions
//

QDataStream &operator<<( QDataStream &, const QRegion & );
QDataStream &operator>>( QDataStream &, QRegion & );


#endif // QREGION_H


Generated at 16:17, 1995/06/30 by the webmaster at Troll Tech