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