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 2.1 1996/11/22 18:31:54 agulbra Exp $
**
** Definition of QRegion class
**
** Created : 940514
**
** Copyright (C) 1994-1996 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 &, bool winding=FALSE );
QRegion( const QRegion & );
~QRegion();
QRegion &operator=( const QRegion & );
bool isNull() const;
bool isEmpty() const;
bool contains( const QPoint &p ) const;
bool contains( const QRect &r ) const;
void translate( 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:
QRegion( bool );
QRegion copy() const;
void detach();
#if defined(_WS_WIN_)
QRegion winCombine( const QRegion &, int ) const;
#endif
void cmd( int id, void *, const QRegion * = 0, const QRegion * = 0 );
void exec( const QByteArray & );
struct QRegionData : public QShared {
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 // (these are internal)
#define QRGN_SETPTARRAY_ALT 3
#define QRGN_SETPTARRAY_WIND 4
#define QRGN_TRANSLATE 5
#define QRGN_OR 6
#define QRGN_AND 7
#define QRGN_SUB 8
#define QRGN_XOR 9
/*****************************************************************************
QRegion stream functions
*****************************************************************************/
QDataStream &operator<<( QDataStream &, const QRegion & );
QDataStream &operator>>( QDataStream &, QRegion & );
#endif // QREGION_H