/****************************************************************************
** $Id: qregion.h,v 2.14.2.4 1999/01/22 15:45:28 warwick Exp $
**
** Definition of QRegion class
**
** Created : 940514
**
** 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 QREGION_H
#define QREGION_H
#ifndef QT_H
#include "qshared.h"
#include "qrect.h"
#include "qstring.h"
#endif // QT_H
class Q_EXPORT QRegion
{
public:
enum RegionType { Rectangle, Ellipse };
QRegion();
QRegion( int x, int y, int w, int h, RegionType = Rectangle );
QRegion( const QRect &, RegionType = Rectangle );
QRegion( const QPointArray &, bool winding=FALSE );
QRegion( const QRegion & );
QRegion( const QBitmap & );
~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;
// Work around clash with the ANSI C++ keyword "xor".
//
// Use of QRegion::xor() is deprecated - you should use QRegion::eor().
// Calls to QRegion::xor() will work for now, but give a warning.
//
// If possible, compile the Qt library without this ANSI C++ feature enabled,
// thus including both the old xor() and new eor() in the library, so old
// binaries will continue to work (with the warning).
//
// We also hide the xor() function if there is a #define for xor, in
// case someone is using #define xor ^ to work around deficiencies in
// their compiler that cause problems with some other header files.
//
#if !(defined(__STRICT_ANSI__) && defined(_CC_GNU_)) && !defined(_CC_EDG_) && !defined(_CC_HP_) && !defined(_CC_HP_ACC_) && !defined(_CC_USLC_) && !defined(_CC_MWERKS_) && !defined(xor)
QRegion xor( const QRegion & ) const;
#endif
QRegion eor( const QRegion & ) const;
QRect boundingRect() const;
QArray<QRect> rects() 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 Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
friend Q_EXPORT 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 {
#if defined(_WS_WIN_)
HANDLE rgn;
#elif defined(_WS_PM_)
HANDLE rgn;
#elif defined(_WS_X11_)
Region rgn;
#endif
bool is_null;
} *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
#define QRGN_RECTS 10
/*****************************************************************************
QRegion stream functions
*****************************************************************************/
Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );
#endif // QREGION_H
| Copyright © 1999 Troll Tech | Trademarks | Qt version 1.45
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