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- /****************************************************************************
- ** $Id: qregion.h,v 2.14 1998/07/03 00:09:40 hanord Exp $
- **
- ** Definition of QRegion class
- **
- ** Created : 940514
- **
- ** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
- **
- ** This file is part of Qt Free Edition, version 1.40.
- **
- ** 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 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();
- 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(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 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 {
- #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
- *****************************************************************************/
-
- QDataStream &operator<<( QDataStream &, const QRegion & );
- QDataStream &operator>>( QDataStream &, QRegion & );
-
-
- #endif // QREGION_H
-