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| 20 | <font color="#004faf">Home</font></a>
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| 22 | <font color="#004faf">All Classes</font></a>
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qregion.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qregion.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | ** $Id: qregion-h.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 39 | **
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| 40 | ** Definition of QRegion class
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| 41 | **
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| 42 | ** Created : 940514
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| 43 | **
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| 44 | ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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| 45 | **
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| 46 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 47 | **
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| 48 | ** This file may be distributed under the terms of the Q Public License
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| 49 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 50 | ** LICENSE.QPL included in the packaging of this file.
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| 51 | **
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| 52 | ** This file may be distributed and/or modified under the terms of the
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| 53 | ** GNU General Public License version 2 as published by the Free Software
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| 54 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 55 | ** packaging of this file.
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| 56 | **
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| 57 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 58 | ** licenses may use this file in accordance with the Qt Commercial License
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| 59 | ** Agreement provided with the Software.
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| 60 | **
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| 61 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 62 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 63 | **
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| 64 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 65 | ** information about Qt Commercial License Agreements.
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| 66 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 67 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 68 | **
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| 69 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 70 | ** not clear to you.
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| 71 | **
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| 72 | **********************************************************************/
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| 73 |
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| 74 | #ifndef QREGION_H
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| 75 | #define QREGION_H
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| 76 |
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| 77 | #ifndef QT_H
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| 78 | #include "qshared.h"
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| 79 | #include "qrect.h"
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| 80 | #endif // QT_H
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| 81 |
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| 82 | #ifdef Q_WS_X11
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| 83 | struct QRegionPrivate;
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| 84 | #endif
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| 85 |
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| 86 | class Q_EXPORT QRegion
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| 87 | {
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| 88 | public:
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| 89 | enum RegionType { Rectangle, Ellipse };
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| 90 |
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| 91 | QRegion();
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| 92 | QRegion( int x, int y, int w, int h, RegionType = Rectangle );
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| 93 | QRegion( const QRect &, RegionType = Rectangle );
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| 94 | QRegion( const QPointArray &, bool winding=FALSE );
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| 95 | QRegion( const QRegion & );
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| 96 | QRegion( const QBitmap & );
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| 97 | ~QRegion();
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| 98 | QRegion &operator=( const QRegion & );
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| 99 |
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| 100 | bool isNull() const;
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| 101 | bool isEmpty() const;
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| 102 |
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| 103 | bool contains( const QPoint &p ) const;
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| 104 | bool contains( const QRect &r ) const;
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| 105 |
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| 106 | void translate( int dx, int dy );
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| 107 |
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| 108 | QRegion unite( const QRegion & ) const;
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| 109 | QRegion intersect( const QRegion &) const;
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| 110 | QRegion subtract( const QRegion & ) const;
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| 111 | QRegion eor( const QRegion & ) const;
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| 112 |
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| 113 | QRect boundingRect() const;
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| 114 | QMemArray<QRect> rects() const;
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| 115 | void setRects( const QRect *, int );
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| 116 |
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| 117 | const QRegion operator|( const QRegion & ) const;
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| 118 | const QRegion operator+( const QRegion & ) const;
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| 119 | const QRegion operator&( const QRegion & ) const;
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| 120 | const QRegion operator-( const QRegion & ) const;
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| 121 | const QRegion operator^( const QRegion & ) const;
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| 122 | QRegion& operator|=( const QRegion & );
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| 123 | QRegion& operator+=( const QRegion & );
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| 124 | QRegion& operator&=( const QRegion & );
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| 125 | QRegion& operator-=( const QRegion & );
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| 126 | QRegion& operator^=( const QRegion & );
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| 127 |
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| 128 | bool operator==( const QRegion & ) const;
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| 129 | bool operator!=( const QRegion &r ) const
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| 130 | { return !(operator==(r)); }
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| 131 |
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| 132 | #if defined(Q_WS_WIN)
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| 133 | HRGN handle() const { return data->rgn; }
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| 134 | #elif defined(Q_WS_X11)
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| 135 | Region handle() const { if(!data->rgn) updateX11Region(); return data->rgn; }
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| 136 | #elif defined(Q_WS_MAC)
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| 137 | RgnHandle handle(bool require_rgn=FALSE) const;
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| 138 | #elif defined(Q_WS_QWS)
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| 139 | // QGfx_QWS needs this for region drawing
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| 140 | void * handle() const { return data->rgn; }
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| 141 | #endif
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| 142 |
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| 143 | #ifndef QT_NO_DATASTREAM
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| 144 | friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
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| 145 | friend Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );
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| 146 | #endif
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| 147 | private:
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| 148 | QRegion( bool );
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| 149 | QRegion copy() const;
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| 150 | void detach();
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| 151 | #if defined(Q_WS_WIN)
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| 152 | QRegion winCombine( const QRegion &, int ) const;
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| 153 | #endif
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| 154 | #if defined(Q_WS_X11)
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| 155 | void updateX11Region() const;
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| 156 | void *clipRectangles( int &num ) const;
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| 157 | friend void *qt_getClipRects( const QRegion &, int & );
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| 158 | #endif
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| 159 | void exec( const QByteArray &, int ver = 0 );
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| 160 | struct QRegionData : public QShared {
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| 161 | #if defined(Q_WS_WIN)
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| 162 | HRGN rgn;
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| 163 | #elif defined(Q_WS_X11)
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| 164 | Region rgn;
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| 165 | void *xrectangles;
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| 166 | QRegionPrivate *region;
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| 167 | #elif defined(Q_WS_MAC)
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| 168 | uint is_rect:1;
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| 169 | QRect rect;
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| 170 | RgnHandle rgn;
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| 171 | #elif defined(Q_WS_QWS)
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| 172 | void * rgn;
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| 173 | #endif
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| 174 | bool is_null;
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| 175 | } *data;
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| 176 | #if defined(Q_WS_MAC)
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| 177 | friend struct qt_mac_rgn_data_cache;
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| 178 | friend QRegionData *qt_mac_get_rgn_data();
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| 179 | friend void qt_mac_free_rgn_data(QRegionData *);
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| 180 | void rectifyRegion();
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| 181 | #elif defined(Q_WS_WIN)
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| 182 | friend class QETWidget;
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| 183 | #endif
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| 184 |
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| 185 | };
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| 186 |
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| 187 |
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| 188 | #define QRGN_SETRECT 1 // region stream commands
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| 189 | #define QRGN_SETELLIPSE 2 // (these are internal)
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| 190 | #define QRGN_SETPTARRAY_ALT 3
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| 191 | #define QRGN_SETPTARRAY_WIND 4
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| 192 | #define QRGN_TRANSLATE 5
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| 193 | #define QRGN_OR 6
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| 194 | #define QRGN_AND 7
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| 195 | #define QRGN_SUB 8
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| 196 | #define QRGN_XOR 9
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| 197 | #define QRGN_RECTS 10
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| 198 |
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| 199 |
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| 200 | /*****************************************************************************
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| 201 | QRegion stream functions
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| 202 | *****************************************************************************/
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| 203 |
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| 204 | #ifndef QT_NO_DATASTREAM
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| 205 | Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & );
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| 206 | Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & );
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| 207 | #endif
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| 208 |
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| 209 |
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| 210 | #endif // QREGION_H
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| 211 | </pre>
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| 212 | <!-- eof -->
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| 213 | <p><address><hr><div align=center>
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| 214 | <table width=100% cellspacing=0 border=0><tr>
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| 215 | <td>Copyright © 2007
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| 216 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 217 | <td align=right><div align=right>Qt 3.3.8</div>
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| 218 | </table></div></address></body>
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| 219 | </html>
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