You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
qt3/doc/html/qregion-h.html

223 lines
7.4 KiB

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qregion.h:1 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>qregion.h Include File</title>
<style type="text/css"><!--
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
--></style>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr bgcolor="#E5E5E5">
<td valign=center>
<a href="index.html">
<font color="#004faf">Home</font></a>
| <a href="classes.html">
<font color="#004faf">All&nbsp;Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped&nbsp;Classes</font></a>
| <a href="functions.html">
<font color="#004faf">Functions</font></a>
</td>
<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>
<p>This is the verbatim text of the qregion.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qregion.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QRegion class
**
** Created : 940514
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QREGION_H
#define QREGION_H
#ifndef QT_H
#include "qshared.h"
#include "qrect.h"
#endif // QT_H
#ifdef Q_WS_X11
struct QRegionPrivate;
#endif
class Q_EXPORT QRegion
{
public:
enum RegionType { Rectangle, Ellipse };
QRegion();
QRegion( int x, int y, int w, int h, RegionType = Rectangle );
QRegion( const QRect &amp;, RegionType = Rectangle );
QRegion( const QPointArray &amp;, bool winding=FALSE );
QRegion( const QRegion &amp; );
QRegion( const QBitmap &amp; );
~QRegion();
QRegion &amp;operator=( const QRegion &amp; );
bool isNull() const;
bool isEmpty() const;
bool contains( const QPoint &amp;p ) const;
bool contains( const QRect &amp;r ) const;
void translate( int dx, int dy );
QRegion unite( const QRegion &amp; ) const;
QRegion intersect( const QRegion &amp;) const;
QRegion subtract( const QRegion &amp; ) const;
QRegion eor( const QRegion &amp; ) const;
QRect boundingRect() const;
QMemArray&lt;QRect&gt; rects() const;
void setRects( const QRect *, int );
const QRegion operator|( const QRegion &amp; ) const;
const QRegion operator+( const QRegion &amp; ) const;
const QRegion operator&amp;( const QRegion &amp; ) const;
const QRegion operator-( const QRegion &amp; ) const;
const QRegion operator^( const QRegion &amp; ) const;
QRegion&amp; operator|=( const QRegion &amp; );
QRegion&amp; operator+=( const QRegion &amp; );
QRegion&amp; operator&amp;=( const QRegion &amp; );
QRegion&amp; operator-=( const QRegion &amp; );
QRegion&amp; operator^=( const QRegion &amp; );
bool operator==( const QRegion &amp; ) const;
bool operator!=( const QRegion &amp;r ) const
{ return !(operator==(r)); }
#if defined(Q_WS_WIN)
HRGN handle() const { return data-&gt;rgn; }
#elif defined(Q_WS_X11)
Region handle() const { if(!data-&gt;rgn) updateX11Region(); return data-&gt;rgn; }
#elif defined(Q_WS_MAC)
RgnHandle handle(bool require_rgn=FALSE) const;
#elif defined(Q_WS_QWS)
// QGfx_QWS needs this for region drawing
void * handle() const { return data-&gt;rgn; }
#endif
#ifndef QT_NO_DATASTREAM
friend Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QRegion &amp; );
friend Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QRegion &amp; );
#endif
private:
QRegion( bool );
QRegion copy() const;
void detach();
#if defined(Q_WS_WIN)
QRegion winCombine( const QRegion &amp;, int ) const;
#endif
#if defined(Q_WS_X11)
void updateX11Region() const;
void *clipRectangles( int &amp;num ) const;
friend void *qt_getClipRects( const QRegion &amp;, int &amp; );
#endif
void exec( const QByteArray &amp;, int ver = 0 );
struct QRegionData : public QShared {
#if defined(Q_WS_WIN)
HRGN rgn;
#elif defined(Q_WS_X11)
Region rgn;
void *xrectangles;
QRegionPrivate *region;
#elif defined(Q_WS_MAC)
uint is_rect:1;
QRect rect;
RgnHandle rgn;
#elif defined(Q_WS_QWS)
void * rgn;
#endif
bool is_null;
} *data;
#if defined(Q_WS_MAC)
friend struct qt_mac_rgn_data_cache;
friend QRegionData *qt_mac_get_rgn_data();
friend void qt_mac_free_rgn_data(QRegionData *);
void rectifyRegion();
#elif defined(Q_WS_WIN)
friend class QETWidget;
#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
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QRegion &amp; );
Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QRegion &amp; );
#endif
#endif // QREGION_H
</pre>
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 2007
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
</table></div></address></body>
</html>