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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /src/kernel/qregion.h | |
download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip |
Add Qt3 development HEAD version
Diffstat (limited to 'src/kernel/qregion.h')
-rw-r--r-- | src/kernel/qregion.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/kernel/qregion.h b/src/kernel/qregion.h new file mode 100644 index 0000000..c2650ef --- /dev/null +++ b/src/kernel/qregion.h @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** Definition of QRegion class +** +** Created : 940514 +** +** Copyright (C) 1992-2008 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 files LICENSE.GPL2 +** and LICENSE.GPL3 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 &, 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; + QRegion eor( const QRegion & ) const; + + QRect boundingRect() const; + QMemArray<QRect> rects() const; + void setRects( const QRect *, int ); + + const QRegion operator|( const QRegion & ) const; + const QRegion operator+( const QRegion & ) const; + const QRegion operator&( const QRegion & ) const; + const QRegion operator-( const QRegion & ) const; + const QRegion operator^( const QRegion & ) const; + QRegion& operator|=( const QRegion & ); + QRegion& operator+=( const QRegion & ); + QRegion& operator&=( const QRegion & ); + QRegion& operator-=( const QRegion & ); + QRegion& operator^=( const QRegion & ); + + bool operator==( const QRegion & ) const; + bool operator!=( const QRegion &r ) const + { return !(operator==(r)); } + +#if defined(Q_WS_WIN) + HRGN handle() const { return data->rgn; } +#elif defined(Q_WS_X11) + Region handle() const { if(!data->rgn) updateX11Region(); return data->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->rgn; } +#endif + +#ifndef QT_NO_DATASTREAM + friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QRegion & ); + friend Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & ); +#endif +private: + QRegion( bool ); + QRegion copy() const; + void detach(); +#if defined(Q_WS_WIN) + QRegion winCombine( const QRegion &, int ) const; +#endif +#if defined(Q_WS_X11) + void updateX11Region() const; + void *clipRectangles( int &num ) const; + friend void *qt_getClipRects( const QRegion &, int & ); +#endif + void exec( const QByteArray &, 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 &operator<<( QDataStream &, const QRegion & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QRegion & ); +#endif + + +#endif // QREGION_H |