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https://github.com/Retropex/dolphin.git
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200 lines
7.9 KiB
C++
200 lines
7.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QREGION_H
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#define QREGION_H
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#include <QtGui/qtguiglobal.h>
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#include <QtCore/qatomic.h>
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#include <QtCore/qrect.h>
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#include <QtGui/qwindowdefs.h>
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#ifndef QT_NO_DATASTREAM
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#include <QtCore/qdatastream.h>
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#endif
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QT_BEGIN_NAMESPACE
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template <class T> class QVector;
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class QVariant;
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struct QRegionPrivate;
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class QBitmap;
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class Q_GUI_EXPORT QRegion
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{
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public:
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enum RegionType { Rectangle, Ellipse };
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QRegion();
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QRegion(int x, int y, int w, int h, RegionType t = Rectangle);
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QRegion(const QRect &r, RegionType t = Rectangle);
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QRegion(const QPolygon &pa, Qt::FillRule fillRule = Qt::OddEvenFill);
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QRegion(const QRegion ®ion);
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QRegion(QRegion &&other) noexcept
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: d(other.d) { other.d = const_cast<QRegionData*>(&shared_empty); }
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QRegion(const QBitmap &bitmap);
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~QRegion();
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QRegion &operator=(const QRegion &);
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inline QRegion &operator=(QRegion &&other) noexcept
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{ qSwap(d, other.d); return *this; }
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inline void swap(QRegion &other) noexcept { qSwap(d, other.d); }
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bool isEmpty() const;
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bool isNull() const;
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typedef const QRect *const_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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const_iterator begin() const noexcept;
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const_iterator cbegin() const noexcept { return begin(); }
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const_iterator end() const noexcept;
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const_iterator cend() const noexcept { return end(); }
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const_reverse_iterator rbegin() const noexcept { return const_reverse_iterator(end()); }
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const_reverse_iterator crbegin() const noexcept { return rbegin(); }
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const_reverse_iterator rend() const noexcept { return const_reverse_iterator(begin()); }
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const_reverse_iterator crend() const noexcept { return rend(); }
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bool contains(const QPoint &p) const;
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bool contains(const QRect &r) const;
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void translate(int dx, int dy);
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inline void translate(const QPoint &p) { translate(p.x(), p.y()); }
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Q_REQUIRED_RESULT QRegion translated(int dx, int dy) const;
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Q_REQUIRED_RESULT inline QRegion translated(const QPoint &p) const { return translated(p.x(), p.y()); }
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Q_REQUIRED_RESULT QRegion united(const QRegion &r) const;
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Q_REQUIRED_RESULT QRegion united(const QRect &r) const;
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Q_REQUIRED_RESULT QRegion intersected(const QRegion &r) const;
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Q_REQUIRED_RESULT QRegion intersected(const QRect &r) const;
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Q_REQUIRED_RESULT QRegion subtracted(const QRegion &r) const;
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Q_REQUIRED_RESULT QRegion xored(const QRegion &r) const;
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#if QT_DEPRECATED_SINCE(5, 0)
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion unite(const QRegion &r) const { return united(r); }
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion unite(const QRect &r) const { return united(r); }
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion intersect(const QRegion &r) const { return intersected(r); }
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion intersect(const QRect &r) const { return intersected(r); }
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion subtract(const QRegion &r) const { return subtracted(r); }
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Q_REQUIRED_RESULT inline QT_DEPRECATED QRegion eor(const QRegion &r) const { return xored(r); }
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#endif
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bool intersects(const QRegion &r) const;
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bool intersects(const QRect &r) const;
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QRect boundingRect() const noexcept;
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#if QT_DEPRECATED_SINCE(5, 11)
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QT_DEPRECATED_X("Use begin()/end() instead")
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QVector<QRect> rects() const;
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#endif
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void setRects(const QRect *rect, int num);
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int rectCount() const noexcept;
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#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
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// ### Qt 6: remove these, they're kept for MSVC compat
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const QRegion operator|(const QRegion &r) const;
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const QRegion operator+(const QRegion &r) const;
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const QRegion operator+(const QRect &r) const;
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const QRegion operator&(const QRegion &r) const;
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const QRegion operator&(const QRect &r) const;
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const QRegion operator-(const QRegion &r) const;
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const QRegion operator^(const QRegion &r) const;
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#else
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QRegion operator|(const QRegion &r) const;
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QRegion operator+(const QRegion &r) const;
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QRegion operator+(const QRect &r) const;
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QRegion operator&(const QRegion &r) const;
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QRegion operator&(const QRect &r) const;
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QRegion operator-(const QRegion &r) const;
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QRegion operator^(const QRegion &r) const;
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#endif // Q_COMPILER_MANGLES_RETURN_TYPE
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QRegion& operator|=(const QRegion &r);
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QRegion& operator+=(const QRegion &r);
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QRegion& operator+=(const QRect &r);
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QRegion& operator&=(const QRegion &r);
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QRegion& operator&=(const QRect &r);
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QRegion& operator-=(const QRegion &r);
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QRegion& operator^=(const QRegion &r);
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bool operator==(const QRegion &r) const;
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inline bool operator!=(const QRegion &r) const { return !(operator==(r)); }
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operator QVariant() const;
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#ifndef QT_NO_DATASTREAM
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friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &);
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friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &);
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#endif
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private:
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QRegion copy() const; // helper of detach.
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void detach();
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Q_GUI_EXPORT
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friend bool qt_region_strictContains(const QRegion ®ion,
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const QRect &rect);
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friend struct QRegionPrivate;
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#ifndef QT_NO_DATASTREAM
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void exec(const QByteArray &ba, int ver = 0, QDataStream::ByteOrder byteOrder = QDataStream::BigEndian);
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#endif
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struct QRegionData {
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QtPrivate::RefCount ref;
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QRegionPrivate *qt_rgn;
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};
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struct QRegionData *d;
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static const struct QRegionData shared_empty;
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static void cleanUp(QRegionData *x);
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};
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Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QRegion)
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/*****************************************************************************
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QRegion stream functions
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*****************************************************************************/
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#ifndef QT_NO_DATASTREAM
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Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QRegion &);
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Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QRegion &);
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#endif
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#ifndef QT_NO_DEBUG_STREAM
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Q_GUI_EXPORT QDebug operator<<(QDebug, const QRegion &);
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#endif
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QT_END_NAMESPACE
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#endif // QREGION_H
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