mirror of
https://github.com/baldurk/renderdoc.git
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baldurk
768e812e45
* On windows it's strongly desired to be able to compile straight out of a clean checkout or source download. This means anyone can download the source and investigate something quickly, without having to worry about the hassle of figuring out how the project downloads 3rd party dependencies, fetching them, getting them registered in the right place. * This can't be put in a submodule as git submodules don't get downloaded by default so people new to git will get confusing compilation messages, and someone downloading the source from github directly without cloning via git won't get submodules included. * It does add some extra size to a fresh download/checkout which is unfortunate, but absolutely worth the cost. Shallow checkouts still aren't unfeasibly large, and it's only a one-off cost at clone time.
199 lines
8.2 KiB
C++
199 lines
8.2 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 QtCore 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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#include <QtCore/qglobal.h>
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#ifndef QFLAGS_H
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#define QFLAGS_H
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#ifdef Q_COMPILER_INITIALIZER_LISTS
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#include <initializer_list>
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#endif
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QT_BEGIN_NAMESPACE
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class QDataStream;
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class QFlag
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{
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int i;
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public:
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Q_DECL_CONSTEXPR inline QFlag(int ai) Q_DECL_NOTHROW : i(ai) {}
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Q_DECL_CONSTEXPR inline operator int() const Q_DECL_NOTHROW { return i; }
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#if !defined(Q_CC_MSVC)
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// Microsoft Visual Studio has buggy behavior when it comes to
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// unsigned enums: even if the enum is unsigned, the enum tags are
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// always signed
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# if !defined(__LP64__) && !defined(Q_QDOC)
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Q_DECL_CONSTEXPR inline QFlag(long ai) Q_DECL_NOTHROW : i(int(ai)) {}
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Q_DECL_CONSTEXPR inline QFlag(ulong ai) Q_DECL_NOTHROW : i(int(long(ai))) {}
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# endif
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Q_DECL_CONSTEXPR inline QFlag(uint ai) Q_DECL_NOTHROW : i(int(ai)) {}
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Q_DECL_CONSTEXPR inline QFlag(short ai) Q_DECL_NOTHROW : i(int(ai)) {}
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Q_DECL_CONSTEXPR inline QFlag(ushort ai) Q_DECL_NOTHROW : i(int(uint(ai))) {}
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Q_DECL_CONSTEXPR inline operator uint() const Q_DECL_NOTHROW { return uint(i); }
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#endif
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};
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Q_DECLARE_TYPEINFO(QFlag, Q_PRIMITIVE_TYPE);
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class QIncompatibleFlag
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{
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int i;
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public:
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Q_DECL_CONSTEXPR inline explicit QIncompatibleFlag(int i) Q_DECL_NOTHROW;
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Q_DECL_CONSTEXPR inline operator int() const Q_DECL_NOTHROW { return i; }
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};
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Q_DECLARE_TYPEINFO(QIncompatibleFlag, Q_PRIMITIVE_TYPE);
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Q_DECL_CONSTEXPR inline QIncompatibleFlag::QIncompatibleFlag(int ai) Q_DECL_NOTHROW : i(ai) {}
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#ifndef Q_NO_TYPESAFE_FLAGS
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template<typename Enum>
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class QFlags
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{
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Q_STATIC_ASSERT_X((sizeof(Enum) <= sizeof(int)),
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"QFlags uses an int as storage, so an enum with underlying "
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"long long will overflow.");
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Q_STATIC_ASSERT_X((std::is_enum<Enum>::value), "QFlags is only usable on enumeration types.");
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struct Private;
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typedef int (Private::*Zero);
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template <typename E> friend QDataStream &operator>>(QDataStream &, QFlags<E> &);
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template <typename E> friend QDataStream &operator<<(QDataStream &, QFlags<E>);
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public:
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#if defined(Q_CC_MSVC) || defined(Q_QDOC)
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// see above for MSVC
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// the definition below is too complex for qdoc
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typedef int Int;
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#else
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typedef typename std::conditional<
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std::is_unsigned<typename std::underlying_type<Enum>::type>::value,
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unsigned int,
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signed int
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>::type Int;
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#endif
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typedef Enum enum_type;
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// compiler-generated copy/move ctor/assignment operators are fine!
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#ifdef Q_QDOC
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Q_DECL_CONSTEXPR inline QFlags(const QFlags &other);
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Q_DECL_CONSTEXPR inline QFlags &operator=(const QFlags &other);
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#endif
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Q_DECL_CONSTEXPR inline QFlags(Enum f) Q_DECL_NOTHROW : i(Int(f)) {}
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Q_DECL_CONSTEXPR inline QFlags(Zero = Q_NULLPTR) Q_DECL_NOTHROW : i(0) {}
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Q_DECL_CONSTEXPR inline QFlags(QFlag f) Q_DECL_NOTHROW : i(f) {}
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#ifdef Q_COMPILER_INITIALIZER_LISTS
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Q_DECL_CONSTEXPR inline QFlags(std::initializer_list<Enum> flags) Q_DECL_NOTHROW
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: i(initializer_list_helper(flags.begin(), flags.end())) {}
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#endif
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(int mask) Q_DECL_NOTHROW { i &= mask; return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(uint mask) Q_DECL_NOTHROW { i &= mask; return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(Enum mask) Q_DECL_NOTHROW { i &= Int(mask); return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(QFlags f) Q_DECL_NOTHROW { i |= f.i; return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator|=(Enum f) Q_DECL_NOTHROW { i |= Int(f); return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(QFlags f) Q_DECL_NOTHROW { i ^= f.i; return *this; }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator^=(Enum f) Q_DECL_NOTHROW { i ^= Int(f); return *this; }
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Q_DECL_CONSTEXPR inline operator Int() const Q_DECL_NOTHROW { return i; }
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Q_DECL_CONSTEXPR inline QFlags operator|(QFlags f) const Q_DECL_NOTHROW { return QFlags(QFlag(i | f.i)); }
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Q_DECL_CONSTEXPR inline QFlags operator|(Enum f) const Q_DECL_NOTHROW { return QFlags(QFlag(i | Int(f))); }
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Q_DECL_CONSTEXPR inline QFlags operator^(QFlags f) const Q_DECL_NOTHROW { return QFlags(QFlag(i ^ f.i)); }
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Q_DECL_CONSTEXPR inline QFlags operator^(Enum f) const Q_DECL_NOTHROW { return QFlags(QFlag(i ^ Int(f))); }
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Q_DECL_CONSTEXPR inline QFlags operator&(int mask) const Q_DECL_NOTHROW { return QFlags(QFlag(i & mask)); }
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Q_DECL_CONSTEXPR inline QFlags operator&(uint mask) const Q_DECL_NOTHROW { return QFlags(QFlag(i & mask)); }
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Q_DECL_CONSTEXPR inline QFlags operator&(Enum f) const Q_DECL_NOTHROW { return QFlags(QFlag(i & Int(f))); }
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Q_DECL_CONSTEXPR inline QFlags operator~() const Q_DECL_NOTHROW { return QFlags(QFlag(~i)); }
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Q_DECL_CONSTEXPR inline bool operator!() const Q_DECL_NOTHROW { return !i; }
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Q_DECL_CONSTEXPR inline bool testFlag(Enum f) const Q_DECL_NOTHROW { return (i & Int(f)) == Int(f) && (Int(f) != 0 || i == Int(f) ); }
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Q_DECL_RELAXED_CONSTEXPR inline QFlags &setFlag(Enum f, bool on = true) Q_DECL_NOTHROW
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{
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return on ? (*this |= f) : (*this &= ~Int(f));
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}
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private:
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#ifdef Q_COMPILER_INITIALIZER_LISTS
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Q_DECL_CONSTEXPR static inline Int initializer_list_helper(typename std::initializer_list<Enum>::const_iterator it,
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typename std::initializer_list<Enum>::const_iterator end)
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Q_DECL_NOTHROW
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{
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return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end)));
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}
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#endif
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Int i;
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};
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#ifndef Q_MOC_RUN
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#define Q_DECLARE_FLAGS(Flags, Enum)\
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typedef QFlags<Enum> Flags;
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#endif
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#define Q_DECLARE_INCOMPATIBLE_FLAGS(Flags) \
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Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) Q_DECL_NOTHROW \
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{ return QIncompatibleFlag(int(f1) | f2); }
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#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \
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Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
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{ return QFlags<Flags::enum_type>(f1) | f2; } \
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Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
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{ return f2 | f1; } Q_DECLARE_INCOMPATIBLE_FLAGS(Flags)
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#else /* Q_NO_TYPESAFE_FLAGS */
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#ifndef Q_MOC_RUN
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#define Q_DECLARE_FLAGS(Flags, Enum)\
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typedef uint Flags;
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#endif
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#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
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#endif /* Q_NO_TYPESAFE_FLAGS */
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QT_END_NAMESPACE
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#endif // QFLAGS_H
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