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102 lines
3.6 KiB
C++
102 lines
3.6 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 QPIXMAPCACHE_H
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#define QPIXMAPCACHE_H
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#include <QtGui/qtguiglobal.h>
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#include <QtGui/qpixmap.h>
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QT_BEGIN_NAMESPACE
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class Q_GUI_EXPORT QPixmapCache
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{
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public:
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class KeyData;
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class Q_GUI_EXPORT Key
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{
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public:
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Key();
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Key(const Key &other);
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Key(Key &&other) noexcept : d(other.d) { other.d = nullptr; }
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Key &operator =(Key &&other) noexcept { swap(other); return *this; }
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~Key();
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bool operator ==(const Key &key) const;
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inline bool operator !=(const Key &key) const
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{ return !operator==(key); }
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Key &operator =(const Key &other);
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void swap(Key &other) noexcept { qSwap(d, other.d); }
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bool isValid() const noexcept;
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private:
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KeyData *d;
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friend class QPMCache;
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friend class QPixmapCache;
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};
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static int cacheLimit();
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static void setCacheLimit(int);
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#if QT_DEPRECATED_SINCE(5, 13)
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QT_DEPRECATED_X("Use bool find(const QString &, QPixmap *) instead")
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static QPixmap *find(const QString &key);
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QT_DEPRECATED_X("Use bool find(const QString &, QPixmap *) instead")
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static bool find(const QString &key, QPixmap &pixmap);
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#endif
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static bool find(const QString &key, QPixmap *pixmap);
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static bool find(const Key &key, QPixmap *pixmap);
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static bool insert(const QString &key, const QPixmap &pixmap);
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static Key insert(const QPixmap &pixmap);
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static bool replace(const Key &key, const QPixmap &pixmap);
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static void remove(const QString &key);
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static void remove(const Key &key);
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static void clear();
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#ifdef Q_TEST_QPIXMAPCACHE
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static void flushDetachedPixmaps();
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static int totalUsed();
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#endif
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};
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Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QPixmapCache::Key)
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QT_END_NAMESPACE
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#endif // QPIXMAPCACHE_H
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