/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QPIXMAPCACHE_H #define QPIXMAPCACHE_H #include #include QT_BEGIN_NAMESPACE class Q_GUI_EXPORT QPixmapCache { public: class KeyData; class Q_GUI_EXPORT Key { public: Key(); Key(const Key &other); #ifdef Q_COMPILER_RVALUE_REFS Key(Key &&other) Q_DECL_NOTHROW : d(other.d) { other.d = nullptr; } Key &operator =(Key &&other) Q_DECL_NOTHROW { swap(other); return *this; } #endif ~Key(); bool operator ==(const Key &key) const; inline bool operator !=(const Key &key) const { return !operator==(key); } Key &operator =(const Key &other); void swap(Key &other) Q_DECL_NOTHROW { qSwap(d, other.d); } bool isValid() const Q_DECL_NOTHROW; private: KeyData *d; friend class QPMCache; friend class QPixmapCache; }; static int cacheLimit(); static void setCacheLimit(int); static QPixmap *find(const QString &key); static bool find(const QString &key, QPixmap &pixmap); static bool find(const QString &key, QPixmap *pixmap); static bool find(const Key &key, QPixmap *pixmap); static bool insert(const QString &key, const QPixmap &pixmap); static Key insert(const QPixmap &pixmap); static bool replace(const Key &key, const QPixmap &pixmap); static void remove(const QString &key); static void remove(const Key &key); static void clear(); #ifdef Q_TEST_QPIXMAPCACHE static void flushDetachedPixmaps(); static int totalUsed(); #endif }; Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QPixmapCache::Key) QT_END_NAMESPACE #endif // QPIXMAPCACHE_H