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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXMAPCACHE_H
#define QPIXMAPCACHE_H
#include <QtGui/qpixmap.h>
#ifdef Q_TEST_QPIXMAPCACHE
#include <QtCore/qpair.h>
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class Q_GUI_EXPORT QPixmapCache
{
public:
class KeyData;
class Q_GUI_EXPORT Key
{
public:
Key();
Key(const Key &other);
~Key();
bool operator ==(const Key &key) const;
inline bool operator !=(const Key &key) const
{ return !operator==(key); }
Key &operator =(const Key &other);
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();
static QList< QPair<QString,QPixmap> > allPixmaps();
#endif
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPIXMAPCACHE_H
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