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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXMAPCACHE_H
#define QPIXMAPCACHE_H
#include <QtGui/qpixmap.h>
#ifdef Q_TEST_QPIXMAPCACHE
#include <QtCore/qpair.h>
#endif
QT_BEGIN_NAMESPACE
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
#endif // QPIXMAPCACHE_H
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