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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXMAPCACHE_P_H
#define QPIXMAPCACHE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#include "qpixmapcache.h"
#include "qpaintengine.h"
#include <private/qimage_p.h>
#include <private/qpixmap_raster_p.h>
#include "qcache.h"
QT_BEGIN_NAMESPACE
uint qHash(const QPixmapCache::Key &k);
class QPixmapCache::KeyData
{
public:
KeyData() : isValid(true), key(0), ref(1) {}
KeyData(const KeyData &other)
: isValid(other.isValid), key(other.key), ref(1) {}
~KeyData() {}
bool isValid;
int key;
int ref;
};
// XXX: hw: is this a general concept we need to abstract?
class QDetachedPixmap : public QPixmap
{
public:
QDetachedPixmap(const QPixmap &pix) : QPixmap(pix)
{
if (data && data->classId() == QPixmapData::RasterClass) {
QRasterPixmapData *d = static_cast<QRasterPixmapData*>(data.data());
if (!d->image.isNull() && d->image.d->paintEngine
&& !d->image.d->paintEngine->isActive())
{
delete d->image.d->paintEngine;
d->image.d->paintEngine = 0;
}
}
}
};
QT_END_NAMESPACE
#endif // QPIXMAPCACHE_P_H
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