/**************************************************************************** | |
** | |
** Copyright (C) 2011 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#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 QPixmapCacheEntry : public QPixmap | |
{ | |
public: | |
QPixmapCacheEntry(const QPixmapCache::Key &key, const QPixmap &pix) : QPixmap(pix), key(key) | |
{ | |
QPixmapData *pd = pixmapData(); | |
if (pd && pd->classId() == QPixmapData::RasterClass) { | |
QRasterPixmapData *d = static_cast<QRasterPixmapData*>(pd); | |
if (!d->image.isNull() && d->image.d->paintEngine | |
&& !d->image.d->paintEngine->isActive()) | |
{ | |
delete d->image.d->paintEngine; | |
d->image.d->paintEngine = 0; | |
} | |
} | |
} | |
~QPixmapCacheEntry(); | |
QPixmapCache::Key key; | |
}; | |
inline bool qIsDetached(QPixmapCacheEntry &t) { return t.isDetached(); } | |
QT_END_NAMESPACE | |
#endif // QPIXMAPCACHE_P_H |