102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPIXMAPCACHE_P_H
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#define QPIXMAPCACHE_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. This header
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// file may change from version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qpixmapcache.h"
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#include "qpaintengine.h"
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#include <private/qimage_p.h>
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#include <private/qpixmap_raster_p.h>
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#include "qcache.h"
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QT_BEGIN_NAMESPACE
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uint qHash(const QPixmapCache::Key &k);
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class QPixmapCache::KeyData
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{
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public:
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KeyData() : isValid(true), key(0), ref(1) {}
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KeyData(const KeyData &other)
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: isValid(other.isValid), key(other.key), ref(1) {}
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~KeyData() {}
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bool isValid;
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int key;
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int ref;
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};
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// XXX: hw: is this a general concept we need to abstract?
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class QPixmapCacheEntry : public QPixmap
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{
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public:
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QPixmapCacheEntry(const QPixmapCache::Key &key, const QPixmap &pix) : QPixmap(pix), key(key)
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{
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QPlatformPixmap *pd = handle();
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if (pd && pd->classId() == QPlatformPixmap::RasterClass) {
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QRasterPlatformPixmap *d = static_cast<QRasterPlatformPixmap*>(pd);
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if (!d->image.isNull() && d->image.d->paintEngine
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&& !d->image.d->paintEngine->isActive())
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{
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delete d->image.d->paintEngine;
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d->image.d->paintEngine = 0;
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}
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}
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}
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~QPixmapCacheEntry();
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QPixmapCache::Key key;
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};
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QT_END_NAMESPACE
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#endif // QPIXMAPCACHE_P_H
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