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Diffstat (limited to 'src/gui/image/qpixmapcache_p.h')
-rw-r--r-- | src/gui/image/qpixmapcache_p.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/gui/image/qpixmapcache_p.h b/src/gui/image/qpixmapcache_p.h new file mode 100644 index 0000000..5aa6eaf --- /dev/null +++ b/src/gui/image/qpixmapcache_p.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 + +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); + 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 |