/******************************************************************************** Copyright (C) 2009 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.**** $QT_BEGIN_LICENSE:LGPL$** 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 Technology Preview License Agreement accompanying** this package.**** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef QIMAGEPIXMAP_CLEANUPHOOKS_P_H#define QIMAGEPIXMAP_CLEANUPHOOKS_P_H//// W A R N I N G// -------------//// This file is not part of the Qt API. It exists purely as an// implementation detail. This header file may change from version to// version without notice, or even be removed.//// We mean it.//#include <QtGui/qpixmap.h>QT_BEGIN_NAMESPACEtypedef void (*_qt_image_cleanup_hook_64)(qint64);typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*);class QImagePixmapCleanupHooks;class Q_GUI_EXPORT QImagePixmapCleanupHooks{public: static QImagePixmapCleanupHooks *instance(); static void enableCleanupHooks(const QImage &image); static void enableCleanupHooks(const QPixmap &pixmap); static void enableCleanupHooks(QPixmapData *pixmapData); // Gets called when a pixmap is about to be modified: void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm); // Gets called when a pixmap is about to be destroyed: void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); // Gets called when an image is about to be modified or destroyed: void addImageHook(_qt_image_cleanup_hook_64); void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm); void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm); void removeImageHook(_qt_image_cleanup_hook_64); static void executePixmapModificationHooks(QPixmap*); static void executePixmapDestructionHooks(QPixmap*); static void executeImageHooks(qint64 key);private: QList<_qt_image_cleanup_hook_64> imageHooks; QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks; QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks;};QT_END_NAMESPACE#endif // QIMAGEPIXMAP_CLEANUPHOOKS_P_H