author | eckhart.koppen@nokia.com |
Wed, 31 Mar 2010 11:06:36 +0300 | |
changeset 7 | f7bc934e204c |
parent 3 | 41300fa6a67c |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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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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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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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, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia 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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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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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 QIMAGEPIXMAP_CLEANUPHOOKS_P_H |
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#define QIMAGEPIXMAP_CLEANUPHOOKS_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. It exists purely as an |
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// implementation detail. This header file may change from version to |
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// 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 <QtGui/qpixmap.h> |
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QT_BEGIN_NAMESPACE |
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typedef void (*_qt_image_cleanup_hook_64)(qint64); |
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typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPixmapData*); |
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class QImagePixmapCleanupHooks; |
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class Q_GUI_EXPORT QImagePixmapCleanupHooks |
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{ |
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public: |
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static QImagePixmapCleanupHooks *instance(); |
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static void enableCleanupHooks(const QImage &image); |
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static void enableCleanupHooks(const QPixmap &pixmap); |
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static void enableCleanupHooks(QPixmapData *pixmapData); |
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static bool isImageCached(const QImage &image); |
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static bool isPixmapCached(const QPixmap &pixmap); |
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// Gets called when a pixmap data is about to be modified: |
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void addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); |
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// Gets called when a pixmap data is about to be destroyed: |
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void addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd); |
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// Gets called when an image is about to be modified or destroyed: |
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void addImageHook(_qt_image_cleanup_hook_64); |
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void removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd); |
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void removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd); |
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void removeImageHook(_qt_image_cleanup_hook_64); |
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static void executePixmapDataModificationHooks(QPixmapData*); |
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static void executePixmapDataDestructionHooks(QPixmapData*); |
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static void executeImageHooks(qint64 key); |
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private: |
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QList<_qt_image_cleanup_hook_64> imageHooks; |
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QList<_qt_pixmap_cleanup_hook_pmd> pixmapModificationHooks; |
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QList<_qt_pixmap_cleanup_hook_pmd> pixmapDestructionHooks; |
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}; |
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QT_END_NAMESPACE |
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#endif // QIMAGEPIXMAP_CLEANUPHOOKS_P_H |