| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qimagepixmapcleanuphooks_p.h" |
| #include "private/qpixmapdata_p.h" |
| #include "private/qimage_p.h" |
| |
| |
| QT_BEGIN_NAMESPACE |
| |
| // Legacy, single instance hooks: ### Qt 5: remove |
| typedef void (*_qt_pixmap_cleanup_hook)(int); |
| typedef void (*_qt_pixmap_cleanup_hook_64)(qint64); |
| typedef void (*_qt_image_cleanup_hook)(int); |
| Q_GUI_EXPORT _qt_pixmap_cleanup_hook qt_pixmap_cleanup_hook = 0; |
| Q_GUI_EXPORT _qt_pixmap_cleanup_hook_64 qt_pixmap_cleanup_hook_64 = 0; |
| Q_GUI_EXPORT _qt_image_cleanup_hook qt_image_cleanup_hook = 0; |
| Q_GUI_EXPORT _qt_image_cleanup_hook_64 qt_image_cleanup_hook_64 = 0; |
| |
| Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks) |
| |
| QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() |
| { |
| return qt_image_and_pixmap_cleanup_hooks(); |
| } |
| |
| void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
| { |
| pixmapModificationHooks.append(hook); |
| } |
| |
| void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
| { |
| pixmapDestructionHooks.append(hook); |
| } |
| |
| |
| void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) |
| { |
| imageHooks.append(hook); |
| } |
| |
| void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
| { |
| pixmapModificationHooks.removeAll(hook); |
| } |
| |
| void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
| { |
| pixmapDestructionHooks.removeAll(hook); |
| } |
| |
| void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) |
| { |
| imageHooks.removeAll(hook); |
| } |
| |
| void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd) |
| { |
| QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
| // the global destructor for the pixmap and image hooks might have |
| // been called already if the app is "leaking" global |
| // pixmaps/images |
| if (!h) |
| return; |
| for (int i = 0; i < h->pixmapModificationHooks.count(); ++i) |
| h->pixmapModificationHooks[i](pmd); |
| |
| if (qt_pixmap_cleanup_hook_64) |
| qt_pixmap_cleanup_hook_64(pmd->cacheKey()); |
| } |
| |
| void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd) |
| { |
| QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
| // the global destructor for the pixmap and image hooks might have |
| // been called already if the app is "leaking" global |
| // pixmaps/images |
| if (!h) |
| return; |
| for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i) |
| h->pixmapDestructionHooks[i](pmd); |
| |
| if (qt_pixmap_cleanup_hook_64) |
| qt_pixmap_cleanup_hook_64(pmd->cacheKey()); |
| } |
| |
| void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) |
| { |
| for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks()->imageHooks.count(); ++i) |
| qt_image_and_pixmap_cleanup_hooks()->imageHooks[i](key); |
| |
| if (qt_image_cleanup_hook_64) |
| qt_image_cleanup_hook_64(key); |
| } |
| |
| |
| void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData) |
| { |
| pixmapData->is_cached = true; |
| } |
| |
| void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap) |
| { |
| enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data()); |
| } |
| |
| void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image) |
| { |
| const_cast<QImage &>(image).data_ptr()->is_cached = true; |
| } |
| |
| bool QImagePixmapCleanupHooks::isImageCached(const QImage &image) |
| { |
| return const_cast<QImage &>(image).data_ptr()->is_cached; |
| } |
| |
| bool QImagePixmapCleanupHooks::isPixmapCached(const QPixmap &pixmap) |
| { |
| return const_cast<QPixmap&>(pixmap).data_ptr().data()->is_cached; |
| } |
| |
| |
| |
| QT_END_NAMESPACE |