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Diffstat (limited to 'src/gui/image/qimagepixmapcleanuphooks.cpp')
| -rw-r--r-- | src/gui/image/qimagepixmapcleanuphooks.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp new file mode 100644 index 0000000..7d1c5fb --- /dev/null +++ b/src/gui/image/qimagepixmapcleanuphooks.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** 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 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 http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qimagepixmapcleanuphooks_p.h" +#include "qpixmapdata_p.h" + + +// 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; + + +QImagePixmapCleanupHooks* qt_image_and_pixmap_cleanup_hooks = 0; + + +QImagePixmapCleanupHooks::QImagePixmapCleanupHooks() +{ + qt_image_and_pixmap_cleanup_hooks = this; +} + +QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() +{ + if (!qt_image_and_pixmap_cleanup_hooks) + qt_image_and_pixmap_cleanup_hooks = new QImagePixmapCleanupHooks; + return qt_image_and_pixmap_cleanup_hooks; +} + +void QImagePixmapCleanupHooks::addPixmapHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapHooks.append(hook); +} + +void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) +{ + imageHooks.append(hook); +} + +void QImagePixmapCleanupHooks::removePixmapHook(_qt_pixmap_cleanup_hook_pm hook) +{ + pixmapHooks.removeAll(hook); +} + +void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) +{ + imageHooks.removeAll(hook); +} + + +void QImagePixmapCleanupHooks::executePixmapHooks(QPixmap* pm) +{ + for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapHooks.count(); ++i) + qt_image_and_pixmap_cleanup_hooks->pixmapHooks[i](pm); + + if (qt_pixmap_cleanup_hook_64) + qt_pixmap_cleanup_hook_64(pm->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); +} + |