/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** 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 | |
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** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
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** 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: | |
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** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#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 |