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149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qimagepixmapcleanuphooks_p.h"
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#include "qpixmapdata_p.h"
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#include "qimage_p.h"
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QT_BEGIN_NAMESPACE
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Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks)
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QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
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{
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return qt_image_and_pixmap_cleanup_hooks();
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}
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void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
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{
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pixmapModificationHooks.append(hook);
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}
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void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
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{
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pixmapDestructionHooks.append(hook);
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}
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void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
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{
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imageHooks.append(hook);
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}
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void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
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{
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pixmapModificationHooks.removeAll(hook);
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}
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void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
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{
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pixmapDestructionHooks.removeAll(hook);
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}
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void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
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{
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imageHooks.removeAll(hook);
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}
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void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd)
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{
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QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
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// the global destructor for the pixmap and image hooks might have
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// been called already if the app is "leaking" global
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// pixmaps/images
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if (!h)
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return;
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for (int i = 0; i < h->pixmapModificationHooks.count(); ++i)
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h->pixmapModificationHooks[i](pmd);
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}
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void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd)
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{
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QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
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// the global destructor for the pixmap and image hooks might have
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// been called already if the app is "leaking" global
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// pixmaps/images
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if (!h)
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return;
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for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i)
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h->pixmapDestructionHooks[i](pmd);
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}
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void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
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{
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for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks()->imageHooks.count(); ++i)
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qt_image_and_pixmap_cleanup_hooks()->imageHooks[i](key);
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}
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void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData)
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{
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pixmapData->is_cached = true;
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}
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void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap)
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{
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const_cast<QPixmap &>(pixmap).data_ptr().data()->is_cached = true;
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}
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void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image)
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{
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const_cast<QImage &>(image).data_ptr()->is_cached = true;
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}
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bool QImagePixmapCleanupHooks::isImageCached(const QImage &image)
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{
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return const_cast<QImage &>(image).data_ptr()->is_cached;
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}
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bool QImagePixmapCleanupHooks::isPixmapCached(const QPixmap &pixmap)
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{
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return const_cast<QPixmap&>(pixmap).data_ptr().data()->is_cached;
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}
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QT_END_NAMESPACE
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