[556] | 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the QtGui module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qimagepixmapcleanuphooks_p.h"
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| 43 | #include "private/qpixmapdata_p.h"
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| 44 | #include "private/qimage_p.h"
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| 45 |
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| 46 |
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| 47 | QT_BEGIN_NAMESPACE
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| 48 |
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| 49 | // Legacy, single instance hooks: ### Qt 5: remove
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| 50 | typedef void (*_qt_pixmap_cleanup_hook)(int);
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| 51 | typedef void (*_qt_pixmap_cleanup_hook_64)(qint64);
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| 52 | typedef void (*_qt_image_cleanup_hook)(int);
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| 53 | Q_GUI_EXPORT _qt_pixmap_cleanup_hook qt_pixmap_cleanup_hook = 0;
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| 54 | Q_GUI_EXPORT _qt_pixmap_cleanup_hook_64 qt_pixmap_cleanup_hook_64 = 0;
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| 55 | Q_GUI_EXPORT _qt_image_cleanup_hook qt_image_cleanup_hook = 0;
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| 56 | Q_GUI_EXPORT _qt_image_cleanup_hook_64 qt_image_cleanup_hook_64 = 0;
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| 57 |
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| 58 | Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks)
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| 59 |
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| 60 | QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
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| 61 | {
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| 62 | return qt_image_and_pixmap_cleanup_hooks();
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| 63 | }
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| 64 |
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| 65 | void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
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| 66 | {
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| 67 | pixmapModificationHooks.append(hook);
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| 68 | }
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| 69 |
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| 70 | void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
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| 71 | {
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| 72 | pixmapDestructionHooks.append(hook);
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| 73 | }
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| 74 |
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| 75 |
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| 76 | void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
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| 77 | {
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| 78 | imageHooks.append(hook);
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| 79 | }
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| 80 |
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| 81 | void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
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| 82 | {
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| 83 | pixmapModificationHooks.removeAll(hook);
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| 84 | }
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| 85 |
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| 86 | void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
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| 87 | {
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| 88 | pixmapDestructionHooks.removeAll(hook);
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| 89 | }
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| 90 |
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| 91 | void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
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| 92 | {
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| 93 | imageHooks.removeAll(hook);
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| 94 | }
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| 95 |
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| 96 | void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm)
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| 97 | {
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| 98 | QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
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| 99 | for (int i = 0; i < h->pixmapModificationHooks.count(); ++i)
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| 100 | h->pixmapModificationHooks[i](pm);
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| 101 |
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| 102 | if (qt_pixmap_cleanup_hook_64)
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| 103 | qt_pixmap_cleanup_hook_64(pm->cacheKey());
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| 104 | }
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| 105 |
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| 106 | void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm)
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| 107 | {
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| 108 | QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
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| 109 | for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i)
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| 110 | h->pixmapDestructionHooks[i](pm);
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| 111 |
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| 112 | if (qt_pixmap_cleanup_hook_64)
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| 113 | qt_pixmap_cleanup_hook_64(pm->cacheKey());
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| 114 | }
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| 115 |
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| 116 | void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
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| 117 | {
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| 118 | for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks()->imageHooks.count(); ++i)
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| 119 | qt_image_and_pixmap_cleanup_hooks()->imageHooks[i](key);
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| 120 |
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| 121 | if (qt_image_cleanup_hook_64)
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| 122 | qt_image_cleanup_hook_64(key);
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| 123 | }
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| 124 |
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| 125 | void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap)
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| 126 | {
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| 127 | enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data());
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| 128 | }
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| 129 |
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| 130 | void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData)
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| 131 | {
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| 132 | pixmapData->is_cached = true;
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| 133 | }
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| 134 |
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| 135 | void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image)
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| 136 | {
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| 137 | const_cast<QImage &>(image).data_ptr()->is_cached = true;
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| 138 | }
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| 139 |
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| 140 | QT_END_NAMESPACE
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