/src/qtbase/src/gui/image/qimagepixmapcleanuphooks.cpp
Line | Count | Source |
1 | | /**************************************************************************** |
2 | | ** |
3 | | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | | ** Contact: https://www.qt.io/licensing/ |
5 | | ** |
6 | | ** This file is part of the QtGui module of the Qt Toolkit. |
7 | | ** |
8 | | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | | ** Commercial License Usage |
10 | | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | | ** accordance with the commercial license agreement provided with the |
12 | | ** Software or, alternatively, in accordance with the terms contained in |
13 | | ** a written agreement between you and The Qt Company. For licensing terms |
14 | | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | | ** information use the contact form at https://www.qt.io/contact-us. |
16 | | ** |
17 | | ** GNU Lesser General Public License Usage |
18 | | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | | ** General Public License version 3 as published by the Free Software |
20 | | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | | ** packaging of this file. Please review the following information to |
22 | | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | | ** |
25 | | ** GNU General Public License Usage |
26 | | ** Alternatively, this file may be used under the terms of the GNU |
27 | | ** General Public License version 2.0 or (at your option) the GNU General |
28 | | ** Public license version 3 or any later version approved by the KDE Free |
29 | | ** Qt Foundation. The licenses are as published by the Free Software |
30 | | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | | ** included in the packaging of this file. Please review the following |
32 | | ** information to ensure the GNU General Public License requirements will |
33 | | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | | ** |
36 | | ** $QT_END_LICENSE$ |
37 | | ** |
38 | | ****************************************************************************/ |
39 | | |
40 | | #include "qimagepixmapcleanuphooks_p.h" |
41 | | #include <qpa/qplatformpixmap.h> |
42 | | #include "private/qimage_p.h" |
43 | | |
44 | | |
45 | | QT_BEGIN_NAMESPACE |
46 | | |
47 | | Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks) |
48 | | |
49 | | QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() |
50 | 0 | { |
51 | 0 | return qt_image_and_pixmap_cleanup_hooks(); |
52 | 0 | } |
53 | | |
54 | | void QImagePixmapCleanupHooks::addPlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
55 | 0 | { |
56 | 0 | pixmapModificationHooks.append(hook); |
57 | 0 | } |
58 | | |
59 | | void QImagePixmapCleanupHooks::addPlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
60 | 0 | { |
61 | 0 | pixmapDestructionHooks.append(hook); |
62 | 0 | } |
63 | | |
64 | | |
65 | | void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) |
66 | 0 | { |
67 | 0 | imageHooks.append(hook); |
68 | 0 | } |
69 | | |
70 | | void QImagePixmapCleanupHooks::removePlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
71 | 0 | { |
72 | 0 | pixmapModificationHooks.removeAll(hook); |
73 | 0 | } |
74 | | |
75 | | void QImagePixmapCleanupHooks::removePlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
76 | 0 | { |
77 | 0 | pixmapDestructionHooks.removeAll(hook); |
78 | 0 | } |
79 | | |
80 | | void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) |
81 | 0 | { |
82 | 0 | imageHooks.removeAll(hook); |
83 | 0 | } |
84 | | |
85 | | void QImagePixmapCleanupHooks::executePlatformPixmapModificationHooks(QPlatformPixmap* pmd) |
86 | 0 | { |
87 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
88 | | // the global destructor for the pixmap and image hooks might have |
89 | | // been called already if the app is "leaking" global |
90 | | // pixmaps/images |
91 | 0 | if (!h) |
92 | 0 | return; |
93 | 0 | for (auto hook : h->pixmapModificationHooks) |
94 | 0 | hook(pmd); |
95 | 0 | } |
96 | | |
97 | | void QImagePixmapCleanupHooks::executePlatformPixmapDestructionHooks(QPlatformPixmap* pmd) |
98 | 0 | { |
99 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
100 | | // the global destructor for the pixmap and image hooks might have |
101 | | // been called already if the app is "leaking" global |
102 | | // pixmaps/images |
103 | 0 | if (!h) |
104 | 0 | return; |
105 | 0 | for (auto hook : h->pixmapDestructionHooks) |
106 | 0 | hook(pmd); |
107 | 0 | } |
108 | | |
109 | | void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) |
110 | 0 | { |
111 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
112 | | // the global destructor for the pixmap and image hooks might have |
113 | | // been called already if the app is "leaking" global |
114 | | // pixmaps/images |
115 | 0 | if (!h) |
116 | 0 | return; |
117 | 0 | for (auto hook : h->imageHooks) |
118 | 0 | hook(key); |
119 | 0 | } |
120 | | |
121 | | |
122 | | void QImagePixmapCleanupHooks::enableCleanupHooks(QPlatformPixmap *handle) |
123 | 0 | { |
124 | 0 | handle->is_cached = true; |
125 | 0 | } |
126 | | |
127 | | void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap) |
128 | 0 | { |
129 | 0 | enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data()); |
130 | 0 | } |
131 | | |
132 | | void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image) |
133 | 0 | { |
134 | 0 | const_cast<QImage &>(image).data_ptr()->is_cached = true; |
135 | 0 | } |
136 | | |
137 | | bool QImagePixmapCleanupHooks::isImageCached(const QImage &image) |
138 | 0 | { |
139 | 0 | return const_cast<QImage &>(image).data_ptr()->is_cached; |
140 | 0 | } |
141 | | |
142 | | bool QImagePixmapCleanupHooks::isPixmapCached(const QPixmap &pixmap) |
143 | 0 | { |
144 | 0 | return const_cast<QPixmap&>(pixmap).data_ptr().data()->is_cached; |
145 | 0 | } |
146 | | |
147 | | |
148 | | |
149 | | QT_END_NAMESPACE |