/src/qtbase/src/gui/image/qimagepixmapcleanuphooks.cpp
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1 | | // Copyright (C) 2016 The Qt Company Ltd. |
2 | | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | | // Qt-Security score:significant reason:default |
4 | | |
5 | | #include "qimagepixmapcleanuphooks_p.h" |
6 | | #include <qpa/qplatformpixmap.h> |
7 | | #include "private/qimage_p.h" |
8 | | |
9 | | |
10 | | QT_BEGIN_NAMESPACE |
11 | | |
12 | | Q_GLOBAL_STATIC(QImagePixmapCleanupHooks, qt_image_and_pixmap_cleanup_hooks) |
13 | | |
14 | | QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() |
15 | 0 | { |
16 | 0 | return qt_image_and_pixmap_cleanup_hooks(); |
17 | 0 | } |
18 | | |
19 | | void QImagePixmapCleanupHooks::addPlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
20 | 0 | { |
21 | 0 | pixmapModificationHooks.append(hook); |
22 | 0 | } |
23 | | |
24 | | void QImagePixmapCleanupHooks::addPlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
25 | 0 | { |
26 | 0 | pixmapDestructionHooks.append(hook); |
27 | 0 | } |
28 | | |
29 | | |
30 | | void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) |
31 | 0 | { |
32 | 0 | imageHooks.append(hook); |
33 | 0 | } |
34 | | |
35 | | void QImagePixmapCleanupHooks::removePlatformPixmapModificationHook(_qt_pixmap_cleanup_hook_pmd hook) |
36 | 0 | { |
37 | 0 | pixmapModificationHooks.removeAll(hook); |
38 | 0 | } |
39 | | |
40 | | void QImagePixmapCleanupHooks::removePlatformPixmapDestructionHook(_qt_pixmap_cleanup_hook_pmd hook) |
41 | 0 | { |
42 | 0 | pixmapDestructionHooks.removeAll(hook); |
43 | 0 | } |
44 | | |
45 | | void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) |
46 | 0 | { |
47 | 0 | imageHooks.removeAll(hook); |
48 | 0 | } |
49 | | |
50 | | void QImagePixmapCleanupHooks::executePlatformPixmapModificationHooks(QPlatformPixmap* pmd) |
51 | 0 | { |
52 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
53 | | // the global destructor for the pixmap and image hooks might have |
54 | | // been called already if the app is "leaking" global |
55 | | // pixmaps/images |
56 | 0 | if (!h) |
57 | 0 | return; |
58 | 0 | for (auto hook : h->pixmapModificationHooks) |
59 | 0 | hook(pmd); |
60 | 0 | } |
61 | | |
62 | | void QImagePixmapCleanupHooks::executePlatformPixmapDestructionHooks(QPlatformPixmap* pmd) |
63 | 0 | { |
64 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
65 | | // the global destructor for the pixmap and image hooks might have |
66 | | // been called already if the app is "leaking" global |
67 | | // pixmaps/images |
68 | 0 | if (!h) |
69 | 0 | return; |
70 | 0 | for (auto hook : h->pixmapDestructionHooks) |
71 | 0 | hook(pmd); |
72 | 0 | } |
73 | | |
74 | | void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) |
75 | 0 | { |
76 | 0 | const QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks(); |
77 | | // the global destructor for the pixmap and image hooks might have |
78 | | // been called already if the app is "leaking" global |
79 | | // pixmaps/images |
80 | 0 | if (!h) |
81 | 0 | return; |
82 | 0 | for (auto hook : h->imageHooks) |
83 | 0 | hook(key); |
84 | 0 | } |
85 | | |
86 | | |
87 | | void QImagePixmapCleanupHooks::enableCleanupHooks(QPlatformPixmap *handle) |
88 | 0 | { |
89 | 0 | handle->is_cached = true; |
90 | 0 | } |
91 | | |
92 | | void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap) |
93 | 0 | { |
94 | 0 | enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data()); |
95 | 0 | } |
96 | | |
97 | | void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image) |
98 | 0 | { |
99 | 0 | const_cast<QImage &>(image).data_ptr()->is_cached = true; |
100 | 0 | } |
101 | | |
102 | | bool QImagePixmapCleanupHooks::isImageCached(const QImage &image) |
103 | 0 | { |
104 | 0 | return const_cast<QImage &>(image).data_ptr()->is_cached; |
105 | 0 | } |
106 | | |
107 | | bool QImagePixmapCleanupHooks::isPixmapCached(const QPixmap &pixmap) |
108 | 0 | { |
109 | 0 | return const_cast<QPixmap&>(pixmap).data_ptr().data()->is_cached; |
110 | 0 | } |
111 | | |
112 | | |
113 | | |
114 | | QT_END_NAMESPACE |