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