| 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 | #ifndef QPIXMAPCACHE_P_H |
| 5 | #define QPIXMAPCACHE_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. This header |
| 12 | // file may change from version to version without notice, or even be removed. |
| 13 | // |
| 14 | // We mean it. |
| 15 | // |
| 16 | |
| 17 | #include <QtGui/private/qtguiglobal_p.h> |
| 18 | #include "qpixmapcache.h" |
| 19 | #include "qpaintengine.h" |
| 20 | #include <private/qimage_p.h> |
| 21 | #include <private/qpixmap_raster_p.h> |
| 22 | #include "qcache.h" |
| 23 | |
| 24 | QT_BEGIN_NAMESPACE |
| 25 | |
| 26 | size_t qHash(const QPixmapCache::Key &k, size_t seed = 0); |
| 27 | |
| 28 | class QPixmapCache::KeyData |
| 29 | { |
| 30 | public: |
| 31 | KeyData() : isValid(true), key(0), ref(1) {} |
| 32 | KeyData(const KeyData &other) |
| 33 | : isValid(other.isValid), key(other.key), ref(1) {} |
| 34 | ~KeyData() {} |
| 35 | |
| 36 | bool isValid; |
| 37 | int key; |
| 38 | int ref; |
| 39 | }; |
| 40 | |
| 41 | // XXX: hw: is this a general concept we need to abstract? |
| 42 | class QPixmapCacheEntry : public QPixmap |
| 43 | { |
| 44 | public: |
| 45 | QPixmapCacheEntry(const QPixmapCache::Key &key, const QPixmap &pix) : QPixmap(pix), key(key) |
| 46 | { |
| 47 | QPlatformPixmap *pd = handle(); |
| 48 | if (pd && pd->classId() == QPlatformPixmap::RasterClass) { |
| 49 | QRasterPlatformPixmap *d = static_cast<QRasterPlatformPixmap*>(pd); |
| 50 | if (!d->image.isNull() && d->image.d->paintEngine |
| 51 | && !d->image.d->paintEngine->isActive()) |
| 52 | { |
| 53 | delete d->image.d->paintEngine; |
| 54 | d->image.d->paintEngine = nullptr; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | ~QPixmapCacheEntry(); |
| 59 | QPixmapCache::Key key; |
| 60 | }; |
| 61 | |
| 62 | QT_END_NAMESPACE |
| 63 | |
| 64 | #endif // QPIXMAPCACHE_P_H |
| 65 |