| 1 | // Copyright (C) 2017 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 QSHAREDIMAGEPROVIDER_H | 
| 5 | #define QSHAREDIMAGEPROVIDER_H | 
| 6 | |
| 7 | // | 
| 8 | // W A R N I N G | 
| 9 | // ------------- | 
| 10 | // | 
| 11 | // This file is not part of the Qt API. It exists purely as an | 
| 12 | // implementation detail. This header file may change from version to | 
| 13 | // version without notice, or even be removed. | 
| 14 | // | 
| 15 | // We mean it. | 
| 16 | // | 
| 17 | |
| 18 | #include "qtlabssharedimageglobal_p.h" | 
| 19 | |
| 20 | #include <QQuickImageProvider> | 
| 21 | #include <private/qquickpixmap_p.h> | 
| 22 | #include <QScopedPointer> | 
| 23 | |
| 24 | #include "qsharedimageloader_p.h" | 
| 25 | |
| 26 | QT_BEGIN_NAMESPACE | 
| 27 | |
| 28 | class SharedImageProvider; | 
| 29 | |
| 30 | class QuickSharedImageLoader : public QSharedImageLoader | 
| 31 | { | 
| 32 | Q_OBJECT | 
| 33 | friend class SharedImageProvider; | 
| 34 | |
| 35 | public: | 
| 36 | enum ImageParameter { | 
| 37 | OriginalSize = 0, | 
| 38 | RequestedSize, | 
| 39 | ProviderOptions, | 
| 40 | NumImageParameters | 
| 41 | }; | 
| 42 | |
| 43 | QuickSharedImageLoader(QObject *parent = nullptr); | 
| 44 | protected: | 
| 45 | QImage loadFile(const QString &path, ImageParameters *params) override; | 
| 46 | QString key(const QString &path, ImageParameters *params) override; | 
| 47 | }; | 
| 48 | |
| 49 | class Q_LABSSHAREDIMAGE_EXPORT SharedImageProvider : public QQuickImageProviderWithOptions | 
| 50 | { | 
| 51 | public: | 
| 52 | SharedImageProvider(); | 
| 53 | |
| 54 | QImage requestImage(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options) override; | 
| 55 | |
| 56 | protected: | 
| 57 | QScopedPointer<QuickSharedImageLoader> loader; | 
| 58 | }; | 
| 59 | |
| 60 | QT_END_NAMESPACE | 
| 61 | |
| 62 | #endif // QSHAREDIMAGEPROVIDER_H | 
| 63 | 
