| 1 | /* |
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| 2 | SPDX-FileCopyrightText: 2014 Aleix Pol Gonzalez <aleixpol@blue-systems.com> |
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| 3 | |
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| 4 | SPDX-License-Identifier: LGPL-2.0-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef IMAGETEXTURESCACHE_H |
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| 8 | #define IMAGETEXTURESCACHE_H |
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| 9 | |
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| 10 | #include <QQuickWindow> |
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| 11 | #include <QSharedPointer> |
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| 12 | |
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| 13 | class QImage; |
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| 14 | class QSGTexture; |
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| 15 | class ImageTexturesCachePrivate; |
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| 16 | |
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| 17 | /* |
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| 18 | * Helps to manage textures by creating images and reference counts them. |
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| 19 | * |
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| 20 | * Use this class as a factory for textures, when creating them from a QImage |
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| 21 | * instance. Keeps track of all the created textures in a map between the |
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| 22 | * QImage::cacheKey() and the cached texture until it gets de-referenced. |
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| 23 | * |
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| 24 | * \sa ManagedTextureNode |
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| 25 | */ |
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| 26 | class ImageTexturesCache |
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| 27 | { |
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| 28 | public: |
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| 29 | ImageTexturesCache(); |
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| 30 | ~ImageTexturesCache(); |
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| 31 | |
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| 32 | /*! |
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| 33 | * Returns the texture for a given window and image. |
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| 34 | * |
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| 35 | * If image id is the same as one already provided before, we will not |
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| 36 | * create a new texture, and will instead return a shared pointer to the existing texture. |
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| 37 | */ |
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| 38 | QSharedPointer<QSGTexture> loadTexture(QQuickWindow *window, const QImage &image, QQuickWindow::CreateTextureOptions options); |
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| 39 | |
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| 40 | QSharedPointer<QSGTexture> loadTexture(QQuickWindow *window, const QImage &image); |
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| 41 | |
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| 42 | private: |
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| 43 | QScopedPointer<ImageTexturesCachePrivate> d; |
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| 44 | }; |
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| 45 | |
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| 46 | #endif // IMAGETEXTURESCACHE_H |
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| 47 | |
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