| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQUICKFRAMEBUFFEROBJECT_H |
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| 5 | #define QQUICKFRAMEBUFFEROBJECT_H |
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| 6 | |
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| 7 | #include <QtQuick/QQuickItem> |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | class QOpenGLFramebufferObject; |
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| 12 | class QQuickFramebufferObjectPrivate; |
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| 13 | class QSGFramebufferObjectNode; |
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| 14 | |
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| 15 | class Q_QUICK_EXPORT QQuickFramebufferObject : public QQuickItem |
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| 16 | { |
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| 17 | Q_OBJECT |
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| 18 | Q_DECLARE_PRIVATE(QQuickFramebufferObject) |
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| 19 | |
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| 20 | Q_PROPERTY(bool textureFollowsItemSize READ textureFollowsItemSize WRITE setTextureFollowsItemSize NOTIFY textureFollowsItemSizeChanged) |
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| 21 | Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged) |
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| 22 | |
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| 23 | public: |
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| 24 | |
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| 25 | class Q_QUICK_EXPORT Renderer { |
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| 26 | protected: |
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| 27 | Renderer(); |
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| 28 | virtual ~Renderer(); |
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| 29 | virtual void render() = 0; |
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| 30 | virtual QOpenGLFramebufferObject *createFramebufferObject(const QSize &size); |
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| 31 | virtual void synchronize(QQuickFramebufferObject *); |
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| 32 | QOpenGLFramebufferObject *framebufferObject() const; |
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| 33 | void update(); |
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| 34 | void invalidateFramebufferObject(); |
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| 35 | private: |
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| 36 | friend class QSGFramebufferObjectNode; |
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| 37 | friend class QQuickFramebufferObject; |
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| 38 | void *data; |
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| 39 | }; |
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| 40 | |
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| 41 | QQuickFramebufferObject(QQuickItem *parent = nullptr); |
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| 42 | |
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| 43 | bool textureFollowsItemSize() const; |
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| 44 | void setTextureFollowsItemSize(bool follows); |
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| 45 | |
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| 46 | bool mirrorVertically() const; |
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| 47 | void setMirrorVertically(bool enable); |
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| 48 | |
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| 49 | virtual Renderer *createRenderer() const = 0; |
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| 50 | |
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| 51 | bool isTextureProvider() const override; |
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| 52 | QSGTextureProvider *textureProvider() const override; |
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| 53 | void releaseResources() override; |
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| 54 | |
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| 55 | protected: |
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| 56 | void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
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| 57 | |
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| 58 | protected: |
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| 59 | QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; |
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| 60 | |
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| 61 | Q_SIGNALS: |
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| 62 | void textureFollowsItemSizeChanged(bool); |
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| 63 | void mirrorVerticallyChanged(bool); |
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| 64 | |
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| 65 | private Q_SLOTS: |
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| 66 | void invalidateSceneGraph(); |
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| 67 | }; |
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| 68 | |
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| 69 | QT_END_NAMESPACE |
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| 70 | |
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| 71 | #endif // QQUICKFRAMEBUFFEROBJECT_H |
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| 72 | |
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