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