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| |
| #ifndef QQUICKFRAMEBUFFEROBJECT_H |
| #define QQUICKFRAMEBUFFEROBJECT_H |
| |
| #include <QtQuick/QQuickItem> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLFramebufferObject; |
| class QQuickFramebufferObjectPrivate; |
| class QSGFramebufferObjectNode; |
| |
| // ### Qt 6: Consider what to do here. QQuickFbo supports both direct OpenGL and |
| // OpenGL via QRhi, but it cannot function when running with another rhi backend. |
| |
| class Q_QUICK_EXPORT QQuickFramebufferObject : public QQuickItem |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QQuickFramebufferObject) |
| |
| Q_PROPERTY(bool textureFollowsItemSize READ textureFollowsItemSize WRITE setTextureFollowsItemSize NOTIFY textureFollowsItemSizeChanged) |
| Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged) |
| |
| public: |
| |
| class Q_QUICK_EXPORT Renderer { |
| protected: |
| Renderer(); |
| virtual ~Renderer(); |
| virtual void render() = 0; |
| virtual QOpenGLFramebufferObject *createFramebufferObject(const QSize &size); |
| virtual void synchronize(QQuickFramebufferObject *); |
| QOpenGLFramebufferObject *framebufferObject() const; |
| void update(); |
| void invalidateFramebufferObject(); |
| private: |
| friend class QSGFramebufferObjectNode; |
| friend class QQuickFramebufferObject; |
| void *data; |
| }; |
| |
| QQuickFramebufferObject(QQuickItem *parent = nullptr); |
| |
| bool textureFollowsItemSize() const; |
| void setTextureFollowsItemSize(bool follows); |
| |
| bool mirrorVertically() const; |
| void setMirrorVertically(bool enable); |
| |
| virtual Renderer *createRenderer() const = 0; |
| |
| bool isTextureProvider() const override; |
| QSGTextureProvider *textureProvider() const override; |
| void releaseResources() override; |
| |
| protected: |
| void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
| |
| protected: |
| QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; |
| |
| Q_SIGNALS: |
| void textureFollowsItemSizeChanged(bool); |
| void mirrorVerticallyChanged(bool); |
| |
| private Q_SLOTS: |
| void invalidateSceneGraph(); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQUICKFRAMEBUFFEROBJECT_H |