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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the QtQuick module of the Qt Toolkit.
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#ifndef QQUICKFRAMEBUFFEROBJECT_H
#define QQUICKFRAMEBUFFEROBJECT_H
#include <QtQuick/QQuickItem>
QT_BEGIN_NAMESPACE
class QOpenGLFramebufferObject;
class QQuickFramebufferObjectPrivate;
class QSGFramebufferObjectNode;
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 = Q_NULLPTR);
bool textureFollowsItemSize() const;
void setTextureFollowsItemSize(bool follows);
bool mirrorVertically() const;
void setMirrorVertically(bool enable);
virtual Renderer *createRenderer() const = 0;
bool isTextureProvider() const Q_DECL_OVERRIDE;
QSGTextureProvider *textureProvider() const Q_DECL_OVERRIDE;
void releaseResources() Q_DECL_OVERRIDE;
protected:
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;
protected:
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) Q_DECL_OVERRIDE;
Q_SIGNALS:
void textureFollowsItemSizeChanged(bool);
void mirrorVerticallyChanged(bool);
private Q_SLOTS:
void invalidateSceneGraph();
};
QT_END_NAMESPACE
#endif // QQUICKFRAMEBUFFEROBJECT_H
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