outlinerenderextension.h

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++ // Copyright (C) 2023 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #ifndef OUTLINERENDEREXTENSION_H

++ #define OUTLINERENDEREXTENSION_H

++

++ #include <QtQuick3D/qquick3drenderextensions.h>

++ #include <QtQmlIntegration>

++

++ //! [extension front]

++ class OutlineRenderExtension : public QQuick3DRenderExtension

++ {

++     Q_OBJECT

++     Q_PROPERTY(QQuick3DObject * target READ target WRITE setTarget NOTIFY targetChanged)

++     Q_PROPERTY(QQuick3DObject * outlineMaterial READ outlineMaterial WRITE setOutlineMaterial NOTIFY outlineMaterialChanged)

++     Q_PROPERTY(float outlineScale READ outlineScale WRITE setOutlineScale NOTIFY outlineScaleChanged)

++     QML_ELEMENT

++

++ public:

++     OutlineRenderExtension() = default;

++     ~OutlineRenderExtension() override;

++

++     float outlineScale() const;

++     void setOutlineScale(float newOutlineScale);

++

++     QQuick3DObject *target() const;

++     void setTarget(QQuick3DObject *newTarget);

++

++     QQuick3DObject *outlineMaterial() const;

++     void setOutlineMaterial(QQuick3DObject *newOutlineMaterial);

++

++ signals:

++     void outlineColorChanged();

++     void outlineScaleChanged();

++     void targetChanged();

++     void outlineMaterialChanged();

++

++ protected:

++     QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

++

++ private:

++     enum Dirty : quint8

++     {

++         Target = 1 << 0,

++         OutlineMaterial = 1 << 1,

++         OutlineScale = 1 << 2

++     };

++

++     using DirtyT = std::underlying_type_t<Dirty>;

++

++     void markDirty(Dirty v);

++

++     QPointer<QQuick3DObject> m_target;

++     QPointer<QQuick3DObject> m_outlineMaterial;

++     float m_outlineScale = 1.05f;

++     DirtyT m_dirtyFlag {};

++ };

++ //! [extension front]

++

++ #endif // OUTLINERENDEREXTENSION_H