dquickitemviewport.h

// SPDX-FileCopyrightText: 2020 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef DQUICKITEMVIEWPORT_H
#define DQUICKITEMVIEWPORT_H
 
#include <dtkdeclarative_global.h>
#include <DObject>
 
#include <QQuickItem>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <QPainter>
#endif
 
DQUICK_BEGIN_NAMESPACE
 
class DQuickItemViewportPrivate;
class DQuickItemViewport : public QQuickItem, public DCORE_NAMESPACE::DObject
{
    Q_OBJECT
    Q_PROPERTY(QQuickItem* sourceItem READ sourceItem WRITE setSourceItem NOTIFY sourceItemChanged)
    Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged)
    Q_PROPERTY(float radius READ radius WRITE setRadius NOTIFY radiusChanged)
    Q_PROPERTY(bool fixed READ fixed WRITE setFixed NOTIFY fixedChanged)
    Q_PROPERTY(bool hideSource READ hideSource WRITE setHideSource NOTIFY hideSourceChanged)
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    Q_PROPERTY(QPainter::CompositionMode compositionMode READ compositionMode WRITE setCompositionMode NOTIFY compositionModeChanged RESET resetCompositionMode)
#endif
    D_DECLARE_PRIVATE(DQuickItemViewport)
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    QML_NAMED_ELEMENT(ItemViewport)
#endif
 
public:
    explicit DQuickItemViewport(QQuickItem *parent = nullptr);
    ~DQuickItemViewport() override;
 
    QQuickItem* sourceItem() const;
    void setSourceItem(QQuickItem* sourceItem);
 
    QRectF sourceRect() const;
    void setSourceRect(const QRectF &sourceRect);
 
    float radius() const;
    void setRadius(float radius);
 
    bool fixed() const;
    void setFixed(bool newFixed);
 
    bool hideSource() const;
    void setHideSource(bool newHideSource);
 
    bool isTextureProvider() const override { return true; }
    QSGTextureProvider *textureProvider() const override;
 
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    QPainter::CompositionMode compositionMode() const;
    void setCompositionMode(QPainter::CompositionMode newCompositionMode);
    void resetCompositionMode();
#endif
 
Q_SIGNALS:
    void sourceItemChanged();
    void sourceRectChanged();
    void radiusChanged();
    void fixedChanged();
    void hideSourceChanged();
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    void compositionModeChanged();
#endif
 
private Q_SLOTS:
    void invalidateSceneGraph();
 
protected:
    void itemChange(ItemChange, const ItemChangeData &) override;
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
#else
    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
#endif
    QSGNode *updatePaintNode(QSGNode *old, UpdatePaintNodeData *) override;
    void componentComplete() override;
    void releaseResources() override;
};
 
DQUICK_END_NAMESPACE
 
#endif // DQUICKITEMVIEWPORT_H