ThumbnailImageItem.hxx

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#ifndef THUMBNAILIMAGEITEM_HXX
#define THUMBNAILIMAGEITEM_HXX
 
#include <memory>
 
#include <QQuickItem>
#include <QUrl>
#include <QImage>
 
class ThumbnailImageItem : public QQuickItem
{
    Q_OBJECT
 
    Q_PROPERTY(QString aircraftUri READ aircraftUri WRITE setAircraftUri NOTIFY aircraftUriChanged)
    Q_PROPERTY(QUrl url READ url NOTIFY aircraftUriChanged)
 
    Q_PROPERTY(QSize sourceSize READ sourceSize NOTIFY sourceSizeChanged)
 
    Q_PROPERTY(QSize maximumSize READ maximumSize WRITE setMaximumSize NOTIFY maximumSizeChanged)
public:
    ThumbnailImageItem(QQuickItem* parent = nullptr);
    ~ThumbnailImageItem();
 
    QSGNode* updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
 
    QUrl url() const;
 
    QString aircraftUri() const;
 
    QSize sourceSize() const;
 
    QSize maximumSize() const;
 
signals:
    void aircraftUriChanged();
 
    void sourceSizeChanged();
 
    void maximumSizeChanged(QSize maximumSize);
 
public slots:
 
    void setAircraftUri(QString uri);
 
    void setMaximumSize(QSize maximumSize);
 
private:
    class ThumbnailPackageDelegate;
    friend class ThumbnailPackageDelegate;
 
    void setImage(QImage image);
    void clearImage();
 
    QString m_aircraftUri;
    QUrl m_imageUrl;
    std::unique_ptr<ThumbnailPackageDelegate> m_delegate;
 
    bool m_imageDirty = false;
    QImage m_image;
    QSize m_maximumSize;
};
 
#endif // THUMBNAILIMAGEITEM_HXX