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 /*
  *  Copyright 2014  Sebastian Gottfried <sebastiangottfried@web.de>
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2.1 of the License, or (at your option) version 3, or any
  *  later version accepted by the membership of KDE e.V. (or its
  *  successor approved by the membership of KDE e.V.), which shall
  *  act as a proxy defined in Section 6 of version 3 of the license.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public
  */
 
 #ifndef LINECHARTBACKGROUNDPAINTER_H
 #define LINECHARTBACKGROUNDPAINTER_H
 
 #include <QQuickPaintedItem>
 
 #include <QPolygonF>
 
 class LineChartCore;
 
 class LineChartBackgroundPainter : public QQuickPaintedItem
 {
     Q_OBJECT
     Q_PROPERTY(LineChartCore* lineChartCore READ lineChartCore WRITE setLineChartCore NOTIFY lineChartCoreChanged)
 public:
     explicit LineChartBackgroundPainter(QQuickItem* parent = nullptr);
     LineChartCore* lineChartCore() const;
     void setLineChartCore(LineChartCore* lineChartCore);
     void paint(QPainter* painter) override;
     const QList<QPolygonF>& linePolygons() const;
 Q_SIGNALS:
     void lineChartCoreChanged();
     void linePolygonsUpdated();
 private Q_SLOTS:
     void triggerUpdate();
 private:
     void updateWidth();
     void updateLinePolygons();
     LineChartCore* m_lineChartCore;
     QList<QPolygonF> m_linePolygons;
 };
 
 #endif // LINECHARTBACKGROUNDPAINTER_H