File indexing completed on 2024-06-09 04:18:28

 /*
  * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef KCHARTLINEDIAGRAM_P_H
 #define KCHARTLINEDIAGRAM_P_H
 
 //
 //  W A R N I N G
 //  -------------
 //
 // This file is not part of the KD Chart API.  It exists purely as an
 // implementation detail.  This header file may change from version to
 // version without notice, or even be removed.
 //
 // We mean it.
 //
 
 #include "KChartLineDiagram.h"
 
 #include <QPainterPath>
 
 #include "KChartThreeDLineAttributes.h"
 #include "KChartAbstractCartesianDiagram_p.h"
 #include "KChartCartesianDiagramDataCompressor_p.h"
 #include "KChartMath_p.h"
 
 
 namespace KChart {
 
     class PaintContext;
 
 /**
  * \internal
  */
     class Q_DECL_HIDDEN LineDiagram::Private : public AbstractCartesianDiagram::Private
     {
         friend class LineDiagram;
         friend class LineDiagramType;
 
     public:
         Private();
         Private( const Private& rhs );
         ~Private() override;
 
         LineDiagramType* implementor; // the current type
         LineDiagramType* normalDiagram;
         LineDiagramType* stackedDiagram;
         LineDiagramType* percentDiagram;
         bool centerDataPoints;
         bool reverseDatasetOrder;
     };
 
     KCHART_IMPL_DERIVED_DIAGRAM( LineDiagram, AbstractCartesianDiagram, CartesianCoordinatePlane )
 
     class LineDiagram::LineDiagramType
     {
     public:
         explicit LineDiagramType( LineDiagram* d )
             : m_private( d->d_func() )
         {
         }
         virtual ~LineDiagramType() {}
         virtual LineDiagram::LineType type() const = 0;
         virtual const QPair<QPointF,  QPointF> calculateDataBoundaries() const = 0;
         virtual void paint( PaintContext* ctx ) = 0;
         LineDiagram* diagram() const;
 
     protected:
         // make some elements of m_private available to derived classes:
         AttributesModel* attributesModel() const;
         QModelIndex attributesModelRootIndex() const;
         ReverseMapper& reverseMapper();
         CartesianDiagramDataCompressor& compressor() const;
 
         qreal interpolateMissingValue( const CartesianDiagramDataCompressor::CachePosition& pos ) const;
 
         int datasetDimension() const;
 
         qreal valueForCell( int row, int column ) const;
 
         LineDiagram::Private* m_private;
     };
 }
 
 #endif /* KCHARTLINEDIAGRAM_P_H */