160 lines
5.5 KiB
C++
160 lines
5.5 KiB
C++
/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#ifndef KDCHARTLINEDIAGRAM_P_H
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#define KDCHARTLINEDIAGRAM_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the KD Chart API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "KDChartLineDiagram.h"
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#include <QPainterPath>
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#include "KDChartThreeDLineAttributes.h"
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#include "KDChartAbstractCartesianDiagram_p.h"
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#include "KDChartCartesianDiagramDataCompressor_p.h"
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#include <KDABLibFakes>
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namespace KDChart {
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class PaintContext;
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/**
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* \internal
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*/
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class LineDiagram::Private : public AbstractCartesianDiagram::Private
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{
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friend class LineDiagram;
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friend class LineDiagramType;
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public:
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Private();
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Private( const Private& rhs );
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~Private();
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void paintPolyline(
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PaintContext* ctx,
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const QBrush& brush, const QPen& pen,
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const QPolygonF& points ) const;
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LineDiagram* diagram;
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LineDiagramType* implementor; // the current type
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LineDiagramType* normalDiagram;
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LineDiagramType* stackedDiagram;
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LineDiagramType* percentDiagram;
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bool centerDataPoints;
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bool reverseDatasetOrder;
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};
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KDCHART_IMPL_DERIVED_DIAGRAM( LineDiagram, AbstractCartesianDiagram, CartesianCoordinatePlane )
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// we inherit privately, so that derived classes cannot call the
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// base class functions - those reference the wrong (unattached to
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// a diagram) d
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class LineDiagram::LineDiagramType : private LineDiagram::Private
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{
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public:
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explicit LineDiagramType( LineDiagram* d )
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: LineDiagram::Private()
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, m_private( d->d_func() )
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{
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}
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virtual ~LineDiagramType() {}
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virtual LineDiagram::LineType type() const = 0;
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virtual const QPair<QPointF, QPointF> calculateDataBoundaries() const = 0;
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virtual void paint( PaintContext* ctx ) = 0;
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LineDiagram* diagram() const;
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protected:
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// method that make elements of m_private available to derived
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// classes:
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AttributesModel* attributesModel() const;
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QModelIndex attributesModelRootIndex() const;
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ReverseMapper& reverseMapper();
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CartesianDiagramDataCompressor& compressor() const;
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double interpolateMissingValue( const CartesianDiagramDataCompressor::CachePosition& pos ) const;
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int datasetDimension() const;
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LineAttributes::MissingValuesPolicy getCellValues(
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int row, int column,
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bool shiftCountedXValuesByHalfSection,
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double& valueX, double& valueY ) const;
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double valueForCellTesting( int row, int column,
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bool& bOK,
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bool showHiddenCellsAsInvalid = false ) const;
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void paintAreas( PaintContext* ctx, const QModelIndex& index,
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const QList<QPolygonF>& areas, const uint transparency );
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double valueForCell( int row, int column );
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void appendDataValueTextInfoToList(
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AbstractDiagram * diagram,
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DataValueTextInfoList & list,
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const QModelIndex & index,
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const CartesianDiagramDataCompressor::CachePosition * position,
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const PositionPoints& points,
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const Position& autoPositionPositive,
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const Position& autoPositionNegative,
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const qreal value );
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const QPointF project( QPointF point, QPointF maxLimits,
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double z, const QModelIndex& index ) const;
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void paintThreeDLines(
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PaintContext* ctx, const QModelIndex& index,
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const QPointF& from, const QPointF& to, const double depth );
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void paintElements( PaintContext* ctx,
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DataValueTextInfoList&,
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LineAttributesInfoList&,
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LineAttributes::MissingValuesPolicy );
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void paintValueTracker( PaintContext* ctx, const ValueTrackerAttributes& vt,
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const QPointF& at );
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LineDiagram::Private* m_private;
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};
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/*
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inline LineDiagram::LineDiagram( Private * p, CartesianCoordinatePlane* plane )
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: AbstractCartesianDiagram( p, plane ) { init(); }
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inline LineDiagram::Private * LineDiagram::d_func()
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{ return static_cast<Private*>( AbstractCartesianDiagram::d_func() ); }
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inline const LineDiagram::Private * LineDiagram::d_func() const
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{ return static_cast<const Private*>( AbstractCartesianDiagram::d_func() ); }
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*/
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}
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#endif /* KDCHARTLINEDIAGRAM_P_H */
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