KDChartLeveyJenningsGrid.h

Go to the documentation of this file.

/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#ifndef KDCHARTLEVEYJENNINGSGRID_H
#define KDCHARTLEVEYJENNINGSGRID_H
 
#include "KDChartCartesianGrid.h"
 
namespace KDChart {
 
class PaintContext;
 
class LeveyJenningsGrid : public CartesianGrid
{
public:
    LeveyJenningsGrid()
        : CartesianGrid()
    {
    }
    ~LeveyJenningsGrid() override
    {
    }
 
    void drawGrid(PaintContext *context) override;
 
private:
    DataDimensionsList calculateGrid(const DataDimensionsList &rawDataDimensions) const override;
    DataDimension calculateGridXY(const DataDimension &rawDataDimension,
                                  Qt::Orientation orientation, bool adjustLower, bool adjustUpper) const override;
    void calculateStepWidth(qreal start_, qreal end_, const QList<qreal> &granularities, Qt::Orientation orientation,
                            qreal &stepWidth, qreal &subStepWidth, bool adjustLower, bool adjustUpper) const override;
};
}
 
#endif