KDChartCartesianGrid.h

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/****************************************************************************
**
** 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 KDCHARTCARTESIANGRID_H
#define KDCHARTCARTESIANGRID_H
 
#include "KDChartAbstractGrid.h"
#include "KDChartCartesianCoordinatePlane.h"
 
namespace KDChart {
 
class PaintContext;
class CartesianCoordinatePlane;
 
class CartesianGrid : public AbstractGrid
{
public:
    CartesianGrid();
    ~CartesianGrid() override;
 
    int minimalSteps() const;
    void setMinimalSteps(int minsteps);
 
    int maximalSteps() const;
    void setMaximalSteps(int maxsteps);
 
    void drawGrid(PaintContext *context) override;
 
private:
    int m_minsteps = 2;
    int m_maxsteps = 12;
 
    DataDimensionsList calculateGrid(
        const DataDimensionsList &rawDataDimensions) const override;
 
    virtual DataDimension calculateGridXY(
        const DataDimension &rawDataDimension,
        Qt::Orientation orientation,
        bool adjustLower, bool adjustUpper) const;
 
    virtual void calculateStepWidth(
        qreal start, qreal end,
        const QList<qreal> &granularities,
        Qt::Orientation orientation,
        qreal &stepWidth, qreal &subStepWidth,
        bool adjustLower, bool adjustUpper) const;
};
}
 
#endif