KChartTernaryGrid.h

/*
 * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
 *
 * This file is part of the KD Chart library.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef KCHARTTERNARYGRID_H
#define KCHARTTERNARYGRID_H

#include <QList>

#include "KChartAbstractGrid.h"
#include "KChartTextLabelCache.h"

namespace KChart {

    struct TickInfo {
        TickInfo( qreal percentage = 0, int depth = 0 );
        qreal percentage;
        int depth;
    };

    bool operator==(const TickInfo&, const TickInfo& );

    class PaintContext;

    // VERIFY: Grids are not public API, are they?
    class TernaryGrid : public AbstractGrid
    {
    public:
        TernaryGrid();

        virtual ~TernaryGrid();

        void drawGrid( PaintContext* context ) override;
        DataDimensionsList calculateGrid( const DataDimensionsList& rawDataDimensions ) const override;

        QPair<QSizeF, QSizeF> requiredMargins() const;
        const QVector<TickInfo>& tickInfo() const;
    private:
        QVector<TickInfo> m_tickInfo;
        // QList<PrerenderedLabel> m_labels;
    };

}

#endif