/*
 * 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 KCHART_STOCK_DIAGRAM_P_H
#define KCHART_STOCK_DIAGRAM_P_H

#include "KChartAbstractCartesianDiagram_p.h"
#include "KChartCartesianDiagramDataCompressor_p.h"
#include "KChartPaintContext.h"
#include "KChartStockDiagram.h"

namespace KChart
{

class Q_DECL_HIDDEN StockDiagram::Private : public AbstractCartesianDiagram::Private
{
    friend class StockDiagram;

public:
    Private();
    Private(const Private &r);
    ~Private() override;

    Type type;
    StockDiagram *stockDiagram()
    {
        return static_cast<StockDiagram *>(diagram);
    }

    QBrush upTrendCandlestickBrush;
    QBrush downTrendCandlestickBrush;
    QPen upTrendCandlestickPen;
    QPen downTrendCandlestickPen;

    QMap<int, QBrush> upTrendCandlestickBrushes;
    QMap<int, QBrush> downTrendCandlestickBrushes;
    QMap<int, QPen> upTrendCandlestickPens;
    QMap<int, QPen> downTrendCandlestickPens;

    QPen lowHighLinePen;
    QMap<int, QPen> lowHighLinePens;

    void drawOHLCBar(int dataset,
                     const CartesianDiagramDataCompressor::DataPoint &open,
                     const CartesianDiagramDataCompressor::DataPoint &high,
                     const CartesianDiagramDataCompressor::DataPoint &low,
                     const CartesianDiagramDataCompressor::DataPoint &close,
                     PaintContext *context);
    void drawHLCBar(int dataset,
                    const CartesianDiagramDataCompressor::DataPoint &high,
                    const CartesianDiagramDataCompressor::DataPoint &low,
                    const CartesianDiagramDataCompressor::DataPoint &close,
                    PaintContext *context);
    void drawCandlestick(int dataset,
                         const CartesianDiagramDataCompressor::DataPoint &open,
                         const CartesianDiagramDataCompressor::DataPoint &high,
                         const CartesianDiagramDataCompressor::DataPoint &low,
                         const CartesianDiagramDataCompressor::DataPoint &close,
                         PaintContext *context);

private:
    void drawLine(int dataset, int col, const QPointF &point1, const QPointF &p2, PaintContext *context);
    QPointF projectPoint(PaintContext *context, const QPointF &point) const;
    QRectF projectCandlestick(PaintContext *context, const QPointF &open, const QPointF &close, qreal width) const;
    int openValueColumn() const;
    int highValueColumn() const;
    int lowValueColumn() const;
    int closeValueColumn() const;

    class ThreeDPainter;
};

KCHART_IMPL_DERIVED_DIAGRAM(StockDiagram, AbstractCartesianDiagram, CartesianCoordinatePlane)

}

#endif // KCHART_STOCK_DIAGRAM_P_H
