LineSeries.h

/*
 * Copyright (c) 2025 Dhruvan Gnanadhandayuthapani
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#ifndef QTRADINGVIEW_LINESERIES_H
#define QTRADINGVIEW_LINESERIES_H
 
#include <QColor>
#include <memory>
#include "Series.h"
#include "QTradingView/qtradingview_global.h"
 
class QPainter;
 
namespace QTradingView {
 
struct DataPoint;
class Viewport;
class IScale;
 
class QTRADINGVIEW_EXPORT LineSeries : public Series
{
public:
    explicit LineSeries(const QList<DataPoint>& data = {});
    ~LineSeries() override;
 
    void setData(const QList<DataPoint>& data);
    const QList<DataPoint>& data() const;
    qint64 timestampAt(int index) const override;
    int dataCount() const override;
 
    // Style
    void setColor(const QColor& color);
    void setLineWidth(double width);
    void setLineStyle(Qt::PenStyle style);
    void setAntialiasing(bool enabled);
 
    // Rendering
    void render(QPainter* painter, const ViewPort& viewport, IScale* scale) override;
    bool hitTest(const QPointF& point, int& outIndex) const override;
    void calculateRange(int startIndex, int endIndex, double& outMin, double& outMax) const override;
 
private:
    QList<DataPoint> m_data;
 
    QColor m_color;
    double m_width;
    Qt::PenStyle m_lineStyle;
    bool m_antialiasing;
};
 
} // namespace QTradingView
 
#endif // QTRADINGVIEW_LINESERIES_H