XYPlot.h

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#pragma once

#include <vector>
#include <cassert>
#include "Application.h"
#include "InteractiveGraphicsObject.h"
#include "Point.h"
#include "Rect.h"
#include "Color.h"
#include "Optional.h"

class XYPlot : public InteractiveGraphicsObject
{
public:
    XYPlot();
    ~XYPlot();
    void setData(const std::vector<float>& xValues, const std::vector<float>& yValues);
    void setXMinMax(const Optional<std::pair<float, float>>& xMinMax);
    void setYXMinMax(const Optional<std::pair<float, float>>& yMinMax);
    void setGeometry(Rect r);
    void setBackgroundColor(const Color bgColor);
    void setLineColor(const Color lnColor);
    void draw(uint32_t time) override;
    int getX() const override;
    int getY() const override;
    int getWidth() const override;
    int getHeight() const override;
private:
    void buildPoints();
    SDL_Renderer* renderer = nullptr;
    std::vector<float> xValues, yValues;
    std::vector<SDL_Point> renderedPoints;
    Rect geometry = { 0, 0, 0, 0 };
    Color backgroundColor, lineColor;
    Optional<std::pair<float, float>> xMinMax = {};
    Optional<std::pair<float, float>> yMinMax = {};
};