#pragma once

#include <cstddef>
#include <filesystem>

#include "bitmap.hpp"
#include "renderer.hpp"

/**
 * @brief PGM Renderer
 * 
 * Draws shapes to a PGM format.
 */
class PgmRenderer final : public Renderer
{
public:
    PgmRenderer(size_t width, size_t height);

    void DrawLine(const math::Vector& p0, const math::Vector& p1) override;
    void DrawRectangle(const math::Vector& pos, const math::Vector& size, float angle) override;
    void DrawCircle(const math::Vector& center, float radius) override;

    void Save(const std::filesystem::path& path);

    ~PgmRenderer() override = default;

private:
    Bitmap m_bitmap;

    void RasterizeLine(int x0, int y0, int x1, int y1);
    void RasterizeCircle(int xm, int ym, int r);
};