// SPDX-License-Identifier: LGPL-3.0-or-later
#pragma once

#include "tool_base.h"

class sweep_line_tool : public tool_base {
public:
  sweep_line_tool(canvas_buffer &canvas);

  // Draw example triangle
  void draw();
  // Compatibility for main application (only handles draw methods with one or two points)
  void draw(int _x, int _y);
  // Draw triangle provided by three given points
  void draw(int x0, int y0, int x1, int y1, int x2, int y2);

  void set_text(std::stringstream &stream);

private:
  // Draw every pixel on the specified y coordinate,
  // in the interval given by the boundaries b1 and b2.
  // The boundaries do not need to be sorted.
  void draw_interval(int b1, int b2, int y);
};