brush.h

#pragma once
 
#include "sdl_painter/color.h"
 
namespace sdl_painter {

class Brush {
 public:
  Brush() = default;

  explicit Brush(const Color& color) : mColor(color) {}

  [[nodiscard]] const Color& GetColor() const noexcept { return mColor; }

  void SetColor(const Color& color) noexcept { mColor = color; }

  [[nodiscard]] bool IsVisible() const noexcept { return mColor.a > 0; }
 
  [[nodiscard]] bool operator==(const Brush& other) const noexcept {
    return mColor == other.mColor;
  }
  [[nodiscard]] bool operator!=(const Brush& other) const noexcept {
    return !(*this == other);
  }

  [[nodiscard]] static Brush NoBrush() noexcept {
    return Brush(Color::Transparent());
  }
 
 private:
  Color mColor{Color::Black()};
};
 
}  // namespace sdl_painter