VolumeSize.h

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#pragma once

#include <cassert>
#include <cstddef>

namespace CortidQCT {

struct VolumeSize {
  std::size_t width = 0;
  std::size_t height = 0;
  std::size_t depth = 0;

  inline constexpr float operator[](std::size_t idx) const noexcept {
    assert(idx < 3 && "Index out of bounds");
    switch (idx) {
      case 0:
        return width;
      case 1:
        return height;
      case 2:
        return depth;
      default:
        return width; // Just to return anything
    }
  }

  inline std::size_t &operator[](std::size_t idx) noexcept {
    assert(idx < 3 && "Index out of bounds");
    switch (idx) {
      case 0:
        return width;
      case 1:
        return height;
      case 2:
        return depth;
      default:
        return width; // Just to return anything
    }
  }

  inline constexpr std::size_t linear() const noexcept {
    return width * height * depth;
  }


  inline constexpr bool operator==(VolumeSize const &rhs) const {
    return width == rhs.width && height == rhs.height && depth == rhs.depth;
  }

  inline constexpr bool operator!=(VolumeSize const &rhs) const {
    return !(*this == rhs);
  }

};

} // namespace CortidQCT