#ifndef INCLUDE_DYNAMIC_TEXTURE_DATA_IMPLEMENTATION
#	error Never include this file directly include 'dynamic_texture_buffer.hpp'
#endif


inline dynamic_texture_buffer::dynamic_texture_buffer(
	std::unique_ptr<value_type>&& data,
	const dim_type width,
	const dim_type height,
	const components::texture::flags components
) :
	m_data{ std::move(data) },
	m_width{ width },
	m_height{ height },
	m_components{ components }
{};

inline dynamic_texture_buffer::dynamic_texture_buffer(const dynamic_texture_buffer& other) :
	m_data{ new value_type[other.component_count()] },
	m_width{ other.m_width },
	m_height{ other.m_height },
	m_components{ other.m_components }
{
	std::copy_n(other.m_data.get(), other.m_width * other.m_height, this->m_data.get());
}

inline dynamic_texture_buffer::dynamic_texture_buffer(dynamic_texture_buffer&& other) noexcept :
	m_data{ std::move(other.m_data) },
	m_width{ other.m_width },
	m_height{ other.m_height },
	m_components{ other.m_components }
{
	other.m_width = 0;
	other.m_height = 0;
	other.m_components = components::texture::flags::none;
}

inline dynamic_texture_buffer& dynamic_texture_buffer::operator=(const dynamic_texture_buffer& other)
{
	if (this != &other) [[likely]]
	{

		const auto m_size = this->component_count();
		const auto o_size = other.component_count();

		if (o_size > m_size) {
			this->~dynamic_texture_buffer();
			this->m_data.reset(new value_type[o_size]);
		}

		std::copy_n(other.m_data.get(), o_size, this->m_data.get());

		this->m_width = other.m_width;
		this->m_height = other.m_height;
		this->m_components = other.m_components;
	}

	return *this;
}

inline dynamic_texture_buffer& dynamic_texture_buffer::operator=(dynamic_texture_buffer&& other) noexcept
{
	if (this != &other) [[likely]]
	{
		this->~dynamic_texture_buffer();

		this->m_data = std::move(other.m_data);
		this->m_width = other.m_width;
		this->m_height = other.m_height;

		other.m_width = 0;
		other.m_height = 0;
		other.m_components = components::texture::flags::none;
	}
	return *this;
}

inline components::texture::flags dynamic_texture_buffer::components() const
{
	return m_components;
}

inline dynamic_texture_buffer::dim_type dynamic_texture_buffer::width() const
{
	return m_width;
}

inline dynamic_texture_buffer::dim_type dynamic_texture_buffer::height() const
{
	return m_height;
}

inline std::pair<dynamic_texture_buffer::dim_type, dynamic_texture_buffer::dim_type> dynamic_texture_buffer::dimensions() const
{
	return { m_width, m_height };
}

inline dynamic_texture_buffer::size_type dynamic_texture_buffer::pixel_count() const
{
	return static_cast<size_type>(m_width) * static_cast<size_type>(m_height);
}

inline dynamic_texture_buffer::size_type dynamic_texture_buffer::component_count() const
{
	return std::popcount(static_cast<std::underlying_type_t<components::texture::flags>>(m_components));
}

inline dynamic_texture_buffer::size_type dynamic_texture_buffer::size() const
{
	return pixel_count() * component_count();
}

inline dynamic_texture_buffer::const_pointer dynamic_texture_buffer::data() const
{
	return m_data.get();
}

inline dynamic_texture_buffer::pointer dynamic_texture_buffer::data()
{
	return m_data.get();
}

inline dynamic_texture_buffer::const_iterator dynamic_texture_buffer::begin() const
{
	return data();
}

inline dynamic_texture_buffer::iterator dynamic_texture_buffer::begin()
{
	return data();
}

inline dynamic_texture_buffer::const_iterator dynamic_texture_buffer::end() const
{
	return begin() + component_count();
}

inline dynamic_texture_buffer::iterator dynamic_texture_buffer::end()
{
	return begin() + component_count();
}

inline dynamic_texture_buffer::const_iterator dynamic_texture_buffer::cbegin() const
{
	return const_cast<const_iterator>(begin());
}

inline dynamic_texture_buffer::const_iterator dynamic_texture_buffer::cend() const
{
	return const_cast<const_iterator>(begin());
}