#include "image.h"

auto pnm::color_to_hex(pnm::rgb_pixel color) -> std::string {
	constexpr static char hex[] = "0123456789abcdef";
	return {hex[color.red() / 16u],   hex[color.red() % 16u],
	        hex[color.green() / 16u], hex[color.green() % 16u],
	        hex[color.blue() / 16u],  hex[color.blue() % 16u]};
}