A fast and lightweight cell control

#pragma once
namespace mycell{
	class BorderPair
	{
		enum {
			HAS_RIGHT=1<<0,
			HAS_BOTTOM	=1<<1,
		};
		Border right,bottom;
		BYTE mask;
	public:
		bool operator==(BorderPair rhs)const
		{
			return right==rhs.right
				&&bottom==rhs.bottom
				&&mask==rhs.mask;
		}
		void clear()
		{
			mask=0;
		}
		bool empty()const
		{
			return !HasRight() && !HasBottom();
		}
		void clear_right()
		{
			mask&=~HAS_RIGHT;
		}
		void clear_bottom()
		{
			mask&=~HAS_BOTTOM;
		}
		void put_Right(Border b)
		{
			right=b;
			mask|=HAS_RIGHT;
		}
		BOOL get_Right(Border& leftBorder)const
		{
			if(HasRight()){
				leftBorder=right;
				return TRUE;
			}else
				return FALSE;
		}
		BOOL HasRight()const
		{
			return (mask&HAS_RIGHT)?TRUE:FALSE;
		}
		
		void put_Bottom(Border b)
		{
			bottom=b;
			mask|=HAS_BOTTOM;
		}
		BOOL get_Bottom(Border& topBorder)const
		{
			if(HasBottom()){
				topBorder=bottom;
				return TRUE;
			}else
				return FALSE;
		}
		BOOL HasBottom()const
		{
			return (mask&HAS_BOTTOM)?TRUE:FALSE;
		}
	};
}//namespace mycell