private static char GetChar(LineChar charCenter, [NotNull] char[] map)
{
Debug.Assert(map.Length == 4);
if (!charCenter.IsHorizontalWide() && !charCenter.IsVerticalWide())
{
return(map[0]);
}
if (charCenter.IsHorizontalWide() && !charCenter.IsVerticalWide())
{
return(map[1]);
}
if (!charCenter.IsHorizontalWide() && charCenter.IsVerticalWide())
{
return(map[2]);
}
if (charCenter.IsHorizontalWide() && charCenter.IsVerticalWide())
{
return(map[3]);
}
throw new ArgumentOutOfRangeException(nameof(charCenter));
}
public override char GetChar(LineChar charCenter, LineChar charLeft, LineChar charTop, LineChar charRight, LineChar charBottom)
{
if (charCenter.IsEmpty())
{
return('\0');
}
if (charCenter.IsHorizontal() && charCenter.IsVertical())
{
return('+');
}
if (charCenter.IsHorizontal())
{
return(charCenter.IsHorizontalWide() ? '=' : '-');
}
if (charCenter.IsVertical())
{
return('|');
}
throw GetCharException(charCenter, charLeft, charTop, charRight, charBottom);
}
