/// <summary>
/// Instantiates the filter by cloning the allow list of another <see cref="ICodePointFilter"/>.
/// </summary>
public CodePointFilter(ICodePointFilter other)
{
CodePointFilter otherAsCodePointFilter = other as CodePointFilter;
if (otherAsCodePointFilter != null)
{
_allowedCharsBitmap = otherAsCodePointFilter.GetAllowedCharsBitmap();
}
else
{
_allowedCharsBitmap = AllowedCharsBitmap.CreateNew();
AllowFilter(other);
}
}
/// <summary>
/// Instantiates the filter where only the character ranges specified by <paramref name="allowedRanges"/>
/// are allowed by the filter.
/// </summary>
public CodePointFilter(params UnicodeRange[] allowedRanges)
{
_allowedCharsBitmap = AllowedCharsBitmap.CreateNew();
AllowRanges(allowedRanges);
}
/// <summary>
/// Instantiates an empty filter (allows no code points through by default).
/// </summary>
public CodePointFilter()
{
_allowedCharsBitmap = AllowedCharsBitmap.CreateNew();
}
