/// <summary>
/// Constructs a new CroppingTrimmer with a given <paramref name="alphaTolerance"/>
/// </summary>
/// <param name="alphaTolerance">The alpha tolerance to be used when cropping</param>
public CroppingTrimmer(int alphaTolerance)
{
trimmer = new Trimmer(alphaTolerance);
}
/// <summary>
/// Constructs a new CroppingTrimmer with alphaTolerance equal to 0
/// </summary>
public CroppingTrimmer()
{
trimmer = new Trimmer(0);
}