How to use

it.tidalwave.image.Rational

constructor

/*******************************************************************************************************************
 *
 *
 *
 ******************************************************************************************************************/
@Nonnull
public final Rational getReciprocal()
 {
  return new Rational(denominator, numerator);
 }

/*******************************************************************************************************************
 *
 *
 * @param det
 * @return
 *
 ******************************************************************************************************************/
@Nonnull
public final Rational divide (final double det)
 {
  return new Rational(numerator, (int)Math.round(denominator * det));
 }

 @Override
 @Nonnull
 public Rational convertReverse (@Nonnull final String string)
  {
   final String[] split = string.split("/");
   // FIXME: requires a dependency on Metadata-Extractor because there's a Rational constructor using it.
   // Drop it!
   if (split.length == 1)
    {
     return new Rational(Integer.valueOf(split[0].trim()), 1);  
    }
   
   return new Rational(Integer.valueOf(split[0].trim()), Integer.valueOf(split[1].trim()));  
  }
}

 /***************************************************************************
  *
  *
  **************************************************************************/
 private static Rational[] convertRationalArray (final TagRational[] temp)
  {
   final Rational[] r = new Rational[temp.length];
   for (int i = 0; i < r.length; i++)
    {
     r[i] = new Rational(temp[i].getNumerator(), temp[i].getDenominator());
    }
   return r;
  }
}

 /***************************************************************************
  *
  *
  **************************************************************************/
 private static Rational[] convertRationalArray (final com.drew.lang.Rational[] temp)
  {
   final Rational[] r = new Rational[temp.length];
   for (int i = 0; i < r.length; i++)
    {
     r[i] = new Rational((int)temp[i].getNumerator(), (int)temp[i].getDenominator());
    }
   return r;
  }
}

value = new Rational((int)array[0][0], (int)array[0][1]);

/***************************************************************************
 *
 *
 **************************************************************************/
@Override
public Object getObject (final int tag)
 throws NoSuchElementException
 {
  checkIfTagExists(tag);
  final Object value = directory.getObject(Integer.valueOf(tag));
  if (value instanceof TagRational)
   {
    final TagRational rational = (TagRational)value;
    return new Rational(rational.getNumerator(), rational.getDenominator());
   }
  else if (value instanceof TagRational[])
   {
    return convertRationalArray((TagRational[])value);
   }
  return value;
 }

/***************************************************************************
 *
 *
 **************************************************************************/
@Override
public Object getObject (final int tag)
  throws NoSuchElementException
 {
  checkIfTagExists(tag);
  Object value = directory.getObject(tag);
  if (value instanceof com.drew.lang.Rational)
   {
    final com.drew.lang.Rational drewRational = (com.drew.lang.Rational) value;
    value = new Rational((int)drewRational.getNumerator(), (int)drewRational.getDenominator());
   }
  else if (value instanceof com.drew.lang.Rational[])
   {
    value = convertRationalArray((com.drew.lang.Rational[])value);
   }
  return value;
 }