src/main/java/org/apache/commons/imaging/formats/tiff/fieldtypes/FieldTypeDouble.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.imaging.formats.tiff.fieldtypes;

import org.apache.commons.imaging.ImageWriteException;
import org.apache.commons.imaging.formats.tiff.TiffField;
import org.apache.commons.imaging.util.Debug;

public class FieldTypeDouble extends FieldType
{
    public FieldTypeDouble()
    {
        super(12, 8, "Double");
    }

    @Override
    public Object getSimpleValue(TiffField entry)
    {
        return "?";
    }

    @Override
    public byte[] writeData(Object o, int byteOrder) throws ImageWriteException
    {
        if (o instanceof Double)
            return convertDoubleToByteArray(((Double) o).doubleValue(),
                    byteOrder);
        else if (o instanceof double[])
        {
            double numbers[] = (double[]) o;
            return convertDoubleArrayToByteArray(numbers, byteOrder);
        }
        else if (o instanceof Double[])
        {
            Double numbers[] = (Double[]) o;
            double values[] = new double[numbers.length];
            for (int i = 0; i < values.length; i++)
                values[i] = numbers[i].doubleValue();
            return convertDoubleArrayToByteArray(values, byteOrder);
        }
        else
            throw new ImageWriteException("Invalid data: " + o + " ("
                    + Debug.getType(o) + ")");
    }

}