com.davidjohnburrowes.format.jpeg.marker.JpgNSegment Maven / Gradle / Ivy

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A java library to take apart and assemble jpeg files

There is a newer version: 1.0.1

/*
 *  Copyright 2014,2017 柏大衛
 *
 * Licensed 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 com.davidjohnburrowes.format.jpeg.marker;

import com.davidjohnburrowes.format.jpeg.data.GenericSegment;
import com.davidjohnburrowes.format.jpeg.support.MarkerIdRange;

/**
 * "Reserved for JPG extensions"
 *
 * Defined on page B-3 of the standard.
 */
@MarkerIdRange(first=JpgNSegment.FIRST_MARKERID, last=JpgNSegment.LAST_MARKERID)
public class JpgNSegment extends GenericSegment {
	/**
	 * The first of the allowable markers that this can be used with
	 */
	public static final int FIRST_MARKERID = 0xF0;

	/**
	 * Last of the allowable markers this can be used with
	 */
	public static final int LAST_MARKERID = 0xFD;

	/**
	 * Constructs an instance with all properties empty
    * @param markerId The Marker ID
	 */
	public JpgNSegment(int markerId) {
		super(markerId);
		if (markerId < FIRST_MARKERID || markerId > LAST_MARKERID) {
			throw new IllegalArgumentException("Marker out of range. Found " + markerId);
		}
	}

	/**
	 * @param bytes The bytes that this segment is holding
	 */
	public void setBytes(byte[] bytes) {
		setByteArray(bytes);
	}

	public byte[] getBytes() {
		return getByteArray();
	}
}