001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.imaging.formats.webp.chunks;
018
019import org.apache.commons.imaging.ImagingException;
020
021/**
022 * ALPH (alpha) chunk.
023 *
024 * <pre>{@code
025 *  0                   1                   2                   3
026 *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
027 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
028 * |                      ChunkHeader('ALPH')                      |
029 * |                                                               |
030 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
031 * |Rsv| P | F | C |     Alpha Bitstream...                        |
032 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
033 * }</pre>
034 *
035 * @see <a href="https://developers.google.com/speed/webp/docs/riff_container#alpha">Extended File Format#Alpha</a>
036 * @since 1.0.0-alpha4
037 */
038public final class WebPChunkAlph extends AbstractWebPChunk {
039
040    /**
041     * Create an ALPH chunk.
042     *
043     * @param type  chunk type.
044     * @param size  chunk size.
045     * @param bytes chunk data.
046     * @throws ImagingException if the chunk data and the size provided do not match.
047     */
048    public WebPChunkAlph(final int type, final int size, final byte[] bytes) throws ImagingException {
049        super(type, size, bytes);
050    }
051}