| /* |
| * 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.gif; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.List; |
| |
| class GenericGifBlock extends GifBlock |
| { |
| public final List<byte[]> subblocks; |
| |
| public GenericGifBlock(int blockCode, List<byte[]> subblocks) |
| { |
| super(blockCode); |
| |
| this.subblocks = subblocks; |
| |
| } |
| |
| public byte[] appendSubBlocks() throws IOException |
| { |
| return appendSubBlocks(false); |
| } |
| |
| public byte[] appendSubBlocks(boolean includeLengths) throws IOException |
| { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| |
| for (int i = 0; i < subblocks.size(); i++) |
| { |
| byte subblock[] = subblocks.get(i); |
| if(includeLengths && i>0) |
| out.write(subblock.length); |
| out.write(subblock); |
| } |
| |
| return out.toByteArray(); |
| } |
| |
| } |