| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.xmlgraphics.util.io; |
| |
| /** |
| * This interface defines constants used by the ASCII85 filters. |
| * |
| * @version $Id$ |
| */ |
| public interface ASCII85Constants { |
| |
| /** Special character "z" stands for four NULL bytes (short-cut for !!!!!) */ |
| public static final int ZERO = 0x7A; //"z" |
| /** ZERO as a byte array */ |
| public static final byte[] ZERO_ARRAY = {(byte)ZERO}; |
| /** The start index for ASCII85 characters (!) */ |
| public static final int START = 0x21; //"!" |
| /** The end index for ASCII85 characters (u) */ |
| public static final int END = 0x75; //"u" |
| /** The EOL indicator (LF) */ |
| public static final int EOL = 0x0A; //"\n" |
| /** The EOD (end of data) indicator */ |
| public static final byte[] EOD = {0x7E, 0x3E}; //"~>" |
| |
| /** Array of powers of 85 (4, 3, 2, 1, 0) */ |
| public static final long POW85[] = new long[] {85 * 85 * 85 * 85, |
| 85 * 85 * 85, |
| 85 * 85, |
| 85, |
| 1}; |
| |
| /* |
| public static final long BASE85_4 = 85; |
| public static final long BASE85_3 = BASE85_4 * BASE85_4; |
| public static final long BASE85_2 = BASE85_3 * BASE85_4; |
| public static final long BASE85_1 = BASE85_2 * BASE85_4; |
| */ |
| |
| } |
| |
| |