| /* |
| * 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.jpeg.segments; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.common.BinaryFileParser; |
| import org.apache.commons.imaging.formats.jpeg.JpegImageParser; |
| |
| public class App2Segment extends AppnSegment implements Comparable<App2Segment> |
| { |
| public final byte icc_bytes[]; |
| public final int cur_marker, num_markers; |
| |
| public App2Segment(int marker, byte segmentData[]) |
| throws ImageReadException, IOException |
| { |
| this(marker, segmentData.length, new ByteArrayInputStream(segmentData)); |
| } |
| |
| public App2Segment(int marker, int marker_length, InputStream is2) |
| throws ImageReadException, IOException |
| { |
| super(marker, marker_length, is2); |
| |
| if (BinaryFileParser.byteArrayHasPrefix(bytes, JpegImageParser.icc_profile_label)) |
| { |
| InputStream is = new ByteArrayInputStream(bytes); |
| |
| readAndVerifyBytes(is, JpegImageParser.icc_profile_label, |
| "Not a Valid App2 Segment: missing ICC Profile label"); |
| |
| cur_marker = readByte("cur_marker", is, "Not a valid App2 Marker"); |
| num_markers = readByte("num_markers", is, "Not a valid App2 Marker"); |
| |
| marker_length -= JpegImageParser.icc_profile_label.size(); |
| marker_length -= (1 + 1); |
| |
| icc_bytes = readByteArray("App2 Data", marker_length, is, |
| "Invalid App2 Segment: insufficient data"); |
| } |
| else |
| { |
| // debugByteArray("Unknown APP2 Segment Type", bytes); |
| cur_marker = -1; |
| num_markers = -1; |
| icc_bytes = null; |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof App2Segment) { |
| App2Segment other = (App2Segment)obj; |
| return cur_marker == other.cur_marker; |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return cur_marker; |
| } |
| |
| public int compareTo(App2Segment other) |
| { |
| return cur_marker - other.cur_marker; |
| } |
| |
| // public String getDescription() |
| // { |
| // return "APPN (APP" |
| // + (marker - JpegImageParser.JPEG_APP0) |
| // + ") (" + getDescription() + ")"; |
| // } |
| } |