org.apache.commons.imaging.icc.IccTag Maven / Gradle / Ivy
/*
* 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.icc;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.logging.Logger;
import org.apache.commons.imaging.ImageReadException;
import org.apache.commons.imaging.common.BinaryFunctions;
public class IccTag {
private static final Logger LOGGER = Logger.getLogger(IccTag.class.getName());
public final int signature;
public final int offset;
public final int length;
public final IccTagType fIccTagType;
private byte[] data;
private IccTagDataType itdt;
private int dataTypeSignature;
// public final byte[] data;
public IccTag(final int signature, final int offset, final int length, final IccTagType fIccTagType) {
this.signature = signature;
this.offset = offset;
this.length = length;
this.fIccTagType = fIccTagType;
}
public void setData(final byte[] bytes) throws IOException {
data = bytes;
try (InputStream bis = new ByteArrayInputStream(bytes)) {
dataTypeSignature = BinaryFunctions.read4Bytes("data type signature", bis,
"ICC: corrupt tag data", ByteOrder.BIG_ENDIAN);
itdt = getIccTagDataType(dataTypeSignature);
// if (itdt != null)
// {
// System.out.println("\t\t\t" + "itdt: " + itdt.name);
// }
}
}
private IccTagDataType getIccTagDataType(final int quad) {
for (final IccTagDataType iccTagDataType : IccTagDataTypes.values()) {
if (iccTagDataType.getSignature() == quad) {
return iccTagDataType;
}
}
return null;
}
public void dump(final String prefix) throws ImageReadException, IOException {
try (StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw)) {
dump(pw, prefix);
pw.flush();
sw.flush();
LOGGER.fine(sw.toString());
}
}
public void dump(final PrintWriter pw, final String prefix) throws ImageReadException,
IOException {
pw.println(prefix
+ "tag signature: "
+ Integer.toHexString(signature)
+ " ("
+ new String(new byte[] {
(byte) (0xff & (signature >> 24)),
(byte) (0xff & (signature >> 16)),
(byte) (0xff & (signature >> 8)),
(byte) (0xff & (signature >> 0)), }, StandardCharsets.US_ASCII)
+ ")");
if (data == null) {
pw.println(prefix + "data: " + Arrays.toString(data));
} else {
pw.println(prefix + "data: " + data.length);
pw.println(prefix
+ "data type signature: "
+ Integer.toHexString(dataTypeSignature)
+ " ("
+ new String(new byte[] {
(byte) (0xff & (dataTypeSignature >> 24)),
(byte) (0xff & (dataTypeSignature >> 16)),
(byte) (0xff & (dataTypeSignature >> 8)),
(byte) (0xff & (dataTypeSignature >> 0)), }, StandardCharsets.US_ASCII)
+ ")");
if (itdt == null) {
pw.println(prefix + "IccTagType : " + "unknown");
} else {
pw.println(prefix + "IccTagType : " + itdt.getName());
itdt.dump(prefix, data);
}
}
pw.println("");
pw.flush();
}
}