org.eclipse.swt.internal.image.JPEGSegment Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.internal.image;
class JPEGSegment {
public byte[] reference;
JPEGSegment() {
}
public JPEGSegment(byte[] reference) {
this.reference = reference;
}
public int signature() {
return 0;
}
public boolean verify() {
return getSegmentMarker() == signature();
}
public int getSegmentMarker() {
return ((reference[0] & 0xFF) << 8 | (reference[1] & 0xFF));
}
public void setSegmentMarker(int marker) {
reference[0] = (byte)((marker & 0xFF00) >> 8);
reference[1] = (byte)(marker & 0xFF);
}
public int getSegmentLength() {
return ((reference[2] & 0xFF) << 8 | (reference[3] & 0xFF));
}
public void setSegmentLength(int length) {
reference[2] = (byte)((length & 0xFF00) >> 8);
reference[3] = (byte)(length & 0xFF);
}
public boolean writeToStream(LEDataOutputStream byteStream) {
try {
byteStream.write(reference);
return true;
} catch (Exception e) {
return false;
}
}
}