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Java > Open Source Codes > org > eclipse > swt > internal > image > JPEGRestartInterval


1 /*******************************************************************************
2  * Copyright (c) 2000, 2003 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.swt.internal.image;
12
13
14 final class JPEGRestartInterval extends JPEGFixedSizeSegment {
15
16     public JPEGRestartInterval(LEDataInputStream byteStream) {
17         super(byteStream);
18     }
19     
20     public int signature() {
21         return JPEGFileFormat.DRI;
22     }
23     
24     public int getRestartInterval() {
25         return ((reference[4] & 0xFF) << 8 | (reference[5] & 0xFF));
26     }
27
28     public int fixedSize() {
29         return 6;
30     }
31 }
32
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