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comparison dwt/internal/image/JPEGFixedSizeSegment.d @ 13:3d9bbe0a83a0

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author Frank Benoit <benoit@tionex.de>
date Sun, 06 Jan 2008 22:54:14 +0100
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children 8cec8f536af3
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12:0c78fa47d476 13:3d9bbe0a83a0
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 module dwt.internal.image.JPEGFixedSizeSegment;
12
13
14 import dwt.SWT;
15 import dwt.internal.image.JPEGSegment;
16 import dwt.internal.image.LEDataInputStream;
17
18 import tango.core.Exception;
19
20
21 abstract class JPEGFixedSizeSegment : JPEGSegment {
22
23 public this() {
24 reference = new byte[fixedSize()];
25 setSegmentMarker(signature());
26 }
27
28 public this(byte[] reference) {
29 super(reference);
30 }
31
32 public this(LEDataInputStream byteStream) {
33 reference = new byte[fixedSize()];
34 try {
35 byteStream.read(reference);
36 } catch (TracedException e) {
37 SWT.error(SWT.ERROR_IO, e);
38 }
39 }
40
41 abstract public int fixedSize();
42
43 public int getSegmentLength() {
44 return fixedSize() - 2;
45 }
46
47 public void setSegmentLength(int length) {
48 }
49 }