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annotate dwt/internal/image/JPEGFixedSizeSegment.d @ 34:5123b17c98ef

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Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sun, 14 Sep 2008 01:45:57 +0200
parents 1a8b3cb347e0
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2003 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwt.internal.image.JPEGFixedSizeSegment;
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16 import dwt.DWT;
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17 import dwt.internal.image.JPEGSegment;
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18 import dwt.internal.image.LEDataInputStream;
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20 import tango.core.Exception;
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23 abstract class JPEGFixedSizeSegment : JPEGSegment {
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25 public this() {
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26 reference = new byte[fixedSize()];
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27 setSegmentMarker(signature());
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28 }
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30 public this(byte[] reference) {
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31 super(reference);
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32 }
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34 public this(LEDataInputStream byteStream) {
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35 reference = new byte[fixedSize()];
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36 try {
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37 byteStream.read(reference);
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38 } catch (Exception e) {
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39 DWT.error(DWT.ERROR_IO, e);
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40 }
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41 }
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43 abstract public int fixedSize();
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45 public override int getSegmentLength() {
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46 return fixedSize() - 2;
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47 }
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49 public override void setSegmentLength(int length) {
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50 }
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51 }