| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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; |
| } |
| } |
| } |