| /****************************************************************************** |
| * Copyright (c) 2004, 2006 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.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.Record; |
| |
| /** |
| * The EMFRecord class reads the record header from an EMF record, then reads the |
| * record's data into a buffer. The record header contains the type of the |
| * record and the size of the record. |
| * |
| * @author dhabib |
| * @canBeSeenBy org.eclipse.gmf.runtime.draw2d.ui.render.* |
| */ |
| public class EMFRecord extends Record |
| { |
| /** Size of the metafile record header, which consists of 4 bytes for the type and 4 bytes for the record size */ |
| public static final int EMR_HEADER_SIZE = 8; |
| |
| /** |
| * Initializes the record by reading the record header from the specified stream, then reading the |
| * record data. |
| * @param stream Stream to read the data from. |
| * @throws IOException Thrown if there is an error in stream (end of stream encountered before all the data could be read) |
| */ |
| public EMFRecord( BufferedInputStream stream ) throws IOException |
| { |
| setType( (int)readDWORD( stream ) ); |
| setSize( (int) readDWORD( stream ) - 8 ); // Subtract 8 bytes for the header |
| readData( stream ); |
| } |
| |
| } |