/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.pdf;
import java.io.IOException;
import java.io.OutputStream;
/**
* Represents a PDF object that may appear in an object stream. An object stream is a PDF
* stream whose content is a sequence of PDF objects. See Section 3.4.6 of the PDF 1.5
* Reference.
*/
interface CompressedObject {
/**
* Returns the object number of this indirect object. Note that a compressed object
* must have a generation number of 0.
*
* @return the object number.
*/
PDFObjectNumber getObjectNumber();
/**
* Outputs this object's content into the given stream.
*
* @param outputStream a stream, likely to be provided by the containing object stream
* @return the number of bytes written to the stream
* @throws IOException
*/
int output(OutputStream outputStream) throws IOException;
}