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/*
* 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;
// Java
import java.io.IOException;
/**
* Abstract base class of PDF XObjects.
*
* A derivative of the PDF Object, is a PDF Stream that has not only a
* dictionary but a stream of image data.
* The dictionary just provides information like the stream length.
* This outputs the image dictionary and the image data.
* This is used as a reference for inserting the same image in the
* document in another place.
*/
public abstract class PDFXObject extends AbstractPDFStream {
/**
* Create an XObject with the given number.
*/
public PDFXObject() {
super();
}
/**
* Returns the XObject's name.
* @return the name of the XObject
*/
public PDFName getName() {
return (PDFName)get("Name");
}
/** {@inheritDoc} */
protected void populateStreamDict(Object lengthEntry) {
put("Type", new PDFName("XObject"));
super.populateStreamDict(lengthEntry);
}
/** {@inheritDoc} */
protected int getSizeHint() throws IOException {
return 0;
}
}
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