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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;
import java.io.OutputStream;
// FOP
import org.apache.fop.fonts.type1.PFBData;
/**
* Special PDFStream for embedding Type 1 fonts.
*/
public class PDFT1Stream extends AbstractPDFStream {
private PFBData pfb;
/**
* {@inheritDoc}
*/
protected int getSizeHint() throws IOException {
if (this.pfb != null) {
return pfb.getLength();
} else {
return 0; //no hint available
}
}
/**
* Overload the base object method so we don't have to copy
* byte arrays around so much
* {@inheritDoc}
*/
protected int output(java.io.OutputStream stream)
throws java.io.IOException {
if (pfb == null) {
throw new IllegalStateException("pfb must not be null at this point");
}
log.debug("Writing " + pfb.getLength() + " bytes of Type 1 font data");
int length = super.output(stream);
log.debug("Embedded Type1 font");
return length;
}
/** {@inheritDoc} */
protected void populateStreamDict(Object lengthEntry) {
super.populateStreamDict(lengthEntry);
put("Length1", new Integer(pfb.getLength1()));
put("Length2", new Integer(pfb.getLength2()));
put("Length3", new Integer(pfb.getLength3()));
}
/**
* {@inheritDoc}
*/
protected void outputRawStreamData(OutputStream out) throws IOException {
this.pfb.outputAllParts(out);
}
/**
* Used to set the PFBData object that represents the embeddable Type 1
* font.
* @param pfb The PFB file
* @throws IOException in case of an I/O problem
*/
public void setData(PFBData pfb) throws IOException {
this.pfb = pfb;
}
}
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