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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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;
/**
* Special PDFStream for embeddable TrueType fonts.
*/
public class PDFTTFStream extends PDFStream {
private int origLength;
/**
* Main constructor
* @param len original length
*/
public PDFTTFStream(int len) {
super();
origLength = len;
}
/**
* Overload the base object method so we don't have to copy
* byte arrays around so much
* @see org.apache.fop.pdf.PDFObject#output(OutputStream)
*/
protected int output(java.io.OutputStream stream)
throws java.io.IOException {
log.debug("Writing " + origLength + " bytes of TTF font data");
int length = super.output(stream);
log.debug("Embedded TrueType/OpenType font");
return length;
}
/**
* @see org.apache.fop.pdf.AbstractPDFStream#buildStreamDict(String)
*/
protected String buildStreamDict(String lengthEntry) {
final String filterEntry = getFilterList().buildFilterDictEntries();
return (getObjectID()
+ "<< /Length " + lengthEntry
+ " /Length1 " + origLength
+ "\n" + filterEntry
+ "\n>>\n");
}
/**
* Sets the TrueType font data.
* @param data the font payload
* @param size size of the payload
* @throws IOException in case of an I/O problem
*/
public void setData(byte[] data, int size) throws IOException {
this.data.clear();
this.data.getOutputStream().write(data, 0, size);
}
}
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