org.apache.fop.pdf.PDFTTFStream Maven / Gradle / Ivy
/*
* 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: PDFTTFStream.java 1305467 2012-03-26 17:39:20Z vhennebert $ */
package org.apache.fop.pdf;
import java.io.IOException;
import java.io.OutputStream;
/**
* Special PDFStream for embeddable TrueType fonts.
*/
public class PDFTTFStream extends AbstractPDFFontStream {
private int origLength;
private byte[] ttfData;
/**
* Main constructor
* @param len original length
*/
public PDFTTFStream(int len) {
super();
origLength = len;
}
/** {@inheritDoc} */
protected int getSizeHint() throws IOException {
if (this.ttfData != null) {
return ttfData.length;
} else {
return 0; //no hint available
}
}
/**
* Overload the base object method so we don't have to copy
* byte arrays around so much
* {@inheritDoc}
*/
public int output(java.io.OutputStream stream)
throws java.io.IOException {
if (log.isDebugEnabled()) {
log.debug("Writing " + origLength + " bytes of TTF font data");
}
int length = super.output(stream);
log.debug("Embedded TrueType/OpenType font");
return length;
}
/** {@inheritDoc} */
protected void outputRawStreamData(OutputStream out) throws IOException {
out.write(this.ttfData);
}
/** {@inheritDoc} */
protected void populateStreamDict(Object lengthEntry) {
put("Length1", origLength);
super.populateStreamDict(lengthEntry);
}
/**
* 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.ttfData = new byte[size];
System.arraycopy(data, 0, this.ttfData, 0, size);
}
}