/*
* 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.OutputStream;
import java.io.IOException;
import org.apache.fop.util.ASCII85OutputStream;
/**
* PDF Filter for ASCII85.
* This applies a filter to a pdf stream that converts
* the data to ASCII.
*/
public class ASCII85Filter extends PDFFilter {
/**
* Get the PDF name of this filter.
*
* @return the name of the filter to be inserted into the PDF
*/
public String getName() {
return "/ASCII85Decode";
}
/**
* @see org.apache.fop.pdf.PDFFilter#isASCIIFilter()
*/
public boolean isASCIIFilter() {
return true;
}
/**
* Get the decode parameters.
*
* @return always null
*/
public String getDecodeParms() {
return null;
}
/**
* @see org.apache.fop.pdf.PDFFilter#applyFilter(OutputStream)
*/
public OutputStream applyFilter(OutputStream out) throws IOException {
return new ASCII85OutputStream(out);
}
}