12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970 |
- /*
- * 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;
-
- import java.io.IOException;
- import java.io.OutputStream;
-
- import org.apache.xmlgraphics.util.io.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";
- }
-
- /**
- * {@inheritDoc}
- */
- public boolean isASCIIFilter() {
- return true;
- }
-
- /**
- * Get the decode parameters.
- *
- * @return always null
- */
- public PDFObject getDecodeParms() {
- return null;
- }
-
- /**
- * {@inheritDoc}
- */
- public OutputStream applyFilter(OutputStream out) throws IOException {
- if (isApplied()) {
- return out;
- } else {
- return new ASCII85OutputStream(out);
- }
- }
-
- }
|