| /* |
| * 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; |
| |
| /** |
| * 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} |
| */ |
| protected 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); |
| } |
| |
| } |