| /* |
| * 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.util.List; |
| |
| /** |
| * Class representing a <b>W</b> array for CID fonts. |
| */ |
| public class PDFWArray { |
| |
| /** |
| * The metrics |
| */ |
| private List entries = new java.util.ArrayList(); |
| |
| /** |
| * Default constructor |
| */ |
| public PDFWArray() { |
| } |
| |
| /** |
| * Convenience constructor |
| * @param metrics the metrics array to initially add |
| */ |
| public PDFWArray(int[] metrics) { |
| addEntry(0, metrics); |
| } |
| |
| /** |
| * Add an entry for single starting CID. |
| * i.e. in the form "c [w ...]" |
| * |
| * @param start the starting CID value. |
| * @param metrics the metrics array. |
| */ |
| public void addEntry(int start, int[] metrics) { |
| entries.add(new Entry(start, metrics)); |
| } |
| |
| /** |
| * Add an entry for a range of CIDs (/W element on p 213) |
| * |
| * @param first the first CID in the range |
| * @param last the last CID in the range |
| * @param width the width for all CIDs in the range |
| */ |
| public void addEntry(int first, int last, int width) { |
| entries.add(new int[] { |
| first, last, width |
| }); |
| } |
| |
| /** |
| * Add an entry for a range of CIDs (/W2 element on p 210) |
| * |
| * @param first the first CID in the range |
| * @param last the last CID in the range |
| * @param width the width for all CIDs in the range |
| * @param posX the x component for the vertical position vector |
| * @param posY the y component for the vertical position vector |
| */ |
| public void addEntry(int first, int last, int width, int posX, int posY) { |
| entries.add(new int[] { |
| first, last, width, posX, posY |
| }); |
| } |
| |
| /** |
| * Convert this object to PDF code. |
| * @return byte[] the PDF code |
| */ |
| public byte[] toPDF() { |
| return PDFDocument.encode(toPDFString()); |
| } |
| |
| /** |
| * Convert this object to PDF code. |
| * @return String the PDF code |
| */ |
| public String toPDFString() { |
| StringBuffer p = new StringBuffer(); |
| p.append("[ "); |
| int len = entries.size(); |
| for (Object entry : entries) { |
| if (entry instanceof int[]) { |
| int[] line = (int[]) entry; |
| for (int aLine : line) { |
| p.append(aLine); |
| p.append(" "); |
| } |
| } else { |
| ((Entry) entry).fillInPDF(p); |
| } |
| } |
| p.append("]"); |
| return p.toString(); |
| } |
| |
| /** |
| * Inner class for entries in the form "c [w ...]" |
| */ |
| private static class Entry { |
| private int start; |
| private int[] metrics; |
| public Entry(int s, int[] m) { |
| start = s; |
| metrics = m; |
| } |
| |
| public void fillInPDF(StringBuffer p) { |
| // p.setLength(0); |
| p.append(start); |
| p.append(" ["); |
| for (int metric : metrics) { |
| p.append(metric); |
| p.append(" "); |
| } |
| p.append("] "); |
| } |
| |
| } |
| } |