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- /*
- * 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.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 (int i = 0; i < len; i++) {
- Object entry = entries.get(i);
- if (entry instanceof int[]) {
- int[] line = (int[])entry;
- for (int j = 0; j < line.length; j++) {
- p.append(line[j]);
- 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 i = 0; i < metrics.length; i++) {
- p.append(this.metrics[i]);
- p.append(" ");
- }
- p.append("] ");
- }
-
- }
- }
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