| /* |
| * 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.Writer; |
| |
| /** A cmap builder. */ |
| public class CMapBuilder { |
| |
| /** name */ |
| protected String name; |
| /** writer */ |
| protected Writer writer; |
| |
| /** |
| * Construct cmap builder. |
| * @param writer a writer |
| * @param name a name |
| */ |
| public CMapBuilder(Writer writer, String name) { |
| this.writer = writer; |
| this.name = name; |
| } |
| |
| /** |
| * Writes the CMap to a Writer. |
| * @throws IOException if an I/O error occurs |
| */ |
| public void writeCMap() throws IOException { |
| writePreStream(); |
| writeStreamComments(); |
| writeCIDInit(); |
| writeCIDSystemInfo(); |
| writeVersion("1"); |
| writeType("1"); |
| writeName(name); |
| writeCodeSpaceRange(); |
| writeCIDRange(); |
| writeBFEntries(); |
| writeWrapUp(); |
| writeStreamAfterComments(); |
| writeUseCMap(); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writePreStream() throws IOException { |
| // writer.write("/Type /CMap\n"); |
| // writer.write(sysInfo.toPDFString()); |
| // writer.write("/CMapName /" + name + EOL); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeStreamComments() throws IOException { |
| writer.write("%!PS-Adobe-3.0 Resource-CMap\n"); |
| writer.write("%%DocumentNeededResources: ProcSet (CIDInit)\n"); |
| writer.write("%%IncludeResource: ProcSet (CIDInit)\n"); |
| writer.write("%%BeginResource: CMap (" + name + ")\n"); |
| writer.write("%%EndComments\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeCIDInit() throws IOException { |
| writer.write("/CIDInit /ProcSet findresource begin\n"); |
| writer.write("12 dict begin\n"); |
| writer.write("begincmap\n"); |
| } |
| |
| /** |
| * @param registry string |
| * @param ordering string |
| * @param supplement string |
| * @throws IOException if i/o exception |
| */ |
| protected void writeCIDSystemInfo(String registry, String ordering, int supplement) |
| throws IOException { |
| writer.write("/CIDSystemInfo 3 dict dup begin\n"); |
| writer.write(" /Registry ("); |
| writer.write(registry); |
| writer.write(") def\n"); |
| writer.write(" /Ordering ("); |
| writer.write(ordering); |
| writer.write(") def\n"); |
| writer.write(" /Supplement "); |
| writer.write(Integer.toString(supplement)); |
| writer.write(" def\n"); |
| writer.write("end def\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeCIDSystemInfo() throws IOException { |
| writeCIDSystemInfo("Adobe", "Identity", 0); |
| } |
| |
| /** |
| * @param version a version |
| * @throws IOException if i/o exception |
| */ |
| protected void writeVersion(String version) throws IOException { |
| writer.write("/CMapVersion "); |
| writer.write(version); |
| writer.write(" def\n"); |
| } |
| |
| /** |
| * @param type a type |
| * @throws IOException if i/o exception |
| */ |
| protected void writeType(String type) throws IOException { |
| writer.write("/CMapType "); |
| writer.write(type); |
| writer.write(" def\n"); |
| } |
| |
| /** |
| * @param name a name |
| * @throws IOException if i/o exception |
| */ |
| protected void writeName(String name) throws IOException { |
| writer.write("/CMapName /"); |
| writer.write(name); |
| writer.write(" def\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeCodeSpaceRange() throws IOException { |
| writeCodeSpaceRange(false); |
| } |
| |
| /** |
| * @param singleByte true if single byte range |
| * @throws IOException if i/o exception |
| */ |
| protected void writeCodeSpaceRange(boolean singleByte) throws IOException { |
| writer.write("1 begincodespacerange\n"); |
| if (singleByte) { |
| writer.write("<00> <FF>\n"); |
| } else { |
| writer.write("<0000> <FFFF>\n"); |
| } |
| writer.write("endcodespacerange\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeCIDRange() throws IOException { |
| writer.write("1 begincidrange\n"); |
| writer.write("<0000> <FFFF> 0\n"); |
| writer.write("endcidrange\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeBFEntries() throws IOException { |
| // writer.write("1 beginbfrange\n"); |
| // writer.write("<0020> <0100> <0000>\n"); |
| // writer.write("endbfrange\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeWrapUp() throws IOException { |
| writer.write("endcmap\n"); |
| writer.write("CMapName currentdict /CMap defineresource pop\n"); |
| writer.write("end\n"); |
| writer.write("end\n"); |
| } |
| |
| /** @throws IOException if i/o exception */ |
| protected void writeStreamAfterComments() throws IOException { |
| writer.write("%%EndResource\n"); |
| writer.write("%%EOF\n"); |
| } |
| |
| /** does nothing */ |
| protected void writeUseCMap() { |
| /* |
| * writer.write(" /Type /CMap"); |
| * writer.write("/CMapName /" + name + EOL); |
| * writer.write("/WMode " + wMode + EOL); |
| * if (base != null) { |
| * writer.write("/UseCMap "); |
| * if (base instanceof String) { |
| * writer.write("/"+base); |
| * } else {// base instanceof PDFStream |
| * writer.write(((PDFStream)base).referencePDF()); |
| * } |
| * } |
| */ |
| } |
| } |