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- /*
- * 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());
- * }
- * }
- */
- }
- }
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