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Diffstat (limited to 'src/java/org/apache/fop/pdf/CMapBuilder.java')
| -rw-r--r-- | src/java/org/apache/fop/pdf/CMapBuilder.java | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/pdf/CMapBuilder.java b/src/java/org/apache/fop/pdf/CMapBuilder.java new file mode 100644 index 000000000..f55c34fcf --- /dev/null +++ b/src/java/org/apache/fop/pdf/CMapBuilder.java @@ -0,0 +1,157 @@ +/* + * 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; + +public class CMapBuilder { + + protected String name; + protected Writer writer; + + 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(); + } + + protected void writePreStream() throws IOException { + // writer.write("/Type /CMap\n"); + // writer.write(sysInfo.toPDFString()); + // writer.write("/CMapName /" + name + EOL); + } + + 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"); + } + + protected void writeCIDInit() throws IOException { + writer.write("/CIDInit /ProcSet findresource begin\n"); + writer.write("12 dict begin\n"); + writer.write("begincmap\n"); + } + + 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"); + } + + protected void writeCIDSystemInfo() throws IOException { + writeCIDSystemInfo("Adobe", "Identity", 0); + } + + protected void writeVersion(String version) throws IOException { + writer.write("/CMapVersion "); + writer.write(version); + writer.write(" def\n"); + } + + protected void writeType(String type) throws IOException { + writer.write("/CMapType "); + writer.write(type); + writer.write(" def\n"); + } + + protected void writeName(String name) throws IOException { + writer.write("/CMapName /"); + writer.write(name); + writer.write(" def\n"); + } + + protected void writeCodeSpaceRange() throws IOException { + writer.write("1 begincodespacerange\n"); + writer.write("<0000> <FFFF>\n"); + writer.write("endcodespacerange\n"); + } + + protected void writeCIDRange() throws IOException { + writer.write("1 begincidrange\n"); + writer.write("<0000> <FFFF> 0\n"); + writer.write("endcidrange\n"); + } + + protected void writeBFEntries() throws IOException { + // writer.write("1 beginbfrange\n"); + // writer.write("<0020> <0100> <0000>\n"); + // writer.write("endbfrange\n"); + } + + 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"); + } + + protected void writeStreamAfterComments() throws IOException { + writer.write("%%EndResource\n"); + writer.write("%%EOF\n"); + } + + 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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