src/java/org/apache/fop/fonts/type1/Type1FontLoader.java - xmlgraphics-fop - Git at Google

 /*
  * 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.fonts.type1;

 import java.awt.geom.RectangularShape;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;

 import org.apache.commons.io.IOUtils;

 import org.apache.fop.fonts.CodePointMapping;
 import org.apache.fop.fonts.FontLoader;
 import org.apache.fop.fonts.FontResolver;
 import org.apache.fop.fonts.FontType;
 import org.apache.fop.fonts.SingleByteFont;

 /**
  * Loads a Type 1 font into memory directly from the original font file.
  */
 public class Type1FontLoader extends FontLoader {

     private SingleByteFont singleFont;

     /**
      * Constructs a new Type 1 font loader.
      * @param fontFileURI the URI to the PFB file of a Type 1 font
      * @param resolver the font resolver used to resolve URIs
      * @throws IOException In case of an I/O error
      */
     public Type1FontLoader(String fontFileURI, FontResolver resolver)
                 throws IOException {
         super(fontFileURI, resolver);
     }

     private String getPFMURI(String pfbURI) {
         String pfbExt = pfbURI.substring(pfbURI.length() - 3, pfbURI.length());
         String pfmExt = pfbExt.substring(0, 2)
                 + (Character.isUpperCase(pfbExt.charAt(2)) ? "M" : "m");
         return pfbURI.substring(0, pfbURI.length() - 4) + "." + pfmExt;
     }

     private static final String[] AFM_EXTENSIONS = new String[] {".AFM", ".afm", ".Afm"};

     /** {@inheritDoc} */
     protected void read() throws IOException {
         AFMFile afm = null;
         PFMFile pfm = null;

         InputStream afmIn = null;
         for (int i = 0; i < AFM_EXTENSIONS.length; i++) {
             try {
                 String afmUri = this.fontFileURI.substring(0, this.fontFileURI.length() - 4)
                         + AFM_EXTENSIONS[i];
                 afmIn = openFontUri(resolver, afmUri);
                 if (afmIn != null) {
                     break;
                 }
             } catch (IOException ioe) {
                 //Ignore, AFM probably not available under the URI
             }
         }
         if (afmIn != null) {
             try {
                 AFMParser afmParser = new AFMParser();
                 afm = afmParser.parse(afmIn);
             } finally {
                 IOUtils.closeQuietly(afmIn);
             }
         }

         String pfmUri = getPFMURI(this.fontFileURI);
         InputStream pfmIn = null;
         try {
             pfmIn = openFontUri(resolver, pfmUri);
         } catch (IOException ioe) {
             //Ignore, PFM probably not available under the URI
         }
         if (pfmIn != null) {
             try {
                 pfm = new PFMFile();
                 pfm.load(pfmIn);
             } finally {
                 IOUtils.closeQuietly(pfmIn);
             }
         }

         if (afm == null && pfm == null) {
             throw new java.io.FileNotFoundException(
                     "Neither an AFM nor a PFM file was found for " + this.fontFileURI);
         }
         buildFont(afm, pfm);
         this.loaded = true;
     }

     private void buildFont(AFMFile afm, PFMFile pfm) {
         if (afm == null && pfm == null) {
             throw new IllegalArgumentException("Need at least an AFM or a PFM!");
         }
         singleFont = new SingleByteFont();
         singleFont.setFontType(FontType.TYPE1);
         singleFont.setResolver(this.resolver);
         singleFont.setEmbedFileName(this.fontFileURI);
         returnFont = singleFont;

         handleEncoding(afm, pfm);
         handleFontName(afm, pfm);
         handleMetrics(afm, pfm);
     }

     private void handleEncoding(AFMFile afm, PFMFile pfm) {
         //Encoding
         if (afm != null) {
             String encoding = afm.getEncodingScheme();
             if ("AdobeStandardEncoding".equals(encoding)) {
                 singleFont.setEncoding(CodePointMapping.STANDARD_ENCODING);
             } else {
                 String effEncodingName;
                 if ("FontSpecific".equals(encoding)) {
                     effEncodingName = afm.getFontName() + "Encoding";
                 } else {
                     effEncodingName = encoding;
                 }
                 if (log.isDebugEnabled()) {
                     log.debug("Unusual font encoding encountered: "
                             + encoding + " -> " + effEncodingName);
                 }
                 CodePointMapping mapping = buildCustomEncoding(effEncodingName, afm);
                 singleFont.setEncoding(mapping);
             }
             List charMetrics = afm.getCharMetrics();
             for (int i = 0, c = afm.getCharCount(); i < c; i++) {
                 AFMCharMetrics metrics = (AFMCharMetrics)charMetrics.get(i);
                 if (!metrics.hasCharCode() && metrics.getCharacter() != null) {
                     singleFont.addUnencodedCharacter(metrics.getCharacter(),
                             (int)Math.round(metrics.getWidthX()));
                 }
             }
         } else {
             if (pfm.getCharSet() >= 0 && pfm.getCharSet() <= 2) {
                 singleFont.setEncoding(pfm.getCharSetName() + "Encoding");
             } else {
                 log.warn("The PFM reports an unsupported encoding ("
                         + pfm.getCharSetName() + "). The font may not work as expected.");
                 singleFont.setEncoding("WinAnsiEncoding"); //Try fallback, no guarantees!
             }
         }
     }

     private void handleFontName(AFMFile afm, PFMFile pfm) {
         //Font name
         if (afm != null) {
             returnFont.setFontName(afm.getFontName()); //PostScript font name
             returnFont.setFullName(afm.getFullName());
             Set names = new java.util.HashSet();
             names.add(afm.getFamilyName());
             returnFont.setFamilyNames(names);
         } else {
             returnFont.setFontName(pfm.getPostscriptName());
             String fullName = pfm.getPostscriptName();
             fullName = fullName.replace('-', ' '); //Hack! Try to emulate full name
             returnFont.setFullName(fullName); //emulate afm.getFullName()
             Set names = new java.util.HashSet();
             names.add(pfm.getWindowsName()); //emulate afm.getFamilyName()
             returnFont.setFamilyNames(names);
         }
     }

     private void handleMetrics(AFMFile afm, PFMFile pfm) {
         //Basic metrics
         if (afm != null) {
             if (afm.getCapHeight() != null) {
                 returnFont.setCapHeight(afm.getCapHeight().intValue());
             }
             if (afm.getXHeight() != null) {
                 returnFont.setXHeight(afm.getXHeight().intValue());
             }
             if (afm.getAscender() != null) {
                 returnFont.setAscender(afm.getAscender().intValue());
             }
             if (afm.getDescender() != null) {
                 returnFont.setDescender(afm.getDescender().intValue());
             }

             returnFont.setFontBBox(afm.getFontBBoxAsIntArray());
             if (afm.getStdVW() != null) {
                 returnFont.setStemV(afm.getStdVW().intValue());
             } else {
                 returnFont.setStemV(80); //Arbitrary value
             }
             returnFont.setItalicAngle((int)afm.getWritingDirectionMetrics(0).getItalicAngle());
         } else {
             returnFont.setFontBBox(pfm.getFontBBox());
             returnFont.setStemV(pfm.getStemV());
             returnFont.setItalicAngle(pfm.getItalicAngle());
         }
         if (pfm != null) {
             //Sometimes the PFM has these metrics while the AFM doesn't (ex. Symbol)
             if (returnFont.getCapHeight() == 0) {
                 returnFont.setCapHeight(pfm.getCapHeight());
             }
             if (returnFont.getXHeight(1) == 0) {
                 returnFont.setXHeight(pfm.getXHeight());
             }
             if (returnFont.getAscender() == 0) {
                 returnFont.setAscender(pfm.getLowerCaseAscent());
             }
             if (returnFont.getDescender() == 0) {
                 returnFont.setDescender(pfm.getLowerCaseDescent());
             }
         }

         //Fallbacks when some crucial font metrics aren't available
         //(the following are all optional in AFM, but FontBBox is always available)
         if (returnFont.getXHeight(1) == 0) {
             int xHeight = 0;
             if (afm != null) {
                 AFMCharMetrics chm = afm.getChar("x");
                 if (chm != null) {
                     RectangularShape rect = chm.getBBox();
                     if (rect != null) {
                         xHeight = (int)Math.round(rect.getMinX());
                     }
                 }
             }
             if (xHeight == 0) {
                 xHeight = Math.round(returnFont.getFontBBox()[3] * 0.6f);
             }
             returnFont.setXHeight(xHeight);
         }
         if (returnFont.getAscender() == 0) {
             int asc = 0;
             if (afm != null) {
                 AFMCharMetrics chm = afm.getChar("d");
                 if (chm != null) {
                     RectangularShape rect = chm.getBBox();
                     if (rect != null) {
                         asc = (int)Math.round(rect.getMinX());
                     }
                 }
             }
             if (asc == 0) {
                 asc = Math.round(returnFont.getFontBBox()[3] * 0.9f);
             }
             returnFont.setAscender(asc);
         }
         if (returnFont.getDescender() == 0) {
             int desc = 0;
             if (afm != null) {
                 AFMCharMetrics chm = afm.getChar("p");
                 if (chm != null) {
                     RectangularShape rect = chm.getBBox();
                     if (rect != null) {
                         desc = (int)Math.round(rect.getMinX());
                     }
                 }
             }
             if (desc == 0) {
                 desc = returnFont.getFontBBox()[1];
             }
             returnFont.setDescender(desc);
         }
         if (returnFont.getCapHeight() == 0) {
             returnFont.setCapHeight(returnFont.getAscender());
         }

         if (afm != null) {
             String charSet = afm.getCharacterSet();
             int flags = 0;
             if ("Special".equals(charSet)) {
                 flags |= 4; //bit 3: Symbolic
             } else {
                 if (singleFont.getEncoding().mapChar('A') == 'A') {
                     //High likelyhood that the font is non-symbolic
                     flags |= 32; //bit 6: Nonsymbolic
                 } else {
                     flags |= 4; //bit 3: Symbolic
                 }
             }
             if (afm.getWritingDirectionMetrics(0).isFixedPitch()) {
                 flags |= 1; //bit 1: FixedPitch
             }
             if (afm.getWritingDirectionMetrics(0).getItalicAngle() != 0.0) {
                 flags |= 64; //bit 7: Italic
             }
             returnFont.setFlags(flags);

             returnFont.setFirstChar(afm.getFirstChar());
             returnFont.setLastChar(afm.getLastChar());
             Iterator iter = afm.getCharMetrics().iterator();
             while (iter.hasNext()) {
                 AFMCharMetrics chm = (AFMCharMetrics)iter.next();
                 if (chm.hasCharCode()) {
                     singleFont.setWidth(chm.getCharCode(), (int)Math.round(chm.getWidthX()));
                 }
             }
             returnFont.replaceKerningMap(afm.createXKerningMapEncoded());
         } else {
             returnFont.setFlags(pfm.getFlags());
             returnFont.setFirstChar(pfm.getFirstChar());
             returnFont.setLastChar(pfm.getLastChar());
             for (short i = pfm.getFirstChar(); i <= pfm.getLastChar(); i++) {
                 singleFont.setWidth(i, pfm.getCharWidth(i));
             }
             returnFont.replaceKerningMap(pfm.getKerning());
         }
     }

     private CodePointMapping buildCustomEncoding(String encodingName, AFMFile afm) {
         List chars = afm.getCharMetrics();
         int mappingCount = 0;
         //Just count the first time...
         Iterator iter = chars.iterator();
         while (iter.hasNext()) {
             AFMCharMetrics charMetrics = (AFMCharMetrics)iter.next();
             if (charMetrics.getCharCode() >= 0) {
                 String u = charMetrics.getUnicodeSequence();
                 if (u != null && u.length() == 1) {
                     mappingCount++;
                 }
             }
         }
         //...and now build the table.
         int[] table = new int[mappingCount * 2];
         String[] charNameMap = new String[256];
         iter = chars.iterator();
         int idx = 0;
         while (iter.hasNext()) {
             AFMCharMetrics charMetrics = (AFMCharMetrics)iter.next();
             if (charMetrics.getCharCode() >= 0) {
                 charNameMap[charMetrics.getCharCode()] = charMetrics.getCharName();
                 String unicodes = charMetrics.getUnicodeSequence();
                 if (unicodes == null) {
                     log.info("No Unicode mapping for glyph: " + charMetrics);
                 } else if (unicodes.length() == 1) {
                     table[idx] = charMetrics.getCharCode();
                     idx++;
                     table[idx] = unicodes.charAt(0);
                     idx++;
                 } else {
                     log.warn("Multi-character representation of glyph not currently supported: "
                             + charMetrics);
                 }
             }
         }
         return new CodePointMapping(encodingName, table, charNameMap);
     }
 }
	/*
	* 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.fonts.type1;

	import java.awt.geom.RectangularShape;
	import java.io.IOException;
	import java.io.InputStream;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Set;

	import org.apache.commons.io.IOUtils;

	import org.apache.fop.fonts.CodePointMapping;
	import org.apache.fop.fonts.FontLoader;
	import org.apache.fop.fonts.FontResolver;
	import org.apache.fop.fonts.FontType;
	import org.apache.fop.fonts.SingleByteFont;

	/**
	* Loads a Type 1 font into memory directly from the original font file.
	*/
	public class Type1FontLoader extends FontLoader {

	private SingleByteFont singleFont;

	/**
	* Constructs a new Type 1 font loader.
	* @param fontFileURI the URI to the PFB file of a Type 1 font
	* @param resolver the font resolver used to resolve URIs
	* @throws IOException In case of an I/O error
	*/
	public Type1FontLoader(String fontFileURI, FontResolver resolver)
	throws IOException {
	super(fontFileURI, resolver);
	}

	private String getPFMURI(String pfbURI) {
	String pfbExt = pfbURI.substring(pfbURI.length() - 3, pfbURI.length());
	String pfmExt = pfbExt.substring(0, 2)
	+ (Character.isUpperCase(pfbExt.charAt(2)) ? "M" : "m");
	return pfbURI.substring(0, pfbURI.length() - 4) + "." + pfmExt;
	}

	private static final String[] AFM_EXTENSIONS = new String[] {".AFM", ".afm", ".Afm"};

	/** {@inheritDoc} */
	protected void read() throws IOException {
	AFMFile afm = null;
	PFMFile pfm = null;

	InputStream afmIn = null;
	for (int i = 0; i < AFM_EXTENSIONS.length; i++) {
	try {
	String afmUri = this.fontFileURI.substring(0, this.fontFileURI.length() - 4)
	+ AFM_EXTENSIONS[i];
	afmIn = openFontUri(resolver, afmUri);
	if (afmIn != null) {
	break;
	}
	} catch (IOException ioe) {
	//Ignore, AFM probably not available under the URI
	}
	}
	if (afmIn != null) {
	try {
	AFMParser afmParser = new AFMParser();
	afm = afmParser.parse(afmIn);
	} finally {
	IOUtils.closeQuietly(afmIn);
	}
	}

	String pfmUri = getPFMURI(this.fontFileURI);
	InputStream pfmIn = null;
	try {
	pfmIn = openFontUri(resolver, pfmUri);
	} catch (IOException ioe) {
	//Ignore, PFM probably not available under the URI
	}
	if (pfmIn != null) {
	try {
	pfm = new PFMFile();
	pfm.load(pfmIn);
	} finally {
	IOUtils.closeQuietly(pfmIn);
	}
	}

	if (afm == null && pfm == null) {
	throw new java.io.FileNotFoundException(
	"Neither an AFM nor a PFM file was found for " + this.fontFileURI);
	}
	buildFont(afm, pfm);
	this.loaded = true;
	}

	private void buildFont(AFMFile afm, PFMFile pfm) {
	if (afm == null && pfm == null) {
	throw new IllegalArgumentException("Need at least an AFM or a PFM!");
	}
	singleFont = new SingleByteFont();
	singleFont.setFontType(FontType.TYPE1);
	singleFont.setResolver(this.resolver);
	singleFont.setEmbedFileName(this.fontFileURI);
	returnFont = singleFont;

	handleEncoding(afm, pfm);
	handleFontName(afm, pfm);
	handleMetrics(afm, pfm);
	}

	private void handleEncoding(AFMFile afm, PFMFile pfm) {
	//Encoding
	if (afm != null) {
	String encoding = afm.getEncodingScheme();
	if ("AdobeStandardEncoding".equals(encoding)) {
	singleFont.setEncoding(CodePointMapping.STANDARD_ENCODING);
	} else {
	String effEncodingName;
	if ("FontSpecific".equals(encoding)) {
	effEncodingName = afm.getFontName() + "Encoding";
	} else {
	effEncodingName = encoding;
	}
	if (log.isDebugEnabled()) {
	log.debug("Unusual font encoding encountered: "
	+ encoding + " -> " + effEncodingName);
	}
	CodePointMapping mapping = buildCustomEncoding(effEncodingName, afm);
	singleFont.setEncoding(mapping);
	}
	List charMetrics = afm.getCharMetrics();
	for (int i = 0, c = afm.getCharCount(); i < c; i++) {
	AFMCharMetrics metrics = (AFMCharMetrics)charMetrics.get(i);
	if (!metrics.hasCharCode() && metrics.getCharacter() != null) {
	singleFont.addUnencodedCharacter(metrics.getCharacter(),
	(int)Math.round(metrics.getWidthX()));
	}
	}
	} else {
	if (pfm.getCharSet() >= 0 && pfm.getCharSet() <= 2) {
	singleFont.setEncoding(pfm.getCharSetName() + "Encoding");
	} else {
	log.warn("The PFM reports an unsupported encoding ("
	+ pfm.getCharSetName() + "). The font may not work as expected.");
	singleFont.setEncoding("WinAnsiEncoding"); //Try fallback, no guarantees!
	}
	}
	}

	private void handleFontName(AFMFile afm, PFMFile pfm) {
	//Font name
	if (afm != null) {
	returnFont.setFontName(afm.getFontName()); //PostScript font name
	returnFont.setFullName(afm.getFullName());
	Set names = new java.util.HashSet();
	names.add(afm.getFamilyName());
	returnFont.setFamilyNames(names);
	} else {
	returnFont.setFontName(pfm.getPostscriptName());
	String fullName = pfm.getPostscriptName();
	fullName = fullName.replace('-', ' '); //Hack! Try to emulate full name
	returnFont.setFullName(fullName); //emulate afm.getFullName()
	Set names = new java.util.HashSet();
	names.add(pfm.getWindowsName()); //emulate afm.getFamilyName()
	returnFont.setFamilyNames(names);
	}
	}

	private void handleMetrics(AFMFile afm, PFMFile pfm) {
	//Basic metrics
	if (afm != null) {
	if (afm.getCapHeight() != null) {
	returnFont.setCapHeight(afm.getCapHeight().intValue());
	}
	if (afm.getXHeight() != null) {
	returnFont.setXHeight(afm.getXHeight().intValue());
	}
	if (afm.getAscender() != null) {
	returnFont.setAscender(afm.getAscender().intValue());
	}
	if (afm.getDescender() != null) {
	returnFont.setDescender(afm.getDescender().intValue());
	}

	returnFont.setFontBBox(afm.getFontBBoxAsIntArray());
	if (afm.getStdVW() != null) {
	returnFont.setStemV(afm.getStdVW().intValue());
	} else {
	returnFont.setStemV(80); //Arbitrary value
	}
	returnFont.setItalicAngle((int)afm.getWritingDirectionMetrics(0).getItalicAngle());
	} else {
	returnFont.setFontBBox(pfm.getFontBBox());
	returnFont.setStemV(pfm.getStemV());
	returnFont.setItalicAngle(pfm.getItalicAngle());
	}
	if (pfm != null) {
	//Sometimes the PFM has these metrics while the AFM doesn't (ex. Symbol)
	if (returnFont.getCapHeight() == 0) {
	returnFont.setCapHeight(pfm.getCapHeight());
	}
	if (returnFont.getXHeight(1) == 0) {
	returnFont.setXHeight(pfm.getXHeight());
	}
	if (returnFont.getAscender() == 0) {
	returnFont.setAscender(pfm.getLowerCaseAscent());
	}
	if (returnFont.getDescender() == 0) {
	returnFont.setDescender(pfm.getLowerCaseDescent());
	}
	}

	//Fallbacks when some crucial font metrics aren't available
	//(the following are all optional in AFM, but FontBBox is always available)
	if (returnFont.getXHeight(1) == 0) {
	int xHeight = 0;
	if (afm != null) {
	AFMCharMetrics chm = afm.getChar("x");
	if (chm != null) {
	RectangularShape rect = chm.getBBox();
	if (rect != null) {
	xHeight = (int)Math.round(rect.getMinX());
	}
	}
	}
	if (xHeight == 0) {
	xHeight = Math.round(returnFont.getFontBBox()[3] * 0.6f);
	}
	returnFont.setXHeight(xHeight);
	}
	if (returnFont.getAscender() == 0) {
	int asc = 0;
	if (afm != null) {
	AFMCharMetrics chm = afm.getChar("d");
	if (chm != null) {
	RectangularShape rect = chm.getBBox();
	if (rect != null) {
	asc = (int)Math.round(rect.getMinX());
	}
	}
	}
	if (asc == 0) {
	asc = Math.round(returnFont.getFontBBox()[3] * 0.9f);
	}
	returnFont.setAscender(asc);
	}
	if (returnFont.getDescender() == 0) {
	int desc = 0;
	if (afm != null) {
	AFMCharMetrics chm = afm.getChar("p");
	if (chm != null) {
	RectangularShape rect = chm.getBBox();
	if (rect != null) {
	desc = (int)Math.round(rect.getMinX());
	}
	}
	}
	if (desc == 0) {
	desc = returnFont.getFontBBox()[1];
	}
	returnFont.setDescender(desc);
	}
	if (returnFont.getCapHeight() == 0) {
	returnFont.setCapHeight(returnFont.getAscender());
	}

	if (afm != null) {
	String charSet = afm.getCharacterSet();
	int flags = 0;
	if ("Special".equals(charSet)) {
	flags \|= 4; //bit 3: Symbolic
	} else {
	if (singleFont.getEncoding().mapChar('A') == 'A') {
	//High likelyhood that the font is non-symbolic
	flags \|= 32; //bit 6: Nonsymbolic
	} else {
	flags \|= 4; //bit 3: Symbolic
	}
	}
	if (afm.getWritingDirectionMetrics(0).isFixedPitch()) {
	flags \|= 1; //bit 1: FixedPitch
	}
	if (afm.getWritingDirectionMetrics(0).getItalicAngle() != 0.0) {
	flags \|= 64; //bit 7: Italic
	}
	returnFont.setFlags(flags);

	returnFont.setFirstChar(afm.getFirstChar());
	returnFont.setLastChar(afm.getLastChar());
	Iterator iter = afm.getCharMetrics().iterator();
	while (iter.hasNext()) {
	AFMCharMetrics chm = (AFMCharMetrics)iter.next();
	if (chm.hasCharCode()) {
	singleFont.setWidth(chm.getCharCode(), (int)Math.round(chm.getWidthX()));
	}
	}
	returnFont.replaceKerningMap(afm.createXKerningMapEncoded());
	} else {
	returnFont.setFlags(pfm.getFlags());
	returnFont.setFirstChar(pfm.getFirstChar());
	returnFont.setLastChar(pfm.getLastChar());
	for (short i = pfm.getFirstChar(); i <= pfm.getLastChar(); i++) {
	singleFont.setWidth(i, pfm.getCharWidth(i));
	}
	returnFont.replaceKerningMap(pfm.getKerning());
	}
	}

	private CodePointMapping buildCustomEncoding(String encodingName, AFMFile afm) {
	List chars = afm.getCharMetrics();
	int mappingCount = 0;
	//Just count the first time...
	Iterator iter = chars.iterator();
	while (iter.hasNext()) {
	AFMCharMetrics charMetrics = (AFMCharMetrics)iter.next();
	if (charMetrics.getCharCode() >= 0) {
	String u = charMetrics.getUnicodeSequence();
	if (u != null && u.length() == 1) {
	mappingCount++;
	}
	}
	}
	//...and now build the table.
	int[] table = new int[mappingCount * 2];
	String[] charNameMap = new String[256];
	iter = chars.iterator();
	int idx = 0;
	while (iter.hasNext()) {
	AFMCharMetrics charMetrics = (AFMCharMetrics)iter.next();
	if (charMetrics.getCharCode() >= 0) {
	charNameMap[charMetrics.getCharCode()] = charMetrics.getCharName();
	String unicodes = charMetrics.getUnicodeSequence();
	if (unicodes == null) {
	log.info("No Unicode mapping for glyph: " + charMetrics);
	} else if (unicodes.length() == 1) {
	table[idx] = charMetrics.getCharCode();
	idx++;
	table[idx] = unicodes.charAt(0);
	idx++;
	} else {
	log.warn("Multi-character representation of glyph not currently supported: "
	+ charMetrics);
	}
	}
	}
	return new CodePointMapping(encodingName, table, charNameMap);
	}
	}