public static PDFont createFont(COSDictionary dic) throws IOException 
{
        PDFont retval = null;
        COSName type = (COSName)dic.getDictionaryObject( COSName.TYPE );
        if( !type.equals( COSName.FONT ) )
        {
            throw new IOException( "Cannot create font if /Type is not /Font.  Actual=" +type );
        }
        COSName subType = (COSName)dic.getDictionaryObject( COSName.SUBTYPE );
        if( subType.equals( COSName.TYPE1) )
        {
            retval = new PDType1Font( dic );
            COSDictionary fontDic = (COSDictionary)dic.getDictionaryObject(COSName.FONT_DESC);
            if( fontDic != null )
            {
                COSStream ffStream = (COSStream)fontDic.getDictionaryObject("FontFile");
                COSStream ff3Stream = (COSStream)fontDic.getDictionaryObject("FontFile3");
                if( ffStream == null && ff3Stream != null )
                {
                    String ff3SubType = ff3Stream.getNameAsString(COSName.SUBTYPE);
                    if( ff3SubType.equals("Type1C") )
                    {
                        try 
                        {
                            retval = new PDType1CFont( dic );
                        }
                        catch( Exception e )
                        {
                            log.warn("Failed to create Type1C font. Falling back to Type1 font", e);
                        }
                    }
                }
            }
        }
        else if( subType.equals( COSName.MM_TYPE1 ) )
        {
            retval = new PDMMType1Font( dic );
        }
        else if( subType.equals( COSName.TRUE_TYPE ) )
        {
            retval = new PDTrueTypeFont( dic );
        }
        else if( subType.equals( COSName.TYPE3 ) )
        {
            retval = new PDType3Font( dic );
        }
        else if( subType.equals( COSName.TYPE0 ) )
        {
            retval = new PDType0Font( dic );
        }
        else if( subType.equals( COSName.CID_FONT_TYPE0 ) )
        {
            retval = new PDCIDFontType0Font( dic );
        }
        else if( subType.equals( COSName.CID_FONT_TYPE2 ) )
        {
            retval = new PDCIDFontType2Font( dic );
        }
        else
        {
            log.warn("Substituting TrueType for unknown font subtype=" + dic.getDictionaryObject( COSName.SUBTYPE ).toString());
            //throw new IOException( "Unknown font subtype=" + subType );
            retval = new PDTrueTypeFont( dic );
        }
        return retval;
}

This will create the correct font based on information in the dictionary.

 public static PDFont createFont(COSDictionary dic,
    Map fontCache) throws IOException 
{
        PDFont retval = null;
        if (fontCache != null) 
        {
            String fontKey = dic.getNameAsString(COSName.BASE_FONT) + dic.getNameAsString(COSName.NAME)
                                + dic.getNameAsString(COSName.SUBTYPE);
            if (dic.getItem(COSName.ENCODING) != null)
            {
                fontKey += dic.getItem(COSName.ENCODING).toString();
            }
            if (fontCache.containsKey(fontKey))
            {
                retval = (PDFont)fontCache.get(fontKey);
            }
            else 
            {
                retval = PDFontFactory.createFont( dic );
                fontCache.put(fontKey, retval);
            }
        }
        else
        {
            retval = PDFontFactory.createFont( dic );
        }
        return retval;
}

This will create the correct font based on information in the dictionary.