From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 1 Dec 2006 12:20:24 +0000
Subject: Initial import of release 2.2.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 src/main/java/org/pdfbox/ttf/TTFParser.java | 219 ++++++++++++++++++++++++++++
 1 file changed, 219 insertions(+)
 create mode 100644 src/main/java/org/pdfbox/ttf/TTFParser.java

(limited to 'src/main/java/org/pdfbox/ttf/TTFParser.java')

diff --git a/src/main/java/org/pdfbox/ttf/TTFParser.java b/src/main/java/org/pdfbox/ttf/TTFParser.java
new file mode 100644
index 0000000..903badb
--- /dev/null
+++ b/src/main/java/org/pdfbox/ttf/TTFParser.java
@@ -0,0 +1,219 @@
+/**
+ * Copyright (c) 2004, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox.ttf;
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * A true type font file parser.
+ * 
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.3 $
+ */
+public class TTFParser
+{   
+    /**
+     * A simple command line program to test parsing of a TTF file. <br/>
+     * usage: java org.pdfbox.ttf.TTFParser &lt;ttf-file&gt;
+     * 
+     * @param args The command line arguments.
+     * 
+     * @throws IOException If there is an error while parsing the font file.
+     */
+    public static void main( String[] args ) throws IOException
+    {
+        if( args.length != 1 )
+        {
+            System.err.println( "usage: java org.pdfbox.ttf.TTFParser <ttf-file>" );
+            System.exit( -1 );
+        }
+        TTFParser parser = new TTFParser();
+        TrueTypeFont font = parser.parseTTF( args[0] );
+        System.out.println( "Font:" + font );
+    }
+    
+    /**
+     * Parse a file and get a true type font.
+     * @param ttfFile The TTF file.
+     * @return A true type font.
+     * @throws IOException If there is an error parsing the true type font.
+     */
+    public TrueTypeFont parseTTF( String ttfFile ) throws IOException
+    {
+        RAFDataStream raf = new RAFDataStream( ttfFile, "r" );
+        return parseTTF( raf );
+    }
+    
+    /**
+     * Parse a file and get a true type font.
+     * @param ttfFile The TTF file.
+     * @return A true type font.
+     * @throws IOException If there is an error parsing the true type font.
+     */
+    public TrueTypeFont parseTTF( File ttfFile ) throws IOException
+    {
+        RAFDataStream raf = new RAFDataStream( ttfFile, "r" );
+        return parseTTF( raf );
+    }
+    
+    /**
+     * Parse a file and get a true type font.
+     * @param raf The TTF file.
+     * @return A true type font.
+     * @throws IOException If there is an error parsing the true type font.
+     */
+    public TrueTypeFont parseTTF( TTFDataStream raf ) throws IOException
+    {
+        TrueTypeFont font = new TrueTypeFont( raf );
+        font.setVersion( raf.read32Fixed() );
+        int numberOfTables = raf.readUnsignedShort();
+        int searchRange = raf.readUnsignedShort();
+        int entrySelector = raf.readUnsignedShort();
+        int rangeShift = raf.readUnsignedShort();
+        for( int i=0; i<numberOfTables; i++ )
+        {
+            TTFTable table = readTableDirectory( raf );   
+            font.addTable( table );
+        }
+        List initialized = new ArrayList();
+        //need to initialize a couple tables in a certain order
+        HeaderTable head = font.getHeader();
+        raf.seek( head.getOffset() );
+        head.initData( font, raf );
+        initialized.add( head );
+        
+        
+        HorizontalHeaderTable hh = font.getHorizontalHeader();
+        raf.seek( hh.getOffset() );
+        hh.initData( font, raf );
+        initialized.add( hh );
+        
+        MaximumProfileTable maxp = font.getMaximumProfile();
+        raf.seek( maxp.getOffset() );
+        maxp.initData( font, raf );
+        initialized.add( maxp );
+        
+        PostScriptTable post = font.getPostScript();
+        raf.seek( post.getOffset() );
+        post.initData( font, raf );
+        initialized.add( post );
+        
+        IndexToLocationTable loc = font.getIndexToLocation();
+        raf.seek( loc.getOffset() );
+        loc.initData( font, raf );
+        initialized.add( loc );
+        
+        Iterator iter = font.getTables().iterator();
+        while( iter.hasNext() )
+        {
+            TTFTable table = (TTFTable)iter.next();
+            if( !initialized.contains( table ) )
+            {
+                raf.seek( table.getOffset() );
+                table.initData( font, raf );
+            }
+        }
+        return font;
+    }
+    
+    private TTFTable readTableDirectory( TTFDataStream raf ) throws IOException
+    {
+        TTFTable retval = null;
+        String tag = raf.readString( 4 );
+        if( tag.equals( CMAPTable.TAG ) )
+        {
+            retval = new CMAPTable();
+        }
+        else if( tag.equals( GlyphTable.TAG ) )
+        {
+            retval = new GlyphTable();
+        }
+        else if( tag.equals( HeaderTable.TAG ) )
+        {
+            retval = new HeaderTable();
+        }
+        else if( tag.equals( HorizontalHeaderTable.TAG ) )
+        {
+            retval = new HorizontalHeaderTable();
+        }
+        else if( tag.equals( HorizontalMetricsTable.TAG ) )
+        {
+            retval = new HorizontalMetricsTable();
+        }
+        else if( tag.equals( IndexToLocationTable.TAG ) )
+        {
+            retval = new IndexToLocationTable();
+        }
+        else if( tag.equals( MaximumProfileTable.TAG ) )
+        {
+            retval = new MaximumProfileTable();
+        }
+        else if( tag.equals( NamingTable.TAG ) )
+        {
+            retval = new NamingTable();
+        }
+        else if( tag.equals( OS2WindowsMetricsTable.TAG ) )
+        {
+            retval = new OS2WindowsMetricsTable();
+        }
+        else if( tag.equals( PostScriptTable.TAG ) )
+        {
+            retval = new PostScriptTable();
+        }
+        else if( tag.equals( GlyphTable.TAG ) )
+        {
+            retval = new GlyphTable();
+        }
+        else if( tag.equals( GlyphTable.TAG ) )
+        {
+            retval = new GlyphTable();
+        }
+        else if( tag.equals( DigitalSignatureTable.TAG ) )
+        {
+            retval = new DigitalSignatureTable();
+        }
+        else
+        {
+            //unknown table type but read it anyway.
+            retval = new TTFTable();
+        }
+        retval.setTag( tag );
+        retval.setCheckSum( raf.readUnsignedInt() );
+        retval.setOffset( raf.readUnsignedInt() );
+        retval.setLength( raf.readUnsignedInt() );
+        return retval;
+    }
+}
\ No newline at end of file
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