Load font with byte array

9 files changed, 168 insertions, 356 deletions

diff --git a/src/main/java/net/java/dev/typecast/ot/OTFont.java b/src/main/java/net/java/dev/typecast/ot/OTFont.java
index c23aa8f..d753e84 100644
--- a/src/main/java/net/java/dev/typecast/ot/OTFont.java
+++ b/src/main/java/net/java/dev/typecast/ot/OTFont.java
@@ -1,72 +1,28 @@
 /*
-
- ============================================================================
-                   The Apache Software License, Version 1.1
- ============================================================================
-
- Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modifica-
- tion, 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. The end-user documentation included with the redistribution, if any, must
-    include  the following  acknowledgment:  "This product includes  software
-    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
-    Alternately, this  acknowledgment may  appear in the software itself,  if
-    and wherever such third-party acknowledgments normally appear.
-
- 4. The names "Batik" and  "Apache Software Foundation" must  not  be
-    used to  endorse or promote  products derived from  this software without
-    prior written permission. For written permission, please contact
-    [email protected].
-
- 5. Products  derived from this software may not  be called "Apache", nor may
-    "Apache" appear  in their name,  without prior written permission  of the
-    Apache Software Foundation.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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
- APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
- DING, 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.
-
- This software  consists of voluntary contributions made  by many individuals
- on  behalf of the Apache Software  Foundation. For more  information on the
- Apache Software Foundation, please see <http://www.apache.org/>.
-
-*/
+ * Typecast
+ *
+ * Copyright © 2004-2019 David Schweinsberg
+ *
+ * Licensed 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.
+ */
 
 package net.java.dev.typecast.ot;
 
+import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
 
-import net.java.dev.typecast.ot.table.CmapTable;
-import net.java.dev.typecast.ot.table.DirectoryEntry;
-import net.java.dev.typecast.ot.table.HeadTable;
-import net.java.dev.typecast.ot.table.HheaTable;
-import net.java.dev.typecast.ot.table.HmtxTable;
-import net.java.dev.typecast.ot.table.MaxpTable;
-import net.java.dev.typecast.ot.table.NameTable;
-import net.java.dev.typecast.ot.table.Os2Table;
-import net.java.dev.typecast.ot.table.PostTable;
-import net.java.dev.typecast.ot.table.Table;
-import net.java.dev.typecast.ot.table.TableDirectory;
-import net.java.dev.typecast.ot.table.VheaTable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import net.java.dev.typecast.ot.table.*;
 
 /**
  * The TrueType font.
@@ -75,7 +31,6 @@ import org.slf4j.LoggerFactory;
 public class OTFont {
 
     private Os2Table _os2;
-//    private CffTable _cff;
     private CmapTable _cmap;
     private HeadTable _head;
     private HheaTable _hhea;
@@ -84,11 +39,10 @@ public class OTFont {
     private NameTable _name;
     private PostTable _post;
     private VheaTable _vhea;
-
-    static final Logger logger = LoggerFactory.getLogger(OTFont.class);
+    private GsubTable _gsub;
 
     /**
-     * @param dis OpenType/TrueType font file data.
+     * @param fontData OpenType/TrueType font file data.
      * @param directoryOffset The Table Directory offset within the file.  For a
      * regular TTF/OTF file this will be zero, but for a TTC (Font Collection)
      * the offset is retrieved from the TTC header.  For a Mac font resource,
@@ -99,12 +53,15 @@ public class OTFont {
      * individual font resource data.
      * @throws java.io.IOException
      */
-    public OTFont(DataInputStream dis, int tablesOrigin) throws IOException {
+    OTFont(byte[] fontData, int tablesOrigin) throws IOException {
 
         // Load the table directory
-        dis.reset();
 //        dis.skip(directoryOffset);
-        TableDirectory tableDirectory = new TableDirectory(dis);
+        TableDirectory tableDirectory = new TableDirectory(fontData);
+
+        DataInputStream dis = new DataInputStream(new ByteArrayInputStream(fontData));
+        dis.mark(fontData.length);
+        dis.reset();
 
         // Load some prerequisite tables
         // (These are tables that are referenced by other tables, so we need to load
@@ -139,29 +96,12 @@ public class OTFont {
         _name = new NameTable(dis, length);
         seekTable(tableDirectory, dis, tablesOrigin, Table.OS_2);
         _os2 = new Os2Table(dis);
-
-        // If this is a TrueType outline, then we'll have at least the
-        // 'glyf' table (along with the 'loca' table)
-//        _glyf = (GlyfTable) getTable(Table.glyf);
     }
 
-//    public Table getTable(int tableType) {
-//        for (Table _table : _tables) {
-//            if ((_table != null) && (_table.getType() == tableType)) {
-//                return _table;
-//            }
-//        }
-//        return null;
-//    }
-
     public Os2Table getOS2Table() {
         return _os2;
     }
     
-//    public CffTable getCffTable() {
-//        return _cff;
-//    }
-    
     public CmapTable getCmapTable() {
         return _cmap;
     }
@@ -178,10 +118,6 @@ public class OTFont {
         return _hmtx;
     }
     
-//    public LocaTable getLocaTable() {
-//        return _loca;
-//    }
-    
     public MaxpTable getMaxpTable() {
         return _maxp;
     }
@@ -198,6 +134,10 @@ public class OTFont {
         return _vhea;
     }
 
+    public GsubTable getGsubTable() {
+        return _gsub;
+    }
+
     public int getAscent() {
         return _hhea.getAscender();
     }
@@ -227,13 +167,13 @@ public class OTFont {
 //        }
 //    }
 
-    protected int seekTable(
+    int seekTable(
             TableDirectory tableDirectory,
             DataInputStream dis,
             int tablesOrigin,
             int tag) throws IOException {
         dis.reset();
-        DirectoryEntry entry = tableDirectory.getEntryByTag(tag);
+        TableDirectory.Entry entry = tableDirectory.getEntryByTag(tag);
         if (entry == null) {
             return 0;
         }
@@ -241,12 +181,6 @@ public class OTFont {
         return entry.getLength();
     }
 
-//    protected void read(
-//            DataInputStream dis,
-//            int directoryOffset,
-//            int tablesOrigin) throws IOException {
-//    }
-
     public String toString() {
         return _head.toString();
     }
diff --git a/src/main/java/net/java/dev/typecast/ot/OTFontCollection.java b/src/main/java/net/java/dev/typecast/ot/OTFontCollection.java
index e18daac..6f7d7de 100644
--- a/src/main/java/net/java/dev/typecast/ot/OTFontCollection.java
+++ b/src/main/java/net/java/dev/typecast/ot/OTFontCollection.java
@@ -1,7 +1,7 @@
 /*
- * Typecast - The Font Development Environment
+ * Typecast
  *
- * Copyright (c) 2004 David Schweinsberg
+ * Copyright © 2004-2019 David Schweinsberg
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,14 +23,12 @@ import java.io.DataInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.util.ArrayList;
+import java.nio.file.Files;
 import net.java.dev.typecast.ot.mac.ResourceHeader;
 import net.java.dev.typecast.ot.mac.ResourceMap;
 import net.java.dev.typecast.ot.mac.ResourceReference;
 import net.java.dev.typecast.ot.mac.ResourceType;
-import net.java.dev.typecast.ot.table.DirectoryEntry;
 import net.java.dev.typecast.ot.table.TTCHeader;
-import net.java.dev.typecast.ot.table.Table;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -40,34 +38,10 @@ import org.slf4j.LoggerFactory;
  */
 public class OTFontCollection {
 
-    private String _pathName;
-    private String _fileName;
     private TTCHeader _ttcHeader;
     private OTFont[] _fonts;
-    private boolean _resourceFork = false;
 
-    static final Logger logger = LoggerFactory.getLogger(OTFontCollection.class);
-
-    /** Creates new FontCollection */
-    protected OTFontCollection() {
-    }
-
-    /**
-     * @param file The OpenType font file
-     */
-    public static OTFontCollection create(File file) throws IOException {
-        OTFontCollection fc = new OTFontCollection();
-        fc.read(file);
-        return fc;
-    }
-
-    public String getPathName() {
-        return _pathName;
-    }
-
-    public String getFileName() {
-        return _fileName;
-    }
+    private static final Logger logger = LoggerFactory.getLogger(OTFontCollection.class);
 
     public OTFont getFont(int i) {
         return _fonts[i];
@@ -84,22 +58,20 @@ public class OTFontCollection {
     /**
      * @param file The OpenType font file
      */
-    protected void read(File file) throws IOException {
-        _pathName = file.getPath();
-        _fileName = file.getName();
-
+    public OTFontCollection(File file) throws IOException {
         if (!file.exists()) {
             throw new IOException();
         }
 
         // Do we need to modify the path name to deal with font resources
         // in a Mac resource fork?
+        boolean resourceFork = false;
         if (file.length() == 0) {
             file = new File(file, "..namedfork/rsrc");
             if (!file.exists()) {
                 throw new IOException();
             }
-            _resourceFork = true;
+            resourceFork = true;
         }
 
         DataInputStream dis = new DataInputStream(
@@ -107,7 +79,7 @@ public class OTFontCollection {
                 new FileInputStream(file), (int) file.length()));
         dis.mark((int) file.length());
 
-        if (_resourceFork || _pathName.endsWith(".dfont")) {
+        if (resourceFork || file.getPath().endsWith(".dfont")) {
 
             // This is a Macintosh font suitcase resource
             ResourceHeader resourceHeader = new ResourceHeader(dis);
@@ -137,7 +109,8 @@ public class OTFontCollection {
                 ResourceReference resourceReference = resourceType.getReference(i);
                 int offset = resourceHeader.getDataOffset() +
                         resourceReference.getDataOffset() + 4;
-                _fonts[i] = new TTFont(dis, offset /*, offset*/);
+                byte[] fontData = Files.readAllBytes(file.toPath());
+                _fonts[i] = new TTFont(fontData, offset /*, offset*/);
             }
 
         } else if (TTCHeader.isTTC(dis)) {
@@ -147,13 +120,15 @@ public class OTFontCollection {
             _ttcHeader = new TTCHeader(dis);
             _fonts = new OTFont[_ttcHeader.getDirectoryCount()];
             for (int i = 0; i < _ttcHeader.getDirectoryCount(); i++) {
-                _fonts[i] = new TTFont(dis, _ttcHeader.getTableDirectory(i));
+                byte[] fontData = Files.readAllBytes(file.toPath());
+                _fonts[i] = new TTFont(fontData, _ttcHeader.getTableDirectory(i));
             }
         } else {
 
             // This is a standalone font file
             _fonts = new OTFont[1];
-            _fonts[0] = new TTFont(dis, 0);
+            byte[] fontData = Files.readAllBytes(file.toPath());
+            _fonts[0] = new TTFont(fontData, 0);
 
             // TODO T2Fonts
         }
diff --git a/src/main/java/net/java/dev/typecast/ot/TTFont.java b/src/main/java/net/java/dev/typecast/ot/TTFont.java
index 072994f..1829c0b 100644
--- a/src/main/java/net/java/dev/typecast/ot/TTFont.java
+++ b/src/main/java/net/java/dev/typecast/ot/TTFont.java
@@ -1,7 +1,26 @@
+/*
+ * Typecast
+ *
+ * Copyright © 2004-2019 David Schweinsberg
+ *
+ * Licensed 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.
+ */
+
 package net.java.dev.typecast.ot;
 
 import net.java.dev.typecast.ot.table.*;
 
+import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
 
@@ -16,16 +35,19 @@ public class TTFont extends OTFont {
     /**
      * Constructor
      *
-     * @param dis
+     * @param fontData
      * @param tablesOrigin
      */
-    public TTFont(DataInputStream dis, int tablesOrigin) throws IOException {
-        super(dis, tablesOrigin);
+    public TTFont(byte[] fontData, int tablesOrigin) throws IOException {
+        super(fontData, tablesOrigin);
 
         // Load the table directory
-        dis.reset();
 //        dis.skip(directoryOffset);
-        TableDirectory tableDirectory = new TableDirectory(dis);
+        TableDirectory tableDirectory = new TableDirectory(fontData);
+
+        DataInputStream dis = new DataInputStream(new ByteArrayInputStream(fontData));
+        dis.mark(fontData.length);
+        dis.reset();
 
         // 'loca' is required by 'glyf'
         int length = seekTable(tableDirectory, dis, tablesOrigin, Table.loca);
@@ -57,4 +79,24 @@ public class TTFont extends OTFont {
         }
     }
 
+    public GlyfTable getGlyfTable() {
+        return _glyf;
+    }
+
+    public GaspTable getGaspTable() {
+        return _gasp;
+    }
+
+    public KernTable getKernTable() {
+        return _kern;
+    }
+
+    public HdmxTable getHdmxTable() {
+        return _hdmx;
+    }
+
+    public VdmxTable getVdmxTable() {
+        return _vdmx;
+    }
+
 }
diff --git a/src/main/java/net/java/dev/typecast/ot/table/DirectoryEntry.java b/src/main/java/net/java/dev/typecast/ot/table/DirectoryEntry.java
deleted file mode 100644
index 2ab838b..0000000
--- a/src/main/java/net/java/dev/typecast/ot/table/DirectoryEntry.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
-
- ============================================================================
-                   The Apache Software License, Version 1.1
- ============================================================================
-
- Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modifica-
- tion, 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. The end-user documentation included with the redistribution, if any, must
-    include  the following  acknowledgment:  "This product includes  software
-    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
-    Alternately, this  acknowledgment may  appear in the software itself,  if
-    and wherever such third-party acknowledgments normally appear.
-
- 4. The names "Batik" and  "Apache Software Foundation" must  not  be
-    used to  endorse or promote  products derived from  this software without
-    prior written permission. For written permission, please contact
-    [email protected].
-
- 5. Products  derived from this software may not  be called "Apache", nor may
-    "Apache" appear  in their name,  without prior written permission  of the
-    Apache Software Foundation.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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
- APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
- DING, 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.
-
- This software  consists of voluntary contributions made  by many individuals
- on  behalf of the Apache Software  Foundation. For more  information on the
- Apache Software Foundation, please see <http://www.apache.org/>.
-
-*/
-
-package net.java.dev.typecast.ot.table;
-
-import java.io.DataInput;
-import java.io.IOException;
-
-/**
- * @author <a href="mailto:[email protected]">David Schweinsberg</a>
- */
-public class DirectoryEntry implements Cloneable {
-
-    private int _tag;
-    private int _checksum;
-    private int _offset;
-    private int _length;
-
-    protected DirectoryEntry(DataInput di) throws IOException {
-        _tag = di.readInt();
-        _checksum = di.readInt();
-        _offset = di.readInt();
-        _length = di.readInt();
-    }
-    
-    public Object clone() {
-        try {
-            return super.clone();
-        } catch (CloneNotSupportedException e) {
-            return null;
-        }
-    }
-
-    public int getChecksum() {
-        return _checksum;
-    }
-
-    public int getLength() {
-        return _length;
-    }
-
-    public int getOffset() {
-        return _offset;
-    }
-
-    public int getTag() {
-        return _tag;
-    }
-
-    public String getTagAsString() {
-        return new StringBuffer()
-            .append((char)((_tag>>24)&0xff))
-            .append((char)((_tag>>16)&0xff))
-            .append((char)((_tag>>8)&0xff))
-            .append((char)((_tag)&0xff))
-            .toString();
-    }
-    
-    public String toString() {
-        return new StringBuffer()
-            .append("'").append(getTagAsString())
-            .append("' - chksm = 0x").append(Integer.toHexString(_checksum))
-            .append(", off = 0x").append(Integer.toHexString(_offset))
-            .append(", len = ").append(_length)
-            .toString();
-    }
-}
diff --git a/src/main/java/net/java/dev/typecast/ot/table/LtshTable.java b/src/main/java/net/java/dev/typecast/ot/table/LtshTable.java
index 48fd263..abf75fe 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/LtshTable.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/LtshTable.java
@@ -17,14 +17,12 @@ import java.io.IOException;
  */
 public class LtshTable implements Table {
 
-    private DirectoryEntry de;
     private int version;
     private int numGlyphs;
     private int[] yPels;
     
     /** Creates new LtshTable */
-    protected LtshTable(DirectoryEntry de, DataInput di) throws IOException {
-        this.de = (DirectoryEntry) de.clone();
+    protected LtshTable(DataInput di) throws IOException {
         version = di.readUnsignedShort();
         numGlyphs = di.readUnsignedShort();
         yPels = new int[numGlyphs];
@@ -33,14 +31,6 @@ public class LtshTable implements Table {
         }
     }
 
-    /**
-     * Get the table type, as a table directory value.
-     * @return The table type
-     */
-    public int getType() {
-        return LTSH;
-    }
-    
     public String toString() {
         StringBuffer sb = new StringBuffer();
         sb.append("'LTSH' Table - Linear Threshold Table\n-------------------------------------")
@@ -53,15 +43,5 @@ public class LtshTable implements Table {
         }
         return sb.toString();
     }
-    
-    /**
-     * Get a directory entry for this table.  This uniquely identifies the
-     * table in collections where there may be more than one instance of a
-     * particular table.
-     * @return A directory entry
-     */
-    public DirectoryEntry getDirectoryEntry() {
-        return de;
-    }
-    
+
 }
diff --git a/src/main/java/net/java/dev/typecast/ot/table/PcltTable.java b/src/main/java/net/java/dev/typecast/ot/table/PcltTable.java
index dbfd69f..40e077c 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/PcltTable.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/PcltTable.java
@@ -17,7 +17,6 @@ import java.io.IOException;
  */
 public class PcltTable implements Table {
 
-    private DirectoryEntry de;
     private int version;
     private long fontNumber;
     private int pitch;
@@ -35,8 +34,7 @@ public class PcltTable implements Table {
     private byte reserved;
 
     /** Creates new PcltTable */
-    protected PcltTable(DirectoryEntry de, DataInput di) throws IOException {
-        this.de = (DirectoryEntry) de.clone();
+    protected PcltTable(DataInput di) throws IOException {
         version = di.readInt();
         fontNumber = di.readInt();
         pitch = di.readUnsignedShort();
@@ -60,14 +58,6 @@ public class PcltTable implements Table {
         reserved = di.readByte();
     }
 
-    /**
-     * Get the table type, as a table directory value.
-     * @return The table type
-     */
-    public int getType() {
-        return PCLT;
-    }
-    
     public String toString() {
         return new StringBuffer()
             .append("'PCLT' Table - Printer Command Language Table\n---------------------------------------------")
@@ -90,15 +80,5 @@ public class PcltTable implements Table {
             .append("\n        reserved:            ").append(reserved)
             .toString();
     }
-    
-    /**
-     * Get a directory entry for this table.  This uniquely identifies the
-     * table in collections where there may be more than one instance of a
-     * particular table.
-     * @return A directory entry
-     */
-    public DirectoryEntry getDirectoryEntry() {
-        return de;
-    }
-    
+
 }
diff --git a/src/main/java/net/java/dev/typecast/ot/table/PrepTable.java b/src/main/java/net/java/dev/typecast/ot/table/PrepTable.java
index d069616..2a47aed 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/PrepTable.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/PrepTable.java
@@ -17,29 +17,12 @@ import net.java.dev.typecast.ot.Disassembler;
  */
 public class PrepTable extends Program implements Table {
 
-    private DirectoryEntry de;
-
-    public PrepTable(DirectoryEntry de, DataInput di) throws IOException {
-        this.de = (DirectoryEntry) de.clone();
-        readInstructions(di, de.getLength());
-    }
-
-    public int getType() {
-        return prep;
+    public PrepTable(DataInput di, int length) throws IOException {
+        readInstructions(di, length);
     }
 
     public String toString() {
         return Disassembler.disassemble(getInstructions(), 0);
     }
-    
-    /**
-     * Get a directory entry for this table.  This uniquely identifies the
-     * table in collections where there may be more than one instance of a
-     * particular table.
-     * @return A directory entry
-     */
-    public DirectoryEntry getDirectoryEntry() {
-        return de;
-    }
-    
+
 }
diff --git a/src/main/java/net/java/dev/typecast/ot/table/TableDirectory.java b/src/main/java/net/java/dev/typecast/ot/table/TableDirectory.java
index d3ee90c..b361162 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/TableDirectory.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/TableDirectory.java
@@ -50,7 +50,9 @@
 
 package net.java.dev.typecast.ot.table;
 
+import java.io.ByteArrayInputStream;
 import java.io.DataInput;
+import java.io.DataInputStream;
 import java.io.IOException;
 import net.java.dev.typecast.ot.Fixed;
 
@@ -59,30 +61,76 @@ import net.java.dev.typecast.ot.Fixed;
  */
 public class TableDirectory {
 
-    private int _version = 0;
-    private short _numTables = 0;
-    private short _searchRange = 0;
-    private short _entrySelector = 0;
-    private short _rangeShift = 0;
-    private DirectoryEntry[] _entries;
-
-    public TableDirectory(DataInput di) throws IOException {
-        _version = di.readInt();
-        _numTables = di.readShort();
-        _searchRange = di.readShort();
-        _entrySelector = di.readShort();
-        _rangeShift = di.readShort();
-        _entries = new DirectoryEntry[_numTables];
+    public static class Entry {
+
+        private int _tag;
+        private int _checksum;
+        private int _offset;
+        private int _length;
+
+        Entry(DataInput di) throws IOException {
+            _tag = di.readInt();
+            _checksum = di.readInt();
+            _offset = di.readInt();
+            _length = di.readInt();
+        }
+
+        public int getChecksum() {
+            return _checksum;
+        }
+
+        public int getLength() {
+            return _length;
+        }
+
+        public int getOffset() {
+            return _offset;
+        }
+
+        int getTag() {
+            return _tag;
+        }
+
+        String getTagAsString() {
+            return String.valueOf((char) ((_tag >> 24) & 0xff)) +
+                    (char) ((_tag >> 16) & 0xff) +
+                    (char) ((_tag >> 8) & 0xff) +
+                    (char) ((_tag) & 0xff);
+        }
+
+        public String toString() {
+            return "'" + getTagAsString() +
+                    "' - chksm = 0x" + Integer.toHexString(_checksum) +
+                    ", off = 0x" + Integer.toHexString(_offset) +
+                    ", len = " + _length;
+        }
+    }
+
+    private int _version;
+    private short _numTables;
+    private short _searchRange;
+    private short _entrySelector;
+    private short _rangeShift;
+    private Entry[] _entries;
+
+    public TableDirectory(byte[] fontData) throws IOException {
+        DataInputStream dis = new DataInputStream(new ByteArrayInputStream(fontData));
+        _version = dis.readInt();
+        _numTables = dis.readShort();
+        _searchRange = dis.readShort();
+        _entrySelector = dis.readShort();
+        _rangeShift = dis.readShort();
+        _entries = new Entry[_numTables];
         for (int i = 0; i < _numTables; i++) {
-            _entries[i] = new DirectoryEntry(di);
+            _entries[i] = new Entry(dis);
         }
     }
 
-    public DirectoryEntry getEntry(int index) {
+    public Entry getEntry(int index) {
         return _entries[index];
     }
 
-    public DirectoryEntry getEntryByTag(int tag) {
+    public Entry getEntryByTag(int tag) {
         for (int i = 0; i < _numTables; i++) {
             if (_entries[i].getTag() == tag) {
                 return _entries[i];
@@ -112,7 +160,7 @@ public class TableDirectory {
     }
     
     public String toString() {
-        StringBuffer sb = new StringBuffer()
+        StringBuilder sb = new StringBuilder()
             .append("Offset Table\n------ -----")
             .append("\n  sfnt version:     ").append(Fixed.floatValue(_version))
             .append("\n  numTables =       ").append(_numTables)
diff --git a/src/main/java/net/java/dev/typecast/ot/table/VmtxTable.java b/src/main/java/net/java/dev/typecast/ot/table/VmtxTable.java
index 7fd2f8a..0309fe0 100644
--- a/src/main/java/net/java/dev/typecast/ot/table/VmtxTable.java
+++ b/src/main/java/net/java/dev/typecast/ot/table/VmtxTable.java
@@ -27,16 +27,13 @@ import java.io.IOException;
  */
 public class VmtxTable implements Table {
 
-    private DirectoryEntry _de;
     private int[] _vMetrics = null;
     private short[] _topSideBearing = null;
 
     protected VmtxTable(
-            DirectoryEntry de,
             DataInput di,
             VheaTable vhea,
             MaxpTable maxp) throws IOException {
-        _de = (DirectoryEntry) de.clone();
         _vMetrics = new int[vhea.getNumberOfLongVerMetrics()];
         for (int i = 0; i < vhea.getNumberOfLongVerMetrics(); ++i) {
             _vMetrics[i] =
@@ -74,15 +71,11 @@ public class VmtxTable implements Table {
         }
     }
 
-    public int getType() {
-        return vmtx;
-    }
-
     public String toString() {
         StringBuffer sb = new StringBuffer();
         sb.append("'vmtx' Table - Vertical Metrics\n-------------------------------\n");
-        sb.append("Size = ").append(_de.getLength()).append(" bytes, ")
-            .append(_vMetrics.length).append(" entries\n");
+//        sb.append("Size = ").append(_de.getLength()).append(" bytes, ")
+            sb.append(_vMetrics.length).append(" entries\n");
         for (int i = 0; i < _vMetrics.length; i++) {
             sb.append("        ").append(i)
                 .append(". advHeight: ").append(getAdvanceHeight(i))
@@ -97,13 +90,4 @@ public class VmtxTable implements Table {
         return sb.toString();
     }
 
-    /**
-     * Get a directory entry for this table.  This uniquely identifies the
-     * table in collections where there may be more than one instance of a
-     * particular table.
-     * @return A directory entry
-     */
-    public DirectoryEntry getDirectoryEntry() {
-        return _de;
-    }
 }