Removing itext from source.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@302 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 0 insertions, 231 deletions

diff --git a/src/main/java/com/lowagie/text/pdf/LZWDecoder.java b/src/main/java/com/lowagie/text/pdf/LZWDecoder.java
deleted file mode 100644
index b8bedcf..0000000
--- a/src/main/java/com/lowagie/text/pdf/LZWDecoder.java
+++ /dev/null
@@ -1,231 +0,0 @@
-/*

- * Copyright (c) 2001 Sun Microsystems, Inc. All Rights Reserved.

- *

- * Redistribution and use in source and binary forms, with or without

- * modification, are permitted provided that the following conditions are met:

- *

- * -Redistributions of source code must retain the above copyright notice, this

- * list of conditions and the following disclaimer.

- *

- * -Redistribution in binary form must reproduct the above copyright notice,

- * this list of conditions and the following disclaimer in the documentation

- * and/or other materials provided with the distribution.

- *

- * Neither the name of Sun Microsystems, Inc. or the names of contributors may

- * be used to endorse or promote products derived from this software without

- * specific prior written permission.

- *

- * This software is provided "AS IS," without a warranty of any kind. ALL

- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY

- * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR

- * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE

- * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING

- * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS

- * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,

- * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER

- * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF

- * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE

- * POSSIBILITY OF SUCH DAMAGES.

- *

- * You acknowledge that Software is not designed,licensed or intended for use in

- * the design, construction, operation or maintenance of any nuclear facility.

- *

- * Adapted from the JAI codecs TIFFLZWDecoder.

- */

-package com.lowagie.text.pdf;

-import java.io.OutputStream;

-import java.io.IOException;

-import com.lowagie.text.ExceptionConverter;

-/**

- * A class for performing LZW decoding.

- *

- *

- */

-public class LZWDecoder {

-    

-    byte stringTable[][];

-    byte data[] = null;

-    OutputStream uncompData;

-    int tableIndex, bitsToGet = 9;

-    int bytePointer, bitPointer;

-    int nextData = 0;

-    int nextBits = 0;

-    

-    int andTable[] = {

-        511,

-        1023,

-        2047,

-        4095

-    };

-    

-    public LZWDecoder() {

-    }

-    

-    /**

-     * Method to decode LZW compressed data.

-     *

-     * @param data            The compressed data.

-     * @param uncompData      Array to return the uncompressed data in.

-     */

-    public void decode(byte data[], OutputStream uncompData) {

-        

-        if(data[0] == (byte)0x00 && data[1] == (byte)0x01) {

-            throw new RuntimeException("LZW flavour not supported.");

-        }

-        

-        initializeStringTable();

-        

-        this.data = data;

-        this.uncompData = uncompData;

-        

-        // Initialize pointers

-        bytePointer = 0;

-        bitPointer = 0;

-        

-        nextData = 0;

-        nextBits = 0;

-        

-        int code, oldCode = 0;

-        byte string[];

-        

-        while ((code = getNextCode()) != 257) {

-            

-            if (code == 256) {

-                

-                initializeStringTable();

-                code = getNextCode();

-                

-                if (code == 257) {

-                    break;

-                }

-                

-                writeString(stringTable[code]);

-                oldCode = code;

-                

-            } else {

-                

-                if (code < tableIndex) {

-                    

-                    string = stringTable[code];

-                    

-                    writeString(string);

-                    addStringToTable(stringTable[oldCode], string[0]);

-                    oldCode = code;

-                    

-                } else {

-                    

-                    string = stringTable[oldCode];

-                    string = composeString(string, string[0]);

-                    writeString(string);

-                    addStringToTable(string);

-                    oldCode = code;

-                }

-            }

-        }

-    }

-    

-    

-    /**

-     * Initialize the string table.

-     */

-    public void initializeStringTable() {

-        

-        stringTable = new byte[8192][];

-        

-        for (int i=0; i<256; i++) {

-            stringTable[i] = new byte[1];

-            stringTable[i][0] = (byte)i;

-        }

-        

-        tableIndex = 258;

-        bitsToGet = 9;

-    }

-    

-    /**

-     * Write out the string just uncompressed.

-     */

-    public void writeString(byte string[]) {

-        try {

-            uncompData.write(string);

-        }

-        catch (IOException e) {

-            throw new ExceptionConverter(e);

-        }

-    }

-    

-    /**

-     * Add a new string to the string table.

-     */

-    public void addStringToTable(byte oldString[], byte newString) {

-        int length = oldString.length;

-        byte string[] = new byte[length + 1];

-        System.arraycopy(oldString, 0, string, 0, length);

-        string[length] = newString;

-        

-        // Add this new String to the table

-        stringTable[tableIndex++] = string;

-        

-        if (tableIndex == 511) {

-            bitsToGet = 10;

-        } else if (tableIndex == 1023) {

-            bitsToGet = 11;

-        } else if (tableIndex == 2047) {

-            bitsToGet = 12;

-        }

-    }

-    

-    /**

-     * Add a new string to the string table.

-     */

-    public void addStringToTable(byte string[]) {

-        

-        // Add this new String to the table

-        stringTable[tableIndex++] = string;

-        

-        if (tableIndex == 511) {

-            bitsToGet = 10;

-        } else if (tableIndex == 1023) {

-            bitsToGet = 11;

-        } else if (tableIndex == 2047) {

-            bitsToGet = 12;

-        }

-    }

-    

-    /**

-     * Append <code>newString</code> to the end of <code>oldString</code>.

-     */

-    public byte[] composeString(byte oldString[], byte newString) {

-        int length = oldString.length;

-        byte string[] = new byte[length + 1];

-        System.arraycopy(oldString, 0, string, 0, length);

-        string[length] = newString;

-        

-        return string;

-    }

-    

-    // Returns the next 9, 10, 11 or 12 bits

-    public int getNextCode() {

-        // Attempt to get the next code. The exception is caught to make

-        // this robust to cases wherein the EndOfInformation code has been

-        // omitted from a strip. Examples of such cases have been observed

-        // in practice.

-        try {

-            nextData = (nextData << 8) | (data[bytePointer++] & 0xff);

-            nextBits += 8;

-            

-            if (nextBits < bitsToGet) {

-                nextData = (nextData << 8) | (data[bytePointer++] & 0xff);

-                nextBits += 8;

-            }

-            

-            int code =

-            (nextData >> (nextBits - bitsToGet)) & andTable[bitsToGet-9];

-            nextBits -= bitsToGet;

-            

-            return code;

-        } catch(ArrayIndexOutOfBoundsException e) {

-            // Strip not terminated as expected: return EndOfInformation code.

-            return 257;

-        }

-    }

-}