1 files changed, 0 insertions, 160 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/PngHuffmanTables.java b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/PngHuffmanTables.java
deleted file mode 100755
index 09bd04ef3d..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/PngHuffmanTables.java
+++ /dev/null
@@ -1,160 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.swt.internal.image;
-
-import java.io.*;
-
-public class PngHuffmanTables {
-	PngHuffmanTable literalTable;
-	PngHuffmanTable distanceTable;
-	
-	static PngHuffmanTable FixedLiteralTable;
-	static PngHuffmanTable FixedDistanceTable;
-	
-	static final int LiteralTableSize = 288;
-	static final int[] FixedLiteralLengths = {
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-        9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7,
-        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8,
-	};
-
-	static final int DistanceTableSize = 32;
-	static final int[] FixedDistanceLengths = {
-		5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
-		5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
-	};
-	
-	static final int LengthCodeTableSize = 19;
-	static final int[] LengthCodeOrder = {
-		16, 17, 18, 0, 8, 7, 9, 6, 10, 5,
-		11, 4, 12, 3, 13, 2, 14, 1, 15
-	};
-	
-static PngHuffmanTables getDynamicTables(PngDecodingDataStream stream) throws IOException {
-	return new PngHuffmanTables(stream);
-}
-static PngHuffmanTables getFixedTables() {
-	return new PngHuffmanTables();
-}
-
-private PngHuffmanTable getFixedLiteralTable() {
-	if (FixedLiteralTable == null) {
-		FixedLiteralTable = new PngHuffmanTable(FixedLiteralLengths);
-	}
-	return FixedLiteralTable;
-}
-
-private PngHuffmanTable getFixedDistanceTable() {
-	if (FixedDistanceTable == null) {
-		FixedDistanceTable = new PngHuffmanTable(FixedDistanceLengths);
-	}
-	return FixedDistanceTable;
-}
-
-private PngHuffmanTables () {
-	literalTable = getFixedLiteralTable();
-	distanceTable = getFixedDistanceTable();
-}
-
-private PngHuffmanTables (PngDecodingDataStream stream) throws IOException {
-	int literals = PngLzBlockReader.FIRST_LENGTH_CODE 
-		+ stream.getNextIdatBits(5);
-	int distances = PngLzBlockReader.FIRST_DISTANCE_CODE 
-		+ stream.getNextIdatBits(5);
-	int codeLengthCodes = PngLzBlockReader.FIRST_CODE_LENGTH_CODE 
-		+ stream.getNextIdatBits(4);
-
-	if (codeLengthCodes > PngLzBlockReader.LAST_CODE_LENGTH_CODE) {
-		stream.error();
-	}
-	
-	/* Tricky, tricky, tricky. The length codes are stored in
-	 * a very odd order. (For the order, see the definition of
-	 * the static field lengthCodeOrder.) Also, the data may 
-	 * not contain values for all the codes. It may just contain 
-	 * values for the first X number of codes. The table should
-	 * be of size <LengthCodeTableSize> regardless of the number
-	 * of values actually given in the table.
-	 */	
-	int[] lengthCodes = new int[LengthCodeTableSize];
-	for (int i = 0; i < codeLengthCodes; i++) {
-		lengthCodes[LengthCodeOrder[i]] = stream.getNextIdatBits(3);
-	}
-	PngHuffmanTable codeLengthsTable = new PngHuffmanTable(lengthCodes);
-	
-	int[] literalLengths = readLengths(
-		stream, literals, codeLengthsTable, LiteralTableSize);
-	int[] distanceLengths = readLengths(
-		stream, distances, codeLengthsTable, DistanceTableSize);
-	
-	literalTable = new PngHuffmanTable(literalLengths);
-	distanceTable = new PngHuffmanTable(distanceLengths);
-}
-
-private int [] readLengths (PngDecodingDataStream stream, 
-	int numLengths, 
-	PngHuffmanTable lengthsTable,
-	int tableSize) throws IOException
-{
-	int[] lengths = new int[tableSize];
-	
-	for (int index = 0; index < numLengths;) {
-		int value = lengthsTable.getNextValue(stream);
-		if (value < 16) {
-			// Literal value
-			lengths[index] = value;
-			index++;
-		} else if (value == 16) {
-			// Repeat the previous code 3-6 times.
-			int count = stream.getNextIdatBits(2) + 3;
-			for (int i = 0; i < count; i++) {
-				lengths[index] = lengths [index - 1];
-				index++;
-			}
-		} else if (value == 17) {
-			// Repeat 0 3-10 times.
-			int count = stream.getNextIdatBits(3) + 3;
-			for (int i = 0; i < count; i++) {
-				lengths[index] = 0;
-				index++;
-			}
-		} else if (value == 18) {
-			// Repeat 0 11-138 times.
-			int count = stream.getNextIdatBits(7) + 11;
-			for (int i = 0; i < count; i++) {
-				lengths[index] = 0;
-				index++;
-			}
-		} else {
-			stream.error();
-		}
-	}
-	return lengths;
-}
-
-int getNextLiteralValue(PngDecodingDataStream stream) throws IOException {
-	return literalTable.getNextValue(stream);
-}
-
-int getNextDistanceValue(PngDecodingDataStream stream) throws IOException {
-	return distanceTable.getNextValue(stream);
-}
-
-}