--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/com/glavsoft/rfb/encoding/EncodingType.java	Thu Sep 11 07:30:03 2014 +0900
@@ -0,0 +1,147 @@
+// Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
+// All rights reserved.
+//
+//-------------------------------------------------------------------------
+// This file is part of the TightVNC software.  Please visit our Web site:
+//
+//                       http://www.tightvnc.com/
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//-------------------------------------------------------------------------
+//
+
+package com.glavsoft.rfb.encoding;
+
+import java.util.LinkedHashSet;
+
+/**
+ * Encoding types
+ */
+public enum EncodingType {
+	/**
+	 * Desktop data representes as raw bytes stream
+	 */
+	RAW_ENCODING(0, "Raw"),
+	/**
+	 * Specfies encodings which allow to copy part of image in client's
+	 * framebuffer from one place to another.
+	 */
+	COPY_RECT(1, "CopyRect"),
+	RRE(2, "RRE"),
+	/**
+	 *  Hextile encoding, uses palettes, filling and raw subencoding
+	 */
+    HEXTILE(5, "Hextile"),
+    /**
+     * This encoding is like raw but previously all data compressed with zlib.
+     */
+    ZLIB(6, "ZLib"),
+	/**
+	 * Tight Encoding for slow connection. It is uses raw data, palettes, filling
+	 * and jpeg subencodings
+	 */
+	TIGHT(7, "Tight"),
+    //ZlibHex(8),
+	/**
+	 * ZRLE Encoding is like Hextile but previously all data compressed with zlib.
+	 */
+    ZRLE(16, "ZRLE"),
+
+    /**
+     * Rich Cursor pseudo encoding which allows to transfer cursor shape
+     * with transparency
+     */
+    RICH_CURSOR(0xFFFFFF11, "RichCursor"),
+    /**
+     * Desktop Size Pseudo encoding allows to notificate client about
+     *  remote screen resolution changed.
+     */
+    DESKTOP_SIZE(0xFFFFFF21, "DesctopSize"),
+    /**
+     * Cusros position encoding allows to transfer remote cursor position to
+     * client side.
+     */
+	CURSOR_POS(0xFFFFFF18, "CursorPos"),
+
+	COMPRESS_LEVEL_0(0xFFFFFF00 + 0, "CompressionLevel0"),
+	COMPRESS_LEVEL_1(0xFFFFFF00 + 1, "CompressionLevel1"),
+	COMPRESS_LEVEL_2(0xFFFFFF00 + 2, "CompressionLevel2"),
+	COMPRESS_LEVEL_3(0xFFFFFF00 + 3, "CompressionLevel3"),
+	COMPRESS_LEVEL_4(0xFFFFFF00 + 4, "CompressionLevel4"),
+	COMPRESS_LEVEL_5(0xFFFFFF00 + 5, "CompressionLevel5"),
+	COMPRESS_LEVEL_6(0xFFFFFF00 + 6, "CompressionLevel6"),
+	COMPRESS_LEVEL_7(0xFFFFFF00 + 7, "CompressionLevel7"),
+	COMPRESS_LEVEL_8(0xFFFFFF00 + 8, "CompressionLevel8"),
+	COMPRESS_LEVEL_9(0xFFFFFF00 + 9, "CompressionLevel9"),
+
+	JPEG_QUALITY_LEVEL_0(0xFFFFFFE0 + 0, "JpegQualityLevel0"),
+	JPEG_QUALITY_LEVEL_1(0xFFFFFFE0 + 1, "JpegQualityLevel1"),
+	JPEG_QUALITY_LEVEL_2(0xFFFFFFE0 + 2, "JpegQualityLevel2"),
+	JPEG_QUALITY_LEVEL_3(0xFFFFFFE0 + 3, "JpegQualityLevel3"),
+	JPEG_QUALITY_LEVEL_4(0xFFFFFFE0 + 4, "JpegQualityLevel4"),
+	JPEG_QUALITY_LEVEL_5(0xFFFFFFE0 + 5, "JpegQualityLevel5"),
+	JPEG_QUALITY_LEVEL_6(0xFFFFFFE0 + 6, "JpegQualityLevel6"),
+	JPEG_QUALITY_LEVEL_7(0xFFFFFFE0 + 7, "JpegQualityLevel7"),
+	JPEG_QUALITY_LEVEL_8(0xFFFFFFE0 + 8, "JpegQualityLevel8"),
+	JPEG_QUALITY_LEVEL_9(0xFFFFFFE0 + 9, "JpegQualityLevel9");
+
+	private int id;
+	private final String name;
+	private EncodingType(int id, String name) {
+		this.id = id;
+		this.name = name;
+	}
+
+	public int getId() {
+		return id;
+	}
+	public String getName() {
+		return name;
+	}
+
+	public static LinkedHashSet<EncodingType> ordinaryEncodings = new LinkedHashSet<EncodingType>();
+	static {
+		ordinaryEncodings.add(TIGHT);
+		ordinaryEncodings.add(HEXTILE);
+		ordinaryEncodings.add(ZRLE);
+		ordinaryEncodings.add(ZLIB);
+		ordinaryEncodings.add(RRE);
+		ordinaryEncodings.add(COPY_RECT);
+//		ordinaryEncodings.add(RAW_ENCODING);
+	}
+
+	public static LinkedHashSet<EncodingType> pseudoEncodings = new LinkedHashSet<EncodingType>();
+	static {
+		pseudoEncodings.add(RICH_CURSOR);
+		pseudoEncodings.add(CURSOR_POS);
+		pseudoEncodings.add(DESKTOP_SIZE);
+	}
+
+	public static LinkedHashSet<EncodingType> compressionEncodings = new LinkedHashSet<EncodingType>();
+	static {
+		compressionEncodings.add(COMPRESS_LEVEL_0);
+		compressionEncodings.add(JPEG_QUALITY_LEVEL_0);
+	}
+
+	public static EncodingType byId(int id) {
+		// TODO needs to speedup with hash usage?
+		for (EncodingType type : values()) {
+			if (type.getId() == id)
+				return type;
+		}
+		throw new IllegalArgumentException("Unsupported encoding id: " + id);
+	}
+
+}