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1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
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2 // All rights reserved.
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3 //
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4 //-------------------------------------------------------------------------
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5 // This file is part of the TightVNC software. Please visit our Web site:
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6 //
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7 // http://www.tightvnc.com/
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8 //
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9 // This program is free software; you can redistribute it and/or modify
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10 // it under the terms of the GNU General Public License as published by
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11 // the Free Software Foundation; either version 2 of the License, or
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12 // (at your option) any later version.
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13 //
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14 // This program is distributed in the hope that it will be useful,
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15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 // GNU General Public License for more details.
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18 //
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19 // You should have received a copy of the GNU General Public License along
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20 // with this program; if not, write to the Free Software Foundation, Inc.,
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21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 //-------------------------------------------------------------------------
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23 //
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24
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25 package com.glavsoft.rfb.encoding;
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26
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27 import java.util.LinkedHashSet;
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28
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29 /**
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30 * Encoding types
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31 */
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32 public enum EncodingType {
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33 /**
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34 * Desktop data representes as raw bytes stream
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35 */
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36 RAW_ENCODING(0, "Raw"),
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37 /**
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38 * Specfies encodings which allow to copy part of image in client's
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39 * framebuffer from one place to another.
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40 */
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41 COPY_RECT(1, "CopyRect"),
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42 RRE(2, "RRE"),
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43 /**
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44 * Hextile encoding, uses palettes, filling and raw subencoding
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45 */
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46 HEXTILE(5, "Hextile"),
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47 /**
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48 * This encoding is like raw but previously all data compressed with zlib.
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49 */
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50 ZLIB(6, "ZLib"),
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51 /**
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52 * Tight Encoding for slow connection. It is uses raw data, palettes, filling
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53 * and jpeg subencodings
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54 */
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55 TIGHT(7, "Tight"),
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56 //ZlibHex(8),
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57 /**
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58 * ZRLE Encoding is like Hextile but previously all data compressed with zlib.
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59 */
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60 ZRLE(16, "ZRLE"),
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61
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62 /**
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63 * Rich Cursor pseudo encoding which allows to transfer cursor shape
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64 * with transparency
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65 */
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66 RICH_CURSOR(0xFFFFFF11, "RichCursor"),
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67 /**
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68 * Desktop Size Pseudo encoding allows to notificate client about
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69 * remote screen resolution changed.
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70 */
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71 DESKTOP_SIZE(0xFFFFFF21, "DesctopSize"),
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72 /**
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73 * Cusros position encoding allows to transfer remote cursor position to
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74 * client side.
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75 */
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76 CURSOR_POS(0xFFFFFF18, "CursorPos"),
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77
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78 COMPRESS_LEVEL_0(0xFFFFFF00 + 0, "CompressionLevel0"),
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79 COMPRESS_LEVEL_1(0xFFFFFF00 + 1, "CompressionLevel1"),
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80 COMPRESS_LEVEL_2(0xFFFFFF00 + 2, "CompressionLevel2"),
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81 COMPRESS_LEVEL_3(0xFFFFFF00 + 3, "CompressionLevel3"),
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82 COMPRESS_LEVEL_4(0xFFFFFF00 + 4, "CompressionLevel4"),
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83 COMPRESS_LEVEL_5(0xFFFFFF00 + 5, "CompressionLevel5"),
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84 COMPRESS_LEVEL_6(0xFFFFFF00 + 6, "CompressionLevel6"),
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85 COMPRESS_LEVEL_7(0xFFFFFF00 + 7, "CompressionLevel7"),
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86 COMPRESS_LEVEL_8(0xFFFFFF00 + 8, "CompressionLevel8"),
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87 COMPRESS_LEVEL_9(0xFFFFFF00 + 9, "CompressionLevel9"),
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88
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89 JPEG_QUALITY_LEVEL_0(0xFFFFFFE0 + 0, "JpegQualityLevel0"),
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90 JPEG_QUALITY_LEVEL_1(0xFFFFFFE0 + 1, "JpegQualityLevel1"),
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91 JPEG_QUALITY_LEVEL_2(0xFFFFFFE0 + 2, "JpegQualityLevel2"),
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92 JPEG_QUALITY_LEVEL_3(0xFFFFFFE0 + 3, "JpegQualityLevel3"),
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93 JPEG_QUALITY_LEVEL_4(0xFFFFFFE0 + 4, "JpegQualityLevel4"),
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94 JPEG_QUALITY_LEVEL_5(0xFFFFFFE0 + 5, "JpegQualityLevel5"),
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95 JPEG_QUALITY_LEVEL_6(0xFFFFFFE0 + 6, "JpegQualityLevel6"),
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96 JPEG_QUALITY_LEVEL_7(0xFFFFFFE0 + 7, "JpegQualityLevel7"),
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97 JPEG_QUALITY_LEVEL_8(0xFFFFFFE0 + 8, "JpegQualityLevel8"),
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98 JPEG_QUALITY_LEVEL_9(0xFFFFFFE0 + 9, "JpegQualityLevel9");
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99
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100 private int id;
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101 private final String name;
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102 private EncodingType(int id, String name) {
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103 this.id = id;
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104 this.name = name;
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105 }
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106
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107 public int getId() {
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108 return id;
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109 }
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110 public String getName() {
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111 return name;
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112 }
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113
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114 public static LinkedHashSet<EncodingType> ordinaryEncodings = new LinkedHashSet<EncodingType>();
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115 static {
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116 ordinaryEncodings.add(TIGHT);
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117 ordinaryEncodings.add(HEXTILE);
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118 ordinaryEncodings.add(ZRLE);
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119 ordinaryEncodings.add(ZLIB);
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120 ordinaryEncodings.add(RRE);
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121 ordinaryEncodings.add(COPY_RECT);
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122 // ordinaryEncodings.add(RAW_ENCODING);
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123 }
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124
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125 public static LinkedHashSet<EncodingType> pseudoEncodings = new LinkedHashSet<EncodingType>();
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126 static {
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127 pseudoEncodings.add(RICH_CURSOR);
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128 pseudoEncodings.add(CURSOR_POS);
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129 pseudoEncodings.add(DESKTOP_SIZE);
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130 }
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131
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132 public static LinkedHashSet<EncodingType> compressionEncodings = new LinkedHashSet<EncodingType>();
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133 static {
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134 compressionEncodings.add(COMPRESS_LEVEL_0);
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135 compressionEncodings.add(JPEG_QUALITY_LEVEL_0);
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136 }
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137
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138 public static EncodingType byId(int id) {
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139 // TODO needs to speedup with hash usage?
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140 for (EncodingType type : values()) {
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141 if (type.getId() == id)
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142 return type;
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143 }
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144 throw new IllegalArgumentException("Unsupported encoding id: " + id);
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145 }
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146
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147 }
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