Mercurial > hg > Applications > TreeVNC

annotate src/main/java/com/glavsoft/rfb/encoding/PixelFormat.java @ 166:26bc52699cf3

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send initData to lower node.
author oc
date Thu, 19 Jun 2014 17:19:59 +0900
parents 17b702648079
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
57
17b702648079 version2.7.2 original version.
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1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
0
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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 com.glavsoft.exceptions.TransportException;
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28 import com.glavsoft.transport.Reader;
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29 import com.glavsoft.transport.Writer;
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30
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31 /**
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32 * Pixel Format:
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33 * 1 - U8 - bits-per-pixel
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34 * 1 - U8 - depth
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35 * 1 - U8 - big-endian-flag
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36 * 1 - U8 - true-color-flag
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37 * 2 - U16 - red-max
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38 * 2 - U16 - green-max
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39 * 2 - U16 - blue-max
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40 * 1 - U8 - red-shift
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41 * 1 - U8 - green-shift
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42 * 1 - U8 - blue-shift
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43 * 3 - - padding
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44 */
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45 public class PixelFormat {
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46 public byte bitsPerPixel;
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47 public byte depth;
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48 public byte bigEndianFlag;
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49 public byte trueColourFlag;
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50 public short redMax;
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51 public short greenMax;
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52 public short blueMax;
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53 public byte redShift;
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54 public byte greenShift;
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55 public byte blueShift;
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56
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57 public void fill(Reader reader) throws TransportException {
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58 bitsPerPixel = reader.readByte();
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59 depth = reader.readByte();
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60 bigEndianFlag = reader.readByte();
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61 trueColourFlag = reader.readByte();
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62 redMax = reader.readInt16();
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63 greenMax = reader.readInt16();
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64 blueMax = reader.readInt16();
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65 redShift = reader.readByte();
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66 greenShift = reader.readByte();
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67 blueShift = reader.readByte();
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68 reader.readBytes(3); // skip padding bytes
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69 }
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70
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71 public void send(Writer writer) throws TransportException {
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72 writer.write(bitsPerPixel);
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73 writer.write(depth);
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74 writer.write(bigEndianFlag);
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75 writer.write(trueColourFlag);
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76 writer.write(redMax);
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77 writer.write(greenMax);
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78 writer.write(blueMax);
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79 writer.write(redShift);
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80 writer.write(greenShift);
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81 writer.write(blueShift);
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82 writer.writeInt16(0); // padding bytes
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83 writer.writeByte(0); // padding bytes
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84 }
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85
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86 public static PixelFormat create24bitColorDepthPixelFormat(int bigEndianFlag) {
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87 final PixelFormat pixelFormat = new PixelFormat();
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88 pixelFormat.bigEndianFlag = (byte) bigEndianFlag;
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89 pixelFormat.bitsPerPixel = 32;
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90 pixelFormat.blueMax = 255;
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91 pixelFormat.blueShift = 0;
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92 pixelFormat.greenMax = 255;
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93 pixelFormat.greenShift = 8;
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94 pixelFormat.redMax = 255;
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95 pixelFormat.redShift = 16;
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96 pixelFormat.depth = 24;
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97 pixelFormat.trueColourFlag = 1;
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98 return pixelFormat;
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99 }
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100
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101 /**
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102 * specifies 65536 colors, 5bit per Red, 6bit per Green, 5bit per Blue
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103 */
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104 public static PixelFormat create16bitColorDepthPixelFormat(int bigEndianFlag) {
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105 final PixelFormat pixelFormat = new PixelFormat();
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106 pixelFormat.bigEndianFlag = (byte) bigEndianFlag;
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107 pixelFormat.bitsPerPixel = 16;
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108 pixelFormat.blueMax = 31;
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109 pixelFormat.blueShift = 0;
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110 pixelFormat.greenMax = 63;
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111 pixelFormat.greenShift = 5;
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112 pixelFormat.redMax = 31;
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113 pixelFormat.redShift = 11;
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114 pixelFormat.depth = 16;
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115 pixelFormat.trueColourFlag = 1;
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116 return pixelFormat;
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117 }
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118
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119 /**
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120 * specifies 256 colors, 2bit per Blue, 3bit per Green & Red
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121 */
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122 public static PixelFormat create8bitColorDepthBGRPixelFormat(int bigEndianFlag) {
0
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123 final PixelFormat pixelFormat = new PixelFormat();
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124 pixelFormat.bigEndianFlag = (byte) bigEndianFlag;
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125 pixelFormat.bitsPerPixel = 8;
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126 pixelFormat.redMax = 7;
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127 pixelFormat.redShift = 0;
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128 pixelFormat.greenMax = 7;
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129 pixelFormat.greenShift = 3;
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130 pixelFormat.blueMax = 3;
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131 pixelFormat.blueShift = 6;
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132 pixelFormat.depth = 8;
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133 pixelFormat.trueColourFlag = 1;
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134 return pixelFormat;
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135 }
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136
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137 /**
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138 * specifies 64 colors, 2bit per Red, Green & Blue
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139 */
57
17b702648079 version2.7.2 original version.
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140 public static PixelFormat create6bitColorDepthPixelFormat(int bigEndianFlag) {
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141 final PixelFormat pixelFormat = new PixelFormat();
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142 pixelFormat.bigEndianFlag = (byte) bigEndianFlag;
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143 pixelFormat.bitsPerPixel = 8;
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144 pixelFormat.blueMax = 3;
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145 pixelFormat.blueShift = 0;
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146 pixelFormat.greenMax = 3;
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147 pixelFormat.greenShift = 2;
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148 pixelFormat.redMax = 3;
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149 pixelFormat.redShift = 4;
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150 pixelFormat.depth = 6;
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151 pixelFormat.trueColourFlag = 1;
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152 return pixelFormat;
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153 }
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154
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155 /**
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156 * specifies 8 colors, 1bit per Red, Green & Blue
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157 */
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158 public static PixelFormat create3bppPixelFormat(int bigEndianFlag) {
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159 final PixelFormat pixelFormat = new PixelFormat();
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160 pixelFormat.bigEndianFlag = (byte) bigEndianFlag;
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161 pixelFormat.bitsPerPixel = 8;
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162 pixelFormat.blueMax = 1;
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163 pixelFormat.blueShift = 0;
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164 pixelFormat.greenMax = 1;
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165 pixelFormat.greenShift = 1;
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166 pixelFormat.redMax = 1;
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167 pixelFormat.redShift = 2;
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168 pixelFormat.depth = 3;
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169 pixelFormat.trueColourFlag = 1;
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170 return pixelFormat;
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171 }
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172
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173 @Override
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174 public String toString() {
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175 return "PixelFormat: [bits-per-pixel: " + String.valueOf(0xff & bitsPerPixel) +
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176 ", depth: " + String.valueOf(0xff & depth) +
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177 ", big-endian-flag: " + String.valueOf(0xff & bigEndianFlag) +
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178 ", true-color-flag: " + String.valueOf(0xff & trueColourFlag) +
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179 ", red-max: " + String.valueOf(0xffff & redMax) +
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180 ", green-max: " + String.valueOf(0xffff & greenMax) +
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181 ", blue-max: " + String.valueOf(0xffff & blueMax) +
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182 ", red-shift: " + String.valueOf(0xff & redShift) +
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183 ", green-shift: " + String.valueOf(0xff & greenShift) +
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184 ", blue-shift: " + String.valueOf(0xff & blueShift) +
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185 "]";
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186 }
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187 }