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annotate src/main/java/com/glavsoft/rfb/encoding/decoder/ZRLEDecoder.java @ 565:2a601e25ce10

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debug fix
author riono
date Mon, 03 Feb 2020 17:33:27 +0900
parents 0751cb6c0715
children e93a8058344d
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17b702648079 version2.7.2 original version.
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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.decoder;
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26
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27 import com.glavsoft.drawing.Renderer;
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28 import com.glavsoft.exceptions.TransportException;
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29 import com.glavsoft.rfb.encoding.EncodingType;
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30 import com.glavsoft.transport.Reader;
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31 import jp.ac.u_ryukyu.treevnc.CheckDelay;
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32 import jp.ac.u_ryukyu.treevnc.TreeRFBProto;
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33 import java.io.UnsupportedEncodingException;
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34 import java.nio.ByteBuffer;
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35 import java.util.LinkedList;
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36 import java.util.zip.Deflater;
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37
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38 public class ZRLEDecoder extends ZlibDecoder {
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39 private static final int MAX_TILE_SIZE = 64;
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40 private int[] decodedBitmap;
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41 private int[] palette;
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42
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43 class TileLoop {
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44 private final boolean blocking;
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45 private int deflate_size = 55507;
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46 private ByteBuffer c1;
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47 private int width; // phase2 length
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48 private FramebufferUpdateRectangle c1rect;
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49 private int prevLineOffset;
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50 private int prevC1Offset;
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51 private int prevC1LineOffset;
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52 private int prevoffset;
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53 private Deflater deflater;
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54
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55 /**
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56 * Multicast framebufferUpdate to children.
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57 * read FrameBuffferUpdate. If it is ZLE, make it ZLEE which is self contained compressed packet.
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58 * put the packet to the multicastqueue. Then normal rendering engine read the same stream using is.reset().
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59 * <p>
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60 * Haeder
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61 * messageID ( FrameBuffer Update
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62 * 1 byte padding
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63 * 2 byte numberofrectangle
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64 * 2 - U16 - x-position
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65 * 2 - U16 - y-position
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66 * 2 - U16 - width
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67 * 2 - U16 - height
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68 * 4 - S32 - encoding-type
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69 * 4 byte datalengths
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70 * datalengths databyte
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71 *
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72 * @throws TransportException
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73 * @throws UnsupportedEncodingException
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74 */
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75
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76 public TileLoop(int offset) {
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77 prevoffset = prevLineOffset = offset;
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78 prevC1Offset = 0;
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79 if (offset < deflate_size + spanGap) {
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80 // packet size fit in broadcast send it all at once
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81 blocking = false;
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82 } else
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83 blocking = true;
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84 }
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85
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86 private void zrleeBlocking(TreeRFBProto rfb, ByteBuffer header, FramebufferUpdateRectangle rect, byte bytes[]) {
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87 // dump32(inputs);
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88 deflater = rfb.deflater;
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89 c1rect = new FramebufferUpdateRectangle(rect.x, rect.y, 0, 0);
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90 newMulticastPacket(rfb, rect);
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91 c1.put(header.get(0));
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92 if (!blocking) {
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93 deflater.setInput(bytes, 0, prevoffset);
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94 deflater.deflate(c1);
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95 flushMuticast(rfb);
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96 }
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97 return;
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98 }
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99
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100 private void newMulticastPacket(TreeRFBProto rfb, FramebufferUpdateRectangle rect) {
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101 c1 = rfb.multicastqueue.allocate(deflate_size + 20);
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102 c1.limit(c1.limit() - 20);
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103 if (rfb.addSerialNum)
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104 c1.putLong(rfb.counter++);
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105 if (rfb.checkDelay)
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106 CheckDelay.checkDelay(c1, rect.x, rect.y, rect.width, rect.height, System.currentTimeMillis(), EncodingType.CHECK_DELAY);
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107 c1.put((byte) 0);
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108 c1.put((byte) 0);
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109 c1.putShort((short) 0);
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110 c1.position(c1.position() + 12);
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111 c1.putInt(0); // should be data length
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112 prevC1Offset = c1.position();
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113 prevC1LineOffset = prevC1Offset;
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114 width = 0;
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115 c1rect.width = c1rect.height = 0;
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116 }
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117
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118 int spanGap = 128;
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119 /**
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120 * Series of tiles compose at most three rectangles. SYNC_FLUSH is necessary on
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121 * rectangle boundaries.
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122 * <p>
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123 * +----+
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124 * | | phase 0
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125 * +---------------+
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126 * | | phase 1
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127 * +----+----------+
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128 * | | phase 2
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129 * +----+
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130 * <p>
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131 * Broadcast packet have to less than 64kbytes
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132 * A tile 64x64x3 11288byte, a packet can contain 5 raw tiles, when these are
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133 * compressed 10 to 100 tiles can be stored. It is impossible to predict the
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134 * compression rate. To check the compressed capacity, Deflate.needsInputs() can
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135 * be used. If needsInputs() is false on SYNC_FLUSH, smaller input is necessary.
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136 * <p>
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137 * We'll try 512 tiles before SYNC_FLUSH in a phase, if it fails try flush former 256 tiles.
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138 * If it will failed again, flush the previous line and do flush 512 tiles in new Packet.
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139 * If it failed again try former 256 tiles flushed, if this failes again dicard the former half.
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140 * The last case cannot happen but former 256 tiles have to be flushed, because the next 256 lines
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141 * may failed again and restart the from this point.
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142 * The next packet start with later 256 tiles filled and unflushed.
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143 *
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144 * @param rfb
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145 * @param last
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146 * @param rect
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147 * @param bytes
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148 * @param offset
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149 * @param tileW
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150 * @param tileH
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151 */
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152
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153 int MAX_ZTILE = 512;
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154
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155 public void multicastPut(TreeRFBProto rfb, boolean last, FramebufferUpdateRectangle rect, byte[] bytes, int offset, int tileW, int tileH) {
564
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diff changeset
156 boolean flush = false;
535
17a2d0ea5c03 fix on ZRLEDecoder
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157 if (!blocking) return;
528
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diff changeset
158 int span = offset - prevoffset;
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diff changeset
159 deflater.setInput(bytes, prevoffset, span);
564
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diff changeset
160 int output = deflater.deflate(c1, Deflater.NO_FLUSH);
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diff changeset
161 if (output==0 && ! deflater.needsInput() ) {
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diff changeset
162 // compression failed
565
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diff changeset
163 deflater.setInput(bytes, prevoffset, 0);
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diff changeset
164 output = deflater.deflate(c1, Deflater.FULL_FLUSH);
564
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diff changeset
165 flushRectangle(rect);
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parents: 563
diff changeset
166 flushMuticast(rfb);
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parents: 563
diff changeset
167 if (!last) {
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168 newMulticastPacket(rfb, rect);
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169 deflater.deflate(c1, Deflater.NO_FLUSH);
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170 } else {
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diff changeset
171 deflater.deflate(c1, Deflater.NO_FLUSH);
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diff changeset
172 deflater.finish();
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173 flushMuticast(rfb);
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diff changeset
174 }
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175 return ;
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176 }
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177 deflater.deflate(c1);
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178 prevoffset = offset;
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179 width += tileW;
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180 if (c1rect.x > rect.x) { // phase 0
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181 if (c1rect.x + c1rect.width < rect.x + rect.width) {
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182 } else { // end of phase 0
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183 c1rect.width = rect.x + rect.width - c1rect.x;
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184 prevC1LineOffset = c1.position();
528
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185 }
538
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186 } else { // phase 1
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187 if (width >= rect.width) { // next line
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188 c1rect.width = rect.width;
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189 width = 0;
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190 prevLineOffset = offset;
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191 prevC1LineOffset = c1.position();
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192 }
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193 }
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194 }
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195
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196
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197 /**
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198 * fix rectangle header
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199 * create next rectangle header
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200 * update position paramater
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201 * send muticast pacate if nessesally
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202 */
532
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diff changeset
203 private void flushRectangle(FramebufferUpdateRectangle rect) {
550
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204 c1.putShort(prevC1Offset - 16, (short) c1rect.x);
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diff changeset
205 c1.putShort(prevC1Offset - 14, (short) c1rect.y);
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diff changeset
206 c1.putShort(prevC1Offset - 12, (short) c1rect.width);
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parents: 545
diff changeset
207 c1.putShort(prevC1Offset - 10, (short) c1rect.height);
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diff changeset
208 c1.putInt(prevC1Offset - 8, EncodingType.ZRLEE.getId());
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diff changeset
209 c1.putInt(prevC1Offset - 4, c1.position() - prevC1Offset - 12); // data length
539
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210 c1.putShort(2, (short) (c1.getShort(2) + 1)); // increment rectangle count
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diff changeset
211 prevC1Offset = c1.position();
541
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diff changeset
212 nextPhase(rect);
534
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213 }
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diff changeset
214
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diff changeset
215 private void nextPhase(FramebufferUpdateRectangle rect) {
539
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diff changeset
216 if (c1rect.x + c1rect.width < rect.x + rect.width) {
532
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parents: 531
diff changeset
217 c1rect.x = c1rect.width; // next rectangle is phase 1
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diff changeset
218 } else {
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diff changeset
219 c1rect.x = rect.x;
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220 c1rect.y += c1rect.height;
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221 }
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diff changeset
222 width = 0;
528
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223 }
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224
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diff changeset
225 private void flushMuticast(TreeRFBProto rfb) {
528
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226 c1.flip();
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diff changeset
227 //System.out.println("multicastPut: " + c1rect + " length: " + (c1.remaining()-c1headerPos-header.limit()));
563
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diff changeset
228 deflater.reset();
529
9de5137e1598 refactoring flushRectangle
anatofuz
parents: 528
diff changeset
229
563
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
230 LinkedList<ByteBuffer> bufs = new LinkedList<ByteBuffer>();
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
231 bufs.add(c1);
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
232 rfb.getContext().checkFrameBufferRectanble(c1);
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
233 if (rfb.isTreeManager() && rfb.connectionPresenter.isUseMulticast()) {
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
234 for (ByteBuffer buf : bufs)
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
235 rfb.getViewer().getRfbBroadcastListener().multicastUpdateRectangle(buf);
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
236 } else {
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
237 rfb.multicastqueue.put(bufs);
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 560
diff changeset
238 }
528
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anatofuz
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239 }
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240 }
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241
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diff changeset
242 @Override
0
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243 public void decode(Reader reader, Renderer renderer,
539
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diff changeset
244 FramebufferUpdateRectangle rect) throws TransportException {
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245 int zippedLength = (int) reader.readUInt32();
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246 if (0 == zippedLength) return;
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diff changeset
247 int length = rect.width * rect.height * renderer.getBytesPerPixel();
3
e7ce2b2ffed8 add and modify files
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diff changeset
248 byte[] bytes = unzip(reader, zippedLength, length, rect.getEncodingType());
526
fcd833c2e148 Multicast Bloking in ZRLEDecoder
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diff changeset
249 decode1(renderer, null, rect, bytes, zippedLength, null);
539
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diff changeset
250 }
533
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diff changeset
251
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252
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diff changeset
253 public void multicastDecode(Reader reader, Renderer renderer,
539
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diff changeset
254 FramebufferUpdateRectangle rect, TreeRFBProto rfb) throws TransportException {
cb7c23cca231 fix ZRLEDecoder
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diff changeset
255 ByteBuffer header = ByteBuffer.allocate(16);
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diff changeset
256 reader.read(header.array());
533
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diff changeset
257 int zippedLength = (int) reader.readUInt32();
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diff changeset
258 if (0 == zippedLength) return;
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diff changeset
259 int length = rect.width * rect.height * renderer.getBytesPerPixel();
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diff changeset
260 byte[] bytes = unzip(reader, zippedLength, length, rect.getEncodingType());
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diff changeset
261 decode1(renderer, header, rect, bytes, zippedLength, rfb);
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diff changeset
262 }
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diff changeset
263
526
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diff changeset
264 public void decode1(Renderer renderer, ByteBuffer header, FramebufferUpdateRectangle rect, byte[] bytes, int zippedLength, TreeRFBProto rfbProto) throws TransportException {
0
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parents:
diff changeset
265 int offset = zippedLength;
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diff changeset
266 int maxX = rect.x + rect.width;
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diff changeset
267 int maxY = rect.y + rect.height;
528
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diff changeset
268
533
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diff changeset
269 TileLoop tileloop = new TileLoop(zippedLength);
550
9c0cbe119155 fix make rectangle packet in client
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diff changeset
270 //System.out.println("decode1: "+rect.toString());
539
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diff changeset
271 if (null == palette) {
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diff changeset
272 palette = new int[128];
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273 }
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diff changeset
274 if (null == decodedBitmap) {
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diff changeset
275 decodedBitmap = new int[MAX_TILE_SIZE * MAX_TILE_SIZE];
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276 }
526
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diff changeset
277
539
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diff changeset
278 if (rfbProto.multicastBlocking) {
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diff changeset
279 tileloop.zrleeBlocking(rfbProto, header, rect, bytes);
526
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diff changeset
280 }
539
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diff changeset
281 try {
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282 for (int tileY = rect.y; tileY < maxY; tileY += MAX_TILE_SIZE) {
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diff changeset
283 int tileHeight = Math.min(maxY - tileY, MAX_TILE_SIZE);
541
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diff changeset
284 tileloop.c1rect.height += tileHeight;
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285
539
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286 for (int tileX = rect.x; tileX < maxX; tileX += MAX_TILE_SIZE) {
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diff changeset
287 int tileWidth = Math.min(maxX - tileX, MAX_TILE_SIZE);
564
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parents: 563
diff changeset
288 if (tileloop.c1rect.x + tileloop.c1rect.width < rect.x + rect.width)
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diff changeset
289 tileloop.c1rect.width += tileWidth;
539
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diff changeset
290 int subencoding = bytes[offset++] & 0x0ff;
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diff changeset
291 if (subencoding != 0)
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292 System.out.println("----------------" + subencoding);
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diff changeset
293 // 128 -plain RLE, 130-255 - Palette RLE
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diff changeset
294 boolean isRle = (subencoding & 128) != 0;
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diff changeset
295 // 2 to 16 for raw packed palette data, 130 to 255 for Palette RLE (subencoding - 128)
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diff changeset
296 int paletteSize = subencoding & 127;
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diff changeset
297 offset += readPalette(bytes, offset, renderer, paletteSize);
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diff changeset
298 if (1 == subencoding) { // A solid tile consisting of a single colour
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diff changeset
299 renderer.fillRect(palette[0], tileX, tileY, tileWidth, tileHeight);
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diff changeset
300 } else if (isRle) {
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diff changeset
301 if (0 == paletteSize) { // subencoding == 128 (or paletteSize == 0) - Plain RLE
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diff changeset
302 offset += decodePlainRle(bytes, offset, renderer, tileX, tileY, tileWidth, tileHeight);
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diff changeset
303 } else {
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diff changeset
304 offset += decodePaletteRle(bytes, offset, renderer, tileX, tileY, tileWidth, tileHeight);
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parents: 538
diff changeset
305 }
0
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parents:
diff changeset
306 } else {
539
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parents: 538
diff changeset
307 if (0 == paletteSize) { // subencoding == 0 (or paletteSize == 0) - raw CPIXEL data
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diff changeset
308 offset += decodeRaw(bytes, offset, renderer, tileX, tileY, tileWidth, tileHeight);
63
84f1c39ba3bf temp commit
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parents: 59
diff changeset
309 // System.out.println("offset:"+offset);
539
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diff changeset
310 } else {
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parents: 538
diff changeset
311 offset += decodePacked(bytes, offset, renderer, paletteSize, tileX, tileY, tileWidth, tileHeight);
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
312 }
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 }
539
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
314 if (rfbProto != null && rfbProto.multicastBlocking)
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
315 tileloop.multicastPut(rfbProto, false, rect, bytes, offset, tileWidth, tileHeight);
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
317 }
539
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
318 if (rfbProto != null && rfbProto.multicastBlocking)
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
319 tileloop.multicastPut(rfbProto, true, rect, bytes, offset, 0, 0);
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
320 } catch (Exception e) {
560
bdd659ce8e64 fix null renderer
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 552
diff changeset
321 e.printStackTrace();
539
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
322 if (rfbProto != null && rfbProto.multicastBlocking)
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
323 tileloop.multicastPut(rfbProto, true, rect, bytes, offset, 0, 0);
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
324 throw e;
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
326 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
327
539
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
328
cb7c23cca231 fix ZRLEDecoder
riono
parents: 538
diff changeset
329
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 private int decodePlainRle(byte[] bytes, int offset, Renderer renderer,
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
331 int tileX, int tileY, int tileWidth, int tileHeight) {
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
332 int bytesPerCPixel = renderer.getBytesPerCPixel();
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
333 int decodedOffset = 0;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
334 int decodedEnd = tileWidth * tileHeight;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 int index = offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 while (decodedOffset < decodedEnd) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
337 int color = renderer.getCompactPixelColor(bytes, index);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 index += bytesPerCPixel;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 int rlength = 1;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 do {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 rlength += bytes[index] & 0x0ff;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 } while ((bytes[index++] & 0x0ff) == 255);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 assert rlength <= decodedEnd - decodedOffset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
344 renderer.fillColorBitmapWithColor(decodedBitmap, decodedOffset, rlength, color);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 decodedOffset += rlength;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 renderer.drawColoredBitmap(decodedBitmap, tileX, tileY, tileWidth, tileHeight);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
348 return index - offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
350
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 private int decodePaletteRle(byte[] bytes, int offset, Renderer renderer,
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
352 int tileX, int tileY, int tileWidth, int tileHeight) {
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
353 int decodedOffset = 0;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 int decodedEnd = tileWidth * tileHeight;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
355 int index = offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
356 while (decodedOffset < decodedEnd) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
357 int colorIndex = bytes[index++];
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
358 int color = palette[colorIndex & 127];
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 int rlength = 1;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 if ((colorIndex & 128) != 0) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 do {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
362 rlength += bytes[index] & 0x0ff;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
363 } while (bytes[index++] == (byte) 255);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 assert rlength <= decodedEnd - decodedOffset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 renderer.fillColorBitmapWithColor(decodedBitmap, decodedOffset, rlength, color);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 decodedOffset += rlength;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
368 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
369 renderer.drawColoredBitmap(decodedBitmap, tileX, tileY, tileWidth, tileHeight);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 return index - offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
371 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
372
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
373 private int decodePacked(byte[] bytes, int offset, Renderer renderer,
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
374 int paletteSize, int tileX, int tileY, int tileWidth, int tileHeight) {
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 int bitsPerPalletedPixel = paletteSize > 16 ? 8 : paletteSize > 4 ? 4
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
376 : paletteSize > 2 ? 2 : 1;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
377 int packedOffset = offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
378 int decodedOffset = 0;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
379 for (int i = 0; i < tileHeight; ++i) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 int decodedRowEnd = decodedOffset + tileWidth;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 int byteProcessed = 0;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
382 int bitsRemain = 0;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
383
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
384 while (decodedOffset < decodedRowEnd) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
385 if (bitsRemain == 0) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
386 byteProcessed = bytes[packedOffset++];
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 bitsRemain = 8;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
389 bitsRemain -= bitsPerPalletedPixel;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 int index = byteProcessed >> bitsRemain & (1 << bitsPerPalletedPixel) - 1 & 127;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 int color = palette[index];
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
392 renderer.fillColorBitmapWithColor(decodedBitmap, decodedOffset, 1, color);
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 ++decodedOffset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
395 }
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
396 renderer.drawColoredBitmap(decodedBitmap, tileX, tileY, tileWidth, tileHeight);
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 return packedOffset - offset;
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
399
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 private int decodeRaw(byte[] bytes, int offset, Renderer renderer,
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 int tileX, int tileY, int tileWidth, int tileHeight) throws TransportException {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 return renderer.drawCompactBytes(bytes, offset, tileX, tileY, tileWidth, tileHeight);
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
404
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
405 private int readPalette(byte[] bytes, int offset, Renderer renderer, int paletteSize) {
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
406 final int bytesPerCPixel = renderer.getBytesPerCPixel();
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 for (int i=0; i<paletteSize; ++i) {
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
408 palette[i] = renderer.getCompactPixelColor(bytes, offset + i* bytesPerCPixel);
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 }
57
17b702648079 version2.7.2 original version.
Taninari YU <you@cr.ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
410 return paletteSize * bytesPerCPixel;
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
412
526
fcd833c2e148 Multicast Bloking in ZRLEDecoder
riono210
parents: 515
diff changeset
413
fcd833c2e148 Multicast Bloking in ZRLEDecoder
riono210
parents: 515
diff changeset
414
0
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
415 }