Mercurial > hg > Applications > TreeVNC

annotate src/main/java/com/glavsoft/rfb/encoding/decoder/ZRLEESender.java @ 500:6609174beafe

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fix subencoding
author oshiro
date Sun, 17 Feb 2019 17:55:25 +0900
parents 8d95d64c33bf
children 1646be890954
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73b13bc335c2 add ZRLEESender.java, NullRenderer.java and NullRepaintController.java
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1 package com.glavsoft.rfb.encoding.decoder;
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3 import java.io.UnsupportedEncodingException;
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4
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5 import jp.ac.u_ryukyu.treevnc.TreeRFBProto;
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7 import com.glavsoft.drawing.Renderer;
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8 import com.glavsoft.exceptions.TransportException;
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9 import com.glavsoft.rfb.encoding.EncodingType;
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10 import com.glavsoft.transport.Reader;
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12 public class ZRLEESender extends Decoder {
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14 private TreeRFBProto rfb;
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16 public ZRLEESender(TreeRFBProto rfb) {
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17 this.rfb = rfb;
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18 }
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20 public ZRLEESender() {
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21 }
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23 @Override
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24 public void decode(Reader reader, Renderer renderer,
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25 FramebufferUpdateRectangle rect) throws TransportException, UnsupportedEncodingException {
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26 // TreeVNC handling
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27 int dataLen = getZrleLength(rect, reader);
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28 reader.reset();
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29 if (rfb.hasViewer()) {
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30 ZRLEDecoder decoder = new ZRLEDecoder();
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31 if (rect.getEncodingType() == EncodingType.ZRLE) {
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32 // ReadSendData convert ZRLE to ZRLEE
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33 // unzipped data in the bytes
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34 byte[] bytes = new byte[rect.width * rect.height * renderer.getBytesPerPixel()];
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35 rfb.readSendData(dataLen, reader, bytes, rect);
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36 decoder.decode1(renderer, rect, bytes, 0, rfb);
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37 return;
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38 } else {
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39 // no reencoding is required
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40 // readSend does not peform unzip, do the fullrecoding
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41 rfb.readSendData(dataLen, reader, null, rect);
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42 reader.reset();
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43 if (rect.getEncodingType() == EncodingType.CHECK_DELAY) {
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44 reader.skip(24);
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45 } else {
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46 reader.skip(16);
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47 }
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48 decoder.decode(reader, renderer, rect);
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49 return;
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50 }
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51 }
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52 byte[] bytes = new byte[dataLen];
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53 rfb.readSendData(dataLen, reader, bytes, rect);
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54 }
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56 private int getZrleLength(FramebufferUpdateRectangle rect, Reader reader)
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57 throws TransportException {
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58 int zrleLength = 0;
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59 if (rect.getEncodingType() == EncodingType.ZRLE
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60 || rect.getEncodingType() == EncodingType.ZRLEE
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61 || rect.getEncodingType() == EncodingType.ZLIB || rect.getEncodingType() == EncodingType.CHECK_DELAY) {
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62 zrleLength = reader.readInt32();
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63 }
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64 if (rect.getEncodingType() == EncodingType.CHECK_DELAY) {
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65 // plus time byte
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66 return zrleLength + 20 + 8;
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67 }
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68 return zrleLength + 20;
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69 }
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71 }