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annotate src/main/java/com/glavsoft/rfb/encoding/decoder/FramebufferUpdateRectangle.java @ 50:225e3873d75f

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Modified to be able to specify the region of the screen in the argument.
author one
date Tue, 09 Jul 2013 18:08:16 +0900
parents 4689cc86d6cb
children 986f16afb753
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1 // Copyright (C) 2010, 2011 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.exceptions.TransportException;
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28 import com.glavsoft.rfb.encoding.EncodingType;
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29 import com.glavsoft.transport.Reader;
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30
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31 /**
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32 * Header for framebuffer-update-rectangle header server message
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33 * 2 - U16 - x-position
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34 * 2 - U16 - y-position
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35 * 2 - U16 - width
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36 * 2 - U16 - height
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37 * 4 - S32 - encoding-type
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38 * and then follows the pixel data in the specified encoding
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39 */
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40 public class FramebufferUpdateRectangle {
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41 public int x;
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42 public int y;
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43 public int width;
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44 public int height;
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45 private EncodingType encodingType;
50
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46 private boolean firstFlag=false;
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47
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48 public FramebufferUpdateRectangle() {
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49 // nop
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50 }
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51
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52 public FramebufferUpdateRectangle(int x, int y, int w, int h) {
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53 this.x = x; this.y = y;
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54 width = w; height = h;
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55 }
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56
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57 public void fill(Reader reader) throws TransportException {
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58 x = reader.readUInt16();
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59 y = reader.readUInt16();
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60 if(!firstFlag) {
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61 width = reader.readUInt16()-2;
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62 height = reader.readUInt16()-2;
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63 firstFlag=true;
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64 } else {
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65 width = reader.readUInt16();
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66 height = reader.readUInt16();
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67 }
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68 int encoding = reader.readInt32();
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69 encodingType = EncodingType.byId(encoding);
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70 }
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71
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72 public EncodingType getEncodingType() {
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73 return encodingType;
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74 }
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75
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76 @Override
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77 public String toString() {
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78 return "FramebufferUpdateRect: [x: " + x + ", y: " + y +
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79 ", width: " + width + ", height: " + height +
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80 ", encodingType: " + encodingType +
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81 "]";
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82 }
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83
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84 }