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<title>src/intern/dwgbuffer.cpp</title>
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<!-- BUGDESC The result of left shift is undefined because the right operand '45' is not smaller than 32, the capacity of 'int' -->
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<h3>Bug Summary</h3>
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<tr><td class="rowname">File:</td><td>dwgbuffer.cpp</td></tr>
<tr><td class="rowname">Warning:</td><td><a href="#EndPath">line 520, column 29</a><br />The result of left shift is undefined because the right operand '45' is not smaller than 32, the capacity of 'int'</td></tr>
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<div class="spoiler">clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name dwgbuffer.cpp -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=none -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/home/runner/work/LibreCAD/LibreCAD/libraries/libdxfrw -fcoverage-compilation-dir=/home/runner/work/LibreCAD/LibreCAD/libraries/libdxfrw -resource-dir /usr/lib/llvm-18/lib/clang/18 -D _REENTRANT -D MUPARSER_STATIC -D QT_NO_DEBUG -I . -I ../../../Qt/6.9.0/gcc_64/mkspecs/linux-g++ -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/x86_64-linux-gnu/c++/14 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/backward -internal-isystem /usr/lib/llvm-18/lib/clang/18/include -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -std=gnu++1z -fdeprecated-macro -ferror-limit 19 -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/runner/work/LibreCAD/LibreCAD/out/2025-04-23-083705-6157-1 -x c++ src/intern/dwgbuffer.cpp
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// overlap much with top-to-bottom curves (much more frequent).
x: topToBottom ? 15 : 25,
y: Math.min((posEnd.y - posStart.y) / 3, 10)
}
// When destination is on the different line, we can make a
// curvier arrow because we have space for it.
// So, instead of using
//
// startHandle.x = posStart.x - curvature.x
// endHandle.x = posEnd.x - curvature.x
//
// We use the leftmost of these two values for both handles.
startHandle.x = Math.min(posStart.x, posEnd.x) - curvature.x;
endHandle.x = startHandle.x;
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startHandle.y = posStart.y + curvature.y;
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endHandle.y = posEnd.y - curvature.y;
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posStart.y = startRect.top;
// ...and ending at the top left corner of the end token.
posEnd.x = endRect.left + 1;
posEnd.y = endRect.top - 1;
// Utility object with x and y offsets for handles.
var curvature = {
x: Math.min((posEnd.x - posStart.x) / 3, 15),
y: 5
}
// Curving to the right...
startHandle.x = posStart.x + curvature.x;
// ... and upwards from the start node.
startHandle.y = posStart.y - curvature.y;
// And to the left...
endHandle.x = posEnd.x - curvature.x;
// ... and upwards from the end node.
endHandle.y = posEnd.y - curvature.y;
} else {
// Case #3
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posStart.x = startRect.right;
posStart.y = startRect.bottom;
// ...and ending also at the bottom right corner, but of the end token.
posEnd.x = endRect.right - 1;
posEnd.y = endRect.bottom + 1;
// Utility object with x and y offsets for handles.
var curvature = {
x: Math.min((posStart.x - posEnd.x) / 3, 15),
y: 5
}
// Curving to the left...
startHandle.x = posStart.x - curvature.x;
// ... and downwards from the start node.
startHandle.y = posStart.y + curvature.y;
// And to the right...
endHandle.x = posEnd.x + curvature.x;
// ... and downwards from the end node.
endHandle.y = posEnd.y + curvature.y;
}
// Put it all together into a path.
// More information on the format:
// https://developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths
var pathStr = "M" + posStart.x + "," + posStart.y + " " +
"C" + startHandle.x + "," + startHandle.y + " " +
endHandle.x + "," + endHandle.y + " " +
posEnd.x + "," + posEnd.y;
arrow.setAttribute("d", pathStr);
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<table class="code" data-fileid="1">
<tr class="codeline" data-linenumber="1"><td class="num" id="LN1">1</td><td class="line"><span class='comment'>/******************************************************************************</span></td></tr>
<tr class="codeline" data-linenumber="2"><td class="num" id="LN2">2</td><td class="line"><span class='comment'>** libDXFrw - Library to read/write DXF files (ascii & binary) **</span></td></tr>
<tr class="codeline" data-linenumber="3"><td class="num" id="LN3">3</td><td class="line"><span class='comment'>** **</span></td></tr>
<tr class="codeline" data-linenumber="4"><td class="num" id="LN4">4</td><td class="line"><span class='comment'>** Copyright (C) 2011-2015 José F. Soriano, [email protected] **</span></td></tr>
<tr class="codeline" data-linenumber="5"><td class="num" id="LN5">5</td><td class="line"><span class='comment'>** **</span></td></tr>
<tr class="codeline" data-linenumber="6"><td class="num" id="LN6">6</td><td class="line"><span class='comment'>** This library is free software, licensed under the terms of the GNU **</span></td></tr>
<tr class="codeline" data-linenumber="7"><td class="num" id="LN7">7</td><td class="line"><span class='comment'>** General Public License as published by the Free Software Foundation, **</span></td></tr>
<tr class="codeline" data-linenumber="8"><td class="num" id="LN8">8</td><td class="line"><span class='comment'>** either version 2 of the License, or (at your option) any later version. **</span></td></tr>
<tr class="codeline" data-linenumber="9"><td class="num" id="LN9">9</td><td class="line"><span class='comment'>** You should have received a copy of the GNU General Public License **</span></td></tr>
<tr class="codeline" data-linenumber="10"><td class="num" id="LN10">10</td><td class="line"><span class='comment'>** along with this program. If not, see <http://www.gnu.org/licenses/>. **</span></td></tr>
<tr class="codeline" data-linenumber="11"><td class="num" id="LN11">11</td><td class="line"><span class='comment'>******************************************************************************/</span></td></tr>
<tr class="codeline" data-linenumber="12"><td class="num" id="LN12">12</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="13"><td class="num" id="LN13">13</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="14"><td class="num" id="LN14">14</td><td class="line"><span class='directive'>#include "dwgbuffer.h"</span></td></tr>
<tr class="codeline" data-linenumber="15"><td class="num" id="LN15">15</td><td class="line"><span class='directive'>#include "../libdwgr.h"</span></td></tr>
<tr class="codeline" data-linenumber="16"><td class="num" id="LN16">16</td><td class="line"><span class='directive'>#include "drw_textcodec.h"</span></td></tr>
<tr class="codeline" data-linenumber="17"><td class="num" id="LN17">17</td><td class="line"><span class='directive'>#include "drw_dbg.h"</span></td></tr>
<tr class="codeline" data-linenumber="18"><td class="num" id="LN18">18</td><td class="line"><span class='comment'>//#include <bitset></span></td></tr>
<tr class="codeline" data-linenumber="19"><td class="num" id="LN19">19</td><td class="line"><span class='comment'>/*#include <fstream></span></td></tr>
<tr class="codeline" data-linenumber="20"><td class="num" id="LN20">20</td><td class="line"><span class='comment'>#include <algorithm></span></td></tr>
<tr class="codeline" data-linenumber="21"><td class="num" id="LN21">21</td><td class="line"><span class='comment'>#include <sstream></span></td></tr>
<tr class="codeline" data-linenumber="22"><td class="num" id="LN22">22</td><td class="line"><span class='comment'>#include "dwgreader.h"*/</span></td></tr>
<tr class="codeline" data-linenumber="23"><td class="num" id="LN23">23</td><td class="line"><span class='comment'>//#include "dxfwriter.h"</span></td></tr>
<tr class="codeline" data-linenumber="24"><td class="num" id="LN24">24</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="25"><td class="num" id="LN25">25</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="26"><td class="num" id="LN26">26</td><td class="line"><span class='comment'>//#define FIRSTHANDLE 48</span></td></tr>
<tr class="codeline" data-linenumber="27"><td class="num" id="LN27">27</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="28"><td class="num" id="LN28">28</td><td class="line"><span class='comment'>/*enum sections {</span></td></tr>
<tr class="codeline" data-linenumber="29"><td class="num" id="LN29">29</td><td class="line"> <span class='comment'>secUnknown,</span></td></tr>
<tr class="codeline" data-linenumber="30"><td class="num" id="LN30">30</td><td class="line"> <span class='comment'>secHeader,</span></td></tr>
<tr class="codeline" data-linenumber="31"><td class="num" id="LN31">31</td><td class="line"> <span class='comment'>secTables,</span></td></tr>
<tr class="codeline" data-linenumber="32"><td class="num" id="LN32">32</td><td class="line"> <span class='comment'>secBlocks,</span></td></tr>
<tr class="codeline" data-linenumber="33"><td class="num" id="LN33">33</td><td class="line"> <span class='comment'>secEntities,</span></td></tr>
<tr class="codeline" data-linenumber="34"><td class="num" id="LN34">34</td><td class="line"> <span class='comment'>secObjects</span></td></tr>
<tr class="codeline" data-linenumber="35"><td class="num" id="LN35">35</td><td class="line"><span class='comment'>};*/</span></td></tr>
<tr class="codeline" data-linenumber="36"><td class="num" id="LN36">36</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="37"><td class="num" id="LN37">37</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>unsigned</span> <span class='keyword'>int</span> crctable[256]= {</td></tr>
<tr class="codeline" data-linenumber="38"><td class="num" id="LN38">38</td><td class="line">0x0000,0xC0C1,0xC181,0x0140,0xC301,0x03C0,0x0280,0xC241,</td></tr>
<tr class="codeline" data-linenumber="39"><td class="num" id="LN39">39</td><td class="line">0xC601,0x06C0,0x0780,0xC741,0x0500,0xC5C1,0xC481,0x0440,</td></tr>
<tr class="codeline" data-linenumber="40"><td class="num" id="LN40">40</td><td class="line">0xCC01,0x0CC0,0x0D80,0xCD41,0x0F00,0xCFC1,0xCE81,0x0E40,</td></tr>
<tr class="codeline" data-linenumber="41"><td class="num" id="LN41">41</td><td class="line">0x0A00,0xCAC1,0xCB81,0x0B40,0xC901,0x09C0,0x0880,0xC841,</td></tr>
<tr class="codeline" data-linenumber="42"><td class="num" id="LN42">42</td><td class="line">0xD801,0x18C0,0x1980,0xD941,0x1B00,0xDBC1,0xDA81,0x1A40,</td></tr>
<tr class="codeline" data-linenumber="43"><td class="num" id="LN43">43</td><td class="line">0x1E00,0xDEC1,0xDF81,0x1F40,0xDD01,0x1DC0,0x1C80,0xDC41,</td></tr>
<tr class="codeline" data-linenumber="44"><td class="num" id="LN44">44</td><td class="line">0x1400,0xD4C1,0xD581,0x1540,0xD701,0x17C0,0x1680,0xD641,</td></tr>
<tr class="codeline" data-linenumber="45"><td class="num" id="LN45">45</td><td class="line">0xD201,0x12C0,0x1380,0xD341,0x1100,0xD1C1,0xD081,0x1040,</td></tr>
<tr class="codeline" data-linenumber="46"><td class="num" id="LN46">46</td><td class="line">0xF001,0x30C0,0x3180,0xF141,0x3300,0xF3C1,0xF281,0x3240,</td></tr>
<tr class="codeline" data-linenumber="47"><td class="num" id="LN47">47</td><td class="line">0x3600,0xF6C1,0xF781,0x3740,0xF501,0x35C0,0x3480,0xF441,</td></tr>
<tr class="codeline" data-linenumber="48"><td class="num" id="LN48">48</td><td class="line">0x3C00,0xFCC1,0xFD81,0x3D40,0xFF01,0x3FC0,0x3E80,0xFE41,</td></tr>
<tr class="codeline" data-linenumber="49"><td class="num" id="LN49">49</td><td class="line">0xFA01,0x3AC0,0x3B80,0xFB41,0x3900,0xF9C1,0xF881,0x3840,</td></tr>
<tr class="codeline" data-linenumber="50"><td class="num" id="LN50">50</td><td class="line">0x2800,0xE8C1,0xE981,0x2940,0xEB01,0x2BC0,0x2A80,0xEA41,</td></tr>
<tr class="codeline" data-linenumber="51"><td class="num" id="LN51">51</td><td class="line">0xEE01,0x2EC0,0x2F80,0xEF41,0x2D00,0xEDC1,0xEC81,0x2C40,</td></tr>
<tr class="codeline" data-linenumber="52"><td class="num" id="LN52">52</td><td class="line">0xE401,0x24C0,0x2580,0xE541,0x2700,0xE7C1,0xE681,0x2640,</td></tr>
<tr class="codeline" data-linenumber="53"><td class="num" id="LN53">53</td><td class="line">0x2200,0xE2C1,0xE381,0x2340,0xE101,0x21C0,0x2080,0xE041,</td></tr>
<tr class="codeline" data-linenumber="54"><td class="num" id="LN54">54</td><td class="line">0xA001,0x60C0,0x6180,0xA141,0x6300,0xA3C1,0xA281,0x6240,</td></tr>
<tr class="codeline" data-linenumber="55"><td class="num" id="LN55">55</td><td class="line">0x6600,0xA6C1,0xA781,0x6740,0xA501,0x65C0,0x6480,0xA441,</td></tr>
<tr class="codeline" data-linenumber="56"><td class="num" id="LN56">56</td><td class="line">0x6C00,0xACC1,0xAD81,0x6D40,0xAF01,0x6FC0,0x6E80,0xAE41,</td></tr>
<tr class="codeline" data-linenumber="57"><td class="num" id="LN57">57</td><td class="line">0xAA01,0x6AC0,0x6B80,0xAB41,0x6900,0xA9C1,0xA881,0x6840,</td></tr>
<tr class="codeline" data-linenumber="58"><td class="num" id="LN58">58</td><td class="line">0x7800,0xB8C1,0xB981,0x7940,0xBB01,0x7BC0,0x7A80,0xBA41,</td></tr>
<tr class="codeline" data-linenumber="59"><td class="num" id="LN59">59</td><td class="line">0xBE01,0x7EC0,0x7F80,0xBF41,0x7D00,0xBDC1,0xBC81,0x7C40,</td></tr>
<tr class="codeline" data-linenumber="60"><td class="num" id="LN60">60</td><td class="line">0xB401,0x74C0,0x7580,0xB541,0x7700,0xB7C1,0xB681,0x7640,</td></tr>
<tr class="codeline" data-linenumber="61"><td class="num" id="LN61">61</td><td class="line">0x7200,0xB2C1,0xB381,0x7340,0xB101,0x71C0,0x7080,0xB041,</td></tr>
<tr class="codeline" data-linenumber="62"><td class="num" id="LN62">62</td><td class="line">0x5000,0x90C1,0x9181,0x5140,0x9301,0x53C0,0x5280,0x9241,</td></tr>
<tr class="codeline" data-linenumber="63"><td class="num" id="LN63">63</td><td class="line">0x9601,0x56C0,0x5780,0x9741,0x5500,0x95C1,0x9481,0x5440,</td></tr>
<tr class="codeline" data-linenumber="64"><td class="num" id="LN64">64</td><td class="line">0x9C01,0x5CC0,0x5D80,0x9D41,0x5F00,0x9FC1,0x9E81,0x5E40,</td></tr>
<tr class="codeline" data-linenumber="65"><td class="num" id="LN65">65</td><td class="line">0x5A00,0x9AC1,0x9B81,0x5B40,0x9901,0x59C0,0x5880,0x9841,</td></tr>
<tr class="codeline" data-linenumber="66"><td class="num" id="LN66">66</td><td class="line">0x8801,0x48C0,0x4980,0x8941,0x4B00,0x8BC1,0x8A81,0x4A40,</td></tr>
<tr class="codeline" data-linenumber="67"><td class="num" id="LN67">67</td><td class="line">0x4E00,0x8EC1,0x8F81,0x4F40,0x8D01,0x4DC0,0x4C80,0x8C41,</td></tr>
<tr class="codeline" data-linenumber="68"><td class="num" id="LN68">68</td><td class="line">0x4400,0x84C1,0x8581,0x4540,0x8701,0x47C0,0x4680,0x8641,</td></tr>
<tr class="codeline" data-linenumber="69"><td class="num" id="LN69">69</td><td class="line">0x8201,0x42C0,0x4380,0x8341,0x4100,0x81C1,0x8081,0x4040 };</td></tr>
<tr class="codeline" data-linenumber="70"><td class="num" id="LN70">70</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="71"><td class="num" id="LN71">71</td><td class="line"><span class='keyword'>static</span> <span class='keyword'>unsigned</span> <span class='keyword'>int</span> crc32Table[256] ={</td></tr>
<tr class="codeline" data-linenumber="72"><td class="num" id="LN72">72</td><td class="line">0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,</td></tr>
<tr class="codeline" data-linenumber="73"><td class="num" id="LN73">73</td><td class="line">0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,</td></tr>
<tr class="codeline" data-linenumber="74"><td class="num" id="LN74">74</td><td class="line">0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,</td></tr>
<tr class="codeline" data-linenumber="75"><td class="num" id="LN75">75</td><td class="line">0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,</td></tr>
<tr class="codeline" data-linenumber="76"><td class="num" id="LN76">76</td><td class="line">0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,</td></tr>
<tr class="codeline" data-linenumber="77"><td class="num" id="LN77">77</td><td class="line">0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,</td></tr>
<tr class="codeline" data-linenumber="78"><td class="num" id="LN78">78</td><td class="line">0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,</td></tr>
<tr class="codeline" data-linenumber="79"><td class="num" id="LN79">79</td><td class="line">0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,</td></tr>
<tr class="codeline" data-linenumber="80"><td class="num" id="LN80">80</td><td class="line">0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,</td></tr>
<tr class="codeline" data-linenumber="81"><td class="num" id="LN81">81</td><td class="line">0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,</td></tr>
<tr class="codeline" data-linenumber="82"><td class="num" id="LN82">82</td><td class="line">0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,</td></tr>
<tr class="codeline" data-linenumber="83"><td class="num" id="LN83">83</td><td class="line">0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,</td></tr>
<tr class="codeline" data-linenumber="84"><td class="num" id="LN84">84</td><td class="line">0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,</td></tr>
<tr class="codeline" data-linenumber="85"><td class="num" id="LN85">85</td><td class="line">0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,</td></tr>
<tr class="codeline" data-linenumber="86"><td class="num" id="LN86">86</td><td class="line">0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,</td></tr>
<tr class="codeline" data-linenumber="87"><td class="num" id="LN87">87</td><td class="line">0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,</td></tr>
<tr class="codeline" data-linenumber="88"><td class="num" id="LN88">88</td><td class="line">0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,</td></tr>
<tr class="codeline" data-linenumber="89"><td class="num" id="LN89">89</td><td class="line">0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,</td></tr>
<tr class="codeline" data-linenumber="90"><td class="num" id="LN90">90</td><td class="line">0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,</td></tr>
<tr class="codeline" data-linenumber="91"><td class="num" id="LN91">91</td><td class="line">0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,</td></tr>
<tr class="codeline" data-linenumber="92"><td class="num" id="LN92">92</td><td class="line">0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,</td></tr>
<tr class="codeline" data-linenumber="93"><td class="num" id="LN93">93</td><td class="line">0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,</td></tr>
<tr class="codeline" data-linenumber="94"><td class="num" id="LN94">94</td><td class="line">0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,</td></tr>
<tr class="codeline" data-linenumber="95"><td class="num" id="LN95">95</td><td class="line">0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,</td></tr>
<tr class="codeline" data-linenumber="96"><td class="num" id="LN96">96</td><td class="line">0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,</td></tr>
<tr class="codeline" data-linenumber="97"><td class="num" id="LN97">97</td><td class="line">0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,</td></tr>
<tr class="codeline" data-linenumber="98"><td class="num" id="LN98">98</td><td class="line">0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,</td></tr>
<tr class="codeline" data-linenumber="99"><td class="num" id="LN99">99</td><td class="line">0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,</td></tr>
<tr class="codeline" data-linenumber="100"><td class="num" id="LN100">100</td><td class="line">0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,</td></tr>
<tr class="codeline" data-linenumber="101"><td class="num" id="LN101">101</td><td class="line">0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,</td></tr>
<tr class="codeline" data-linenumber="102"><td class="num" id="LN102">102</td><td class="line">0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,</td></tr>
<tr class="codeline" data-linenumber="103"><td class="num" id="LN103">103</td><td class="line">0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d};</td></tr>
<tr class="codeline" data-linenumber="104"><td class="num" id="LN104">104</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="105"><td class="num" id="LN105">105</td><td class="line"><span class='keyword'>union</span> typeCast {</td></tr>
<tr class="codeline" data-linenumber="106"><td class="num" id="LN106">106</td><td class="line"> <span class='keyword'>char</span> buf[8];</td></tr>
<tr class="codeline" data-linenumber="107"><td class="num" id="LN107">107</td><td class="line"> duint16 i16;</td></tr>
<tr class="codeline" data-linenumber="108"><td class="num" id="LN108">108</td><td class="line"> duint32 i32;</td></tr>
<tr class="codeline" data-linenumber="109"><td class="num" id="LN109">109</td><td class="line"> duint64 i64;</td></tr>
<tr class="codeline" data-linenumber="110"><td class="num" id="LN110">110</td><td class="line"> ddouble64 d64;</td></tr>
<tr class="codeline" data-linenumber="111"><td class="num" id="LN111">111</td><td class="line">};</td></tr>
<tr class="codeline" data-linenumber="112"><td class="num" id="LN112">112</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="113"><td class="num" id="LN113">113</td><td class="line"><span class='keyword'>bool</span> dwgFileStream::setPos(duint64 p){</td></tr>
<tr class="codeline" data-linenumber="114"><td class="num" id="LN114">114</td><td class="line"> <span class='keyword'>if</span> (p >= sz)</td></tr>
<tr class="codeline" data-linenumber="115"><td class="num" id="LN115">115</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
<tr class="codeline" data-linenumber="116"><td class="num" id="LN116">116</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="117"><td class="num" id="LN117">117</td><td class="line"> stream->seekg(p);</td></tr>
<tr class="codeline" data-linenumber="118"><td class="num" id="LN118">118</td><td class="line"> <span class='keyword'>return</span> stream->good();</td></tr>
<tr class="codeline" data-linenumber="119"><td class="num" id="LN119">119</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="120"><td class="num" id="LN120">120</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="121"><td class="num" id="LN121">121</td><td class="line"><span class='keyword'>bool</span> dwgFileStream::read(duint8* s, duint64 n){</td></tr>
<tr class="codeline" data-linenumber="122"><td class="num" id="LN122">122</td><td class="line"> stream->read (<span class='keyword'>reinterpret_cast</span><<span class='keyword'>char</span>*>(s),n);</td></tr>
<tr class="codeline" data-linenumber="123"><td class="num" id="LN123">123</td><td class="line"> <span class='keyword'>return</span> stream->good();</td></tr>
<tr class="codeline" data-linenumber="124"><td class="num" id="LN124">124</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="125"><td class="num" id="LN125">125</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="126"><td class="num" id="LN126">126</td><td class="line"><span class='keyword'>bool</span> dwgCharStream::setPos(duint64 p){</td></tr>
<tr class="codeline" data-linenumber="127"><td class="num" id="LN127">127</td><td class="line"> <span class='keyword'>if</span> (p > size()) {</td></tr>
<tr class="codeline" data-linenumber="128"><td class="num" id="LN128">128</td><td class="line"> isOk = <span class='keyword'>false</span>;</td></tr>
<tr class="codeline" data-linenumber="129"><td class="num" id="LN129">129</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
<tr class="codeline" data-linenumber="130"><td class="num" id="LN130">130</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="131"><td class="num" id="LN131">131</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="132"><td class="num" id="LN132">132</td><td class="line"> pos = p;</td></tr>
<tr class="codeline" data-linenumber="133"><td class="num" id="LN133">133</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
<tr class="codeline" data-linenumber="134"><td class="num" id="LN134">134</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="135"><td class="num" id="LN135">135</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="136"><td class="num" id="LN136">136</td><td class="line"><span class='keyword'>bool</span> dwgCharStream::read(duint8* s, duint64 n){</td></tr>
<tr class="codeline" data-linenumber="137"><td class="num" id="LN137">137</td><td class="line"> <span class='keyword'>if</span> ( n > (sz - pos) ) {</td></tr>
<tr class="codeline" data-linenumber="138"><td class="num" id="LN138">138</td><td class="line"> isOk = <span class='keyword'>false</span>;</td></tr>
<tr class="codeline" data-linenumber="139"><td class="num" id="LN139">139</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>false</span>;</td></tr>
<tr class="codeline" data-linenumber="140"><td class="num" id="LN140">140</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="141"><td class="num" id="LN141">141</td><td class="line"> <span class='keyword'>for</span> (duint64 i=0; i<n; i++){</td></tr>
<tr class="codeline" data-linenumber="142"><td class="num" id="LN142">142</td><td class="line"> s[i]= stream[pos++];</td></tr>
<tr class="codeline" data-linenumber="143"><td class="num" id="LN143">143</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="144"><td class="num" id="LN144">144</td><td class="line"> <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
<tr class="codeline" data-linenumber="145"><td class="num" id="LN145">145</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="146"><td class="num" id="LN146">146</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="147"><td class="num" id="LN147">147</td><td class="line">dwgBuffer::dwgBuffer(duint8 *buf, duint64 size, DRW_TextCodec *dc)</td></tr>
<tr class="codeline" data-linenumber="148"><td class="num" id="LN148">148</td><td class="line"> :decoder{dc}</td></tr>
<tr class="codeline" data-linenumber="149"><td class="num" id="LN149">149</td><td class="line"> ,filestr{<span class='keyword'>new</span> dwgCharStream(buf, size)}</td></tr>
<tr class="codeline" data-linenumber="150"><td class="num" id="LN150">150</td><td class="line"> ,maxSize{size}</td></tr>
<tr class="codeline" data-linenumber="151"><td class="num" id="LN151">151</td><td class="line">{}</td></tr>
<tr class="codeline" data-linenumber="152"><td class="num" id="LN152">152</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="153"><td class="num" id="LN153">153</td><td class="line">dwgBuffer::dwgBuffer(std::ifstream *stream, DRW_TextCodec *dc)</td></tr>
<tr class="codeline" data-linenumber="154"><td class="num" id="LN154">154</td><td class="line"> :decoder{dc}</td></tr>
<tr class="codeline" data-linenumber="155"><td class="num" id="LN155">155</td><td class="line"> ,filestr{<span class='keyword'>new</span> dwgFileStream(stream)}</td></tr>
<tr class="codeline" data-linenumber="156"><td class="num" id="LN156">156</td><td class="line"> ,maxSize{filestr->size()}</td></tr>
<tr class="codeline" data-linenumber="157"><td class="num" id="LN157">157</td><td class="line">{}</td></tr>
<tr class="codeline" data-linenumber="158"><td class="num" id="LN158">158</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="159"><td class="num" id="LN159">159</td><td class="line">dwgBuffer::dwgBuffer( <span class='keyword'>const</span> dwgBuffer& org )</td></tr>
<tr class="codeline" data-linenumber="160"><td class="num" id="LN160">160</td><td class="line"> :decoder{org.decoder}</td></tr>
<tr class="codeline" data-linenumber="161"><td class="num" id="LN161">161</td><td class="line"> ,filestr{org.filestr->clone()}</td></tr>
<tr class="codeline" data-linenumber="162"><td class="num" id="LN162">162</td><td class="line"> ,maxSize{filestr->size()}</td></tr>
<tr class="codeline" data-linenumber="163"><td class="num" id="LN163">163</td><td class="line"> ,currByte{org.currByte}</td></tr>
<tr class="codeline" data-linenumber="164"><td class="num" id="LN164">164</td><td class="line"> ,bitPos{org.bitPos}</td></tr>
<tr class="codeline" data-linenumber="165"><td class="num" id="LN165">165</td><td class="line">{}</td></tr>
<tr class="codeline" data-linenumber="166"><td class="num" id="LN166">166</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="167"><td class="num" id="LN167">167</td><td class="line">dwgBuffer& dwgBuffer::<span class='keyword'>operator</span>=( <span class='keyword'>const</span> dwgBuffer& org ){</td></tr>
<tr class="codeline" data-linenumber="168"><td class="num" id="LN168">168</td><td class="line"> filestr.reset( org.filestr->clone());</td></tr>
<tr class="codeline" data-linenumber="169"><td class="num" id="LN169">169</td><td class="line"> decoder = org.decoder;</td></tr>
<tr class="codeline" data-linenumber="170"><td class="num" id="LN170">170</td><td class="line"> maxSize = filestr->size();</td></tr>
<tr class="codeline" data-linenumber="171"><td class="num" id="LN171">171</td><td class="line"> currByte = org.currByte;</td></tr>
<tr class="codeline" data-linenumber="172"><td class="num" id="LN172">172</td><td class="line"> bitPos = org.bitPos;</td></tr>
<tr class="codeline" data-linenumber="173"><td class="num" id="LN173">173</td><td class="line"> <span class='keyword'>return</span> *<span class='keyword'>this</span>;</td></tr>
<tr class="codeline" data-linenumber="174"><td class="num" id="LN174">174</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="175"><td class="num" id="LN175">175</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="176"><td class="num" id="LN176">176</td><td class="line"><span class='comment'>/**Gets the current byte position in buffer **/</span></td></tr>
<tr class="codeline" data-linenumber="177"><td class="num" id="LN177">177</td><td class="line">duint64 dwgBuffer::getPosition() <span class='keyword'>const</span>{</td></tr>
<tr class="codeline" data-linenumber="178"><td class="num" id="LN178">178</td><td class="line"> <span class='keyword'>if</span> (bitPos != 0)</td></tr>
<tr class="codeline" data-linenumber="179"><td class="num" id="LN179">179</td><td class="line"> <span class='keyword'>return</span> filestr->getPos() -1;</td></tr>
<tr class="codeline" data-linenumber="180"><td class="num" id="LN180">180</td><td class="line"> <span class='keyword'>return</span> filestr->getPos();</td></tr>
<tr class="codeline" data-linenumber="181"><td class="num" id="LN181">181</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="182"><td class="num" id="LN182">182</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="183"><td class="num" id="LN183">183</td><td class="line"><span class='comment'>/**Sets the buffer position in pos byte, reset the bit position **/</span></td></tr>
<tr class="codeline" data-linenumber="184"><td class="num" id="LN184">184</td><td class="line"><span class='keyword'>bool</span> dwgBuffer::setPosition(duint64 pos){</td></tr>
<tr class="codeline" data-linenumber="185"><td class="num" id="LN185">185</td><td class="line"> bitPos = 0;</td></tr>
<tr class="codeline" data-linenumber="186"><td class="num" id="LN186">186</td><td class="line"><span class='comment'>/* if (pos>=maxSize)</span></td></tr>
<tr class="codeline" data-linenumber="187"><td class="num" id="LN187">187</td><td class="line"> <span class='comment'>return false;*/</span></td></tr>
<tr class="codeline" data-linenumber="188"><td class="num" id="LN188">188</td><td class="line"> <span class='keyword'>return</span> filestr->setPos(pos);</td></tr>
<tr class="codeline" data-linenumber="189"><td class="num" id="LN189">189</td><td class="line"><span class='comment'>// return true;</span></td></tr>
<tr class="codeline" data-linenumber="190"><td class="num" id="LN190">190</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="191"><td class="num" id="LN191">191</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="192"><td class="num" id="LN192">192</td><td class="line"><span class='comment'>//RLZ: Fails if ... ???</span></td></tr>
<tr class="codeline" data-linenumber="193"><td class="num" id="LN193">193</td><td class="line"><span class='keyword'>void</span> dwgBuffer::setBitPos(duint8 pos){</td></tr>
<tr class="codeline" data-linenumber="194"><td class="num" id="LN194">194</td><td class="line"> <span class='keyword'>if</span> (pos>7)</td></tr>
<tr class="codeline" data-linenumber="195"><td class="num" id="LN195">195</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
<tr class="codeline" data-linenumber="196"><td class="num" id="LN196">196</td><td class="line"> <span class='keyword'>if</span> (pos != 0 && bitPos == 0){</td></tr>
<tr class="codeline" data-linenumber="197"><td class="num" id="LN197">197</td><td class="line"> duint8 buffer;</td></tr>
<tr class="codeline" data-linenumber="198"><td class="num" id="LN198">198</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="199"><td class="num" id="LN199">199</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="200"><td class="num" id="LN200">200</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="201"><td class="num" id="LN201">201</td><td class="line"> <span class='keyword'>if</span> (pos == 0 && bitPos != 0){<span class='comment'>//reset current byte</span></td></tr>
<tr class="codeline" data-linenumber="202"><td class="num" id="LN202">202</td><td class="line"> filestr->setPos(filestr->getPos()-1);</td></tr>
<tr class="codeline" data-linenumber="203"><td class="num" id="LN203">203</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="204"><td class="num" id="LN204">204</td><td class="line"> bitPos = pos;</td></tr>
<tr class="codeline" data-linenumber="205"><td class="num" id="LN205">205</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="206"><td class="num" id="LN206">206</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="207"><td class="num" id="LN207">207</td><td class="line"><span class='keyword'>bool</span> dwgBuffer::moveBitPos(dint32 size){</td></tr>
<tr class="codeline" data-linenumber="208"><td class="num" id="LN208">208</td><td class="line"> <span class='keyword'>if</span> (size == 0) <span class='keyword'>return</span> <span class='keyword'>true</span>;</td></tr>
<tr class="codeline" data-linenumber="209"><td class="num" id="LN209">209</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="210"><td class="num" id="LN210">210</td><td class="line"> dint32 b= size + bitPos;</td></tr>
<tr class="codeline" data-linenumber="211"><td class="num" id="LN211">211</td><td class="line"> filestr->setPos(getPosition() + (b >> 3) );</td></tr>
<tr class="codeline" data-linenumber="212"><td class="num" id="LN212">212</td><td class="line"> bitPos = b & 7;</td></tr>
<tr class="codeline" data-linenumber="213"><td class="num" id="LN213">213</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="214"><td class="num" id="LN214">214</td><td class="line"> <span class='keyword'>if</span> (bitPos != 0){</td></tr>
<tr class="codeline" data-linenumber="215"><td class="num" id="LN215">215</td><td class="line"> filestr->read (&currByte,1);</td></tr>
<tr class="codeline" data-linenumber="216"><td class="num" id="LN216">216</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="217"><td class="num" id="LN217">217</td><td class="line"> <span class='keyword'>return</span> filestr->good();</td></tr>
<tr class="codeline" data-linenumber="218"><td class="num" id="LN218">218</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="219"><td class="num" id="LN219">219</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="220"><td class="num" id="LN220">220</td><td class="line"><span class='comment'>/**Reads one Bit returns a char with value 0/1 (B) **/</span></td></tr>
<tr class="codeline" data-linenumber="221"><td class="num" id="LN221">221</td><td class="line">duint8 dwgBuffer::getBit(){</td></tr>
<tr class="codeline" data-linenumber="222"><td class="num" id="LN222">222</td><td class="line"> duint8 buffer;</td></tr>
<tr class="codeline" data-linenumber="223"><td class="num" id="LN223">223</td><td class="line"> duint8 ret = 0;</td></tr>
<tr class="codeline" data-linenumber="224"><td class="num" id="LN224">224</td><td class="line"> <span class='keyword'>if</span> (bitPos == 0){</td></tr>
<tr class="codeline" data-linenumber="225"><td class="num" id="LN225">225</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="226"><td class="num" id="LN226">226</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="227"><td class="num" id="LN227">227</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="228"><td class="num" id="LN228">228</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="229"><td class="num" id="LN229">229</td><td class="line"> ret = (currByte >> (7 - bitPos) & 1);</td></tr>
<tr class="codeline" data-linenumber="230"><td class="num" id="LN230">230</td><td class="line"> bitPos +=1;</td></tr>
<tr class="codeline" data-linenumber="231"><td class="num" id="LN231">231</td><td class="line"> <span class='keyword'>if</span> (bitPos == 8)</td></tr>
<tr class="codeline" data-linenumber="232"><td class="num" id="LN232">232</td><td class="line"> bitPos = 0;</td></tr>
<tr class="codeline" data-linenumber="233"><td class="num" id="LN233">233</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="234"><td class="num" id="LN234">234</td><td class="line"> <span class='keyword'>return</span> ret;</td></tr>
<tr class="codeline" data-linenumber="235"><td class="num" id="LN235">235</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="236"><td class="num" id="LN236">236</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="237"><td class="num" id="LN237">237</td><td class="line"><span class='comment'>/**Reads one Bit returns a bool value 0==false 1==true (B) **/</span></td></tr>
<tr class="codeline" data-linenumber="238"><td class="num" id="LN238">238</td><td class="line"><span class='keyword'>bool</span> dwgBuffer::getBoolBit(){</td></tr>
<tr class="codeline" data-linenumber="239"><td class="num" id="LN239">239</td><td class="line"> <span class='keyword'>return</span> (getBit() != 0);</td></tr>
<tr class="codeline" data-linenumber="240"><td class="num" id="LN240">240</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="241"><td class="num" id="LN241">241</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="242"><td class="num" id="LN242">242</td><td class="line"><span class='comment'>/**Reads two Bits returns a char (BB) **/</span></td></tr>
<tr class="codeline" data-linenumber="243"><td class="num" id="LN243">243</td><td class="line">duint8 dwgBuffer::get2Bits(){</td></tr>
<tr class="codeline" data-linenumber="244"><td class="num" id="LN244">244</td><td class="line"> duint8 buffer;</td></tr>
<tr class="codeline" data-linenumber="245"><td class="num" id="LN245">245</td><td class="line"> duint8 ret = 0;</td></tr>
<tr class="codeline" data-linenumber="246"><td class="num" id="LN246">246</td><td class="line"> <span class='keyword'>if</span> (bitPos == 0){</td></tr>
<tr class="codeline" data-linenumber="247"><td class="num" id="LN247">247</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="248"><td class="num" id="LN248">248</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="249"><td class="num" id="LN249">249</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="250"><td class="num" id="LN250">250</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="251"><td class="num" id="LN251">251</td><td class="line"> bitPos +=2;</td></tr>
<tr class="codeline" data-linenumber="252"><td class="num" id="LN252">252</td><td class="line"> <span class='keyword'>if</span> (bitPos < 9)</td></tr>
<tr class="codeline" data-linenumber="253"><td class="num" id="LN253">253</td><td class="line"> ret = currByte >>(8 - bitPos);</td></tr>
<tr class="codeline" data-linenumber="254"><td class="num" id="LN254">254</td><td class="line"> <span class='keyword'>else</span> {<span class='comment'>//read one bit per byte</span></td></tr>
<tr class="codeline" data-linenumber="255"><td class="num" id="LN255">255</td><td class="line"> ret = currByte << 1;</td></tr>
<tr class="codeline" data-linenumber="256"><td class="num" id="LN256">256</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="257"><td class="num" id="LN257">257</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="258"><td class="num" id="LN258">258</td><td class="line"> bitPos = 1;</td></tr>
<tr class="codeline" data-linenumber="259"><td class="num" id="LN259">259</td><td class="line"> ret = ret | currByte >> 7;</td></tr>
<tr class="codeline" data-linenumber="260"><td class="num" id="LN260">260</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="261"><td class="num" id="LN261">261</td><td class="line"> <span class='keyword'>if</span> (bitPos == 8)</td></tr>
<tr class="codeline" data-linenumber="262"><td class="num" id="LN262">262</td><td class="line"> bitPos = 0;</td></tr>
<tr class="codeline" data-linenumber="263"><td class="num" id="LN263">263</td><td class="line"> ret = ret & 3;</td></tr>
<tr class="codeline" data-linenumber="264"><td class="num" id="LN264">264</td><td class="line"> <span class='keyword'>return</span> ret;</td></tr>
<tr class="codeline" data-linenumber="265"><td class="num" id="LN265">265</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="266"><td class="num" id="LN266">266</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="267"><td class="num" id="LN267">267</td><td class="line"><span class='comment'>/**Reads thee Bits returns a char (3B) **/</span></td></tr>
<tr class="codeline" data-linenumber="268"><td class="num" id="LN268">268</td><td class="line"><span class='comment'>//RLZ: todo verify this</span></td></tr>
<tr class="codeline" data-linenumber="269"><td class="num" id="LN269">269</td><td class="line">duint8 dwgBuffer::get3Bits(){</td></tr>
<tr class="codeline" data-linenumber="270"><td class="num" id="LN270">270</td><td class="line"> duint8 buffer;</td></tr>
<tr class="codeline" data-linenumber="271"><td class="num" id="LN271">271</td><td class="line"> duint8 ret = 0;</td></tr>
<tr class="codeline" data-linenumber="272"><td class="num" id="LN272">272</td><td class="line"> <span class='keyword'>if</span> (bitPos == 0){</td></tr>
<tr class="codeline" data-linenumber="273"><td class="num" id="LN273">273</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="274"><td class="num" id="LN274">274</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="275"><td class="num" id="LN275">275</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="276"><td class="num" id="LN276">276</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="277"><td class="num" id="LN277">277</td><td class="line"> bitPos +=3;</td></tr>
<tr class="codeline" data-linenumber="278"><td class="num" id="LN278">278</td><td class="line"> <span class='keyword'>if</span> (bitPos < 9)</td></tr>
<tr class="codeline" data-linenumber="279"><td class="num" id="LN279">279</td><td class="line"> ret = currByte >>(8 - bitPos);</td></tr>
<tr class="codeline" data-linenumber="280"><td class="num" id="LN280">280</td><td class="line"> <span class='keyword'>else</span> {<span class='comment'>//read one bit per byte</span></td></tr>
<tr class="codeline" data-linenumber="281"><td class="num" id="LN281">281</td><td class="line"> ret = currByte << 1;</td></tr>
<tr class="codeline" data-linenumber="282"><td class="num" id="LN282">282</td><td class="line"> filestr->read (&buffer,1);</td></tr>
<tr class="codeline" data-linenumber="283"><td class="num" id="LN283">283</td><td class="line"> currByte = buffer;</td></tr>
<tr class="codeline" data-linenumber="284"><td class="num" id="LN284">284</td><td class="line"> bitPos = 1;</td></tr>
<tr class="codeline" data-linenumber="285"><td class="num" id="LN285">285</td><td class="line"> ret = ret | currByte >> 7;</td></tr>
<tr class="codeline" data-linenumber="286"><td class="num" id="LN286">286</td><td class="line"> }</td></tr>
<tr class="codeline" data-linenumber="287"><td class="num" id="LN287">287</td><td class="line"> <span class='keyword'>if</span> (bitPos == 8)</td></tr>
<tr class="codeline" data-linenumber="288"><td class="num" id="LN288">288</td><td class="line"> bitPos = 0;</td></tr>
<tr class="codeline" data-linenumber="289"><td class="num" id="LN289">289</td><td class="line"> ret = ret & 7;</td></tr>
<tr class="codeline" data-linenumber="290"><td class="num" id="LN290">290</td><td class="line"> <span class='keyword'>return</span> ret;</td></tr>
<tr class="codeline" data-linenumber="291"><td class="num" id="LN291">291</td><td class="line">}</td></tr>
<tr class="codeline" data-linenumber="292"><td class="num" id="LN292">292</td><td class="line"> </td></tr>
<tr class="codeline" data-linenumber="293"><td class="num" id="LN293">293</td><td class="line"><span class='comment'>/**Reads tree Bits returns a char (3B) for R24 **/</span></td></tr>
<tr class="codeline" data-linenumber="294"><td class="num" id="LN294">294</td><td class="line"><span class='comment'>//to be written</span></td></tr>