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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Gamedev Framework (gf): Polyline.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)
 <span id="projectnumber">0.14.0</span>
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<div id="projectbrief">A C++14 framework for 2D games</div>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_6d069d519ae9d12fa11dd8e685586b60.html">gf</a></li> </ul>
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<div class="title">Polyline.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Gamedev Framework (gf)</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 2016-2019 Julien Bernard</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This software is provided 'as-is', without any express or implied</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * warranty. In no event will the authors be held liable for any damages</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * arising from the use of this software.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Permission is granted to anyone to use this software for any purpose,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * including commercial applications, and to alter it and redistribute it</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * freely, subject to the following restrictions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 1. The origin of this software must not be misrepresented; you must not</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * claim that you wrote the original software. If you use this software</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * in a product, an acknowledgment in the product documentation would be</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * appreciated but is not required.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * 2. Altered source versions must be plainly marked as such, and must not be</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * misrepresented as being the original software.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 3. This notice may not be removed or altered from any source distribution.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef GF_POLYLINE_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GF_POLYLINE_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "ArrayRef.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "Math.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "Matrix.h"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "Portability.h"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "SerializationFwd.h"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "Vector.h"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="namespacegf.html">gf</a> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html"> 45</a></span>  <span class="keyword">class </span>GF_API <a class="code" href="classgf_1_1_polyline.html">Polyline</a> {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624"> 50</a></span>  <span class="keyword">enum</span> <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a6039d85bfd45bd721a46867f143a981b"> 51</a></span>  <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a6039d85bfd45bd721a46867f143a981b">Chain</a>, </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a8f53d59237ea126834dc7ec2229b90d9"> 52</a></span>  <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a8f53d59237ea126834dc7ec2229b90d9">Loop</a>, </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  };</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#aa8c91cf1c213140a650dbd8111971277"> 60</a></span>  <a class="code" href="classgf_1_1_polyline.html#aa8c91cf1c213140a650dbd8111971277">Polyline</a>(<a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> type = Chain)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  : m_type(type)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#aec8843b2950ee2e8782897cf5f208fa6"> 72</a></span>  <a class="code" href="classgf_1_1_polyline.html#aec8843b2950ee2e8782897cf5f208fa6">Polyline</a>(<a class="code" href="classgf_1_1_array_ref.html">ArrayRef<Vector2f></a> points, <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> type = Chain)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : m_points(points.begin(), points.end())</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  , m_type(type)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Iterator></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#ac7454cf290c4f6515cc080e379350e42"> 87</a></span>  <a class="code" href="classgf_1_1_polyline.html#ac7454cf290c4f6515cc080e379350e42">Polyline</a>(Iterator first, Iterator last, <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> type = Chain)</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  : m_points(first, last)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  , m_type(type)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> addPoint(<a class="code" href="structgf_1_1_vector.html">Vector2f</a> point);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::size_t getPointCount() <span class="keyword">const</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="structgf_1_1_vector.html">Vector2f</a> getPoint(std::size_t index) <span class="keyword">const</span>;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> <a class="code" href="structgf_1_1_vector.html">Vector2f</a> *begin() <span class="keyword">const</span>;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> <a class="code" href="structgf_1_1_vector.html">Vector2f</a> *end() <span class="keyword">const</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="structgf_1_1_vector.html">Vector2f</a> *begin();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="structgf_1_1_vector.html">Vector2f</a> *end();</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">bool</span> hasPrevPoint(std::size_t i) <span class="keyword">const</span>;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="structgf_1_1_vector.html">Vector2f</a> getPrevPoint(std::size_t i) <span class="keyword">const</span>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">bool</span> hasNextPoint(std::size_t i) <span class="keyword">const</span>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="structgf_1_1_vector.html">Vector2f</a> getNextPoint(std::size_t i) <span class="keyword">const</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#ac8e7ffa5edd17863ebf17abc1a13b2e2"> 196</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_polyline.html#ac8e7ffa5edd17863ebf17abc1a13b2e2">setType</a>(<a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> type) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  m_type = type;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#afb53edc0ed7fea824b47d57b1899f609"> 205</a></span>  <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> <a class="code" href="classgf_1_1_polyline.html#afb53edc0ed7fea824b47d57b1899f609">getType</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> m_type;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#ae62d61623c433be49b88a8b51c1e0699"> 216</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgf_1_1_polyline.html#ae62d61623c433be49b88a8b51c1e0699">isLoop</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> m_type == Loop;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="classgf_1_1_polyline.html#ad704ecb18cee632447994060d5e38d76"> 227</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgf_1_1_polyline.html#ad704ecb18cee632447994060d5e38d76">isChain</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> m_type == Chain;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">void</span> simplify(<span class="keywordtype">float</span> distance = <a class="code" href="group__core.html#gab4aa74a0cbea2a97c107bc5a1dc63a64">Epsilon</a>);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  std::vector<Vector2f> m_points;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">Type</a> m_type;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  };</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  GF_API <a class="code" href="classgf_1_1_serializer.html">Serializer</a>& operator|(<a class="code" href="classgf_1_1_serializer.html">Serializer</a>& ar, <span class="keyword">const</span> <a class="code" href="classgf_1_1_polyline.html">Polyline</a>& polyline);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  GF_API <a class="code" href="classgf_1_1_deserializer.html">Deserializer</a>& operator|(<a class="code" href="classgf_1_1_deserializer.html">Deserializer</a>& ar, <a class="code" href="classgf_1_1_polyline.html">Polyline</a>& polyline);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> }</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#endif // GF_POLYLINE_H</span></div><div class="ttc" id="classgf_1_1_polyline_html_ac8e7ffa5edd17863ebf17abc1a13b2e2"><div class="ttname"><a href="classgf_1_1_polyline.html#ac8e7ffa5edd17863ebf17abc1a13b2e2">gf::Polyline::setType</a></div><div class="ttdeci">void setType(Type type)</div><div class="ttdoc">Set the type of the polyline. </div><div class="ttdef"><b>Definition:</b> Polyline.h:196</div></div>
<div class="ttc" id="classgf_1_1_deserializer_html"><div class="ttname"><a href="classgf_1_1_deserializer.html">gf::Deserializer</a></div><div class="ttdoc">A deserializer from a binary file. </div><div class="ttdef"><b>Definition:</b> Serialization.h:153</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_aec8843b2950ee2e8782897cf5f208fa6"><div class="ttname"><a href="classgf_1_1_polyline.html#aec8843b2950ee2e8782897cf5f208fa6">gf::Polyline::Polyline</a></div><div class="ttdeci">Polyline(ArrayRef< Vector2f > points, Type type=Chain)</div><div class="ttdoc">Constructor from an array. </div><div class="ttdef"><b>Definition:</b> Polyline.h:72</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_a1e91044d809b032b2cc4cd6652890624a6039d85bfd45bd721a46867f143a981b"><div class="ttname"><a href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a6039d85bfd45bd721a46867f143a981b">gf::Polyline::Chain</a></div><div class="ttdoc">The polyline is open. </div><div class="ttdef"><b>Definition:</b> Polyline.h:51</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_afb53edc0ed7fea824b47d57b1899f609"><div class="ttname"><a href="classgf_1_1_polyline.html#afb53edc0ed7fea824b47d57b1899f609">gf::Polyline::getType</a></div><div class="ttdeci">Type getType() const</div><div class="ttdoc">Get the type of the polyline. </div><div class="ttdef"><b>Definition:</b> Polyline.h:205</div></div>
<div class="ttc" id="group__core_html_gab4aa74a0cbea2a97c107bc5a1dc63a64"><div class="ttname"><a href="group__core.html#gab4aa74a0cbea2a97c107bc5a1dc63a64">gf::Epsilon</a></div><div class="ttdeci">constexpr float Epsilon</div><div class="ttdoc">Machine epsilon. </div><div class="ttdef"><b>Definition:</b> Math.h:84</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_ac7454cf290c4f6515cc080e379350e42"><div class="ttname"><a href="classgf_1_1_polyline.html#ac7454cf290c4f6515cc080e379350e42">gf::Polyline::Polyline</a></div><div class="ttdeci">Polyline(Iterator first, Iterator last, Type type=Chain)</div><div class="ttdoc">Constructor from points. </div><div class="ttdef"><b>Definition:</b> Polyline.h:87</div></div>
<div class="ttc" id="classgf_1_1_polyline_html"><div class="ttname"><a href="classgf_1_1_polyline.html">gf::Polyline</a></div><div class="ttdoc">A polyline. </div><div class="ttdef"><b>Definition:</b> Polyline.h:45</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_ae62d61623c433be49b88a8b51c1e0699"><div class="ttname"><a href="classgf_1_1_polyline.html#ae62d61623c433be49b88a8b51c1e0699">gf::Polyline::isLoop</a></div><div class="ttdeci">bool isLoop() const</div><div class="ttdoc">Check is the polyline is a loop. </div><div class="ttdef"><b>Definition:</b> Polyline.h:216</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_ad704ecb18cee632447994060d5e38d76"><div class="ttname"><a href="classgf_1_1_polyline.html#ad704ecb18cee632447994060d5e38d76">gf::Polyline::isChain</a></div><div class="ttdeci">bool isChain() const</div><div class="ttdoc">Check is the polyline is a chain. </div><div class="ttdef"><b>Definition:</b> Polyline.h:227</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_aa8c91cf1c213140a650dbd8111971277"><div class="ttname"><a href="classgf_1_1_polyline.html#aa8c91cf1c213140a650dbd8111971277">gf::Polyline::Polyline</a></div><div class="ttdeci">Polyline(Type type=Chain)</div><div class="ttdoc">Default constructor. </div><div class="ttdef"><b>Definition:</b> Polyline.h:60</div></div>
<div class="ttc" id="classgf_1_1_serializer_html"><div class="ttname"><a href="classgf_1_1_serializer.html">gf::Serializer</a></div><div class="ttdoc">A serializer to a binary file. </div><div class="ttdef"><b>Definition:</b> Serialization.h:45</div></div>
<div class="ttc" id="namespacegf_html"><div class="ttname"><a href="namespacegf.html">gf</a></div><div class="ttdoc">The namespace for gf classes. </div><div class="ttdef"><b>Definition:</b> Action.h:35</div></div>
<div class="ttc" id="classgf_1_1_array_ref_html"><div class="ttname"><a href="classgf_1_1_array_ref.html">gf::ArrayRef</a></div><div class="ttdoc">A constant reference to an array and its size. </div><div class="ttdef"><b>Definition:</b> ArrayRef.h:42</div></div>
<div class="ttc" id="classgf_1_1_polyline_html_a1e91044d809b032b2cc4cd6652890624"><div class="ttname"><a href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624">gf::Polyline::Type</a></div><div class="ttdeci">Type</div><div class="ttdoc">The type of polyline. </div><div class="ttdef"><b>Definition:</b> Polyline.h:50</div></div>
<div class="ttc" id="structgf_1_1_vector_html"><div class="ttname"><a href="structgf_1_1_vector.html">gf::Vector< float, 2 ></a></div></div>
<div class="ttc" id="classgf_1_1_polyline_html_a1e91044d809b032b2cc4cd6652890624a8f53d59237ea126834dc7ec2229b90d9"><div class="ttname"><a href="classgf_1_1_polyline.html#a1e91044d809b032b2cc4cd6652890624a8f53d59237ea126834dc7ec2229b90d9">gf::Polyline::Loop</a></div><div class="ttdoc">The polyline is closed. </div><div class="ttdef"><b>Definition:</b> Polyline.h:52</div></div>
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