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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>Gamedev Framework (gf): Polygon.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)<span id="projectnumber"> 0.22.0</span>
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<div id="projectbrief">A C++17 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="headertitle"><div class="title">Polygon.h</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Gamedev Framework (gf)</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (C) 2016-2022 Julien Bernard</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" 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 id="l00006" 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 id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * arising from the use of this software.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" 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 id="l00010" 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 id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * freely, subject to the following restrictions:</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" 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 id="l00014" 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 id="l00015" 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 id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * appreciated but is not required.</span></div>
<div class="line"><a id="l00017" 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 id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> * misrepresented as being the original software.</span></div>
<div class="line"><a id="l00019" 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 id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"> */</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#ifndef GF_POLYGON_H</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define GF_POLYGON_H</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <vector></span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "CoreApi.h"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "Math.h"</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "Matrix.h"</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "PointSequence.h"</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "SerializationFwd.h"</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "Span.h"</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "Vector.h"</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include "Winding.h"</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacegf.html">gf</a> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">struct </span>Transform;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html"> 47</a></span> <span class="keyword">class </span>GF_CORE_API <a class="code hl_class" href="classgf_1_1_polygon.html">Polygon</a> : <span class="keyword">public</span> <a class="code hl_class" href="classgf_1_1_point_sequence.html">PointSequence</a> {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#af357de928fe5a18428e958ba807b2e71"> 52</a></span> <a class="code hl_function" href="classgf_1_1_polygon.html#af357de928fe5a18428e958ba807b2e71">Polygon</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#abe49d37ba28cb501c6b0538ff7a31598"> 59</a></span> <a class="code hl_function" href="classgf_1_1_polygon.html#abe49d37ba28cb501c6b0538ff7a31598">Polygon</a>(<a class="code hl_class" href="classgf_1_1_span.html">Span<const Vector2f></a> points)</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> : <a class="code hl_class" href="classgf_1_1_point_sequence.html">PointSequence</a>(points)</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span><<span class="keyword">typename</span> Iterator></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#a1afe5d43ef0385b447950317454d3d47"> 71</a></span> <a class="code hl_function" href="classgf_1_1_polygon.html#a1afe5d43ef0385b447950317454d3d47">Polygon</a>(Iterator first, Iterator last)</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> : <a class="code hl_class" href="classgf_1_1_point_sequence.html">PointSequence</a>(first, last)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#a1c879c09584585d19698834df21f6e00"> 83</a></span> <a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> <a class="code hl_function" href="classgf_1_1_polygon.html#a1c879c09584585d19698834df21f6e00">getSupport</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> direction, <span class="keyword">const</span> <a class="code hl_struct" href="structgf_1_1_transform.html">Transform</a>& <a class="code hl_function" href="group__core__geometry.html#gac4e4c75521a6691a917073fa54a99dcf">transform</a>) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#aff78c20fb2e56cf77bfd6b81a584dbdb"> 91</a></span> <a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> <a class="code hl_function" href="classgf_1_1_polygon.html#aff78c20fb2e56cf77bfd6b81a584dbdb">getSupport</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> direction) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#a8ab16960a8ac814c1e2235e1a6b929dd"> 103</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classgf_1_1_polygon.html#a8ab16960a8ac814c1e2235e1a6b929dd">isConvex</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#ad8ea9fb77bc3e7a5945c348820d33a6f"> 114</a></span> <a class="code hl_enumeration" href="group__core__geometry.html#ga834b7c90c6d90647e9ba10caad190efa">Winding</a> <a class="code hl_function" href="classgf_1_1_polygon.html#ad8ea9fb77bc3e7a5945c348820d33a6f">getWinding</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#a2550de6169b11a6eda36566f785c08a7"> 122</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classgf_1_1_polygon.html#a2550de6169b11a6eda36566f785c08a7">contains</a>(<a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> point) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#addfad1eaf807afd005d51099ed3b2bb4"> 131</a></span> <span class="keywordtype">float</span> <a class="code hl_function" href="classgf_1_1_polygon.html#addfad1eaf807afd005d51099ed3b2bb4">getArea</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#a0e7d08f5a65e75ccf995762934138ef2"> 139</a></span> <a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> <a class="code hl_function" href="classgf_1_1_polygon.html#a0e7d08f5a65e75ccf995762934138ef2">getPrevPoint</a>(std::size_t i) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classgf_1_1_polygon.html#adf9fe1cc0f5475619f67be070fb7ec15"> 147</a></span> <a class="code hl_class" href="structgf_1_1_vector.html">Vector2f</a> <a class="code hl_function" href="classgf_1_1_polygon.html#adf9fe1cc0f5475619f67be070fb7ec15">getNextPoint</a>(std::size_t i) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> };</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">inline</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"><a class="line" href="classgf_1_1_serializer.html#a3eaed0317aa440afe0ae5bb30ed8cba8"> 155</a></span> <a class="code hl_class" href="classgf_1_1_serializer.html">Serializer</a>& <a class="code hl_function" href="classgf_1_1_serializer.html#a3eaed0317aa440afe0ae5bb30ed8cba8">operator|</a>(<a class="code hl_class" href="classgf_1_1_serializer.html">Serializer</a>& ar, <span class="keyword">const</span> <a class="code hl_class" href="classgf_1_1_polygon.html">Polygon</a>& polygon) {</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> ar | <span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code hl_class" href="classgf_1_1_point_sequence.html">PointSequence</a>&<span class="keyword">></span>(polygon);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">inline</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"><a class="line" href="classgf_1_1_deserializer.html#a051a917be5ae785f729231583d235379"> 164</a></span> <a class="code hl_class" href="classgf_1_1_deserializer.html">Deserializer</a>& <a class="code hl_function" href="classgf_1_1_deserializer.html#a051a917be5ae785f729231583d235379">operator|</a>(<a class="code hl_class" href="classgf_1_1_deserializer.html">Deserializer</a>& ar, <a class="code hl_class" href="classgf_1_1_polygon.html">Polygon</a>& polygon) {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> ar | <span class="keyword">static_cast<</span><a class="code hl_class" href="classgf_1_1_point_sequence.html">PointSequence</a>&<span class="keyword">></span>(polygon);</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span>}</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span>}</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span><span class="preprocessor">#endif </span><span class="comment">// GF_POLYGON_H</span></div>
<div class="ttc" id="aclassgf_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:151</div></div>
<div class="ttc" id="aclassgf_1_1_deserializer_html_a051a917be5ae785f729231583d235379"><div class="ttname"><a href="classgf_1_1_deserializer.html#a051a917be5ae785f729231583d235379">gf::Deserializer::operator|</a></div><div class="ttdeci">Deserializer & operator|(Deserializer &ar, Polygon &polygon)</div><div class="ttdoc">Deserialize a polygon.</div><div class="ttdef"><b>Definition:</b> Polygon.h:164</div></div>
<div class="ttc" id="aclassgf_1_1_point_sequence_html"><div class="ttname"><a href="classgf_1_1_point_sequence.html">gf::PointSequence</a></div><div class="ttdoc">A sequence of points.</div><div class="ttdef"><b>Definition:</b> PointSequence.h:44</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html"><div class="ttname"><a href="classgf_1_1_polygon.html">gf::Polygon</a></div><div class="ttdoc">A convex polygon.</div><div class="ttdef"><b>Definition:</b> Polygon.h:47</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_a0e7d08f5a65e75ccf995762934138ef2"><div class="ttname"><a href="classgf_1_1_polygon.html#a0e7d08f5a65e75ccf995762934138ef2">gf::Polygon::getPrevPoint</a></div><div class="ttdeci">Vector2f getPrevPoint(std::size_t i) const</div><div class="ttdoc">Get the point before the i-th point.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_a1afe5d43ef0385b447950317454d3d47"><div class="ttname"><a href="classgf_1_1_polygon.html#a1afe5d43ef0385b447950317454d3d47">gf::Polygon::Polygon</a></div><div class="ttdeci">Polygon(Iterator first, Iterator last)</div><div class="ttdoc">Constructor from points.</div><div class="ttdef"><b>Definition:</b> Polygon.h:71</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_a1c879c09584585d19698834df21f6e00"><div class="ttname"><a href="classgf_1_1_polygon.html#a1c879c09584585d19698834df21f6e00">gf::Polygon::getSupport</a></div><div class="ttdeci">Vector2f getSupport(Vector2f direction, const Transform &transform) const</div><div class="ttdoc">Get the farthest point in a direction.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_a2550de6169b11a6eda36566f785c08a7"><div class="ttname"><a href="classgf_1_1_polygon.html#a2550de6169b11a6eda36566f785c08a7">gf::Polygon::contains</a></div><div class="ttdeci">bool contains(Vector2f point) const</div><div class="ttdoc">Test if a point is inside the polygon.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_a8ab16960a8ac814c1e2235e1a6b929dd"><div class="ttname"><a href="classgf_1_1_polygon.html#a8ab16960a8ac814c1e2235e1a6b929dd">gf::Polygon::isConvex</a></div><div class="ttdeci">bool isConvex() const</div><div class="ttdoc">Check if the polygon is convex.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_abe49d37ba28cb501c6b0538ff7a31598"><div class="ttname"><a href="classgf_1_1_polygon.html#abe49d37ba28cb501c6b0538ff7a31598">gf::Polygon::Polygon</a></div><div class="ttdeci">Polygon(Span< const Vector2f > points)</div><div class="ttdoc">Constructor from an array.</div><div class="ttdef"><b>Definition:</b> Polygon.h:59</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_ad8ea9fb77bc3e7a5945c348820d33a6f"><div class="ttname"><a href="classgf_1_1_polygon.html#ad8ea9fb77bc3e7a5945c348820d33a6f">gf::Polygon::getWinding</a></div><div class="ttdeci">Winding getWinding() const</div><div class="ttdoc">Compute the winding of a simple polygon.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_addfad1eaf807afd005d51099ed3b2bb4"><div class="ttname"><a href="classgf_1_1_polygon.html#addfad1eaf807afd005d51099ed3b2bb4">gf::Polygon::getArea</a></div><div class="ttdeci">float getArea() const</div><div class="ttdoc">Compute the area of the polygon.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_adf9fe1cc0f5475619f67be070fb7ec15"><div class="ttname"><a href="classgf_1_1_polygon.html#adf9fe1cc0f5475619f67be070fb7ec15">gf::Polygon::getNextPoint</a></div><div class="ttdeci">Vector2f getNextPoint(std::size_t i) const</div><div class="ttdoc">Get the point after the i-th point.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_af357de928fe5a18428e958ba807b2e71"><div class="ttname"><a href="classgf_1_1_polygon.html#af357de928fe5a18428e958ba807b2e71">gf::Polygon::Polygon</a></div><div class="ttdeci">Polygon()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="aclassgf_1_1_polygon_html_aff78c20fb2e56cf77bfd6b81a584dbdb"><div class="ttname"><a href="classgf_1_1_polygon.html#aff78c20fb2e56cf77bfd6b81a584dbdb">gf::Polygon::getSupport</a></div><div class="ttdeci">Vector2f getSupport(Vector2f direction) const</div><div class="ttdoc">Get the farthest point in a direction.</div></div>
<div class="ttc" id="aclassgf_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:43</div></div>
<div class="ttc" id="aclassgf_1_1_serializer_html_a3eaed0317aa440afe0ae5bb30ed8cba8"><div class="ttname"><a href="classgf_1_1_serializer.html#a3eaed0317aa440afe0ae5bb30ed8cba8">gf::Serializer::operator|</a></div><div class="ttdeci">Serializer & operator|(Serializer &ar, const Polygon &polygon)</div><div class="ttdoc">Serialize a polygon.</div><div class="ttdef"><b>Definition:</b> Polygon.h:155</div></div>
<div class="ttc" id="aclassgf_1_1_span_html"><div class="ttname"><a href="classgf_1_1_span.html">gf::Span</a></div><div class="ttdoc">A span.</div><div class="ttdef"><b>Definition:</b> Span.h:417</div></div>
<div class="ttc" id="agroup__core__geometry_html_ga834b7c90c6d90647e9ba10caad190efa"><div class="ttname"><a href="group__core__geometry.html#ga834b7c90c6d90647e9ba10caad190efa">gf::Winding</a></div><div class="ttdeci">Winding</div><div class="ttdoc">The direction of a polygon's rotation.</div><div class="ttdef"><b>Definition:</b> Winding.h:33</div></div>
<div class="ttc" id="agroup__core__geometry_html_gac4e4c75521a6691a917073fa54a99dcf"><div class="ttname"><a href="group__core__geometry.html#gac4e4c75521a6691a917073fa54a99dcf">gf::transform</a></div><div class="ttdeci">constexpr Vector2f transform(const Matrix3f &mat, Vector2f point)</div><div class="ttdoc">Apply an affine transformation to a 2D point.</div><div class="ttdef"><b>Definition:</b> Transform.h:326</div></div>
<div class="ttc" id="anamespacegf_html"><div class="ttname"><a href="namespacegf.html">gf</a></div><div class="ttdoc">The namespace for gf classes.</div></div>
<div class="ttc" id="astructgf_1_1_transform_html"><div class="ttname"><a href="structgf_1_1_transform.html">gf::Transform</a></div><div class="ttdoc">A simple transformation (rotation then translation)</div><div class="ttdef"><b>Definition:</b> Transform.h:203</div></div>
<div class="ttc" id="astructgf_1_1_vector_html"><div class="ttname"><a href="structgf_1_1_vector.html">gf::Vector< float, 2 ></a></div></div>
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