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<title>Gamedev Framework (gf): Font.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)
 <span id="projectnumber">0.15.0</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">Font.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="comment"> * Part of this file comes from SFML, with the same license:</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * Copyright (C) 2007-2015 Laurent Gomila ([email protected])</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef GF_FONT_H</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define GF_FONT_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "Path.h"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "Portability.h"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "Texture.h"</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span><a class="code" href="namespacegf.html">gf</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>InputStream;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structgf_1_1_glyph.html"> 57</a></span>  <span class="keyword">struct </span>GF_API <a class="code" href="structgf_1_1_glyph.html">Glyph</a> {</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structgf_1_1_glyph.html#a3ff547d59acaebd966a0f42960d3450a"> 58</a></span>  <a class="code" href="structgf_1_1_rect.html">RectF</a> <a class="code" href="structgf_1_1_glyph.html#a3ff547d59acaebd966a0f42960d3450a">bounds</a>; </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structgf_1_1_glyph.html#a1fc7db4f91420f1fdaa73466b7dc0dec"> 59</a></span>  <a class="code" href="structgf_1_1_rect.html">RectF</a> <a class="code" href="structgf_1_1_glyph.html#a1fc7db4f91420f1fdaa73466b7dc0dec">textureRect</a>; </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structgf_1_1_glyph.html#a7f6801d49b577a3a23c6a3ae6e69a5aa"> 60</a></span>  <span class="keywordtype">float</span> advance = 0.0f; </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  };</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classgf_1_1_font.html"> 109</a></span>  <span class="keyword">class </span>GF_API <a class="code" href="classgf_1_1_font.html">Font</a> {</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classgf_1_1_font.html">Font</a>();</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classgf_1_1_font.html">Font</a>(<span class="keyword">const</span> <a class="code" href="group__core.html#ga6788e40b762777c1081f796076116a02">Path</a>& filename);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classgf_1_1_font.html">Font</a>(<a class="code" href="classgf_1_1_input_stream.html">InputStream</a>& stream);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="classgf_1_1_font.html">Font</a>(<a class="code" href="classgf_1_1_array_ref.html">ArrayRef<uint8_t></a> content);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  ~<a class="code" href="classgf_1_1_font.html">Font</a>();</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="classgf_1_1_font.html">Font</a>(<span class="keyword">const</span> <a class="code" href="classgf_1_1_font.html">Font</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="classgf_1_1_font.html">Font</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgf_1_1_font.html">Font</a>&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="classgf_1_1_font.html">Font</a>(<a class="code" href="classgf_1_1_font.html">Font</a>&& other) noexcept;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="classgf_1_1_font.html">Font</a>& operator=(<a class="code" href="classgf_1_1_font.html">Font</a>&& other) noexcept;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> <a class="code" href="structgf_1_1_glyph.html">Glyph</a>& getGlyph(char32_t codepoint, <span class="keywordtype">unsigned</span> characterSize, <span class="keywordtype">float</span> outlineThickness = 0.0f);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordtype">float</span> getKerning(char32_t left, char32_t right, <span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">float</span> getLineSpacing(<span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> <a class="code" href="classgf_1_1_alpha_texture.html">AlphaTexture</a> *getTexture(<span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">void</span> generateTexture(<span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">struct </span>Packing {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">int</span> top = 0;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordtype">int</span> bottom = 0;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">int</span> right = 0;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  };</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">struct </span>GlyphCache {</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="classgf_1_1_alpha_texture.html">AlphaTexture</a> texture;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::map<uint64_t, Glyph> glyphs;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  Packing packing;</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  };</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  GlyphCache createCache(<span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="structgf_1_1_glyph.html">Glyph</a> createGlyph(char32_t codepoint, <span class="keywordtype">unsigned</span> characterSize, <span class="keywordtype">float</span> outlineThickness, GlyphCache& cache);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">bool</span> setCurrentCharacterSize(<span class="keywordtype">unsigned</span> characterSize);</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordtype">void</span> *m_library;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">void</span> *m_stroker;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">void</span> *m_face;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordtype">unsigned</span> m_currentCharacterSize;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  std::map<unsigned, GlyphCache> m_cache;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  };</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#endif // GF_FONT_H</span></div><div class="ttc" id="structgf_1_1_glyph_html"><div class="ttname"><a href="structgf_1_1_glyph.html">gf::Glyph</a></div><div class="ttdoc">A glyph. </div><div class="ttdef"><b>Definition:</b> Font.h:57</div></div>
<div class="ttc" id="structgf_1_1_glyph_html_a3ff547d59acaebd966a0f42960d3450a"><div class="ttname"><a href="structgf_1_1_glyph.html#a3ff547d59acaebd966a0f42960d3450a">gf::Glyph::bounds</a></div><div class="ttdeci">RectF bounds</div><div class="ttdoc">Bouding rectangle of the glyph, in coordinates relative to the baseline. </div><div class="ttdef"><b>Definition:</b> Font.h:58</div></div>
<div class="ttc" id="structgf_1_1_rect_html"><div class="ttname"><a href="structgf_1_1_rect.html">gf::Rect< float ></a></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_input_stream_html"><div class="ttname"><a href="classgf_1_1_input_stream.html">gf::InputStream</a></div><div class="ttdoc">Abstract class for custom file input streams. </div><div class="ttdef"><b>Definition:</b> Stream.h:54</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< uint8_t ></a></div></div>
<div class="ttc" id="classgf_1_1_font_html"><div class="ttname"><a href="classgf_1_1_font.html">gf::Font</a></div><div class="ttdoc">A character font. </div><div class="ttdef"><b>Definition:</b> Font.h:109</div></div>
<div class="ttc" id="structgf_1_1_glyph_html_a1fc7db4f91420f1fdaa73466b7dc0dec"><div class="ttname"><a href="structgf_1_1_glyph.html#a1fc7db4f91420f1fdaa73466b7dc0dec">gf::Glyph::textureRect</a></div><div class="ttdeci">RectF textureRect</div><div class="ttdoc">Texture coordinates of the glyph inside the font&#39;s texture. </div><div class="ttdef"><b>Definition:</b> Font.h:59</div></div>
<div class="ttc" id="group__core_html_ga6788e40b762777c1081f796076116a02"><div class="ttname"><a href="group__core.html#ga6788e40b762777c1081f796076116a02">gf::Path</a></div><div class="ttdeci">boost::filesystem::path Path</div><div class="ttdoc">A path in the filesystem. </div><div class="ttdef"><b>Definition:</b> Path.h:44</div></div>
<div class="ttc" id="classgf_1_1_alpha_texture_html"><div class="ttname"><a href="classgf_1_1_alpha_texture.html">gf::AlphaTexture</a></div><div class="ttdoc">A texture with a single alpha channel. </div><div class="ttdef"><b>Definition:</b> Texture.h:383</div></div>
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