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<div id="projectname">Gamedev Framework (gf)
 <span id="projectnumber">0.12.0</span>
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<div id="projectbrief">A C++14 framework for 2D games</div>
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<div class="title">PostProcessing.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_POST_PROCESSING_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GF_POST_PROCESSING_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 "Drawable.h"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "Portability.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "Rect.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "Vertex.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespacegf.html">gf</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#endif</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">class </span>Effect;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">class </span>Texture;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html"> 46</a></span>  <span class="keyword">class </span>GF_API <a class="code" href="classgf_1_1_post_processing.html">PostProcessing</a> : <span class="keyword">public</span> <a class="code" href="classgf_1_1_drawable.html">Drawable</a> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classgf_1_1_post_processing.html">PostProcessing</a>();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> setTexture(<span class="keyword">const</span> <a class="code" href="classgf_1_1_texture.html">Texture</a>& texture);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> setTextureRect(<span class="keyword">const</span> <a class="code" href="structgf_1_1_rect.html">RectF</a>& textureRect);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html#a608d4c322024b2895b040113491480e3"> 72</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgf_1_1_post_processing.html#a608d4c322024b2895b040113491480e3">setEffect</a>(<a class="code" href="classgf_1_1_effect.html">Effect</a>& effect) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  m_effect = &effect;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> draw(<a class="code" href="classgf_1_1_render_target.html">RenderTarget</a>& target, <span class="keyword">const</span> <a class="code" href="structgf_1_1_render_states.html">RenderStates</a>& states) <span class="keyword">override</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> updatePositions();</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> updateTexCoords();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <a class="code" href="classgf_1_1_texture.html">Texture</a> *m_texture;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="structgf_1_1_rect.html">RectF</a> m_textureRect;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classgf_1_1_effect.html">Effect</a> *m_effect;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="structgf_1_1_vertex.html">Vertex</a> m_vertices[4];</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  };</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></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> <span class="preprocessor">#endif</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="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif // GF_POST_PROCESSING_H</span></div><div class="ttc" id="classgf_1_1_render_target_html"><div class="ttname"><a href="classgf_1_1_render_target.html">gf::RenderTarget</a></div><div class="ttdoc">Base class for all render targets (window, texture, ...) </div><div class="ttdef"><b>Definition:</b> RenderTarget.h:66</div></div>
<div class="ttc" id="structgf_1_1_render_states_html"><div class="ttname"><a href="structgf_1_1_render_states.html">gf::RenderStates</a></div><div class="ttdoc">Define the states used for drawing to a RenderTarget. </div><div class="ttdef"><b>Definition:</b> RenderStates.h:82</div></div>
<div class="ttc" id="structgf_1_1_vertex_html"><div class="ttname"><a href="structgf_1_1_vertex.html">gf::Vertex</a></div><div class="ttdoc">A point associated with a color and a texture coordinate. </div><div class="ttdef"><b>Definition:</b> Vertex.h:75</div></div>
<div class="ttc" id="classgf_1_1_drawable_html"><div class="ttname"><a href="classgf_1_1_drawable.html">gf::Drawable</a></div><div class="ttdoc">Abstract base class for objects that can be drawn to a render window. </div><div class="ttdef"><b>Definition:</b> Drawable.h:79</div></div>
<div class="ttc" id="classgf_1_1_texture_html"><div class="ttname"><a href="classgf_1_1_texture.html">gf::Texture</a></div><div class="ttdoc">A texture for colored images. </div><div class="ttdef"><b>Definition:</b> Texture.h:339</div></div>
<div class="ttc" id="classgf_1_1_post_processing_html"><div class="ttname"><a href="classgf_1_1_post_processing.html">gf::PostProcessing</a></div><div class="ttdoc">A post-processing drawable. </div><div class="ttdef"><b>Definition:</b> PostProcessing.h:46</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_effect_html"><div class="ttname"><a href="classgf_1_1_effect.html">gf::Effect</a></div><div class="ttdoc">A post-processing effect. </div><div class="ttdef"><b>Definition:</b> Effect.h:38</div></div>
<div class="ttc" id="classgf_1_1_post_processing_html_a608d4c322024b2895b040113491480e3"><div class="ttname"><a href="classgf_1_1_post_processing.html#a608d4c322024b2895b040113491480e3">gf::PostProcessing::setEffect</a></div><div class="ttdeci">void setEffect(Effect &effect)</div><div class="ttdoc">Set the effect to apply. </div><div class="ttdef"><b>Definition:</b> PostProcessing.h:72</div></div>
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