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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Gamedev Framework (gf): PostProcessing.h Source File</title>
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<div id="projectname">Gamedev Framework (gf)<span id="projectnumber"> 0.21.0</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">PostProcessing.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) 2016-2021 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_POST_PROCESSING_H</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#define GF_POST_PROCESSING_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 "Drawable.h"</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "GraphicsApi.h"</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "Rect.h"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "Vertex.h"</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacegf.html">gf</a> {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">inline</span> <span class="keyword">namespace </span>v1 {</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">class </span>Effect;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">class </span><a class="code hl_enumvalue" href="group__graphics__gpu.html#ggaf345882cbbc4e834ec38715ef1cb0c2baa3e8ae43188ae76d38f414b2bdb0077b">Texture</a>;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00046" 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_GRAPHICS_API <a class="code hl_class" href="classgf_1_1_post_processing.html">PostProcessing</a> : <span class="keyword">public</span> <a class="code hl_class" href="classgf_1_1_drawable.html">Drawable</a> {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html#a8e776043888740f8a896e6ea4d8085ec"> 51</a></span> <a class="code hl_function" href="classgf_1_1_post_processing.html#a8e776043888740f8a896e6ea4d8085ec">PostProcessing</a>();</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html#a10aacae6823a55ce81519c18a6f494a4"> 58</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_post_processing.html#a10aacae6823a55ce81519c18a6f494a4">setTexture</a>(<span class="keyword">const</span> <a class="code hl_class" href="classgf_1_1_texture.html">Texture</a>& texture);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html#ad597b746976435dad84fc400ed4f86ff"> 65</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_post_processing.html#ad597b746976435dad84fc400ed4f86ff">setTextureRect</a>(<span class="keyword">const</span> <a class="code hl_class" href="structgf_1_1_rect.html">RectF</a>& textureRect);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00072" 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 hl_function" href="classgf_1_1_post_processing.html#a608d4c322024b2895b040113491480e3">setEffect</a>(<a class="code hl_class" href="classgf_1_1_effect.html">Effect</a>& effect) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> m_effect = &effect;</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="l00076" name="l00076"></a><span class="lineno"><a class="line" href="classgf_1_1_post_processing.html#a770345de8b7347019c6b00cf9de7f062"> 76</a></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code hl_function" href="classgf_1_1_post_processing.html#a770345de8b7347019c6b00cf9de7f062">draw</a>(<a class="code hl_class" href="classgf_1_1_render_target.html">RenderTarget</a>& target, <span class="keyword">const</span> <a class="code hl_struct" href="structgf_1_1_render_states.html">RenderStates</a>& states) <span class="keyword">override</span>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">void</span> updatePositions();</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">void</span> updateTexCoords();</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> <a class="code hl_class" href="classgf_1_1_texture.html">Texture</a> *m_texture;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_class" href="structgf_1_1_rect.html">RectF</a> m_textureRect;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <a class="code hl_class" href="classgf_1_1_effect.html">Effect</a> *m_effect;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <a class="code hl_struct" href="structgf_1_1_vertex.html">Vertex</a> m_vertices[4];</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> };</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>}</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>}</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span><span class="preprocessor">#endif </span><span class="comment">// GF_POST_PROCESSING_H</span></div>
<div class="ttc" id="aclassgf_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:57</div></div>
<div class="ttc" id="aclassgf_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="aclassgf_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="aclassgf_1_1_post_processing_html_a10aacae6823a55ce81519c18a6f494a4"><div class="ttname"><a href="classgf_1_1_post_processing.html#a10aacae6823a55ce81519c18a6f494a4">gf::PostProcessing::setTexture</a></div><div class="ttdeci">void setTexture(const Texture &texture)</div><div class="ttdoc">Set the source texture.</div></div>
<div class="ttc" id="aclassgf_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>
<div class="ttc" id="aclassgf_1_1_post_processing_html_a770345de8b7347019c6b00cf9de7f062"><div class="ttname"><a href="classgf_1_1_post_processing.html#a770345de8b7347019c6b00cf9de7f062">gf::PostProcessing::draw</a></div><div class="ttdeci">virtual void draw(RenderTarget &target, const RenderStates &states) override</div><div class="ttdoc">Draw the object to a render target.</div></div>
<div class="ttc" id="aclassgf_1_1_post_processing_html_a8e776043888740f8a896e6ea4d8085ec"><div class="ttname"><a href="classgf_1_1_post_processing.html#a8e776043888740f8a896e6ea4d8085ec">gf::PostProcessing::PostProcessing</a></div><div class="ttdeci">PostProcessing()</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="aclassgf_1_1_post_processing_html_ad597b746976435dad84fc400ed4f86ff"><div class="ttname"><a href="classgf_1_1_post_processing.html#ad597b746976435dad84fc400ed4f86ff">gf::PostProcessing::setTextureRect</a></div><div class="ttdeci">void setTextureRect(const RectF &textureRect)</div><div class="ttdoc">Set the texture rectangle.</div></div>
<div class="ttc" id="aclassgf_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:102</div></div>
<div class="ttc" id="aclassgf_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:313</div></div>
<div class="ttc" id="agroup__graphics__gpu_html_ggaf345882cbbc4e834ec38715ef1cb0c2baa3e8ae43188ae76d38f414b2bdb0077b"><div class="ttname"><a href="group__graphics__gpu.html#ggaf345882cbbc4e834ec38715ef1cb0c2baa3e8ae43188ae76d38f414b2bdb0077b">gf::GraphicsTag::Texture</a></div><div class="ttdeci">@ Texture</div><div class="ttdoc">A GPU texture.</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 class="ttdef"><b>Definition:</b> Action.h:35</div></div>
<div class="ttc" id="astructgf_1_1_rect_html"><div class="ttname"><a href="structgf_1_1_rect.html">gf::Rect< float ></a></div></div>
<div class="ttc" id="astructgf_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="astructgf_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>
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