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<li class="navelem"><a class="el" href="namespacesf.html">sf</a></li><li class="navelem"><a class="el" href="structsf_1_1BlendMode.html">BlendMode</a></li> </ul>
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<div class="headertitle"><div class="title">sf::BlendMode Class Reference<div class="ingroups"><a class="el" href="group__graphics.html">Graphics module</a></div></div></div>
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<p>Blending modes for drawing.
<a href="#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="BlendMode_8hpp_source.html">SFML/Graphics/BlendMode.hpp</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-types" name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:afb9852caf356b53bb0de460c58a9ebbb" id="r_afb9852caf356b53bb0de460c58a9ebbb"><td class="memItemLeft" align="right" valign="top">enum class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> { <br />
&#160;&#160;<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbad7ed4ee1df437474d005188535f74875">Zero</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba06c2cea18679d64399783748fa367bdd">One</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba2ad714e29d37896d79187312086bc6fe">SrcColor</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba09d3240b4e2481b1a729da24e9bfddf7">OneMinusSrcColor</a>
, <br />
&#160;&#160;<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbafaedf511c99a5461048fd6a3b73da26c">DstColor</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba09f1a054ebd4d3850fd248bd2fa7b325">OneMinusDstColor</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbad5c7b7f0102df3f7305c43f73fc3a498">SrcAlpha</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbac00a6016489cff63d50d489ce52254cc">OneMinusSrcAlpha</a>
, <br />
&#160;&#160;<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbaf72dbe2436b38a39e5927ed644e6818b">DstAlpha</a>
, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba4132e4b87a8d461be2c6ee8fc620cfb2">OneMinusDstAlpha</a>
<br />
}</td></tr>
<tr class="memdesc:afb9852caf356b53bb0de460c58a9ebbb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enumeration of the blending factors. <a href="#afb9852caf356b53bb0de460c58a9ebbb">More...</a><br /></td></tr>
<tr class="separator:afb9852caf356b53bb0de460c58a9ebbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7bce470e2e384c4f9c8d9595faef7c32" id="r_a7bce470e2e384c4f9c8d9595faef7c32"><td class="memItemLeft" align="right" valign="top">enum class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> { <br />
&#160;&#160;<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">Add</a>
, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32a1d9baf077ee87921f57a8fe42d510b65">Subtract</a>
, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32abd5458190996e76988cb2f27a820c685">ReverseSubtract</a>
, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32a78d811e98514cd165dda532286610fd2">Min</a>
, <br />
&#160;&#160;<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32a6a061313d22e51e0f25b7cd4dc065233">Max</a>
<br />
}</td></tr>
<tr class="memdesc:a7bce470e2e384c4f9c8d9595faef7c32"><td class="mdescLeft">&#160;</td><td class="mdescRight">Enumeration of the blending equations. <a href="#a7bce470e2e384c4f9c8d9595faef7c32">More...</a><br /></td></tr>
<tr class="separator:a7bce470e2e384c4f9c8d9595faef7c32"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4bb8a066a2d88e7c18e9e7fe04008d98" id="r_a4bb8a066a2d88e7c18e9e7fe04008d98"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a4bb8a066a2d88e7c18e9e7fe04008d98">BlendMode</a> ()=default</td></tr>
<tr class="memdesc:a4bb8a066a2d88e7c18e9e7fe04008d98"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default constructor. <br /></td></tr>
<tr class="separator:a4bb8a066a2d88e7c18e9e7fe04008d98"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6ca312911698dcdf0994c2f5c0b65dfe" id="r_a6ca312911698dcdf0994c2f5c0b65dfe"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a6ca312911698dcdf0994c2f5c0b65dfe">BlendMode</a> (<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> sourceFactor, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> destinationFactor, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> blendEquation=<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">Equation::Add</a>)</td></tr>
<tr class="memdesc:a6ca312911698dcdf0994c2f5c0b65dfe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct the blend mode given the factors and equation. <br /></td></tr>
<tr class="separator:a6ca312911698dcdf0994c2f5c0b65dfe"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a69a12c596114e77126616e7e0f7d798b" id="r_a69a12c596114e77126616e7e0f7d798b"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a69a12c596114e77126616e7e0f7d798b">BlendMode</a> (<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> colorSourceFactor, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> colorDestinationFactor, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> colorBlendEquation, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> alphaSourceFactor, <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> alphaDestinationFactor, <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> alphaBlendEquation)</td></tr>
<tr class="memdesc:a69a12c596114e77126616e7e0f7d798b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct the blend mode given the factors and equation. <br /></td></tr>
<tr class="separator:a69a12c596114e77126616e7e0f7d798b"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a32d1a55dbfada86a06d9b881dc8ccf7b" id="r_a32d1a55dbfada86a06d9b881dc8ccf7b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a32d1a55dbfada86a06d9b881dc8ccf7b">colorSrcFactor</a> {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbad5c7b7f0102df3f7305c43f73fc3a498">BlendMode::Factor::SrcAlpha</a>}</td></tr>
<tr class="memdesc:a32d1a55dbfada86a06d9b881dc8ccf7b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Source blending factor for the color channels. <br /></td></tr>
<tr class="separator:a32d1a55dbfada86a06d9b881dc8ccf7b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adee68ee59e7f1bf71d12db03d251104d" id="r_adee68ee59e7f1bf71d12db03d251104d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#adee68ee59e7f1bf71d12db03d251104d">colorDstFactor</a> {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbac00a6016489cff63d50d489ce52254cc">BlendMode::Factor::OneMinusSrcAlpha</a>}</td></tr>
<tr class="memdesc:adee68ee59e7f1bf71d12db03d251104d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destination blending factor for the color channels. <br /></td></tr>
<tr class="separator:adee68ee59e7f1bf71d12db03d251104d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aed12f06eb7f50a1b95b892b0964857b1" id="r_aed12f06eb7f50a1b95b892b0964857b1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aed12f06eb7f50a1b95b892b0964857b1">colorEquation</a> {<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">BlendMode::Equation::Add</a>}</td></tr>
<tr class="memdesc:aed12f06eb7f50a1b95b892b0964857b1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blending equation for the color channels. <br /></td></tr>
<tr class="separator:aed12f06eb7f50a1b95b892b0964857b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa94e44f8e1042a7357e8eff78c61a1be" id="r_aa94e44f8e1042a7357e8eff78c61a1be"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa94e44f8e1042a7357e8eff78c61a1be">alphaSrcFactor</a> {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba06c2cea18679d64399783748fa367bdd">BlendMode::Factor::One</a>}</td></tr>
<tr class="memdesc:aa94e44f8e1042a7357e8eff78c61a1be"><td class="mdescLeft">&#160;</td><td class="mdescRight">Source blending factor for the alpha channel. <br /></td></tr>
<tr class="separator:aa94e44f8e1042a7357e8eff78c61a1be"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaf85b6b7943181cc81745569c4851e4e" id="r_aaf85b6b7943181cc81745569c4851e4e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aaf85b6b7943181cc81745569c4851e4e">alphaDstFactor</a> {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbac00a6016489cff63d50d489ce52254cc">BlendMode::Factor::OneMinusSrcAlpha</a>}</td></tr>
<tr class="memdesc:aaf85b6b7943181cc81745569c4851e4e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destination blending factor for the alpha channel. <br /></td></tr>
<tr class="separator:aaf85b6b7943181cc81745569c4851e4e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a68f5a305e0912946f39ba6c9265710c4" id="r_a68f5a305e0912946f39ba6c9265710c4"><td class="memItemLeft" align="right" valign="top"><a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a68f5a305e0912946f39ba6c9265710c4">alphaEquation</a> {<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">BlendMode::Equation::Add</a>}</td></tr>
<tr class="memdesc:a68f5a305e0912946f39ba6c9265710c4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blending equation for the alpha channel. <br /></td></tr>
<tr class="separator:a68f5a305e0912946f39ba6c9265710c4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Related Symbols</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member symbols.) </p>
</td></tr>
<tr class="memitem:a20d1be06061109c3cef58e0cc38729ea" id="r_a20d1be06061109c3cef58e0cc38729ea"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a20d1be06061109c3cef58e0cc38729ea">operator==</a> (const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;left, const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;right)</td></tr>
<tr class="memdesc:a20d1be06061109c3cef58e0cc38729ea"><td class="mdescLeft">&#160;</td><td class="mdescRight">Overload of the <code>operator==</code> <br /></td></tr>
<tr class="separator:a20d1be06061109c3cef58e0cc38729ea"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aee6169f8983f5e92298c4ad6829563ba" id="r_aee6169f8983f5e92298c4ad6829563ba"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aee6169f8983f5e92298c4ad6829563ba">operator!=</a> (const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;left, const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;right)</td></tr>
<tr class="memdesc:aee6169f8983f5e92298c4ad6829563ba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Overload of the <code>operator!=</code> <br /></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Blending modes for drawing. </p>
<p><code><a class="el" href="structsf_1_1BlendMode.html" title="Blending modes for drawing.">sf::BlendMode</a></code> is a class that represents a blend mode.</p>
<p>A blend mode determines how the colors of an object you draw are mixed with the colors that are already in the buffer.</p>
<p>The class is composed of 6 components, each of which has its own public member variable: </p><ul>
<li>Color Source Factor (<a class="el" href="#a32d1a55dbfada86a06d9b881dc8ccf7b">colorSrcFactor</a>) </li>
<li>Color Destination Factor (<a class="el" href="#adee68ee59e7f1bf71d12db03d251104d">colorDstFactor</a>) </li>
<li>Color Blend Equation (<a class="el" href="#aed12f06eb7f50a1b95b892b0964857b1">colorEquation</a>) </li>
<li>Alpha Source Factor (<a class="el" href="#aa94e44f8e1042a7357e8eff78c61a1be">alphaSrcFactor</a>) </li>
<li>Alpha Destination Factor (<a class="el" href="#aaf85b6b7943181cc81745569c4851e4e">alphaDstFactor</a>) </li>
<li>Alpha Blend Equation (<a class="el" href="#a68f5a305e0912946f39ba6c9265710c4">alphaEquation</a>)</li>
</ul>
<p>The source factor specifies how the pixel you are drawing contributes to the final color. The destination factor specifies how the pixel already drawn in the buffer contributes to the final color.</p>
<p>The color channels RGB (red, green, blue; simply referred to as color) and A (alpha; the transparency) can be treated separately. This separation can be useful for specific blend modes, but most often you won't need it and will simply treat the color as a single unit.</p>
<p>The blend factors and equations correspond to their OpenGL equivalents. In general, the color of the resulting pixel is calculated according to the following formula (<code>src</code> is the color of the source pixel, <code>dst</code> the color of the destination pixel, the other variables correspond to the public members, with the equations being + or - operators): </p><div class="fragment"><div class="line">dst.rgb = <a class="code hl_variable" href="#a32d1a55dbfada86a06d9b881dc8ccf7b">colorSrcFactor</a> * src.rgb (<a class="code hl_variable" href="#aed12f06eb7f50a1b95b892b0964857b1">colorEquation</a>) <a class="code hl_variable" href="#adee68ee59e7f1bf71d12db03d251104d">colorDstFactor</a> * dst.rgb</div>
<div class="line">dst.a = <a class="code hl_variable" href="#aa94e44f8e1042a7357e8eff78c61a1be">alphaSrcFactor</a> * src.a (<a class="code hl_variable" href="#a68f5a305e0912946f39ba6c9265710c4">alphaEquation</a>) <a class="code hl_variable" href="#aaf85b6b7943181cc81745569c4851e4e">alphaDstFactor</a> * dst.a</div>
<div class="ttc" id="astructsf_1_1BlendMode_html_a32d1a55dbfada86a06d9b881dc8ccf7b"><div class="ttname"><a href="#a32d1a55dbfada86a06d9b881dc8ccf7b">sf::BlendMode::colorSrcFactor</a></div><div class="ttdeci">Factor colorSrcFactor</div><div class="ttdoc">Source blending factor for the color channels.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00119">BlendMode.hpp:119</a></div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html_a68f5a305e0912946f39ba6c9265710c4"><div class="ttname"><a href="#a68f5a305e0912946f39ba6c9265710c4">sf::BlendMode::alphaEquation</a></div><div class="ttdeci">Equation alphaEquation</div><div class="ttdoc">Blending equation for the alpha channel.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00124">BlendMode.hpp:124</a></div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html_aa94e44f8e1042a7357e8eff78c61a1be"><div class="ttname"><a href="#aa94e44f8e1042a7357e8eff78c61a1be">sf::BlendMode::alphaSrcFactor</a></div><div class="ttdeci">Factor alphaSrcFactor</div><div class="ttdoc">Source blending factor for the alpha channel.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00122">BlendMode.hpp:122</a></div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html_aaf85b6b7943181cc81745569c4851e4e"><div class="ttname"><a href="#aaf85b6b7943181cc81745569c4851e4e">sf::BlendMode::alphaDstFactor</a></div><div class="ttdeci">Factor alphaDstFactor</div><div class="ttdoc">Destination blending factor for the alpha channel.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00123">BlendMode.hpp:123</a></div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html_adee68ee59e7f1bf71d12db03d251104d"><div class="ttname"><a href="#adee68ee59e7f1bf71d12db03d251104d">sf::BlendMode::colorDstFactor</a></div><div class="ttdeci">Factor colorDstFactor</div><div class="ttdoc">Destination blending factor for the color channels.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00120">BlendMode.hpp:120</a></div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html_aed12f06eb7f50a1b95b892b0964857b1"><div class="ttname"><a href="#aed12f06eb7f50a1b95b892b0964857b1">sf::BlendMode::colorEquation</a></div><div class="ttdeci">Equation colorEquation</div><div class="ttdoc">Blending equation for the color channels.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00121">BlendMode.hpp:121</a></div></div>
</div><!-- fragment --><p> All factors and colors are represented as floating point numbers between 0 and 1. Where necessary, the result is clamped to fit in that range.</p>
<p>The most common blending modes are defined as constants in the sf namespace:</p>
<div class="fragment"><div class="line"><a class="code hl_class" href="structsf_1_1BlendMode.html">sf::BlendMode</a> alphaBlending = <a class="code hl_variable" href="namespacesf.html#a3d4548be9621e2fcfe187b3cb59f6f53">sf::BlendAlpha</a>;</div>
<div class="line"><a class="code hl_class" href="structsf_1_1BlendMode.html">sf::BlendMode</a> additiveBlending = <a class="code hl_variable" href="namespacesf.html#a519b69f28b0d5f1cd65b8d3d7b94e13c">sf::BlendAdd</a>;</div>
<div class="line"><a class="code hl_class" href="structsf_1_1BlendMode.html">sf::BlendMode</a> multiplicativeBlending = <a class="code hl_variable" href="namespacesf.html#ad451e51fcecccb331fb3238aea54c8e2">sf::BlendMultiply</a>;</div>
<div class="line"><a class="code hl_class" href="structsf_1_1BlendMode.html">sf::BlendMode</a> noBlending = <a class="code hl_variable" href="namespacesf.html#a9286f4004890232f7ba3853e40162284">sf::BlendNone</a>;</div>
<div class="ttc" id="anamespacesf_html_a3d4548be9621e2fcfe187b3cb59f6f53"><div class="ttname"><a href="namespacesf.html#a3d4548be9621e2fcfe187b3cb59f6f53">sf::BlendAlpha</a></div><div class="ttdeci">const BlendMode BlendAlpha</div><div class="ttdoc">Blend source and dest according to dest alpha.</div></div>
<div class="ttc" id="anamespacesf_html_a519b69f28b0d5f1cd65b8d3d7b94e13c"><div class="ttname"><a href="namespacesf.html#a519b69f28b0d5f1cd65b8d3d7b94e13c">sf::BlendAdd</a></div><div class="ttdeci">const BlendMode BlendAdd</div><div class="ttdoc">Add source to dest.</div></div>
<div class="ttc" id="anamespacesf_html_a9286f4004890232f7ba3853e40162284"><div class="ttname"><a href="namespacesf.html#a9286f4004890232f7ba3853e40162284">sf::BlendNone</a></div><div class="ttdeci">const BlendMode BlendNone</div><div class="ttdoc">Overwrite dest with source.</div></div>
<div class="ttc" id="anamespacesf_html_ad451e51fcecccb331fb3238aea54c8e2"><div class="ttname"><a href="namespacesf.html#ad451e51fcecccb331fb3238aea54c8e2">sf::BlendMultiply</a></div><div class="ttdeci">const BlendMode BlendMultiply</div><div class="ttdoc">Multiply source and dest.</div></div>
<div class="ttc" id="astructsf_1_1BlendMode_html"><div class="ttname"><a href="structsf_1_1BlendMode.html">sf::BlendMode</a></div><div class="ttdoc">Blending modes for drawing.</div><div class="ttdef"><b>Definition</b> <a href="BlendMode_8hpp_source.html#l00040">BlendMode.hpp:41</a></div></div>
</div><!-- fragment --><p>In SFML, a blend mode can be specified every time you draw a <code><a class="el" href="classsf_1_1Drawable.html" title="Abstract base class for objects that can be drawn to a render target.">sf::Drawable</a></code> object to a render target. It is part of the <code><a class="el" href="structsf_1_1RenderStates.html" title="Define the states used for drawing to a RenderTarget">sf::RenderStates</a></code> compound that is passed to the member function <code><a class="el" href="classsf_1_1RenderTarget.html#a12417a3bcc245c41d957b29583556f39" title="Draw a drawable object to the render target.">sf::RenderTarget::draw()</a></code>.</p>
<dl class="section see"><dt>See also</dt><dd><code><a class="el" href="structsf_1_1RenderStates.html" title="Define the states used for drawing to a RenderTarget">sf::RenderStates</a></code>, <code><a class="el" href="classsf_1_1RenderTarget.html" title="Base class for all render targets (window, texture, ...)">sf::RenderTarget</a></code> </dd></dl>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00040">40</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a7bce470e2e384c4f9c8d9595faef7c32">&#9670;&#160;</a></span>Equation</h2>
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<td class="memname">enum class <a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">sf::BlendMode::Equation</a></td>
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<p>Enumeration of the blending equations. </p>
<p>The equations are mapped directly to their OpenGL equivalents, specified by glBlendEquation() or glBlendEquationSeparate(). </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9" name="a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9"></a>Add&#160;</td><td class="fielddoc"><p>Pixel = Src * SrcFactor + Dst * DstFactor. </p>
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<tr><td class="fieldname"><a id="a7bce470e2e384c4f9c8d9595faef7c32a1d9baf077ee87921f57a8fe42d510b65" name="a7bce470e2e384c4f9c8d9595faef7c32a1d9baf077ee87921f57a8fe42d510b65"></a>Subtract&#160;</td><td class="fielddoc"><p>Pixel = Src * SrcFactor - Dst * DstFactor. </p>
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<tr><td class="fieldname"><a id="a7bce470e2e384c4f9c8d9595faef7c32abd5458190996e76988cb2f27a820c685" name="a7bce470e2e384c4f9c8d9595faef7c32abd5458190996e76988cb2f27a820c685"></a>ReverseSubtract&#160;</td><td class="fielddoc"><p>Pixel = Dst * DstFactor - Src * SrcFactor. </p>
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<tr><td class="fieldname"><a id="a7bce470e2e384c4f9c8d9595faef7c32a78d811e98514cd165dda532286610fd2" name="a7bce470e2e384c4f9c8d9595faef7c32a78d811e98514cd165dda532286610fd2"></a>Min&#160;</td><td class="fielddoc"><p>Pixel = min(Dst, Src) </p>
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<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00068">68</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<td class="memname">enum class <a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">sf::BlendMode::Factor</a></td>
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<p>Enumeration of the blending factors. </p>
<p>The factors are mapped directly to their OpenGL equivalents, specified by glBlendFunc() or glBlendFuncSeparate(). </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="afb9852caf356b53bb0de460c58a9ebbbad7ed4ee1df437474d005188535f74875" name="afb9852caf356b53bb0de460c58a9ebbbad7ed4ee1df437474d005188535f74875"></a>Zero&#160;</td><td class="fielddoc"><p>(0, 0, 0, 0) </p>
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<tr><td class="fieldname"><a id="afb9852caf356b53bb0de460c58a9ebbba09d3240b4e2481b1a729da24e9bfddf7" name="afb9852caf356b53bb0de460c58a9ebbba09d3240b4e2481b1a729da24e9bfddf7"></a>OneMinusSrcColor&#160;</td><td class="fielddoc"><p>(1, 1, 1, 1) - (src.r, src.g, src.b, src.a) </p>
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<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00048">48</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a4bb8a066a2d88e7c18e9e7fe04008d98">&#9670;&#160;</a></span>BlendMode() <span class="overload">[1/3]</span></h2>
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<td class="memname">sf::BlendMode::BlendMode </td>
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<p>Default constructor. </p>
<p>Constructs a blending mode that does alpha blending. </p>
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<td class="memname">sf::BlendMode::BlendMode </td>
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<td class="paramtype"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a></td> <td class="paramname"><span class="paramname"><em>sourceFactor</em></span>, </td>
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<p>Construct the blend mode given the factors and equation. </p>
<p>This constructor uses the same factors and equation for both color and alpha components. It also defaults to the Add equation.</p>
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<tr><td class="paramname">sourceFactor</td><td>Specifies how to compute the source factor for the color and alpha channels. </td></tr>
<tr><td class="paramname">destinationFactor</td><td>Specifies how to compute the destination factor for the color and alpha channels. </td></tr>
<tr><td class="paramname">blendEquation</td><td>Specifies how to combine the source and destination colors and alpha. </td></tr>
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<td class="paramtype"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a></td> <td class="paramname"><span class="paramname"><em>colorSourceFactor</em></span>, </td>
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<p>Construct the blend mode given the factors and equation. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">colorSourceFactor</td><td>Specifies how to compute the source factor for the color channels. </td></tr>
<tr><td class="paramname">colorDestinationFactor</td><td>Specifies how to compute the destination factor for the color channels. </td></tr>
<tr><td class="paramname">colorBlendEquation</td><td>Specifies how to combine the source and destination colors. </td></tr>
<tr><td class="paramname">alphaSourceFactor</td><td>Specifies how to compute the source factor. </td></tr>
<tr><td class="paramname">alphaDestinationFactor</td><td>Specifies how to compute the destination factor. </td></tr>
<tr><td class="paramname">alphaBlendEquation</td><td>Specifies how to combine the source and destination alphas. </td></tr>
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<h2 class="groupheader">Friends And Related Symbol Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aee6169f8983f5e92298c4ad6829563ba">&#9670;&#160;</a></span>operator!=()</h2>
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<td class="memname">bool operator!= </td>
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<td class="paramtype">const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;</td> <td class="paramname"><span class="paramname"><em>left</em></span>, </td>
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<td class="paramtype">const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;</td> <td class="paramname"><span class="paramname"><em>right</em></span>&#160;)</td>
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<p>Overload of the <code>operator!=</code> </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">left</td><td>Left operand </td></tr>
<tr><td class="paramname">right</td><td>Right operand</td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if blending modes are different, <code>false</code> if they are equal </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a20d1be06061109c3cef58e0cc38729ea">&#9670;&#160;</a></span>operator==()</h2>
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<td class="memname">bool operator== </td>
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<td class="paramtype">const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;</td> <td class="paramname"><span class="paramname"><em>left</em></span>, </td>
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<td class="paramtype">const <a class="el" href="structsf_1_1BlendMode.html">BlendMode</a> &amp;</td> <td class="paramname"><span class="paramname"><em>right</em></span>&#160;)</td>
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<p>Overload of the <code>operator==</code> </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">left</td><td>Left operand </td></tr>
<tr><td class="paramname">right</td><td>Right operand</td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if blending modes are equal, <code>false</code> if they are different </dd></dl>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aaf85b6b7943181cc81745569c4851e4e">&#9670;&#160;</a></span>alphaDstFactor</h2>
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<td class="memname"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> sf::BlendMode::alphaDstFactor {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbac00a6016489cff63d50d489ce52254cc">BlendMode::Factor::OneMinusSrcAlpha</a>}</td>
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<p>Destination blending factor for the alpha channel. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00123">123</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<td class="memname"><a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> sf::BlendMode::alphaEquation {<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">BlendMode::Equation::Add</a>}</td>
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<p>Blending equation for the alpha channel. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00124">124</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa94e44f8e1042a7357e8eff78c61a1be">&#9670;&#160;</a></span>alphaSrcFactor</h2>
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<td class="memname"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> sf::BlendMode::alphaSrcFactor {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbba06c2cea18679d64399783748fa367bdd">BlendMode::Factor::One</a>}</td>
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<p>Source blending factor for the alpha channel. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00122">122</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adee68ee59e7f1bf71d12db03d251104d">&#9670;&#160;</a></span>colorDstFactor</h2>
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<td class="memname"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> sf::BlendMode::colorDstFactor {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbac00a6016489cff63d50d489ce52254cc">BlendMode::Factor::OneMinusSrcAlpha</a>}</td>
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<p>Destination blending factor for the color channels. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00120">120</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aed12f06eb7f50a1b95b892b0964857b1">&#9670;&#160;</a></span>colorEquation</h2>
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<td class="memname"><a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32">Equation</a> sf::BlendMode::colorEquation {<a class="el" href="#a7bce470e2e384c4f9c8d9595faef7c32aec211f7c20af43e742bf2570c3cb84f9">BlendMode::Equation::Add</a>}</td>
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<p>Blending equation for the color channels. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00121">121</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a32d1a55dbfada86a06d9b881dc8ccf7b">&#9670;&#160;</a></span>colorSrcFactor</h2>
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<td class="memname"><a class="el" href="#afb9852caf356b53bb0de460c58a9ebbb">Factor</a> sf::BlendMode::colorSrcFactor {<a class="el" href="#afb9852caf356b53bb0de460c58a9ebbbad5c7b7f0102df3f7305c43f73fc3a498">BlendMode::Factor::SrcAlpha</a>}</td>
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<p>Source blending factor for the color channels. </p>
<p class="definition">Definition at line <a class="el" href="BlendMode_8hpp_source.html#l00119">119</a> of file <a class="el" href="BlendMode_8hpp_source.html">BlendMode.hpp</a>.</p>
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