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sdl2-docs-2.0.10-1.mga7.noarch.rpm

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<div class="header">
  <div class="summary">
<a href="#enum-members">Enumerations</a> &#124;
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">SDL_blendmode.h File Reference</div>  </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><code>#include &quot;<a class="el" href="begin__code_8h_source.html">begin_code.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="close__code_8h_source.html">close_code.h</a>&quot;</code><br />
</div>
<p><a href="SDL__blendmode_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a850d3c67a878fd6698a1c8dbb1eabf1e"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1e">SDL_BlendMode</a> { <br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1ea417f2736f69e38ae734e75afa04c57ac">SDL_BLENDMODE_NONE</a> = 0x00000000, 
<a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1eae421984ebfeedd59dfea21e1bdda1883">SDL_BLENDMODE_BLEND</a> = 0x00000001, 
<a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1ea4af39da8d41a1765fb26425a3ca4391e">SDL_BLENDMODE_ADD</a> = 0x00000002, 
<a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1eaf7714323757a614d3e506be37cd28c43">SDL_BLENDMODE_MOD</a> = 0x00000004, 
<br />
&#160;&#160;<b>SDL_BLENDMODE_INVALID</b> = 0x7FFFFFFF
<br />
 }</td></tr>
<tr class="memdesc:a850d3c67a878fd6698a1c8dbb1eabf1e"><td class="mdescLeft">&#160;</td><td class="mdescRight">The blend mode used in <a class="el" href="SDL__render_8h.html#a4b6c2353384c7b7128fd5960b24f2ae6" title="Copy a portion of the texture to the current rendering target.">SDL_RenderCopy()</a> and drawing operations.  <a href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1e">More...</a><br /></td></tr>
<tr class="separator:a850d3c67a878fd6698a1c8dbb1eabf1e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a54ae8d3f832db7354f4fda522835f502"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a> { <br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502a79c1a3992734df94dc21b0dd2eaf9cc3">SDL_BLENDOPERATION_ADD</a> = 0x1, 
<a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502acd41cbbe8ee275638a8c9ef97de2eae5">SDL_BLENDOPERATION_SUBTRACT</a> = 0x2, 
<a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502a6f55ae40255c3d8c9927a85ea836d518">SDL_BLENDOPERATION_REV_SUBTRACT</a> = 0x3, 
<a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502a49762d60e4bf6edcf42c7f7aa3c51fbd">SDL_BLENDOPERATION_MINIMUM</a> = 0x4, 
<br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502a236541634d3e80b4932b6c8a6b278f2a">SDL_BLENDOPERATION_MAXIMUM</a> = 0x5
<br />
 }</td></tr>
<tr class="memdesc:a54ae8d3f832db7354f4fda522835f502"><td class="mdescLeft">&#160;</td><td class="mdescRight">The blend operation used when combining source and destination pixel components.  <a href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">More...</a><br /></td></tr>
<tr class="separator:a54ae8d3f832db7354f4fda522835f502"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae7649e376a461512af328b39f3d9605c"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a> { <br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca1729e63b0e2643241b7fb83b5e00a618">SDL_BLENDFACTOR_ZERO</a> = 0x1, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605caf2f9f66f01b413de3802f6764125a273">SDL_BLENDFACTOR_ONE</a> = 0x2, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca2ae2717da790b7616c9512cd5a031b06">SDL_BLENDFACTOR_SRC_COLOR</a> = 0x3, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca0ef57a3ec7cfbe5a4b6d7e6aab3d7612">SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR</a> = 0x4, 
<br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca6709090055ddc6033c4ce7a63ac26fe5">SDL_BLENDFACTOR_SRC_ALPHA</a> = 0x5, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca99342bc66f17946d8b6ef26452a8b010">SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA</a> = 0x6, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605cadcd2cc1da2d79b0f696a2f79350c96fc">SDL_BLENDFACTOR_DST_COLOR</a> = 0x7, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca7238a9b5d18911b67ca3e6975bc66f73">SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR</a> = 0x8, 
<br />
&#160;&#160;<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605cabb3330092906beea2a5d1e275f338e42">SDL_BLENDFACTOR_DST_ALPHA</a> = 0x9, 
<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605ca7419eb5c0c94094f26f1f5183438c9e2">SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA</a> = 0xA
<br />
 }</td></tr>
<tr class="memdesc:ae7649e376a461512af328b39f3d9605c"><td class="mdescLeft">&#160;</td><td class="mdescRight">The normalized factor used to multiply pixel components.  <a href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">More...</a><br /></td></tr>
<tr class="separator:ae7649e376a461512af328b39f3d9605c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a68566100acaa096e94f213a9768c6b6d"><td class="memItemLeft" align="right" valign="top">DECLSPEC <a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1e">SDL_BlendMode</a> SDLCALL&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__blendmode_8h.html#a68566100acaa096e94f213a9768c6b6d">SDL_ComposeCustomBlendMode</a> (<a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a> srcColorFactor, <a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a> dstColorFactor, <a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a> colorOperation, <a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a> srcAlphaFactor, <a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a> dstAlphaFactor, <a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a> alphaOperation)</td></tr>
<tr class="memdesc:a68566100acaa096e94f213a9768c6b6d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create a custom blend mode, which may or may not be supported by a given renderer.  <a href="#a68566100acaa096e94f213a9768c6b6d">More...</a><br /></td></tr>
<tr class="separator:a68566100acaa096e94f213a9768c6b6d"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Header file declaring the SDL_BlendMode enumeration </p>
</div><h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="ae7649e376a461512af328b39f3d9605c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae7649e376a461512af328b39f3d9605c">&#9670;&nbsp;</a></span>SDL_BlendFactor</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>The normalized factor used to multiply pixel components. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca1729e63b0e2643241b7fb83b5e00a618"></a>SDL_BLENDFACTOR_ZERO&#160;</td><td class="fielddoc"><p>0, 0, 0, 0 </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605caf2f9f66f01b413de3802f6764125a273"></a>SDL_BLENDFACTOR_ONE&#160;</td><td class="fielddoc"><p>1, 1, 1, 1 </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca2ae2717da790b7616c9512cd5a031b06"></a>SDL_BLENDFACTOR_SRC_COLOR&#160;</td><td class="fielddoc"><p>srcR, srcG, srcB, srcA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca0ef57a3ec7cfbe5a4b6d7e6aab3d7612"></a>SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR&#160;</td><td class="fielddoc"><p>1-srcR, 1-srcG, 1-srcB, 1-srcA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca6709090055ddc6033c4ce7a63ac26fe5"></a>SDL_BLENDFACTOR_SRC_ALPHA&#160;</td><td class="fielddoc"><p>srcA, srcA, srcA, srcA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca99342bc66f17946d8b6ef26452a8b010"></a>SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA&#160;</td><td class="fielddoc"><p>1-srcA, 1-srcA, 1-srcA, 1-srcA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605cadcd2cc1da2d79b0f696a2f79350c96fc"></a>SDL_BLENDFACTOR_DST_COLOR&#160;</td><td class="fielddoc"><p>dstR, dstG, dstB, dstA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca7238a9b5d18911b67ca3e6975bc66f73"></a>SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR&#160;</td><td class="fielddoc"><p>1-dstR, 1-dstG, 1-dstB, 1-dstA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605cabb3330092906beea2a5d1e275f338e42"></a>SDL_BLENDFACTOR_DST_ALPHA&#160;</td><td class="fielddoc"><p>dstA, dstA, dstA, dstA </p>
</td></tr>
<tr><td class="fieldname"><a id="ae7649e376a461512af328b39f3d9605ca7419eb5c0c94094f26f1f5183438c9e2"></a>SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA&#160;</td><td class="fielddoc"><p>1-dstA, 1-dstA, 1-dstA, 1-dstA </p>
</td></tr>
</table>

</div>
</div>
<a id="a850d3c67a878fd6698a1c8dbb1eabf1e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a850d3c67a878fd6698a1c8dbb1eabf1e">&#9670;&nbsp;</a></span>SDL_BlendMode</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1e">SDL_BlendMode</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>The blend mode used in <a class="el" href="SDL__render_8h.html#a4b6c2353384c7b7128fd5960b24f2ae6" title="Copy a portion of the texture to the current rendering target.">SDL_RenderCopy()</a> and drawing operations. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a850d3c67a878fd6698a1c8dbb1eabf1ea417f2736f69e38ae734e75afa04c57ac"></a>SDL_BLENDMODE_NONE&#160;</td><td class="fielddoc"><p>no blending dstRGBA = srcRGBA </p>
</td></tr>
<tr><td class="fieldname"><a id="a850d3c67a878fd6698a1c8dbb1eabf1eae421984ebfeedd59dfea21e1bdda1883"></a>SDL_BLENDMODE_BLEND&#160;</td><td class="fielddoc"><p>alpha blending dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA)) dstA = srcA + (dstA * (1-srcA)) </p>
</td></tr>
<tr><td class="fieldname"><a id="a850d3c67a878fd6698a1c8dbb1eabf1ea4af39da8d41a1765fb26425a3ca4391e"></a>SDL_BLENDMODE_ADD&#160;</td><td class="fielddoc"><p>additive blending dstRGB = (srcRGB * srcA) + dstRGB dstA = dstA </p>
</td></tr>
<tr><td class="fieldname"><a id="a850d3c67a878fd6698a1c8dbb1eabf1eaf7714323757a614d3e506be37cd28c43"></a>SDL_BLENDMODE_MOD&#160;</td><td class="fielddoc"><p>color modulate dstRGB = srcRGB * dstRGB dstA = dstA </p>
</td></tr>
</table>

</div>
</div>
<a id="a54ae8d3f832db7354f4fda522835f502"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a54ae8d3f832db7354f4fda522835f502">&#9670;&nbsp;</a></span>SDL_BlendOperation</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>The blend operation used when combining source and destination pixel components. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a54ae8d3f832db7354f4fda522835f502a79c1a3992734df94dc21b0dd2eaf9cc3"></a>SDL_BLENDOPERATION_ADD&#160;</td><td class="fielddoc"><p>dst + src: supported by all renderers </p>
</td></tr>
<tr><td class="fieldname"><a id="a54ae8d3f832db7354f4fda522835f502acd41cbbe8ee275638a8c9ef97de2eae5"></a>SDL_BLENDOPERATION_SUBTRACT&#160;</td><td class="fielddoc"><p>dst - src : supported by D3D9, D3D11, OpenGL, OpenGLES </p>
</td></tr>
<tr><td class="fieldname"><a id="a54ae8d3f832db7354f4fda522835f502a6f55ae40255c3d8c9927a85ea836d518"></a>SDL_BLENDOPERATION_REV_SUBTRACT&#160;</td><td class="fielddoc"><p>src - dst : supported by D3D9, D3D11, OpenGL, OpenGLES </p>
</td></tr>
<tr><td class="fieldname"><a id="a54ae8d3f832db7354f4fda522835f502a49762d60e4bf6edcf42c7f7aa3c51fbd"></a>SDL_BLENDOPERATION_MINIMUM&#160;</td><td class="fielddoc"><p>min(dst, src) : supported by D3D11 </p>
</td></tr>
<tr><td class="fieldname"><a id="a54ae8d3f832db7354f4fda522835f502a236541634d3e80b4932b6c8a6b278f2a"></a>SDL_BLENDOPERATION_MAXIMUM&#160;</td><td class="fielddoc"><p>max(dst, src) : supported by D3D11 </p>
</td></tr>
</table>

</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a68566100acaa096e94f213a9768c6b6d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a68566100acaa096e94f213a9768c6b6d">&#9670;&nbsp;</a></span>SDL_ComposeCustomBlendMode()</h2>

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          <td class="memname">DECLSPEC <a class="el" href="SDL__blendmode_8h.html#a850d3c67a878fd6698a1c8dbb1eabf1e">SDL_BlendMode</a> SDLCALL SDL_ComposeCustomBlendMode </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a>&#160;</td>
          <td class="paramname"><em>srcColorFactor</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a>&#160;</td>
          <td class="paramname"><em>dstColorFactor</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a>&#160;</td>
          <td class="paramname"><em>colorOperation</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a>&#160;</td>
          <td class="paramname"><em>srcAlphaFactor</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#ae7649e376a461512af328b39f3d9605c">SDL_BlendFactor</a>&#160;</td>
          <td class="paramname"><em>dstAlphaFactor</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="SDL__blendmode_8h.html#a54ae8d3f832db7354f4fda522835f502">SDL_BlendOperation</a>&#160;</td>
          <td class="paramname"><em>alphaOperation</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Create a custom blend mode, which may or may not be supported by a given renderer. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">srcColorFactor</td><td>source color factor </td></tr>
    <tr><td class="paramname">dstColorFactor</td><td>destination color factor </td></tr>
    <tr><td class="paramname">colorOperation</td><td>color operation </td></tr>
    <tr><td class="paramname">srcAlphaFactor</td><td>source alpha factor </td></tr>
    <tr><td class="paramname">dstAlphaFactor</td><td>destination alpha factor </td></tr>
    <tr><td class="paramname">alphaOperation</td><td>alpha operation</td></tr>
  </table>
  </dd>
</dl>
<p>The result of the blend mode operation will be: dstRGB = dstRGB * dstColorFactor colorOperation srcRGB * srcColorFactor and dstA = dstA * dstAlphaFactor alphaOperation srcA * srcAlphaFactor </p>

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