<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>NVIDIA 2D Image And Signal Performance Primitives (NPP): AlphaComp</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div 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src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">AlphaComp<div class="ingroups"><a class="el" href="group__image__alpha__composition__operations.html">Alpha Composition</a></div></div> </div> </div><!--header--> <div class="contents"> <p>Composite two images using alpha opacity values contained in each image. <a href="#details">More...</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ga6a5ad58594b970c8def3a1d140a6c586"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga6a5ad58594b970c8def3a1d140a6c586">nppiAlphaComp_8u_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga6a5ad58594b970c8def3a1d140a6c586"><td class="mdescLeft"> </td><td class="mdescRight">One 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga6a5ad58594b970c8def3a1d140a6c586">More...</a><br/></td></tr> <tr class="separator:ga6a5ad58594b970c8def3a1d140a6c586"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gae352333b7f93678a69f07697b34d219b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#gae352333b7f93678a69f07697b34d219b">nppiAlphaComp_8u_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:gae352333b7f93678a69f07697b34d219b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga86ce381eea3e929733fe36aa102fa67e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga86ce381eea3e929733fe36aa102fa67e">nppiAlphaComp_8u_AC4R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga86ce381eea3e929733fe36aa102fa67e"><td class="mdescLeft"> </td><td class="mdescRight">Four 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga86ce381eea3e929733fe36aa102fa67e">More...</a><br/></td></tr> <tr class="separator:ga86ce381eea3e929733fe36aa102fa67e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga58dbd9c52265e1abc3fe5af3e816f577"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga58dbd9c52265e1abc3fe5af3e816f577">nppiAlphaComp_8u_AC4R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga58dbd9c52265e1abc3fe5af3e816f577"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga69c9494587c5e083ff836fd44a0fb244"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga69c9494587c5e083ff836fd44a0fb244">nppiAlphaComp_8s_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga69c9494587c5e083ff836fd44a0fb244"><td class="mdescLeft"> </td><td class="mdescRight">One 8-bit signed char channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga69c9494587c5e083ff836fd44a0fb244">More...</a><br/></td></tr> <tr class="separator:ga69c9494587c5e083ff836fd44a0fb244"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga42b420eecc6d6568b873ee1efb9651df"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga42b420eecc6d6568b873ee1efb9651df">nppiAlphaComp_8s_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga42b420eecc6d6568b873ee1efb9651df"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga41ebb014323c21c908ffddd5344c6506"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga41ebb014323c21c908ffddd5344c6506">nppiAlphaComp_16u_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga41ebb014323c21c908ffddd5344c6506"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga41ebb014323c21c908ffddd5344c6506">More...</a><br/></td></tr> <tr class="separator:ga41ebb014323c21c908ffddd5344c6506"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1d8d46ae18893451dc8eac1f068997d2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga1d8d46ae18893451dc8eac1f068997d2">nppiAlphaComp_16u_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga1d8d46ae18893451dc8eac1f068997d2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga3d98cef92ad17c90aa1ea899e01927ff"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga3d98cef92ad17c90aa1ea899e01927ff">nppiAlphaComp_16u_AC4R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga3d98cef92ad17c90aa1ea899e01927ff"><td class="mdescLeft"> </td><td class="mdescRight">Four 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga3d98cef92ad17c90aa1ea899e01927ff">More...</a><br/></td></tr> <tr class="separator:ga3d98cef92ad17c90aa1ea899e01927ff"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga00d413bb28d7389d211936b79a0b9ce1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga00d413bb28d7389d211936b79a0b9ce1">nppiAlphaComp_16u_AC4R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga00d413bb28d7389d211936b79a0b9ce1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga17815bb159c72f39aea54d0614d71055"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga17815bb159c72f39aea54d0614d71055">nppiAlphaComp_16s_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga17815bb159c72f39aea54d0614d71055"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit signed short channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga17815bb159c72f39aea54d0614d71055">More...</a><br/></td></tr> <tr class="separator:ga17815bb159c72f39aea54d0614d71055"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga24d0534d60897b66abcb4adebe8a306b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga24d0534d60897b66abcb4adebe8a306b">nppiAlphaComp_16s_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga24d0534d60897b66abcb4adebe8a306b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1f7c230bdbf91034b4c536140eb847a1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga1f7c230bdbf91034b4c536140eb847a1">nppiAlphaComp_32u_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga1f7c230bdbf91034b4c536140eb847a1"><td class="mdescLeft"> </td><td class="mdescRight">One 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga1f7c230bdbf91034b4c536140eb847a1">More...</a><br/></td></tr> <tr class="separator:ga1f7c230bdbf91034b4c536140eb847a1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gabbe587e244344bc93a791be1b6837363"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#gabbe587e244344bc93a791be1b6837363">nppiAlphaComp_32u_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:gabbe587e244344bc93a791be1b6837363"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad0ddb92585251c813366280cef5208da"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#gad0ddb92585251c813366280cef5208da">nppiAlphaComp_32u_AC4R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gad0ddb92585251c813366280cef5208da"><td class="mdescLeft"> </td><td class="mdescRight">Four 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). <a href="#gad0ddb92585251c813366280cef5208da">More...</a><br/></td></tr> <tr class="separator:gad0ddb92585251c813366280cef5208da"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga9771af5fc392876e4ff81cdab4c9c0cc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga9771af5fc392876e4ff81cdab4c9c0cc">nppiAlphaComp_32u_AC4R</a> (const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga9771af5fc392876e4ff81cdab4c9c0cc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad2dac2cc0479575664a7fb2458e51743"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#gad2dac2cc0479575664a7fb2458e51743">nppiAlphaComp_32s_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gad2dac2cc0479575664a7fb2458e51743"><td class="mdescLeft"> </td><td class="mdescRight">One 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). <a href="#gad2dac2cc0479575664a7fb2458e51743">More...</a><br/></td></tr> <tr class="separator:gad2dac2cc0479575664a7fb2458e51743"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga995574de89c9fec389cf7a66e43e5b97"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga995574de89c9fec389cf7a66e43e5b97">nppiAlphaComp_32s_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga995574de89c9fec389cf7a66e43e5b97"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga7997ddc85309df9407deed09a3f2e27f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga7997ddc85309df9407deed09a3f2e27f">nppiAlphaComp_32s_AC4R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga7997ddc85309df9407deed09a3f2e27f"><td class="mdescLeft"> </td><td class="mdescRight">Four 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). <a href="#ga7997ddc85309df9407deed09a3f2e27f">More...</a><br/></td></tr> <tr class="separator:ga7997ddc85309df9407deed09a3f2e27f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga67e6e53cc1e8d86354a66f7b5c798663"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga67e6e53cc1e8d86354a66f7b5c798663">nppiAlphaComp_32s_AC4R</a> (const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga67e6e53cc1e8d86354a66f7b5c798663"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5482eb31e584bdcdfbf51c06c1d9c788"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga5482eb31e584bdcdfbf51c06c1d9c788">nppiAlphaComp_32f_AC1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga5482eb31e584bdcdfbf51c06c1d9c788"><td class="mdescLeft"> </td><td class="mdescRight">One 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). <a href="#ga5482eb31e584bdcdfbf51c06c1d9c788">More...</a><br/></td></tr> <tr class="separator:ga5482eb31e584bdcdfbf51c06c1d9c788"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab56636386149c5e72b2fd6d6196e5808"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#gab56636386149c5e72b2fd6d6196e5808">nppiAlphaComp_32f_AC1R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:gab56636386149c5e72b2fd6d6196e5808"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga8de92f96326b04995a3ededc2cf8e505"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga8de92f96326b04995a3ededc2cf8e505">nppiAlphaComp_32f_AC4R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga8de92f96326b04995a3ededc2cf8e505"><td class="mdescLeft"> </td><td class="mdescRight">Four 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). <a href="#ga8de92f96326b04995a3ededc2cf8e505">More...</a><br/></td></tr> <tr class="separator:ga8de92f96326b04995a3ededc2cf8e505"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga235c41805a5b58da7ce79114530878ad"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__alphacomp.html#ga235c41805a5b58da7ce79114530878ad">nppiAlphaComp_32f_AC4R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc1, int nSrc1Step, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc2, int nSrc2Step, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> eAlphaOp)</td></tr> <tr class="separator:ga235c41805a5b58da7ce79114530878ad"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <p>Composite two images using alpha opacity values contained in each image. </p> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="ga24d0534d60897b66abcb4adebe8a306b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16s_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga17815bb159c72f39aea54d0614d71055"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16s_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 16-bit signed short channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga1d8d46ae18893451dc8eac1f068997d2"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16u_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga41ebb014323c21c908ffddd5344c6506"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16u_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga00d413bb28d7389d211936b79a0b9ce1"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16u_AC4R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga3d98cef92ad17c90aa1ea899e01927ff"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_16u_AC4R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Four 16-bit unsigned short channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="gab56636386149c5e72b2fd6d6196e5808"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32f_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga5482eb31e584bdcdfbf51c06c1d9c788"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32f_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga235c41805a5b58da7ce79114530878ad"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32f_AC4R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga8de92f96326b04995a3ededc2cf8e505"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32f_AC4R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Four 32-bit floating point channel image composition using image alpha values (0.0 - 1.0). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga995574de89c9fec389cf7a66e43e5b97"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32s_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gad2dac2cc0479575664a7fb2458e51743"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32s_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga67e6e53cc1e8d86354a66f7b5c798663"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32s_AC4R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga7997ddc85309df9407deed09a3f2e27f"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32s_AC4R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gafa3572058d57d93e2e5ebb9b21fbedb3">Npp32s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Four 32-bit signed integer channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="gabbe587e244344bc93a791be1b6837363"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32u_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga1f7c230bdbf91034b4c536140eb847a1"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32u_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga9771af5fc392876e4ff81cdab4c9c0cc"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32u_AC4R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gad0ddb92585251c813366280cef5208da"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_32u_AC4R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#gac46c2a17550c7b3768cd5064114e7191">Npp32u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Four 32-bit unsigned integer channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga42b420eecc6d6568b873ee1efb9651df"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8s_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga69c9494587c5e083ff836fd44a0fb244"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8s_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga741537d373d8e477767527e6cba0d487">Npp8s</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 8-bit signed char channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="gae352333b7f93678a69f07697b34d219b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8u_AC1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga6a5ad58594b970c8def3a1d140a6c586"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8u_AC1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>One 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> <a class="anchor" id="ga58dbd9c52265e1abc3fe5af3e816f577"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8u_AC4R </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga86ce381eea3e929733fe36aa102fa67e"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiAlphaComp_8u_AC4R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc1Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrc2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrc2Step</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nDstStep</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td> <td class="paramname"><em>oSizeROI</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__typedefs__npp.html#gae6c83c0e39ae82520a9825089a1bc97d">NppiAlphaOp</a> </td> <td class="paramname"><em>eAlphaOp</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td> <td class="paramname"><em>nppStreamCtx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Four 8-bit unsigned char channel image composition using image alpha values (0 - max channel pixel value). </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrc1</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc1Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pSrc2</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrc2Step</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr> <tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr> <tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr> <tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr> <tr><td class="paramname">eAlphaOp</td><td>alpha-blending operation.. </td></tr> <tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl> </div> </div> </div><!-- contents --> <HR> <center>Copyright © 2009-2019 NVIDIA Corporation</center> <HR>