<!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"/>
<title>SDL_gfx: SDL_imageFilter.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.2 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
<h1>SDL_imageFilter.h</h1><a href="_s_d_l__image_filter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">SDL_imageFilter - bytes-image "filter" routines </span>
<a name="l00004"></a>00004 <span class="comment">(uses inline x86 MMX optimizations if available)</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">LGPL (c) A. Schiffler</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">*/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef _SDL_imageFilter_h</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define _SDL_imageFilter_h</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="comment">/* Set up for C function definitions, even when using C++ */</span>
<a name="l00014"></a>00014 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00016"></a>00016 <span class="preprocessor">#endif</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <span class="comment">/* ---- Function Prototypes */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#if defined(WIN32) || defined(WIN64)</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor"># if defined(DLL_EXPORT) && !defined(LIBSDL_GFX_DLL_IMPORT)</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor"># define SDL_IMAGEFILTER_SCOPE __declspec(dllexport)</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor"># else</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor"># ifdef LIBSDL_GFX_DLL_IMPORT</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor"># define SDL_IMAGEFILTER_SCOPE __declspec(dllimport)</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor"># endif</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor"># endif</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#ifndef SDL_IMAGEFILTER_SCOPE</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor"># define SDL_IMAGEFILTER_SCOPE extern</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="comment">/* Comments: */</span>
<a name="l00034"></a>00034 <span class="comment">/* 1.) MMX functions work best if all data blocks are aligned on a 32 bytes boundary. */</span>
<a name="l00035"></a>00035 <span class="comment">/* 2.) Data that is not within an 8 byte boundary is processed using the C routine. */</span>
<a name="l00036"></a>00036 <span class="comment">/* 3.) Convolution routines do not have C routines at this time. */</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// Detect MMX capability in CPU</span>
<a name="l00039"></a>00039 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a798ce71024ee1a1d1b174fd60fe79917" title="MMX detection routine (with override flag).">SDL_imageFilterMMXdetect</a>(<span class="keywordtype">void</span>);
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">// Force use of MMX off (or turn possible use back on)</span>
<a name="l00042"></a>00042 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">void</span> <a class="code" href="_s_d_l__image_filter_8c.html#a5dff661660755161bb4aaf6199cd1384" title="Disable MMX check for filter functions and and force to use non-MMX C based code...">SDL_imageFilterMMXoff</a>(<span class="keywordtype">void</span>);
<a name="l00043"></a>00043 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">void</span> <a class="code" href="_s_d_l__image_filter_8c.html#a353ee234c3b51b33c4c5c4b30db5832d" title="Enable MMX check for filter functions and use MMX code if available.">SDL_imageFilterMMXon</a>(<span class="keywordtype">void</span>);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="comment">//</span>
<a name="l00046"></a>00046 <span class="comment">// All routines return:</span>
<a name="l00047"></a>00047 <span class="comment">// 0 OK</span>
<a name="l00048"></a>00048 <span class="comment">// -1 Error (internal error, parameter error)</span>
<a name="l00049"></a>00049 <span class="comment">//</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">// SDL_imageFilterAdd: D = saturation255(S1 + S2)</span>
<a name="l00052"></a>00052 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a9f06507eb0b63198dbd67495d61c9b20" title="Filter using Add: D = saturation255(S1 + S2).">SDL_imageFilterAdd</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// SDL_imageFilterMean: D = S1/2 + S2/2</span>
<a name="l00055"></a>00055 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ace072118fef77973210eb04fb4bfc779" title="Filter using Mean: D = S1/2 + S2/2.">SDL_imageFilterMean</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">// SDL_imageFilterSub: D = saturation0(S1 - S2)</span>
<a name="l00058"></a>00058 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a3c01cf8576ea7a0dfc09dbaa953c9287" title="Filter using Sub: D = saturation0(S1 - S2).">SDL_imageFilterSub</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// SDL_imageFilterAbsDiff: D = | S1 - S2 |</span>
<a name="l00061"></a>00061 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a472909f904274255cd6793c520172e48" title="Filter using AbsDiff: D = | S1 - S2 |.">SDL_imageFilterAbsDiff</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">// SDL_imageFilterMult: D = saturation(S1 * S2)</span>
<a name="l00064"></a>00064 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#af4633031d40a9ea0956a2f3c6c87a384" title="Filter using Mult: D = saturation255(S1 * S2).">SDL_imageFilterMult</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">// SDL_imageFilterMultNor: D = S1 * S2 (non-MMX)</span>
<a name="l00067"></a>00067 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a5f3c9fd40426bb46eba5ac167505dcc5" title="Filter using MultNor: D = S1 * S2.">SDL_imageFilterMultNor</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">// SDL_imageFilterMultDivby2: D = saturation255(S1/2 * S2)</span>
<a name="l00070"></a>00070 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a80737f6427c7bdb30d39a92f6524fc14" title="Filter using MultDivby2: D = saturation255(S1/2 * S2).">SDL_imageFilterMultDivby2</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest,
<a name="l00071"></a>00071 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="comment">// SDL_imageFilterMultDivby4: D = saturation255(S1/2 * S2/2)</span>
<a name="l00074"></a>00074 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a30e685653eb1050c7d48feaeb8f801a1" title="Filter using MultDivby4: D = saturation255(S1/2 * S2/2).">SDL_imageFilterMultDivby4</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest,
<a name="l00075"></a>00075 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="comment">// SDL_imageFilterBitAnd: D = S1 & S2</span>
<a name="l00078"></a>00078 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a85837ce1b5de1f907b6b9053922b5cbc" title="Filter using BitAnd: D = S1 &amp; S2.">SDL_imageFilterBitAnd</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">// SDL_imageFilterBitOr: D = S1 | S2</span>
<a name="l00081"></a>00081 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a5cf1c477f4e32d02f74ee95d9f7b0021" title="Filter using BitOr: D = S1 | S2.">SDL_imageFilterBitOr</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// SDL_imageFilterDiv: D = S1 / S2 (non-MMX)</span>
<a name="l00084"></a>00084 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a0ea22f01c6a4724bac307da3e5355f58" title="Filter using Div: D = S1 / S2.">SDL_imageFilterDiv</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src2, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">// SDL_imageFilterBitNegation: D = !S</span>
<a name="l00087"></a>00087 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ac3abfaa8ec2e88c3c4893588c5555856" title="Filter using BitNegation: D = !S.">SDL_imageFilterBitNegation</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">// SDL_imageFilterAddByte: D = saturation255(S + C)</span>
<a name="l00090"></a>00090 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a812cb307cb60ef31f1ffe81a9eee6bb1" title="Filter using AddByte: D = saturation255(S + C).">SDL_imageFilterAddByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> C);
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// SDL_imageFilterAddUint: D = saturation255(S + (uint)C)</span>
<a name="l00093"></a>00093 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a660543426c47dfec39a349eb3b8f905b" title="Filter using AddUint: D = saturation255((S[i] + Cs[i % 4]), Cs=Swap32((uint)C).">SDL_imageFilterAddUint</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> C);
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="comment">// SDL_imageFilterAddByteToHalf: D = saturation255(S/2 + C)</span>
<a name="l00096"></a>00096 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ab82db97d129c8cfc36780bcdc6286fcc" title="Filter using AddByteToHalf: D = saturation255(S/2 + C).">SDL_imageFilterAddByteToHalf</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00097"></a>00097 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> C);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">// SDL_imageFilterSubByte: D = saturation0(S - C)</span>
<a name="l00100"></a>00100 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a387fb6f0d48cc5d08f37f7f9b92d14b2" title="Filter using SubByte: D = saturation0(S - C).">SDL_imageFilterSubByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> C);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">// SDL_imageFilterSubUint: D = saturation0(S - (uint)C)</span>
<a name="l00103"></a>00103 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#abb343ef95e22945e1d4d648b2e176e64" title="Filter using SubUint: D = saturation0(S[i] - Cs[i % 4]), Cs=Swap32((uint)C).">SDL_imageFilterSubUint</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> C);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="comment">// SDL_imageFilterShiftRight: D = saturation0(S >> N)</span>
<a name="l00106"></a>00106 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a68851aed2dcc5dfd2f3b258236f3b88c" title="Filter using ShiftRight: D = saturation0(S &gt;&gt; N).">SDL_imageFilterShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">// SDL_imageFilterShiftRightUint: D = saturation0((uint)S >> N)</span>
<a name="l00109"></a>00109 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a540d4625d76bcd03318c2a59ce650fdb" title="Filter using ShiftRightUint: D = saturation0((uint)S[i] &gt;&gt; N).">SDL_imageFilterShiftRightUint</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// SDL_imageFilterMultByByte: D = saturation255(S * C)</span>
<a name="l00112"></a>00112 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a06f7a19d6e2fc89d7b48cc45d715806d" title="Filter using MultByByte: D = saturation255(S * C).">SDL_imageFilterMultByByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> C);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">// SDL_imageFilterShiftRightAndMultByByte: D = saturation255((S >> N) * C)</span>
<a name="l00115"></a>00115 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a0713d6c267fba9756d6beae81e89f9e4" title="Filter using ShiftRightAndMultByByte: D = saturation255((S &gt;&gt; N) * C).">SDL_imageFilterShiftRightAndMultByByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00116"></a>00116 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> C);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// SDL_imageFilterShiftLeftByte: D = (S << N)</span>
<a name="l00119"></a>00119 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a4561a73b249a26babc4c469ffbdae604" title="Filter using ShiftLeftByte: D = (S &lt;&lt; N).">SDL_imageFilterShiftLeftByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00120"></a>00120 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N);
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">// SDL_imageFilterShiftLeftUint: D = ((uint)S << N)</span>
<a name="l00123"></a>00123 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a250e796fb2db470da0a78b74b78114e8" title="Filter using ShiftLeftUint: D = ((uint)S &lt;&lt; N).">SDL_imageFilterShiftLeftUint</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00124"></a>00124 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N);
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">// SDL_imageFilterShiftLeft: D = saturation255(S << N)</span>
<a name="l00127"></a>00127 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a98372fea76310903abef7808db10d226" title="Filter ShiftLeft: D = saturation255(S &lt;&lt; N).">SDL_imageFilterShiftLeft</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> N);
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// SDL_imageFilterBinarizeUsingThreshold: D = S >= T ? 255:0</span>
<a name="l00130"></a>00130 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a951a062e15df290a137428e1e0f4d5ce" title="Filter using BinarizeUsingThreshold: D = (S &gt;= T) ? 255:0.">SDL_imageFilterBinarizeUsingThreshold</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00131"></a>00131 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> T);
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="comment">// SDL_imageFilterClipToRange: D = (S >= Tmin) & (S <= Tmax) 255:0</span>
<a name="l00134"></a>00134 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ab7224abc4ecc1b8a6f4441ef8379515f" title="Filter using ClipToRange: D = (S &gt;= Tmin) &amp; (S &lt;= Tmax) S:Tmin | Tmax.">SDL_imageFilterClipToRange</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src1, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length,
<a name="l00135"></a>00135 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Tmin, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Tmax);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// SDL_imageFilterNormalizeLinear: D = saturation255((Nmax - Nmin)/(Cmax - Cmin)*(S - Cmin) + Nmin)</span>
<a name="l00138"></a>00138 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ab018ace4db884cac953b06b09c00828b" title="Filter using NormalizeLinear: D = saturation255((Nmax - Nmin)/(Cmax - Cmin)*(S -...">SDL_imageFilterNormalizeLinear</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> Cmin,
<a name="l00139"></a>00139 <span class="keywordtype">int</span> Cmax, <span class="keywordtype">int</span> Nmin, <span class="keywordtype">int</span> Nmax);
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">/* !!! NO C-ROUTINE FOR THESE FUNCTIONS YET !!! */</span>
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// SDL_imageFilterConvolveKernel3x3Divide: Dij = saturation0and255( ... )</span>
<a name="l00144"></a>00144 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a8e7e4138a93e26f1912763189d407770" title="Filter using ConvolveKernel3x3Divide: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel3x3Divide</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00145"></a>00145 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Divisor);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">// SDL_imageFilterConvolveKernel5x5Divide: Dij = saturation0and255( ... )</span>
<a name="l00148"></a>00148 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ac9a556492480ce71f54d456a0ff7e6cb" title="Filter using ConvolveKernel5x5Divide: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel5x5Divide</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00149"></a>00149 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Divisor);
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">// SDL_imageFilterConvolveKernel7x7Divide: Dij = saturation0and255( ... )</span>
<a name="l00152"></a>00152 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a363f48e6843fd3f48da53688b89bca48" title="Filter using ConvolveKernel7x7Divide: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel7x7Divide</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00153"></a>00153 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Divisor);
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="comment">// SDL_imageFilterConvolveKernel9x9Divide: Dij = saturation0and255( ... )</span>
<a name="l00156"></a>00156 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ae1e91ff193beed110a71119ec901f09d" title="Filter using ConvolveKernel9x9Divide: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel9x9Divide</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00157"></a>00157 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Divisor);
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="comment">// SDL_imageFilterConvolveKernel3x3ShiftRight: Dij = saturation0and255( ... )</span>
<a name="l00160"></a>00160 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#ac329e5a3b60351768c96c94db9f9cf97" title="Filter using ConvolveKernel3x3ShiftRight: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel3x3ShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00161"></a>00161 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel,
<a name="l00162"></a>00162 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> NRightShift);
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">// SDL_imageFilterConvolveKernel5x5ShiftRight: Dij = saturation0and255( ... )</span>
<a name="l00165"></a>00165 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a5253738dc4c892352b078d9a7dec2b20" title="Filter using ConvolveKernel5x5ShiftRight: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel5x5ShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00166"></a>00166 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel,
<a name="l00167"></a>00167 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> NRightShift);
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">// SDL_imageFilterConvolveKernel7x7ShiftRight: Dij = saturation0and255( ... )</span>
<a name="l00170"></a>00170 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a48b40065652dda699875f1425b9227a6" title="Filter using ConvolveKernel7x7ShiftRight: Dij = saturation0and255( ... ).">SDL_imageFilterConvolveKernel7x7ShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00171"></a>00171 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel,
<a name="l00172"></a>00172 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> NRightShift);
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">// SDL_imageFilterConvolveKernel9x9ShiftRight: Dij = saturation0and255( ... )</span>
<a name="l00175"></a>00175 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a6aaa30dc51d1e51585d02d123b0f1a7a" title="Filter using ConvolveKernel9x9ShiftRight: Dij = saturation255( ... ).">SDL_imageFilterConvolveKernel9x9ShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows,
<a name="l00176"></a>00176 <span class="keywordtype">int</span> columns, <span class="keywordtype">signed</span> <span class="keywordtype">short</span> *Kernel,
<a name="l00177"></a>00177 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> NRightShift);
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// SDL_imageFilterSobelX: Dij = saturation255( ... )</span>
<a name="l00180"></a>00180 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a015fe05161b701162d9ecffb01413f1e" title="Filter using SobelX: Dij = saturation255( ... ).">SDL_imageFilterSobelX</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows, <span class="keywordtype">int</span> columns);
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">// SDL_imageFilterSobelXShiftRight: Dij = saturation255( ... )</span>
<a name="l00183"></a>00183 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">int</span> <a class="code" href="_s_d_l__image_filter_8c.html#a0d21af83f0183fcd697324cffe3ab3d7" title="Filter using SobelXShiftRight: Dij = saturation255( ... ).">SDL_imageFilterSobelXShiftRight</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Src, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *Dest, <span class="keywordtype">int</span> rows, <span class="keywordtype">int</span> columns,
<a name="l00184"></a>00184 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> NRightShift);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// Align/restore stack to 32 byte boundary -- Functionality untested! --</span>
<a name="l00187"></a>00187 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">void</span> <a class="code" href="_s_d_l__image_filter_8c.html#afbfcc8c03e3d791ac74c955d14a135e4" title="Align stack to 32 byte boundary,.">SDL_imageFilterAlignStack</a>(<span class="keywordtype">void</span>);
<a name="l00188"></a>00188 SDL_IMAGEFILTER_SCOPE <span class="keywordtype">void</span> <a class="code" href="_s_d_l__image_filter_8c.html#a3147eb5ddd4965d65702f0e533b42974" title="Restore previously aligned stack.">SDL_imageFilterRestoreStack</a>(<span class="keywordtype">void</span>);
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">/* Ends C function definitions when using C++ */</span>
<a name="l00191"></a>00191 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span>}
<a name="l00193"></a>00193 <span class="preprocessor">#endif</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span>
<a name="l00195"></a>00195 <span class="preprocessor">#endif </span><span class="comment">/* _SDL_imageFilter_h */</span>
</pre></div></div>
<hr size="1"/><address style="text-align: right;"><small>Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
</body>
</html>
distrib
>
Mageia
>
1
>
i586
>
media
>
core-release
>
by-pkgid
>
dabbad934aa2b21dfdf7cadba1bf877f
>
files
>
44
