projects / ceph.git / blame
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| 22 | <TITLE>Generic Image Library: static_transform</TITLE> | |
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| 37 | <!-- Generated by Doxygen 1.5.6 --> | |
| 38 | <div class="contents"> | |
| 39 | <h1>static_transform<br> | |
| 40 | <small> | |
| 41 | [<a class="el" href="g_i_l_0105.html">Algorithms and Utility Functions</a>]</small> | |
| 42 | </h1><hr><a name="_details"></a><h2>Detailed Description</h2> | |
| 43 | Equivalent to std::transform. Pairs the elements semantically. | |
| 44 | <p> | |
| 45 | Example: Write a generic function that adds two pixels into a homogeneous result <a class="el" href="g_i_l_0599.html" title="Represents a pixel value (a container of channels). Models: HomogeneousColorBaseValueConcept...">pixel</a>. <div class="fragment"><pre class="fragment"><span class="keyword">template</span> <<span class="keyword">typename</span> Result> | |
| 46 | <span class="keyword">struct </span>my_plus { | |
| 47 | <span class="keyword">template</span> <<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2> | |
| 48 | Result operator()(T1 f1, T2 f2)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> f1+f2; } | |
| 49 | }; | |
| 50 | ||
| 51 | <span class="keyword">template</span> <<span class="keyword">typename</span> Pixel1, <span class="keyword">typename</span> Pixel2, <span class="keyword">typename</span> Pixel3> | |
| 52 | <span class="keywordtype">void</span> sum_channels(<span class="keyword">const</span> Pixel1& p1, <span class="keyword">const</span> Pixel2& p2, Pixel3& result) { | |
| 53 | <span class="keyword">typedef</span> <span class="keyword">typename</span> channel_type<Pixel3>::type result_channel_t; | |
| 54 | static_transform(p1,p2,result,my_plus<result_channel_t>()); | |
| 55 | } | |
| 56 | ||
| 57 | rgb8_pixel_t p1(1,2,3); | |
| 58 | bgr8_pixel_t p2(3,2,1); | |
| 59 | rgb8_pixel_t result; | |
| 60 | sum_channels(p1,p2,result); | |
| 61 | assert(result == rgb8_pixel_t(2,4,6)); | |
| 62 | </pre></div> | |
| 63 | <p> | |
| 64 | <table border="0" cellpadding="0" cellspacing="0"> | |
| 65 | <tr><td></td></tr> | |
| 66 | <tr><td colspan="2"><br><h2>Functions</h2></td></tr> | |
| 67 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gdf8ef33ad4bb6d1db4890aa699dd8ef1"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="gdf8ef33ad4bb6d1db4890aa699dd8ef1" args="(Src &src, Dst &dst, Op op)" --> | |
| 68 | template<typename Src, typename Dst, typename Op> </td></tr> | |
| 69 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (Src &src, Dst &dst, Op op)</td></tr> | |
| 70 | ||
| 71 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gb1b2f61b29c26b2218ca4febdf5a18fe"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="gb1b2f61b29c26b2218ca4febdf5a18fe" args="(const Src &src, Dst &dst, Op op)" --> | |
| 72 | template<typename Src, typename Dst, typename Op> </td></tr> | |
| 73 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (const Src &src, Dst &dst, Op op)</td></tr> | |
| 74 | ||
| 75 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g18161a949303722201be29fb24bf7713"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="g18161a949303722201be29fb24bf7713" args="(P2 &p2, P3 &p3, Dst &dst, Op op)" --> | |
| 76 | template<typename P2, typename P3, typename Dst, typename Op> </td></tr> | |
| 77 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (P2 &p2, P3 &p3, Dst &dst, Op op)</td></tr> | |
| 78 | ||
| 79 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g00bb2f6cecdb909728902f6ffda6d87b"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="g00bb2f6cecdb909728902f6ffda6d87b" args="(P2 &p2, const P3 &p3, Dst &dst, Op op)" --> | |
| 80 | template<typename P2, typename P3, typename Dst, typename Op> </td></tr> | |
| 81 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (P2 &p2, const P3 &p3, Dst &dst, Op op)</td></tr> | |
| 82 | ||
| 83 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g6dcb068577ee0fe134c8651a03900d36"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="g6dcb068577ee0fe134c8651a03900d36" args="(const P2 &p2, P3 &p3, Dst &dst, Op op)" --> | |
| 84 | template<typename P2, typename P3, typename Dst, typename Op> </td></tr> | |
| 85 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (const P2 &p2, P3 &p3, Dst &dst, Op op)</td></tr> | |
| 86 | ||
| 87 | <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gb92367233f5a2a088762c2bf4bae07c4"></a><!-- doxytag: member="ColorBaseAlgorithmTransform::static_transform" ref="gb92367233f5a2a088762c2bf4bae07c4" args="(const P2 &p2, const P3 &p3, Dst &dst, Op op)" --> | |
| 88 | template<typename P2, typename P3, typename Dst, typename Op> </td></tr> | |
| 89 | <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">GIL_FORCEINLINE Op </td><td class="memTemplItemRight" valign="bottom"><b>static_transform</b> (const P2 &p2, const P3 &p3, Dst &dst, Op op)</td></tr> | |
| 90 | ||
| 91 | </table> | |
| 92 | </div> | |
| 93 | <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:17 2009 for Generic Image Library by | |
| 94 | <a href="http://www.doxygen.org/index.html"> | |
| 95 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> | |
| 96 | </body> | |
| 97 | </html> |