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- <title>Generic Image Library: static_generate</title>
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- <div class="title">static_generate<div class="ingroups"><a class="el" href="group___color_base.html">ColorBase</a> » <a class="el" href="group___color_base_algorithm.html">Algorithms and Utility Functions</a></div></div> </div>
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- <p>Equivalent to std::generate.
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- Functions</h2></td></tr>
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- template<typename P1 , typename Op > </td></tr>
- <tr class="memitem:ga4e8a1b12f04ed6a8df3452d7b9bf3f0a"><td class="memTemplItemLeft" align="right" valign="top">BOOST_FORCEINLINE void </td><td class="memTemplItemRight" valign="bottom"><b>static_generate</b> (P1 &dst, Op op)</td></tr>
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- <p>Equivalent to std::generate. </p>
- <p>Example: Set each channel of a pixel to its semantic index. The channels must be assignable from an integer. </p><div class="fragment"><div class="line"><span class="keyword">struct </span>consecutive_fn {</div><div class="line"> <span class="keywordtype">int</span>& _current;</div><div class="line"> consecutive_fn(<span class="keywordtype">int</span>& start) : _current(start) {}</div><div class="line"> <span class="keywordtype">int</span> operator()() { <span class="keywordflow">return</span> _current++; }</div><div class="line">};</div><div class="line">rgb8_pixel_t p;</div><div class="line"><span class="keywordtype">int</span> start=0;</div><div class="line">static_generate(p, consecutive_fn(start));</div><div class="line">assert(p == rgb8_pixel_t(0,1,2));</div></div><!-- fragment --> </div><!-- contents -->
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