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85 lines
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<div class="title">channel_invert<div class="ingroups"><a class="el" href="group___channel_algorithm.html">Algorithms and Utility Functions</a></div></div> </div>
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<p>Returns the inverse of a channel. result = max_value - x + min_value.
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<a href="#details">More...</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gabbbc7b27d9f61ff45cf5ea7ac21051f5"><td class="memTemplParams" colspan="2"><a class="anchor" id="gabbbc7b27d9f61ff45cf5ea7ac21051f5"></a>
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template<typename Channel > </td></tr>
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<tr class="memitem:gabbbc7b27d9f61ff45cf5ea7ac21051f5"><td class="memTemplItemLeft" align="right" valign="top">channel_traits< Channel ><br class="typebreak"/>
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::value_type </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a> (Channel x)</td></tr>
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<tr class="memdesc:gabbbc7b27d9f61ff45cf5ea7ac21051f5"><td class="mdescLeft"> </td><td class="mdescRight">Default implementation. Provide overloads for performance. <br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Returns the inverse of a channel. result = max_value - x + min_value. </p>
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<p>Example: </p>
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<div class="fragment"><div class="line"><span class="comment">// bits8 == uint8_t == unsigned char</span></div>
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<div class="line">bits8 x=255;</div>
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<div class="line">bits8 inv = <a class="code" href="group___channel_invert_algorithm.html#gabbbc7b27d9f61ff45cf5ea7ac21051f5">channel_invert</a>(x);</div>
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<div class="line">assert(inv == 0);</div>
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