logo-sm-fx.png" /></a>
</ul>

<br/>
<h4>Accessing Pixels</h4>

<p>All color values are normalized to the range of 0.0 to 1.0.  The alpha channel ranges from 0.0 (fully transparent) to 1.0 (fully opaque).</p>

<p>The pixels are processed one at a time, but a different pixel of an image can be specified using a pixel index represented by <samp>p</samp>. For example,</p>

<pre class="p-3 mb-2 text-body-secondary bg-body-tertiary"><samp>p[-1].g      green value of pixel to the immediate left of the current pixe