a></dt>
<dd><div class="line-block">
<div class="line"><br /></div>
</div>
<p>Apply a blur effect to a 1D buffer (memoryview slice) and return a copy.</p>
<p>This function takes a <strong>1D buffer or memoryview slice</strong> containing pixel data in <strong>BGR(A)</strong> format
(or any other compatible pixel format) and applies a <strong>Gaussian blur</strong>. The blurred result is
returned as a new array, leaving the original buffer unmodified.</p>
<p>The function supports both <strong>24-bit 