user4633: How to scale a layer in pixelated fashion? I.e. each pixel of the image will grow to the block of pixels in the final scene without smoothing or blending (see picture below):

WORKAROUND 
To achieve desired effect you could use the Draft option quality of the layer:
Layer > Quality > Draft

user11523: Ok, I read your mind. What you are talking about called Quality and Sampling. You can find it in the timeline on your layer when "Switches" are activated:

Adjust it to pixelated view, and you will be able to reach your goal without any effects.

user11523: It will scale like that, because every picture made of pixels (except vector graphics, but just don't use that)
You can force it with effect Stylize > Mosaic
Good luck!

4633: <p>How to scale a layer in pixelated fashion? I.e. each pixel of the image will grow to the block of pixels in the final scene without smoothing or blending (see picture below):</p>

<p><a href="https://i.stack.imgur.com/67281.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/67281.png" alt="Scaling in progress, from left to right"></a></p>

<p><strong>WORKAROUND</strong>  </p>

<p>To achieve desired effect you could use the <em>Draft</em> option quality of the layer:<br>
<code>Layer &gt; Quality &gt; Draft</code></p>
 11523: <p>Ok, I read your mind. What you are talking about called <strong>Quality and Sampling</strong>. You can find it in the timeline on your layer when "Switches" are activated:</p>

<p><a href="https://i.stack.imgur.com/7EeW8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7EeW8.png" alt="Look at the rad arrow"></a></p>

<p>Adjust it to pixelated view, and you will be able to reach your goal without any effects.</p>
 11523: <p>It will scale like that, because every picture made of pixels <sub>(except vector graphics, but just don't use that)</sub></p>

<p>You can force it with effect <kbd>Stylize</kbd> > <kbd>Mosaic</kbd></p>

<p>Good luck!</p>
