I saw Mariko give a talk about this last week - <a href="http:&#x2F;&#x2F;2016.render-conf.com&#x2F;talks#drawing-on-canvas-a-few-things-i-learned-about-pixels" rel="nofollow">http:&#x2F;&#x2F;2016.render-conf.com&#x2F;talks#drawing-on-canvas-a-few-th...</a><p>It was absolutely fantastic; really great information about image data &amp; how to process it.