GalleriaJS/galleria

some images exhibit a moiré glitch because Galleria enforces image-rendering: optimizeQuality

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mateuszviste commented

When Galleria displays an image, it apparently enforces an 'image-rendering: optimizeQuality' CSS property. I can only assume that this property is included for compatibility with some browsers, but with the browser I use (Firefox 72.0.2) the effect is really ugly:

galleria_glitch_rendering_optimizequality_on

By disabling this CSS effect in Firefox web developer tools I was able to see the image being properly rendered:

galleria_glitch_rendering_optimizequality_off

Unfortunately this behavior does not seem to be configurable.

Tested with Firefox 72.0.2 and latest Galleria 1.6.1.