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Posted

Ive noticed if I export an image, JPEG for example, the icon in finder is corrupt and usually only half of the preview image shows while the rest is grey. The file itself seems to be ok just the icon.

Its been doing this for a while but typically now I'm trying to get a screenshot it's not doing it but ive 'fudged' a screenshot so you can see what I mean.

Screenshot 2020-05-17 at 11.19.16.png

Posted

Hi Chris, MacOS 10.15.4 (its also done it on earlier versions). The icons are on the desktop so its standard icon view really but screenshot attached.

Screenshot 2020-05-20 at 12.56.55.png

  • 2 months later...
Posted

I'll see what I can do. All I have to do is move the file to another location and the preview fixes itself. Maybe its a Finder issue but it only seems to do it with JPEGs from AffinityPhoto so maybe not?!

Posted

Nailed it. Think it might be due to the fact one layer is 'pixel' and one is 'image'. It doesn't always do it but I have yet to see it happen when both layers are rasterised. I work quick so what I did in the video is open an image. Open a document preset. Copy and paste image into new preset doc. Drag and drop second image (without rasterising) into doc then export as jpeg using shortcut. The result in 50% of cases is corrupt icon preview. If I move the icon to a new folder for example the preview seems to get fixed. It's not a massive issue just a little inconvenience.

Jpeg result also attached.

Untitled.jpg

Posted

I can't get it to reproduce on another resolution. If it ever does I'll report back here. Think it's just 5120x2880. FYI its a 5K iMac I use but the resolution is set to default which "looks like 2560x1440". Maybe something there to look at?

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