Ubuntu – Linux image viewer that will show the desktop through transparent images

gnomeimage-viewersoftware-recUbuntu

I'd like to load a transparent png and have all parts that are transparent show the desktop or underlying windows- is there a Linux image viewer that does this? I'm using Ubuntu and Gnome.

I'm not asking the same as question as this:
Linux: image viewer with transparent window?

Best Answer

I was able to do this in Ubuntu with the XFCE desktop using pqiv, which is in the Ubuntu repositories. Here's an example of me displaying a transparent PNG over both my desktop background and Firefox: PNG transparency with pqiv

The command I used to generate the transparent window was:

pqiv -c -c -i foo.png

This only worked when I turned "display compositing" on in XFCE. I bet if it works in XFCE there's a way to make it work in GNOME since they have so much in common.

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