9/20/2023 0 Comments J2k cabinetsIf you want thumbnails for JP2 and J2K images to be available to all users, place this thumbnailer entry in /usr/share/thumbnailers instead of ~/.local/share/thumbnailers:.Put the mime-types found earlier in the third line listed above (the MimeType key) separate each mime-type with a semicolon ( ) and optionally end the line with a semicolon.Press Ctrl+ O and Enter to save the file, and Ctrl+ X to exit nano. MimeType=image/jp2 image/x-jp2-codestream Copy these lines into the file (use Ctrl+ C to copy, Ctrl+ Shift+ V to paste into nano window):Įxec=/usr/local/bin/jp2-thumbnailer-bin %i %s %o.Nano ~/.local/share/thumbnailers/jp2.thumbnailer Create a file named jp2.thumbnailer in that folder.First, create a folder named thumbnailers in ~/.local/share.To get the version number of libgnome-desktop, issue this command: apt list -installed | grep libgnome-desktop | cut -d ' ' -f 2 | cut -d '-' -f 1Ĭreate a thumbnailer entry for JP2 and J2K images If you use Nautilus, however, you can only do so if libgnome-desktop being used by Nautilus is older than 3.28.2. ~/.local/bin) and run commands like the above without sudo. Note: If you use Nemo or Caja, you can actually put the script somewhere in your home directory (e.g. Sudo chmod +x /usr/local/bin/jp2-thumbnailer-bin Press Ctrl+ O and Enter to save the file, and Ctrl+ X to exit nano and return to the terminal.usr/bin/gdk-pixbuf-thumbnailer -s "$nThumbSize" "$sOutFile".png "$sOutFile" usr/bin/opj_decompress -i "$sInFile" -r "$nReduceFactor" -o "$sOutFile".png NResolutions="$(echo "$sInfo" | grep numresolutions | cut -delimiter='=' -fields=2 | sort -general-numeric-sort | sed 1q)" usr/bin/opj_decompress -i "$sInFile" -o "$sOutFile".png # 128x128 pixels) are scaled down so their large dimension # Images larger than the default thumbnail size (256x256 or # Get the large dimension of the input image NHeight="$(echo "$sSize" | cut -fields=2)" NWidth="$(echo "$sSize" | cut -fields=1)" Copy the following script (based on the method from this) into the file (use Ctrl+ C to copy and Ctrl+ Shift+ V to paste into nano window):.Sudo nano /usr/local/bin/jp2-thumbnailer-bin Create a file named jp2-thumbnailer-bin in /usr/local/bin:.Xdg-mime query filetype ~/Pictures/example.j2kĬreate a thumbnailer script for JP2 and J2K images For example, if you have example.jp2 and example.j2k in ~/Pictures, issue these commands: xdg-mime query filetype ~/Pictures/example.jp2 In my case (Ubuntu 20.04), it's image/jp2 for JP2 images and image/x-jp2-codestream for J2K and J2C images.Īlternatively, you can use xdg-mime to get these mime-types. On the Basic tab, take note of what is in the parentheses for the Type field.
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