Invert colors of a ScreenShot

[bnacht]

Thx, for the help. Runs great!

... and sorry for the wrong location. Next Time i chosse the correct list.

BErnd

Am 02.04.25 um 09:21 schrieb Ingo Klöcker:
> On Mittwoch, 2. April 2025 08:45:30 Mitteleuropäische Sommerzeit bnacht wrote:
>> HI,
>>
>> for documentation purpose I do ScreenShots with Spectacle. I want to
>> invert the colours of the ScreenShots and use 'convert <infile> -channel
>> RGB -negate <outfile>' at the CLI afterwards.
>>
>> I think this could be simpler ...
>> How to create a entry in a context menu (e.g. from Dolphin) to call a
>> little bash-Script to do this?
>
> Neither Spectacle nor Dolphin are KDE PIM apps. You'd better use the general
> kde at kde.org mailing list or the forum.
>
> Anyway, you'll have to add a desktop file for a suitable bash-script to
> ~/.local/share/kio/servicemenus/
>
> Something like this:
> ```
> [Desktop Entry]
> Actions=invertcolors
> Type=Service
> MimeType=application/png;
>
> [Desktop Action invertcolors]
> Name=Invert colors
> Icon=image-png
> Exec=convert %f -channel RGB -negate %f.inverted.png
> ```
>
> If you do it right then you'll get a context menu entry "Invert colors" in
> Dolphin in the Actions submenu.
>
> Regards,
> Ingo