Install gimp-dds by entering the following commands in the terminal:
sudo apt update sudo apt install gimp-dds
Description:
DDS (DirectDraw Surface) plugin for GIMP
gimp-dds is a plugin for GIMP that lets you manipulate Microsoft DirectDraw surfaces. These kind of files are widely used in 3D games for textures and the like.
Homepage: http://code.google.com/p/gimp-dds/
Version: 3.0.1-1build1
Section: universe/graphics