gtkmorph software package provides Digital image warp and morph (gtk), you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gtkmorph
gtkmorph is installed in your system.
Make ensure the gtkmorph package were installed using the commands given below,
$ sudo dpkg-query -l | grep gtkmorph *
You will get with gtkmorph package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Graphics |
| Package | gtkmorph |
| Version | 1:20140707+nmu2+b1 [mips, mips |
| Description | Digital image warp and morph (gtk) |
| Sub Section | Graphics |