libfreeimageplus3 software package provides C++ wrappers for freeimage (library), you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfreeimageplus3
libfreeimageplus3 is installed in your system.
Make ensure the libfreeimageplus3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfreeimageplus3 *
You will get with libfreeimageplus3 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libfreeimageplus3 |
| Version | 3.17.0+ds1-2 |
| Description | C++ wrappers for freeimage (library) |
| Sub Section | Libs |