How To Install cimg-examples on Ubuntu 22.04
Introduction
In this tutorial we learn how to install cimg-examples on Ubuntu 22.04.
What is cimg-examples
cimg-examples is:
The CImg Library is a C++ toolkit providing simple classes and functions to load, save, process and display images in your own C++ code. It consists only of a single header file CImg.h that must be included in your program source. It contains useful image processing algorithms for loading/saving, resizing/rotating, filtering, object drawing (text, lines, faces, ellipses, …), etc.
Images are instantiated by a class able to represent images up to 4-dimension wide (from 1-D scalar signals to 3-D volumes of vector-valued pixels), with template pixel types. It depends on a minimal number of libraries : you can compile it with only standard C libraries. No need for exotic libraries and complex dependencies.
This package contains examples for the usage of the library.
There are three methods to install cimg-examples on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install cimg-examples Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install cimg-examples using apt-get by running the following command:
sudo apt-get -y install cimg-examples
Install cimg-examples Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install cimg-examples using apt by running the following command:
sudo apt -y install cimg-examples
Install cimg-examples Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install cimg-examples using aptitude by running the following command:
sudo aptitude -y install cimg-examples
How To Uninstall cimg-examples on Ubuntu 22.04
To uninstall only the cimg-examples package we can use the following command:
sudo apt-get remove cimg-examples
Uninstall cimg-examples And Its Dependencies
To uninstall cimg-examples and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove cimg-examples
Remove cimg-examples Configurations and Data
To remove cimg-examples configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge cimg-examples
Remove cimg-examples configuration, data, and all of its dependencies
We can use the following command to remove cimg-examples configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge cimg-examples
References
Summary
In this tutorial we learn how to install cimg-examples package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
