This is a data structure that helps keep track of the frequency with which pixels of specific colors occur.
This class defines the top-level image effects found on the right-hand side of the GUI.
The graphical user interface for the Pennstagram project.
A point of color.
An image represented by a 2D array of Pixels.
This is an implementation of a Queue in Java that uses a built-in data structure about which we haven't learned yet.