Here is a list of all files with brief descriptions:

[detail level 12345]

▼ include
▼ graphics
▼ drawable
▼ shapes
Rectangle.hpp	The primitive Rectangle shape
Shape.hpp	The base class for all native SDLU shapes
Drawable.hpp	The base class of everything renderable by RenderTarget
Transformable.hpp	Contains information for transformable objects
Graphics.hpp
RenderTarget.hpp
RenderWindow.hpp	A wrapper around SDL_Window and SDL_Renderer
▼ structures
Clock.hpp	A small timing utility
Color.hpp	Provides utility for creating and handling colors
Cursor.hpp
Mouse.hpp	A static class to provide easy handling of the mouse
Time.hpp	A wrapper around std::chrono::duration
Vector2.hpp	Provides a structure for simple vector calculations
Window.hpp	Contains window related objects
SDLU.hpp
Util.hpp	Basic utility macros, typedefs..