The application shows a 3D donut, that can be rotated with two sliders in both axis.
It is a simple example of what can be done with frojasg1.com platform libraries:
    - Zoom option for components
    - Multi language
    - Dark mode option
    - Automatic Undo-Redo for text components, with popup menu included
    - Text Search/Replace window prepared to be used.
    - Base components for auto-completion windows.
    - Automatic component relocation after redimensioning a window.
    - Base classes for formating text on the fly in JTextPanes
    - Improved JFileChooser
and many other functions of all kind:
    - Basic functions of all kinds.
    - Accurate image resizing.
    - Function to process images, translating the image pixels with a direct color transformation function.
    - Classes to easy the xml file management (without validation)
    - JDK-17 compatibility
Features
- Zoom
 - Multi-language
 - Dark mode option
 - Automatic undo-redo for text components
 - Base autocompletion window
 - Automatic component relocation after redimensioning the window
 - Text formating on the fly
 - Improved JFileChooser
 - Accurate image resizing
 - Image processing
 - Xml file management
 - JDK-17 compatibility