Scenario 1

Kaleidoscope effects with rotational symmetry

Scenario 2

Unicode text support

Scenario 3

Double-buffered screen rendering

Scenario 4

Modal dialogs and context menus

Scenario 5

Single-line text input widget (Text)

Scenario 6

Basic form container (Frame) with border and title

Scenario 7

Image to greyscale ASCII conversion

Scenario 8

Simple text effects (Print, Cycle, BannerText)

Scenario 9

Scrolling buffer larger than visible screen

Scenario 10

Screen clearing and scrolling