Adding drop shadows to fonts?

Is your feature request related to a problem? If so, please describe the problem.
A description of what the problem is. E.g. I cannot display this data the way I want [...]

Text is hard to read on pattered backgrounds.

Describe the feature / solution to your problem you'd like
A description of what you want to happen.

Adding drop shadows or support for chromatic fonts would be a great help.

Describe alternatives you've considered / and or tested
A description of any alternative solutions or features you've considered.

Screenshots / photos & mockups of the Turing screen
Add screenshots or photos/mockups of the rendering on the Turing screen to help explain your request.
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Environment:

• Revision of this project [e.g. 1.1.1, main branch, specific commit]
  3.1.0
• OS with version [e.g. Windows 11, Ubuntu 22.04]
  Linux Mint 21.2 Victoria
• Python version [e.g. Python 3.8]
  Python 3.10.12
• Hardware [e.g. Intel CPU, Nvidia GPU, Raspberry Pi 3 B+ ...]
  OptiPlex 3020M

Additional context
Add any other context or screenshots about the feature request here.

The issue names no files, tests, or code entry points. Start by locating the font-rendering path used for the Turing screen and determine whether drop shadows or chromatic fonts are supported by the current rendering stack. Done means text remains readable on patterned backgrounds with the requested rendering behavior documented and tested.