refactor: fix drawing background and store values

[MarkE16]

Description

Fixes issue with canvas background drawing and other subtle details

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that causes changes to existing functionality, possibly impacting existing features)

Have you tested your changes?

• I wrote tests for the code I've written.

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)

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