Next: Lines Up: DrawClear and Flip Previous: Viewports

## Pixels

- `((draw-pixel viewport) p color)`
  Takes a viewport descriptor. It returns a function that draws a pixel in viewport at the specified position. The optional color argument defaults to black.
- `((clear-pixel viewport) p)`
  Takes a viewport descriptor. It returns a function that clears a pixel in viewport at the specified position.
- `((flip-pixel viewport) p)`
  Takes a viewport descriptor. It returns a function that flips a pixel in viewport at the specified position.