# Check the whole backdrop strip, and video frames' own backdrop · dara/icarus

[View on GitCafe](https://git.cafe/dara/icarus/commit/9c859d13b8d4b884917d8f4ef9692e19926f46c9)

Repository: [dara/icarus](https://git.cafe/dara/icarus)

Visibility: public

Requested revision: 9c859d13b8d4b884917d8f4ef9692e19926f46c9

Requested commit: 9c859d13b8d4b884917d8f4ef9692e19926f46c9

Commit: 9c859d13b8d4b884917d8f4ef9692e19926f46c9

Tree: 3c4d3a77095202ea4d3248b24f496d1d220e7011

Author: Dara Adedeji

Committer: Dara Adedeji

## Message

```
Check the whole backdrop strip, and video frames' own backdrop

The transparent-screenshot test looked at one corner pixel, outside the
dot grid's inset, so leaving the dots in would have passed. It now
requires every pixel left of the map to be empty.

The capture shell no longer paints a background, so a video frame is
opaque only because the view paints its own backdrop. The sink test now
checks every still and transition frame stays opaque.

Both checks fail with their guard removed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

```

## Parents

- [36d77d39c6020ba15ad65036f00b393aafa66338](https://git.cafe/dara/icarus/commit/36d77d39c6020ba15ad65036f00b393aafa66338?format=markdown)

[Source at this commit](https://git.cafe/dara/icarus/tree/9c859d13b8d4b884917d8f4ef9692e19926f46c9?format=markdown)