Xteink-X4-crosspoint-reader/src/activities/boot_sleep
Eliz 4848a77e1b
feat: Add support to B&W filters to image covers (#476)
## Summary

* **What is the goal of this PR?** (e.g., Implements the new feature for
file uploading.)
Implementation of a new feature in Display options as Image Filter
* **What changes are included?**
Black & White and Inverted Black & White options are added.

## Additional Context

Here are some examples:

| None | Contrast | Inverted |
| --- | --- | --- |
| <img alt="image"
src="https://github.com/user-attachments/assets/fe02dd9b-f647-41bd-8495-c262f73177c4"
/> | <img alt="image"
src="https://github.com/user-attachments/assets/2d17747d-3ff6-48a9-b9b9-eb17cccf19cf"
/> | <img alt="image"
src="https://github.com/user-attachments/assets/792dea50-f003-4634-83fe-77849ca49095"
/> |
| <img alt="image"
src="https://github.com/user-attachments/assets/28395b63-14f8-41e2-886b-8ddf3faeafc4"
/> | <img alt="image"
src="https://github.com/user-attachments/assets/71a569c8-fc54-4647-ad4c-ec96e220cddb"
/> | <img alt="image"
src="https://github.com/user-attachments/assets/9139e32c-9175-433e-8372-45fa042d3dc9"
/> |



* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
  specific areas to focus on).

I have also tried adding Color inversion, but could not see much
difference with that. It might be because my implementation was wrong.

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _** PARTIALLY **_

---------

Co-authored-by: Dave Allie <dave@daveallie.com>
2026-01-28 00:21:59 +11:00
..
BootActivity.cpp fix: rotate origin in drawImage (#557) 2026-01-27 22:59:41 +11:00
BootActivity.h Support swapping the functionality of the front buttons (#133) 2025-12-29 14:59:14 +11:00
SleepActivity.cpp feat: Add support to B&W filters to image covers (#476) 2026-01-28 00:21:59 +11:00
SleepActivity.h Add blank sleep screen option (#242) 2026-01-05 20:08:39 +11:00