Xteink-X4-crosspoint-reader/src
Eliz 5fa58a002c 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>
2026-01-30 10:46:01 +02:00
..
activities feat: Add support to B&W filters to image covers (#476) 2026-01-30 10:46:01 +02:00
images Move to SDK EInkDisplay and enable anti-aliased 2-bit text (#5) 2025-12-08 19:48:49 +11:00
network Refactors Calibre Wireless Device & Calibre Library (#404) 2026-01-27 22:02:38 +11:00
util feat: invalidate cache on web uploads and opds downloads and add Clear Cache action (#393) 2026-01-22 00:06:07 +11:00
Battery.h Public release 2025-12-03 22:06:45 +11:00
CrossPointSettings.cpp feat: Add support to B&W filters to image covers (#476) 2026-01-30 10:46:01 +02:00
CrossPointSettings.h feat: Add support to B&W filters to image covers (#476) 2026-01-30 10:46:01 +02:00
CrossPointState.cpp Ensure new custom sleep image every time (#300) 2026-01-14 21:05:08 +11:00
CrossPointState.h Ensure new custom sleep image every time (#300) 2026-01-14 21:05:08 +11:00
fontIds.h feat: Include superscripts and subscripts in fonts (#463) 2026-01-21 22:42:41 +11:00
main.cpp fix: short-press power button to wakeup (#482) 2026-01-27 22:07:37 +11:00
MappedInputManager.cpp feat(ux): page turning on button pressed if long-press chapter skip is disabled (#451) 2026-01-27 23:53:13 +11:00
MappedInputManager.h feat(ux): page turning on button pressed if long-press chapter skip is disabled (#451) 2026-01-27 23:53:13 +11:00
RecentBooksStore.cpp My Library: Tab bar w/ Recent Books + File Browser (#250) 2026-01-21 11:38:38 +00:00
RecentBooksStore.h My Library: Tab bar w/ Recent Books + File Browser (#250) 2026-01-21 11:38:38 +00:00
ScreenComponents.cpp feat: Add status bar option "Full w/ Progress Bar" (#438) 2026-01-27 23:25:44 +11:00
ScreenComponents.h feat: Add status bar option "Full w/ Progress Bar" (#438) 2026-01-27 23:25:44 +11:00
WifiCredentialStore.cpp Add exFAT support (#150) 2025-12-30 16:09:30 +11:00
WifiCredentialStore.h Add connect to Wifi and File Manager Webserver (#41) 2025-12-20 01:05:43 +11:00