snark13/Xteink-X4-crosspoint-reader
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Xteink-X4-crosspoint-reader/lib/GfxRenderer
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Dave Allie 955c78de64
Book cover sleep screen (#89) 
## Summary

* Fix issue with 2-bit bmp rendering
* Add support generate book cover BMP from JPG and use as sleep screen

## Additional Context

* It does not support other image formats beyond JPG at this point
* Something is cooked with my JpegToBmpConverter logic, it generates
weird interlaced looking images for some JPGs

| Book 1 | Book 2|
| --- | --- |
|
![IMG_5653](https://github.com/user-attachments/assets/49bbaeaa-b171-44c7-a68d-14cbe42aef03)
|
![IMG_5652](https://github.com/user-attachments/assets/7db88d70-e09a-49b0-a9a0-4cc729b4ca0c)
|
2025-12-21 18:42:06 +11:00
..
Bitmap.cpp Book cover sleep screen (#89) 2025-12-21 18:42:06 +11:00
Bitmap.h Custom sleep screen support with BMP reading (#57) 2025-12-19 08:45:14 +11:00
GfxRenderer.cpp fix: add NULL checks after malloc in drawBmp() (#80) 2025-12-21 13:36:59 +11:00
GfxRenderer.h Custom sleep screen support with BMP reading (#57) 2025-12-19 08:45:14 +11:00