Xteink-X4-crosspoint-reader/lib/Epub
Eunchurn Park 6fbdd06101
feat(home): Add cover image thumbnail to Continue Reading card
Display book cover image as background in the Continue Reading card on
the home screen, improving visual identification of the current book.

Key changes:
- Add thumbnail generation (thumb.bmp) for EPUB and XTC/XTCH files
  - Uses same dithering/scaling algorithms as sleep screen covers
  - Target size: 240x400 (half screen) for optimal Continue Reading card fit
- Add JpegToBmpConverter::jpegFileToBmpStreamWithSize() for custom target sizes
- Add GfxRenderer::copyStoredBwBuffer() and freeStoredBwBuffer() for
  framebuffer caching to maintain fast navigation performance
- Add UTF-8 safe string truncation for Korean/CJK text in title/author display
- Draw white boxes behind title/author text for readability over cover image
- Increase HomeActivityTask stack size to 4096 for cover image rendering
- Add bounds checking in XTC thumbnail generation to prevent buffer overflow
2026-01-01 23:51:11 +09:00
..
Epub Use sane smaller data types for data in section.bin (#188) 2025-12-31 13:11:36 +11:00
Epub.cpp feat(home): Add cover image thumbnail to Continue Reading card 2026-01-01 23:51:11 +09:00
Epub.h feat(home): Add cover image thumbnail to Continue Reading card 2026-01-01 23:51:11 +09:00