trail-mate/tools/fonts

Font Assets

This directory stores source vector fonts used to generate embedded LVGL bitmap fonts.

Noto Sans CJK SC

• File: NotoSansCJKsc-Regular.otf
• Source: https://github.com/notofonts/noto-cjk/raw/main/Sans/OTF/SimplifiedChinese/NotoSansCJKsc-Regular.otf
• License: SIL Open Font License 1.1 (OFL)

Bitmap Compression Tool

Use the in-repo tool to convert an existing LVGL bitmap font (lv_font_conv output) to LVGL compressed bitmap format (bitmap_format = 2):

./tools/compress_lvgl_bitmap_font.py src/ui/assets/fonts/lv_font_noto_cjk_16_2bpp.c

The tool validates each glyph via encode/decode round-trip before writing.