thehardwarestore.ai

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lvgl/lv_font_conv ★ 305 111 APPLICATION

lv_font_conv is a Node.js-based command-line tool (with a web interface) that converts vector fonts (TTF, OTF, etc.) into bitmap fonts optimized for embedded systems, particularly the LVGL graphics library. It processes font files using opentype.js and an Emscripten-compiled FreeType WebAssembly module to extract glyph metrics and rasterize bitmaps. The tool supports subsetting, merging multiple fonts, kerning preservation, and configurable output formats (raw binary, LVGL-specific C arrays, and debug dumps) with adjustable bits-per-pixel (1-4) and optional RLE/XOR compression. The architecture follows a modular pipeline: argument parsing delegates to font data collection, which feeds into conversion logic that builds font tables (head, cmap, glyf, loca, kern) before format-specific writers produce the final output. Key entry points are the CLI script (lv_font_conv.js) and the web interface (web/index.html via parcel/bundler).

RATING: 9.0/10 MAINT: active DRIFT: low
#font-converter #embedded-graphics #lvgl #bitmap-font #cli-tool #web-interface #range-management #bitmap-compression #font #ttf #woff #c #conveter
▸ 3 reusable components found
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