lv_ font_ Conv offline conversion

esp32 Use lvgl, Need to use Chinese

need nodejs, My is win7, Only use 13.14.0 edition , Higher cannot be installed

Get the source code

CNPM Binaries Mirrorhttps://registry.npmmirror.com/binary.html?path=node/v13.14.0/

Clone the warehouse

https://github.com/lvgl/lv_font_conv.git

In source Under the table of contents , function npm install, Package required for installation

Join the system global

 

restart cmd, function lv_font_conv -h Test it （ Cannot run in a directory with the same name , Switch any directory ）

  In the font directory , open cmd

Run font conversion

（ Fonts are downloaded here http:// lvgl.100ask.net/8.2/tools/fonts-zh-source.html#id2）

 lv_font_conv --font SourceHanSansCN-Light-2.otf -r 0x20-0x7E -r 0x4E00-0x9FFF --size 16 --format lvgl --bpp 2 --no-compress -o ./lvgl.c

The parameters are as follows , More parameters can be found in github

--font:
   ttf/woff/woff2/otf The font path 
-r, --range
    Single character or character range . You can use it multiple times 
--size
    Output character size - Pixels 
--format
    Output format （dump,bin,lvgl）
--bpp
    The number of bits per pixel （ Anti-Aliasing ）
--no-compress
    No compression （ Compressing fonts reduces the size but slows down rendering ）
-o, --output
    The output path （ File or directory ）

convert network