Mike

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See issue https://github.com/lvgl/lv_font_conv/issues/120

lv_font_conv --bpp 2 --size 24 --format lvgl --font arial.ttf -r 0x40-0x43 -r 0x410-0x413 -o arial24.c I did some testing, it's looking good.

Converter misses opportunity to detect identical glyphs, stores them as separate images

I believe font files have facilities that allow different Unicode code points to reference the same glyph. For example, you can go to https://fontdrop.info/ , load arial.ttf, scroll down to...

Converter misses opportunity to detect identical glyphs, stores them as separate images

Let's see. For the Russian alphabet, I would say 11 uppercase and 8 lowercase letters share glyphs with ASCII. That would be 15% of ASCII range.

Converter misses opportunity to detect identical glyphs, stores them as separate images

So I looked closer at arial.ttf using fontdrop.info online tool. I can confirm that Russian letters АВЕМНОРТХаенорсух share glyphs with regular ASCII letters. That's 17 glyphs. This set could vary...

Converter misses opportunity to detect identical glyphs, stores them as separate images

> And you used the same font in convertor, when found duplicated images? And the same problem in binary format? Just ran the converter on arial.ttf. Yes, the glyphs in...