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regenerate-fonts.sh: new file

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Move snippet from README into a script, so it's easier to execute it.
This commit is contained in:
Oliver Smith 2022-06-18 01:12:56 +02:00
parent dba19bff31
commit 9f03b6872c
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2 changed files with 18 additions and 13 deletions
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14
README.md
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@ -133,19 +133,7 @@ The backend can be switched at runtime by modifying the `general.backend` config
In order to work with [LVGL], fonts need to be converted to bitmaps, stored as C arrays. Unl0kr currently uses a combination of the [OpenSans] font for text and the [FontAwesome] font for pictograms. For both fonts only limited character ranges are included to reduce the binary size. To (re)generate the C file containing the combined font, run the following command
```
$ npx lv_font_conv --bpp 4 --size 32 --no-compress -o font_32.c --format lvgl \
--font OpenSans-Regular.ttf \
--range '0x0020-0x007F' \
--range '0x00A0-0x00FF' \
--range '0x0100-0x017F' \
--range '0x0370-0x03FF' \
--range '0x2000-0x206F' \
--range '0x20A0-0x20CF' \
--range '0x2200-0x22FF' \
--font FontAwesome5-Solid+Brands+Regular.woff \
--range '0xF001,0xF008,0xF00B,0xF00C,0xF00D,0xF011,0xF013,0xF015,0xF019,0xF01C,0xF021,0xF026,0xF027,0xF028,0xF03E,0xF0E0,0xF304,0xF043,0xF048,0xF04B,0xF04C,0xF04D,0xF051,0xF052,0xF053,0xF054,0xF067,0xF068,0xF06E,0xF070,0xF071,0xF074,0xF077,0xF078,0xF079,0xF07B,0xF093,0xF095,0xF0C4,0xF0C5,0xF0C7,0xF0C9,0xF0E7,0xF0EA,0xF0F3,0xF11C,0xF124,0xF158,0xF1EB,0xF240,0xF241,0xF242,0xF243,0xF244,0xF287,0xF293,0xF2ED,0xF55A,0xF7C2,0xF8A2' \
--range '0xF042' \
--range '0xF35B'
$ ./regenerate-fonts.sh
```
Below is a short explanation of the different unicode ranges used above.

17
regenerate-fonts.sh Executable file
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@ -0,0 +1,17 @@
#!/bin/sh -ex
# Copyright 2022 Johannes Marbach
# SPDX-License-Identifier: GPL-3.0-or-later
npx lv_font_conv --bpp 4 --size 32 --no-compress -o font_32.c --format lvgl \
--font OpenSans-Regular.ttf \
--range '0x0020-0x007F' \
--range '0x00A0-0x00FF' \
--range '0x0100-0x017F' \
--range '0x0370-0x03FF' \
--range '0x2000-0x206F' \
--range '0x20A0-0x20CF' \
--range '0x2200-0x22FF' \
--font FontAwesome5-Solid+Brands+Regular.woff \
--range '0xF001,0xF008,0xF00B,0xF00C,0xF00D,0xF011,0xF013,0xF015,0xF019,0xF01C,0xF021,0xF026,0xF027,0xF028,0xF03E,0xF0E0,0xF304,0xF043,0xF048,0xF04B,0xF04C,0xF04D,0xF051,0xF052,0xF053,0xF054,0xF067,0xF068,0xF06E,0xF070,0xF071,0xF074,0xF077,0xF078,0xF079,0xF07B,0xF093,0xF095,0xF0C4,0xF0C5,0xF0C7,0xF0C9,0xF0E7,0xF0EA,0xF0F3,0xF11C,0xF124,0xF158,0xF1EB,0xF240,0xF241,0xF242,0xF243,0xF244,0xF287,0xF293,0xF2ED,0xF55A,0xF7C2,0xF8A2' \
--range '0xF042' \
--range '0xF35B'