write_font_converter.py

Convert characters from a truetype font to a python bitmap for use with the bitmap or write method. The chango, noto_fonts and proverbs examples use converted TrueType fonts.

See also

• chango.py.

• noto_fonts.py.

• proverbs.py.

Example

# convert the Chango-Regular.ttf to a python bitmap module with approximately 32 pixel high characters
./write_font_converter.py Chango-Regular.ttf 32 -c 0x20-0x7f > chango_32.py

import tft_config
import chango_32
tft = tft_config.config(1)
tft.write(chango_32, "Hello World!", 0, 0)

Usage

usage: write_font_converter.py [-h] [-width FONT_WIDTH] (-c CHARACTERS | -s STRING) font_file font_height

Convert characters from a truetype font to a python bitmap for use with the bitmap method in the st7789 and ili9342 drivers.

positional arguments:
font_file             name of font file to convert.
font_height           size of font to create bitmaps from.

optional arguments:
-h, --help            show this help message and exit
-width FONT_WIDTH, --font_width FONT_WIDTH
                        width of font to create bitmaps from.

character selection:
characters from the font to include in the bitmap.

-c CHARACTERS, --characters CHARACTERS
                        integer or hex character values and/or ranges to include. For example: "65, 66, 67" or "32-127" or "0x30-0x39,
                        0x41-0x5a"
-s STRING, --string STRING
                        string of characters to include For example: "1234567890-."