micropython-st7789py-lcd-dr.../docs/_sources/utilities/write_font_converter.rst.txt

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.. _write_font_converter:
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.
.. seealso::
- :ref:`chango.py<chango>`.
- :ref:`noto_fonts.py<noto_fonts>`.
- :ref:`proverbs.py<proverbs>`.
Example
^^^^^^^
.. code-block:: console
# 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
.. code-block:: python
import tft_config
import chango_32
tft = tft_config.config(1)
tft.write(chango_32, "Hello World!", 0, 0)
Usage
^^^^^
.. code-block:: console
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-."