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Generates Images for a TRMNL Device using SDL
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nedko 58abb91c64 Updated README. Added example config. Added default font for ease of use.
2025-12-04 15:32:42 +02:00
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.gitignore Initial commit. Added base of framework 2025-12-04 13:05:12 +02:00
config_example.json Updated README. Added example config. Added default font for ease of use. 2025-12-04 15:32:42 +02:00
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README.md Updated README. Added example config. Added default font for ease of use. 2025-12-04 15:32:42 +02:00
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sdl_helpers.h Updated README. Added example config. Added default font for ease of use. 2025-12-04 15:32:42 +02:00

README.md

What is this

A utility which can be used to create custom images for TRMNL devices via code

How to write new visual stuff

  1. Inherit from Widget and then do your magic inside your own class.
  2. Add your widget builder in main.cpp inside init builders.
  3. Write your config file.
  4. ???
  5. Profit

ImageMagick commands

Convert image without dithering

magick input.png -monochrome -colors 2 -depth 1 -strip png:output.png

Convert image with dithering

magick input.png -dither FloydSteinberg -remap pattern:gray50 -depth 1 -strip png:output.png

Notes

json.hpp from nlohmann/json v3.11.2