Show HN: Ever wanted to look at yourself in Braille?

Summary

dith Ever wanted to look at yourself... in Braille? Plug in your webcam or throw any image at it: PNG, JPEG, BMP, whatever. 5 classic dithering algorithms render it live in your terminal. Built in Zig with native macOS camera integration. No dependencies, just vibes. What You Can Do Dither anything: # Live camera feed dith +source=cam +mode=atkinson # Any image file dith +source=file +mode=blue_noise +path=photo.png 5 classic dithering algorithms: Mode Best For edge Line art, sketches, outlines atkinson High contrast, classic Mac aesthetic floyd_steinberg Photos, smooth gradients blue_noise Organic, film-grain look bayer Retro 8-bit, crosshatch pattern Fine-tune the output: # Adjust sensitivity dith +source=cam +mode=edge +threshold=50 # Invert colors dith +source=file +mode=bayer +path=image.jpg +invert Install Requirements: Zig 0.15.1+, macOS (for camera source) git clone https://github.com/user/dith cd dith zig build -Doptimize=ReleaseFast Binary is at ./zig-out/bin/dith . Add it to your PATH or copy it somewhere convenient. Usage dith +source=<SOURCE> +mode=<MODE> [options...] Sources Camera - live feed from your webcam dith +source=cam +mode=edge dith +source=cam +mode=atkinson +warmup=5 # more warmup frames dith +source=cam +mode=blue_noise +strategy=direct # no background capture File - PNG, JPEG, or BMP dith +source=file +mode=floyd_steinberg +path=photo.png dith +source=file +mode=bayer +path= ~ /Downloads/image.jpg +invert Options Option Description Default +threshold=N Sensitivity 0-255 varies by mode +invert Flip black/white off +warmup=N Camera warmup frames 3 +strategy= pipelined or direct pipelined Examples # Sketch-like edge detection dith +source=file +mode=edge +path=drawing.png +threshold=5 # Classic Macintosh dithering dith +source=file +mode=atkinson +path=photo.jpg # Smooth photo dithering dith +source=cam +mode=floyd_steinberg +threshold=140 # Cinematic grain dith +source=file +mode=blue_noise +path=portrait.png # Retro game aesthetic dith +so...