Image -> 2DJ Converter

This tool converts any image (png, webp, jpg, etc,) into a format that can be printed to a poster using the sc-peripherals mod on the SwitchCraft server.

Input Image

Width & height will be made a multiple of 128

Scaling

Scale to closest page size

Scale to pages: by

Colors

Dither method

Makes the image appear to have more colors, at a marginal loss of quality

Serpentine Dither

When enabled, dithering will be applied in a "snake pattern" (left -> right, down, right -> left, repeat)

Per Page Quantization

Calculates poster palettes per-page rather than a global palette, resulting in more available colors for larger images

Transparency

Copy transparency to the output

Format and labeling

Export Format

Filename

Append page info

Export Formats

2dj/2dja

Single pages (e.g. a 1x1 page) will be exported as 2dj files, while multiple pages will be exported as 2dja files. The specification for 2dja is as follows:

pages: A JSON array of 2dj JSON objects
width: integer, pages wide
height: integer, pages tall
title: string, filename

zip

Exports a zip file containing the output image separated into 2dj files.

Source code can be found here