GFXP Viewer is a fork of GFXP, and is used to view a large selection of dither styles directly on the Playdate device. Get the .PDX directly (GFXP-Viewer.pdx.zip) and sideload it to your Playdate, or clone this repo and run the project yourself. :)
D-pad up/down or crank - Cycle forward and back through dither options
D-pad Left button - Show or hide the dither options list
A button - Swap between normal dither and inverted
B button - Swap display modes between Circle, Fill, Swap Front, and Swap Back
Menu button - Options to hide all UI and to invert the UI color
Full credit for the original GFXP tool goes to Ivan Sergeev. This is simply a convenience viewing tool for use on the Playdate device.
The MIT License (MIT)