This is a simple html based sprite editor that helps converting graphic files to c++ header based binary sprite collections that can be used with the graphics system shown in this project: https://www.youtube.com/playlist?list=PLjUbKCHhzPEzCm2_KFAICIN-7QTap_s72 additional points can be stored for each sprite. The first point is used as origin. Checkuot http://bitluni.net/esp32-composite-audio/ for further details.
Public Domain. Do whatever you like with the code but I will be thankfull if you attribute me. Keep the spirit alive :-)