Press + or - to change which colour is selected. Pressing space will also save the file.
Press t to switch between tile and sprite mode. This only affects how the colours are displayed, and whether you can access the shading slider.
Press i to import colour data from "import.txt." This colour data is written in 255-255-255-255 notation.
The file is save to the file called "newtexture.bin" and "newtexturecolours.bin"
it loads the texture in base.bin and basecolours.bin on startup
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