It already does all of that. In fact, Lua is built in so that you can write custom exporters, sorters, and added functionality. Full source for Lazarus is supplied along with the download.Originally Posted by Robert Kosek
The things that arn't supported (yet) are:
Sizing all "tiles" to the same size
Scaling output
PNG, TIFF, TGA, or other input/output image types (currently only does BMP)
Cropping of imported images
Segmenting of imported images
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