Turns out the Java programmer will bill me for about 200 euros or so at the end. Quite expensive for such a simple program I think.
So I am considering coming up with my own solution, maybe perhaps working outside of medialab. I remembered the batch files (.bat) we used to use from the DOS days, and just wrote a batch file that can open a series of pictures (once the previous picture is closed) in MS Paint. The experimenter can instruct the subject to do the cropping task before running this batch file. Then when they are done, the experiment can start the rest of the experiment on medialab.
This is probably an idiosyncratic situation so I'm not sure if it interests anybody else here, but just thought I'd still write about it while I try to find a solution.




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