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This project help people use internet map to find their place, then print it by a thermal printer.

1. Capture the map screen into a picture


2. Turn the colorful picture into grey picture. And use the threshold algorithm to turn picture into mono picture.

3. Print the picture by a thermal printer in graphic mode.


This project use libusb, graphic algorithm, http server realize, thermal printer layout driver. It was implemented by LaoLiang@SZDIY in 2014.