drawing-machine/draw.py

#!/usr/bin/env python3
"""
Brings together the different components needed to make the drawing
machine chooch.
"""
import os
import time

import stream
import linedraw

def draw(rec_filename):
	"""
	Takes the filename received from the bluetooth server, vectorizes
	it and streams the resulting G-code to the GRBL controller.
	"""
	print("Vectorizing " + rec_filename + "...")
	then = time.time()
	linedraw.sketch(rec_filename)
	print("Done! Took", "%.3f" % (time.time() - then), "seconds")
	gcode_filename = rec_filename.replace("received", "converted")
	gcode_filename = os.path.splitext(gcode_filename)[0] + ".ngc"
	print("Streaming " + gcode_filename + "...")
	then = time.time()
	stream.stream(gcode_filename)
	print("Done! Took", "%.3f" % (time.time() - then), "seconds")


if __name__ == "__main__":
	import argparse

	parser = argparse.ArgumentParser(
		description="Vectorizes the given image and streams the resultant" \
			+ "G-code to GRBL.")
	parser.add_argument(
		"filename",
		help="The path to the image to be drawn.")
	args = parser.parse_args()

	draw(args.filename)