add a raw output mode that prints line coordinates

This change adds a raw output mode enabled by -r or --raw, that outputs
line endpoints coordinates rather than CASIO Basic code, for whenever a
smart line-based drawing algorithm is used in another context.

sprite-optimizer.py

@@ -141,6 +141,17 @@ def generate_code(lines, args):
 	return code
 
 
+def generate_raw(lines, args):
+	"""Generate raw line coordinates"""
+	ox, oy = int(args.offset[0]), int(args.offset[1])
+	code = ""
+
+	for (x_end, y_end), (x_start, y_start) in lines:
+		code += f"{x_start} {y_start} {x_end} {y_end}\n"
+
+	return code
+
+
 # From Zezeombye's BIDE
 def get_coord(start, end):
 	"""Convert a pair of coordonates to the appropriate x+yT  Multi DrawStat output"""
@@ -174,6 +185,7 @@ if __name__ == "__main__":
 	parser.add_argument('-p', '--progress', action='store_true', help='print progress info')
 	parser.add_argument('-s', '--show', action='store_true', help='show the result')
 	parser.add_argument('-d', '--draw', action='store_true', help='draw the result into a new file')
+	parser.add_argument('-r', '--raw', action='store_true', help='print raw line coordinates')
 
 	args = parser.parse_args()
 
@@ -194,10 +206,15 @@ if __name__ == "__main__":
 
 	if args.info:
 		print_stats(image)
+
 	lines = get_lines(image)
 	lines = removing_useless(lines)
 	lines = get_best_solution(image, lines)
-	code = generate_code(lines, args)
+
+	if args.raw:
+		code = generate_raw(lines, args)
+	else:
+		code = generate_code(lines, args)
 
 	if args.draw or args.show:
 		export = Image.new('RGB', image.size, 'white')