Matrix/API/main.py

#!/usr/bin/env python
from deps.samplebase import SampleBase
from rgbmatrix import graphics

from flask import Flask, request, jsonify
from waitress import serve
import time, threading


api = Flask(__name__)

@api.route('/text', methods=['POST'])
def display_text():
	response = { 'success': True }
	try:
		global matrix

		data = request.get_json()
		text = data.get('text')
		x_coord = data.get('x')
		y_coord = data.get('y')

		matrix.text(x_coord, y_coord, text)
	except:
		response['success'] = False

	return jsonify(response)

@api.route('/update', methods=['GET'])
def update_matrix():
	response = { 'success': True }

	try:
		global matrix
		matrix.update()
	except:
		response['success'] = False

	return jsonify(response)


class Matrix(SampleBase):
	def __init__(self, *args, **kwargs):
		super(Matrix, self).__init__(*args, **kwargs)

	def run(self):
		self.font = graphics.Font()
		self.font.LoadFont("deps/fonts/9x18B.bdf")
		self.color = graphics.Color(255, 255, 255)
		
		self.canvas = self.matrix.CreateFrameCanvas()
		self.canvas.Clear()

		while True:
			time.sleep(.05)

	def update(self):
		self.canvas = self.matrix.SwapOnVSync(self.canvas)
		self.canvas.Clear()

	def text(self, x, y, t):
		graphics.DrawText(self.canvas, self.font, x*9, (y+1)*18, self.color, t)


matrix = None
if __name__ == "__main__":
	matrix = Matrix()
	threading.Thread(target=lambda: serve(api, host="0.0.0.0", port=8080)).start()

	if not matrix.process():
		matrix.print_help()