Add display photo

Author: Vincent Pillet

requirements.txt

@@ -1,6 +1,6 @@
+flask
 smbus
 spidev
 gpiozero
 pillow
-flask
 # lgpio

run.sh

@@ -0,0 +1 @@
+docker run --net=host -p 5001:5000 --privileged oled

signs/main.py

@@ -12,10 +12,16 @@ def sign():
     oled.display(int(speed))
     return f"Sign : {speed}"
 
+@app.route('/display', methods=['POST'])
+def display():
+    file = request.files['image']
+    oled.photo(file)
+    return f"Displayed"
+
 @app.route("/clear", methods=['GET'])
 def clear():
     oled.clear()
     return f"Clear"
 
 if __name__ == "__main__":
-    app.run(host='0.0.0.0')
+    app.run(host='0.0.0.0', port=5001)

signs/sign.py

@@ -24,6 +24,19 @@ def __init__(self):
     def __del__():
         self.disp.module_exit()
 
+    def photo(self, data):
+        self.disp.clear()
+
+        try:
+            logging.info ("***draw image")
+            Himage2 = Image.new('RGB', (self.disp.width, self.disp.height), 0)  # 0: clear the frame
+            png = Image.open(data)
+            Himage2.paste(png.resize((self.disp.width-20, self.disp.height-20)), (10,10))
+            Himage2=Himage2.rotate(0) 	
+            self.disp.ShowImage(self.disp.getbuffer(Himage2)) 
+        except IOError as e:
+            logging.info(e)
+
     def display(self, speed):
 
         self.disp.clear()