Implemented full-screen endpoint and contrast setting

src/handler/matrix.py

@@ -19,7 +19,12 @@ class MatrixDisplay:
 
         self.device.contrast(self.contrast)
 
+    def set_contrast(self, contrast: int):
+        self.contrast = contrast
+        self.device.contrast(self.contrast)
+
     def show_text(self, text):
+        self.device.contrast(self.contrast)
         width = len(text) * 8 + 4 * 8
         virtual = viewport(self.device, width + 4 * 8, height=8)
         with canvas(virtual) as draw:
@@ -32,7 +37,7 @@ class MatrixDisplay:
             time.sleep(self.text_speed)
 
     def flash(self, count=1):
-        self.device.contrast(255)
+        self.device.contrast(self.contrast)
         while count > 0:
             with canvas(self.device) as draw:
                 draw.rectangle((0, 0, 31, 7), outline="white", fill="white")
@@ -43,15 +48,18 @@ class MatrixDisplay:
             time.sleep(0.1)
 
             count -= 1
-        self.device.contrast(self.contrast)
 
     def turn_off(self):
-        self.device.contrast(0)
         with canvas(self.device) as draw:
             draw.rectangle((0, 0, 31, 7), outline="black", fill="black")
+
+    def turn_full(self):
         self.device.contrast(self.contrast)
+        with canvas(self.device) as draw:
+            draw.rectangle((0, 0, 31, 7), outline="white", fill="white")
 
     def show_current_time(self):
+        self.device.contrast(self.contrast)
         hour = str(datetime.now().hour).rjust(2, "0")
         minute = str(datetime.now().minute).rjust(2, "0")
         with canvas(self.device) as draw:

src/main.py

@@ -1,4 +1,5 @@
 import asyncio
+from typing import Optional
 
 import requests
 from fastapi import FastAPI, HTTPException
@@ -39,6 +40,12 @@ async def start_time_loop():
     return {"message": "Time loop started"}
 
 
+@app.post("/full")
+async def turn_full():
+    await queue.set_idle_action(matrix_display.turn_full)
+    return {"message": "Full screen turned on"}
+
+
 @app.post("/off")
 async def turn_off():
     await queue.set_idle_action(matrix_display.turn_off)
@@ -84,6 +91,14 @@ async def flash(count: int = 1):
     return {"message": "Display flashed"}
 
 
+@app.post("/contrast")
+async def contrast(contrast: Optional[int] = None):
+    if contrast:
+        matrix_display.set_contrast(contrast)
+
+    return {"contrast": matrix_display.contrast}
+
+
 @app.post("/message")
 async def display_message(body: dict):
     message_text = body.get("message")