refactor: enhance camera rotation functionality and integrate with live view

core/camera/camera_controller.py

@@ -18,6 +18,7 @@ class CameraWorker(QObject):
         self.fps = 15
         self.is_streaming = False
         self.is_connected = False
+        self._rotation_index = 0
         self._camera_mutex = QMutex()
 
     @Slot()
@@ -93,13 +94,30 @@ class CameraWorker(QObject):
                     self.error_occurred.emit(error_msg)
                 return
 
-        if frame is not None:
-            # Process the frame and emit it.
-            rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
-            h, w, ch = rgb_image.shape
-            qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
-            pixmap = QPixmap.fromImage(qimg)
-            self.frame_ready.emit(pixmap)
+        if frame is None:
+            return
+        
+        if self._rotation_index == 1:
+            frame = cv2.rotate(frame, cv2.ROTATE_90_CLOCKWISE)
+        elif self._rotation_index == 2:
+            frame = cv2.rotate(frame, cv2.ROTATE_180)
+        elif self._rotation_index == 3:
+            frame = cv2.rotate(frame, cv2.ROTATE_90_COUNTERCLOCKWISE)
+
+        # Process the frame and emit it.
+        rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+        h, w, ch = rgb_image.shape
+        qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
+        pixmap = QPixmap.fromImage(qimg)
+        self.frame_ready.emit(pixmap)
+
+    @Slot()
+    def rotate_left(self):
+        self._rotation_index = (self._rotation_index - 1) % 4
+
+    @Slot()
+    def rotate_right(self):
+        self._rotation_index = (self._rotation_index + 1) % 4
 
 
 
@@ -115,6 +133,8 @@ class CameraController(QObject):
     _stop_camera_requested = Signal()
     _start_stream_requested = Signal()
     _stop_stream_requested = Signal()
+    _rotate_left_requested = Signal()
+    _rotate_right_requested = Signal()
 
     def __init__(self, parent: QObject | None = None) -> None:
         super().__init__(parent)
@@ -135,6 +155,8 @@ class CameraController(QObject):
         self._stop_camera_requested.connect(self._worker.stop_camera)
         self._start_stream_requested.connect(self._worker.start_stream)
         self._stop_stream_requested.connect(self._worker.stop_stream)
+        self._rotate_left_requested.connect(self._worker.rotate_left)
+        self._rotate_right_requested.connect(self._worker.rotate_right)
 
         # Initialize worker when thread starts
         self._thread.started.connect(self._worker.initialize_worker)
@@ -162,4 +184,11 @@ class CameraController(QObject):
 
     def stop_stream(self) -> None:
         self._stop_stream_requested.emit()
+    
+    def rotate_left(self):
+        self._rotate_left_requested.emit()
+
+    def rotate_right(self):
+        self._rotate_right_requested.emit()
+
     

core/camera/camera_manager.py

@@ -115,6 +115,12 @@ class CameraManager(QObject):
 	def get_active_camera_info(self) -> dict | None:
 		return self._active_camera_info
 
+	def rotate_left(self):
+		self._camera_controller.rotate_left()
+
+	def rotate_right(self):
+		self._camera_controller.rotate_right()
+
 	def shutdown(self) -> None:
 		"""Zamyka kontroler kamery i jego wątek."""
 		self.stop_camera()