Try refactor everything into separate files

croppa/utils.py

@@ -0,0 +1,34 @@
+import cv2
+import ctypes
+import numpy as np
+from PIL import Image
+
+
+def load_image_utf8(image_path):
+    """Load image with UTF-8 path support using PIL, then convert to OpenCV format"""
+    try:
+        # Use PIL to load image with UTF-8 support
+        pil_image = Image.open(image_path)
+        # Convert PIL image to OpenCV format (BGR)
+        cv_image = cv2.cvtColor(np.array(pil_image), cv2.COLOR_RGB2BGR)
+        return cv_image
+    except Exception as e:
+        raise ValueError(f"Could not load image file: {image_path} - {e}")
+
+
+def get_active_window_title():
+    """Get the title of the currently active window"""
+    try:
+        # Get handle to foreground window
+        hwnd = ctypes.windll.user32.GetForegroundWindow()
+        
+        # Get window title length
+        length = ctypes.windll.user32.GetWindowTextLengthW(hwnd)
+        
+        # Create buffer and get window title
+        buffer = ctypes.create_unicode_buffer(length + 1)
+        ctypes.windll.user32.GetWindowTextW(hwnd, buffer, length + 1)
+        
+        return buffer.value
+    except:
+        return ""