adding requirements for file menu; improving brush color palette.

src/utils/image_properties.py

@@ -0,0 +1,64 @@
+import tkinter as tk
+from tkinter import messagebox
+from typing import Callable
+import sys
+import os
+
+# Add parent directory to path for imports (since we're in utils/ subdirectory)
+_parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+if _parent_dir not in sys.path:
+    sys.path.insert(0, _parent_dir)
+
+
+class ImagePropertiesHandler:
+    """Handler for displaying image properties.
+    
+    This class encapsulates the functionality to display image information
+    such as dimensions, mode, format, file size, and path.
+    """
+    
+    def __init__(self, get_current_image: Callable):
+        """Initialize the image properties handler.
+        
+        Args:
+            get_current_image: Callable that returns the current ImageContainer
+        """
+        self._get_current_image = get_current_image
+    
+    def show_properties(self) -> None:
+        """Display image properties in a dialog."""
+        current_image = self._get_current_image()
+        if current_image is None or current_image.getImage() is None:
+            messagebox.showwarning("No Image", "No image loaded.")
+            return
+        
+        image = current_image.getImage()
+        width, height = current_image.getDimensions()
+        path = current_image.getPath()
+        mode = image.mode if image else "N/A"
+        format_name = image.format if image else "N/A"
+        
+        # Get file size if path exists
+        file_size = "N/A"
+        if path:
+            try:
+                size_bytes = os.path.getsize(path)
+                if size_bytes < 1024:
+                    file_size = f"{size_bytes} bytes"
+                elif size_bytes < 1024 * 1024:
+                    file_size = f"{size_bytes / 1024:.2f} KB"
+                else:
+                    file_size = f"{size_bytes / (1024 * 1024):.2f} MB"
+            except:
+                file_size = "Unknown"
+        
+        # Create properties message
+        properties_text = f"Image Properties\n\n"
+        properties_text += f"Dimensions: {width} x {height} pixels\n"
+        properties_text += f"Mode: {mode}\n"
+        properties_text += f"Format: {format_name}\n"
+        properties_text += f"File Size: {file_size}\n"
+        properties_text += f"Path: {path if path else 'Unsaved'}"
+        
+        messagebox.showinfo("Image Properties", properties_text)
+