adding copy image from canvas; adding paste image to canvas

src/GUI.py

@@ -12,6 +12,8 @@ from utils.text_entry import TextEntryHandler
 from utils.file_operations import FileOperationsHandler
 from utils.image_properties import ImagePropertiesHandler
 from utils.filter_params import FilterParamsHandler
+from ImageManipulation.CopyToClipboard import CopyToClipboard
+from ImageManipulation.PasteFromClipboard import PasteFromClipboard
 from functools import partial
 
 
@@ -126,6 +128,8 @@ class GUI:
         filter_menu.add_command(label="Histogram Thresholding", command=lambda: self._applyHistogramThreshold())
         clipboard_menu = tk.Menu(menu, tearoff=0)
         menu.add_cascade(label="Clipboard", menu=clipboard_menu)
+        clipboard_menu.add_command(label="Copy Image", accelerator="Ctrl+C", command=lambda: self._copyImage())
+        clipboard_menu.add_command(label="Paste Image", accelerator="Ctrl+V", command=lambda: self._pasteImage())
         tools_menu = tk.Menu(menu, tearoff=0)
         menu.add_cascade(label="Tools", menu=tools_menu)
         tools_menu.add_command(label="Zoom In", accelerator="Ctrl+Plus", command=lambda: self._zoomIn())
@@ -239,6 +243,8 @@ class GUI:
         root.bind_all('<Control-plus>', lambda event: self._zoomIn())
         root.bind_all('<Control-equal>', lambda event: self._zoomIn())  # Plus key without shift
         root.bind_all('<Control-minus>', lambda event: self._zoomOut())
+        root.bind_all('<Control-c>', lambda event: self._copyImage())
+        root.bind_all('<Control-v>', lambda event: self._pasteImage())
 
         root.mainloop()
 
@@ -567,6 +573,59 @@ class GUI:
         params = {"scale": 0.8}
         self._applyManipulation(manipulation, params)
 
+    def _copyImage(self) -> None:
+        """Copy the current image to the system clipboard."""
+        if self._currentImage is None or self._currentImage.getImage() is None:
+            messagebox.showwarning("No Image", "Please load an image first.")
+            return
+        
+        manipulation = CopyToClipboard()
+        manipulation.manipulateImage(self._currentImage, {})
+        
+        # Check if copy was successful
+        if self._currentImage._clipboard_copy_success:
+            messagebox.showinfo("Copy", "Image copied to clipboard.")
+        else:
+            messagebox.showerror(
+                "Copy Error",
+                "Failed to copy image to clipboard.\n\n"
+                "Windows: Please install pywin32 (pip install pywin32)\n"
+                "Linux: Please install xclip (sudo apt-get install xclip)"
+            )
+        # Clean up the attribute
+        delattr(self._currentImage, '_clipboard_copy_success')
+
+    def _pasteImage(self) -> None:
+        """Paste an image from the system clipboard."""
+        manipulation = PasteFromClipboard()
+        
+        # If no current image exists, create a new ImageContainer
+        if self._currentImage is None or self._currentImage.getImage() is None:
+            self._currentImage = ImageContainer()
+        
+        manipulation.manipulateImage(self._currentImage, {})
+        
+        # Check if paste was successful
+        if hasattr(self._currentImage, '_clipboard_paste_success'):
+            if self._currentImage._clipboard_paste_success:
+                # Re-render the image
+                self._renderCurrentImage()
+                messagebox.showinfo("Paste", "Image pasted from clipboard.")
+            else:
+                error_msg = getattr(self._currentImage, '_clipboard_paste_error', 
+                                  "Failed to paste image from clipboard.")
+                messagebox.showerror(
+                    "Paste Error",
+                    f"{error_msg}\n\n"
+                    "Windows: Please install pywin32 (pip install pywin32)\n"
+                    "Linux: Please install xclip (sudo apt-get install xclip)"
+                )
+            # Clean up the attributes
+            if hasattr(self._currentImage, '_clipboard_paste_success'):
+                delattr(self._currentImage, '_clipboard_paste_success')
+            if hasattr(self._currentImage, '_clipboard_paste_error'):
+                delattr(self._currentImage, '_clipboard_paste_error')
+
     def _openCamera(self):
         camera = CameraWindow()
         camera.run(self)