Merge pull request #7219 from abey79/grabclipboard-mac-png

CHANGES.rst

@@ -5,6 +5,9 @@ Changelog (Pillow)
 10.0.0 (unreleased)
 -------------------
 
+- Changed grabclipboard() to use PNG instead of JPG compression on macOS #7219
+  [abey79]
+
 - Added in_place argument to ImageOps.exif_transpose() #7092
   [radarhere]
 

src/PIL/ImageGrab.py

@@ -95,14 +95,14 @@ def grab(bbox=None, include_layered_windows=False, all_screens=False, xdisplay=N
 
 def grabclipboard():
     if sys.platform == "darwin":
-        fh, filepath = tempfile.mkstemp(".jpg")
+        fh, filepath = tempfile.mkstemp(".png")
         os.close(fh)
         commands = [
             'set theFile to (open for access POSIX file "'
             + filepath
             + '" with write permission)',
             "try",
-            "    write (the clipboard as JPEG picture) to theFile",
+            "    write (the clipboard as «class PNGf») to theFile",
             "end try",
             "close access theFile",
         ]