Use rawmode instead of splitting and merging

python-pillow · Jan 4, 2025 · f4104d4 · f4104d4
1 parent bd56a95
commit f4104d4
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/PIL/BlpImagePlugin.py b/src/PIL/BlpImagePlugin.py
@@ -377,9 +377,8 @@ def _decode_jpeg_stream(self) -> None:
             args = image.tile[0].args
             assert isinstance(args, tuple)
             image.tile = [image.tile[0]._replace(args=(args[0], "CMYK"))]
-        r, g, b = image.convert("RGB").split()
-        reversed_image = Image.merge("RGB", (b, g, r))
-        self.set_as_raw(reversed_image.tobytes())
+        rawmode = "BGRA" if self.mode == "RGBA" else "BGR"
+        self.set_as_raw(image.convert("RGB").tobytes(), rawmode)
 
 
 class BLP2Decoder(_BLPBaseDecoder):