Update tile_processor.py

tile_processor.py

@@ -77,48 +77,55 @@ class TileProcessor:
 
         return tiles
 
-    def create_output_canvas(
-        self,
-        image
-    ):
-
-        width, height = image.size
-
-        return Image.new(
-            "RGB",
-            (
-                width * self.scale,
-                height * self.scale
-            )
+def create_output_canvas(
+    self,
+    image
+):
+
+    width, height = image.size
+
+    return Image.new(
+        "RGBA",
+        (
+            width * self.scale,
+            height * self.scale
+        ),
+        (0, 0, 0, 0)
+    )
+
+def paste_tile(
+    self,
+    canvas,
+    tile_info,
+    upscaled_tile
+):
+
+    x = tile_info["left"] * self.scale
+    y = tile_info["top"] * self.scale
+
+    if self.use_feather:
+
+        print(
+            f"Blend tile ({tile_info['left']}, {tile_info['top']})"
         )
 
-    def paste_tile(
-        self,
-        canvas,
-        tile_info,
-        upscaled_tile
-    ):
-
-        x = tile_info["left"] * self.scale
-        y = tile_info["top"] * self.scale
-
-        if self.use_feather:
-
-            print(
-                f"Blend tile ({tile_info['left']}, {tile_info['top']})"
-            )
-
-        canvas.paste(
-            upscaled_tile,
-            (
-                x,
-                y
-            )
+        #
+        # Пока готовим архитектуру.
+        # Следующим шагом здесь появится
+        # настоящее feather blending.
+        #
+
+    canvas.alpha_composite(
+        upscaled_tile.convert("RGBA"),
+        (
+            x,
+            y
         )
+    )
 
     def finish(
-        self,
-        canvas
-    ):
+    self,
+    canvas
+):
 
-        return canvas
+    return canvas.convert("RGB")