Update app.py

app.py

@@ -291,8 +291,9 @@ def _process(img: Image.Image, prompt: str | BoundingBox | None, bg_prompt: str
         masked_alpha = apply_mask(img, mask, defringe=True)
 
         if bg_prompt:
+            # 배경만 생성하고 합성은 하지 않음
             background = generate_background(bg_prompt, aspect_ratio)
-            combined = combine_with_background(masked_alpha, background)
+            combined = background  # 배경 이미지만 반환
         else:
             combined = Image.alpha_composite(Image.new("RGBA", masked_alpha.size, "white"), masked_alpha)
 
@@ -317,7 +318,6 @@ def on_change_prompt(img: Image.Image | None, prompt: str | None, bg_prompt: str
     return gr.update(interactive=bool(img and prompt))
 
 
-# process_prompt 함수 수정
 def process_prompt(img: Image.Image, prompt: str, bg_prompt: str | None = None, 
                   aspect_ratio: str = "1:1", position: str = "bottom-center", 
                   scale_percent: float = 100) -> tuple[Image.Image, Image.Image]:
@@ -334,8 +334,13 @@ def process_prompt(img: Image.Image, prompt: str, bg_prompt: str | None = None,
         results, _ = _process(img, prompt, bg_prompt, aspect_ratio)
         
         if bg_prompt:
-            # 위치와 크기 조정이 필요한 경우
-            combined = combine_with_background(results[2], results[1], position, scale_percent)
+            # 여기서 한 번만 합성 수행
+            combined = combine_with_background(
+                foreground=results[2],  # 추출된 오브젝트
+                background=results[1],  # 생성된 배경
+                position=position,
+                scale_percent=scale_percent
+            )
             return combined, results[2]
         
         return results[1], results[2]