fix broken resize,add single file convert support

app.py

@@ -94,24 +94,33 @@ def process_create_gif(images,duration=100, quantize=False,disposal=1,blend=0,lo
     
     return output_buffer.getvalue()
 
-def save_to_image(image,extension="png"):
+def save_to_image(image,extension="png",quality=0.8):
     id = get_image_id(image)
     path = os.path.join(dir_name,f"{id}.{extension}")
-    image.save(path)
+    if extension == "jpg" or extension == "jpeg" or extension == "webp":
+        image.save(path,quality=quality)
+    else:
+        image.save(path)
     return path
 
 
 def convert_webp_to_images(webp_path):
-     # 各フレームをリストに保存
+     # add list
   frames = []
   durations = []
   Image.init()
   image = Image.open(webp_path)
-  for i in range(image.n_frames):
-    image.seek(i)
-    frame = image.copy()
-    frames.append(frame)
-    durations.append(frame.info["duration"])
+  if hasattr(image,"n_frames"):
+    for i in range(image.n_frames):
+        image.seek(i)
+        frame = image.copy()
+        frames.append(frame)
+        duration = getattr(frame.info,"duration",100)
+        durations.append(duration)
+  else:# webp never happen?
+      frames.append(image)
+      durations.append(100)#default
+
   return frames,durations
 
 def buffer_to_id(buffer_value):
@@ -139,10 +148,10 @@ def process_images(input_path,same_size=False,image_width=128,file_format="webp"
     new_width,new_height = frames[0].size
     if not same_size and image_width!=new_width:
        
-        ratio = new_width/new_height
+        ratio = new_height/new_width
         new_height = int(image_width*ratio)
         new_width = image_width
-        #print(f"new size {new_width} x {new_height}")
+        #print(f"ratio = {ratio} new size {new_width} x {new_height}")
         for frame in frames:
             new_frame = frame.resize((new_width,new_height))# extremly slow Image.LANCZOS
             new_frames.append(new_frame)
@@ -176,8 +185,9 @@ def process_images(input_path,same_size=False,image_width=128,file_format="webp"
         
         images.append((gif_path,"gif"))
     else:
+        f,extension = file_format.split("-")
         for i ,frame in enumerate(new_frames):
-            path = save_to_image(frame)
+            path = save_to_image(frame,extension,webp_quality)
             images.append((path,f"index {i}"))
 
     return images
@@ -254,7 +264,7 @@ with gr.Blocks(css=css, elem_id="demo-container") as demo:
                     # size slider
 
                     file_format=gr.Dropdown(
-                    ["webp", "apng", "gif","images"], label="Animation Format", info="Convert to  Animattion" )
+                    ["webp", "apng", "gif","images-png","images-jpg"], label="Animation Format", info="Convert to  Animattion" )
                     
                     same_size = gr.Checkbox(label="Same Size",value=False)