fix bugs

app.py

@@ -52,15 +52,28 @@ class AnimateController:
         img_path = os.path.join(self.savedir, "input_image.png")
         pil_image.save(img_path)
         self.image_resolution = pil_image.size
-        pil_image = pil_image.resize((width_slider, height_slider))
+
+        original_width, original_height = pil_image.size
         if center_crop:
-            width, height = width_slider, height_slider
-            aspect_ratio = width / height
-            if aspect_ratio > 16 / 10:
-                pil_image = pil_image.crop((int((width - height * 16 / 10) / 2), 0, int((width + height * 16 / 10) / 2), height))
-            elif aspect_ratio < 16 / 10:
-                pil_image = pil_image.crop((0, int((height - width * 10 / 16) / 2), width, int((height + width * 10 / 16) / 2)))
-        return gr.Textbox.change(value=img_path), gr.Image.change(value=np.array(pil_image))
+            crop_aspect_ratio = width_slider / height_slider
+            aspect_ratio = original_width / original_height
+            if aspect_ratio > crop_aspect_ratio:
+                new_width = int(crop_aspect_ratio * original_height)
+                left = (original_width - new_width) / 2
+                top = 0
+                right = left + new_width
+                bottom = original_height
+                pil_image = pil_image.crop((left, top, right, bottom))
+            elif aspect_ratio < crop_aspect_ratio:
+                new_height = int(original_width / crop_aspect_ratio)
+                top = (original_height - new_height) / 2
+                left = 0
+                right = original_width
+                bottom = top + new_height
+                pil_image = pil_image.crop((left, top, right, bottom))
+                
+        pil_image = pil_image.resize((width_slider, height_slider))
+        return gr.Textbox(value=img_path), gr.Image(value=np.array(pil_image))
 
     @spaces.GPU
     def animate(
@@ -180,7 +193,7 @@ class AnimateController:
             f.write(json_str)
             f.write("\n\n")
             
-        return gr.Video.change(value=save_sample_path)
+        return gr.Video(value=save_sample_path)
         
 
 controller = AnimateController()
@@ -198,7 +211,7 @@ def ui():
         with gr.Column(variant="panel"):
             gr.Markdown(
                 """
-                - Input image can be specified using the "Input Image Path/URL" text box (this can be either a local image path or an image URL) or uploaded by clicking or dragging the image to the "Input Image" box. The uploaded image will be temporarily stored in the "samples/Gradio" folder under the project root folder.
+                - Input image can be specified using the "Input Image URL" text box or uploaded by clicking or dragging the image to the "Input Image" box. The uploaded image will be temporarily stored in the "samples/Gradio" folder under the project root folder.
                 - Input image can be resized and/or center cropped to a given resolution by adjusting the "Width" and "Height" sliders. It is recommended to use the same resolution as the training resolution (256x256).
                 - After setting the input image path or changed the width/height of the input image, press the "Preview" button to visualize the resized input image.
                 """
@@ -230,7 +243,7 @@ def ui():
                         
                         seed_textbox = gr.Textbox(label="Seed", value=-1)
                         seed_button  = gr.Button(value="\U0001F3B2", elem_classes="toolbutton")
-                        seed_button.click(fn=lambda: gr.Textbox.change(value=random.randint(1, 1e8)), inputs=[], outputs=[seed_textbox])
+                        seed_button.click(fn=lambda: gr.Textbox(value=random.randint(1, 1e8)), inputs=[], outputs=[seed_textbox])
                     
                     
             
@@ -238,7 +251,7 @@ def ui():
                 
                 with gr.Column():
                     with gr.Row():
-                        input_image_path = gr.Textbox(label="Input Image Path/URL", lines=1, scale=10, info="Press Enter or the Preview button to confirm the input image.")
+                        input_image_path = gr.Textbox(label="Input Image URL", lines=1, scale=10, info="Press Enter or the Preview button to confirm the input image.")
                         preview_button = gr.Button(value="Preview")
                     
                     with gr.Row():
@@ -273,7 +286,7 @@ def ui():
                         pil_image = pil_image.crop((left, top, right, bottom))
                 
                 pil_image = pil_image.resize((width_slider, height_slider))
-                return gr.Image.change(value=np.array(pil_image))
+                return gr.Image(value=np.array(pil_image))
             
             preview_button.click(fn=update_and_resize_image, inputs=[input_image_path, height_slider, width_slider, center_crop], outputs=[input_image])
             input_image_path.submit(fn=update_and_resize_image, inputs=[input_image_path, height_slider, width_slider, center_crop], outputs=[input_image])