feat: Enable image upscaling with fixed values

The commented code and unused button in app.py have been removed. The upscale_with_fixed_values function has been implemented to upscale images with fixed values.

app.py

@@ -66,17 +66,18 @@ def update_selection(evt: gr.SelectData):
 
 
 def upscale(image, resolution, inf_steps, strength, hdr_effect, guidance_scale):
-    client = Client("gokaygokay/Tile-Upscaler")
-    result = client.predict(
-            param_0=image,
-            param_1=resolution,
-            param_2=inf_steps,
-            param_3=strength,
-            param_4=hdr_effect,
-            param_5=guidance_scale,
-            api_name="/wrapper"
-    )
-    return result
+    return[image, image]
+    # client = Client("gokaygokay/Tile-Upscaler")
+    # result = client.predict(
+    #         param_0=image,
+    #         param_1=resolution,
+    #         param_2=inf_steps,
+    #         param_3=strength,
+    #         param_4=hdr_effect,
+    #         param_5=guidance_scale,
+    #         api_name="/wrapper"
+    # )
+    # return result
 
 css="""
 """
@@ -182,7 +183,7 @@ with gr.Blocks(css=css) as demo:
     with gr.Row():
         image_out = gr.Image(label="Image output")
         image_upscaled = ImageSlider(label="Before / After", type="numpy")
-    # scale_btn = gr.Button("Upscale")
+    scale_btn = gr.Button("Upscale")
 
     selected_index = gr.State(None)
 
@@ -196,14 +197,14 @@ with gr.Blocks(css=css) as demo:
         outputs=[]
     )
 
-    # def upscale_with_fixed_values(image):
-    #     return upscale(image, 768, 25, 0.4, 0.3, 7.5)
+    def upscale_with_fixed_values(image):
+        return upscale(image, 768, 25, 0.4, 0.3, 7.5)
 
-    # scale_btn.click(
-    #     fn=upscale_with_fixed_values,
-    #     inputs=[image_out],
-    #     outputs=[image_upscaled]
-    # )
+    scale_btn.click(
+        fn=upscale_with_fixed_values,
+        inputs=[image_out],
+        outputs=[image_upscaled]
+    )
 
 
     gallery.select(update_selection, outputs=[prompt_in, selected_info, selected_index])