feat(api): enable LPW custom pipeline (#27)

api/onnx_web/chain/upscale_outpaint.py

@@ -75,14 +75,14 @@ def upscale_outpaint(
         latents = get_tile_latents(full_latents, dims)
         rng = np.random.RandomState(params.seed)
 
-        result = pipe(
+        result = pipe.inpaint(
+            image,
+            mask,
             prompt,
             generator=rng,
             guidance_scale=params.cfg,
             height=size.height,
-            image=image,
             latents=latents,
-            mask_image=mask,
             negative_prompt=params.negative_prompt,
             num_inference_steps=params.steps,
             width=size.width,

api/onnx_web/diffusion/load.py

@@ -73,6 +73,8 @@ def load_pipeline(
             model,
             provider=device.provider,
             provider_options=device.options,
+            custom_pipeline='lpw_stable_diffusion_onnx',
+            revision='onnx',
             safety_checker=None,
             scheduler=scheduler,
         )

api/onnx_web/diffusion/run.py

@@ -32,7 +32,7 @@ def run_txt2img_pipeline(
     rng = np.random.RandomState(params.seed)
 
     progress = job.get_progress_callback()
-    result = pipe(
+    result = pipe.txt2img(
         params.prompt,
         height=size.height,
         width=size.width,
@@ -77,11 +77,11 @@ def run_img2img_pipeline(
     rng = np.random.RandomState(params.seed)
 
     progress = job.get_progress_callback()
-    result = pipe(
+    result = pipe.img2img(
+        source_image,
         params.prompt,
         generator=rng,
         guidance_scale=params.cfg,
-        image=source_image,
         negative_prompt=params.negative_prompt,
         num_inference_steps=params.steps,
         strength=strength,