Fix inpaint upload for alpha masks, create reusable function

1 files changed, 9 insertions, 1 deletions

diff --git a/modules/processing.py b/modules/processing.py
index 1d098302..e62db62f 100755
--- a/modules/processing.py
+++ b/modules/processing.py
@@ -81,6 +81,12 @@ def apply_overlay(image, paste_loc, index, overlays):
 

     return image

 

+def create_binary_mask(image):

+    if image.mode == 'RGBA' and image.getextrema()[-1] != (255, 255):

+        image = image.split()[-1].convert("L").point(lambda x: 255 if x > 128 else 0)

+    else:

+        image = image.convert('L')

+    return image

 

 def txt2img_image_conditioning(sd_model, x, width, height):

     if sd_model.model.conditioning_key in {'hybrid', 'concat'}: # Inpainting models

@@ -1385,7 +1391,9 @@ class StableDiffusionProcessingImg2Img(StableDiffusionProcessing):
         image_mask = self.image_mask

 

         if image_mask is not None:

-            image_mask = image_mask.convert('L')

+            # image_mask is passed in as RGBA by Gradio to support alpha masks,

+            # but we still want to support binary masks.

+            image_mask = create_binary_mask(image_mask)

 

             if self.inpainting_mask_invert:

                 image_mask = ImageOps.invert(image_mask)