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fix(nodes): handle zero fade size (i.e. mask blur 0) #7852

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merged 2 commits into from
Mar 27, 2025
Merged

fix(nodes): handle zero fade size (i.e. mask blur 0) #7852

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fix(nodes): handle zero fade size (e.g. mask blur 0)
psychedelicious Mar 27, 2025
cfa3ad3
chore(ui): typegen
psychedelicious Mar 27, 2025
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6 changes: 6 additions & 0 deletions invokeai/app/invocations/image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1095,6 +1095,7 @@ class ExpandMaskWithFadeInvocation(BaseInvocation, WithMetadata, WithBoard):
"""Expands a mask with a fade effect. The mask uses black to indicate areas to keep from the generated image and white for areas to discard.
The mask is thresholded to create a binary mask, and then a distance transform is applied to create a fade effect.
The fade size is specified in pixels, and the mask is expanded by that amount. The result is a mask with a smooth transition from black to white.
If the fade size is 0, the mask is returned as-is.
"""

mask: ImageField = InputField(description="The mask to expand")
Expand All @@ -1104,6 +1105,11 @@ class ExpandMaskWithFadeInvocation(BaseInvocation, WithMetadata, WithBoard):
def invoke(self, context: InvocationContext) -> ImageOutput:
pil_mask = context.images.get_pil(self.mask.image_name, mode="L")

if self.fade_size_px == 0:
# If the fade size is 0, just return the mask as-is.
image_dto = context.images.save(image=pil_mask, image_category=ImageCategory.MASK)
return ImageOutput.build(image_dto)

np_mask = numpy.array(pil_mask)

# Threshold the mask to create a binary mask - 0 for black, 255 for white
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1 change: 1 addition & 0 deletions invokeai/frontend/web/src/services/api/schema.ts
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Expand Up @@ -6451,6 +6451,7 @@ export type components = {
* @description Expands a mask with a fade effect. The mask uses black to indicate areas to keep from the generated image and white for areas to discard.
* The mask is thresholded to create a binary mask, and then a distance transform is applied to create a fade effect.
* The fade size is specified in pixels, and the mask is expanded by that amount. The result is a mask with a smooth transition from black to white.
* If the fade size is 0, the mask is returned as-is.
*/
ExpandMaskWithFadeInvocation: {
/**
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