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add sum case to blend node

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Gee 2026-02-05 11:32:06 +00:00 committed by GitHub
parent 2b70ab9ad0
commit ea67e35a45
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1 changed files with 3 additions and 1 deletions
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4
comfy_extras/nodes_post_processing.py
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@ -24,7 +24,7 @@ class Blend(io.ComfyNode):
io.Image.Input("image1"),
io.Image.Input("image2"),
io.Float.Input("blend_factor", default=0.5, min=0.0, max=1.0, step=0.01),
io.Combo.Input("blend_mode", options=["normal", "multiply", "screen", "overlay", "soft_light", "difference"]),
io.Combo.Input("blend_mode", options=["normal", "multiply", "screen", "overlay", "soft_light", "difference", "sum"]),
],
outputs=[
io.Image.Output(),
@ -59,6 +59,8 @@ class Blend(io.ComfyNode):
return torch.where(img2 <= 0.5, img1 - (1 - 2 * img2) * img1 * (1 - img1), img1 + (2 * img2 - 1) * (cls.g(img1) - img1))
elif mode == "difference":
return img1 - img2
elif mode == "sum":
return img1 + img2
raise ValueError(f"Unsupported blend mode: {mode}")
@classmethod