add difference blend mode

This commit is contained in:
matt3o 2023-11-05 19:00:23 +01:00
parent a6c83b3cd0
commit 4acfc11a80
1 changed files with 3 additions and 1 deletions

View File

@ -23,7 +23,7 @@ class Blend:
"max": 1.0,
"step": 0.01
}),
"blend_mode": (["normal", "multiply", "screen", "overlay", "soft_light"],),
"blend_mode": (["normal", "multiply", "screen", "overlay", "soft_light", "difference"],),
},
}
@ -54,6 +54,8 @@ class Blend:
return torch.where(img1 <= 0.5, 2 * img1 * img2, 1 - 2 * (1 - img1) * (1 - img2))
elif mode == "soft_light":
return torch.where(img2 <= 0.5, img1 - (1 - 2 * img2) * img1 * (1 - img1), img1 + (2 * img2 - 1) * (self.g(img1) - img1))
elif mode == "difference":
return img1 - img2
else:
raise ValueError(f"Unsupported blend mode: {mode}")