42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# SharpnessPro/Texture.py
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import torch
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from .utils import ensure_tensor_bchw, to_bhwc, clamp01, gaussian_blur, rgb_to_luma
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class TextureNode:
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"image": ("IMAGE",),
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"radius": ("FLOAT", {"default": 2.0, "min": 0.3, "max": 10.0, "step": 0.1}),
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"strength": ("FLOAT", {"default": 0.4, "min": -1.0, "max": 1.0, "step": 0.01}),
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"luma_only": (["Yes","No"],),
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}
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}
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RETURN_TYPES = ("IMAGE",)
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FUNCTION = "apply"
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CATEGORY = "SharpnessPro/Tone"
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def apply(self, image, radius, strength, luma_only):
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x = ensure_tensor_bchw(image).to(torch.float32)
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# Micro-contrast = high frequency boost with small radius, symmetric, gentle
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low = gaussian_blur(x, radius=radius)
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hf = x - low # high frequencies
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if luma_only == "Yes":
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L = rgb_to_luma(x)
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L_low = rgb_to_luma(low)
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dL = L - L_low
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L_out = (L + strength * dL).clamp(0,1)
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eps = 1e-6
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scale = (L_out + eps) / (L + eps)
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out = clamp01(x * scale)
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else:
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out = clamp01(x + strength * hf)
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return (to_bhwc(out),)
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NODE_CLASS_MAPPINGS = {"Texture": TextureNode}
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NODE_DISPLAY_NAME_MAPPINGS = {"Texture": "SharpnessPro · Texture"}
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