248 lines
7.5 KiB
Python
248 lines
7.5 KiB
Python
import numpy as np
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import torch
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import torch.nn.functional as F
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from PIL import Image
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import math
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import torchvision.transforms.functional as Ft
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import comfy.utils
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import comfy.model_management
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class Blend:
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def __init__(self):
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pass
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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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"image1": ("IMAGE",),
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"image2": ("IMAGE",),
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"blend_factor": ("FLOAT", {
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"default": 0.5,
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"min": 0.0,
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"max": 1.0,
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"step": 0.01
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}),
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"blend_mode": (["normal", "multiply", "screen", "overlay", "soft_light", "difference", "add"],),
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},
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}
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RETURN_TYPES = ("IMAGE",)
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FUNCTION = "blend_images"
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CATEGORY = "Badman"
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def blend_images(self, image1: torch.Tensor, image2: torch.Tensor, blend_factor: float, blend_mode: str):
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image2 = image2.to(image1.device)
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if image1.shape != image2.shape:
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image2 = image2.permute(0, 3, 1, 2)
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image2 = comfy.utils.common_upscale(image2, image1.shape[2], image1.shape[1], upscale_method='bicubic', crop='center')
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image2 = image2.permute(0, 2, 3, 1)
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blended_image = self.blend_mode(image1, image2, blend_mode)
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blended_image = image1 * (1 - blend_factor) + blended_image * blend_factor
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blended_image = torch.clamp(blended_image, 0, 1)
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return (blended_image,)
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def blend_mode(self, img1, img2, mode):
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if mode == "normal":
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return img2
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elif mode == "multiply":
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return img1 * img2
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elif mode == "add":
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return img1 + img2
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elif mode == "screen":
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return 1 - (1 - img1) * (1 - img2)
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elif mode == "overlay":
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return torch.where(img1 <= 0.5, 2 * img1 * img2, 1 - 2 * (1 - img1) * (1 - img2))
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elif mode == "soft_light":
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return torch.where(img2 <= 0.5, img1 - (1 - 2 * img2) * img1 * (1 - img1), img1 + (2 * img2 - 1) * (self.g(img1) - img1))
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elif mode == "difference":
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return img1 - img2
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else:
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raise ValueError(f"Unsupported blend mode: {mode}")
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def g(self, x):
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return torch.where(x <= 0.25, ((16 * x - 12) * x + 4) * x, torch.sqrt(x))
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class HexGenerator:
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def __init__(self):
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pass
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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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"r": ("FLOAT", {
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"default": 0.5,
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"min": 0.0,
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"max": 1.0,
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"step": 0.01
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}),
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"g": ("FLOAT", {
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"default": 0.5,
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"min": 0.0,
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"max": 1.0,
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"step": 0.01
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}),
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"b": ("FLOAT", {
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"default": 0.5,
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"min": 0.0,
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"max": 1.0,
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"step": 0.01
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}),
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"grayscale": ("BOOLEAN",),
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},
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}
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RETURN_TYPES = ("INT",)
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FUNCTION = "linear_rgb_to_int"
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CATEGORY = "Badman"
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def linear_rgb_to_int(self,r, g, b, grayscale=False):
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"""
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Converts linear RGB values to an integer color code.
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Parameters:
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r (float): Red value (0.0-1.0)
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g (float): Green value (0.0-1.0)
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b (float): Blue value (0.0-1.0)
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grayscale (bool): If True, use the r value for all RGB components
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Returns:
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int: Integer color code in the format 0xRRGGBB
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"""
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if grayscale:
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g = b = r
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# Convert float values to int (0-255)
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r_int = int(round(r * 255))
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g_int = int(round(g * 255))
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b_int = int(round(b * 255))
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# Combine into a single integer
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color_int = (r_int << 16) + (g_int << 8) + b_int
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return (color_int,)
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# Taken from Yancs Node pack https://github.com/ALatentPlace/ComfyUI_yanc
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def permute_tt(image):
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return image.permute(0, 3, 1, 2)
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def permute_ft(image):
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return image.permute(0, 2, 3, 1)
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class Brightness:
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@classmethod
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def INPUT_TYPES(s):
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return {"required":
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{
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"image": ("IMAGE",),
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"brightness": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 2.0, "step": 0.01}),
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},
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"optional":
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{
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"mask_opt": ("MASK",),
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}
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}
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CATEGORY = "Badman"
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RETURN_TYPES = ("IMAGE",)
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RETURN_NAMES = ("image",)
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FUNCTION = "do_it"
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def do_it(self, image, brightness, mask_opt=None):
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if mask_opt is not None:
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mask = mask_opt.clone()
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mask = permute_tt(mask.unsqueeze(-1))
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else:
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mask = torch.ones_like(image)
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mask = permute_tt(mask)
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img = image.clone()
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img = permute_tt(img)
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img = Ft.adjust_brightness(img * mask, brightness)
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img = img + permute_tt(image) * Ft.invert(mask)
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img = permute_ft(img)
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return (img,)
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# ------------------------------------------------------------------------------------------------------------------ #
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import torch
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import math
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import random
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import time
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class RandomColorImageGrid:
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def __init__(self, device="cpu"):
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self.device = device
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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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"width": ("INT", {"default": 1024, "min": 1}),
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"height": ("INT", {"default": 1024, "min": 1}),
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"batch_size": ("INT", {"default": 1, "min": 1, "max": 4096}),
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"num_colors": ("INT", {"default": 4, "min": 1}),
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}
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}
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RETURN_TYPES = ("IMAGE",)
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FUNCTION = "generate"
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CATEGORY = "image"
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def generate(self, width, height, batch_size=1, num_colors=4):
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# Seed the random number generator uniquely for each call
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random.seed(time.time() + random.randint(0, 10000))
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# Calculate rows and columns based on number of colors
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rows = math.ceil(math.sqrt(num_colors))
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cols = math.ceil(num_colors / rows)
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tile_width = width // cols
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tile_height = height // rows
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# Create tensors for the R, G, B channels
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images = []
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for _ in range(batch_size):
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r = torch.zeros([height, width], dtype=torch.float32, device=self.device)
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g = torch.zeros([height, width], dtype=torch.float32, device=self.device)
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b = torch.zeros([height, width], dtype=torch.float32, device=self.device)
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# Generate random colors and fill the tiles
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color_idx = 0
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for i in range(rows):
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for j in range(cols):
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if color_idx >= num_colors:
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break
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color_r = random.randint(0, 255) / 255.0
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color_g = random.randint(0, 255) / 255.0
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color_b = random.randint(0, 255) / 255.0
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x_start, x_end = j * tile_width, (j + 1) * tile_width
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y_start, y_end = i * tile_height, (i + 1) * tile_height
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r[y_start:y_end, x_start:x_end] = color_r
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g[y_start:y_end, x_start:x_end] = color_g
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b[y_start:y_end, x_start:x_end] = color_b
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color_idx += 1
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# Concatenate the R, G, B channels along the last dimension
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image = torch.stack([r, g, b], dim=-1)
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images.append(image)
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# Return the batch of images
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return (torch.stack(images),)
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