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#
# This node facilitates background removal using various models, including RMBG-2.0, INSPYRENET, BEN, BEN2, and BIREFNET-HR.
# It utilizes advanced deep learning techniques to process images and generate accurate masks for background removal.
#
# AILab Image and Mask Tools
# This module is specifically designed for ComfyUI-RMBG, enhancing workflows within ComfyUI.
# It offers a collection of utility nodes for efficient handling of images and masks:
#
# 1. Preview Nodes:
# - Preview: A universal preview tool for both images and masks.
# - ImagePreview: A specialized preview tool for images.
# - MaskPreview: A specialized preview tool for masks.
#
# 2. Load Image Nodes:
# - LoadImage: A node for loading images with some frequently used options.
# - LoadImageSimple: A node for loading images with some frequently used options.
# - LoadImageAdvanced: A node for loading images with advanced options.
# - LoadImageBatch: A node for loading batch images from local path or URL.
#
# 3. Image and Mask Processing Nodes:
# - MaskOverlay: A node for overlaying a mask on an image.
# - ImageMaskConvert: Converts between image and mask formats and extracts masks from image channels.
# - ImageToList: Converts a batch of images into an image list.
# - MaskToList: Converts a batch of masks into a mask list.
# - ImageMaskToList: Converts a batch of images and masks into an image and mask list.
#
# 4. Mask Processing Nodes:
# - MaskEnhancer: Refines masks through techniques such as blur, smoothing, expansion/contraction, and hole filling.
# - MaskCombiner: Combines multiple masks using union, intersection, or difference operations.
#
# 5. Image Processing Nodes:
# - ImageCombiner: Combines foreground and background images with various blending modes and positioning options.
# - ImageStitch: Stitches multiple images together in various directions.
# - ImageCrop: Crops an image to a specified size and position.44
# - ICLoRAConcat: Concatenates images with a mask using IC LoRA.
# - CropObject: Crops an image to the object in the image.
# - ImageCompare: Compares two images and returns a mask of the differences.
# - ImageResize: Full feature Image and mask Resize.
# - UnbatchImages: Unbatch images into individual image.
#
# 5. Input Nodes:
# - ColorInput: A node for inputting colors in various formats.
#
# License: GPL-3.0
# These nodes are crafted to streamline common image and mask operations within ComfyUI workflows.
import os
import random
import folder_paths
import numpy as np
import hashlib
import torch
import cv2
import re
from nodes import MAX_RESOLUTION
from comfy.utils import common_upscale
from PIL import Image, ImageFilter, ImageOps, ImageSequence, ImageChops, ImageDraw, ImageFont
import torchvision.transforms.functional as T
import torch.nn.functional as F
from comfy import model_management
from comfy_extras.nodes_mask import ImageCompositeMasked
from scipy import ndimage
from AILab_utils import (
tensor2pil,
pil2tensor,
pil2mask,
resize_image,
blend_overlay,
fill_mask,
empty_image,
upscale_mask,
extract_alpha_mask,
ensure_mask_shape,
color_format,
COLOR_PRESETS,
)
# Base class for preview
class AILab_PreviewBase:
def __init__(self):
self.output_dir = folder_paths.get_temp_directory()
self.type = "temp"
self.prefix_append = ""
def get_unique_filename(self, filename_prefix):
os.makedirs(self.output_dir, exist_ok=True)
filename = filename_prefix + self.prefix_append
counter = 1
while True:
file = f"{filename}_{counter:04d}.png"
full_path = os.path.join(self.output_dir, file)
if not os.path.exists(full_path):
return full_path, file
counter += 1
def save_image(self, image, filename_prefix, prompt=None, extra_pnginfo=None):
results = []
try:
if isinstance(image, torch.Tensor):
if len(image.shape) == 4: # Batch of images
for i in range(image.shape[0]):
full_output_path, file = self.get_unique_filename(filename_prefix)
img = Image.fromarray(np.clip(image[i].cpu().numpy() * 255, 0, 255).astype(np.uint8))
img.save(full_output_path)
results.append({"filename": file, "subfolder": "", "type": self.type})
else:
full_output_path, file = self.get_unique_filename(filename_prefix)
img = Image.fromarray(np.clip(image.cpu().numpy() * 255, 0, 255).astype(np.uint8))
img.save(full_output_path)
results.append({"filename": file, "subfolder": "", "type": self.type})
else:
full_output_path, file = self.get_unique_filename(filename_prefix)
image.save(full_output_path)
results.append({"filename": file, "subfolder": "", "type": self.type})
return {
"ui": {"images": results},
}
except Exception as e:
print(f"Error saving image: {e}")
return {"ui": {}}
# Preview node
class AILab_Preview(AILab_PreviewBase):
def __init__(self):
super().__init__()
self.prefix_append = "_preview_" + ''.join(random.choice("abcdefghijklmnopqrstupvxyz") for x in range(5))
@classmethod
def INPUT_TYPES(s):
return {
"optional": {
"image": ("IMAGE", {"default": None}),
"mask": ("MASK", {"default": None}),
},
"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
}
RETURN_TYPES = ("IMAGE", "MASK")
RETURN_NAMES = ("IMAGE", "MASK")
FUNCTION = "preview"
OUTPUT_NODE = True
CATEGORY = "🧪AILab/🖼️IMAGE"
def preview(self, image=None, mask=None, prompt=None, extra_pnginfo=None):
results = []
if image is not None:
image_result = self.save_image(image, "image_preview", prompt, extra_pnginfo)
if "ui" in image_result and "images" in image_result["ui"]:
results.extend(image_result["ui"]["images"])
if mask is not None:
preview = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3)
mask_result = self.save_image(preview, "mask_preview", prompt, extra_pnginfo)
if "ui" in mask_result and "images" in mask_result["ui"]:
results.extend(mask_result["ui"]["images"])
return {
"ui": {"images": results},
"result": (image if image is not None else None, mask if mask is not None else None)
}
# Mask overlay node
class AILab_MaskOverlay(AILab_PreviewBase):
def __init__(self):
super().__init__()
self.prefix_append = "_preview_" + ''.join(random.choice("abcdefghijklmnopqrstupvxyz") for x in range(5))
self.compress_level = 4
@classmethod
def INPUT_TYPES(s):
tooltips = {
"mask_opacity": "Control mask opacity (0.0-1.0)",
"mask_color": "Color for the mask overlay",
"image": "Input image (RGBA will be converted to RGB)",
"mask": "Input mask"
}
return {
"required": {
"mask_opacity": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01, "tooltip": tooltips["mask_opacity"]}),
"mask_color": ("COLORCODE", {"default": "#0000FF", "tooltip": tooltips["mask_color"]}),
},
"optional": {
"image": ("IMAGE", {"tooltip": tooltips["image"]}),
"mask": ("MASK", {"tooltip": tooltips["mask"]}),
},
"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
}
RETURN_TYPES = ("IMAGE", "MASK")
RETURN_NAMES = ("IMAGE", "MASK")
FUNCTION = "execute"
CATEGORY = "🧪AILab/🖼️IMAGE"
OUTPUT_NODE = True
def hex_to_rgb(self, hex_color):
"""Convert hex color code to RGB values (0-1 range)"""
hex_color = hex_color.lstrip('#')
r = int(hex_color[0:2], 16) / 255.0
g = int(hex_color[2:4], 16) / 255.0
b = int(hex_color[4:6], 16) / 255.0
return r, g, b
def ensure_rgb(self, image):
"""Ensure image is RGB format, convert from RGBA if needed"""
if image.shape[-1] == 4:
rgb_image = image[..., :3]
return rgb_image
return image
def execute(self, mask_opacity, mask_color, filename_prefix="ComfyUI", image=None, mask=None, prompt=None, extra_pnginfo=None):
"""Execute image and mask composition"""
if image is not None:
image = self.ensure_rgb(image)
preview = None
if mask is not None and image is None:
preview = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3)
elif mask is None and image is not None:
preview = image
elif mask is not None and image is not None:
mask_adjusted = mask * mask_opacity
mask_image = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3).clone()
r, g, b = self.hex_to_rgb(mask_color)
mask_image[:, :, :, 0] = r
mask_image[:, :, :, 1] = g
mask_image[:, :, :, 2] = b
if hasattr(ImageCompositeMasked, "execute"):
preview, = ImageCompositeMasked.execute(image, mask_image, 0, 0, True, mask_adjusted)
else:
preview, = ImageCompositeMasked.composite(image, mask_image, 0, 0, True, mask_adjusted)
if preview is None:
preview = empty_image(64, 64)
if mask is None:
mask = torch.zeros((1, 64, 64))
# Save preview for display
result = self.save_image(preview, filename_prefix, prompt, extra_pnginfo)
# Return both the image and mask for further processing
return {
"ui": result["ui"] if "ui" in result else {},
"result": (preview, mask)
}
# Mask preview node
class AILab_MaskPreview(AILab_PreviewBase):
def __init__(self):
super().__init__()
self.prefix_append = "_mask_preview_" + ''.join(random.choice("abcdefghijklmnopqrstupvxyz") for x in range(5))
@classmethod
def INPUT_TYPES(s):
return {
"required": {"mask": ("MASK",),},
"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
}
RETURN_TYPES = ("MASK",)
RETURN_NAMES = ("MASK",)
FUNCTION = "preview_mask"
OUTPUT_NODE = True
CATEGORY = "🧪AILab/🖼️IMAGE"
def preview_mask(self, mask, prompt=None, extra_pnginfo=None):
preview = mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])).movedim(1, -1).expand(-1, -1, -1, 3)
result = self.save_image(preview, "mask_preview", prompt, extra_pnginfo)
return {
"ui": result["ui"],
"result": (mask,)
}
# Image preview node
class AILab_ImagePreview(AILab_PreviewBase):
def __init__(self):
super().__init__()
self.prefix_append = "_image_preview_" + ''.join(random.choice("abcdefghijklmnopqrstupvxyz") for x in range(5))
@classmethod
def INPUT_TYPES(s):
return {
"required": {"image": ("IMAGE",),},
"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
}
RETURN_TYPES = ("IMAGE",)
RETURN_NAMES = ("IMAGE",)
FUNCTION = "preview_image"
OUTPUT_NODE = True
CATEGORY = "🧪AILab/🖼️IMAGE"
def preview_image(self, image, prompt=None, extra_pnginfo=None):
result = self.save_image(image, "image_preview", prompt, extra_pnginfo)
return {
"ui": result["ui"],
"result": (image,)
}
# Image mask conversion node
class AILab_ImageMaskConvert:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {},
"optional": {
"image": ("IMAGE",),
"mask": ("MASK",),
"mask_channel": (["alpha", "red", "green", "blue"], {"default": "alpha"})
}
}
RETURN_TYPES = ("IMAGE", "MASK")
RETURN_NAMES = ("IMAGE", "MASK")
FUNCTION = "convert"
CATEGORY = "🧪AILab/🖼️IMAGE"
def convert(self, image=None, mask=None, mask_channel="alpha"):
# Case 1: No inputs
if image is None and mask is None:
empty_image = torch.zeros(1, 3, 64, 64)
empty_mask = torch.zeros(1, 64, 64)
return (empty_image, empty_mask)
# Case 2: Only mask input
if image is None and mask is not None:
if mask.ndim == 4:
tensor = mask.permute(0, 2, 3, 1)
tensor_rgb = torch.cat([tensor] * 3, dim=-1)
return (tensor_rgb, mask)
elif mask.ndim == 3:
tensor = mask.unsqueeze(-1)
tensor_rgb = torch.cat([tensor] * 3, dim=-1)
return (tensor_rgb, mask)
elif mask.ndim == 2:
tensor = mask.unsqueeze(0).unsqueeze(-1)
tensor_rgb = torch.cat([tensor] * 3, dim=-1)
return (tensor_rgb, mask.unsqueeze(0))
else:
print(f"Invalid mask shape: {mask.shape}")
empty_image = torch.zeros(1, 3, 64, 64)
return (empty_image, mask)
# Case 3: Only image input
if image is not None and mask is None:
mask_list = []
for img in image:
pil_img = tensor2pil(img)
pil_img = pil_img.convert("RGBA")
r, g, b, a = pil_img.split()
if mask_channel == "red":
channel_img = r
elif mask_channel == "green":
channel_img = g
elif mask_channel == "blue":
channel_img = b
elif mask_channel == "alpha":
channel_img = a
mask = np.array(channel_img.convert("L")).astype(np.float32) / 255.0
mask_tensor = torch.from_numpy(mask)
mask_list.append(mask_tensor)
result_mask = torch.stack(mask_list)
return (image, result_mask)
if image is not None and mask is not None:
if mask.ndim == 4: # [B,C,H,W]
mask = mask.squeeze(1) # Convert to [B,H,W]
return (image, mask)
# Mask enhancer node
class AILab_MaskEnhancer:
@classmethod
def INPUT_TYPES(cls):
tooltips = {
"mask": "Input mask to be processed.",
"sensitivity": "Adjust the strength of mask detection (higher values result in more aggressive detection).",
"mask_blur": "Specify the amount of blur to apply to the mask edges (0 for no blur, higher values for more blur).",
"mask_offset": "Adjust the mask boundary (positive values expand the mask, negative values shrink it).",
"smooth": "Smooth the mask edges (0 for no smoothing, higher values create smoother edges).",
"fill_holes": "Enable to fill holes in the mask.",
"invert_output": "Enable to invert the mask output (useful for certain effects)."
}
return {
"required": {
"mask": ("MASK", {"tooltip": tooltips["mask"]}),
},
"optional": {
"sensitivity": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01, "tooltip": tooltips["sensitivity"]}),
"mask_blur": ("INT", {"default": 0, "min": 0, "max": 64, "step": 1, "tooltip": tooltips["mask_blur"]}),
"mask_offset": ("INT", {"default": 0, "min": -64, "max": 64, "step": 1, "tooltip": tooltips["mask_offset"]}),
"smooth": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 128.0, "step": 0.5, "tooltip": tooltips["smooth"]}),
"fill_holes": ("BOOLEAN", {"default": False, "tooltip": tooltips["fill_holes"]}),
"invert_output": ("BOOLEAN", {"default": False, "tooltip": tooltips["invert_output"]}),
}
}
RETURN_TYPES = ("MASK",)
RETURN_NAMES = ("MASK",)
FUNCTION = "process_mask"
CATEGORY = "🧪AILab/🖼️IMAGE"
def fill_mask_region(self, mask_pil):
"""Fill holes in the mask"""
mask_np = np.array(mask_pil)
contours, _ = cv2.findContours(mask_np, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
filled_mask = np.zeros_like(mask_np)
for contour in contours:
cv2.drawContours(filled_mask, [contour], 0, 255, -1) # -1 means fill
return Image.fromarray(filled_mask)
def process_mask(self, mask, sensitivity=1.0, mask_blur=0, mask_offset=0, smooth=0.0,
fill_holes=False, invert_output=False):
processed_masks = []
for mask_item in mask:
m = mask_item * (1 + (1 - sensitivity))
m = torch.clamp(m, 0, 1)
if smooth > 0:
mask_np = m.cpu().numpy()
binary_mask = (mask_np > 0.5).astype(np.float32)
blurred_mask = ndimage.gaussian_filter(binary_mask, sigma=smooth)
final_mask = (blurred_mask > 0.5).astype(np.float32)
m = torch.from_numpy(final_mask)
if fill_holes:
mask_pil = tensor2pil(m)
mask_pil = self.fill_mask_region(mask_pil)
m = pil2tensor(mask_pil).squeeze(0)
if mask_blur > 0:
mask_pil = tensor2pil(m)
mask_pil = mask_pil.filter(ImageFilter.GaussianBlur(radius=mask_blur))
m = pil2tensor(mask_pil).squeeze(0)
if mask_offset != 0:
mask_pil = tensor2pil(m)
if mask_offset > 0:
for _ in range(mask_offset):
mask_pil = mask_pil.filter(ImageFilter.MaxFilter(3))
else:
for _ in range(-mask_offset):
mask_pil = mask_pil.filter(ImageFilter.MinFilter(3))
m = pil2tensor(mask_pil).squeeze(0)
if invert_output:
m = 1.0 - m
processed_masks.append(m.unsqueeze(0))
return (torch.cat(processed_masks, dim=0),)
# Mask combiner node
class AILab_MaskCombiner:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"mask_1": ("MASK",),
"mode": (["combine", "intersection", "difference"], {"default": "combine"})
},
"optional": {
"mask_2": ("MASK", {"default": None}),
"mask_3": ("MASK", {"default": None}),
"mask_4": ("MASK", {"default": None})
}
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("MASK",)
FUNCTION = "combine_masks"
def combine_masks(self, mask_1, mode="combine", mask_2=None, mask_3=None, mask_4=None):
try:
masks = [m for m in [mask_1, mask_2, mask_3, mask_4] if m is not None]
if len(masks) <= 1:
return (masks[0] if masks else torch.zeros((1, 64, 64), dtype=torch.float32),)
ref_shape = masks[0].shape
masks = [self._resize_if_needed(m, ref_shape) for m in masks]
if mode == "combine":
result = torch.maximum(masks[0], masks[1])
for mask in masks[2:]:
result = torch.maximum(result, mask)
elif mode == "intersection":
result = torch.minimum(masks[0], masks[1])
else:
result = torch.abs(masks[0] - masks[1])
return (torch.clamp(result, 0, 1),)
except Exception as e:
print(f"Error in combine_masks: {str(e)}")
print(f"Mask shapes: {[m.shape for m in masks]}")
raise e
def _resize_if_needed(self, mask, target_shape):
try:
if mask.shape == target_shape:
return mask
if len(mask.shape) == 2:
mask = mask.unsqueeze(0)
elif len(mask.shape) == 4:
mask = mask.squeeze(1)
target_height = target_shape[-2] if len(target_shape) >= 2 else target_shape[0]
target_width = target_shape[-1] if len(target_shape) >= 2 else target_shape[1]
resized_masks = []
for i in range(mask.shape[0]):
mask_np = mask[i].cpu().numpy()
img = Image.fromarray((mask_np * 255).astype(np.uint8))
img_resized = img.resize((target_width, target_height), Image.LANCZOS)
mask_resized = np.array(img_resized).astype(np.float32) / 255.0
resized_masks.append(torch.from_numpy(mask_resized))
return torch.stack(resized_masks)
except Exception as e:
print(f"Error in _resize_if_needed: {str(e)}")
print(f"Input mask shape: {mask.shape}, Target shape: {target_shape}")
raise e
# Base class for image loaders
class AILab_BaseImageLoader:
IMAGE_EXTENSIONS = ('.png', '.jpg', '.jpeg', '.webp', '.gif', '.bmp', '.tiff', '.tif')
@classmethod
def get_image_files(cls):
input_dir = folder_paths.get_input_directory()
os.makedirs(input_dir, exist_ok=True)
return [f for f in os.listdir(input_dir) if os.path.isfile(os.path.join(input_dir, f)) and
f.lower().endswith(cls.IMAGE_EXTENSIONS)]
@classmethod
def get_folder_list(cls):
input_dir = folder_paths.get_input_directory()
os.makedirs(input_dir, exist_ok=True)
return [f for f in os.listdir(input_dir) if os.path.isdir(os.path.join(input_dir, f))]
def download_image(self, url):
try:
import requests
from io import BytesIO
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
}
response = requests.get(url, timeout=10, headers=headers, allow_redirects=True)
if response.status_code != 200:
raise ValueError(f"Failed to download image from URL: {url}, status code: {response.status_code}")
img = Image.open(BytesIO(response.content))
img.load()
return img
except Exception as e:
print(f"Error downloading image from URL: {str(e)}")
raise
def get_image(self, image_path_or_URL="", image=""):
if not image_path_or_URL and (not image or image == ""):
return None
if image_path_or_URL:
image_path_or_URL = image_path_or_URL.strip()
if image_path_or_URL.startswith(('http://', 'https://')):
return self.download_image(image_path_or_URL)
else:
if os.path.isfile(image_path_or_URL):
return Image.open(image_path_or_URL)
else:
input_dir = folder_paths.get_input_directory()
full_path = os.path.join(input_dir, image_path_or_URL)
if os.path.isfile(full_path):
return Image.open(full_path)
else:
raise ValueError(f"Image file not found: {image_path_or_URL}")
else:
if not image or image == "":
return None
image_path = folder_paths.get_annotated_filepath(image)
return Image.open(image_path)
def get_metadata(self, img):
metadata_text = "No metadata found"
try:
if hasattr(img, 'text') and 'parameters' in img.text:
metadata_text = img.text['parameters']
elif hasattr(img, 'info') and 'parameters' in img.info:
metadata_text = img.info['parameters']
elif hasattr(img, 'text') and img.text:
metadata_text = "\n".join([f"{k}: {v}" for k, v in img.text.items()])
except Exception as e:
print(f"Could not read metadata: {e}")
return metadata_text
@classmethod
def calculate_hash(cls, image_path_or_URL="", image=""):
if not image_path_or_URL and (not image or image == ""):
return "no_input"
if image_path_or_URL:
try:
if image_path_or_URL.startswith(('http://', 'https://')):
m = hashlib.sha256()
m.update(image_path_or_URL.encode('utf-8'))
return m.digest().hex()
else:
if os.path.isfile(image_path_or_URL):
file_path = image_path_or_URL
else:
input_dir = folder_paths.get_input_directory()
file_path = os.path.join(input_dir, image_path_or_URL)
if not os.path.isfile(file_path):
return None
m = hashlib.sha256()
with open(file_path, 'rb') as f:
m.update(f.read())
return m.digest().hex()
except:
return None
else:
image_path = folder_paths.get_annotated_filepath(image)
m = hashlib.sha256()
with open(image_path, 'rb') as f:
m.update(f.read())
return m.hexdigest()
@classmethod
def validate_inputs(cls, image_path_or_URL="", image=""):
if not image_path_or_URL and (not image or image == ""):
return True
if image_path_or_URL:
return True
if not folder_paths.exists_annotated_filepath(image):
return f"Invalid image file: {image}"
return True
def process_image_to_tensor(self, img):
if img is None:
return None
img_rgb = img.convert('RGB')
output_images = []
for i in ImageSequence.Iterator(img_rgb):
i = ImageOps.exif_transpose(i)
if i.mode == 'I':
i = i.point(lambda i: i * (1 / 255))
if i.mode != 'RGB':
i = i.convert('RGB')
image = np.array(i).astype(np.float32) / 255.0
if len(image.shape) == 3:
image = torch.from_numpy(image)[None,]
else:
image = torch.from_numpy(image).unsqueeze(0)
output_images.append(image)
return torch.cat(output_images, dim=0) if len(output_images) > 1 else output_images[0]
def resize_image_to_target(self, image, megapixels=0.0, scale_by=1.0, size=0, resize_mode="longest_side", resampling=Image.LANCZOS):
orig_width, orig_height = image.size
if megapixels > 0:
aspect_ratio = orig_width / orig_height
target_pixels = int(megapixels * 1024 * 1024)
final_height = int((target_pixels / aspect_ratio) ** 0.5)
final_width = int(aspect_ratio * final_height)
if final_width != orig_width or final_height != orig_height:
image = image.resize((final_width, final_height), resampling)
return image, final_width, final_height
target_w, target_h = orig_width, orig_height
if size > 0:
if resize_mode == "longest_side":
if orig_width >= orig_height:
target_w = size
target_h = int(orig_height * (size / orig_width))
else:
target_h = size
target_w = int(orig_width * (size / orig_height))
elif resize_mode == "shortest_side":
if orig_width <= orig_height:
target_w = size
target_h = int(orig_height * (size / orig_width))
else:
target_h = size
target_w = int(orig_width * (size / orig_height))
elif resize_mode == "width":
target_w = size
target_h = int(orig_height * (size / orig_width))
elif resize_mode == "height":
target_h = size
target_w = int(orig_width * (size / orig_height))
if scale_by != 1.0:
target_w = int(target_w * scale_by)
target_h = int(target_h * scale_by)
if target_w != orig_width or target_h != orig_height:
image = image.resize((target_w, target_h), resampling)
return image, target_w, target_h
def calculate_target_dimensions(self, orig_width, orig_height, megapixels=0.0, scale_by=1.0, size=0, resize_mode="longest_side"):
if megapixels > 0:
aspect_ratio = orig_width / orig_height
target_pixels = int(megapixels * 1024 * 1024)
final_height = int((target_pixels / aspect_ratio) ** 0.5)
final_width = int(aspect_ratio * final_height)
return final_width, final_height
target_w, target_h = orig_width, orig_height
if size > 0:
if resize_mode == "longest_side":
if orig_width >= orig_height:
target_w = size
target_h = int(orig_height * (size / orig_width))
else:
target_h = size
target_w = int(orig_width * (size / orig_height))
elif resize_mode == "shortest_side":
if orig_width <= orig_height:
target_w = size
target_h = int(orig_height * (size / orig_width))
else:
target_h = size
target_w = int(orig_width * (size / orig_height))
elif resize_mode == "width":
target_w = size
target_h = int(orig_height * (size / orig_width))
elif resize_mode == "height":
target_h = size
target_w = int(orig_width * (size / orig_height))
if scale_by != 1.0:
target_w = int(target_w * scale_by)
target_h = int(target_h * scale_by)
return target_w, target_h
def process_and_resize_image(self, img, mask_channel="alpha", resampling=Image.LANCZOS,
megapixels=0.0, scale_by=1.0, size=0, resize_mode="longest_side",
advanced_mask=False):
resized_img, width, height = self.resize_image_to_target(img, megapixels=megapixels, scale_by=scale_by, size=size, resize_mode=resize_mode, resampling=resampling)
img_rgb = resized_img.convert("RGB")
mask = None
if advanced_mask:
if mask_channel == "alpha" and "A" in resized_img.getbands():
mask = np.array(resized_img.getchannel("A")).astype(np.float32) / 255.0
elif mask_channel == "red":
mask = np.array(img_rgb.getchannel("R")).astype(np.float32) / 255.0
elif mask_channel == "green":
mask = np.array(img_rgb.getchannel("G")).astype(np.float32) / 255.0
elif mask_channel == "blue":
mask = np.array(img_rgb.getchannel("B")).astype(np.float32) / 255.0
else:
if "A" in resized_img.getbands():
mask = np.array(resized_img.getchannel("A")).astype(np.float32) / 255.0
if mask is None:
mask = np.ones((height, width), dtype=np.float32)
image_tensor = self.process_image_to_tensor(img_rgb)
mask_tensor = torch.from_numpy(mask).unsqueeze(0)
if advanced_mask:
mask_image = mask_tensor.reshape((-1, 1, height, width)).movedim(1, -1).expand(-1, -1, -1, 3)
else:
mask_image = None
return image_tensor, mask_tensor, mask_image, width, height
@classmethod
def IS_CHANGED(cls, **kwargs):
return cls.calculate_hash(kwargs.get("image_path_or_URL", ""), kwargs.get("image", ""))
@classmethod
def VALIDATE_INPUTS(cls, **kwargs):
for i in range(1, 4):
if not cls.validate_inputs(kwargs.get(f"image_path_or_URL_{i}", ""), kwargs.get(f"image_{i}", "")):
return f"Invalid image file for image_{i}"
return True
# Simple image loader node (basic functionality)
class AILab_LoadImageSimple(AILab_BaseImageLoader):
@classmethod
def INPUT_TYPES(cls):
files = cls.get_image_files()
return {
"required": {
"image_path_or_URL": ("STRING", {"default": "", "placeholder": "Local path, network path or URL"}),
"image": ([""] + sorted(files) if files else [""], {"image_upload": True}),
},
"hidden": {
"extra_pnginfo": "EXTRA_PNGINFO",
},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT")
FUNCTION = "load_image"
OUTPUT_NODE = False
def load_image(self, image_path_or_URL="", image="", extra_pnginfo=None):
try:
img = self.get_image(image_path_or_URL, image)
if img is None:
print("No image input provided, returning empty image and mask")
empty_image = torch.zeros((1, 64, 64, 3), dtype=torch.float32)
empty_mask = torch.zeros((1, 64, 64), dtype=torch.float32)
return (empty_image, empty_mask, 64, 64)
width, height = img.size
output_image = self.process_image_to_tensor(img)
mask = None
if 'A' in img.getbands():
mask_np = np.array(img.getchannel('A')).astype(np.float32) / 255.0
mask = torch.from_numpy(mask_np).unsqueeze(0)
else:
mask = torch.ones((1, height, width), dtype=torch.float32)
return (output_image, mask, width, height)
except Exception as e:
empty_image = torch.zeros((1, 64, 64, 3), dtype=torch.float32)
empty_mask = torch.zeros((1, 64, 64), dtype=torch.float32)
return (empty_image, empty_mask, 64, 64)
# Standard image loader node (with resize and basic mask)
class AILab_LoadImage(AILab_BaseImageLoader):
upscale_methods = ["nearest-exact", "bilinear", "area", "bicubic", "lanczos"]
@classmethod
def INPUT_TYPES(cls):
files = cls.get_image_files()
return {
"required": {
"image_path_or_URL": ("STRING", {"default": "", "placeholder": "Local path or URL"}),
"image": ([""] + sorted(files) if files else [""], {"image_upload": True}),
"upscale_method": (cls.upscale_methods, {"default": "lanczos"}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01}),
"scale_by": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 8.0, "step": 0.01}),
"resize_mode": (["longest_side", "shortest_side", "width", "height"], {"default": "longest_side"}),
"size": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION}),
},
"hidden": {"extra_pnginfo": "EXTRA_PNGINFO"},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT")
FUNCTION = "load_image"
OUTPUT_NODE = False
def load_image(self, image_path_or_URL="", image="", upscale_method="lanczos", megapixels=0.0,
scale_by=1.0, resize_mode="longest_side", size=0, extra_pnginfo=None):
try:
img = self.get_image(image_path_or_URL, image)
if img is None:
raise ValueError("Image is None")
resampling = {
"nearest-exact": Image.NEAREST,
"bilinear": Image.BILINEAR,
"area": Image.BOX,
"bicubic": Image.BICUBIC,
"lanczos": Image.LANCZOS
}.get(upscale_method, Image.LANCZOS)
image_tensor, mask_tensor, _, width, height = self.process_and_resize_image(
img, resampling=resampling, megapixels=megapixels, scale_by=scale_by,
size=size, resize_mode=resize_mode, advanced_mask=False
)
return image_tensor, mask_tensor, width, height
except Exception as e:
traceback.print_exc()
empty_image = torch.zeros((1, 64, 64, 3))
empty_mask = torch.zeros((1, 64, 64))
return empty_image, empty_mask, 64, 64
# Advanced image loader node (with full mask processing AND metadata output)
class AILab_LoadImageAdvanced(AILab_BaseImageLoader):
upscale_methods = ["nearest-exact", "bilinear", "area", "bicubic", "lanczos"]
@classmethod
def INPUT_TYPES(cls):
files = cls.get_image_files()
return {
"required": {
"image_path_or_URL": ("STRING", {"default": "", "placeholder": "Local path or URL"}),
"image": ([""] + sorted(files) if files else [""], {"image_upload": True}),
"mask_channel": (["alpha", "red", "green", "blue"], {"default": "alpha"}),
"upscale_method": (cls.upscale_methods, {"default": "lanczos"}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01}),
"scale_by": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 8.0, "step": 0.01}),
"resize_mode": (["longest_side", "shortest_side", "width", "height"], {"default": "longest_side"}),
"size": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION}),
},
"hidden": {"extra_pnginfo": "EXTRA_PNGINFO"},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "IMAGE", "INT", "INT", "STRING")
RETURN_NAMES = ("IMAGE", "MASK", "MASK_IMAGE", "WIDTH", "HEIGHT", "METADATA")
FUNCTION = "load_image"
OUTPUT_NODE = False
def load_image(self, image_path_or_URL="", image="", mask_channel="alpha", upscale_method="lanczos", megapixels=0.0,
scale_by=1.0, resize_mode="longest_side", size=0, extra_pnginfo=None):
try:
img = self.get_image(image_path_or_URL, image)
if img is None:
raise ValueError("Image is None")
metadata_text = self.get_metadata(img)
resampling = {
"nearest-exact": Image.NEAREST,
"bilinear": Image.BILINEAR,
"area": Image.BOX,
"bicubic": Image.BICUBIC,
"lanczos": Image.LANCZOS
}.get(upscale_method, Image.LANCZOS)
image_tensor, mask_tensor, mask_image, width, height = self.process_and_resize_image(
img, mask_channel=mask_channel, resampling=resampling, megapixels=megapixels,
scale_by=scale_by, size=size, resize_mode=resize_mode, advanced_mask=True
)
return (image_tensor, mask_tensor, mask_image, width, height, metadata_text)
except Exception as e:
traceback.print_exc()
empty_image = torch.zeros((1, 64, 64, 3))
empty_mask = torch.zeros((1, 64, 64))
empty_mask_image = empty_mask.reshape((-1, 1, 64, 64)).movedim(1, -1).expand(-1, -1, -1, 3)
return (empty_image, empty_mask, empty_mask_image, 64, 64, "Error loading image")
#Batch Image loader node
class AILab_LoadImageBatch(AILab_BaseImageLoader):
upscale_methods = ["nearest-exact", "bilinear", "area", "bicubic", "lanczos"]
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"path_or_urls": ("STRING", {"default": "", "multiline": True, "placeholder": "Path to a directory, comma/new-line separated file paths, OR comma/new-line separated URLs"}),
"upscale_method": (cls.upscale_methods, {"default": "lanczos"}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01}),
"scale_by": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 8.0, "step": 0.01}),
"resize_mode": (["longest_side", "shortest_side", "width", "height"], {"default": "longest_side"}),
"size": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION}),
},
"optional": {
"batch_size": ("INT", {"default": 0, "min": 0, "step": 1, "tooltip": "Number of images to load (0 = all images)"}),
"start_from": ("INT", {"default": 1, "min": 1, "step": 1, "tooltip": "Start from Nth image (1 = first image)"}),
"sort_method": (["sequential", "reverse", "random"], {"default": "sequential", "tooltip": "Image loading order: sequential/reverse/random"}),
},
"hidden": {"extra_pnginfo": "EXTRA_PNGINFO"},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT")
FUNCTION = "load_image_batch"
OUTPUT_NODE = False
@classmethod
def IS_CHANGED(cls, **kwargs):
if 'sort_method' in kwargs and kwargs['sort_method'] == "random":
return float("NaN")
return hashlib.sha256(str(kwargs).encode('utf-8')).hexdigest()
def load_image_batch(self, path_or_urls="", upscale_method="lanczos", megapixels=0.0,
scale_by=1.0, resize_mode="longest_side", size=0,
batch_size=0, start_from=1, sort_method="sequential", extra_pnginfo=None):
image_list = []
input_path = path_or_urls.strip()
if not input_path:
raise ValueError("No input provided. Please specify a path/URL list.")
potential_paths = [path.strip() for path in re.split(r'[,\n]+', input_path) if path.strip()]
if not potential_paths:
raise ValueError("Input is empty or contains only whitespace.")
first_path = potential_paths[0]
if first_path.startswith(('http://', 'https://')):
image_list = [path.strip() for path in re.split(r'[,\n]\s*(?=http)', input_path) if path.strip()]
elif os.path.isdir(first_path):
image_list = [
os.path.join(first_path, f)
for f in os.listdir(first_path)
if os.path.isfile(os.path.join(first_path, f)) and f.lower().endswith(self.IMAGE_EXTENSIONS)
]
image_list.sort()
elif os.path.isfile(first_path):
image_list = [p for p in potential_paths if os.path.isfile(p)]
else:
relative_path_check = os.path.join(folder_paths.get_input_directory(), first_path)
if os.path.isdir(relative_path_check):
image_list = [
os.path.join(relative_path_check, f)
for f in os.listdir(relative_path_check)
if os.path.isfile(os.path.join(relative_path_check, f)) and f.lower().endswith(self.IMAGE_EXTENSIONS)
]
image_list.sort()
elif os.path.isfile(relative_path_check):
image_list = [os.path.join(folder_paths.get_input_directory(), p) for p in potential_paths
if os.path.isfile(os.path.join(folder_paths.get_input_directory(), p))]
else:
raise ValueError(f"Input is not a valid URL, directory, or file path: {first_path}")
if not image_list:
raise ValueError("No valid images found from the provided input.")
if sort_method == "reverse":
image_list.reverse()
elif sort_method == "random":
import random
random.shuffle(image_list)
start_index = max(0, start_from - 1)
if start_index > 0 and start_index < len(image_list):
image_list = image_list[start_index:]
elif start_index >= len(image_list):
raise ValueError(f"start_from ({start_from}) is out of bounds. Only {len(image_list)} images found.")
if batch_size > 0:
image_list = image_list[:batch_size]
if not image_list:
raise ValueError("No images left after applying start_from/batch_size filters.")
resampling = {
"nearest-exact": Image.NEAREST,
"bilinear": Image.BILINEAR,
"area": Image.BOX,
"bicubic": Image.BICUBIC,
"lanczos": Image.LANCZOS
}.get(upscale_method, Image.LANCZOS)
output_images = []
output_masks = []
master_width = 0
master_height = 0
first_img = self.get_image(image_list[0])
resized_first_img, master_width, master_height = self.resize_image_to_target(
first_img, megapixels=megapixels, scale_by=scale_by, size=size,
resize_mode=resize_mode, resampling=resampling
)
img_tensor = self.process_image_to_tensor(resized_first_img)
mask = None
if 'A' in resized_first_img.getbands():
mask_np = np.array(resized_first_img.getchannel('A')).astype(np.float32) / 255.0
mask = torch.from_numpy(mask_np).unsqueeze(0)
else:
mask = torch.ones((1, master_height, master_width), dtype=torch.float32)
output_images.append(img_tensor)
output_masks.append(mask)
for img_path_or_url in image_list[1:]:
img = self.get_image(img_path_or_url)
resized_img = img.resize((master_width, master_height), resampling)
img_tensor = self.process_image_to_tensor(resized_img)
mask = None
if 'A' in resized_img.getbands():
mask_np = np.array(resized_img.getchannel('A')).astype(np.float32) / 255.0
mask = torch.from_numpy(mask_np).unsqueeze(0)
else:
mask = torch.ones((1, master_height, master_width), dtype=torch.float32)
output_images.append(img_tensor)
output_masks.append(mask)
if not output_images:
raise ValueError("All images in the batch failed to load or process.")
return (torch.cat(output_images, dim=0), torch.cat(output_masks, dim=0), master_width, master_height)
# Image combiner node
class AILab_ImageCombiner:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"foreground": ("IMAGE",),
"background": ("IMAGE",),
"mode": (["normal", "multiply", "screen", "overlay", "add", "subtract"],
{"default": "normal"}),
"foreground_opacity": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
"foreground_scale": ("FLOAT", {"default": 1.0, "min": 0.1, "max": 5.0, "step": 0.05}),
"position_x": ("INT", {"default": 50, "min": 0, "max": 100, "step": 1}),
"position_y": ("INT", {"default": 50, "min": 0, "max": 100, "step": 1}),
},
"optional": {
"foreground_mask": ("MASK", {"default": None}),
}
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "INT", "INT")
RETURN_NAMES = ("IMAGE", "WIDTH", "HEIGHT")
FUNCTION = "combine_images"
def combine_images(self, foreground, background, mode="normal", foreground_opacity=1.0,
foreground_scale=1.0, position_x=50, position_y=50, foreground_mask=None):
if len(foreground.shape) == 3:
foreground = foreground.unsqueeze(0)
if len(background.shape) == 3:
background = background.unsqueeze(0)
batch_size = foreground.shape[0]
output_images = []
for b in range(batch_size):
fg_pil = tensor2pil(foreground[b])
bg_pil = tensor2pil(background[b])
if fg_pil.mode != 'RGBA':
fg_pil = fg_pil.convert('RGBA')
if foreground_scale != 1.0:
new_width = int(fg_pil.width * foreground_scale)
new_height = int(fg_pil.height * foreground_scale)
fg_pil = fg_pil.resize((new_width, new_height), Image.LANCZOS)
if foreground_mask is not None:
mask_tensor = foreground_mask[b] if len(foreground_mask.shape) > 2 else foreground_mask
mask_pil = Image.fromarray(np.uint8(mask_tensor.cpu().numpy() * 255))
if mask_pil.size != fg_pil.size:
mask_pil = mask_pil.resize(fg_pil.size, Image.LANCZOS)
r, g, b, a = fg_pil.split()
a = ImageChops.multiply(a, mask_pil)
fg_pil = Image.merge('RGBA', (r, g, b, a))
fg_w, fg_h = fg_pil.size
bg_w, bg_h = bg_pil.size
x = int(bg_w * position_x / 100 - fg_w / 2)
y = int(bg_h * position_y / 100 - fg_h / 2)
new_fg = Image.new('RGBA', (bg_w, bg_h), (0, 0, 0, 0))
new_fg.paste(fg_pil, (x, y), fg_pil)
fg_pil = new_fg
if bg_pil.mode != 'RGBA':
bg_pil = bg_pil.convert('RGBA')
if foreground_opacity < 1.0:
r, g, b, a = fg_pil.split()
a = Image.eval(a, lambda x: int(x * foreground_opacity))
fg_pil = Image.merge('RGBA', (r, g, b, a))
if mode == "normal":
result = bg_pil.copy()
result = Image.alpha_composite(result, fg_pil)
else:
alpha = fg_pil.split()[3]
fg_rgb = fg_pil.convert('RGB')
bg_rgb = bg_pil.convert('RGB')
if mode == "multiply":
blended = ImageChops.multiply(fg_rgb, bg_rgb)
elif mode == "screen":
blended = ImageChops.screen(fg_rgb, bg_rgb)
elif mode == "add":
blended = ImageChops.add(fg_rgb, bg_rgb, 1.0)
elif mode == "subtract":
blended = ImageChops.subtract(fg_rgb, bg_rgb, 1.0)
elif mode == "overlay":
blended = blend_overlay(fg_rgb, bg_rgb)
else:
blended = fg_rgb
blended = blended.convert('RGBA')
r, g, b, _ = blended.split()
blended = Image.merge('RGBA', (r, g, b, alpha))
result = bg_pil.copy()
result = Image.alpha_composite(result, blended)
if result.mode != 'RGB':
white_bg = Image.new('RGB', result.size, 'white')
result = Image.alpha_composite(white_bg.convert('RGBA'), result)
result = result.convert('RGB')
output_images.append(pil2tensor(result))
final_image = torch.cat(output_images, dim=0)
width = final_image.shape[2]
height = final_image.shape[1]
return (final_image, width, height)
# Mask extractor node
class AILab_MaskExtractor:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"mode": (["extract_masked_area", "apply_mask", "invert_mask"], {"default": "extract_masked_area"}),
"background": (["Alpha", "original", "Color"], {"default": "Alpha", "tooltip": "Choose background type"}),
"background_color": ("COLORCODE", {"default": "#FFFFFF", "tooltip": "Choose background color (Alpha = transparent)"})
},
"optional": {
"mask": ("MASK",),
}
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE",)
FUNCTION = "extract_masked_area"
def _prepare_mask(self, mask_np, image_shape):
try:
if isinstance(mask_np, torch.Tensor):
mask_np = mask_np.cpu().numpy()
mask_np = np.array(mask_np)
while len(mask_np.shape) > 2 and mask_np.shape[-1] == 1:
mask_np = mask_np.squeeze(-1)
while len(mask_np.shape) > 2 and mask_np.shape[0] == 1:
mask_np = mask_np.squeeze(0)
if len(mask_np.shape) > 2:
mask_np = mask_np.squeeze()
if mask_np.shape != image_shape[:2]:
mask_pil = Image.fromarray((mask_np * 255).astype(np.uint8))
mask_pil = mask_pil.resize((image_shape[1], image_shape[0]), Image.LANCZOS)
mask_np = np.array(mask_pil).astype(np.float32) / 255.0
mask_np = mask_np[..., np.newaxis]
mask_np = np.repeat(mask_np, image_shape[2], axis=2)
return mask_np
except Exception as e:
print(f"Error in _prepare_mask: {str(e)}")
raise e
def hex_to_rgb(self, hex_color):
hex_color = hex_color.lstrip('#')
r = int(hex_color[0:2], 16) / 255.0
g = int(hex_color[2:4], 16) / 255.0
b = int(hex_color[4:6], 16) / 255.0
return (r, g, b)
def extract_masked_area(self, image, mode="extract_masked_area", background="Alpha", background_color="#FFFFFF", mask=None):
try:
if mask is None and image.shape[-1] == 4:
alpha = image[..., 3]
mask = 1.0 - alpha
image = image[..., :3]
elif mask is None:
mask = torch.ones((image.shape[0], image.shape[1], image.shape[2]), dtype=torch.float32)
pil_image = tensor2pil(image)
image_np = np.array(pil_image).astype(np.float32) / 255.0
mask_np = self._prepare_mask(mask, image_np.shape)
result_np = np.zeros_like(image_np)
if mode == "extract_masked_area":
result_np = image_np * mask_np
if background == "Alpha":
if pil_image.mode != "RGBA":
pil_image = pil_image.convert("RGBA")
result_rgba = np.zeros((*image_np.shape[:2], 4), dtype=np.float32)
result_rgba[:, :, :3] = image_np * mask_np
result_rgba[:, :, 3] = mask_np[..., 0]
result_pil = Image.fromarray((result_rgba * 255).astype(np.uint8), mode="RGBA")
return (torch.from_numpy(np.array(result_pil).astype(np.float32) / 255.0).unsqueeze(0),)
elif background == "original":
result_np = image_np * mask_np
elif background == "Color":
r, g, b = self.hex_to_rgb(background_color)
result_np = result_np + (1 - mask_np) * np.array([r, g, b])
elif mode == "apply_mask":
result_np = image_np * mask_np
if background == "Alpha":
if pil_image.mode != "RGBA":
pil_image = pil_image.convert("RGBA")
result_rgba = np.zeros((*image_np.shape[:2], 4), dtype=np.float32)
result_rgba[:, :, :3] = image_np * mask_np
result_rgba[:, :, 3] = mask_np[..., 0]
result_pil = Image.fromarray((result_rgba * 255).astype(np.uint8), mode="RGBA")
return (torch.from_numpy(np.array(result_pil).astype(np.float32) / 255.0).unsqueeze(0),)
elif background == "original":
result_np = image_np * mask_np + image_np * (1 - mask_np)
elif background == "Color":
r, g, b = self.hex_to_rgb(background_color)
result_np = result_np + (1 - mask_np) * np.array([r, g, b])
elif mode == "invert_mask":
result_np = image_np * (1 - mask_np)
if background == "Alpha":
if pil_image.mode != "RGBA":
pil_image = pil_image.convert("RGBA")
result_rgba = np.zeros((*image_np.shape[:2], 4), dtype=np.float32)
result_rgba[:, :, :3] = image_np * (1 - mask_np)
result_rgba[:, :, 3] = (1 - mask_np)[..., 0]
result_pil = Image.fromarray((result_rgba * 255).astype(np.uint8), mode="RGBA")
return (torch.from_numpy(np.array(result_pil).astype(np.float32) / 255.0).unsqueeze(0),)
elif background == "original":
result_np = image_np * (1 - mask_np) + image_np * mask_np
elif background == "Color":
r, g, b = self.hex_to_rgb(background_color)
result_np = result_np + (1 - mask_np) * np.array([r, g, b])
result_pil = Image.fromarray(np.clip(result_np * 255, 0, 255).astype(np.uint8))
return (pil2tensor(result_pil),)
except Exception as e:
print(f"Error in extract_masked_area: {str(e)}")
raise e
# Image Stitch node
class AILab_ImageStitch:
@classmethod
def INPUT_TYPES(s):
tooltips = {
"image1": "First image to stitch",
"stitch_mode": "Mode for stitching images together",
"match_image_size": "If True, resize image2 to match image1's aspect ratio",
"megapixels": "Target megapixels for final output (0 = no limit, overrides max_width/max_height)",
"max_width": "Maximum width of output image (0 = no limit, ignored if megapixels > 0)",
"max_height": "Maximum height of output image (0 = no limit, ignored if megapixels > 0)",
"upscale_method": "Upscaling method for all resize operations",
"spacing_width": "Width of spacing between images",
"background_color": "Color for spacing between images and padding background",
"kontext_mode": "Special mode that arranges 3 images in a specific layout (image1 and image2 stacked vertically, image3 on the right)"
}
return {
"required": {
"image1": ("IMAGE",),
"stitch_mode": (["right", "down", "left", "up", "2x2", "kontext_mode"], {"default": "right", "tooltip": tooltips["stitch_mode"]}),
"match_image_size": ("BOOLEAN", {"default": True, "tooltip": tooltips["match_image_size"]}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01, "tooltip": tooltips["megapixels"]}),
"max_width": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 8, "tooltip": tooltips["max_width"]}),
"max_height": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 8, "tooltip": tooltips["max_height"]}),
"upscale_method": (["nearest-exact", "bilinear", "area", "bicubic", "lanczos"], {"default": "lanczos", "tooltip": tooltips["upscale_method"]}),
"spacing_width": ("INT", {"default": 0, "min": 0, "max": 512, "step": 1, "tooltip": tooltips["spacing_width"]}),
"background_color": ("COLORCODE", {"default": "#FFFFFF", "tooltip": tooltips["background_color"]}),
},
"optional": {
"image2": ("IMAGE",),
"image3": ("IMAGE",),
"image4": ("IMAGE",),
},
}
RETURN_TYPES = ("IMAGE", "INT", "INT")
RETURN_NAMES = ("IMAGE", "WIDTH", "HEIGHT")
FUNCTION = "stitch"
CATEGORY = "🧪AILab/🖼️IMAGE"
def hex_to_rgb(self, hex_color):
hex_color = hex_color.lstrip('#')
r = int(hex_color[0:2], 16) / 255.0
g = int(hex_color[2:4], 16) / 255.0
b = int(hex_color[4:6], 16) / 255.0
return (r, g, b)
def pad_with_color(self, image, padding, color_val):
batch, height, width, channels = image.shape
r, g, b = color_val
pad_top, pad_bottom, pad_left, pad_right = padding
new_height = height + pad_top + pad_bottom
new_width = width + pad_left + pad_right
result = torch.zeros((batch, new_height, new_width, channels), device=image.device)
if channels >= 3:
result[..., 0] = r
result[..., 1] = g
result[..., 2] = b
if channels == 4:
result[..., 3] = 1.0
result[:, pad_top:pad_top+height, pad_left:pad_left+width, :] = image
return result
def match_dimensions(self, image1, image2, stitch_mode, color_val):
h1, w1 = image1.shape[1:3]
h2, w2 = image2.shape[1:3]
if stitch_mode in ["left", "right"]:
if h1 != h2:
target_h = max(h1, h2)
if h1 < target_h:
pad_h = target_h - h1
pad_top, pad_bottom = pad_h // 2, pad_h - pad_h // 2
image1 = self.pad_with_color(image1, (pad_top, pad_bottom, 0, 0), color_val)
if h2 < target_h:
pad_h = target_h - h2
pad_top, pad_bottom = pad_h // 2, pad_h - pad_h // 2
image2 = self.pad_with_color(image2, (pad_top, pad_bottom, 0, 0), color_val)
else:
if w1 != w2:
target_w = max(w1, w2)
if w1 < target_w:
pad_w = target_w - w1
pad_left, pad_right = pad_w // 2, pad_w - pad_w // 2
image1 = self.pad_with_color(image1, (0, 0, pad_left, pad_right), color_val)
if w2 < target_w:
pad_w = target_w - w2
pad_left, pad_right = pad_w // 2, pad_w - pad_w // 2
image2 = self.pad_with_color(image2, (0, 0, pad_left, pad_right), color_val)
return image1, image2
def ensure_same_channels(self, image1, image2):
if image1.shape[-1] != image2.shape[-1]:
max_channels = max(image1.shape[-1], image2.shape[-1])
if image1.shape[-1] < max_channels:
image1 = torch.cat([
image1,
torch.ones(*image1.shape[:-1], max_channels - image1.shape[-1], device=image1.device),
], dim=-1)
if image2.shape[-1] < max_channels:
image2 = torch.cat([
image2,
torch.ones(*image2.shape[:-1], max_channels - image2.shape[-1], device=image2.device),
], dim=-1)
return image1, image2
def create_spacing(self, image1, image2, spacing_width, stitch_mode, color_val):
if spacing_width <= 0:
return None
spacing_width = spacing_width + (spacing_width % 2)
if stitch_mode in ["left", "right"]:
spacing_shape = (
image1.shape[0],
max(image1.shape[1], image2.shape[1]),
spacing_width,
image1.shape[-1],
)
else:
spacing_shape = (
image1.shape[0],
spacing_width,
max(image1.shape[2], image2.shape[2]),
image1.shape[-1],
)
spacing = torch.zeros(spacing_shape, device=image1.device)
r, g, b = color_val
if spacing.shape[-1] >= 3:
spacing[..., 0] = r
spacing[..., 1] = g
spacing[..., 2] = b
if spacing.shape[-1] == 4:
spacing[..., 3] = 1.0
return spacing
def stitch_kontext_mode(self, image1, image2, image3, match_image_size, spacing_width, color_val, upscale_method, image4=None):
has_image4 = image4 is not None
if image1 is None or image2 is None:
if image2 is None and image3 is not None:
return self.stitch_two_images(image1, image3, "right", match_image_size, spacing_width, color_val, upscale_method)
else:
return image1
images_to_align = [image1, image2]
if image3 is not None:
images_to_align.append(image3)
if has_image4:
images_to_align.append(image4)
max_batch = max(img.shape[0] for img in images_to_align)
for i, img in enumerate(images_to_align):
if img.shape[0] < max_batch:
images_to_align[i] = torch.cat([img, img[-1:].repeat(max_batch - img.shape[0], 1, 1, 1)])
image1, image2 = images_to_align[0], images_to_align[1]
image3 = images_to_align[2] if len(images_to_align) > 2 else None
image4 = images_to_align[3] if len(images_to_align) > 3 else None
if has_image4:
left_images = [image1, image2, image3]
right_image = image4
else:
left_images = [image1, image2]
right_image = image3
if match_image_size:
w1 = image1.shape[2]
for i, img in enumerate(left_images[1:], 1):
h, w = img.shape[1:3]
aspect_ratio = h / w
target_w = w1
target_h = int(w1 * aspect_ratio)
left_images[i] = common_upscale(
img.movedim(-1, 1), target_w, target_h, upscale_method, "disabled"
).movedim(1, -1)
else:
for i in range(1, len(left_images)):
left_images[0], left_images[i] = self.match_dimensions(left_images[0], left_images[i], "down", color_val)
for i in range(1, len(left_images)):
left_images[0], left_images[i] = self.ensure_same_channels(left_images[0], left_images[i])
left_column_parts = [left_images[0]]
for i in range(1, len(left_images)):
spacing = self.create_spacing(left_images[i-1], left_images[i], spacing_width, "down", color_val)
if spacing is not None:
left_column_parts.append(spacing)
left_column_parts.append(left_images[i])
left_column = torch.cat(left_column_parts, dim=1)
if match_image_size:
h_left = left_column.shape[1]
hr, wr = right_image.shape[1:3]
aspect_ratio = wr / hr
target_h = h_left
target_w = int(h_left * aspect_ratio)
right_image = common_upscale(
right_image.movedim(-1, 1), target_w, target_h, upscale_method, "disabled"
).movedim(1, -1)
else:
left_column, right_image = self.match_dimensions(left_column, right_image, "right", color_val)
left_column, right_image = self.ensure_same_channels(left_column, right_image)
h_spacing = self.create_spacing(left_column, right_image, spacing_width, "right", color_val)
h_images = [left_column]
if h_spacing is not None:
h_images.append(h_spacing)
h_images.append(right_image)
result = torch.cat(h_images, dim=2)
return result
def stitch_two_images(self, image1, image2, stitch_mode, match_image_size, spacing_width, color_val, upscale_method):
if image2 is None:
return image1
if image1.shape[0] != image2.shape[0]:
max_batch = max(image1.shape[0], image2.shape[0])
if image1.shape[0] < max_batch:
image1 = torch.cat(
[image1, image1[-1:].repeat(max_batch - image1.shape[0], 1, 1, 1)]
)
if image2.shape[0] < max_batch:
image2 = torch.cat(
[image2, image2[-1:].repeat(max_batch - image2.shape[0], 1, 1, 1)]
)
if match_image_size:
h1, w1 = image1.shape[1:3]
h2, w2 = image2.shape[1:3]
aspect_ratio = w2 / h2
if stitch_mode in ["left", "right"]:
target_h, target_w = h1, int(h1 * aspect_ratio)
else:
target_w, target_h = w1, int(w1 / aspect_ratio)
image2 = common_upscale(
image2.movedim(-1, 1), target_w, target_h, upscale_method, "disabled"
).movedim(1, -1)
else:
image1, image2 = self.match_dimensions(image1, image2, stitch_mode, color_val)
image1, image2 = self.ensure_same_channels(image1, image2)
spacing = self.create_spacing(image1, image2, spacing_width, stitch_mode, color_val)
images = [image2, image1] if stitch_mode in ["left", "up"] else [image1, image2]
if spacing is not None:
images.insert(1, spacing)
concat_dim = 2 if stitch_mode in ["left", "right"] else 1
result = torch.cat(images, dim=concat_dim)
return result
def create_blank_like(self, reference_image, color_val):
batch, height, width, channels = reference_image.shape
result = torch.zeros((batch, height, width, channels), device=reference_image.device)
r, g, b = color_val
if channels >= 3:
result[..., 0] = r
result[..., 1] = g
result[..., 2] = b
if channels == 4:
result[..., 3] = 1.0
return result
def stitch_multi_mode(self, image1, image2, image3, image4, stitch_mode, match_image_size, spacing_width, color_val, upscale_method):
images = [image for image in [image1, image2, image3, image4] if image is not None]
if len(images) == 0:
return torch.zeros((1, 64, 64, 3))
if len(images) == 1:
return images[0]
current = images[0]
for next_img in images[1:]:
current = self.stitch_two_images(current, next_img, stitch_mode, match_image_size, spacing_width, color_val, upscale_method)
return current
def stitch_grid_2x2(self, image1, image2, image3, image4, match_image_size, spacing_width, color_val, upscale_method):
ref = image1
img2 = image2 if image2 is not None else self.create_blank_like(ref, color_val)
row1 = self.stitch_two_images(ref, img2, "right", match_image_size, spacing_width, color_val, upscale_method)
img3 = image3 if image3 is not None else self.create_blank_like(ref, color_val)
img4 = image4 if image4 is not None else self.create_blank_like(ref, color_val)
row2 = self.stitch_two_images(img3, img4, "right", match_image_size, spacing_width, color_val, upscale_method)
result = self.stitch_two_images(row1, row2, "down", match_image_size, spacing_width, color_val, upscale_method)
return result
def stitch(self, image1, stitch_mode, match_image_size, megapixels, max_width, max_height, upscale_method, spacing_width, background_color, image2=None, image3=None, image4=None,):
if image1 is None:
return (torch.zeros((1, 64, 64, 3)),)
color_val = self.hex_to_rgb(background_color)
if stitch_mode == "kontext_mode":
result = self.stitch_kontext_mode(image1, image2, image3, match_image_size, spacing_width, color_val, upscale_method, image4=image4)
elif stitch_mode == "2x2":
result = self.stitch_grid_2x2(image1, image2, image3, image4, match_image_size, spacing_width, color_val, upscale_method)
else:
result = self.stitch_multi_mode(image1, image2, image3, image4, stitch_mode, match_image_size, spacing_width, color_val, upscale_method)
h, w = result.shape[1:3]
need_resize = False
target_w, target_h = w, h
if megapixels > 0:
aspect_ratio = w / h
target_pixels = int(megapixels * 1024 * 1024)
target_h = int((target_pixels / aspect_ratio) ** 0.5)
target_w = int(aspect_ratio * target_h)
need_resize = True
elif max_width > 0 or max_height > 0:
if max_width > 0 and w > max_width:
scale_factor = max_width / w
target_w = max_width
target_h = int(h * scale_factor)
need_resize = True
else:
target_w, target_h = w, h
if max_height > 0 and (target_h > max_height or (target_h == h and h > max_height)):
scale_factor = max_height / target_h
target_h = max_height
target_w = int(target_w * scale_factor)
need_resize = True
if need_resize:
result = common_upscale(
result.movedim(-1, 1), target_w, target_h, upscale_method, "disabled"
).movedim(1, -1)
final_height, final_width = result.shape[1:3]
return (result, final_width, final_height)
# Image Crop node
class AILab_ImageCrop:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"image": ("IMAGE",),
"width": ("INT", {"default": 256, "min": 0, "max": MAX_RESOLUTION, "step": 8, "tooltip": "Width of the crop region in pixels. Will be clamped to image width."}),
"height": ("INT", {"default": 256, "min": 0, "max": MAX_RESOLUTION, "step": 8, "tooltip": "Height of the crop region in pixels. Will be clamped to image height."}),
"x_offset": ("INT", {"default": 0, "min": -99999, "step": 1, "tooltip": "Horizontal offset (in pixels) added to the crop position. Positive values move right, negative left."}),
"y_offset": ("INT", {"default": 0, "min": -99999, "step": 1, "tooltip": "Vertical offset (in pixels) added to the crop position. Positive values move down, negative up."}),
"split": ("BOOLEAN", {"default": False, "tooltip": "If True, output the cropped region and the rest of the image with the crop area set to zero. If False, the rest is a zero image."}),
"position": (["top-left", "top-center", "top-right", "right-center", "bottom-right", "bottom-center", "bottom-left", "left-center", "center"], {"tooltip": "Anchor position for the crop region. Determines where the crop is placed relative to the image."}),
}
}
RETURN_TYPES = ("IMAGE", "IMAGE")
RETURN_NAMES = ("CROP", "REST")
FUNCTION = "execute"
CATEGORY = "🧪AILab/🖼️IMAGE"
def execute(self, image, width, height, position, x_offset, y_offset, split=False):
_, oh, ow, _ = image.shape
width = min(ow, width)
height = min(oh, height)
if "center" in position:
x = round((ow-width) / 2)
y = round((oh-height) / 2)
if "top" in position:
y = 0
if "bottom" in position:
y = oh-height
if "left" in position:
x = 0
if "right" in position:
x = ow-width
x += x_offset
y += y_offset
x2 = x+width
y2 = y+height
if x2 > ow:
x2 = ow
if x < 0:
x = 0
if y2 > oh:
y2 = oh
if y < 0:
y = 0
crop = image[:, y:y2, x:x2, :]
rest = None
if split:
top = image[:, 0:y, :, :] if y > 0 else None
bottom = image[:, y2:oh, :, :] if y2 < oh else None
left = image[:, y:y2, 0:x, :] if x > 0 else None
right = image[:, y:y2, x2:ow, :] if x2 < ow else None
parts = []
if top is not None:
parts.append(top)
if left is not None or right is not None:
row_parts = []
if left is not None:
row_parts.append(left)
if right is not None:
row_parts.append(right)
if row_parts:
row = torch.cat(row_parts, dim=2)
parts.append(row)
if bottom is not None:
parts.append(bottom)
if parts:
rest = torch.cat(parts, dim=1)
else:
rest = torch.zeros_like(image[:, :0, :0, :])
else:
rest = image.clone()
rest[:] = 0
return (crop, rest)
# ICLoRA Concat node
class AILab_ICLoRAConcat:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"object_image": ("IMAGE",{"tooltip": ("The main image to be used as the foreground (object) in the concatenation.\nIf the image has 4 channels (RGBA), the alpha channel will be automatically extracted and used as the object mask if no mask is provided.")}),
"layout": (["top-bottom", "left-right"], {"default": "left-right", "tooltip": "The direction in which to concatenate the images: top-bottom or left-right."}),
"custom_size": ("INT", {"default": 0, "max": MAX_RESOLUTION, "min": 0, "step": 8, "tooltip": "If 0, the output image size is unchanged. Otherwise, sets the base image height (for left-right) or base image width (for top-bottom) in pixels for the concatenation. The object image will be scaled proportionally to match the base image in the concatenation direction."}),
},
"optional": {
"object_mask": ("MASK", {"tooltip": "Mask for the object_image. Defines the region of the object_image to be blended into the base_image."}),
"base_image": ("IMAGE", {"tooltip": "The background image to be concatenated with the object_image.\nIf the image has 4 channels (RGBA), the alpha channel will be automatically extracted and used as the base mask if no mask is provided."}),
"base_mask": ("MASK", {"tooltip": "Mask for the base_image. Defines the region of the base_image to be blended with the object_image."}),
},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
FUNCTION = "create"
RETURN_TYPES = ("IMAGE", "MASK", "MASK", "INT", "INT", "INT", "INT")
RETURN_NAMES = ("IMAGE", "OBJECT_MASK", "BASE_MASK", "WIDTH", "HEIGHT", "X", "Y")
def create(self, object_image, layout, custom_size=0, base_image=None, object_mask=None, base_mask=None):
if object_image.shape[-1] == 4 and object_mask is None:
object_mask = extract_alpha_mask(object_image)
object_image = object_image[..., :3]
if base_image is not None and base_image.shape[-1] == 4 and base_mask is None:
base_mask = extract_alpha_mask(base_image)
base_image = base_image[..., :3]
if base_image is None:
base_image = empty_image(object_image.shape[2], object_image.shape[1])
base_mask = torch.full((1, object_image.shape[1], object_image.shape[2]), 1, dtype=torch.float32, device="cpu")
elif base_image is not None and base_mask is None:
# raise ValueError("base_mask is required when base_image is provided")
base_mask = torch.full((1, object_image.shape[1], object_image.shape[2]), 1, dtype=torch.float32, device="cpu")
object_mask = ensure_mask_shape(object_mask)
base_mask = ensure_mask_shape(base_mask)
_, base_h, base_w, base_c = base_image.shape
_, obj_h, obj_w, obj_c = object_image.shape
if layout == 'left-right':
if custom_size > 0:
new_base_h = custom_size
new_base_w = int(base_w * (custom_size / base_h))
base_image = base_image.movedim(-1, 1)
base_image = common_upscale(base_image, new_base_w, new_base_h, 'bicubic', 'disabled')
base_image = base_image.movedim(1, -1)
if base_mask is not None:
base_mask = upscale_mask(base_mask, new_base_w, new_base_h)
base_h, base_w = new_base_h, new_base_w
scale = base_h / obj_h
new_obj_w = int(obj_w * scale)
object_image = object_image.movedim(-1, 1)
object_image = common_upscale(object_image, new_obj_w, base_h, 'bicubic', 'disabled')
object_image = object_image.movedim(1, -1)
if object_mask is not None:
object_mask = upscale_mask(object_mask, new_obj_w, base_h)
else:
object_mask = torch.full((1, base_h, new_obj_w), 1, dtype=torch.float32, device="cpu")
if object_image.shape[-1] != base_image.shape[-1]:
min_c = min(object_image.shape[-1], base_image.shape[-1])
object_image = object_image[..., :min_c]
base_image = base_image[..., :min_c]
image = torch.cat((object_image, base_image), dim=2)
batch = object_mask.shape[0]
out_h = base_h
out_w = new_obj_w + base_w
object_mask_resized = object_mask
base_mask_resized = base_mask
if object_mask_resized.shape[-2:] != (base_h, new_obj_w):
object_mask_resized = upscale_mask(object_mask_resized, new_obj_w, base_h)
if base_mask_resized.shape[-2:] != (base_h, base_w):
base_mask_resized = upscale_mask(base_mask_resized, base_w, base_h)
OBJECT_MASK = torch.zeros((batch, out_h, out_w), dtype=object_mask_resized.dtype, device=object_mask_resized.device)
BASE_MASK = torch.zeros((batch, out_h, out_w), dtype=base_mask_resized.dtype, device=base_mask_resized.device)
OBJECT_MASK[:, :, :new_obj_w] = object_mask_resized
BASE_MASK[:, :, new_obj_w:] = base_mask_resized
elif layout == 'top-bottom':
if custom_size > 0:
new_base_w = custom_size
new_base_h = int(base_h * (custom_size / base_w))
base_image = base_image.movedim(-1, 1)
base_image = common_upscale(base_image, new_base_w, new_base_h, 'bicubic', 'disabled')
base_image = base_image.movedim(1, -1)
if base_mask is not None:
base_mask = upscale_mask(base_mask, new_base_w, new_base_h)
base_h, base_w = new_base_h, new_base_w
scale = base_w / obj_w
new_obj_h = int(obj_h * scale)
object_image = object_image.movedim(-1, 1)
object_image = common_upscale(object_image, base_w, new_obj_h, 'bicubic', 'disabled')
object_image = object_image.movedim(1, -1)
if object_mask is not None:
object_mask = upscale_mask(object_mask, base_w, new_obj_h)
else:
object_mask = torch.full((1, new_obj_h, base_w), 1, dtype=torch.float32, device="cpu")
if object_image.shape[-1] != base_image.shape[-1]:
min_c = min(object_image.shape[-1], base_image.shape[-1])
object_image = object_image[..., :min_c]
base_image = base_image[..., :min_c]
image = torch.cat((object_image, base_image), dim=1)
batch = object_mask.shape[0]
out_h = new_obj_h + base_h
out_w = base_w
object_mask_resized = object_mask
base_mask_resized = base_mask
if object_mask_resized.shape[-2:] != (new_obj_h, base_w):
object_mask_resized = upscale_mask(object_mask_resized, base_w, new_obj_h)
if base_mask_resized.shape[-2:] != (base_h, base_w):
base_mask_resized = upscale_mask(base_mask_resized, base_w, base_h)
OBJECT_MASK = torch.zeros((batch, out_h, out_w), dtype=object_mask_resized.dtype, device=object_mask_resized.device)
BASE_MASK = torch.zeros((batch, out_h, out_w), dtype=base_mask_resized.dtype, device=base_mask_resized.device)
OBJECT_MASK[:, :new_obj_h, :] = object_mask_resized
BASE_MASK[:, new_obj_h:, :] = base_mask_resized
x = object_image.shape[2] if layout == 'left-right' else 0
y = object_image.shape[1] if layout == 'top-bottom' else 0
return (image, OBJECT_MASK, BASE_MASK, out_w, out_h, x, y)
class AILab_CropObject:
@classmethod
def INPUT_TYPES(cls):
return {
"optional": {
"image": ("IMAGE",),
"mask": ("MASK",),
"padding": ("INT", {
"default": 0,
"min": 0,
"max": 256,
"step": 1
}),
}
}
RETURN_TYPES = ("IMAGE", "MASK")
RETURN_NAMES = ("IMAGE", "MASK")
FUNCTION = "crop_object"
CATEGORY = "🧪AILab/🖼️IMAGE"
def get_bbox_from_tensor(self, tensor, padding):
rows = torch.any(tensor > 0, dim=1)
cols = torch.any(tensor > 0, dim=0)
if not torch.any(rows) or not torch.any(cols):
return None
rmin, rmax = torch.where(rows)[0][[0, -1]]
cmin, cmax = torch.where(cols)[0][[0, -1]]
rmin = max(0, rmin - padding)
rmax = min(tensor.shape[0] - 1, rmax + padding)
cmin = max(0, cmin - padding)
cmax = min(tensor.shape[1] - 1, cmax + padding)
return rmin, rmax, cmin, cmax
def crop_object(self, image=None, mask=None, padding=0):
if mask is None and image is None:
raise ValueError("At least one of image or mask must be provided")
bbox = None
if mask is not None:
mask_tensor = mask.squeeze()
bbox = self.get_bbox_from_tensor(mask_tensor, padding)
elif image is not None and image.shape[-1] == 4:
alpha = image[0, :, :, 3]
bbox = self.get_bbox_from_tensor(alpha, padding)
if bbox is None:
return (image, mask)
rmin, rmax, cmin, cmax = bbox
if mask is not None:
cropped_mask = mask[:, rmin:rmax+1, cmin:cmax+1]
else:
if image is not None and image.shape[-1] == 4:
alpha = image[0, rmin:rmax+1, cmin:cmax+1, 3]
cropped_mask = alpha.unsqueeze(0)
else:
cropped_mask = None
if image is not None:
cropped_image = image[:, rmin:rmax+1, cmin:cmax+1, :]
else:
cropped_image = None
return (
cropped_image if image is not None else image,
cropped_mask if mask is not None else mask
)
# Image Compare node
class AILab_ImageCompare:
def __init__(self):
self.font_size = 20
self.padding = 10
#self.text_align = "center"
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"text1": ("STRING", {"default": "Image 1"}),
"text2": ("STRING", {"default": "Image 2"}),
"text3": ("STRING", {"default": "Image 3"}),
"size_base": (["largest", "smallest", "image1", "image2", "image3"], {"default": "largest"}),
"text_color": ("COLORCODE", {"default": "#000000"}),
"bg_color": ("COLORCODE", {"default": "#FFFFFF"}),
},
"optional": {
"image1": ("IMAGE",),
"image2": ("IMAGE",),
"image3": ("IMAGE",),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "generate"
CATEGORY = "🧪AILab/🖼️IMAGE"
def get_font(self):
try:
if os.name == "nt":
return ImageFont.truetype("arial.ttf", self.font_size)
elif os.path.exists("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"):
return ImageFont.truetype(
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
self.font_size,
)
else:
return ImageFont.load_default()
except Exception:
return ImageFont.load_default()
def create_text_panel(self, width, text):
font = self.get_font()
temp_img = Image.new("RGB", (width, self.font_size * 2), self.bg_color)
temp_draw = ImageDraw.Draw(temp_img)
text_bbox = temp_draw.textbbox((0, 0), text, font=font)
text_width = text_bbox[2] - text_bbox[0]
text_height = text_bbox[3] - text_bbox[1]
final_height = max(int(text_height * 1.5), self.font_size * 2)
panel = Image.new("RGB", (width, final_height), self.bg_color)
draw = ImageDraw.Draw(panel)
x = (width - text_width) // 2
y = (final_height - text_height) // 2
draw.text((x, y), text, font=font, fill=self.text_color)
return panel
def _select_base_image(self, pil_map, size_base):
if size_base in ("image1", "image2", "image3") and size_base in pil_map:
return size_base
if size_base == "smallest":
best_label = None
best_area = float('inf')
for label, img in pil_map.items():
area = img.width * img.height
if area < best_area:
best_area = area
best_label = label
return best_label
if size_base != "largest":
print(
f"Warning: size_base '{size_base}' is not available, fallback to 'largest'."
)
best_label = None
best_area = -1
for label, img in pil_map.items():
area = img.width * img.height
if area > best_area:
best_area = area
best_label = label
return best_label
def generate(self, text1, text2, text3, size_base="largest", text_color="#000000", bg_color="#FFFFFF", image1=None, image2=None, image3=None,):
self.bg_color = bg_color
self.text_color = text_color
tensors = []
texts = []
labels = []
if image1 is not None and hasattr(image1, "shape") and image1.shape[0] > 0:
tensors.append(image1)
texts.append(text1)
labels.append("image1")
if image2 is not None and hasattr(image2, "shape") and image2.shape[0] > 0:
tensors.append(image2)
texts.append(text2)
labels.append("image2")
if image3 is not None and hasattr(image3, "shape") and image3.shape[0] > 0:
tensors.append(image3)
texts.append(text3)
labels.append("image3")
if len(tensors) < 2:
print("Warning: At least two images are required.")
return (torch.zeros((1, 64, 64, 3)),)
batch_sizes = [t.shape[0] for t in tensors]
batch_size = min(batch_sizes)
if len(set(batch_sizes)) > 1:
print(
f"Warning: Input batches have different sizes {batch_sizes}. "
f"Only processing the minimum size of {batch_size}."
)
output_images = []
for i in range(batch_size):
pil_map = {}
for t, label in zip(tensors, labels):
frame = t[i].unsqueeze(0)
img_pil = tensor2pil(frame)
pil_map[label] = img_pil
base_label = self._select_base_image(pil_map, size_base)
base_img = pil_map[base_label]
base_h = base_img.height
resized_pils = []
for label in labels:
img = pil_map[label]
w, h = img.size
if w == 0 or h == 0:
resized_pils.append(Image.new("RGB", (1, 1), self.bg_color))
continue
if label == base_label:
resized_pils.append(img)
continue
scale = base_h / h
new_h = base_h
new_w = max(1, int(round(w * scale)))
if img.size != (new_w, new_h):
img = resize_image(img, new_w, new_h)
resized_pils.append(img)
panels = []
for img, text in zip(resized_pils, texts):
if text.strip():
panels.append(self.create_text_panel(img.width, text))
else:
panels.append(None)
total_width = (
sum(img.width for img in resized_pils)
+ self.padding * (len(resized_pils) + 1)
)
img_height = max(img.height for img in resized_pils)
panel_heights = [p.height for p in panels if p is not None]
panel_height = max(panel_heights) if panel_heights else 0
panel_area_height = (panel_height + self.padding) if panel_height > 0 else 0
total_height = img_height + panel_area_height + self.padding * 2
result_pil = Image.new("RGB", (total_width, total_height), self.bg_color)
y_img = self.padding
y_panel = y_img + img_height + self.padding
x = self.padding
for img, panel in zip(resized_pils, panels):
result_pil.paste(img, (x, y_img))
if panel is not None and panel_height > 0:
y_offset = (
y_panel + (panel_height - panel.height)
if panel.height < panel_height
else y_panel
)
result_pil.paste(panel, (x, y_offset))
x += img.width + self.padding
output_images.append(pil2tensor(result_pil))
if not output_images:
return (torch.zeros((1, 64, 64, 3)),)
final_batch_tensor = torch.cat(output_images, dim=0)
return (final_batch_tensor,)
# Color Input node
class AILab_ColorInput:
@classmethod
def INPUT_TYPES(self):
return {
"required": {
"preset": (list(COLOR_PRESETS.keys()),),
"color": ("STRING", {"default": "", "placeholder": "Enter color code (e.g. #FF0000 or #F00)"}),
},
}
RETURN_TYPES = ("COLORCODE",)
RETURN_NAMES = ("COLOR",)
FUNCTION = 'get_color'
CATEGORY = '🧪AILab/🛠️UTIL/🔄IO'
def get_color(self, preset, color):
if not color:
return (COLOR_PRESETS[preset],)
try:
fixed_color = color_format(color)
if not all(c in '0123456789ABCDEFabcdef' for c in fixed_color[1:]):
raise ValueError(f"Invalid hex characters in {color}")
return (fixed_color,)
except Exception as e:
raise RuntimeError(f"Invalid color format: {color}. Please use format like #FF0000 or #F00")
# Image Resize
class AILab_ImageResize:
upscale_methods = ["nearest-exact", "bilinear", "area", "bicubic", "lanczos"]
def hex_to_rgb(self, hex_color):
hex_color = hex_color.lstrip('#')
r = int(hex_color[0:2], 16) / 255.0
g = int(hex_color[2:4], 16) / 255.0
b = int(hex_color[4:6], 16) / 255.0
return r, g, b
def _pad_image_and_mask(self, image, pad_left, pad_right, pad_top, pad_bottom, pad_color, pad_mode, mask=None):
B, H, W, C = image.shape
padded_width = W + pad_left + pad_right
padded_height = H + pad_top + pad_bottom
pad_color = color_format(pad_color)
r, g, b = self.hex_to_rgb(pad_color)
bg_color = torch.tensor([r, g, b], dtype=image.dtype, device=image.device)
out_image = torch.zeros((B, padded_height, padded_width, C), dtype=image.dtype, device=image.device)
out_masks = None
if pad_mode == "pillarbox_blur":
for b in range(B):
scale_fill = max(padded_width / float(W), padded_height / float(H)) if (W > 0 and H > 0) else 1.0
bg_w = max(1, int(round(W * scale_fill)))
bg_h = max(1, int(round(H * scale_fill)))
src_b = image[b].movedim(-1, 0).unsqueeze(0)
bg = common_upscale(src_b, bg_w, bg_h, "bilinear", crop="disabled").squeeze(0)
y0 = max(0, (bg_h - padded_height) // 2)
x0 = max(0, (bg_w - padded_width) // 2)
bg = bg[:, y0:y0+padded_height, x0:x0+padded_width]
if bg.shape[1] != padded_height or bg.shape[2] != padded_width:
pad_h = padded_height - bg.shape[1]
pad_w = padded_width - bg.shape[2]
pad_top_fix = max(0, pad_h // 2)
pad_bottom_fix = max(0, pad_h - pad_top_fix)
pad_left_fix = max(0, pad_w // 2)
pad_right_fix = max(0, pad_w - pad_left_fix)
bg = F.pad(bg.unsqueeze(0), (pad_left_fix, pad_right_fix, pad_top_fix, pad_bottom_fix), mode="replicate").squeeze(0)
sigma = max(1.0, 0.006 * float(min(padded_height, padded_width)))
kernel_size = int(round(sigma * 2)) * 2 + 1
bg = gaussian_blur(bg, kernel_size=[kernel_size, kernel_size], sigma=sigma)
dim = 0.35
bg = torch.clamp(bg * dim, 0.0, 1.0)
out_image[b] = bg.movedim(0, -1)
out_image[:, pad_top:pad_top+H, pad_left:pad_left+W, :] = image
elif pad_mode == "edge":
out_image[:, pad_top:pad_top+H, pad_left:pad_left+W, :] = image
for b in range(B):
out_image[b, :pad_top, :, :] = out_image[b, pad_top:pad_top+1, :, :].repeat(pad_top, 1, 1)
out_image[b, pad_top+H:, :, :] = out_image[b, pad_top+H-1:pad_top+H, :, :].repeat(pad_bottom, 1, 1)
out_image[b, :, :pad_left, :] = out_image[b, :, pad_left:pad_left+1, :].repeat(1, pad_left, 1)
out_image[b, :, pad_left+W:, :] = out_image[b, :, pad_left+W-1:pad_left+W, :].repeat(1, pad_right, 1)
elif pad_mode == "edge_pixel":
out_image[:, pad_top:pad_top+H, pad_left:pad_left+W, :] = image
for b in range(B):
out_image[b, :pad_top, pad_left:pad_left+W, :] = image[b, 0, :, :].unsqueeze(0).repeat(pad_top, 1, 1)
out_image[b, pad_top+H:, pad_left:pad_left+W, :] = image[b, H-1, :, :].unsqueeze(0).repeat(pad_bottom, 1, 1)
out_image[b, pad_top:pad_top+H, :pad_left, :] = image[b, :, 0, :].unsqueeze(1).repeat(1, pad_left, 1)
out_image[b, pad_top:pad_top+H, pad_left+W:, :] = image[b, :, W-1, :].unsqueeze(1).repeat(1, pad_right, 1)
out_image[b, :pad_top, :pad_left, :] = image[b, 0, 0, :]
out_image[b, :pad_top, pad_left+W:, :] = image[b, 0, W-1, :]
out_image[b, pad_top+H:, :pad_left, :] = image[b, H-1, 0, :]
out_image[b, pad_top+H:, pad_left+W:, :] = image[b, H-1, W-1, :]
else:
for b in range(B):
out_image[b, :, :, :] = bg_color
out_image[b, pad_top:pad_top+H, pad_left:pad_left+W, :] = image[b]
if mask is not None:
out_masks = torch.nn.functional.pad(
mask,
(pad_left, pad_right, pad_top, pad_bottom),
mode='replicate'
)
else:
out_masks = torch.ones((B, padded_height, padded_width), dtype=image.dtype, device=image.device)
for m in range(B):
out_masks[m, pad_top:pad_top+H, pad_left:pad_left+W] = 0.0
return out_image, out_masks
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"custom_width": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 1}),
"custom_height": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 1}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01}),
"scale_by": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 8.0, "step": 0.01}),
"resize_mode": (["longest_side", "shortest_side"], {"default": "longest_side"}),
"resize_value": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION, "step": 1}),
"upscale_method": (cls.upscale_methods, {"default": "lanczos"}),
"device": (["cpu", "gpu"], {"default": "cpu"}),
"divisible_by": ("INT", {"default": 2, "min": 1, "max": 512, "step": 1}),
"output_mode": (["stretch", "pad", "pad_edge", "pad_edge_pixel", "crop", "pillarbox_blur"], {"default": "stretch"}),
"crop_position": (["center", "top", "bottom", "left", "right"], {"default": "center"}),
"pad_color": ("COLORCODE", {"default": "#FFFFFF", "tooltip": "Padding color (hex)"}),
},
"optional": {
"mask": ("MASK",),
},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT")
FUNCTION = "resize"
OUTPUT_NODE = False
def resize(self, image, custom_width, custom_height, megapixels, scale_by, resize_mode, resize_value, upscale_method, device, divisible_by, output_mode, crop_position, pad_color, mask=None):
B, orig_height, orig_width, C = image.shape
target_device = torch.device("cpu")
if device == "gpu":
if upscale_method == "lanczos":
raise Exception("Lanczos is not supported on the GPU")
target_device = model_management.get_torch_device()
out_image = image.clone().to(target_device)
out_mask = mask.clone().to(target_device) if mask is not None else None
target_width, target_height = orig_width, orig_height
is_megapixels_used = megapixels > 0
if is_megapixels_used:
aspect_ratio = orig_width / orig_height
target_pixels = int(megapixels * 1024 * 1024)
target_height = int((target_pixels / aspect_ratio) ** 0.5)
target_width = int(aspect_ratio * target_height)
elif resize_value > 0:
if resize_mode == "longest_side":
ratio = resize_value / max(orig_width, orig_height)
else:
ratio = resize_value / min(orig_width, orig_height)
target_width = round(orig_width * ratio)
target_height = round(orig_height * ratio)
elif custom_width > 0 or custom_height > 0:
if custom_width > 0 and custom_height == 0:
target_width = custom_width
target_height = int(orig_height * (target_width / orig_width))
elif custom_height > 0 and custom_width == 0:
target_height = custom_height
target_width = int(orig_width * (target_height / orig_height))
elif custom_width > 0 and custom_height > 0:
target_width = custom_width
target_height = custom_height
elif scale_by != 1.0:
target_width = int(orig_width * scale_by)
target_height = int(orig_height * scale_by)
final_width, final_height = target_width, target_height
if not is_megapixels_used and scale_by != 1.0:
final_width = int(final_width * scale_by)
final_height = int(final_height * scale_by)
if output_mode == "crop":
old_width, old_height = orig_width, orig_height
old_aspect = old_width / old_height
new_aspect = final_width / final_height
if old_aspect > new_aspect:
crop_w = round(old_height * new_aspect)
crop_h = old_height
else:
crop_w = old_width
crop_h = round(old_width / new_aspect)
x, y = 0, 0
if crop_position == "center":
x = (old_width - crop_w) // 2
y = (old_height - crop_h) // 2
elif crop_position == "top":
x = (old_width - crop_w) // 2
y = 0
elif crop_position == "bottom":
x = (old_width - crop_w) // 2
y = old_height - crop_h
elif crop_position == "left":
x = 0
y = (old_height - crop_h) // 2
elif crop_position == "right":
x = old_width - crop_w
y = (old_height - crop_h) // 2
out_image = out_image.narrow(-2, x, crop_w).narrow(-3, y, crop_h)
if out_mask is not None:
out_mask = out_mask.narrow(-1, x, crop_w).narrow(-2, y, crop_h)
if output_mode in ["pad", "pad_edge", "pad_edge_pixel", "pillarbox_blur"]:
orig_aspect = out_image.shape[2] / out_image.shape[1]
new_aspect = final_width / final_height
if orig_aspect > new_aspect:
resize_width = final_width
resize_height = int(final_width / orig_aspect)
else:
resize_height = final_height
resize_width = int(final_height * orig_aspect)
out_image = common_upscale(out_image.movedim(-1, 1), resize_width, resize_height, upscale_method, crop="disabled").movedim(1, -1)
if out_mask is not None:
out_mask = F.interpolate(out_mask.unsqueeze(1), size=(resize_height, resize_width), mode='bicubic', align_corners=False).squeeze(1)
remaining_w = final_width - out_image.shape[2]
remaining_h = final_height - out_image.shape[1]
if crop_position == "left":
pad_left = 0
pad_right = remaining_w
pad_top = remaining_h // 2
pad_bottom = remaining_h - pad_top
elif crop_position == "right":
pad_left = remaining_w
pad_right = 0
pad_top = remaining_h // 2
pad_bottom = remaining_h - pad_top
elif crop_position == "top":
pad_left = remaining_w // 2
pad_right = remaining_w - pad_left
pad_top = 0
pad_bottom = remaining_h
elif crop_position == "bottom":
pad_left = remaining_w // 2
pad_right = remaining_w - pad_left
pad_top = remaining_h
pad_bottom = 0
else:
pad_left = remaining_w // 2
pad_right = remaining_w - pad_left
pad_top = remaining_h // 2
pad_bottom = remaining_h - pad_top
pad_mode_mapped = {
"pad_edge": "edge",
"pad_edge_pixel": "edge_pixel",
}.get(output_mode, output_mode)
out_image, out_mask = self._pad_image_and_mask(
out_image, pad_left, pad_right, pad_top, pad_bottom, pad_color, pad_mode_mapped, mask=out_mask
)
final_width, final_height = out_image.shape[2], out_image.shape[1]
elif output_mode == "stretch" or output_mode == "crop":
out_image = common_upscale(out_image.movedim(-1, 1), final_width, final_height, upscale_method, crop="disabled").movedim(1, -1)
if out_mask is not None:
out_mask = F.interpolate(out_mask.unsqueeze(1), size=(final_height, final_width), mode='bicubic', align_corners=False).squeeze(1)
if divisible_by > 1:
final_width = final_width - (final_width % divisible_by)
final_height = final_height - (final_height % divisible_by)
out_image = common_upscale(out_image.movedim(-1, 1), final_width, final_height, upscale_method, crop="disabled").movedim(1, -1)
if out_mask is not None:
out_mask = F.interpolate(out_mask.unsqueeze(1), size=(final_height, final_width), mode='bicubic', align_corners=False).squeeze(1)
return (out_image.cpu(), out_mask.cpu() if out_mask is not None else torch.zeros((1, 64, 64)), final_width, final_height)
# Image to Batch List
class AILab_ImageToList:
@classmethod
def INPUT_TYPES(cls):
return {
"optional": {
"image_1": ("IMAGE",),
"image_2": ("IMAGE",),
"image_3": ("IMAGE",),
"image_4": ("IMAGE",),
"image_5": ("IMAGE",),
"image_6": ("IMAGE",),
},
"required": {
"resize_mode": (["off", "crop", "fit"], {"default": "crop"}),
}
}
RETURN_TYPES = ("IMAGE", "INT", "INT", "INT")
RETURN_NAMES = ("IMAGE", "WIDTH", "HEIGHT", "BATCH_SIZE")
OUTPUT_IS_LIST = (True, False, False, False)
FUNCTION = "collect_images"
CATEGORY = "🧪AILab/🖼️IMAGE"
def resize_and_center_crop(self, img, target_h, target_w):
b, h, w, c = img.shape
scale = max(target_h / h, target_w / w)
new_h = max(int(h * scale), target_h)
new_w = max(int(w * scale), target_w)
img = img.permute(0, 3, 1, 2)
resized = F.interpolate(img, size=(new_h, new_w), mode='bilinear', align_corners=False)
top = max((new_h - target_h) // 2, 0)
left = max((new_w - target_w) // 2, 0)
bottom = top + target_h
right = left + target_w
if bottom > new_h or right > new_w:
cropped = resized[:, :, :target_h, :target_w]
else:
cropped = resized[:, :, top:bottom, left:right]
return cropped.permute(0, 2, 3, 1)
def collect_images(self, resize_mode="off", **kwargs):
images = []
for i in range(1, 7):
key = f"image_{i}"
img = kwargs.get(key)
if img is not None:
images.append(img)
if not images:
return ([], 0, 0, 0)
base_img = images[0]
_, base_h, base_w, _ = base_img.shape
batch_size = len(images)
if resize_mode == "off":
return (images, base_w, base_h, batch_size)
resized_images = []
for img in images:
if resize_mode == "fit":
img_nchw = img.permute(0, 3, 1, 2)
resized = F.interpolate(img_nchw, size=(base_h, base_w), mode='bilinear', align_corners=False)
resized = resized.permute(0, 2, 3, 1)
elif resize_mode == "crop":
resized = self.resize_and_center_crop(img, base_h, base_w)
resized_images.append(resized)
return (resized_images, base_w, base_h, batch_size)
# Mask to Batch List
class AILab_MaskToList:
@classmethod
def INPUT_TYPES(cls):
return {
"optional": {
"mask_1": ("MASK",),
"mask_2": ("MASK",),
"mask_3": ("MASK",),
"mask_4": ("MASK",),
"mask_5": ("MASK",),
"mask_6": ("MASK",),
},
"required": {
"resize_mode": (["off", "crop", "fit"], {"default": "off"}),
}
}
RETURN_TYPES = ("MASK",)
RETURN_NAMES = ("MASK",)
OUTPUT_IS_LIST = (True,)
FUNCTION = "collect_masks"
CATEGORY = "🧪AILab/🦠MASK"
def resize_and_center_crop(self, mask, target_h, target_w):
b, h, w = mask.shape
scale = max(target_h / h, target_w / w)
new_h = max(int(h * scale), target_h)
new_w = max(int(w * scale), target_w)
mask = mask.unsqueeze(1)
resized = F.interpolate(mask, size=(new_h, new_w), mode='nearest')
top = max((new_h - target_h) // 2, 0)
left = max((new_w - target_w) // 2, 0)
bottom = top + target_h
right = left + target_w
cropped = resized[:, :, top:bottom, left:right]
return cropped.squeeze(1)
def collect_masks(self, resize_mode="off", **kwargs):
masks = []
for i in range(1, 7):
key = f"mask_{i}"
mask = kwargs.get(key)
if mask is not None:
masks.append(mask)
if not masks:
return ([],)
base_mask = masks[0]
_, base_h, base_w = base_mask.shape
if resize_mode == "off":
return (masks,)
resized_masks = []
for mask in masks:
if resize_mode == "fit":
mask_resized = F.interpolate(mask.unsqueeze(1), size=(base_h, base_w), mode='nearest').squeeze(1)
elif resize_mode == "crop":
mask_resized = self.resize_and_center_crop(mask, base_h, base_w)
resized_masks.append(mask_resized)
return (resized_masks,)
# Image and Mask to Batch List
class AILab_ImageMaskToList:
@classmethod
def INPUT_TYPES(cls):
return {
"optional": {
"image_1": ("IMAGE",),
"mask_1": ("MASK",),
"image_2": ("IMAGE",),
"mask_2": ("MASK",),
"image_3": ("IMAGE",),
"mask_3": ("MASK",),
"image_4": ("IMAGE",),
"mask_4": ("MASK",),
"image_5": ("IMAGE",),
"mask_5": ("MASK",),
"image_6": ("IMAGE",),
"mask_6": ("MASK",),
},
"required": {
"resize_mode": (["off", "crop", "fit"], {"default": "crop"}),
}
}
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT", "BATCH_SIZE")
OUTPUT_IS_LIST = (True, True, False, False, False)
FUNCTION = "collect_images_and_masks"
CATEGORY = "🧪AILab/🖼️IMAGE"
def resize_and_center_crop_image(self, img, target_h, target_w):
b, h, w, c = img.shape
scale = max(target_h / h, target_w / w)
new_h = max(int(h * scale), target_h)
new_w = max(int(w * scale), target_w)
img = img.permute(0, 3, 1, 2)
resized = F.interpolate(img, size=(new_h, new_w), mode='bilinear', align_corners=False)
top = max((new_h - target_h) // 2, 0)
left = max((new_w - target_w) // 2, 0)
bottom = top + target_h
right = left + target_w
if bottom > new_h or right > new_w:
cropped = resized[:, :, :target_h, :target_w]
else:
cropped = resized[:, :, top:bottom, left:right]
return cropped.permute(0, 2, 3, 1)
def resize_and_center_crop_mask(self, mask, target_h, target_w):
b, h, w = mask.shape
scale = max(target_h / h, target_w / w)
new_h = max(int(h * scale), target_h)
new_w = max(int(w * scale), target_w)
mask = mask.unsqueeze(1)
resized = F.interpolate(mask, size=(new_h, new_w), mode='nearest')
top = max((new_h - target_h) // 2, 0)
left = max((new_w - target_w) // 2, 0)
bottom = top + target_h
right = left + target_w
cropped = resized[:, :, top:bottom, left:right]
return cropped.squeeze(1)
def create_empty_mask(self, height, width, batch_size=1, device=None):
if device is None:
device = torch.device('cpu')
return torch.zeros((batch_size, height, width), dtype=torch.float32, device=device)
def collect_images_and_masks(self, resize_mode="off", **kwargs):
image_mask_pairs = []
for i in range(1, 7):
image_key = f"image_{i}"
mask_key = f"mask_{i}"
image = kwargs.get(image_key)
mask = kwargs.get(mask_key)
if image is not None:
if mask is None:
_, h, w, _ = image.shape
mask = self.create_empty_mask(h, w, batch_size=image.shape[0], device=image.device)
image_mask_pairs.append((image, mask))
if not image_mask_pairs:
return ([], [], 0, 0, 0)
base_image, base_mask = image_mask_pairs[0]
_, base_h, base_w, _ = base_image.shape
batch_size = len(image_mask_pairs)
if resize_mode == "off":
processed_images = [pair[0] for pair in image_mask_pairs]
processed_masks = [pair[1] for pair in image_mask_pairs]
return (processed_images, processed_masks, base_w, base_h, batch_size)
processed_images = []
processed_masks = []
for image, mask in image_mask_pairs:
if resize_mode == "fit":
img_nchw = image.permute(0, 3, 1, 2)
resized_image = F.interpolate(img_nchw, size=(base_h, base_w), mode='bilinear', align_corners=False)
resized_image = resized_image.permute(0, 2, 3, 1)
elif resize_mode == "crop":
resized_image = self.resize_and_center_crop_image(image, base_h, base_w)
if resize_mode == "fit":
resized_mask = F.interpolate(mask.unsqueeze(1), size=(base_h, base_w), mode='nearest').squeeze(1)
elif resize_mode == "crop":
resized_mask = self.resize_and_center_crop_mask(mask, base_h, base_w)
processed_images.append(resized_image)
processed_masks.append(resized_mask)
return (processed_images, processed_masks, base_w, base_h, batch_size)
#Load Image Batch
class AILab_LoadImageBatch(AILab_BaseImageLoader):
upscale_methods = ["nearest-exact", "bilinear", "area", "bicubic", "lanczos"]
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"path_or_urls": ("STRING", {"default": "", "multiline": True, "placeholder": "Path to a directory, comma/new-line separated file paths, OR comma/new-line separated URLs"}),
"upscale_method": (cls.upscale_methods, {"default": "lanczos"}),
"megapixels": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 16.0, "step": 0.01}),
"scale_by": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 8.0, "step": 0.01}),
"resize_mode": (["longest_side", "shortest_side", "width", "height"], {"default": "longest_side"}),
"size": ("INT", {"default": 0, "min": 0, "max": MAX_RESOLUTION}),
},
"optional": {
"batch_size": ("INT", {"default": 0, "min": 0, "step": 1, "tooltip": "Number of images to load (0 = all images)"}),
"start_from": ("INT", {"default": 1, "min": 1, "step": 1, "tooltip": "Start from Nth image (1 = first image)"}),
"sort_method": (["sequential", "reverse", "random"], {"default": "sequential", "tooltip": "Image loading order: sequential/reverse/random"}),
},
"hidden": {"extra_pnginfo": "EXTRA_PNGINFO"},
}
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "MASK", "INT", "INT")
RETURN_NAMES = ("IMAGE", "MASK", "WIDTH", "HEIGHT")
FUNCTION = "load_image_batch"
OUTPUT_NODE = False
OUTPUT_IS_LIST = (True, True, True, True)
@classmethod
def IS_CHANGED(cls, **kwargs):
if 'sort_method' in kwargs and kwargs['sort_method'] == "random":
return float("NaN")
return hashlib.sha256(str(kwargs).encode('utf-8')).hexdigest()
def load_image_batch(self, path_or_urls="", upscale_method="lanczos", megapixels=0.0,
scale_by=1.0, resize_mode="longest_side", size=0,
batch_size=0, start_from=1, sort_method="sequential", extra_pnginfo=None):
image_list = []
input_path = path_or_urls.strip()
if not input_path:
raise ValueError("No input provided. Please specify a path/URL list.")
potential_paths = [path.strip() for path in re.split(r'[,\n]+', input_path) if path.strip()]
if not potential_paths:
raise ValueError("Input is empty or contains only whitespace.")
first_path = potential_paths[0]
if first_path.startswith(('http://', 'https://')):
image_list = [path.strip() for path in re.split(r'[,\n]\s*(?=http)', input_path) if path.strip()]
elif os.path.isdir(first_path):
image_list = [
os.path.join(first_path, f)
for f in os.listdir(first_path)
if os.path.isfile(os.path.join(first_path, f)) and f.lower().endswith(self.IMAGE_EXTENSIONS)
]
image_list.sort()
elif os.path.isfile(first_path):
image_list = [p for p in potential_paths if os.path.isfile(p)]
else:
relative_path_check = os.path.join(folder_paths.get_input_directory(), first_path)
if os.path.isdir(relative_path_check):
image_list = [
os.path.join(relative_path_check, f)
for f in os.listdir(relative_path_check)
if os.path.isfile(os.path.join(relative_path_check, f)) and f.lower().endswith(self.IMAGE_EXTENSIONS)
]
image_list.sort()
elif os.path.isfile(relative_path_check):
image_list = [os.path.join(folder_paths.get_input_directory(), p) for p in potential_paths
if os.path.isfile(os.path.join(folder_paths.get_input_directory(), p))]
else:
raise ValueError(f"Input is not a valid URL, directory, or file path: {first_path}")
if not image_list:
raise ValueError("No valid images found from the provided input.")
if sort_method == "reverse":
image_list.reverse()
elif sort_method == "random":
import random
random.shuffle(image_list)
start_index = max(0, start_from - 1)
if start_index > 0 and start_index < len(image_list):
image_list = image_list[start_index:]
elif start_index >= len(image_list):
raise ValueError(f"start_from ({start_from}) is out of bounds. Only {len(image_list)} images found.")
if batch_size > 0:
image_list = image_list[:batch_size]
if not image_list:
raise ValueError("No images left after applying start_from/batch_size filters.")
resampling = {
"nearest-exact": Image.NEAREST,
"bilinear": Image.BILINEAR,
"area": Image.BOX,
"bicubic": Image.BICUBIC,
"lanczos": Image.LANCZOS
}.get(upscale_method, Image.LANCZOS)
output_images = []
output_masks = []
output_widths = []
output_heights = []
for img_path_or_url in image_list:
img = self.get_image(img_path_or_url)
resized_img, width, height = self.resize_image_to_target(
img, megapixels=megapixels, scale_by=scale_by, size=size,
resize_mode=resize_mode, resampling=resampling
)
img_tensor = self.process_image_to_tensor(resized_img)
mask = None
if 'A' in resized_img.getbands():
mask_np = np.array(resized_img.getchannel('A')).astype(np.float32) / 255.0
mask = torch.from_numpy(mask_np).unsqueeze(0)
else:
mask = torch.ones((1, height, width), dtype=torch.float32)
output_images.append(img_tensor)
output_masks.append(mask)
output_widths.append(width)
output_heights.append(height)
if not output_images:
raise ValueError("All images in the batch failed to load or process.")
return (output_images, output_masks, output_widths, output_heights)
#Unbatch Images
class AILab_UnbatchImages:
CATEGORY = "🧪AILab/🖼️IMAGE"
RETURN_TYPES = ("IMAGE", "IMAGE", "IMAGE", "IMAGE", "IMAGE", "IMAGE", "IMAGE", "IMAGE")
RETURN_NAMES = ("image_1", "image_2", "image_3", "image_4", "image_5", "image_6", "image_7", "image_8")
FUNCTION = "unbatch_images"
OUTPUT_NODE = True
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"images": ("IMAGE",),
}
}
def unbatch_images(self, images):
if images is None or images.shape[0] == 0:
raise ValueError("Input batch is empty. Upstream node (e.g., LoadImageBatch) likely failed to load any images.")
batch_size = images.shape[0]
outputs = []
for i in range(8):
if i < batch_size:
image = images[i:i+1, :, :, :]
outputs.append(image)
else:
outputs.append(outputs[-1])
return tuple(outputs)
# Node class mappings
NODE_CLASS_MAPPINGS = {
"AILab_LoadImage": AILab_LoadImage,
"AILab_LoadImageSimple": AILab_LoadImageSimple,
"AILab_LoadImageAdvanced": AILab_LoadImageAdvanced,
"AILab_LoadImageBatch": AILab_LoadImageBatch,
"AILab_UnbatchImages": AILab_UnbatchImages,
"AILab_Preview": AILab_Preview,
"AILab_MaskOverlay": AILab_MaskOverlay,
"AILab_ImagePreview": AILab_ImagePreview,
"AILab_MaskPreview": AILab_MaskPreview,
"AILab_ImageMaskConvert": AILab_ImageMaskConvert,
"AILab_MaskEnhancer": AILab_MaskEnhancer,
"AILab_MaskCombiner": AILab_MaskCombiner,
"AILab_ImageCombiner": AILab_ImageCombiner,
"AILab_MaskExtractor": AILab_MaskExtractor,
"AILab_ImageStitch": AILab_ImageStitch,
"AILab_ImageCrop": AILab_ImageCrop,
"AILab_ICLoRAConcat": AILab_ICLoRAConcat,
"AILab_CropObject": AILab_CropObject,
"AILab_ImageCompare": AILab_ImageCompare,
"AILab_ColorInput": AILab_ColorInput,
"AILab_ImageResize": AILab_ImageResize,
"AILab_ImageToList": AILab_ImageToList,
"AILab_MaskToList": AILab_MaskToList,
"AILab_ImageMaskToList": AILab_ImageMaskToList,
}
# Node display name mappings
NODE_DISPLAY_NAME_MAPPINGS = {
"AILab_LoadImage": "Load Image (RMBG) 🖼️",
"AILab_LoadImageSimple": "Load Image Basic (RMBG) 🖼️",
"AILab_LoadImageAdvanced": "Load Image Advanced (RMBG) 🖼️",
"AILab_LoadImageBatch": "Load Image Batch (RMBG) 🖼️",
"AILab_UnbatchImages": "Unbatch Images (RMBG) 🖼️",
"AILab_Preview": "Image/Mask Preview (RMBG) 🖼️🎭",
"AILab_MaskOverlay": "Mask Overlay (RMBG) 🖼️🎭",
"AILab_ImagePreview": "Image Preview (RMBG) 🖼️",
"AILab_MaskPreview": "Mask Preview (RMBG) 🎭",
"AILab_ImageMaskConvert": "Image/Mask Converter (RMBG) 🖼️🎭",
"AILab_MaskEnhancer": "Mask Enhancer (RMBG) 🎭",
"AILab_MaskCombiner": "Mask Combiner (RMBG) 🎭",
"AILab_ImageCombiner": "Image Combiner (RMBG) 🖼️",
"AILab_MaskExtractor": "Mask Extractor (RMBG) 🎭",
"AILab_ImageStitch": "Image Stitch (RMBG) 🖼️",
"AILab_ImageCrop": "Image Crop (RMBG) 🖼️",
"AILab_ICLoRAConcat": "IC LoRA Concat (RMBG) 🖼️🎭",
"AILab_CropObject": "Crop To Object (RMBG) 🖼️🎭",
"AILab_ImageCompare": "Side By Side Compare (RMBG) 🖼️🖼️",
"AILab_ColorInput": "Color Input (RMBG) 🎨",
"AILab_ImageResize": "Image Resize (RMBG) 🖼️🎭",
"AILab_ImageToList": "Image to List (RMBG)",
"AILab_MaskToList": "Mask to List (RMBG)",
"AILab_ImageMaskToList": "Image and Mask to List (RMBG)",
}
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