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TashaSkyUp-EternalKernelPyt…/image.py
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import torch
from PIL import Image
import numpy as np
import comfy
import folder_paths
import torch
import torchvision
import os
import hashlib
# info for code completion AI ###
"""
all of these classes are plugins for comfyui and follow the same pattern
all of the images are torch tensors and it is unknown and unimportant if they are on the cpu or gpu
all image inputs are (B,W,H,C)
avoid numpy and PIL as much as possible
"""
try:
from . import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
except ImportError:
NODE_CLASS_MAPPINGS = {}
NODE_DISPLAY_NAME_MAPPINGS = {}
# NODE_CLASS_MAPPINGS = {}
# NODE_DISPLAY_NAME_MAPPINGS = {}
# def ETK_image_base(cls):
# # cls.FUNCTION = "func"
# cls.CATEGORY = "ETK/Image"
# NODE_CLASS_MAPPINGS[cls.__name__] = cls
# return cls
def ETK_image_base(cls):
cls.CATEGORY = "ETK/Image"
# Add spaces to the camel case class name
pretty_name = cls.__name__
for i in range(1, len(pretty_name)):
if pretty_name[i].isupper():
pretty_name = pretty_name[:i] + " " + pretty_name[i:]
cls.DISPLAY_NAME = pretty_name
NODE_CLASS_MAPPINGS[cls.__name__] = cls
NODE_DISPLAY_NAME_MAPPINGS[cls.DISPLAY_NAME] = pretty_name
return cls
def get_fonts():
# Directory paths for fonts in Windows and Linux
windows_fonts_dir = 'C:\\Windows\\Fonts\\'
linux_fonts_dir = '/usr/share/fonts/'
# Use the appropriate directory based on the current platform
if os.name == 'nt': # Windows
fonts_dir = windows_fonts_dir
else: # Linux and others
fonts_dir = linux_fonts_dir
# Initialize the list of fonts
fonts = []
# Check if the directory exists
if os.path.exists(fonts_dir):
try:
# Traverse the directory recursively and add all .ttf and .otf files to the list
for dirpath, dirnames, filenames in os.walk(fonts_dir):
for filename in filenames:
if filename.endswith('.ttf') or filename.endswith('.otf'):
fonts.append(os.path.join(dirpath, filename))
except PermissionError:
print(f"Permission denied to access the directory: {fonts_dir}")
except Exception as e:
print(f"An error occurred while accessing the directory: {fonts_dir}")
print(e)
else:
print(f"The directory does not exist: {fonts_dir}")
return fonts
fonts = get_fonts()
def rgba_per_channel_norm(image):
""" normalize per channel """
print("normalizing per channel")
if image[:, :, :, 0].min() != image[:, :, :, 0].max():
image[:, :, :, 0] = image[:, :, :, 0] - image[:, :, :, 0].min()
image[:, :, :, 0] = image[:, :, :, 0] / image[:, :, :, 0].max()
if image[:, :, :, 1].min() != image[:, :, :, 1].max():
image[:, :, :, 1] = image[:, :, :, 1] - image[:, :, :, 1].min()
image[:, :, :, 1] = image[:, :, :, 1] / image[:, :, :, 1].max()
if image[:, :, :, 2].min() != image[:, :, :, 2].max():
image[:, :, :, 2] = image[:, :, :, 2] - image[:, :, :, 2].min()
image[:, :, :, 2] = image[:, :, :, 2] / image[:, :, :, 2].max()
if image[:, :, :, 3].min() != image[:, :, :, 3].max():
image[:, :, :, 3] = image[:, :, :, 3] - image[:, :, :, 3].min()
image[:, :, :, 3] = image[:, :, :, 3] / image[:, :, :, 3].max()
return image
def torch_image_show(image):
"""Show a torch image"""
from PIL import Image
if image.size().__len__() == 4:
image = image[0]
if image.dtype != torch.uint8:
image = torch.mul(image, 255, )
image = image.to(torch.uint8) # Convert tensor to uint8 data type
# must have at least 3 channels
if image.shape[-1] == 1:
image = torch.cat((image, image, image), dim=-1)
image = image.numpy()
try:
image = Image.fromarray(image) # Create a PIL image
except TypeError as e:
# this is a np array not a torch tensor
# try to rearrange the channels using np
image = np.moveaxis(image, 0, -1)
# image.permute(1, 2, 0)
image = Image.fromarray(image) # Create a PIL image
image.show()
@ETK_image_base
class LoadImageFromPath:
"""receives a comfyui "IMAGE" tensor of BHWC and a path to a file converts the tensor to a PIL image and saves it to the path"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"path": ("STRING", {"default": "output/image.png"}),
},
}
RETURN_TYPES = ("STRING",)
RETURN_NAMES = ("saved_path",)
FUNCTION = "execute"
OUTPUT_NODE = True
def execute(self, image: torch.Tensor, path: str):
from PIL import Image
import numpy as np
from pathlib import Path
path = Path(path)
path.parent.mkdir(parents=True, exist_ok=True)
# Convert torch tensor to PIL Image
pil_image = Image.fromarray((image.squeeze().cpu().numpy() * 255).astype(np.uint8))
# Save image
pil_image.save(path)
return (str(path),)
@ETK_image_base
class SaveImageToPath:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"path": ("STRING", {"default": "output/image.png"}),
"save_sequence": ("BOOLEAN", {"default": False}),
"image_format": (["png", "jpg", "bmp"], {"default": "png"}),
"jpg_quality": ("INT", {
"default": 70,
"min": 0,
"max": 100,
"step": 1,
}),
"png_compression": ("INT", {
"default": 5,
"min": 1,
"max": 9,
"step": 1,
}),
},
}
RETURN_TYPES = ("LIST",)
RETURN_NAMES = ("saved_paths",)
FUNCTION = "execute"
OUTPUT_NODE = True
def execute(self, image: torch.Tensor, path: str, save_sequence: bool, image_format: str, jpg_quality: int,
png_compression: int):
import numpy as np
from PIL import Image
from pathlib import Path
save_paths = []
path = Path(path)
path.parent.mkdir(parents=True, exist_ok=True)
for i, img in enumerate(image):
# Convert torch tensor to PIL Image
pil_image = Image.fromarray((img.squeeze().cpu().numpy() * 255).astype(np.uint8))
# Determine file path
if save_sequence:
file_path = path.with_stem(f"{path.stem}_{i:06d}")
elif image.shape[0] > 1:
file_path = path.with_stem(f"{path.stem}_{i}")
else:
file_path = path
# Ensure correct file extension
file_path = file_path.with_suffix(f".{image_format}")
# Save image
if image_format == "jpg":
pil_image.save(file_path, quality=jpg_quality, optimize=True)
elif image_format == "png":
pil_image.save(file_path, compress_level=png_compression)
else: # bmp
pil_image.save(file_path)
save_paths.append(str(file_path))
return (save_paths,)
@ETK_image_base
class TinyTxtToImg:
"""small text to image generator"""
share_clip = None
share_mdl = None
share_vae = None
def __init__(self):
print("ETK> TinyTxtToImg init")
self.mdl = None
self.clp = None
self.vae = None
self.vision = None
self.steps = 10
self.cfg = 8
self.sampler_name = comfy.samplers.KSampler.SAMPLERS[0]
self.scheduler = comfy.samplers.KSampler.SCHEDULERS[0]
self.positive = None
self.negative = None
self.width = 512
self.height = 512
self.batch_size = 1
self.denoise = 1.0
self.latent_image = None
self.samples = None
@classmethod
def INPUT_TYPES(cls):
return {"required":
{
"prompt": ("STRING", {"multiline": True}),
"neg_prompt": ("STRING", {"multiline": True}),
"clip_encoder": (["comfy -ignore below", "advanced"],),
"token_normalization": (["none", "mean", "length", "length+mean"],),
"weight_interpretation": (["comfy", "A1111", "compel", "comfy++"],),
"ckpt_name": (folder_paths.get_filename_list("checkpoints"),),
"one_seed": ([True, False], {"default": False}),
"unload_model": ([True, False], {"default": True}),
},
"optional": {
"name": ("STRING", {"multiline": False,
"default": "tinytxt2img"}
),
"overrides": ("STRING", {"multiline": True,
"default": '{"width":768,"height":768,"steps":20}'}),
"latent": ("LATENT",),
"pos_cond": ("CONDITIONING",),
"neg_cond": ("CONDITIONING",),
"image": ("IMAGE",),
}
}
CATEGORY = "ETK"
RETURN_TYPES = ("IMAGE", "FUNC", "LATENT", "CONDITIONING", "CONDITIONING",)
RETURN_NAMES = ("image", "FUNC", "latent", "positive", "negative",)
FUNCTION = "tinytxt2img"
def tinytxt2img(self, **kwargs):
""" use the imports from nodes to generate an image from text """
from nodes import CLIPTextEncode
import comfy.model_management as mm
import random
import json
import gc
torch.cuda.empty_cache()
unload_model = kwargs.get("unload_model", True)
prompt = kwargs.get("prompt", "")
neg_prompt = kwargs.get("neg_prompt", "")
clip_encoder = kwargs.get("clip_encoder", "comfy -ignore below")
token_normalization = kwargs.get("token_normalization", "length+mean")
weight_interpretation = kwargs.get("weight_interpretation", "comfy++")
ckpt_name = kwargs.get("ckpt_name", None)
model_ref = kwargs.get("model", None)
vae = kwargs.get("vae", None)
clip = kwargs.get("clip", None)
overrides = kwargs.get("overrides", "")
name = kwargs.get("name", "tinytxt2img")
FUNC = kwargs.get("FUNC", None)
render_what = kwargs.get("render_what", "image")
self.latent_image = kwargs.get("latent", None)
self.pos_cond = kwargs.get("pos_cond", None)
self.neg_cond = kwargs.get("neg_cond", None)
self.seed = kwargs.get("seed", random.randint(0, 2 ** 32 - 1))
self.one_seed_per_batch = kwargs.get("one_seed", False)
self.denoise = kwargs.get("denoise", 1.0)
self.steps = kwargs.get("steps", 10)
if model_ref and vae and clip:
self.mdl = model_ref
self.vae = vae
self.clp = clip
else:
from nodes import CheckpointLoaderSimple
self.mdl, self.clp, self.vae = \
CheckpointLoaderSimple.load_checkpoint(None,
ckpt_name=ckpt_name
)
# Check if an input image is provided
input_image = kwargs.get("image", None)
if input_image is not None:
# Encode the input image using the model's VAE
with torch.no_grad():
self.vae.device = torch.device("cuda:0")
self.vae.first_stage_model = self.vae.first_stage_model.to("cuda:0")
# self.vae.first_stage_model.decoder = self.vae.first_stage_model.decoder.to("cuda:0")
# self.vae.first_stage_model = self.vae.first_stage_model.to("cuda:0")
input_image = input_image.to("cuda")
q = self.vae.encode(input_image)
self.latent_image = {"samples": q}
self.cfg = kwargs.get("cfg", 8)
if not "sampler_name" in kwargs and ckpt_name:
if "lcm" in ckpt_name.lower():
self.sampler_name = comfy.samplers.KSampler.SAMPLERS[18]
self.scheduler = comfy.samplers.KSampler.SCHEDULERS[0]
else:
self.sampler_name = comfy.samplers.KSampler.SAMPLERS[0]
self.scheduler = comfy.samplers.KSampler.SCHEDULERS[0]
self.scheduler = comfy.samplers.KSampler.SCHEDULERS[0]
else:
self.sampler_name = kwargs.get("sampler_name", comfy.samplers.KSampler.SAMPLERS[0])
self.scheduler = kwargs.get("scheduler", comfy.samplers.KSampler.SCHEDULERS[0])
self.positive = prompt
self.negative = neg_prompt
self.width = 512
self.height = 512
self.batch_size = 1
if not self.denoise:
self.denoise = 1.0
if overrides:
if overrides != "":
overrides = overrides.replace("'", "\"")
if overrides[0] != "{":
overrides = "{" + overrides + "}"
valid_dict = json.loads(overrides)
for k, v in valid_dict.items():
if k in self.__dict__:
self.__setattr__(k, v)
else:
print(f"invalid override key: {k}")
# TODO: probably need to prepare the execution better to make sure that applying the incomming func can
# change everything
if FUNC is not None:
self.__dict__.update(FUNC(self.__dict__))
if not self.pos_cond:
self.clp.cond_stage_model = self.clp.cond_stage_model.to("cuda")
if clip_encoder == "comfy -ignore below":
self.clp_encode = lambda x: CLIPTextEncode.encode(None, self.clp, x)[0]
self.pos_cond = self.clp_encode(self.positive)
self.neg_cond = self.clp_encode(self.negative)
elif clip_encoder == "advanced":
self.clp_encode = lambda x: CLIPTextEncodeAdvanced.encode(None,
self.clp,
x,
token_normalization,
weight_interpretation)[0]
try:
self.pos_cond = self.clp_encode(self.positive)
self.neg_cond = self.clp_encode(self.negative)
except Exception as e:
print(e)
raise ValueError("advanced clip encoder failed")
self.clp.cond_stage_model = self.clp.cond_stage_model.to("cpu")
torch.cuda.empty_cache()
gc.collect()
if self.latent_image == None:
from nodes import EmptyLatentImage
self.latent_image = EmptyLatentImage().generate(self.width, self.height, self.batch_size)[0]
if "latent" in render_what or "all" in render_what or "image" in render_what:
self.KSampler = ETKKSampler()
# self.mdl.offload_device = torch.device("cuda:0")
# self.mdl.load_device = torch.device("cuda:0")
self.samples = self.KSampler.sample(
model=self.mdl,
seed=self.seed,
steps=self.steps,
cfg=self.cfg,
sampler_name=self.sampler_name,
scheduler=self.scheduler,
latent_image=self.latent_image,
pos_cond=self.pos_cond,
neg_cond=self.neg_cond,
positive=self.pos_cond,
negative=self.neg_cond,
denoise=self.denoise,
one_seed_per_batch=self.one_seed_per_batch)[0]
if "image" in render_what or "all" in render_what:
# Move the samples to the GPU
self.samples["samples"] = self.samples["samples"].to("cuda")
# Move VAE model to the GPU asynchronously
self.vae.first_stage_model = self.vae.first_stage_model.to("cuda:0")
self.vae.device = torch.device(torch.device("cuda:0"))
torch.cuda.empty_cache()
decoded_images = self.vae.decode(self.samples["samples"])
image = decoded_images.to("cpu")
self.vae.first_stage_model.to("cpu")
self.vae.device = torch.device(torch.device("cpu"))
torch.cuda.empty_cache()
gc.collect()
# Perform VAEDecode using samples in the computation stream
# with torch.cpu.stream(cpu_stream):
# decoded_images = self.vae.decode(self.samples["samples"])
# Synchronize computation stream before moving model back to CPU
# torch.cuda.synchronize()
# Move VAE model back to CPU asynchronously
# self.vae.first_stage_model.to("cpu", non_blocking=True)
# Convert the decoded image to CPU
self.FUNC = self.tinytxt2img
self.ARGS = kwargs
self.samples["samples"] = self.samples["samples"].to("cpu")
ret = (image,
self,
self.samples,
self.pos_cond,
self.neg_cond
,)
if unload_model:
del self.mdl
del self.clp
del self.vae
if "vision" in self.__dict__:
del self.vision
del self.samples
del self.FUNC
del self.ARGS
del self.pos_cond
del self.neg_cond
del self.KSampler
mm.free_memory(mm.get_total_memory(mm.get_torch_device()), mm.get_torch_device())
torch.cuda.empty_cache()
gc.collect()
return ret
@ETK_image_base
class PromptTemplate:
"""replaces the text in the given text string with a given other text at some key positions"""
@classmethod
def INPUT_TYPES(s):
return {"required":
{
"text": ("STRING", {"multiline": True}),
"replacement": ("STRING", {"multiline": True}),
"key1": ("STRING", {"multiline": False}),
}
}
CATEGORY = "text"
RETURN_TYPES = ("STRING",)
FUNCTION = "prompt_template_handler"
def prompt_template_handler(self, text: str, replacement, key1):
"""
>>> PromptTemplate().prompt_template_handler("hello world", "universe", "world")
'hello universe'
"""
return (text.replace(key1, replacement),)
@ETK_image_base
class LoadImage:
@classmethod
def INPUT_TYPES(s):
input_dir = folder_paths.get_input_directory()
return {"required":
{"image": (sorted(os.listdir(input_dir)),)},
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE", "MASK", "IMAGE")
FUNCTION = "load_image_handler"
def load_image_handler(self, image):
"""
>>> fp = './mouths.tif'
>>> results = LoadImage().load_image_handler(fp)
>>> torch_image_show(results[0][0])
:param image:
:return:
"""
if image.endswith(".xcf"):
return self.load_xcf(image)
elif image.endswith(".tif"):
return self.load_tif(image)
else:
return self.load_image(image)
def load_xcf(self, image):
pass
def load_tif(self, image):
input_dir = folder_paths.get_input_directory()
image_path = os.path.join(input_dir, image)
img = Image.open(image_path)
out = []
# first find the maximum width and height
max_width = 0;
max_height = 0
for i in range(img.n_frames):
img.seek(i)
max_width = max(max_width, img.width)
max_height = max(max_height, img.height)
# now create a new tensor with the max width and height
out = torch.zeros((img.n_frames, max_height, max_width, 4), dtype=torch.float)
for i in range(img.n_frames):
img.seek(i)
np_arr = np.array(img).astype(np.float32) / 255.0
padx = max_width - img.width
pady = max_height - img.height
np_arr = np.pad(np_arr, ((0, pady), (0, padx), (0, 0)), mode='constant')
t_arr = torch.tensor(np_arr)
out[i] = t_arr
mask = out[:, :, :, 2:3]
out_rgb = out[:, :, :, :3]
out_rgba = out
return (out_rgb, mask, out_rgba,)
def load_image(self, image):
input_dir = folder_paths.get_input_directory()
image_path = os.path.join(input_dir, image)
i = Image.open(image_path)
img_rgba = Image.open(image_path)
img_rgba = img_rgba.convert("RGBA")
img_rgba = np.array(img_rgba).astype(np.float32) / 255.0
img_rgba = torch.from_numpy(img_rgba)[None,]
image = i.convert("RGB")
image = np.array(image).astype(np.float32) / 255.0
image = torch.from_numpy(image)[None,]
if 'A' in i.getbands():
mask = np.array(i.getchannel('A')).astype(np.float32) / 255.0
mask = 1. - torch.from_numpy(mask)
else:
mask = torch.zeros((64, 64), dtype=torch.float32, device="cpu")
return (image, mask, img_rgba)
@classmethod
def IS_CHANGED(s, image):
input_dir = folder_paths.get_input_directory()
image_path = os.path.join(input_dir, image)
m = hashlib.sha256()
try:
with open(image_path, 'rb') as f:
m.update(f.read())
except FileNotFoundError:
return True
return m.digest().hex()
@ETK_image_base
class SelectFromRGBSimilarity:
"""
selects pixel positions based on similarity to a given color
"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"r": ("FLOAT", {
"default": 0.500,
"min": 0.000,
"max": 1.000,
"step": 0.001
}),
"g": ("FLOAT", {
"default": 0.500,
"min": 0.000,
"max": 1.000,
"step": 0.001
}),
"b": ("FLOAT", {
"default": 0.500,
"min": 0.000,
"max": 1.000,
"step": 0.001
}),
"similarity": ("FLOAT", {
"default": 0.500,
"min": 0.000,
"max": 1.000,
"step": 0.001
})
}
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE",)
FUNCTION = "select_from_rgb_similarity"
def select_from_rgb_similarity(self, image: torch.Tensor, r, g, b, similarity: float = 0.5):
"""
>>> image = torch.rand((1, 64, 64,3))
>>> color = [0.5, 0.5, 0.5]
>>> similarity = 0.5
>>> mask = SelectFromRGBSimilarity.select_from_rgb_similarity(None,image,color[0],color[1],color[2],similarity)[0]
#>>> torch_image_show(mask)
>>> mask.shape
torch.Size([1, 64, 64, 3])
>>> mask.mean()
tensor(1.)
>>> image = torch.rand((2, 64, 64,3))
>>> color = [0.5, 0.5, 0.5]
>>> similarity = 0.25
>>> mask = SelectFromRGBSimilarity.select_from_rgb_similarity(None,image,color[0],color[1],color[2],similarity)[0]
#>>> torch_image_show(mask)
>>> mask.shape
torch.Size([1, 64, 64, 3])
>>> mask.mean()
tensor(0.34)
:param image: torch tensor of shape (B,W,H,C)
:param similarity: array of 3 floats
:return: image mask of the positions where the color is similar white=selected black=not selected
"""
batch_size, height, width, _ = image.shape
color = [r, g, b]
result = torch.zeros_like(image)
# remember that the input image is BWHC
similarity = torch.tensor(similarity)
out = []
for b in range(batch_size):
# just use the first 3 channels
use_image = image[b:b + 1, :, :, :3]
white = torch.ones_like(use_image)
max_distance = torch.norm(torch.tensor([1.0, 1.0, 1.0]))
image_vector = torch.norm(use_image - torch.tensor([0, 0, 0]), dim=-1, keepdim=True)
color_tensor = torch.tensor(color).to(image.device)
color_tensor = color_tensor[None, None, None, :] # Expand dimensions to match image shape for broadcasting
color_distance = torch.linalg.vector_norm(use_image - color_tensor, dim=-1,
keepdim=True) # Euclidean distance between color and pixels
color_distance = color_distance / max_distance
mask_bool = color_distance < similarity
mask_white = white * mask_bool
out.append(mask_white)
out = torch.cat(out, dim=0)
return (out,)
@ETK_image_base
class Quantize:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"image": ("IMAGE",),
"colors": ("INT", {
"default": 256,
"min": 1,
"max": 256,
"step": 1
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "quantize"
CATEGORY = "ETK/image"
def quantize(self, image: torch.Tensor, colors: int = 256):
"""
>>> image = torch.rand((2, 512, 512,3))
>>> colors = 256
>>> quantized = Quantize.quantize(None,image,colors)[0]
>>> quantized.shape
torch.Size([2, 512, 512, 3])
>>> image = torch.rand((2, 512, 512,4))
>>> colors = 256
>>> quantized = Quantize.quantize(None,image,colors)[0]
>>> quantized.shape
torch.Size([2, 512, 512, 4])
"""
batch_size, height, width, _ = image.shape
result = torch.zeros_like(image)
for b in range(batch_size):
tensor_image_start = image[b]
if tensor_image_start.shape[2] == 4:
tensor_image = image[b, :, :, :3]
else:
tensor_image = image[b]
img = (tensor_image * 255).to(torch.uint8).numpy()
pil_image = Image.fromarray(img, mode='RGB')
palette = pil_image.quantize(
colors=colors) # Required as described in https://github.com/python-pillow/Pillow/issues/5836
quantized_image = pil_image.quantize(colors=colors, palette=palette, dither=0)
rgb = quantized_image.convert("RGB")
quantized_array = torchvision.transforms.PILToTensor()(rgb).float() / 255
# fix the indices to b, w, h, c
quantized_array = quantized_array.permute(1, 2, 0)
if tensor_image_start.shape[2] == 4:
result[b][:, :, :3] = quantized_array.to(image.dtype)
result[b][:, :, 3] = image[b, :, :, 3]
else:
result[b] = quantized_array.to(image.dtype)
return (result,)
@ETK_image_base
class select_from_batch:
"""selects a single image from a batch"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"index": ("INT", {
"default": 0,
"min": 0,
"max": 100,
"step": 1
}), }
,
"optional": {
"image": ("IMAGE",),
"latent": ("LATENT",),
},
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE", "LATENT",)
FUNCTION = "select_from_batch"
def select_from_batch(self, index=0, image=None, latent=None):
"""
>>> image = torch.rand((1, 512, 512,3))
>>> index = 0
>>> selected = select_from_batch.select_from_batch(None,image,index)
>>> selected.shape
torch.Size([1, 512, 512, 3])
>>> image = torch.rand((2, 512, 512,3))
>>> selected = select_from_batch.select_from_batch(None,image,1)
>>> selected.shape
torch.Size([1, 512, 512, 3])
"""
olat = None
oimg = None
o_lat_dict = {}
if image is None:
print(latent["samples"].shape)
smpls = latent["samples"][index:index + 1, :, :, :].expand(1, -1, -1, -1).clone()
o_lat_dict["samples"] = smpls
olat = o_lat_dict
print(olat["samples"].shape)
else:
oimg = image[index:index + 1, :, :, :].clone()
print(oimg.shape)
return (oimg, olat,)
@ETK_image_base
class ImageDistanceMask:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"x": ("INT", {
"default": 0,
"min": 0,
"max": 10240,
"step": 1
}),
"y": ("INT", {
"default": 0,
"min": 0,
"max": 10240,
"step": 1
}),
"Z": ("FLOAT", {
"default": 1,
"min": -2,
"max": 2,
"step": .05
}),
"aspect_ratio": ("FLOAT", {
"default": 1,
"min": 0,
"max": 2,
"step": .05
}),
"falloff_method": (["linear", "spherical"],),
}
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE",)
FUNCTION = "distance_mask_image"
def distance_mask_image(self, image, x, y, falloff_method=None, Z=1, aspect_ratio=1.0):
B, H, W, C = image.shape
# Create a meshgrid for the coordinates
grid_y, grid_x = torch.meshgrid(torch.arange(H), torch.arange(W))
# Adjust aspect ratio
grid_x = grid_x * aspect_ratio
x = x * aspect_ratio
# Ensure grid_x and grid_y are on the same device and dtype as the image
grid_x, grid_y = grid_x.to(image.device).type(image.dtype), grid_y.to(image.device).type(image.dtype)
# Calculate distance from (x, y) to each pixel
dist = torch.sqrt((grid_x - x) ** 2 + (grid_y - y) ** 2)
# Normalize the distance to be between 0 and 1
dist = (dist - dist.min()) / (dist.max() - dist.min())
if falloff_method:
if falloff_method == "linear":
dist = 1 - dist
elif falloff_method == "spherical":
dist = torch.sqrt(1 - dist ** 2)
if Z < 0:
dist = 1 - dist
Z = abs(Z)
dist = dist - (1 - Z)
dist = torch.clamp(dist, 0, 1)
# Normalize again after the modifications
dist = (dist - dist.min()) / (dist.max() - dist.min())
# Extend dimensionality to match the input tensor (B, H, W, C)
dist = dist[None, ..., None].expand(B, H, W, C)
return (dist,)
@ETK_image_base
class rgba_lower_clip:
"""Clip RGBA values below a threshold"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"nrm_after": ("INT", {
"default": 0,
"min": 0,
"max": 1,
"step": 1
}),
"r": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"g": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"b": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"a": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "rgba_lower_clip"
CATEGORY = "ETK/image"
def rgba_lower_clip(self, image: torch.Tensor, nrm_after, r, g, b, a):
# image is (B,W,H,C)
image = image.clone()
# check for alpha channel, add if not present
if image.shape[3] == 3:
alpha = torch.ones_like(image[:, :, :, 0])
image = torch.cat((image, alpha.unsqueeze(3)), dim=3)
image[:, :, :, 0] = torch.clamp(image[:, :, :, 0], min=r, max=1.0)
image[:, :, :, 1] = torch.clamp(image[:, :, :, 1], min=g, max=1.0)
image[:, :, :, 2] = torch.clamp(image[:, :, :, 2], min=b, max=1.0)
image[:, :, :, 3] = torch.clamp(image[:, :, :, 3], min=a, max=1.0)
if int(nrm_after) == 1:
image = rgba_per_channel_norm(image)
return (image,)
@ETK_image_base
class ImageStackBlendByMask:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"stack a": ("IMAGE",),
"stack b": ("IMAGE",),
"img mask": ("IMAGE",),
},
}
RETURN_TYPES = ("IMAGE", "IMAGE",)
RETURN_NAMES = ("image", "image rgba")
FUNCTION = "stack_mask"
CATEGORY = "ETK/Image"
def stack_mask(self, **kwargs):
import torch
# use torch to blend two images by a mask
# stacks are already (B,W,H,C)
stack_a = kwargs["stack a"]
stack_b = kwargs["stack b"]
img_mask = kwargs["img mask"]
# check if they all have alpha
if stack_a.shape[3] == 3:
alpha = torch.ones_like(stack_a[:, :, :, 0])
stack_a = torch.cat((stack_a, alpha.unsqueeze(3)), dim=3)
if stack_b.shape[3] == 3:
alpha = torch.ones_like(stack_b[:, :, :, 0])
stack_b = torch.cat((stack_b, alpha.unsqueeze(3)), dim=3)
# allocate new image
new_image = torch.zeros_like(stack_a)
# blend rgb channels
for i in range(3):
new_image[:, :, :, i] = \
(stack_a[:, :, :, i] * img_mask[:, :, :, 0]) \
+ \
(stack_b[:, :, :, i] * (1 - img_mask[:, :, :, 0]))
# alpha should be the mean of the two alphas
new_image[:, :, :, 3] = (stack_a[:, :, :, 3] + stack_b[:, :, :, 3]) / 2
rgba = new_image
rgb = new_image[:, :, :, 0:3]
return (rgb, rgba,)
@ETK_image_base
class rgba_upper_clip:
"""Clip RGBA values above a threshold"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"nrm_after": ("INT", {
"default": 0,
"min": 0,
"max": 1,
"step": 1
}),
"r": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"g": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"b": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"a": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "rgba_upper_clip"
CATEGORY = "ETK/image"
def rgba_upper_clip(self, image: torch.Tensor, nrm_after, r, g, b, a):
# image is (B,W,H,C)
image = image.clone()
# check for alpha channel, add if not present
if image.shape[3] == 3:
alpha = torch.ones_like(image[:, :, :, 0])
image = torch.cat((image, alpha.unsqueeze(3)), dim=3)
image[:, :, :, 0] = torch.clamp(image[:, :, :, 0], min=0, max=r)
image[:, :, :, 1] = torch.clamp(image[:, :, :, 1], min=0, max=g)
image[:, :, :, 2] = torch.clamp(image[:, :, :, 2], min=0, max=b)
image[:, :, :, 3] = torch.clamp(image[:, :, :, 3], min=0, max=a)
if int(nrm_after) == 1:
image = rgba_per_channel_norm(image)
return (image,)
@ETK_image_base
class RGBA_MOD:
"""provide sliders to modify RGBA values"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"r": ("FLOAT", {
"default": 1.0,
"min": 0.0,
"max": 2.0,
"step": 0.01
}),
"g": ("FLOAT", {
"default": 1.0,
"min": 0.0,
"max": 2.0,
"step": 0.01
}),
"b": ("FLOAT", {
"default": 1.0,
"min": 0.0,
"max": 2.0,
"step": 0.01
}),
"a": ("FLOAT", {
"default": 1.0,
"min": 0.0,
"max": 2.0,
"step": 0.01
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "rgba_mod"
CATEGORY = "ETK/image"
def rgba_mod(self, image: torch.Tensor, r, g, b, a):
"""simply multiply the RGBA values by the sliders
images are (B, W, H, C)
"""
# check for alpha channel
if image.shape[3] == 3:
image = torch.cat((image, torch.ones_like(image[:, :, :, 0:1])), dim=3)
image = image.clone()
image[:, :, :, 0] = image[:, :, :, 0] * r
image[:, :, :, 1] = image[:, :, :, 1] * g
image[:, :, :, 2] = image[:, :, :, 2] * b
image[:, :, :, 3] = image[:, :, :, 3] * a
return (image,)
@ETK_image_base
class ImageBC:
"""Normalize an images brightness,droping lower and higher values of n perctile"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"contrast": ("FLOAT", {
"default": 0.0,
"min": -10.0,
"max": 10.0,
"step": 0.01
}),
"brightness": ("FLOAT", {
"default": 0.0,
"min": 0.0,
"max": 10.0,
"step": 0.01
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "image_b_c"
CATEGORY = "ETK/image"
def image_b_c(self, image, contrast, brightness):
"""
Adjusts the contrast of an image, while preserving the alpha channel
>>> image = (torch.rand(2, 256, 256, 4)/10)+.45
>>> image[:,0,0,:] = torch.tensor([0.0,0.0,0.0,0.0])
>>> image[:,1,1,:] = torch.tensor([1.0,1.0,1.0,1.0])
>>> torch_image_show(image)
>>> normalized_image = ImageBC.image_b_c(None,image,2,2)
>>> torch_image_show(normalized_image)
>>> normalized_image.shape
torch.Size([2, 256, 256, 4])
"""
# check for alpha channel
if image.shape[3] == 3:
image = torch.cat((image, torch.ones_like(image[:, :, :, 0:1])), dim=3)
# get the image size
size = image.shape
# Separate the alpha channel
img_a = image[..., -1:]
image = image[..., :-1]
# Permute the dimensions to [..., 1 or 3, H, W]
image = image.permute(0, 3, 1, 2)
# Adjust the contrast
image = torchvision.transforms.functional.adjust_brightness(image, brightness)
image = torchvision.transforms.functional.adjust_contrast(image, contrast)
# Permute the dimensions back to [Batch, H, W, Channels]
image = image.permute(0, 2, 3, 1)
# Concatenate the alpha channel back
image = torch.cat((image, img_a), dim=-1)
return (image,)
@ETK_image_base
class PadToMatch:
""" a node that will pad the smaller of two images to match the size of the larger one """
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"image1": ("IMAGE",),
"image2": ("IMAGE",),
"im2_x_center": ("FLOAT", {
"default": 0.5,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
"im2_y_center": ("FLOAT", {
"default": 0.5,
"min": 0.0,
"max": 1.0,
"step": 0.01
}),
},
}
RETURN_TYPES = ("IMAGE", "IMAGE")
FUNCTION = "padme"
CATEGORY = "ETK/image"
def padme(self, image1, image2, im2_x_center, im2_y_center):
"""
pads the smaller of two images to match the size of the larger one
x_center and y_center are how far to the right and down the smaller image should be placed
images are (B, W, H, C)
>>> PadToMatch.padme(None,torch.ones((1, 2, 2, 3)), torch.ones((1, 3, 3, 3)), 0.5, 0.5)[0].mean(axis=(3))
tensor([[[1., 1., 0.],
[1., 1., 0.],
[0., 0., 0.]]])
"""
target_width = max(image1.shape[1], image2.shape[1])
target_height = max(image1.shape[2], image2.shape[2])
padded1 = torch.zeros((image1.shape[0], target_width, target_height, image1.shape[3]))
padded2 = torch.zeros((image2.shape[0], target_width, target_height, image2.shape[3]))
pad_w_1 = target_width - image1.shape[1]
pad_h_1 = target_height - image1.shape[2]
# img 1 is taken as the centered one
xs = int(pad_w_1 / 2)
xe = xs + image1.shape[1]
ys = int(pad_h_1 / 2)
ye = ys + image1.shape[2]
padded1[:, xs:xe, ys:ye, :] = image1
# img 2 is placed according to the centering parameters
pad_w_2 = target_width - image2.shape[1]
pad_h_2 = target_height - image2.shape[2]
xs = int(pad_w_2 * im2_x_center)
ys = int(pad_h_2 * im2_y_center)
xe = xs + image2.shape[1]
ye = ys + image2.shape[2]
if xe == 0:
xe = None
if ye == 0:
ye = None
padded2[:, xs:xe, ys:ye, :] = image2
return (padded1, padded2)
@ETK_image_base
class StackImages:
""" a node that will stack two images on top of each other """
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"image1": ("IMAGE",),
},
"optional": {
"image2": ("IMAGE",),
"number_of_images": ("INT", {"default": 2, "min": 2, "max": 100}),
# an optionbox with "all" or "upto", model after "one seed per batch" in the sampler
"mode": (["all", "one_for_one", "upto"], {"default": "all"}),
"number_of_repeats": ("INT", {"default": 1, "min": 1, "max": 100}),
}, }
RETURN_TYPES = ("IMAGE",)
FUNCTION = "stackme"
CATEGORY = "ETK/image"
def stackme(self, image1, image2=None, number_of_images=2, mode="all", number_of_repeats=1):
# import modules to help clear memory
import gc
import torch.cuda
"""
stacks two images on top of each other
images are (B, W, H, C) torch tensors
"""
if image1 is not None:
image1 = image1.clone()
if image2 is not None:
image2 = image2.clone()
# gc.collect()
# torch.cuda.empty_cache()
del gc.garbage[:]
gc.collect()
torch.cuda.empty_cache()
# apply number of repeats
if mode == "all" and image2 is not None:
image2 = image2.clone()
out = torch.cat((image1, image2), dim=0)
elif mode == "all" and image2 is None:
out = image1.clone()
elif mode == "one_for_one" and image2 is not None:
# for each image in image1, add each to the output
out_size = min(image1.shape[0], image2.shape[0])
holder = torch.zeros((out_size, image1.shape[1], image1.shape[2], image1.shape[3]))
for i in range(out_size):
holder[i, :, :, :] = image2[i, :, :, :]
out = holder
elif mode == "one_for_one" and image2 is None:
# this might mean that the user whats each index repeated num times
out_size = number_of_repeats * image1.shape[0]
out = torch.zeros((out_size, image1.shape[1], image1.shape[2], image1.shape[3]))
for i in range(out_size):
out[i, :, :, :] = image1[i % image1.shape[0], :, :, :]
elif mode == "upto" and image2 is not None:
# stack them all together but then only return the first number_of_images
out = torch.cat((image1, image2), dim=0)
out = out[:number_of_images, :, :, :]
elif mode == "upto" and image2 is None:
out = image1.clone()
out = out[:number_of_images, :, :, :]
if number_of_repeats > 1:
out = out.repeat(number_of_repeats, 1, 1, 1)
# make sure to apply number of images
out = out[:number_of_images, :, :, :]
torch.cuda.empty_cache()
gc.collect()
return (out,)
@ETK_image_base
class rgba_merge:
"""merges the channels of an RGBA image"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"r": ("IMAGE",),
"g": ("IMAGE",),
"b": ("IMAGE",),
"a": ("IMAGE",),
}
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE",)
FUNCTION = "merge"
def merge(self, r, g, b, a):
"""
r,g,b,a all may be 3, 1, or 4 channel images
>>> image = torch.rand((1, 512, 512,3))
>>> r, g, b, a = rgba_split.split(None,image)
>>> rgba_merge.merge(None,r,g,b,a).shape
torch.Size([1, 512, 512, 4])
:param r:
:param g:
:param b:
:param a:
:return:
"""
# use channel 0 of each channel in the resulting image
r = r[:, :, :, 0:1]
g = g[:, :, :, 0:1]
b = b[:, :, :, 0:1]
a = a[:, :, :, 0:1]
# there will always be an alpha channel so just put the channels together
return (torch.cat((r, g, b, a), dim=3),)
@ETK_image_base
class rgba_split:
"""splits the channels of an RGBA image"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
}
}
CATEGORY = "ETK/image"
RETURN_TYPES = ("IMAGE", "IMAGE", "IMAGE", "IMAGE")
FUNCTION = "split"
def split(self, image):
"""
>>> image = torch.rand((1, 512, 512,3))
>>> r, g, b, a = rgba_split.split(None,image)
>>> r.shape
torch.Size([1, 1, 512, 512])
:param image:
:return:
"""
# check for alhpa channel
if image.shape[3] == 3:
# add alpha channel
alpha = torch.ones((image.shape[0], image.shape[1], image.shape[2], 1))
image = torch.cat((image, alpha), 3)
# for now each channel must be (b,w,h,3) so repeat the channel 3 times
r = image[:, :, :, 0].unsqueeze(3).repeat(1, 1, 1, 3)
g = image[:, :, :, 1].unsqueeze(3).repeat(1, 1, 1, 3)
b = image[:, :, :, 2].unsqueeze(3).repeat(1, 1, 1, 3)
a = image[:, :, :, 3].unsqueeze(3).repeat(1, 1, 1, 3)
return (r, g, b, a,)
def get_image_size(image):
""" returns the width and height of an image """
size = image.shape
width = int(size[0])
height = int(size[1])
return (width * height)
@ETK_image_base
class KSamplerCreateDataset:
""" use KSampler to create a dataset """
@classmethod
def INPUT_TYPES(cls):
inps = ETKKSampler.INPUT_TYPES()
# make sure to set a default
inps["required"]["dataset_name"] = ("STRING", {"default": "dataset"})
return inps
CATEGORY = "ETK/training"
RETURN_TYPES = ("LATENT", "STRING",)
RETURN_NAMES = ("LATENT", "dataset_path",)
FUNCTION = "create_dataset"
def create_dataset(self, model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image,
denoise, one_seed_per_batch, dataset_name):
"""
creates a dataset using KSampler
:param model:
:param seed:
:param steps:
:param cfg:
:param sampler_name:
:param scheduler:
:param positive:
:param negative:
:param latent_image:
:param denoise:
:param dataset_name:
:return:
"""
# create the sampler
sampler = ETKKSampler()
x = {"model": model, "seed": seed, "steps": steps, "cfg": cfg, "sampler_name": sampler_name,
"scheduler": scheduler, "positive": positive, "negative": negative, "latent_image": latent_image,
"denoise": denoise, "one_seed_per_batch": one_seed_per_batch}
# now save x
# just use torch .save?
import torch
# create a random name
import hashlib
import time
# create a random name
name = hashlib.md5(str(time.time()).encode()).hexdigest()[0:8]
name = dataset_name + "_" + name
o = folder_paths.get_output_directory()
import os
dataset_path = os.path.join(o, name)
torch.save(x, dataset_path + "_x.pt")
results = sampler.sample(**x)
# save the results
torch.save(results[0], dataset_path + "_y.pt")
# return the dataset path
return (results[0], dataset_path,)
@ETK_image_base
class ETKKSampler:
@classmethod
def INPUT_TYPES(s):
from nodes import KSampler
ret = KSampler.INPUT_TYPES()
ret["required"]["one_seed_per_batch"] = ([True, False], {"default": False})
return ret
RETURN_TYPES = ("LATENT", "FUNC",)
FUNCTION = "sample"
CATEGORY = "sampling"
def sample(self, **kwargs):
from nodes import common_ksampler
# kwargs = deepcopy(kwargs)
model = kwargs.get("model", None)
seed = kwargs.get("seed", None)
steps = kwargs.get("steps", None)
cfg = kwargs.get("cfg", None)
sampler_name = kwargs.get("sampler_name", None)
scheduler = kwargs.get("scheduler", None)
positive = kwargs.get("positive", None)
negative = kwargs.get("negative", None)
latent_image = kwargs.get("latent_image", None)
denoise = kwargs.get("denoise", None)
one_seed_per_batch = kwargs.get("one_seed_per_batch", None)
# self.FUNC = lambda x: ETKKSampler.sample(self, **x)
# self.ARGS = kwargs
try:
ret = common_ksampler(model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image,
denoise=denoise, one_seed_per_batch=one_seed_per_batch)
except TypeError as e:
ret = common_ksampler(model, seed, steps, cfg, sampler_name, scheduler, positive, negative, latent_image,
denoise=denoise)
except RuntimeError as e:
raise e
ret = (ret[0], self,)
return ret
@ETK_image_base
class ListKSampler:
"""
A KSampler that takes a list for every input, if the list has one element it will be repeated for every sample
"""
@classmethod
def INPUT_TYPES(cls):
s1 = ETKKSampler.INPUT_TYPES()["required"]["sampler_name"]
s2 = ETKKSampler.INPUT_TYPES()["required"]["scheduler"]
return {
"required": {
"model": ("MODEL",),
"seed": ("LIST",),
"steps": ("LIST",),
"cfg": ("LIST",),
"sampler_name": s1,
"scheduler": s2,
"positive": ("LIST",),
"negative": ("LIST",),
"latent_image": ("LIST",),
"denoise": ("LIST",),
"one_seed_per_batch": ("LIST",),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "sample"
CATEGORY = "sampling"
def sample(self, **kwargs):
import torch
import random
# figure out how many samples we need to generate
defaults = {
"seed": [-1],
"steps": [15],
"cfg": [1.0],
"denoise": [1.0],
"one_seed_per_batch": [False]
}
for k in defaults:
if k not in kwargs:
kwargs[k] = defaults[k]
num_samples = 1
for key in kwargs:
if key == "model":
continue
elif key == "sampler_name" or key == "scheduler":
kwargs[key] = [kwargs[key]]
if kwargs[key] is not None:
num_samples = max(num_samples, len(kwargs[key]))
# create a list of dictionaries
samples = []
for i in range(num_samples):
sample = {}
for key, v in kwargs.items():
if v is None:
v = defaults[key]
if not isinstance(kwargs[key], list) and key != "model":
kwargs[key] = [v]
if key == "model":
sample[key] = v
elif key == "seed":
if v in [[-1], [0], [None]]:
sample[key] = random.randint(0, int(10e10 + 1))
else:
sample[key] = v
elif len(v) == 1:
sample[key] = v[0]
else:
sample[key] = v[i]
samples.append(sample)
# create a list of results
results = []
local_ksampler = ETKKSampler()
for sample in samples:
results.append(local_ksampler.sample(**sample)[0])
torch.cuda.empty_cache()
return (results,)
@ETK_image_base
class ListCustomSampler:
"""
A Custom sampler that takes a list for every input, if the list has one element it will be repeated for every sample
"""
@classmethod
def INPUT_TYPES(cls):
s1 = ETKKSampler.INPUT_TYPES()["required"]["sampler_name"]
s2 = ETKKSampler.INPUT_TYPES()["required"]["scheduler"]
return {
"required": {
"model": ("MODEL",),
"add_noise": ("BOOLEAN", {"default": True}),
"sampler": ("SAMPLER",),
"sigmas": ("SIGMAS",),
"noise_seed": ("LIST",),
"cfg": ("LIST",),
"positive": ("LIST",),
"negative": ("LIST",),
"latent_image": ("LIST",),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "sample"
CATEGORY = "sampling"
def sample(self, **kwargs):
import torch
# figure out how many samples we need to generate
num_samples = 1
for key in kwargs:
if key == "model":
continue
elif key == "sampler_name" or key == "scheduler":
continue
if isinstance(kwargs[key], list):
num_samples = max(num_samples, len(kwargs[key]))
else:
pass
# create a list of dictionaries
samples = []
for i in range(num_samples):
sample = {}
for key in kwargs:
if not isinstance(kwargs[key], list) and key != "model":
kwargs[key] = [kwargs[key]]
if key == "model":
sample[key] = kwargs[key]
elif kwargs[key] is None:
sample[key] = None
elif len(kwargs[key]) == 1:
sample[key] = kwargs[key][0]
else:
sample[key] = kwargs[key][i]
samples.append(sample)
# create a list of results
results = []
from comfy_extras.nodes_custom_sampler import SamplerCustom
local_ksampler = SamplerCustom()
for sample in samples:
results.append(local_ksampler.sample(**sample)[0])
torch.cuda.empty_cache()
return (results,)
@ETK_image_base
class ListCLIPTextEncode:
"""
A CLIPTextEncode that takes a list for every input, if the list has one element it will be repeated for every sample
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"text": ("LIST",),
"clip": ("LIST",),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "encode"
CATEGORY = "CLIP"
def encode(self, **kwargs):
# figure out how many samples we need to generate
num_samples = 1
for key in kwargs:
num_samples = max(num_samples, len(kwargs[key]))
# create a list of dictionaries
samples = []
for i in range(num_samples):
sample = {}
for key in kwargs:
if len(kwargs[key]) == 1:
sample[key] = kwargs[key][0]
else:
sample[key] = kwargs[key][i]
samples.append(sample)
# create a list of results
results = []
for sample in samples:
from nodes import CLIPTextEncode
results.append(CLIPTextEncode().encode(**sample)[0])
return (results,)
@ETK_image_base
class ListVAEDecode:
"""
A VAEDecode that takes a list for every input, if the list has one element it will be repeated for every sample
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"latent": ("LIST",),
},
"optional": {
"vae_list": ("LIST",),
"vae": ("VAE",),
}
}
RETURN_TYPES = ("LIST", "IMAGE",)
FUNCTION = "decode"
CATEGORY = "VAE"
def decode(self, **kwargs):
from nodes import VAEDecode
import torch
# figure out if we are using the list of vae or just one
if kwargs.get("vae_list") is None:
kwargs["vae"] = [kwargs.get("vae")]
else:
kwargs["vae"] = kwargs.pop("vae_list")
if "vae_list" in kwargs:
kwargs.pop("vae_list")
# figure out how many samples we need to generate
num_samples = 1
for key in kwargs:
num_samples = max(num_samples, len(kwargs[key]))
# create a list of dictionaries
samples = []
for i in range(num_samples):
sample = {}
for key in kwargs:
if len(kwargs[key]) == 1:
sample[key] = kwargs[key][0]
else:
sample[key] = kwargs[key][i]
samples.append(sample)
# create a list of results
results = []
for sample in samples:
sample["samples"] = sample.pop("latent")
results.append(VAEDecode().decode(**sample)[0])
# the results are a list of image tensors (BHWC) float 0-1
# we need to stack them into a single tensor but first pre-allocte the tensor
# we need to figure out the size of the tensor, we know though that all images are the same size
size = results[0].shape
width = size[1]
height = size[2]
channels = size[3]
num_images = len(results)
# also need to specify to make the final tensor on the CPU
final_bsize = 0
# find the bsize
# sometimes a result will actually be shape (>1, W, H, C)
# sometimes it will be (W, H, C)
# sometimes it will be (1, W, H, C)
for i in range(num_images):
if len(results[i].shape) == 3:
results[i] = results[i].unsqueeze(0)
final_bsize += 1
elif len(results[i].shape) == 4:
if results[i].shape[0] == 1:
results[i] = results[i]
final_bsize += 1
else:
final_bsize += results[i].shape[0]
# assign
final_tensor = torch.zeros((final_bsize, width, height, channels), device="cpu")
cur_idx = 0
while True:
if len(results[i].shape) == 4:
if results[i].shape[0] == 1:
final_tensor[cur_idx] = results[i]
cur_idx += 1
else:
for j in range(results[i].shape[0]):
res = results[i][j]
if len(res.shape) == 3:
res = res.unsqueeze(0)
final_tensor[cur_idx] = res
cur_idx += 1
if cur_idx >= final_bsize:
break
return (results, final_tensor,)
@ETK_image_base
class ListVAEEncode:
"""
A VAEEncode that takes a list for every input, if the list has one element it will be repeated for every sample
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("LIST",),
},
"optional": {
"vae_list": ("LIST",),
"vae": ("VAE",),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "encode"
CATEGORY = "VAE"
def encode(self, **kwargs):
if kwargs.get("vae_list", None) is None:
kwargs["vae"] = [kwargs.get("vae")]
else:
kwargs["vae"] = kwargs.pop("vae_list")
if "vae_list" in kwargs:
kwargs.pop("vae_list")
# figure out how many samples we need to generate
num_samples = 1
for key in kwargs:
num_samples = max(num_samples, len(kwargs[key]))
# create a list of dictionaries
samples = []
for i in range(num_samples):
sample = {}
for key in kwargs:
if len(kwargs[key]) == 1:
sample[key] = kwargs[key][0]
else:
sample[key] = kwargs[key][i]
samples.append(sample)
# create a list of results
results = []
for sample in samples:
results.append(VAEEncode().encode(**sample)[0])
return (results,)
@ETK_image_base
class ImageFromListIdx:
"""
A node that takes a list of images and an index and returns the image at that index
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"images": ("LIST", {"default": []}),
"index": ("INT", {"default": 0, "min": 0, "max": 10e10}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "get_image"
CATEGORY = "ETK/image"
def get_image(self, images, index):
return (images[index],)
@ETK_image_base
class LatentFromListIdx:
"""
A node that takes a list of latents and an index and returns the latent at that index
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"latents": ("LIST", {"default": []}),
"index": ("INT", {"default": 0, "min": -10e10, "max": 10e10}),
}
}
RETURN_TYPES = ("LATENT",)
FUNCTION = "get_latent"
CATEGORY = "ETK/latent"
def get_latent(self, latents, index):
return (latents[index],)
@ETK_image_base
class ListifyAnything:
"""
A node that takes anything and returns it in a list
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"anything": ("*",),
"repeat": ("INT", {"default": 1, "min": 1, "max": 100}),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "listify"
CATEGORY = "ETK/other"
def listify(self, anything, repeat):
return ([anything] * repeat,)
@ETK_image_base
class TextRender:
"""
renders text to an image
"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"text": ("STRING", {"default": "Hello World!"}),
"x": ("INT", {
"default": 128,
"min": 0,
"max": 1024,
"step": 1
}),
"y": ("INT", {
"default": 128,
"min": 0,
"max": 1024,
"step": 1
}),
"width": ("INT", {
"default": 100,
"min": 1,
"max": 1024,
"step": 32
}),
"height": ("INT", {
"default": 100,
"min": 1,
"max": 1024,
"step": 32
}),
"font": (fonts,),
"size": ("INT", {
"default": 16,
"min": 1,
"max": 200,
"step": 1
}),
"color": ("STRING", {
"default": "#000000"
}),
"func_only": ([True, False], {"default": False}),
"stroke fill": ("STRING", {"default": "#000000"}),
"stroke width": ("INT", {"default": 1, "min": 1, "max": 100, "step": 1}),
},
"optional": {
"font_override": ("STRING", {"default": ""}),
}
}
CATEGORY = "ETK/text"
RETURN_TYPES = ("IMAGE", "IMAGE", "STRING", "FUNC",)
RETURN_NAMES = ("image", "image rgba", "possible_fonts", "FUNC",)
FUNCTION = "render_text"
def render_text(self, text, x, y, width, height, font='Arial', size=16, color='#888888', func_only=False, **kwargs):
"""
This function renders the provided text at specified location, with the given width and height.
The text is rendered in the provided font, size, and color.
"""
from PIL import ImageFont, ImageDraw
import psutil
process = psutil.Process();
memory_info = process.memory_info();
start_memory = memory_info.rss / (1024 * 1024)
font_override = kwargs.get("font_override", None)
if font_override:
font = font_override
sw = kwargs.get("stroke width", None)
sf = kwargs.get("stroke fill", None)
def _wrap_text(font, line, max_width, d):
words = line.split(' ')
new_line = ''
lines = []
for word in words:
temp_line = new_line + word + ' '
# w, _ = d.textsize(temp_line, font=font)
# w, h = d.textsize(line, font=font)
(left, top, right, bottom) = d.textbbox((0, 0), text=temp_line, font=font)
w = right - left
h = bottom - top
previous_height = h # Update the previous height
if w > max_width:
lines.append(new_line.strip())
new_line = word + ' '
else:
new_line = temp_line
lines.append(new_line.strip())
wrapped_line = '\n'.join(lines)
return wrapped_line
def _render_text(font_name, image, size, text, x, y, allow_wrap=True, allow_shrink=True, sw=None, sf=None):
width = image.size[0]
d = ImageDraw.Draw(image)
font = ImageFont.truetype(font_name, size)
lines = text.split('\n')
shrink_threshold = 24 # The minimum font size before we start wrapping text
line_spacing = 5 # The constant space between lines
y_offset = y
previous_height = 0 # Store the height of the previous line
for i, line in enumerate(lines):
if line.strip() == '' or line.strip() == '\n':
# For blank lines, add a blank line of the previous line's height
y_offset += previous_height + line_spacing
else:
# w, h = d.textsize(line, font=font)
(left, top, right, bottom) = d.textbbox((0, 0), text=line, font=font)
w = right - left
h = bottom - top
previous_height = h # Update the previous height
if w > width:
if allow_shrink:
new_font_size = int(size * width / w)
if new_font_size >= shrink_threshold:
font = ImageFont.truetype(font_name, new_font_size)
else:
# The font size is too small, start wrapping text
wrapped_line = _wrap_text(font, line, width, d)
y_offset = _render_text(font_name,
image,
size,
wrapped_line, x, y_offset + line_spacing,
allow_wrap=False,
allow_shrink=False,
sf=sf,
sw=sw)
continue # Skip to the next line
if allow_wrap:
# Wrap the text
wrapped_line = _wrap_text(font, line, width, d)
y_offset = _render_text(font_name,
image,
new_font_size,
wrapped_line,
x,
y_offset + line_spacing,
allow_wrap=False,
allow_shrink=False,
sf=sf,
sw=sw)
continue # Skip to the next line
# Draw the line
x_offset = x + (width - w) / 2
if sw or sw:
d.text((x_offset, y_offset), line, font=font, fill="#FFFFFF", stroke_width=sw, stroke_fill=sf)
else:
d.text((x_offset, y_offset), line, font=font, fill="#FFFFFF")
y_offset += h + line_spacing # Move y_offset to the bottom of the last line drawn plus the line spacing
# debug print the amount of free memory in torch
return y_offset
if func_only:
def lll(new_kwargs):
if "font" not in new_kwargs:
new_kwargs["font"] = kwargs.get("font_name", font)
if "color" not in new_kwargs:
new_kwargs["color"] = color
if "size" not in new_kwargs:
new_kwargs["size"] = size
if "text" not in new_kwargs:
new_kwargs["text"] = text
if "x" not in new_kwargs:
new_kwargs["x"] = x
if "y" not in new_kwargs:
new_kwargs["y"] = y
if "width" not in new_kwargs:
new_kwargs["width"] = width
if "height" not in new_kwargs:
new_kwargs["height"] = height
return TextRender().render_text(**new_kwargs)
return (None, None, None, lll,)
font_name = kwargs.get("font_name", font)
# Create an empty image with RGBA channels
image = Image.new('RGBA', (width, height))
_render_text(font_name, image, size, text, x, y, allow_shrink=True, sf=sf, sw=sw)
# Convert the image to numpy array
image_array = np.array(image)
# Convert the numpy array to PyTorch tensor and add batch dimension
image_tensor = torch.from_numpy(image_array).unsqueeze(0).float() / 255.0
# set the alpha to the first channel to make a mask
image_tensor[..., 3] = image_tensor[..., 0].to("cpu")
# now set the text to the correct color
color_arr = torch.zeros(1, 1, 1, 3).to("cpu")
color_arr[0, 0, 0, 0] = int(color[1:3], 16) / 255.0
color_arr[0, 0, 0, 1] = int(color[3:5], 16) / 255.0
color_arr[0, 0, 0, 2] = int(color[5:7], 16) / 255.0
# use color_arr to set the color
image_tensor[..., 0:3] *= color_arr
# make a copy for the RGB image
image_rgb = image_tensor[..., :3]
# print(torch.cuda.memory_stats())
del image
del image_array
del color_arr
process = psutil.Process();
memory_info = process.memory_info();
end_memory = memory_info.rss / (1024 * 1024)
print("Memory used: {} MB".format(end_memory - start_memory))
image_rgb = image_rgb.to("cpu")
image_tensor = image_tensor.to("cpu")
list_of_possible_fonts_str = "\n".join(get_fonts())
return (image_rgb, image_tensor, list_of_possible_fonts_str,)
@ETK_image_base
class StripAlphaChannel:
"""
This function strips the alpha channel from the image.
"""
@classmethod
def INPUT_TYPES(cls):
reqd = {"required": {"image": ("IMAGE",)}}
return reqd
RETURN_TYPES = ("IMAGE",)
RETURN_NAMES = ("image",)
FUNCTION = "strip_alpha_channel"
def strip_alpha_channel(self, image):
"""
This function strips the alpha channel from the image.
>>> sac = StripAlphaChannel()
>>> result = sac.strip_alpha_channel(image)
>>> torch_image_show(result[0])
"""
return (deepcopy(image[..., :3]),)
@ETK_image_base
class FuncImageStackToImageStack:
""" runs exec on giving the user the input image stack and the ability to define the output image stack"""
def __init__(self):
pass
@classmethod
def INPUT_TYPES(cls):
req = {"required": {
"image": ("IMAGE",),
"code": ("STRING", {"multiline": True, "default": "y=x()"})
}}
return req
CATEGORY = "ETK/func"
RETURN_TYPES = ("IMAGE",)
FUNCTION = "func"
def func(self, **kwargs):
func = kwargs.get("func", None)
code = kwargs.get("code", None)
my_globals = globals()
my_locals = locals()
image_x = kwargs.get("image", None)
# gs = image_x.mean(dim=3).repeat(1, 1, 1, 3)
# my_locals["x"] = func
my_locals["x_image"] = kwargs.get("image", None)
my_locals["x"] = kwargs.get("image", None)
exec(code, my_globals, my_locals)
y_image = my_locals.get("y_image", None)
y = my_locals.get("y", None)
out_y = y_image if y_image is not None else y
return (out_y,)
@ETK_image_base
class ScaleLatentChannelwise:
@classmethod
def INPUT_TYPES(s):
return {"required": {
"latent": ("LATENT",),
"w1": ("FLOAT", {"min": -2, "max": 2, "default": 1, "step": 0.05}),
"w2": ("FLOAT", {"min": -2, "max": 2, "default": 1, "step": 0.05}),
"w3": ("FLOAT", {"min": -2, "max": 2, "default": 1, "step": 0.05}),
"w4": ("FLOAT", {"min": -2, "max": 2, "default": 1, "step": 0.05}),
}}
RETURN_TYPES = ("LATENT",)
CATEGORY = "latent"
FUNCTION = "scale"
def scale(self, latent, w1, w2, w3, w4):
# create a new dictionary to store the scaled latent
scaled_latent = {}
# get the samples tensor from the latent
samples = latent["samples"]
# apply scaling to each channel of the samples tensor using the corresponding weight tensor
scaled_samples = samples.clone()
scaled_samples[:, 0, :, :] *= w1
scaled_samples[:, 1, :, :] *= w2
scaled_samples[:, 2, :, :] *= w3
scaled_samples[:, 3, :, :] *= w4
# assign the scaled samples tensor to the "samples" key of the scaled_latent dictionary
scaled_latent["samples"] = scaled_samples
# return the scaled_latent dictionary
return (scaled_latent,)
@ETK_image_base
class ImageStackAndMatch:
# Define properties of the node
"""
Maintain the aspect ratio of multiple images by adding padding or by cropping,
then stack the images into a single torch tensor.
Takes up to 4 image stacks as input.
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image1": ("IMAGE",),
"image2": ("IMAGE",),
"scale_interp": (
["nearest", "bilinear", "bicubic", "area"], {"default": "area"}),
"pad_color": ("STRING", {"default": "#000000"}),
},
"optional": {
"image3": ("IMAGE",),
"image4": ("IMAGE",),
"scale_type": (["SCL_UP", "SCL_DOWN"], {"default": "SCL_UP"}),
"pad_or_crop": (["PAD", "CROP"], {"default": "PAD"}),
}
}
RETURN_TYPES = ("IMAGE",)
CATEGORY = "ETK/func"
FUNCTION = "process_images"
def hex_to_rgb(self, hex_color):
hex_color = hex_color.lstrip("#")
return tuple(int(hex_color[i:i + 2], 16) / 255.0 for i in (0, 2, 4))
def pad_to_max_size(self, image, max_height, max_width, pad_value):
import torch.nn.functional as F
_, h, w, c = image.shape
padding_left = (max_width - w) // 2
padding_right = max_width - w - padding_left
padding_top = (max_height - h) // 2
padding_bottom = max_height - h - padding_top
padding = (padding_left, padding_right, padding_top, padding_bottom)
return F.pad(image, padding, value=pad_value)
def resize_image(self, image, target_height, target_width, scale_interp):
import torch.nn.functional as F
_, h, w, _ = image.shape
scale_factor_height = target_height / h
scale_factor_width = target_width / w
if scale_interp == 'area':
scale_factor_min = min(scale_factor_height, scale_factor_width)
image = F.interpolate(image, scale_factor=scale_factor_min, mode='area', recompute_scale_factor=True,
align_corners=None)
else:
image = F.interpolate(image, size=(target_height, target_width), mode=scale_interp, align_corners=True)
return image
def process_image(self, image, max_height, max_width, scale_type, pad_color, scale_interp, pad_or_crop):
_, h, w, _ = image.shape
pad_value = self.hex_to_rgb(pad_color)
if scale_type == 'SCL_UP':
target_height = max_height if h < max_height else h
target_width = max_width if w < max_width else w
image = self.resize_image(image, target_height, target_width, scale_interp)
if pad_or_crop == 'PAD':
image = self.pad_to_max_size(image, max_height, max_width, pad_value)
else:
raise NotImplementedError('The scale down functionality is not yet implemented.')
return image
def process_images(self, image1, image2, image3=None, image4=None, scale_interp='area',
pad_color="#000000", scale_type='SCL_UP', pad_or_crop='PAD'):
images = [img for img in [image1, image2, image3, image4] if img is not None]
# Determine max height and width
max_height = max(img.shape[1] for img in images)
max_width = max(img.shape[2] for img in images)
# Process and resize images
for i, img in enumerate(images):
images[i] = self.process_image(img, max_height, max_width, scale_type, pad_color, scale_interp, pad_or_crop)
# Stack images into a single tensor
stacked_images = torch.stack(images, dim=0)
return stacked_images
# Define a constant for MAX_RESOLUTION if needed
MAX_RESOLUTION = 4096
@ETK_image_base
class TextInImage:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"scale_factor": ("FLOAT", {"default": 1.0, "min": 0.5, "max": 2.0, "step": 0.1}),
},
}
RETURN_TYPES = ("STRING",)
FUNCTION = "detect_text_batch"
CATEGORY = "OCR"
def detect_text_batch(self, image, scale_factor):
# calls the detect_text function for each image in the batch
results = []
for i in range(image.shape[0]):
results.append(self.detect_text(image[i].unsqueeze(0), scale_factor)[0])
results = '\n\n'.join(results)
return (results,)
def detect_text(self, image, scale_factor):
from .config import config_settings
tesse = config_settings.get("tesseract_location", None)
if tesse is None:
raise Exception("Tesseract location not set in config")
import pytesseract
import cv2
import numpy as np
pytesseract.pytesseract.tesseract_cmd = tesse
# incomming tensor is (B, H, W, C) so convert it
image = image.permute(0, 3, 1, 2)
# Convert the image to a numpy array
image = image[0].cpu().numpy()
image = np.transpose(image, (1, 2, 0))
image = (image * 255).astype(np.uint8)
# Resize the image
height, width, _ = image.shape
image = cv2.resize(image, (int(width * scale_factor), int(height * scale_factor)))
# Convert the image to grayscale
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
# Perform OCR on the image
detected_text = pytesseract.image_to_string(gray)
return (detected_text,)
@ETK_image_base
class DetectTextLines:
@classmethod
def INPUT_TYPES(s):
return {"required": {"image": ("IMAGE",),
"threshold": ("FLOAT", {"default": 0.115, "min": 0.01, "max": 1.0, "step": 0.01})}}
RETURN_TYPES = ("LIST",)
RETURN_NAMES = ("list of IMAGE",)
FUNCTION = "detect_lines"
CATEGORY = "OCR"
def detect_lines(self, image, threshold=0.115):
# Convert the image to (b, h, w, c) format for consistency
# image = image.permute(0, 2, 3, 1)
# Convert the image to grayscale
grayscale_image = 0.299 * image[..., 0] + 0.587 * image[..., 1] + 0.114 * image[..., 2]
# Sum the pixel values along the width to get a 1D tensor
sum_along_width = torch.sum(grayscale_image, dim=-1)
# Normalize the sum to get a clearer indication of lines
normalized_sum = sum_along_width / torch.max(sum_along_width)
# Find the y-coordinates where the normalized sum is above the threshold
line_coordinates = torch.where(normalized_sum >= threshold)[1]
# Additional code for converting lines to bounding boxes
bounding_boxes = []
start_y = None
end_y = None
sorted_coordinates = torch.sort(line_coordinates).values
for i, coord in enumerate(sorted_coordinates):
if start_y is None:
start_y = coord
if i < len(sorted_coordinates) - 1:
if sorted_coordinates[i + 1] - coord > 1:
end_y = coord
else:
end_y = coord
if end_y is not None:
bounding_boxes.append([start_y.item(), end_y.item()])
start_y = None
end_y = None
# at this point the channels are in 2nd dimension
# so we need to transpose them to the last dimension
# image = image.permute(0, 3, 1, 2)
# Create image tensors for each bounding box
line_images = [image[:, y1:y2 + 1, :, :] for y1, y2 in bounding_boxes]
return (line_images,)
@ETK_image_base
class TileImage:
"""repeat an image in a 3x3 grid, useful for checking for tiling artifacts"""
@classmethod
def INPUT_TYPES(self):
return {"required": {"image": ("IMAGE",)}}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "tile_image"
CATEGORY = "IMAGE"
def tile_image(self, image):
import torch
# image is already B,H,W,C
# pad the image to make it a multiple of 3
# height, width = image.shape[1:3]
# new_height = height + (3 - height % 3)
# new_width = width + (3 - width % 3)
# image = F.pad(image, (0, new_width - width, 0, new_height - height))
# repeat the image in each dimension
image = torch.cat([image, image, image], dim=1)
image = torch.cat([image, image, image], dim=2)
# now the image is 3x3 with each 1/3 being the original image
# now the image shape is B,3H,3W,5
return (image,)
@ETK_image_base
class FloodFillNode:
node_id = "comfyui.flood_fill"
node_name = "Flood Fill"
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",), # Expecting a NumPy array or tensor
"start_x": ("INT", {"min": 0, "default": 0}),
"start_y": ("INT", {"min": 0, "default": 0}),
"target_color": ("STRING", {"default": "#FFFFFF"}),
"replacement_color": ("STRING", {"default": "#000000"}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
def __init__(self):
self.num_workers = None # Can be set to the number of processes to create
@staticmethod
def hex_to_rgb(hex_color):
# Convert hex color string to RGB tuple
hex_color = hex_color.lstrip("#")
return tuple(int(hex_color[i:i + 2], 16) for i in (0, 2, 4))
def flood_fill(self, image, start_coords, target_color, replacement_color):
# The flood fill algorithm assumes 2D image input (single sample from the batch)
image = image.squeeze(0) # Remove the batch dimension assuming a single sample
height, width, _ = image.shape
target_color = torch.tensor(target_color, dtype=torch.float32)
replacement_color = torch.tensor(replacement_color, dtype=torch.float32)
target_color = target_color.view(1, 1, 3)
replacement_color = replacement_color.view(1, 1, 3)
start_x, start_y = start_coords
stack = [(start_x, start_y)]
# Convert to pixel value range [0, 1] if the max value is greater than 1
if image.max() > 1.0:
image = image / 255.0
visited = torch.zeros(height, width, dtype=torch.bool)
while len(stack) > 0:
x, y = stack.pop()
if not (0 <= x < width and 0 <= y < height) or visited[y, x] or not torch.allclose(image[y, x],
target_color, atol=1e-6):
continue
visited[y, x] = True
image[y, x] = replacement_color
neighbors = [(x + dx, y + dy) for dx, dy in [(-1, 0), (1, 0), (0, -1), (0, 1)]]
stack.extend(neighbors)
image = image.unsqueeze(0) # Add the batch dimension back
return image
def execute(self, images, start_x, start_y, target_color_hex, replacement_color_hex):
target_color = self.hex_to_rgb(target_color_hex)
replacement_color = self.hex_to_rgb(replacement_color_hex)
# Normalize colors to [0, 1] range and convert to the tensor
target_color = [c / 255.0 for c in target_color]
replacement_color = [c / 255.0 for c in replacement_color]
# Apply flood fill to each image in the batch
for i in range(images.shape[0]):
images[i] = self.flood_fill(images[i], (start_x, start_y), target_color, replacement_color)
return images
@ETK_image_base
class DecorateHeightMap:
"""
Decorate a height map with input images at different heights specified by input list
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"height_map": ("IMAGE",), # Expecting a NumPy array or tensor
"images": ("IMAGE",), # Expecting a NumPy array or tensor
"heights": ("LIST", {"default": [0.5]}),
"feather": ("LIST", {"default": [0.05]}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
def execute(self, height_map, images, heights, feather=0.05):
"""
Args:
height_map: float values 0-1 1,h,w,3
images: z,x,y,c
heights: list of floats 0-1 length of z-1
feather: single float or a list of floats specifying the gradient width for feathering effect
Returns:
torch image 1,h,w,3
"""
heights = heights.copy()
images = images[..., 0:3].clone()
height_map = height_map[..., 0:3].clone()
# Ensure heights is a list and add boundary values
heights = [0.0] + heights + [1.0]
# If feather is a single float, create a list of the same feather value for each transition
if isinstance(feather, float):
feather = [feather] * (len(heights) - 1)
# so the length of th feather list must be at least 1
# if there is one height then it should be length 1
# if there are two heights then it should be length 2
# if there are three heights then it should be length 3
# etc
if len(feather) != len(heights) - 2:
raise ValueError("feather must be a single float or a list of floats of the same length as heights")
# Check for dimension match between height_map and images
if height_map.shape[1:3] != images.shape[1:3]:
raise ValueError("height_map and images must have the same height and width")
# Convert height map to 2D
height_map_2d = height_map.squeeze(0)[..., 0]
# Initialize output with the first texture
output = images[0].clone()
for i in range(1, len(heights) - 1):
current_feather = feather[i - 1]
# Calculate the mask for the current segment
mask = torch.sigmoid((height_map_2d - heights[i - 1]) / current_feather) * (
1 - torch.sigmoid((height_map_2d - heights[i]) / current_feather))
mask = mask.unsqueeze(-1).repeat(1, 1, 3) # Expand mask to match image dimensions
# Blend the output with the next texture using the mask
output = output * (1 - mask) + images[i] * mask
# Normalize the output to ensure it's within the valid range of [0, 1]
output = torch.clamp(output, 0, 1).unsqueeze(0)
return (output,)
@ETK_image_base
class RandomImageFromFolder:
"""
Randomly select an image from a folder
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"folder": ("STRING", {"default": "./output"}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
def execute(self, folder):
"""
Args:
folder: string
Returns:
torch image 1,h,w,3
"""
import random
# Get a list of all files in the folder
files = os.listdir(folder)
# Filter out non-image files
files = [f for f in files if f.endswith(".jpg") or f.endswith(".png")]
# Select a random file
file = random.choice(files)
# Load the image
image = Image.open(os.path.join(folder, file))
# Convert to torch tensor
image = torch.from_numpy(np.array(image)).float() / 255.0
image = image.unsqueeze(0)
return (image,)
@ETK_image_base
class ZoomInImage:
"""
Zoom in on an image by a specified factor and center point
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"zoom_factor": ("FLOAT", {"default": 2.0, "min": .01, "max": 1000.0, "step": 0.1}),
"center_x": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}),
"center_y": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}),
"interpolation": (["nearest", "bilinear", "bicubic", "area"], {"default": "bilinear"}),
"keep_size": (["True", "False"], {"default": "True"}),
"animate": ("BOOLEAN", {"default": False}),
"exponential_zoom": ("BOOLEAN", {"default": False}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "zoom_in"
CATEGORY = "ETK/image"
def zoom_in(self, image, zoom_factor, center_x, center_y, interpolation, keep_size, animate, exponential_zoom):
batch_size, height, width, channels = image.shape
frames = []
for frame in range(batch_size):
percent_done = frame / batch_size
if exponential_zoom:
percent_done = percent_done ** 2
# Calculate the zoom factor for this image
frame_zoom_factor = 1 + (zoom_factor * percent_done)
# Calculate the new dimensions after zooming
new_height = int(height / frame_zoom_factor)
new_width = int(width / frame_zoom_factor)
# Calculate the coordinates of the top-left corner of the zoomed region
top = int((height - new_height) * center_y)
left = int((width - new_width) * center_x)
# Extract the zoomed region from the image
zoomed_image = image[frame, top:top + new_height, left:left + new_width, :].unsqueeze(0)
if keep_size == "True":
# change order of dims for interpolation
zoomed_image = zoomed_image.permute(0, 3, 1, 2)
# Resize the zoomed region back to the original dimensions
zoomed_image = torch.nn.functional.interpolate(zoomed_image, size=(height, width), mode=interpolation,
align_corners=False)
# change order of dims back
zoomed_image = zoomed_image.permute(0, 2, 3, 1)
frames.append(zoomed_image)
# Stack all frames into a 4D tensor
frames = torch.cat(frames, dim=0)
return (frames,)
@ETK_image_base
class ListUpscaleLatentBy:
"""uses from nodes import LatentUpscaleBy"""
@classmethod
def INPUT_TYPES(cls):
from nodes import LatentUpscaleBy
tmp = LatentUpscaleBy.INPUT_TYPES()["required"]["upscale_method"]
return {
"required": {
"latents": ("LIST", {"default": None}),
"upscale_method": tmp,
},
"optional": {
"factors": ("LIST", {"default": None}),
"factor": ("FLOAT", {"default": 1.5, "min": 0.0, }),
}
}
RETURN_TYPES = ("LIST",)
FUNCTION = "upscale"
CATEGORY = "latent"
def upscale(self, latents, upscale_method, factors=None, factor=1.5):
from nodes import LatentUpscaleBy
if not factors:
factors = [factor] * len(latents)
# Check if latents and factors have the same length
if len(latents) != len(factors):
raise ValueError("Latents and factors must have the same length")
# Apply LatentUpscaleBy to each pair of latent and factor
upscaled_latents = [LatentUpscaleBy().upscale(latent, upscale_method, factor)[0] for latent, factor in
zip(latents, factors)]
return (upscaled_latents,)
@ETK_image_base
class SBSImage:
"""
Combine two images side by side
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image1": ("IMAGE",),
"image2": ("IMAGE",),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
CATEGORY = "ETK/image"
def execute(self, image1, image2):
"""
Args:
image1: torch image b,h,w,3
image2: torch image b,h,w,3
Returns:
torch image 1,h,w,3
"""
# Check if the images have the same height
if image1.shape[1] != image2.shape[1]:
raise ValueError("Images must have the same height")
# Check if the images have the same number of channels
if image1.shape[3] != image2.shape[3]:
raise ValueError("Images must have the same number of channels")
# Stack the images horizontally
output = torch.cat([image1, image2], dim=2)
return (output,)
@ETK_image_base
class TTBImage:
"""
Combine two images top to bottom
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image1": ("IMAGE",),
"image2": ("IMAGE",),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
CATEGORY = "ETK/image"
def execute(self, image1, image2):
"""
Args:
image1: torch image b,h,w,3
image2: torch image b,h,w,3
Returns:
torch image 1,h,w,3
"""
# Check if the images have the same width
if image1.shape[2] != image2.shape[2]:
raise ValueError("Images must have the same width")
# Check if the images have the same number of channels
if image1.shape[3] != image2.shape[3]:
raise ValueError("Images must have the same number of channels")
# Stack the images vertically
output = torch.cat([image1, image2], dim=1)
return (output,)
@ETK_image_base
class ImageGrid:
"""
Combine multiple images into a grid
"""
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"rows": ("INT", {"default": 2, "min": 1}),
"cols": ("INT", {"default": 2, "min": 1}),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "execute"
CATEGORY = "ETK/image"
def get_img_idx(self, row, col, rows, cols):
return row * cols + col
def get_xy_for_idx(self, idx, rows, cols):
row = idx % cols
col = idx // cols
return row, col
def execute(self, image, rows, cols):
"""
Args:
image: image (r*c),h,w,3
rows: int
cols: int
Returns:
torch image 1,h*r,w*c,3
"""
# Check if the number of images is equal to the number of rows times the number of columns
num_images = rows * cols
if len(image) < num_images:
# Calculate how many noise images are needed
num_noise_images = num_images - len(image)
# Create the required number of noise images
noise_shape = image[0].shape
noise_images = torch.randn((num_noise_images,) + noise_shape, dtype=image.dtype, device=image.device)
# Concatenate the noise images to the original images
image = torch.cat((image, noise_images), dim=0)
# Check if each row has the same height for each image
for row in range(rows):
row_idxs = [self.get_img_idx(row, col, rows, cols) for col in range(cols)]
heights = [image[idx].shape[1] for idx in row_idxs]
if not all(height == heights[0] for height in heights):
raise ValueError("Images in the same row must have the same height")
# Check if all columns of images have the same width
for col in range(cols):
col_idxs = [self.get_img_idx(row, col, rows, cols) for row in range(rows)]
widths = [image[idx].shape[2] for idx in col_idxs]
if not all(width == widths[0] for width in widths):
raise ValueError("Images in the same column must have the same width")
col_widths = []
for column in range(cols):
idx = self.get_img_idx(0, column, rows, cols)
col_width = image[idx].shape[1]
col_widths.append(col_width)
col_heights = []
for row in range(rows):
idx = self.get_img_idx(row, 0, rows, cols)
col_height = image[idx].shape[0]
col_heights.append(col_height)
col_y_pix = [int(sum(col_heights[:i])) for i in range(len(col_heights))]
col_x_pix = [int(sum(col_widths[:i])) for i in range(len(col_widths))]
total_height = sum(col_heights)
total_width = sum(col_widths)
out_tensor = torch.zeros((1, total_height, total_width, image.shape[3]), dtype=image.dtype,
device=image.device)
# check if there is not enough rows and cols to display all images
max_idx = rows * cols
tot_images = len(image)
if max_idx < tot_images:
raise ValueError("not enough grid space to show all images")
for idx in range(len(image)):
x, y = self.get_xy_for_idx(idx, rows, cols)
x_pix = col_x_pix[x]
y_pix = col_y_pix[y]
h, w, _ = image[idx].shape
out_tensor[0, y_pix:y_pix + h, x_pix:x_pix + w, :] = image[idx]
image.to("cpu")
del image
torch.cuda.empty_cache()
return (out_tensor,)
@ETK_image_base
class QueryImage:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"prompt": ("STRING", {"multiline": True}),
"image": ("IMAGE",)
}
}
FUNCTION = "execute"
CATEGORY = "image_to_text"
RETURN_TYPES = ("STRING",)
def execute(self, prompt, image):
from .modules.agent_commands import query_image
result = query_image.execute({"prompt": prompt, "image": image})
return (result["result"],)
@ETK_image_base
class CLIPSegAdv:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"image": ("IMAGE",),
"text": ("STRING", {"default": "", "multiline": False}),
"use_cuda": ("BOOLEAN", {"default": False}),
},
"optional": {
"clipseg_model": ("CLIPSEG_MODEL",),
}
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "apply_transform"
CATEGORY = "image/transformation"
def x28_model(self, model, processor, num):
# takes an initialized model and processor and integrates it into a nn.module to run in paralell
from torch import nn
class x28_model(nn.Module):
def __init__(self, model, processor, overlap=64, slice_size=352):
super(x28_model, self).__init__()
self.model = model
self.processor = processor
self.mask = None
# Create a blending mask
self.mask = np.ones((slice_size, slice_size))
self.mask[:overlap, :] *= np.linspace(0, 1, overlap)[:, None]
self.mask[-overlap:, :] *= np.linspace(1, 0, overlap)[:, None]
self.mask[:, :overlap] *= np.linspace(0, 1, overlap)[None, :]
self.mask[:, -overlap:] *= np.linspace(1, 0, overlap)[None, :]
self.mask = torch.tensor(self.mask, dtype=torch.float32).unsqueeze(0).unsqueeze(0)
def forward(self, image, text, boxs):
import torch
image = image.permute(0, 3, 1, 2).to(torch.float32) * 255
out_image = image.clone() * 0
for i, bc in enumerate(boxs):
with torch.no_grad():
# img = image[:, :, bc[0]:bc[1], bc[2]:bc[3]]
inputs = processor(text=text, images=image[:, :, bc[0]:bc[1], bc[2]:bc[3]], return_tensors="pt")
result = self.model(**inputs)
t = torch.sigmoid(result[0])
mask = (t - t.min()) / t.max()
mask = mask.unsqueeze(0)
mask = mask.repeat(1, 3, 1, 1)
out_image[:, :, bc[0]:bc[1], bc[2]:bc[3]] += (mask * self.mask)
return out_image
mdl = x28_model(model, processor, num)
return mdl
def apply_transform(self, image, text, use_cuda, clipseg_model):
import torch
import torch.nn.functional as F
from transformers import CLIPSegProcessor, CLIPSegForImageSegmentation
B, H, W, C = image.shape
aspect = H / W
if B != 1:
raise NotImplementedError("Batch size must be 1")
# Desired slice size and overlap
slice_size = 352
overlap = slice_size // 2
overlap = 32
# num_slices_w, slices = self.get_slices(image, overlap, slice_size)
# just support landscape, square or portrait images
# 4x7=28, 5x5=25, 7x4=28
if aspect < 1.25:
num_slices_w = 3 * 2
num_slices_h = 2 * 2
elif aspect > 0.75:
num_slices_w = 2 * 2
num_slices_h = 3 * 2
else:
num_slices_w = 3 * 2
num_slices_h = 3 * 2
model, processor = self.get_models(clipseg_model, use_cuda)
image_global = image.permute(0, 3, 1, 2)
image_global = F.interpolate(image_global, size=(num_slices_h * slice_size, num_slices_w * slice_size),
mode='bilinear',
align_corners=False)
image_global = image_global.permute(0, 2, 3, 1)
image_global = self.get_global_prediction(image_global, model, processor, slice_size, text, use_cuda)
# _, slices = self.get_slices(image_global, overlap, slice_size)
slc_boxs = self.get_slice_boxs(image_global, overlap, slice_size)
modelx28 = self.x28_model(model, processor, num=len(slc_boxs))
# Apply the transformation to each slice
transformed_image = modelx28.forward(image_global, text, slc_boxs)
transformed_image = transformed_image.permute(0, 2, 3, 1)
y = transformed_image
total_power = (y + image_global) / 2
just_black = image_global < 0.01
p1 = total_power > .5
p2 = y > .5
p3 = image_global > .5
condition = p1 | p2 | p3
condition = condition & ~just_black
y = torch.where(condition, 1.0, 0.0)
return (y,)
def get_global_prediction(self, image, model, processor, slice_size, text, use_cuda):
from torch import nn
import torch.nn.functional as F
B, H, W, C = image.shape
image_global = image.permute(0, 3, 1, 2)
image_global = F.interpolate(image_global, size=(slice_size, slice_size), mode='bilinear', align_corners=False)
image_global = image_global.permute(0, 2, 3, 1)
_, image_global = self.CLIPSeg_image(image_global.float(), text, processor, model, use_cuda)
image_global = image_global.permute(0, 3, 1, 2)
image_global = F.interpolate(image_global, size=(H, W), mode='bilinear', align_corners=False)
image_global = image_global.permute(0, 2, 3, 1)
return image_global
def get_models(self, clipseg_model, use_cuda):
from transformers import CLIPSegProcessor, CLIPSegForImageSegmentation
# Initialize CLIPSeg model and processor
if clipseg_model:
processor = clipseg_model[0]
model = clipseg_model[1]
else:
processor = CLIPSegProcessor.from_pretrained("CIDAS/clipseg-rd64-refined")
model = CLIPSegForImageSegmentation.from_pretrained("CIDAS/clipseg-rd64-refined")
# Move model to CUDA if requested
if use_cuda and torch.cuda.is_available():
model = model.to('cuda')
processor.image_processor.do_rescale = True
processor.image_processor.do_resize = False
return model, processor
def get_slices(self, image, overlap, slice_size):
B, H, W, C = image.shape
# Calculate the number of slices needed along each dimension
num_slices_h = (H - overlap) // (slice_size - overlap) + 1
num_slices_w = (W - overlap) // (slice_size - overlap) + 1
# Prepare a list to store the slices
slices = []
# Generate the slices
for i in range(num_slices_h):
for j in range(num_slices_w):
start_h = i * (slice_size - overlap)
start_w = j * (slice_size - overlap)
end_h = min(start_h + slice_size, H)
end_w = min(start_w + slice_size, W)
start_h = max(0, end_h - slice_size)
start_w = max(0, end_w - slice_size)
slice_ = image[:, start_h:end_h, start_w:end_w, :]
print(slice_.shape)
slices.append(slice_)
return num_slices_w, slices
def get_slice_boxs(self, image, overlap, slice_size):
B, H, W, C = image.shape
# Calculate the number of slices needed along each dimension
num_slices_h = (H - overlap) // (slice_size - overlap) + 1
num_slices_w = (W - overlap) // (slice_size - overlap) + 1
# Prepare a list to store the slices
slices_boxs = []
# Generate the slices
for i in range(num_slices_h):
for j in range(num_slices_w):
start_h = i * (slice_size - overlap)
start_w = j * (slice_size - overlap)
end_h = min(start_h + slice_size, H)
end_w = min(start_w + slice_size, W)
start_h = max(0, end_h - slice_size)
start_w = max(0, end_w - slice_size)
bx = (start_h, end_h, start_w, end_w)
slices_boxs.append(bx)
print(bx)
return slices_boxs
def CLIPSeg_image(self, image, text, processor, model, use_cuda):
import torch
import torchvision.transforms.functional as TF
B, H, W, C = image.shape
import torchvision
with torch.no_grad():
image = image.permute(0, 3, 1, 2).to(torch.float32) * 255
inputs = processor(text=[text] * B, images=image, padding=True, return_tensors="pt")
# Move model and image tensors to CUDA if requested
if use_cuda and torch.cuda.is_available():
model = model.to('cuda')
inputs = {k: v.to('cuda') if isinstance(v, torch.Tensor) else v for k, v in inputs.items()}
result = model(**inputs)
t = torch.sigmoid(result[0])
mask = (t - t.min()) / t.max()
mask = torchvision.transforms.functional.resize(mask, (H, W))
mask = mask.unsqueeze(-1)
mask_img = mask.repeat(1, 1, 1, 3)
# Move mask and mask_img back to CPU if they were moved to CUDA
if use_cuda and torch.cuda.is_available():
mask = mask.cpu()
mask_img = mask_img.cpu()
return (mask, mask_img,)
from typing import Tuple
@ETK_image_base
class PreviewImagePassThrough: # (PreviewImage):
@classmethod
def INPUT_TYPES(s):
from nodes import PreviewImage
# get the input types from the parent class
input_types = PreviewImage.INPUT_TYPES()
return input_types
OUTPUT_NODE = True
RETURN_TYPES = ("IMAGE",)
FUNCTION = "pass_through"
def pass_through(self, **kwargs):
from nodes import PreviewImage
images = kwargs.pop("images", None)
# first call the parent class's save_image method
result = PreviewImage().save_images(images, **kwargs)
result["result"] = (images,)
return result
def main():
t = CLIPSegAdv()
t.apply_transform(torch.rand(1, 1920, 1080, 3), "a", False, None)
if __name__ == "__main__":
main()
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