301 lines
8.6 KiB
Python
301 lines
8.6 KiB
Python
from __future__ import annotations
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from copy import copy
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from typing import NamedTuple
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from PIL import Image
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import numpy as np
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import base64
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import torch
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import torch.nn.functional as F
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from io import BytesIO
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from server import PromptServer, BinaryEventTypes
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from comfy.clip_vision import ClipVisionModel
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from comfy.sd import StyleModel
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class LoadImageBase64:
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@classmethod
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def INPUT_TYPES(s):
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return {"required": {"image": ("STRING", {"multiline": False})}}
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RETURN_TYPES = ("IMAGE", "MASK")
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CATEGORY = "external_tooling"
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FUNCTION = "load_image"
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def load_image(self, image):
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imgdata = base64.b64decode(image)
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img = Image.open(BytesIO(imgdata))
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if "A" in img.getbands():
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mask = np.array(img.getchannel("A")).astype(np.float32) / 255.0
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mask = torch.from_numpy(mask)
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else:
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mask = None
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img = img.convert("RGB")
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img = np.array(img).astype(np.float32) / 255.0
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img = torch.from_numpy(img)[None,]
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return (img, mask)
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class LoadMaskBase64:
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@classmethod
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def INPUT_TYPES(s):
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return {"required": {"mask": ("STRING", {"multiline": False})}}
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RETURN_TYPES = ("MASK",)
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CATEGORY = "external_tooling"
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FUNCTION = "load_mask"
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def load_mask(self, mask):
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imgdata = base64.b64decode(mask)
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img = Image.open(BytesIO(imgdata))
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img = np.array(img).astype(np.float32) / 255.0
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img = torch.from_numpy(img)
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if img.dim() == 3: # RGB(A) input, use red channel
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img = img[:, :, 0]
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return (img.unsqueeze(0),)
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class SendImageWebSocket:
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"images": ("IMAGE",),
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"format": (["PNG", "JPEG"], {"default": "PNG"}),
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}
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}
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RETURN_TYPES = ()
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FUNCTION = "send_images"
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OUTPUT_NODE = True
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CATEGORY = "external_tooling"
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def send_images(self, images, format):
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results = []
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for tensor in images:
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array = 255.0 * tensor.cpu().numpy()
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image = Image.fromarray(np.clip(array, 0, 255).astype(np.uint8))
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server = PromptServer.instance
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server.send_sync(
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BinaryEventTypes.UNENCODED_PREVIEW_IMAGE,
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[format, image, None],
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server.client_id,
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)
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results.append({
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"source": "websocket",
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"content-type": f"image/{format.lower()}",
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"type": "output",
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})
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return {"ui": {"images": results}}
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class CropImage:
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"""Deprecated, ComfyUI has an ImageCrop node now which does the same."""
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",),
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"x": (
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"INT",
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{"default": 0, "min": 0, "max": 8192, "step": 1},
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),
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"y": (
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"INT",
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{"default": 0, "min": 0, "max": 8192, "step": 1},
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),
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"width": (
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"INT",
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{"default": 512, "min": 1, "max": 8192, "step": 1},
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),
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"height": (
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"INT",
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{"default": 512, "min": 1, "max": 8192, "step": 1},
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),
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}
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}
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CATEGORY = "external_tooling"
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RETURN_TYPES = ("IMAGE",)
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FUNCTION = "crop"
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def crop(self, image, x, y, width, height):
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out = image[:, y : y + height, x : x + width, :]
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return (out,)
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def to_bchw(image: torch.Tensor):
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if image.ndim == 3:
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image = image.unsqueeze(0)
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return image.movedim(-1, 1)
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def to_bhwc(image: torch.Tensor):
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return image.movedim(1, -1)
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def mask_batch(mask: torch.Tensor):
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if mask.ndim == 2:
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mask = mask.unsqueeze(0)
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return mask
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class ApplyMaskToImage:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",),
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"mask": ("MASK",),
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}
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}
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CATEGORY = "external_tooling"
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RETURN_TYPES = ("IMAGE",)
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FUNCTION = "apply_mask"
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def apply_mask(self, image: torch.Tensor, mask: torch.Tensor):
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out = to_bchw(image)
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if out.shape[1] == 3: # Assuming RGB images
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out = torch.cat([out, torch.ones_like(out[:, :1, :, :])], dim=1)
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mask = mask_batch(mask)
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assert mask.ndim == 3, f"Mask should have shape [B, H, W]. {mask.shape}"
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assert out.ndim == 4, f"Image should have shape [B, C, H, W]. {out.shape}"
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assert out.shape[-2:] == mask.shape[-2:], (
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f"Image size {out.shape[-2:]} must match mask size {mask.shape[-2:]}"
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)
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is_mask_batch = mask.shape[0] == out.shape[0]
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# Apply each mask in the batch to its corresponding image's alpha channel
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for i in range(out.shape[0]):
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alpha = mask[i] if is_mask_batch else mask[0]
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out[i, 3, :, :] = alpha
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return (to_bhwc(out),)
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class _ReferenceImageData(NamedTuple):
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image: torch.Tensor
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weight: float
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range: tuple[float, float]
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class ReferenceImage:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",),
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"weight": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0}),
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"range_start": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 1.0}),
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"range_end": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0}),
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},
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"optional": {
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"reference_images": ("REFERENCE_IMAGE",),
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},
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}
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CATEGORY = "external_tooling"
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RETURN_TYPES = ("REFERENCE_IMAGE",)
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RETURN_NAMES = ("reference_images",)
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FUNCTION = "append"
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def append(
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self,
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image: torch.Tensor,
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weight: float,
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range_start: float,
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range_end: float,
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reference_images: list[_ReferenceImageData] | None = None,
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):
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imgs = copy(reference_images) if reference_images is not None else []
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imgs.append(_ReferenceImageData(image, weight, (range_start, range_end)))
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return (imgs,)
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class ApplyReferenceImages:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"conditioning": ("CONDITIONING",),
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"clip_vision": ("CLIP_VISION",),
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"style_model": ("STYLE_MODEL",),
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"references": ("REFERENCE_IMAGE",),
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}
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}
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CATEGORY = "external_tooling"
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RETURN_TYPES = ("CONDITIONING",)
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FUNCTION = "apply"
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def apply(
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self,
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conditioning: list[list],
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clip_vision: ClipVisionModel,
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style_model: StyleModel,
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references: list[_ReferenceImageData],
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):
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delimiters = {0.0, 1.0}
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delimiters |= set(r.range[0] for r in references)
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delimiters |= set(r.range[1] for r in references)
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delimiters = sorted(delimiters)
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ranges = [(delimiters[i], delimiters[i + 1]) for i in range(len(delimiters) - 1)]
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embeds = [_encode_image(r.image, clip_vision, style_model, r.weight) for r in references]
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base = conditioning[0][0]
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result = []
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for start, end in ranges:
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e = [
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embeds[i]
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for i, r in enumerate(references)
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if r.range[0] <= start and r.range[1] >= end
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]
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options = conditioning[0][1].copy()
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options["start_percent"] = start
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options["end_percent"] = end
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result.append((torch.cat([base] + e, dim=1), options))
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return (result,)
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def _encode_image(
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image: torch.Tensor, clip_vision: ClipVisionModel, style_model: StyleModel, weight: float
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):
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e = clip_vision.encode_image(image)
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e = style_model.get_cond(e).flatten(start_dim=0, end_dim=1).unsqueeze(dim=0)
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e = _downsample_image_cond(e, weight)
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return e
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def _downsample_image_cond(cond: torch.Tensor, weight: float):
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if weight >= 1.0:
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return cond
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elif weight <= 0.0:
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return torch.zeros_like(cond)
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elif weight >= 0.6:
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factor = 2
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elif weight >= 0.3:
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factor = 3
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else:
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factor = 4
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# Downsample the clip vision embedding to make it smaller, resulting in less impact
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# compared to other conditioning.
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# See https://github.com/kaibioinfo/ComfyUI_AdvancedRefluxControl
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(b, t, h) = cond.shape
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m = int(np.sqrt(t))
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cond = F.interpolate(
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cond.view(b, m, m, h).transpose(1, -1),
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size=(m // factor, m // factor),
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mode="area",
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)
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return cond.transpose(1, -1).reshape(b, -1, h)
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