import diffusers from diffusers.utils import load_image from diffusers.models import ControlNetModel import os import cv2 import torch import numpy as np from PIL import Image import folder_paths from huggingface_hub import hf_hub_download from insightface.app import FaceAnalysis from .pipeline_stable_diffusion_xl_instantid import StableDiffusionXLInstantIDPipeline, draw_kps device = "cuda" if torch.cuda.is_available() else "cpu" def resize_img(input_image, max_side=1280, min_side=1024, size=None, pad_to_max_side=False, mode=Image.BILINEAR, base_pixel_number=64): image_np = (255. * input_image.cpu().numpy().squeeze()).clip(0, 255).astype(np.uint8) input_image = Image.fromarray(image_np) w, h = input_image.size if size is not None: w_resize_new, h_resize_new = size else: ratio = min_side / min(h, w) w, h = round(ratio*w), round(ratio*h) ratio = max_side / max(h, w) input_image = input_image.resize([round(ratio*w), round(ratio*h)], mode) w_resize_new = (round(ratio * w) // base_pixel_number) * base_pixel_number h_resize_new = (round(ratio * h) // base_pixel_number) * base_pixel_number input_image = input_image.resize([w_resize_new, h_resize_new], mode) if pad_to_max_side: res = np.ones([max_side, max_side, 3], dtype=np.uint8) * 255 offset_x = (max_side - w_resize_new) // 2 offset_y = (max_side - h_resize_new) // 2 res[offset_y:offset_y+h_resize_new, offset_x:offset_x+w_resize_new] = np.array(input_image) input_image = Image.fromarray(res) return input_image class InsightFaceLoader_Node_Zho: @classmethod def INPUT_TYPES(s): return { "required": { "insight_face_path": ("STRING", {"default": "enter path"}), "filename": ("STRING", {"default": "buffalo_l"}), "provider": (["CUDA", "CPU"], ), }, } RETURN_TYPES = ("INSIGHTFACE",) FUNCTION = "load_insight_face" CATEGORY = "📷InstantID" def load_insight_face(self, insight_face_path, filename, provider): insight_face = os.path.join(insight_face_path, filename) model = FaceAnalysis(name="buffalo_l", root=insight_face, providers=[provider + 'ExecutionProvider',]) model.prepare(ctx_id=0, det_size=(640, 640)) return (model,) class Ipadapter_instantidLoader_Node_Zho: def __init__(self): pass @classmethod def INPUT_TYPES(cls): return { "required": { "Ipadapter_instantid_path": ("STRING", {"default": "enter your path"}), "filename": ("STRING", {"default": "ip-adapter.bin"}), "pipe": ("MODEL",), } } RETURN_TYPES = ("MODEL",) FUNCTION = "load_ip_adapter_instantid" CATEGORY = "📷InstantID" def load_ip_adapter_instantid(self, pipe, Ipadapter_instantid_path, filename): # 使用hf_hub_download方法获取PhotoMaker文件的路径 face_adapter = os.path.join(Ipadapter_instantid_path, filename) # load adapter pipe.load_ip_adapter_instantid(face_adapter) return [pipe] class ControlNetLoader_local_Node_Zho: def __init__(self): pass @classmethod def INPUT_TYPES(cls): return { "required": { "controlnet_path": ("STRING", {"default": "enter your path"}), } } RETURN_TYPES = ("MODEL",) RETURN_NAMES = ("controlnet",) FUNCTION = "load_controlnet" CATEGORY = "📷InstantID" def load_controlnet(self, controlnet_path): controlnet = ControlNetModel.from_pretrained(controlnet_path, torch_dtype=torch.float16) return [controlnet] class BaseModelLoader_fromhub_Node_Zho: def __init__(self): pass @classmethod def INPUT_TYPES(cls): return { "required": { "base_model_path": ("STRING", {"default": "wangqixun/YamerMIX_v8"}), "controlnet": ("MODEL",) } } RETURN_TYPES = ("MODEL",) RETURN_NAMES = ("pipe",) FUNCTION = "load_model" CATEGORY = "📷InstantID" def load_model(self, base_model_path, controlnet): # Code to load the base model pipe = StableDiffusionXLInstantIDPipeline.from_pretrained( base_model_path, controlnet=controlnet, torch_dtype=torch.float16, local_dir="./checkpoints" ).to(device) return [pipe] class GenerationNode_Zho: def __init__(self): pass @classmethod def INPUT_TYPES(cls): return { "required": { "face_image": ("IMAGE",), "pipe": ("MODEL",), "insightface": ("INSIGHTFACE",), "prompt": ("STRING", {"default": "film noir style, ink sketch|vector, male man, highly detailed, sharp focus, ultra sharpness, monochrome, high contrast, dramatic shadows, 1940s style, mysterious, cinematic", "multiline": True}), "negative_prompt": ("STRING", {"default": "ugly, deformed, noisy, blurry, low contrast, realism, photorealistic, vibrant, colorful", "multiline": True}), "batch_size": ("INT", {"default": 1, "min": 1, "max": 4, "display": "slider"}), "ip_adapter_scale": ("FLOAT", {"default": 0.8, "min": 0, "max": 1.0, "display": "slider"}), "controlnet_conditioning_scale": ("FLOAT", {"default": 0.8, "min": 0, "max": 1.0, "display": "slider"}), "steps": ("INT", {"default": 50, "min": 1, "max": 100, "step": 1, "display": "slider"}), "guidance_scale": ("FLOAT", {"default": 5, "min": 0, "max": 10, "display": "slider"}), "width": ("INT", {"default": 1024, "min": 512, "max": 2048, "step": 32, "display": "slider"}), "height": ("INT", {"default": 1024, "min": 512, "max": 2048, "step": 32, "display": "slider"}), "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}), } } RETURN_TYPES = ("IMAGE",) FUNCTION = "generate_image" CATEGORY = "📷InstantID" def generate_image(self, insightface, prompt, negative_prompt, face_image, pipe, batch_size, ip_adapter_scale, controlnet_conditioning_scale, steps, guidance_scale, width, height, seed): face_image = resize_img(face_image) # prepare face emb face_info = insightface.get(cv2.cvtColor(np.array(face_image), cv2.COLOR_RGB2BGR)) if not face_info: return "No face detected" face_info = sorted(face_info, key=lambda x: (x['bbox'][2] - x['bbox'][0]) * (x['bbox'][3] - x['bbox'][1]))[-1] face_emb = face_info['embedding'] face_kps = draw_kps(face_image, face_info['kps']) generator = torch.Generator(device=device).manual_seed(seed) pipe.set_ip_adapter_scale(ip_adapter_scale) output = pipe( prompt=prompt, negative_prompt=negative_prompt, num_images_per_prompt=batch_size, image_embeds=face_emb, image=face_kps, controlnet_conditioning_scale=controlnet_conditioning_scale, num_inference_steps=steps, generator=generator, guidance_scale=guidance_scale, width=width, height=height, return_dict=False ) # 检查输出类型并相应处理 if isinstance(output, tuple): # 当返回的是元组时,第一个元素是图像列表 images_list = output[0] else: # 如果返回的是 StableDiffusionXLPipelineOutput,需要从中提取图像 images_list = output.images # 转换图像为 torch.Tensor,并调整维度顺序为 NHWC images_tensors = [] for img in images_list: # 将 PIL.Image 转换为 numpy.ndarray img_array = np.array(img) # 转换 numpy.ndarray 为 torch.Tensor img_tensor = torch.from_numpy(img_array).float() / 255. # 转换图像格式为 CHW (如果需要) if img_tensor.ndim == 3 and img_tensor.shape[-1] == 3: img_tensor = img_tensor.permute(2, 0, 1) # 添加批次维度并转换为 NHWC img_tensor = img_tensor.unsqueeze(0).permute(0, 2, 3, 1) images_tensors.append(img_tensor) if len(images_tensors) > 1: output_image = torch.cat(images_tensors, dim=0) else: output_image = images_tensors[0] return (output_image,) NODE_CLASS_MAPPINGS = { "InsightFaceLoader": InsightFaceLoader_Node_Zho, "ControlNetLoader_local": ControlNetLoader_local_Node_Zho, "BaseModelLoader_fromhub": BaseModelLoader_fromhub_Node_Zho, "Ipadapter_instantidLoader": Ipadapter_instantidLoader_Node_Zho, "GenerationNode": GenerationNode_Zho } NODE_DISPLAY_NAME_MAPPINGS = { "InsightFaceLoader": "📷InsightFace Loader", "ControlNetLoader_local": "📷ControlNet Loader local", "BaseModelLoader_fromhub": "📷Base Model Loader fromhub", "Ipadapter_instantidLoader": "📷Ipadapter_instantid Loader", "GenerationNode": "📷InstantID Generation" }