Files
2025-11-10 23:39:17 -08:00

149 lines
4.6 KiB
Python

"""
ComfyUI Preview Image Node (Standalone)
Author: eddy
Description: Standalone version of ComfyUI's PreviewImage node
"""
import os
import json
import random
import numpy as np
from PIL import Image
from PIL.PngImagePlugin import PngInfo
try:
import folder_paths
FOLDER_PATHS_AVAILABLE = True
except ImportError:
FOLDER_PATHS_AVAILABLE = False
import tempfile
class folder_paths:
@staticmethod
def get_temp_directory():
return tempfile.gettempdir()
@staticmethod
def get_output_directory():
return os.path.join(os.path.dirname(__file__), "output")
@staticmethod
def get_save_image_path(filename_prefix, output_dir, width, height):
counter = 1
os.makedirs(output_dir, exist_ok=True)
return output_dir, filename_prefix, counter, "", filename_prefix
try:
from comfy.cli_args import args
except ImportError:
class args:
disable_metadata = False
class SaveImage:
"""
Base class for saving images
"""
def __init__(self):
self.output_dir = folder_paths.get_output_directory() if FOLDER_PATHS_AVAILABLE else "./output"
self.type = "output"
self.prefix_append = ""
self.compress_level = 4
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"images": ("IMAGE", {"tooltip": "The images to save."}),
"filename_prefix": ("STRING", {
"default": "ComfyUI",
"tooltip": "The prefix for the file to save."
})
},
"hidden": {
"prompt": "PROMPT",
"extra_pnginfo": "EXTRA_PNGINFO"
},
}
RETURN_TYPES = ("IMAGE",)
RETURN_NAMES = ("images",)
FUNCTION = "save_images"
OUTPUT_NODE = True
CATEGORY = "image"
DESCRIPTION = "Saves the input images to your ComfyUI output directory."
def save_images(self, images, filename_prefix="ComfyUI", prompt=None, extra_pnginfo=None):
filename_prefix += self.prefix_append
full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path(
filename_prefix, self.output_dir, images[0].shape[1], images[0].shape[0]
)
results = list()
for (batch_number, image) in enumerate(images):
i = 255. * image.cpu().numpy()
img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
metadata = None
if not args.disable_metadata:
metadata = PngInfo()
if prompt is not None:
metadata.add_text("prompt", json.dumps(prompt))
if extra_pnginfo is not None:
for x in extra_pnginfo:
metadata.add_text(x, json.dumps(extra_pnginfo[x]))
filename_with_batch_num = filename.replace("%batch_num%", str(batch_number))
file = f"{filename_with_batch_num}_{counter:05}_.png"
img.save(os.path.join(full_output_folder, file), pnginfo=metadata, compress_level=self.compress_level)
results.append({
"filename": file,
"subfolder": subfolder,
"type": self.type
})
counter += 1
return {"ui": {"images": results}, "result": (images,)}
class PreviewImage(SaveImage):
"""
Standalone PreviewImage node
Displays images in the UI without saving to output directory
"""
def __init__(self):
self.output_dir = folder_paths.get_temp_directory() if FOLDER_PATHS_AVAILABLE else tempfile.gettempdir()
self.type = "temp"
self.prefix_append = "_temp_" + ''.join(random.choice("abcdefghijklmnopqrstupvxyz") for x in range(5))
self.compress_level = 1
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"images": ("IMAGE", {"tooltip": "The images to preview in the UI"}),
},
"hidden": {
"prompt": "PROMPT",
"extra_pnginfo": "EXTRA_PNGINFO"
},
}
RETURN_TYPES = ("IMAGE",)
RETURN_NAMES = ("images",)
FUNCTION = "save_images"
OUTPUT_NODE = True
CATEGORY = "image"
DESCRIPTION = "Preview images in the ComfyUI interface. Images are saved to temp directory and displayed in the node."
NODE_CLASS_MAPPINGS = {
"PreviewImageStandalone": PreviewImage,
"SaveImageStandalone": SaveImage,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"PreviewImageStandalone": "Preview Image (Standalone)",
"SaveImageStandalone": "Save Image (Standalone)",
}