43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import numpy as np
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import json
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from PIL.PngImagePlugin import PngInfo
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from PIL import Image
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import base64
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from io import BytesIO
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class PreviewImage:
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@classmethod
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def INPUT_TYPES(s):
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return {"required":
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{"images": ("IMAGE", ), },
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"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
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}
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RETURN_TYPES = ()
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FUNCTION = "save_images"
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OUTPUT_NODE = True
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CATEGORY = "image"
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def save_images(self, images, prompt=None, extra_pnginfo=None):
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paths = list()
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for image in images:
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i = 255. * image.cpu().numpy()
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img = Image.fromarray(i.astype(np.uint8))
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metadata = PngInfo()
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if prompt is not None:
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metadata.add_text("prompt", json.dumps(prompt))
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if extra_pnginfo is not None:
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for x in extra_pnginfo:
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metadata.add_text(x, json.dumps(extra_pnginfo[x]))
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buffered = BytesIO()
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img.save(buffered, format="PNG", pnginfo=metadata, optimize=True)
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paths.append("data:image/png;base64," + base64.b64encode(buffered.getvalue()).decode('ascii'))
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return {"ui": {"images": paths}}
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NODE_CLASS_MAPPINGS = {
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"PreviewImage": PreviewImage,
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}
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