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feat(backend): add image_to_dataURL util

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This commit is contained in:
psychedelicious 2023-03-15 23:46:35 +11:00
parent c341dcaa3d
commit fb30b7d17a
1 changed files with 16 additions and 0 deletions
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16
invokeai/backend/util/util.py
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@ -3,6 +3,9 @@ import math
import multiprocessing as mp
import os
import re
import io
import base64
from collections import abc
from inspect import isfunction
from pathlib import Path
@ -364,3 +367,16 @@ def url_attachment_name(url: str) -> dict:
def download_with_progress_bar(url: str, dest: Path) -> bool:
result = download_with_resume(url, dest, access_token=None)
return result is not None
def image_to_dataURL(image: Image.Image, image_format: str = "PNG") -> str:
"""
Converts an image into a base64 image dataURL.
"""
buffered = io.BytesIO()
image.save(buffered, format=image_format)
mime_type = Image.MIME.get(image_format.upper(), "image/" + image_format.lower())
image_base64 = f"data:{mime_type};base64," + base64.b64encode(
buffered.getvalue()
).decode("UTF-8")
return image_base64