openvinotoolkit/stable-diffusion-webui
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Merge pull request #7116 from vladmandic/api-image-format

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API should use same image format as specified in WebUI settings
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AUTOMATIC1111 2023-01-23 18:37:48 +03:00 committed by GitHub
commit 756a2c3c0f
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1 changed files with 24 additions and 10 deletions
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34
modules/api/api.py
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@ -22,6 +22,8 @@ from modules.sd_models import checkpoints_list, find_checkpoint_config
from modules.realesrgan_model import get_realesrgan_models
from modules import devices
from typing import List
import piexif
import piexif.helper
def upscaler_to_index(name: str):
try:
@ -56,18 +58,30 @@ def decode_base64_to_image(encoding):
def encode_pil_to_base64(image):
with io.BytesIO() as output_bytes:
# Copy any text-only metadata
use_metadata = False
metadata = PngImagePlugin.PngInfo()
for key, value in image.info.items():
if isinstance(key, str) and isinstance(value, str):
metadata.add_text(key, value)
use_metadata = True
if opts.samples_format.lower() == 'png':
use_metadata = False
metadata = PngImagePlugin.PngInfo()
for key, value in image.info.items():
if isinstance(key, str) and isinstance(value, str):
metadata.add_text(key, value)
use_metadata = True
image.save(output_bytes, format="PNG", pnginfo=(metadata if use_metadata else None), quality=opts.jpeg_quality)
elif opts.samples_format.lower() in ("jpg", "jpeg", "webp"):
parameters = image.info.get('parameters', None)
exif_bytes = piexif.dump({
"Exif": { piexif.ExifIFD.UserComment: piexif.helper.UserComment.dump(parameters or "", encoding="unicode") }
})
if opts.samples_format.lower() in ("jpg", "jpeg"):
image.save(output_bytes, format="JPEG", exif = exif_bytes, quality=opts.jpeg_quality)
else:
image.save(output_bytes, format="WEBP", exif = exif_bytes, quality=opts.jpeg_quality)
else:
raise HTTPException(status_code=500, detail="Invalid image format")
image.save(
output_bytes, "PNG", pnginfo=(metadata if use_metadata else None)
)
bytes_data = output_bytes.getvalue()
return base64.b64encode(bytes_data)
def api_middleware(app: FastAPI):