TandoorRecipes/cookbook/helper/image_processing.py
MaxJa4 98711619ff
Create image_processing.py
Added central function to rescale and compress images for recipes (or in general).
Switched from previously used PNG format to 75% JPEG format for a 5-10x file size reduction with hardly any quality loss.
2021-06-08 22:39:45 +02:00

16 lines
534 B
Python

from PIL import Image
from io import BytesIO
def rescale_image(image_object, base_width=720):
img = Image.open(image_object)
icc_profile = img.info.get('icc_profile') # remember color profile to not mess up colors
width_percent = (base_width / float(img.size[0]))
height = int((float(img.size[1]) * float(width_percent)))
img = img.resize((base_width, height), Image.ANTIALIAS)
img_bytes = BytesIO()
img.save(img_bytes, 'JPEG', quality=75, optimize=True, icc_profile=icc_profile)
return img_bytes