98711619ff
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.
16 lines
534 B
Python
16 lines
534 B
Python
from PIL import Image
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from io import BytesIO
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def rescale_image(image_object, base_width=720):
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img = Image.open(image_object)
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icc_profile = img.info.get('icc_profile') # remember color profile to not mess up colors
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width_percent = (base_width / float(img.size[0]))
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height = int((float(img.size[1]) * float(width_percent)))
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img = img.resize((base_width, height), Image.ANTIALIAS)
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img_bytes = BytesIO()
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img.save(img_bytes, 'JPEG', quality=75, optimize=True, icc_profile=icc_profile)
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return img_bytes
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