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21 lines
637 B
Python
21 lines
637 B
Python
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# Image utils
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from io import BytesIO
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from PIL import Image
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def scale_dimension(width, height, long_edge):
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if width > height:
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ratio = long_edge * 1. / width
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else:
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ratio = long_edge * 1. / height
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return int(width * ratio), int(height * ratio)
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def resize_image(im, edge, format): # TODO move that into a utils file
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from django.core.files.base import ContentFile
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(w, h) = im.size
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(width, height) = scale_dimension(w, h, long_edge=edge)
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content = BytesIO()
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im.resize((width, height), Image.ANTIALIAS).save(fp=content, format=format, dpi=[72, 72])
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return ContentFile(content.getvalue())
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