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Fixes: #2404. Fix PIL DeprecationWarnings in pytest output (#2678)

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Dmytro Litvinov 2020-10-03 10:22:22 +03:00 committed by GitHub
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commit 5903948cf3
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1 changed files with 3 additions and 3 deletions
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digital_image_processing/change_contrast.py
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@ -11,18 +11,18 @@ flake8 : True
from PIL import Image from PIL import Image
def change_contrast(img: Image, level: float) -> Image: def change_contrast(img: Image, level: int) -> Image:
""" """
Function to change contrast Function to change contrast
""" """
factor = (259 * (level + 255)) / (255 * (259 - level)) factor = (259 * (level + 255)) / (255 * (259 - level))
def contrast(c: int) -> float: def contrast(c: int) -> int:
""" """
Fundamental Transformation/Operation that'll be performed on Fundamental Transformation/Operation that'll be performed on
every bit. every bit.
""" """
return 128 + factor * (c - 128) return int(128 + factor * (c - 128))
return img.point(contrast) return img.point(contrast)