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fixed png scaling algortihm

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This commit is contained in:
vabene1111 2021-11-09 17:59:31 +01:00
parent f346022d8b
commit 9ae076e426
1 changed files with 4 additions and 1 deletions
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5
cookbook/helper/image_processing.py
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@ -19,13 +19,14 @@ def rescale_image_jpeg(image_object, base_width=1020):
def rescale_image_png(image_object, base_width=1020): def rescale_image_png(image_object, base_width=1020):
image_object = Image.open(image_object)
wpercent = (base_width / float(image_object.size[0])) wpercent = (base_width / float(image_object.size[0]))
hsize = int((float(image_object.size[1]) * float(wpercent))) hsize = int((float(image_object.size[1]) * float(wpercent)))
img = image_object.resize((base_width, hsize), Image.ANTIALIAS) img = image_object.resize((base_width, hsize), Image.ANTIALIAS)
im_io = BytesIO() im_io = BytesIO()
img.save(im_io, 'PNG', quality=90) img.save(im_io, 'PNG', quality=90)
return img return im_io
def get_filetype(name): def get_filetype(name):
@ -35,6 +36,8 @@ def get_filetype(name):
return '.jpeg' return '.jpeg'
# TODO this whole file needs proper documentation, refactoring, and testing
# TODO also add env variable to define which images sizes should be compressed
def handle_image(request, image_object, filetype='.jpeg'): def handle_image(request, image_object, filetype='.jpeg'):
if (image_object.size / 1000) > 500: # if larger than 500 kb compress if (image_object.size / 1000) > 500: # if larger than 500 kb compress
if filetype == '.jpeg' or filetype == '.jpg': if filetype == '.jpeg' or filetype == '.jpg':