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Add --scaling option to override the scaling algorithm used when generating ratios #227

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Add --scaling option to override the scaling algorithm used when generating ratios #227

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10 changes: 8 additions & 2 deletions glue/formats/img.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,12 @@ def populate_argument_parser(cls, parser):
default=os.environ.get('GLUE_RATIOS', '1'),
help="Create sprites based on these ratios")

group.add_argument("--scaling",
dest="scaling",
type=int,
default=1,
help="Change the scaling algorithm for ratios")

group.add_argument("--retina",
dest="ratios",
default=os.environ.get('GLUE_RETINA', False),
Expand Down Expand Up @@ -136,11 +142,11 @@ def save(self, ratio):

# If this canvas isn't the biggest one scale it using the ratio
if self.sprite.max_ratio != ratio:

reduced_canvas = canvas.resize(
(round_up((width / self.sprite.max_ratio) * ratio),
round_up((height / self.sprite.max_ratio) * ratio)),
PILImage.ANTIALIAS)
self.sprite.config['scaling'])
reduced_canvas.save(image_path, **kwargs)
# TODO: Use Imagemagick if it's available
else:
Expand Down