Accepts an open MiniMagick image instance, like what’s returned by
MiniMagick::Image.read(io), and performs the
transformations against it. The transformed image instance is then
returned.
# File activestorage/app/models/active_storage/variation.rb, line 56
def transform(image)
ActiveSupport::Notifications.instrument("transform.active_storage") do
transformations.each do |name, argument_or_subtransformations|
image.mogrify do |command|
if name.to_s == "combine_options"
argument_or_subtransformations.each do |subtransformation_name, subtransformation_argument|
pass_transform_argument(command, subtransformation_name, subtransformation_argument)
end
else
pass_transform_argument(command, name, argument_or_subtransformations)
end
end
end
end
end