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@mariovisic
Created May 11, 2011 05:39
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# app/uploaders/avatar_uploader.rb
process :fix_exif_rotation
process :strip
process :resize_to_fill => [1024, 768]
process :quality => 90 # Percentage from 0 - 100
# config/initializers/carrierwave_initializer.rb
module CarrierWave
module RMagick
# Rotates the image based on the EXIF Orientation
def fix_exif_rotation
manipulate! do |img|
img.auto_orient!
img = yield(img) if block_given?
img
end
end
# Strips out all embedded information from the image
def strip
manipulate! do |img|
img.strip!
img = yield(img) if block_given?
img
end
end
# Reduces the quality of the image to the percentage given
def quality(percentage)
manipulate! do |img|
img.write(current_path){ self.quality = percentage }
img = yield(img) if block_given?
img
end
end
end
end
@ahx
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ahx commented Jan 11, 2013

I noted that when using #strip! some images with exotic color profiles got a bit darker.

@PikachuEXE
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Is there a version for MiniMagick? :)

@sunny0425
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Really cool! for MiniMagick, should change the auto_orient! to auto_orient

@phillbaker
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FYI, how to do this in just an uploader class: http://stackoverflow.com/a/4767021

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