module RetinaRails::Processors::CarrierWave
Public Instance Methods
retina_quality(percentage) { |img| ... }
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Process retina quality of the image. Works with ImageMagick and MiniMagick
Parameters¶ ↑
- percentage (Int)
-
quality in percentage
# File lib/retina_rails/processors/carrierwave.rb, line 35 def retina_quality(percentage) manipulate! do |img| if defined?(Magick) img.write(current_path) { self.quality = percentage } unless img.quality == percentage elsif defined?(MiniMagick) img.quality(percentage.to_s) end img = yield(img) if block_given? img end end
store_retina_dimensions()
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Stores the original dimensions of the image as a serialized Hash in to the model
# File lib/retina_rails/processors/carrierwave.rb, line 10 def store_retina_dimensions if model width, height = `identify -format "%wx%h" '#{file.path}'`.split(/x/) ## Read dimensions ## Set original height and width attributes on model model.retina_dimensions = (model.retina_dimensions || {}).deep_merge!( mounted_as => { version_name => { :width => width.to_i / 2, :height => height.to_i / 2 } } ) end end