Module: Locomotive::Steam::Liquid::Filters::Resize

Defined in:
lib/locomotive/steam/liquid/filters/resize.rb

Instance Method Summary collapse

Instance Method Details

#resize(input, resize_string, *args) ⇒ Object

Optional args include:

quality: <number> compress image
auto_orient: <true|false> fix EXIF orientation issues
strip: <true|false> remove extra possibly unnecessary metadata
progressive: <true|false> make JPEG progressive
optimize: <number> shortcut to quality: and also applies strip and progressive
filters: <string> access to any ImageMagick arguments



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# File 'lib/locomotive/steam/liquid/filters/resize.rb', line 14

def resize(input, resize_string, *args)
  args ||= {}
  options = []

  args.flatten.each do |arg|
    arg.each do |k, v|
      options << case k.to_sym
      when :quality
        "-quality #{v}"
      when :optimize # Shortcut helper to set quality, progressive and strip
        "-quality #{v} -strip -interlace Plane"
      when :auto_orient
        "-auto-orient" if v
      when :strip
        "-strip" if v
      when :progressive
        "-interlace Plane" if v
      when :filters
        v
      else
        next
      end
    end
  end

  @context.registers[:services].image_resizer.resize(input, resize_string, options.join(' '))
end